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Audit Complete

Results for https://sfgate.com

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Spain Spain · Madrid Completed: Apr 21, 2026 19:18 UTC
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Mobile 375 × 812

Screenshot of the audited page (Mobile 375×812)

Desktop 1440 × 900

Screenshot of the audited page (Desktop 1440×900)
D68

Site Health

Score: 68 / 100

Based on 8 categories, 0 sections

Room to improve — your 28.6s load time is above Google's 2.5s 'Good' threshold.

Good foundation, but a few gaps could be exploited.

Several issues make your site difficult for assistive technology users.

Solid SEO basics — a few optimizations could boost rankings.

Good server performance with room for optimization.

Mostly compliant — a few items need attention.

Missing metadata means poor previews on social media and search.

Heavier than average — reducing page weight saves energy and bandwidth.

How is this calculated?

The overall score is a weighted average of individual category scores. Categories with more impact on user experience and security carry more weight.

Performance 25%Security 25%Accessibility 15%SEO 10%Infrastructure 10%Compliance 8%Content 5%Sustainability 2%

Weights reflect general web best practices. Individual needs may differ.

How the composite score is calculated

How you compare

Facebook · 1367 peers
You 68
·
Avg 72
At average
0 50 100
Better than 4% of Facebook sites See full Facebook benchmark →
Google Search Console · 3592 peers
You 68
·
Avg 73
At average
0 50 100
Better than 3% of Google Search Console sites See full Google Search Console benchmark →

Top Priorities (5)

1

Content-Security-Policy header is missing

Security gaps expose your site and users to attacks, eroding trust.

Security › Security Headers
2

HSTS header is missing

Security gaps expose your site and users to attacks, eroding trust.

Security › Security Headers
3

No Content-Security-Policy header found

Security gaps expose your site and users to attacks, eroding trust.

Security › Content Security Policy
4

Page weighs 34.5 MB (8.7 MB transferred)

Performance issues directly impact user engagement and conversion rates.

Performance › Page Weight Budget
5

No <main> landmark found

Accessibility issues exclude users with disabilities — up to 15% of your potential audience.

Accessibility › Landmark Structure
View fix priority matrix

Fix Priority Matrix

5 findings

Quick Wins

3

High impact, low effort — start here.

Strategic

2

High impact, requires investment.

Easy Improvements

0

Small gains, minimal effort.

Nothing in this quadrant — good news.

Deprioritize

0

Low impact, high effort — do last.

Nothing in this quadrant — good news.

← Low effort High effort →
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What fixing these means

Your site has several issues that may be affecting user experience and business outcomes. Your LCP of 28.6s exceeds Google's 2.5s 'Good' threshold and the 1 performance issue below directly contributes to it. Accessibility issues exclude users who rely on assistive technology — an estimated 15% of your potential audience. Addressing the critical issues below would have the most immediate impact on your user trust.

3 security gaps detected — browsers may warn visitors about your site.
Your LCP is 28.6s — fixing the 1 performance critical could bring it under Google's 2.5s 'Good' threshold.
1 accessibility issue excludes users who rely on assistive technology.
C
Could reach Estimate based on resolving critical issues

Conversion Barriers

2 critical 7 warning

9 barrier(s) likely increasing bounce by ~31%.

Speed (2)

Page takes 28.6s to load

+12% bounce

Users abandon at ~3s — you're 26.1s over the 2.5s threshold

Fix: Optimize render-blocking resources, preload the hero image, and compress images

Page feels frozen for 7.9s

+5% bounce

Clicks on the primary CTA are ignored while JavaScript runs

Fix: Break up long tasks; defer non-critical JavaScript to post-hydration

Trust (2)

No HSTS header

+1% bounce

Returning visitors are briefly exposed to downgrade attacks on first request

Fix: Set Strict-Transport-Security: max-age=31536000; includeSubDomains

No Content-Security-Policy header

+1% bounce

Higher XSS blast radius — one compromised script can exfiltrate the checkout form

Fix: Ship a reporting-only CSP first, then enforce once violations are clean

Content (3)

No Open Graph tags

+2% bounce

Links shared on LinkedIn / Slack / Facebook show bare URLs — referral clicks drop

Fix: Add og:title, og:description, og:image, og:url to the page head

No structured data

+2% bounce

No rich-result eligibility in Google — lower SERP CTR vs competitors with stars and prices

Fix: Add JSON-LD for your page type (Product, Article, FAQPage, LocalBusiness, …)

Thin content

+3% bounce

Under 300 words — visitors bounce looking for substance, search engines rank competitors first

Fix: Add a substantive FAQ, product detail, or case-study section

Navigation (2)

No skip-to-content link

+1% bounce

Keyboard and screen-reader users must tab through the entire header on every page

Fix: Add a visible-on-focus <a href="#main">Skip to content</a> as the first focusable element

1 broken link(s) on the page

+2% bounce

Clicks land on 404s — trust drops and the session often ends

Fix: Fix or remove the broken destinations surfaced on the Content tab

Preliminary CRO audit — each barrier links to the tab with detailed analysis.

Return on Investment

$500 investment → $2.20/month returns + USD 157,500 risk avoided

Payback period: > 2 years First-year ROI: -95%

Investment

$500

5h · 5 findings

Monthly returns

$2.20 /mo

~$26 / year

  • Bandwidth savings $2.20

Regulatory risk avoided

USD 157,500

if kept compliant

  • ADA Title III USD 150,000
  • CCPA/CPRA USD 7,500

$150 — in quick wins — start here for the fastest payback

Figures combine localized regulatory fine ceilings, search/conversion value priced against local CPC, and bandwidth waste estimates. Results depend on implementation quality and audience composition. Not legal or financial advice.

Full methodology & sources

Estimated Remediation Cost

$500

5.0 developer hours at $100/hr

Based on United States rates ($100/hr)

Quick wins
$150 3 fixes in ~90 minutes

Start here for the best return on investment

Cost by category

Cost by effort level

Adjust assumptions
$ /hr

Rates reflect fully-loaded developer cost including overhead

How developer rates are sourced

What Inaction Is Costing You

$13,127 / month at risk

~$157,526 / year if left unfixed

Compliance Risk

$157,500

ADA Title IIICCPA/CPRA
  • No privacy policy link detected
    CCPA/CPRA: USD 2,500 – USD 7,500
  • Trackers detected but no cookie policy found
    CCPA/CPRA: USD 2,500 – USD 7,500
  • Trackers detected but no privacy policy found
    CCPA/CPRA: USD 2,500 – USD 7,500

+5 more

Bandwidth Waste

$2.20 /mo

27460.9 MB/mo × 0.080 USD/GB

  • Optimize transfer: save ~2.7 MB per page load
    Saves $2.20/mo

Compliance figures represent the statutory maximum fine for the most severe triggered category, capped per regulation — not the sum of per-finding penalties. Based on published regulatory fine ranges. This is not legal advice.

Compliance methodology · SEO assumptions · Bandwidth model

Your performance is already good — improvements may show diminishing returns

Unique monthly visitors from your analytics

Purchases, signups, or key actions

Optional — for revenue estimation

additional conversions/month

more engaged visitors from reduced bounce

potential monthly revenue
Current bounce (est.)
After fixes (est.)
Estimated bounce reduction

Fix 5 critical issues to capture this value

How this is calculated

Based on Google/Deloitte research ("Milliseconds Make Millions") showing a ~7% bounce rate increase per additional second of LCP above the 2.5s "Good" threshold.

Your site's LCP: → estimated after fixes.

These are estimates based on industry research — actual results vary

Bounce-rate model & assumptions

Your data stays in your browser — nothing is sent to our servers

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Lighthouse Scores

Industry-standard audits powered by Google Lighthouse.

25
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
100
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
69
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
92
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

Core Web Vitals

Key metrics that affect user experience.

First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.

5.12 s

Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.

28.59 s

Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.

7.89 s

Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.

0.076

Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.

29.21 s

Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.

55.85 s

Detailed Report

Audit breakdown by category with detailed findings.

25

Performance

Insights

Remove large, duplicate JavaScript modules from bundles to reduce unnecessary bytes consumed by network activity.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Polyfills and transforms enable older browsers to use new JavaScript features. However, many aren't necessary for modern browsers. Consider modifying your JavaScript build process to not transpile Baseline features, unless you know you must support older browsers. Learn why most sites can deploy ES6+ code without transpiling

Why this matters

Shipping ES5 transpiled code to modern browsers wastes bytes — every user with an evergreen browser pays for compatibility you don't need.

Learn more

Most users today run browsers that natively support ES6+, async/await, optional chaining, and the rest of modern JavaScript. Transpiling to ES5 'just in case' adds 20-40% to your bundle for no benefit. Configure your build to target a modern browserslist, or ship a differential bundle pair (modern + legacy) with the module/nomodule pattern.

Source: Google web.dev / Lighthouse

3rd party code can significantly impact load performance. Reduce and defer loading of 3rd party code to prioritize your page's content.

Why this matters

Performance issues directly impact user engagement and conversion rates.

A long cache lifetime can speed up repeat visits to your page. Learn more about caching.

Why this matters

Performance issues directly impact user engagement and conversion rates.

RequestCache TTLTransfer Size
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s.ntv.io/serve/load.js3600.0 s251.1 KiB
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/content/playlist_dacb1748-b7f8-4251-8792-66ca43766825_0a...0.0 ms100.3 KiB
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connect.facebook.net/en_US/fbevents.js1200.0 s96.6 KiB
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assets.revcontent.com/master/delivery.js60.0 s53.0 KiB
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ak.sail-horizon.com/spm/spm.v1.min.js600.0 s48.1 KiB
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b-code.liadm.com/b-028s.min.js86400.0 s45.6 KiB
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/covers/artl_JK62Ls0w47K/369c12b2-38aa-478c-a922-3e419bb6...0.0 ms10.0 KiB
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eus.rubiconproject.com/usync.js28743.0 s11.5 KiB
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www.sfgate.com/_next/static/chunks/8917.e3db85fc168d1dcd.js604800.0 s666 B
www.sfgate.com/_next/static/chunks/pages/index-c42f63495c23e3b5.js604800.0 s529 B
www.sfgate.com/_next/static/chunks/389.574289dcc3f73966.js604800.0 s504 B
www.sfgate.com/_next/static/chunks/5870.54adb46cc3e5abb2.js604800.0 s385 B
/tr/?id=148552522660220&ev=PageView&dl=https%3A%2F%2Fwww....0.0 ms19 B
/tr/?id=169188807166631&ev=PageView&dl=https%3A%2F%2Fwww....0.0 ms16 B
/covers/artl_JK62Ls0w47K/369c12b2-38aa-478c-a922-3e419bb6...0.0 ms0 B
/covers/artl_JK62Ls0w47K/369c12b2-38aa-478c-a922-3e419bb6...0.0 ms0 B
/covers/artl_6PGkeHoYWbP/903de822-1ca1-4ebf-aa28-a6ff19cb...0.0 ms0 B
/covers/artl_6PGkeHoYWbP/903de822-1ca1-4ebf-aa28-a6ff19cb...0.0 ms0 B
/covers/artl_6PGkeHoYWbP/903de822-1ca1-4ebf-aa28-a6ff19cb...0.0 ms0 B
/covers/artl_zPrG2cojYAQ/9cfa9ed6-d345-4d27-a786-6dadcf68...0.0 ms0 B
/covers/artl_zPrG2cojYAQ/9cfa9ed6-d345-4d27-a786-6dadcf68...0.0 ms0 B
/covers/artl_ya2V7sMLbla/0d161a6a-0094-4368-963a-566a4020...0.0 ms0 B
/covers/artl_ya2V7sMLbla/0d161a6a-0094-4368-963a-566a4020...0.0 ms0 B
/covers/artl_ya2V7sMLbla/0d161a6a-0094-4368-963a-566a4020...0.0 ms0 B
cdn.everlit.audio/themes/pbls_72eywgtpWkj/fonts/Sora.ttf0.0 ms0 B
cdn.everlit.audio/themes/pbls_72eywgtpWkj/fonts/Sora.ttf0.0 ms0 B
cdn.everlit.audio/themes/pbls_72eywgtpWkj/fonts/Sora.ttf0.0 ms0 B
/covers/artl_nP9zWiOv54Q/68d8947e-bd30-4dc5-88ab-eef92a7c...0.0 ms0 B
/covers/artl_nP9zWiOv54Q/68d8947e-bd30-4dc5-88ab-eef92a7c...0.0 ms0 B
/covers/artl_nP9zWiOv54Q/68d8947e-bd30-4dc5-88ab-eef92a7c...0.0 ms0 B
/covers/artl_6PGkeHoYWbP/903de822-1ca1-4ebf-aa28-a6ff19cb...0.0 ms0 B
/covers/artl_6PGkeHoYWbP/903de822-1ca1-4ebf-aa28-a6ff19cb...0.0 ms0 B
/covers/artl_6PGkeHoYWbP/903de822-1ca1-4ebf-aa28-a6ff19cb...0.0 ms0 B
/covers/artl_1Kxw7fnE7wQ/52ce0408-56cb-48db-bd58-ff749af4...0.0 ms0 B
/covers/artl_1Kxw7fnE7wQ/52ce0408-56cb-48db-bd58-ff749af4...0.0 ms0 B
/covers/artl_1Kxw7fnE7wQ/52ce0408-56cb-48db-bd58-ff749af4...0.0 ms0 B
/covers/artl_JK62Ls0w47K/369c12b2-38aa-478c-a922-3e419bb6...0.0 ms0 B
/covers/artl_JK62Ls0w47K/369c12b2-38aa-478c-a922-3e419bb6...0.0 ms0 B
/covers/artl_JK62Ls0w47K/369c12b2-38aa-478c-a922-3e419bb6...0.0 ms0 B
/covers/artl_ya2V7sMLbla/0d161a6a-0094-4368-963a-566a4020...0.0 ms0 B
/covers/artl_ya2V7sMLbla/0d161a6a-0094-4368-963a-566a4020...0.0 ms0 B
/covers/artl_ya2V7sMLbla/0d161a6a-0094-4368-963a-566a4020...0.0 ms0 B
/covers/artl_1Pn5bC9jnqa/977d64c4-71ee-4e5a-a198-8813e90e...0.0 ms0 B
/covers/artl_1Pn5bC9jnqa/977d64c4-71ee-4e5a-a198-8813e90e...0.0 ms0 B
/covers/artl_1Pn5bC9jnqa/977d64c4-71ee-4e5a-a198-8813e90e...0.0 ms0 B
/covers/artl_9QemEukg9wQ/2915c6f6-914c-4201-ba9b-bb0569f7...0.0 ms0 B
/covers/artl_9QemEukg9wQ/2915c6f6-914c-4201-ba9b-bb0569f7...0.0 ms0 B
/covers/artl_9QemEukg9wQ/2915c6f6-914c-4201-ba9b-bb0569f7...0.0 ms0 B
/content/playlist_dacb1748-b7f8-4251-8792-66ca43766825_0a...0.0 ms0 B
/content/playlist_dacb1748-b7f8-4251-8792-66ca43766825_0a...0.0 ms0 B

Your first network request is the most important. Reduce its latency by avoiding redirects, ensuring a fast server response, and enabling text compression.

Why this matters

Performance issues directly impact user engagement and conversion rates.

A forced reflow occurs when JavaScript queries geometric properties (such as offsetWidth) after styles have been invalidated by a change to the DOM state. This can result in poor performance. Learn more about forced reflows and possible mitigations.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:source label:Source valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]
items: [map[reflowTime:36.351 source:map[type:text value:[unattributed]]]]

Reducing the download time of images can improve the perceived load time of the page and LCP. Learn more about optimizing image size

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLResource SizeEst Savings
cdn.playbuzz.com/logos/30b0aaf4-cc13-4972-9cf9-ad9a05e5e62d_1644758027515.png43.1 KiB43.1 KiB
/covers/artl_nP9zWiOv54Q/68d8947e-bd30-4dc5-88ab-eef92a7c...14.2 KiB13.2 KiB
Cross|word a > div.rel > picture > img.x100
/covers/artl_6PGkeHoYWbP/903de822-1ca1-4ebf-aa28-a6ff19cb...11.3 KiB10.4 KiB
Open since the '70s, this Calif. McDonald's has never served a single customer div.sm:col2 > div.f > div.f > h2.owa
/covers/artl_1Kxw7fnE7wQ/52ce0408-56cb-48db-bd58-ff749af4...11.1 KiB10.2 KiB
Really Bad Chess a > div.rel > picture > img.x100
/covers/artl_JK62Ls0w47K/369c12b2-38aa-478c-a922-3e419bb6...9.8 KiB8.8 KiB
body > div#__next > main.mnh100vh > div.y1px body > div#__next > main.mnh100vh > div.y1px
/covers/artl_ya2V7sMLbla/0d161a6a-0094-4368-963a-566a4020...9.7 KiB8.7 KiB
html html
/covers/artl_1Pn5bC9jnqa/977d64c4-71ee-4e5a-a198-8813e90e...9.0 KiB8.0 KiB
div.uiTextExtraSmall > a.f > svg.p0 > path#y div.uiTextExtraSmall > a.f > svg.p0 > path#y
/covers/artl_9QemEukg9wQ/2915c6f6-914c-4201-ba9b-bb0569f7...8.2 KiB7.2 KiB
A record marine heat wave simmers off California's coast right now div.sm:col2 > div.f > div.f > h2.owa
/covers/artl_VaRgzSoewbP/049a5a3e-d68b-4595-8635-ed3d56f2...7.8 KiB6.8 KiB
div > div.f > div.f > div.bg-gray300 div > div.f > div.f > div.bg-gray300
/covers/artl_zPrG2cojYAQ/9cfa9ed6-d345-4d27-a786-6dadcf68...7.5 KiB6.5 KiB
div.uiTextExtraSmall > a.f > svg.p0 > path div.uiTextExtraSmall > a.f > svg.p0 > path
/covers/artl_1Po8xtjoEWQ/bf8f57cb-b1fb-4c5d-8910-b1e05403...6.1 KiB5.1 KiB
The signature golden arches at the McDonald’s Production Studio in City of Indu… a > div.rel > picture > img.x100
s.hdnux.com/photos/01/66/01/56/30940045/3/ratio3x2_480.webp29.4 KiB4.4 KiB

Each subpart has specific improvement strategies. Ideally, most of the LCP time should be spent on loading the resources, not within delays.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:label label:Subpart valueType:text] map[key:duration label:Duration valueType:ms]]
items: [map[duration:332.2860009765625 label:Time to first byte subpart:timeToFirstByte] map[duration:24.6969990234375 label:Resource load delay subpart:resourceLoadDelay] map[duration:51.303 label:Resource load duration subpart:resourceLoadDuration] map[duration:2092.878 label:Element render delay subpart:elementRenderDelay]]
lhId: page-9-IMG
nodeLabel: The signature golden arches at the McDonald’s Production Studio in City of Indu…
path: 1,HTML,1,BODY,4,DIV,6,MAIN,4,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,A,0,DIV,0,PICTURE,11,IMG
selector: a > div.rel > picture > img.x100
snippet: <img alt="The signature golden arches at the McDonald’s Production Studio in City of…" loading="eager" srcset="https://s.hdnux.com/photos/01/66/01/56/30940045/3/ratio3x2_80.jpg 80w, htt…" sizes="(min-width: 1048px) 640px, (min-width: 768px) 67vw, 100vw" style="aspect-ratio:3 / 2" class="x100 y100 opc bgpc ofcv bgscv block bg-gray200 mnh0px fill">

Optimize LCP by making the LCP image discoverable from the HTML immediately, and avoiding lazy-loading

Why this matters

Performance issues directly impact user engagement and conversion rates.

lhId: page-9-IMG
nodeLabel: The signature golden arches at the McDonald’s Production Studio in City of Indu…
path: 1,HTML,1,BODY,4,DIV,6,MAIN,4,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,A,0,DIV,0,PICTURE,11,IMG
selector: a > div.rel > picture > img.x100
snippet: <img alt="The signature golden arches at the McDonald’s Production Studio in City of…" loading="eager" srcset="https://s.hdnux.com/photos/01/66/01/56/30940045/3/ratio3x2_80.jpg 80w, htt…" sizes="(min-width: 1048px) 640px, (min-width: 768px) 67vw, 100vw" style="aspect-ratio:3 / 2" class="x100 y100 opc bgpc ofcv bgscv block bg-gray200 mnh0px fill">

Avoid chaining critical requests by reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.

Why this matters

Performance issues directly impact user engagement and conversion rates.

description: [preconnect](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/) hints help the browser establish a connection earlier in the page load, saving time when the first request for that origin is made. The following are the origins that the page preconnected to.
title: Preconnected origins
description: Add [preconnect](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/) hints to your most important origins, but try to use no more than 4.
title: Preconnect candidates

These insights are also available in the Chrome DevTools Performance Panel - record a trace to view more detailed information.

Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric.

Why this matters

Performance issues directly impact user engagement and conversion rates.

TTI

The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more about the Maximum Potential First Input Delay metric.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Redirects introduce additional delays before the page can be loaded. Learn how to avoid page redirects.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 1.1 s
URLTime Spent
sfgate.com/1.1 s
www.sfgate.com/0.0 ms

Diagnostics

Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn how to reduce unused CSS.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 150 ms 40.0 KiB
URLTransfer SizeEst Savings
www.sfgate.com/_next/static/css/068ea46319039004.css23.8 KiB21.1 KiB
22.1 KiB18.8 KiB

Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn how to reduce unused JavaScript.

Why this matters

Multi-megabyte JavaScript bundles delay every interactive feature on the page.

Learn more

This is the Lighthouse audit fired when too much JS is shipped relative to what executes. The fix isn't a config flag — it requires bundle analysis (webpack-bundle-analyzer, rollup-plugin-visualizer), splitting routes into chunks, lazy-loading off-screen components, and removing unused dependencies. Fundamentally different from minification: minifying reduces byte count, this reduces what's downloaded at all.

Source: Google web.dev / Lighthouse

Estimated savings: 3.9 s 1.5 MiB
URLTransfer SizeEst Savings
s.ntv.io/serve/load.js250.4 KiB189.9 KiB
u927.sfgate.com/plugin/library/c639374ef06961b30d02cf0d29623622203.5 KiB160.6 KiB
/pagead/managed/js/gpt/m202604160201/pubads_impl.js187.7 KiB126.1 KiB
/assets/0xB4C31EFABC209F3B75CFCFA49DCB4058E3E91866/GetJS?...137.2 KiB92.6 KiB
cdn.ex.co/player/ap/4.230.0-947b4e1/player.js138.6 KiB91.7 KiB
cdn.ketchjs.com/ketchtag/stable/v2.12/ketch-sdk.js225.8 KiB89.1 KiB
www.googletagmanager.com/gtag/js?id=AW-&cx=c&gtm=4e64h1134.1 KiB80.4 KiB
www.googletagmanager.com/gtm.js?id=GTM-N799RG7S&gtm=4e64h1174.9 KiB66.8 KiB
www.googletagmanager.com/gtag/js?id=G-K75EXT0S8W&cx=c&gtm=4e64h1144.5 KiB59.4 KiB
player.ex.co/player/32f4762f-4754-45f5-b25d-0d762c9e2d43186.2 KiB54.6 KiB
www.googletagmanager.com/gtm.js?id=GTM-M34WSG8129.7 KiB53.9 KiB
www.googletagmanager.com/gtag/js?84.8 KiB52.6 KiB
u927.sfgate.com/plugin/plugin/db46d7aeff1612c61d56388bc25f43ed88.0 KiB47.6 KiB
htlbid.com/build/0fd9813f-2b50-45be-a75e-d55dea80d94d/hnpbid.js145.8 KiB42.5 KiB
c.amazon-adsystem.com/aax2/apstag.js90.5 KiB40.1 KiB
/hearstnewspapers-9rqIDoYfbw/_hearst-floors/prebid-load.js70.2 KiB36.3 KiB
connect.facebook.net/en_US/fbevents.js96.5 KiB36.0 KiB
ak.sail-horizon.com/spm/spm.v1.min.js47.7 KiB31.5 KiB
/signals/config/169188807166631?v=2.9.303&r=stable&domain...98.4 KiB27.0 KiB
sdk.mrf.io/statics/marfeel-sdk.js?id=965858.8 KiB25.7 KiB
d15kdpgjg3unno.cloudfront.net/oPS.js?cid=3159.8 KiB24.9 KiB
www.sfgate.com/_next/static/chunks/7787-e1f4fb6760aae2a2.js59.7 KiB23.5 KiB
/6af07a2d-d0d3-4dfd-961a-bab066126220-web.js225.7 KiB23.4 KiB
www.sfgate.com/_next/static/chunks/pages/_app-d6aa58070bba276d.js61.2 KiB22.6 KiB
plugins.blueconic.net/static/scripts/jquery/jquery-3.7.1-BC-v2.min.js29.7 KiB22.1 KiB
ml314.com/tag.aspx?21338.2 KiB20.5 KiB
www.sfgate.com/_next/static/chunks/371.d0b67b8267614a27.js22.1 KiB20.4 KiB
launchpad.privacymanager.io/latest/launchpad.bundle.js44.9 KiB20.1 KiB

Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to reduce Javascript execution time.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLTotal CPU TimeScript EvaluationScript Parse
www.sfgate.com/14.9 s2.8 s34 ms
d15kdpgjg3unno.cloudfront.net/oPS.js?cid=3113.9 s13.8 s14 ms
Unattributable5.6 s614 ms0.0 ms
www.sfgate.com/_next/static/chunks/framework-f80cd7bf984bdace.js3.7 s3.3 s20 ms
/experimentsexperience/render?siteId=9658&url=https%3A%2F...2.4 s1.9 s0.3 ms
u927.sfgate.com/script.js1.9 s1.7 s21 ms
s.ntv.io/serve/load.js1.6 s1.4 s71 ms
cdn.p-n.io/pushly-sdk.min.js?domain_key=7sYpqFDFzMOizvBGAbH0mnV5ou2zGIwMyuLT1.4 s1.3 s18 ms
htlbid.com/build/0fd9813f-2b50-45be-a75e-d55dea80d94d/hnpbid.js1.4 s1.3 s54 ms
js-agent.newrelic.com/nr-spa-1.313.1.min.js1.2 s868 ms9.4 ms
cdn.ketchjs.com/ketchtag/stable/v2.12/ketch-sdk.js1.1 s807 ms154 ms
sdk.mrf.io/statics/marfeel-sdk.js?id=9658953 ms902 ms1.2 ms
www.googletagmanager.com/gtm.js?id=GTM-N799RG7S&gtm=4e64h1856 ms794 ms43 ms
/6af07a2d-d0d3-4dfd-961a-bab066126220-web.js852 ms606 ms108 ms
player.ex.co/player/32f4762f-4754-45f5-b25d-0d762c9e2d43735 ms467 ms57 ms
/scripts/1cbbeea35302b334c17ec7de41048b19077c3452b8825fa3...702 ms661 ms38 ms
c.amazon-adsystem.com/aax2/apstag.js591 ms550 ms27 ms
assets.revcontent.com/master/delivery.js504 ms396 ms15 ms
www.googletagmanager.com/gtag/js?id=G-K75EXT0S8W&cx=c&gtm=4e64h1496 ms400 ms32 ms
www.googletagmanager.com/gtm.js?id=GTM-M34WSG8492 ms410 ms42 ms
/signals/config/169188807166631?v=2.9.303&r=stable&domain...382 ms348 ms29 ms
u927.sfgate.com/plugin/plugin/db46d7aeff1612c61d56388bc25f43ed376 ms310 ms35 ms
/pagead/managed/js/gpt/m202604160201/pubads_impl.js244 ms197 ms45 ms
/assets/0xB4C31EFABC209F3B75CFCFA49DCB4058E3E91866/GetJS?...196 ms161 ms35 ms
www.sfgate.com/_next/static/chunks/pages/_app-d6aa58070bba276d.js171 ms134 ms20 ms
www.sfgate.com/_next/static/chunks/pages/index-c42f63495c23e3b5.js162 ms161 ms0.3 ms
cdn.ex.co/player/ap/4.230.0-947b4e1/player.js155 ms89 ms65 ms
b-code.liadm.com/b-028s.min.js146 ms113 ms26 ms
/hearstnewspapers-9rqIDoYfbw/_hearst-floors/prebid-load.js138 ms109 ms27 ms
connect.facebook.net/en_US/fbevents.js132 ms103 ms28 ms
www.googletagmanager.com/gtag/js?id=AW-&cx=c&gtm=4e64h1131 ms107 ms24 ms
www.sfgate.com/_next/static/chunks/main-61f7121325b2456a.js108 ms95 ms12 ms
/v2/0/jbmtLz0jyBQItN43Nijh8-dvYbLsr_SVCvKL_jAtJQvTLPlhlF7...107 ms84 ms15 ms
/signals/config/148552522660220?v=2.9.303&r=stable&domain...98 ms78 ms18 ms
/t?ntv_mvi=&ntv_kv=section*home&ntv_url=https%253A%252F%2...93 ms89 ms1.4 ms
rumcdn.geoedge.be/papi.js84 ms65 ms2.1 ms
securepubads.g.doubleclick.net/tag/js/gpt.js81 ms72 ms8.5 ms
ak.sail-horizon.com/spm/spm.v1.min.js77 ms59 ms18 ms
hearst.blueconic.net/DG/DEFAULT/cs?&callback=bc_json58976 ms60 ms0.2 ms
assets.revcontent.com/master/defaultWidget~feedWidget.75645bdd.delivery.js75 ms6.1 ms3.5 ms
hearstnews.solutions.cdn.optable.co/public-assets/hearstnews-sdk.js74 ms65 ms6.5 ms
rumcdn.geoedge.be/f4515342-914a-4660-8983-02fa32e96219/grumi.js70 ms48 ms22 ms
u927.sfgate.com/plugin/library/c639374ef06961b30d02cf0d2962362266 ms2.8 ms58 ms
secure.cdn.fastclick.net/js/pubcid/latest/pubcid.min.js61 ms53 ms7.8 ms
www.googletagmanager.com/gtag/js?60 ms37 ms22 ms
assets.revcontent.com/master/brandWidget~feedWidget.75645bdd.delivery.js58 ms52 ms6.0 ms

Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to minimize main-thread work

Why this matters

Performance issues directly impact user engagement and conversion rates.

CategoryTime Spent
Script Evaluation38.0 s
Other12.2 s
Style & Layout3.2 s
Rendering2.3 s
Script Parsing & Compilation1.5 s
Parse HTML & CSS1.1 s
Garbage Collection1.1 s

Many navigations are performed by going back to a previous page, or forwards again. The back/forward cache (bfcache) can speed up these return navigations. Learn more about the bfcache

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failure reasonFailure type
The page has an unload handler in the main frame.Actionable

Minifying JavaScript files can reduce payload sizes and script parse time. Learn how to minify JavaScript.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Set an explicit width and height on image elements to reduce layout shifts and improve CLS. Learn how to set image dimensions

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL
Explore the winners of San Francisco Chronicle's 2026 wine competition a > div#HP-Sig-ChronFunds > div.chronFundsImage > img
s.hdnux.com/photos/01/55/61/65/28777816/3/rawImage.jpg

More information about the performance of your application. These numbers don't directly affect the Performance score.

Layout shift culprits
Optimize DOM size
Font display
Modern HTTP
Render blocking requests
Optimize viewport for mobile
Minify CSS
User Timing marks and measures 42 user timings
Avoid long main-thread tasks 20 long tasks found
Avoid non-composited animations 3 animated elements found
Network Requests
Network Round Trip Times 120 ms
Server Backend Latencies 300 ms
Tasks
Diagnostics
Metrics
Screenshot Thumbnails
Final Screenshot
Script Treemap Data
Resources Summary
Initial server response time was short Root document took 20 ms
Avoid large layout shifts 15 layout shifts found
INP breakdown
100

Accessibility

These checks highlight opportunities to improve the accessibility of your web app. Automatic detection can only detect a subset of issues and does not guarantee the accessibility of your web app, so manual testing is also encouraged.

Interactive controls are keyboard focusable
Interactive elements indicate their purpose and state
The page has a logical tab order
Visual order on the page follows DOM order
User focus is not accidentally trapped in a region
The user's focus is directed to new content added to the page
HTML5 landmark elements are used to improve navigation
Offscreen content is hidden from assistive technology
Custom controls have associated labels
Custom controls have ARIA roles
`[aria-*]` attributes match their roles
`[aria-hidden="true"]` is not present on the document `<body>`
`[role]`s have all required `[aria-*]` attributes
`[role]` values are valid
`[aria-*]` attributes have valid values
`[aria-*]` attributes are valid and not misspelled
Buttons have an accessible name
Image elements have `[alt]` attributes
Form elements have associated labels
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
`button`, `link`, and `menuitem` elements have accessible names
ARIA attributes are used as specified for the element's role
Elements with `role="dialog"` or `role="alertdialog"` have accessible names.
`[aria-hidden="true"]` elements do not contain focusable descendents
ARIA input fields have accessible names
Elements use only permitted ARIA attributes
Background and foreground colors have a sufficient contrast ratio
Document has a `<title>` element
`<frame>` or `<iframe>` elements have a title
`<html>` element has a `[lang]` attribute
`<html>` element has a valid value for its `[lang]` attribute
Links are distinguishable without relying on color.
Links have a discernible name
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements
No element has a `[tabindex]` value greater than 0
Touch targets have sufficient size and spacing.
Heading elements appear in a sequentially-descending order
Document has a main landmark.
Deprecated ARIA roles were not used
Identical links have the same purpose.
Elements with visible text labels have matching accessible names.
`[accesskey]` values are unique
ARIA `meter` elements have accessible names
ARIA `progressbar` elements have accessible names
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
`[role]`s are contained by their required parent element
Elements with the `role=text` attribute do not have focusable descendents.
ARIA toggle fields have accessible names
ARIA `tooltip` elements have accessible names
ARIA `treeitem` elements have accessible names
The page contains a heading, skip link, or landmark region
`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
Definition list items are wrapped in `<dl>` elements
ARIA IDs are unique
No form fields have multiple labels
`<html>` element has an `[xml:lang]` attribute with the same base language as the `[lang]` attribute.
Input buttons have discernible text.
`<input type="image">` elements have `[alt]` text
The document does not use `<meta http-equiv="refresh">`
`<object>` elements have alternate text
Select elements have associated label elements.
Skip links are focusable.
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
`[lang]` attributes have a valid value
`<video>` elements contain a `<track>` element with `[kind="captions"]`
Tables have different content in the summary attribute and `<caption>`.
All heading elements contain content.
Uses ARIA roles only on compatible elements
Image elements do not have `[alt]` attributes that are redundant text.
Tables use `<caption>` instead of cells with the `[colspan]` attribute to indicate a caption.
`<td>` elements in a large `<table>` have one or more table headers.
69

Best Practices

Trust and Safety

Users are mistrustful of or confused by sites that request to send notifications without context. Consider tying the request to user gestures instead. Learn more about responsibly getting permission for notifications.

Why this matters

Performance issues directly impact user engagement and conversion rates.

General

Deprecated APIs will eventually be removed from the browser. Learn more about deprecated APIs.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Deprecation / WarningSource
Unload event listeners are deprecated and will be removed.
www.sfgate.com/ line 6, col 8711
SharedStorage
u927.sfgate.com/script.js line 821, col 205
AttributionReporting
Topics

Errors logged to the console indicate unresolved problems. They can come from network request failures and other browser concerns. Learn more about this errors in console diagnostic audit

Why this matters

Performance issues directly impact user engagement and conversion rates.

SourceDescription
www.sfgate.com/ line 6, col 8711
[GPT] Exception in googletag.cmd function: TypeError: e.permutive.ready is not a function. https://goo.gle/gpt-message#30
www.sfgate.com/ line 6, col 8711
%c PerimeterXLoadError color: #f54f4f; font-weight:bold; [object Object]
Access to fetch at 'https://fid.agkn.com/f?apiKey=2831332485' from origin 'https://www.sfgate.com' has been blocked by CORS policy: The value of the 'Access-Control-Allow-Origin' header in the response must not be the wildcard '*' when the request's credentials mode is 'include'.
Access to XMLHttpRequest at 'https://0272ac85-5199-4024-a555-397c3d825d95.prmutv.co/v2.0/pxid?k=' from origin 'https://www.sfgate.com' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
Access to XMLHttpRequest at 'https://api.permutive.com/standard-audiences/v1/affinity?url=https%3A%2F%2Fwww.sfgate.com&k=' from origin 'https://www.sfgate.com' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
Access to XMLHttpRequest at 'https://api.permutive.com/standard-audiences/v1/affinity?url=https%3A%2F%2Fwww.sfgate.com&k=' from origin 'https://www.sfgate.com' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
Access to XMLHttpRequest at 'https://api.permutive.com/v2.0/geoip?include=geo&include=isp&include=ip_hash&k=' from origin 'https://www.sfgate.com' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
Access to XMLHttpRequest at 'https://api.permutive.com/v2.0/tpd/usage?k=' from origin 'https://www.sfgate.com' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
Access to XMLHttpRequest at 'https://api.permutive.com/v2.0/watson?k=' from origin 'https://www.sfgate.com' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
Access to XMLHttpRequest at 'https://ib.adnxs.com/getuidj?gdpr=1&gdpr_consent=' from origin 'https://www.sfgate.com' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
www.sfgate.com/ line 6, col 8711
Error fetching TransUnionID: TypeError: Failed to fetch at e.<computed> (https://www.sfgate.com/:7:46307) at loadInitialize (https://www.sfgate.com/_next/static/chunks/pages/_app-d6aa58070bba276d.js:1:158248) at https://www.sfgate.com/_next/static/chunks/pages/_app-d6aa58070bba276d.js:1:89097 at Array.map (<anonymous>) at https://www.sfgate.com/_next/static/chunks/pages/_app-d6aa58070bba276d.js:1:89051 at https://www.sfgate.com/_next/static/chunks/pages/_app-d6aa58070bba276d.js:1:89184 at oP (https://www.sfgate.com/_next/static/chunks/framework-f80cd7bf984bdace.js:1:81836) at o6 (https://www.sfgate.com/_next/static/chunks/framework-f80cd7bf984bdace.js:1:97214) at o4 (https://www.sfgate.com/_next/static/chunks/framework-f80cd7bf984bdace.js:1:97098) at o6 (https://www.sfgate.com/_next/static/chunks/framework-f80cd7bf984bdace.js:1:98309)
www.sfgate.com/ line 6, col 8711
Exception in queued GPT command TypeError: e.permutive.ready is not a function at m (https://0272ac85-5199-4024-a555-397c3d825d95.edge.permutive.app/6af07a2d-d0d3-4dfd-961a-bab066126220-web.js:1:162520) at https://0272ac85-5199-4024-a555-397c3d825d95.edge.permutive.app/6af07a2d-d0d3-4dfd-961a-bab066126220-web.js:1:162368 at Yv.push (https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202604160201/pubads_impl.js:19:443590) at Wv.push (https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202604160201/pubads_impl.js:19:96787) at Module.p (https://0272ac85-5199-4024-a555-397c3d825d95.edge.permutive.app/6af07a2d-d0d3-4dfd-961a-bab066126220-web.js:1:162358) at https://0272ac85-5199-4024-a555-397c3d825d95.edge.permutive.app/6af07a2d-d0d3-4dfd-961a-bab066126220-web.js:1:150898 at async Promise.all (index 0)
www.sfgate.com/ line 6, col 8711
Failed to initialize Ketch: TypeError: window.permutive.consent is not a function at https://cdn.ketchjs.com/ketchtag/stable/v2.12/ketch-sdk.js:2:1360067 at https://cdn.ketchjs.com/ketchtag/stable/v2.12/ketch-sdk.js:2:1360225 at s.trigger (https://cdn.ketchjs.com/ketchtag/stable/v2.12/ketch-sdk.js:2:1324493) at s.addListener (https://cdn.ketchjs.com/ketchtag/stable/v2.12/ketch-sdk.js:2:1323993) at s.on (https://cdn.ketchjs.com/ketchtag/stable/v2.12/ketch-sdk.js:2:1324031) at C.on (https://cdn.ketchjs.com/ketchtag/stable/v2.12/ketch-sdk.js:2:1451157) at https://cdn.ketchjs.com/ketchtag/stable/v2.12/ketch-sdk.js:2:1359649 at Generator.next (<anonymous>) at s (https://cdn.ketchjs.com/ketchtag/stable/v2.12/ketch-sdk.js:2:1560886)
Failed to load resource: net::ERR_FAILED
Failed to load resource: net::ERR_FAILED
Failed to load resource: net::ERR_FAILED
Failed to load resource: net::ERR_NAME_NOT_RESOLVED
Failed to load resource: the server responded with a status of 404 ()
Failed to load resource: the server responded with a status of 451 ()
Framing 'https://ads.pubmatic.com/' violates the following report-only Content Security Policy directive: "default-src 'none'". The violation has been logged, but no further action has been taken. Note that 'frame-src' was not explicitly set, so 'default-src' is used as a fallback.
Framing 'https://ads.pubmatic.com/' violates the following report-only Content Security Policy directive: "default-src 'none'". The violation has been logged, but no further action has been taken. Note that 'frame-src' was not explicitly set, so 'default-src' is used as a fallback.
Framing 'https://eb2.3lift.com/' violates the following report-only Content Security Policy directive: "default-src 'none'". The violation has been logged, but no further action has been taken. Note that 'frame-src' was not explicitly set, so 'default-src' is used as a fallback.
Framing 'https://eb2.3lift.com/' violates the following report-only Content Security Policy directive: "default-src 'none'". The violation has been logged, but no further action has been taken. Note that 'frame-src' was not explicitly set, so 'default-src' is used as a fallback.
Framing 'https://eus.rubiconproject.com/' violates the following report-only Content Security Policy directive: "default-src 'none'". The violation has been logged, but no further action has been taken. Note that 'frame-src' was not explicitly set, so 'default-src' is used as a fallback.
Framing 'https://eus.rubiconproject.com/' violates the following report-only Content Security Policy directive: "default-src 'none'". The violation has been logged, but no further action has been taken. Note that 'frame-src' was not explicitly set, so 'default-src' is used as a fallback.
www.sfgate.com/ line 10, col 0
Framing 'https://everlit.audio/' violates the following report-only Content Security Policy directive: "default-src 'none'". The violation has been logged, but no further action has been taken. Note that 'frame-src' was not explicitly set, so 'default-src' is used as a fallback.
www.sfgate.com/ line 10, col 0
Framing 'https://everlit.audio/' violates the following report-only Content Security Policy directive: "default-src 'none'". The violation has been logged, but no further action has been taken. Note that 'frame-src' was not explicitly set, so 'default-src' is used as a fallback.
Framing 'https://everlit.audio/' violates the following report-only Content Security Policy directive: "default-src 'none'". The violation has been logged, but no further action has been taken. Note that 'frame-src' was not explicitly set, so 'default-src' is used as a fallback.
Framing 'https://everlit.audio/' violates the following report-only Content Security Policy directive: "default-src 'none'". The violation has been logged, but no further action has been taken. Note that 'frame-src' was not explicitly set, so 'default-src' is used as a fallback.
Framing 'https://everlit.audio/' violates the following report-only Content Security Policy directive: "default-src 'none'". The violation has been logged, but no further action has been taken. Note that 'frame-src' was not explicitly set, so 'default-src' is used as a fallback.
Framing 'https://everlit.audio/' violates the following report-only Content Security Policy directive: "default-src 'none'". The violation has been logged, but no further action has been taken. Note that 'frame-src' was not explicitly set, so 'default-src' is used as a fallback.
Framing 'https://everlit.audio/' violates the following report-only Content Security Policy directive: "default-src 'none'". The violation has been logged, but no further action has been taken. Note that 'frame-src' was not explicitly set, so 'default-src' is used as a fallback.
Framing 'https://everlit.audio/' violates the following report-only Content Security Policy directive: "default-src 'none'". The violation has been logged, but no further action has been taken. Note that 'frame-src' was not explicitly set, so 'default-src' is used as a fallback.
Framing 'https://hearstnewspapers-d.openx.net/' violates the following report-only Content Security Policy directive: "default-src 'none'". The violation has been logged, but no further action has been taken. Note that 'frame-src' was not explicitly set, so 'default-src' is used as a fallback.
Framing 'https://hearstnewspapers-d.openx.net/' violates the following report-only Content Security Policy directive: "default-src 'none'". The violation has been logged, but no further action has been taken. Note that 'frame-src' was not explicitly set, so 'default-src' is used as a fallback.
Framing 'https://i.liadm.com/' violates the following report-only Content Security Policy directive: "default-src 'none'". The violation has been logged, but no further action has been taken. Note that 'frame-src' was not explicitly set, so 'default-src' is used as a fallback.
Framing 'https://i.liadm.com/' violates the following report-only Content Security Policy directive: "default-src 'none'". The violation has been logged, but no further action has been taken. Note that 'frame-src' was not explicitly set, so 'default-src' is used as a fallback.
Framing 'https://js-sec.indexww.com/' violates the following report-only Content Security Policy directive: "default-src 'none'". The violation has been logged, but no further action has been taken. Note that 'frame-src' was not explicitly set, so 'default-src' is used as a fallback.
Framing 'https://js-sec.indexww.com/' violates the following report-only Content Security Policy directive: "default-src 'none'". The violation has been logged, but no further action has been taken. Note that 'frame-src' was not explicitly set, so 'default-src' is used as a fallback.
Framing 'https://tpc.googlesyndication.com/' violates the following report-only Content Security Policy directive: "default-src 'none'". The violation has been logged, but no further action has been taken. Note that 'frame-src' was not explicitly set, so 'default-src' is used as a fallback.
Framing 'https://tpc.googlesyndication.com/' violates the following report-only Content Security Policy directive: "default-src 'none'". The violation has been logged, but no further action has been taken. Note that 'frame-src' was not explicitly set, so 'default-src' is used as a fallback.
Framing 'https://tpc.googlesyndication.com/' violates the following report-only Content Security Policy directive: "default-src 'none'". The violation has been logged, but no further action has been taken. Note that 'frame-src' was not explicitly set, so 'default-src' is used as a fallback.
Framing 'https://tpc.googlesyndication.com/' violates the following report-only Content Security Policy directive: "default-src 'none'". The violation has been logged, but no further action has been taken. Note that 'frame-src' was not explicitly set, so 'default-src' is used as a fallback.
Uncaught (in promise) TypeError: r.addon is not a function
Uncaught (in promise) TypeError: t.wnd.permutive.ready is not a function
Uncaught (in promise) TypeError: window.permutive.consent is not a function

Issues logged to the `Issues` panel in Chrome Devtools indicate unresolved problems. They can come from network request failures, insufficient security controls, and other browser concerns. Open up the Issues panel in Chrome DevTools for more details on each issue.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Issue type
Content security policy
Uses HTTPS
Avoids third-party cookies
Allows users to paste into input fields
Avoids requesting the geolocation permission on page load
Displays images with correct aspect ratio
Serves images with appropriate resolution
Page has the HTML doctype
Properly defines charset
Ensure CSP is effective against XSS attacks
Use a strong HSTS policy
Ensure proper origin isolation with COOP
Mitigate clickjacking with XFO or CSP
Mitigate DOM-based XSS with Trusted Types
Detected JavaScript libraries
Page has valid source maps
Redirects HTTP traffic to HTTPS
92

SEO

These checks ensure that your page is following basic search engine optimization advice. There are many additional factors Lighthouse does not score here that may affect your search ranking, including performance on Core Web Vitals. Learn more about Google Search Essentials.

Content Best Practices

Descriptive link text helps search engines understand your content. Learn how to make links more accessible.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Link destinationLink Text
www.sfgate.com/best/aboutLearn More

Format your HTML in a way that enables crawlers to better understand your app’s content.

Structured data is valid
Page isn’t blocked from indexing
Document has a `<title>` element
Document has a meta description
Page has successful HTTP status code
Links are crawlable
robots.txt is valid
Image elements have `[alt]` attributes
Document has a valid `hreflang`
Document has a valid `rel=canonical`

Lighthouse Scores

Industry-standard audits powered by Google Lighthouse. — Desktop

62
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
100
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
73
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
92
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

Core Web Vitals

Key metrics that affect user experience. — Desktop

First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.

901 ms

Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.

1.51 s

Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.

536 ms

Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.

0.035

Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.

6.33 s

Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.

11.13 s

Detailed Report

Audit breakdown by category with detailed findings.

62

Performance

Insights

Remove large, duplicate JavaScript modules from bundles to reduce unnecessary bytes consumed by network activity.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Polyfills and transforms enable older browsers to use new JavaScript features. However, many aren't necessary for modern browsers. Consider modifying your JavaScript build process to not transpile Baseline features, unless you know you must support older browsers. Learn why most sites can deploy ES6+ code without transpiling

Why this matters

Shipping ES5 transpiled code to modern browsers wastes bytes — every user with an evergreen browser pays for compatibility you don't need.

Learn more

Most users today run browsers that natively support ES6+, async/await, optional chaining, and the rest of modern JavaScript. Transpiling to ES5 'just in case' adds 20-40% to your bundle for no benefit. Configure your build to target a modern browserslist, or ship a differential bundle pair (modern + legacy) with the module/nomodule pattern.

Source: Google web.dev / Lighthouse

3rd party code can significantly impact load performance. Reduce and defer loading of 3rd party code to prioritize your page's content.

Why this matters

Performance issues directly impact user engagement and conversion rates.

A long cache lifetime can speed up repeat visits to your page. Learn more about caching.

Why this matters

Performance issues directly impact user engagement and conversion rates.

RequestCache TTLTransfer Size
/covers/artl_JK62Ls0w47K/369c12b2-38aa-478c-a922-3e419bb6...0.0 ms490.6 KiB
/covers/artl_6PGkeHoYWbP/903de822-1ca1-4ebf-aa28-a6ff19cb...0.0 ms479.1 KiB
/covers/artl_zPrG2cojYAQ/9cfa9ed6-d345-4d27-a786-6dadcf68...0.0 ms442.3 KiB
/content/playlist_dacb1748-b7f8-4251-8792-66ca43766825_c2...0.0 ms430.5 KiB
/covers/artl_ya2V7sMLbla/0d161a6a-0094-4368-963a-566a4020...0.0 ms236.2 KiB
cdn.ketchjs.com/ketchtag/stable/v2.12/ketch-sdk.js1200.0 s257.5 KiB
/6af07a2d-d0d3-4dfd-961a-bab066126220-web.js900.0 s226.3 KiB
s.ntv.io/serve/load.js3600.0 s251.0 KiB
htlbid.com/build/0fd9813f-2b50-45be-a75e-d55dea80d94d/hnpbid.js600.0 s146.2 KiB
/scripts/1cbbeea35302b334c17ec7de41048b19077c3452b8825fa3...3600.0 s133.2 KiB
/content/playlist_dacb1748-b7f8-4251-8792-66ca43766825_0a...0.0 ms100.3 KiB
/signals/config/169188807166631?v=2.9.303&r=stable&domain...1200.0 s98.5 KiB
connect.facebook.net/en_US/fbevents.js1200.0 s96.6 KiB
c.amazon-adsystem.com/aax2/apstag.js3600.0 s91.0 KiB
cdn.everlit.audio/themes/pbls_72eywgtpWkj/fonts/Sora.ttf0.0 ms56.6 KiB
/hearstnewspapers-9rqIDoYfbw/_hearst-floors/prebid-load.js3600.0 s70.6 KiB
assets.revcontent.com/master/delivery.js60.0 s53.0 KiB
sdk.mrf.io/statics/marfeel-sdk.js?id=96581800.0 s59.1 KiB
ak.sail-horizon.com/spm/spm.v1.min.js600.0 s48.1 KiB
cdn.p-n.io/pushly-sdk.min.js?domain_key=7sYpqFDFzMOizvBGAbH0mnV5ou2zGIwMyuLT300.0 s45.5 KiB
/signals/config/148552522660220?v=2.9.303&r=stable&domain...1200.0 s44.5 KiB
ml314.com/tag.aspx?2133600.0 s38.7 KiB
d15kdpgjg3unno.cloudfront.net/oPS.js?cid=3184600.0 s60.3 KiB
www.sfgate.com/_next/static/css/068ea46319039004.css0.0 ms24.0 KiB
secure.cdn.fastclick.net/js/pubcid/latest/pubcid.min.js900.0 s21.7 KiB
b-code.liadm.com/b-028s.min.js86400.0 s45.6 KiB
assets.revcontent.com/master/brandWidget~feedWidget.75645bdd.delivery.js60.0 s17.1 KiB
/covers/artl_nP9zWiOv54Q/68d8947e-bd30-4dc5-88ab-eef92a7c...0.0 ms14.4 KiB
/covers/artl_1Kxw7fnE7wQ/52ce0408-56cb-48db-bd58-ff749af4...0.0 ms11.6 KiB
/covers/artl_6PGkeHoYWbP/903de822-1ca1-4ebf-aa28-a6ff19cb...0.0 ms11.6 KiB
assets.revcontent.com/master/feedWidget.75645bdd.delivery.js60.0 s10.5 KiB
/covers/artl_JK62Ls0w47K/369c12b2-38aa-478c-a922-3e419bb6...0.0 ms10.2 KiB
/covers/artl_ya2V7sMLbla/0d161a6a-0094-4368-963a-566a4020...0.0 ms9.9 KiB
/covers/artl_1Pn5bC9jnqa/977d64c4-71ee-4e5a-a198-8813e90e...0.0 ms9.4 KiB
assets.revcontent.com/master/defaultWidget~feedWidget.75645bdd.delivery.js60.0 s8.6 KiB
/covers/artl_9QemEukg9wQ/2915c6f6-914c-4201-ba9b-bb0569f7...0.0 ms8.4 KiB
/covers/artl_VaRgzSoewbP/049a5a3e-d68b-4595-8635-ed3d56f2...0.0 ms8.2 KiB
/covers/artl_zPrG2cojYAQ/9cfa9ed6-d345-4d27-a786-6dadcf68...0.0 ms8.0 KiB
snap.licdn.com/li.lms-analytics/insight.min.js86400.0 s18.7 KiB
eus.rubiconproject.com/usync.js28657.0 s11.5 KiB
hearstnews.solutions.cdn.optable.co/public-assets/hearstnews-sdk.js86400.0 s16.8 KiB
s.hdnux.com/photos/01/55/61/65/28777816/3/rawImage.jpg604800.0 s65.0 KiB
/covers/artl_1Po8xtjoEWQ/bf8f57cb-b1fb-4c5d-8910-b1e05403...0.0 ms6.4 KiB
rumcdn.geoedge.be/papi.js14400.0 s9.2 KiB
www.sfgate.com/_next/static/chunks/pages/_app-d6aa58070bba276d.js604800.0 s61.5 KiB
www.sfgate.com/_next/static/chunks/7787-e1f4fb6760aae2a2.js604800.0 s60.5 KiB
s.hdnux.com/photos/01/66/01/56/30940045/3/ratio3x2_640.webp604800.0 s53.7 KiB
www.sfgate.com/_next/static/chunks/framework-f80cd7bf984bdace.js604800.0 s53.2 KiB
s.hdnux.com/photos/01/66/02/04/30941467/3/ratio3x2_480.webp604800.0 s52.9 KiB
static.trueanthem.com/scripts/ta.c34341.js86400.0 s10.7 KiB
global.ketchcdn.com/web/v3/config/hearst/sfgate/boot.js1200.0 s4.7 KiB
s.hdnux.com/photos/01/53/57/31/28243576/3/ratio3x2_480.webp604800.0 s37.2 KiB
www.sfgate.com/_next/static/chunks/main-61f7121325b2456a.js604800.0 s36.9 KiB
s.hdnux.com/photos/01/65/77/72/30932631/3/ratio3x2_480.webp604800.0 s35.2 KiB
/revcontent/image/fetch/f_jpg,q_50,h_315,w_420,c_fill,g_f...604800.0 s31.3 KiB
sb.scorecardresearch.com/beacon.js86400.0 s6.7 KiB
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/events/0012000001fxZm9AAE?integrationType=DEFAULT&templa...0.0 ms73 B
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cdn.everlit.audio/themes/pbls_72eywgtpWkj/fonts/Sora.ttf0.0 ms0 B
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Your first network request is the most important. Reduce its latency by avoiding redirects, ensuring a fast server response, and enabling text compression.

Why this matters

Performance issues directly impact user engagement and conversion rates.

A forced reflow occurs when JavaScript queries geometric properties (such as offsetWidth) after styles have been invalidated by a change to the DOM state. This can result in poor performance. Learn more about forced reflows and possible mitigations.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:source label:Top function call valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]
items: [map[reflowTime:12.193 source:map[column:178918 line:1 type:source-location url:https://www.sfgate.com/_next/static/chunks/framework-f80cd7bf984bdace.js urlProvider:network]]]
headings: [map[key:source label:Source valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]
items: [map[reflowTime:57.491 source:map[type:text value:[unattributed]]] map[reflowTime:0.418 source:map[column:47577 line:0 type:source-location url:https://www.sfgate.com/_next/static/chunks/7787-e1f4fb6760aae2a2.js urlProvider:network]] map[reflowTime:0.337 source:map[column:155946 line:0 type:source-location url:https://www.sfgate.com/_next/static/chunks/7787-e1f4fb6760aae2a2.js urlProvider:network]] map[reflowTime:0.295 source:map[column:205776 line:0 type:source-location url:https://www.sfgate.com/_next/static/chunks/7787-e1f4fb6760aae2a2.js urlProvider:network]] map[reflowTime:11.143 source:map[column:94817 line:0 type:source-location url:https://www.sfgate.com/_next/static/chunks/7787-e1f4fb6760aae2a2.js urlProvider:network]]]

Optimize LCP by making the LCP image discoverable from the HTML immediately, and avoiding lazy-loading

Why this matters

Performance issues directly impact user engagement and conversion rates.

lhId: page-0-IMG
nodeLabel: The signature golden arches at the McDonald’s Production Studio in City of Indu…
path: 1,HTML,1,BODY,4,DIV,7,MAIN,4,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,A,0,DIV,0,PICTURE,11,IMG
selector: a > div.rel > picture > img.x100
snippet: <img alt="The signature golden arches at the McDonald’s Production Studio in City of…" loading="eager" srcset="https://s.hdnux.com/photos/01/66/01/56/30940045/3/ratio3x2_80.jpg 80w, htt…" sizes="(min-width: 1048px) 640px, (min-width: 768px) 67vw, 100vw" style="aspect-ratio:3 / 2" class="x100 y100 opc bgpc ofcv bgscv block bg-gray200 mnh0px fill">

Avoid chaining critical requests by reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.

Why this matters

Performance issues directly impact user engagement and conversion rates.

description: [preconnect](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/) hints help the browser establish a connection earlier in the page load, saving time when the first request for that origin is made. The following are the origins that the page preconnected to.
title: Preconnected origins
description: Add [preconnect](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/) hints to your most important origins, but try to use no more than 4.
title: Preconnect candidates

Reducing the download time of images can improve the perceived load time of the page and LCP. Learn more about optimizing image size

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLResource SizeEst Savings
Meta cuts 198 Bay Area employees as even larger layoffs reportedly loom div.fdc > article.grid > div.f > h2.owa
/covers/artl_JK62Ls0w47K/369c12b2-38aa-478c-a922-3e419bb6...490.0 KiB489.6 KiB
A third Californian has died after being bitten by a snake in 2026 div.fdc > article.grid > div.f > h2.owa
/covers/artl_6PGkeHoYWbP/903de822-1ca1-4ebf-aa28-a6ff19cb...478.6 KiB478.1 KiB
Mayor Lurie leverages San Francisco culture to reignite Chinese travel div.fdc > article.grid > div.f > h2.owa
/covers/artl_zPrG2cojYAQ/9cfa9ed6-d345-4d27-a786-6dadcf68...441.6 KiB441.2 KiB
San Francisco is getting ravaged by multiple viruses. Experts aren't sure why. div.fdc > article.grid > div.f > h2.owa
/covers/artl_ya2V7sMLbla/0d161a6a-0094-4368-963a-566a4020...235.8 KiB235.3 KiB
cdn.playbuzz.com/logos/30b0aaf4-cc13-4972-9cf9-ad9a05e5e62d_1644758027515.png43.1 KiB43.1 KiB
The signature golden arches at the McDonald’s Production Studio in City of Indu… a > div.rel > picture > img.x100
s.hdnux.com/photos/01/66/01/56/30940045/3/ratio3x2_640.webp53.3 KiB26.6 KiB
2. div.grid > div.f > div.f > span.c-primaryAccessible
/covers/artl_nP9zWiOv54Q/68d8947e-bd30-4dc5-88ab-eef92a7c...14.2 KiB13.9 KiB
/covers/artl_6PGkeHoYWbP/903de822-1ca1-4ebf-aa28-a6ff19cb...11.3 KiB11.0 KiB
5. div.grid > div.f > div.f > span.c-primaryAccessible
/covers/artl_1Kxw7fnE7wQ/52ce0408-56cb-48db-bd58-ff749af4...11.1 KiB10.8 KiB
Colosseum Mine inside the Mojave National Preserve in San Bernardino County, Ca… a > div.rel > picture > img.x100
s.hdnux.com/photos/01/65/77/72/30932631/3/ratio3x2_480.webp35.1 KiB10.1 KiB
/covers/artl_JK62Ls0w47K/369c12b2-38aa-478c-a922-3e419bb6...9.8 KiB9.4 KiB
/covers/artl_ya2V7sMLbla/0d161a6a-0094-4368-963a-566a4020...9.7 KiB9.4 KiB
Hawaii residents brace for change as Larry Ellison tries to rezone 170 acres div.f > div.f > div.f > h2.owa
/covers/artl_1Pn5bC9jnqa/977d64c4-71ee-4e5a-a198-8813e90e...9.0 KiB8.7 KiB
MOST POPULAR div.package > div.f > div.f > h2.wsn
/covers/artl_9QemEukg9wQ/2915c6f6-914c-4201-ba9b-bb0569f7...8.2 KiB7.9 KiB
A smarter way to find cheaper flights for soccer travel div.fdc > article.grid > div.f > h2.owa
/covers/artl_VaRgzSoewbP/049a5a3e-d68b-4595-8635-ed3d56f2...7.8 KiB7.5 KiB
Flowkey piano app drops to $80 for five years div.fdc > article.grid > div.f > h2.owa
/covers/artl_zPrG2cojYAQ/9cfa9ed6-d345-4d27-a786-6dadcf68...7.5 KiB7.2 KiB
SPORTS span > div.f > div.dropshadowSm > h2.wsn
/covers/artl_1Po8xtjoEWQ/bf8f57cb-b1fb-4c5d-8910-b1e05403...6.1 KiB5.8 KiB

These insights are also available in the Chrome DevTools Performance Panel - record a trace to view more detailed information.

Redirects introduce additional delays before the page can be loaded. Learn how to avoid page redirects.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 524 ms
URLTime Spent
sfgate.com/524 ms
www.sfgate.com/0.0 ms

Keep the server response time for the main document short because all other requests depend on it. Learn more about the Time to First Byte metric.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 1.3 s
URLTime Spent
www.sfgate.com/1.4 s

Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric.

Why this matters

Performance issues directly impact user engagement and conversion rates.

TTI

The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more about the Maximum Potential First Input Delay metric.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Diagnostics

Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn how to reduce unused JavaScript.

Why this matters

Multi-megabyte JavaScript bundles delay every interactive feature on the page.

Learn more

This is the Lighthouse audit fired when too much JS is shipped relative to what executes. The fix isn't a config flag — it requires bundle analysis (webpack-bundle-analyzer, rollup-plugin-visualizer), splitting routes into chunks, lazy-loading off-screen components, and removing unused dependencies. Fundamentally different from minification: minifying reduces byte count, this reduces what's downloaded at all.

Source: Google web.dev / Lighthouse

Estimated savings: 40 ms 1.6 MiB
URLTransfer SizeEst Savings
s.ntv.io/serve/load.js250.4 KiB189.9 KiB
u927.sfgate.com/plugin/library/c639374ef06961b30d02cf0d29623622203.5 KiB160.6 KiB
/pagead/managed/js/gpt/m202604090102/pubads_impl.js?cb=31...187.6 KiB122.0 KiB
cdn.ketchjs.com/ketchtag/stable/v2.12/ketch-sdk.js257.0 KiB101.4 KiB
cdn.ex.co/player/ap/4.230.0-947b4e1/player.js138.6 KiB91.7 KiB
www.googletagmanager.com/gtag/js?id=AW-&cx=c&gtm=4e64h1134.1 KiB80.4 KiB
accounts.google.com/gsi/client95.6 KiB67.8 KiB
www.googletagmanager.com/gtm.js?id=GTM-N799RG7S&gtm=4e64h1174.9 KiB66.8 KiB
/assets/0xB4C31EFABC209F3B75CFCFA49DCB4058E3E91866/GetJS?...97.4 KiB63.2 KiB
www.googletagmanager.com/gtag/js?id=G-K75EXT0S8W&cx=c&gtm=4e64h1144.5 KiB59.4 KiB
player.ex.co/player/32f4762f-4754-45f5-b25d-0d762c9e2d43186.2 KiB55.1 KiB
www.googletagmanager.com/gtm.js?id=GTM-M34WSG8129.7 KiB53.9 KiB
www.googletagmanager.com/gtag/js?84.8 KiB52.6 KiB
u927.sfgate.com/plugin/plugin/db46d7aeff1612c61d56388bc25f43ed88.0 KiB47.6 KiB
htlbid.com/build/0fd9813f-2b50-45be-a75e-d55dea80d94d/hnpbid.js145.8 KiB43.9 KiB
c.amazon-adsystem.com/aax2/apstag.js90.5 KiB39.8 KiB
connect.facebook.net/en_US/fbevents.js96.5 KiB36.4 KiB
/hearstnewspapers-9rqIDoYfbw/_hearst-floors/prebid-load.js70.2 KiB36.2 KiB
ak.sail-horizon.com/spm/spm.v1.min.js47.7 KiB31.5 KiB
/signals/config/169188807166631?v=2.9.303&r=stable&domain...98.4 KiB27.2 KiB
sdk.mrf.io/statics/marfeel-sdk.js?id=965858.8 KiB25.7 KiB
ml314.com/tag.aspx?21338.2 KiB25.6 KiB
d15kdpgjg3unno.cloudfront.net/oPS.js?cid=3159.8 KiB24.9 KiB
www.sfgate.com/_next/static/chunks/7787-e1f4fb6760aae2a2.js59.7 KiB23.5 KiB
www.sfgate.com/_next/static/chunks/pages/_app-d6aa58070bba276d.js61.2 KiB22.5 KiB
plugins.blueconic.net/static/scripts/jquery/jquery-3.7.1-BC-v2.min.js29.7 KiB22.1 KiB
/6af07a2d-d0d3-4dfd-961a-bab066126220-web.js225.7 KiB21.5 KiB
www.sfgate.com/_next/static/chunks/371.d0b67b8267614a27.js22.1 KiB20.4 KiB
launchpad.privacymanager.io/latest/launchpad.bundle.js44.9 KiB20.1 KiB

Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to reduce Javascript execution time.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to minimize main-thread work

Why this matters

Performance issues directly impact user engagement and conversion rates.

CategoryTime Spent
Script Evaluation8.3 s
Other2.5 s
Style & Layout816 ms
Rendering590 ms
Script Parsing & Compilation378 ms
Garbage Collection230 ms
Parse HTML & CSS221 ms

Many navigations are performed by going back to a previous page, or forwards again. The back/forward cache (bfcache) can speed up these return navigations. Learn more about the bfcache

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failure reasonFailure type
The page has an unload handler in the main frame.Actionable

Minifying JavaScript files can reduce payload sizes and script parse time. Learn how to minify JavaScript.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn how to reduce unused CSS.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 0.0 ms 37.9 KiB
URLTransfer SizeEst Savings
www.sfgate.com/_next/static/css/068ea46319039004.css23.8 KiB19.1 KiB
22.1 KiB18.8 KiB

Set an explicit width and height on image elements to reduce layout shifts and improve CLS. Learn how to set image dimensions

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL
exp-customer-logo div.exp-ui__wrapper > div.exp-ui__customer-logo > a > img.exp-ui__customer-logo__image
cdn.playbuzz.com/logos/30b0aaf4-cc13-4972-9cf9-ad9a05e5e62d_1644758027515.png
Explore the winners of San Francisco Chronicle's 2026 wine competition a > div#HP-Sig-ChronFunds > div.chronFundsImage > img
s.hdnux.com/photos/01/55/61/65/28777816/3/rawImage.jpg

More information about the performance of your application. These numbers don't directly affect the Performance score.

Layout shift culprits
Optimize DOM size
Font display
LCP breakdown
Modern HTTP
Render blocking requests
Optimize viewport for mobile
Minify CSS
User Timing marks and measures 44 user timings
Avoid long main-thread tasks 20 long tasks found
Avoid non-composited animations 2 animated elements found
Network Requests
Network Round Trip Times 110 ms
Server Backend Latencies 590 ms
Tasks
Diagnostics
Metrics
Screenshot Thumbnails
Final Screenshot
Script Treemap Data
Resources Summary
Avoid large layout shifts 15 layout shifts found
INP breakdown
100

Accessibility

These checks highlight opportunities to improve the accessibility of your web app. Automatic detection can only detect a subset of issues and does not guarantee the accessibility of your web app, so manual testing is also encouraged.

Interactive controls are keyboard focusable
Interactive elements indicate their purpose and state
The page has a logical tab order
Visual order on the page follows DOM order
User focus is not accidentally trapped in a region
The user's focus is directed to new content added to the page
HTML5 landmark elements are used to improve navigation
Offscreen content is hidden from assistive technology
Custom controls have associated labels
Custom controls have ARIA roles
`[aria-*]` attributes match their roles
`[aria-hidden="true"]` is not present on the document `<body>`
`[role]`s have all required `[aria-*]` attributes
`[role]` values are valid
`[aria-*]` attributes have valid values
`[aria-*]` attributes are valid and not misspelled
Buttons have an accessible name
Image elements have `[alt]` attributes
Form elements have associated labels
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
`button`, `link`, and `menuitem` elements have accessible names
ARIA attributes are used as specified for the element's role
Elements with `role="dialog"` or `role="alertdialog"` have accessible names.
`[aria-hidden="true"]` elements do not contain focusable descendents
ARIA input fields have accessible names
Elements use only permitted ARIA attributes
Background and foreground colors have a sufficient contrast ratio
Document has a `<title>` element
`<frame>` or `<iframe>` elements have a title
`<html>` element has a `[lang]` attribute
`<html>` element has a valid value for its `[lang]` attribute
Links are distinguishable without relying on color.
Links have a discernible name
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements
No element has a `[tabindex]` value greater than 0
Touch targets have sufficient size and spacing.
Heading elements appear in a sequentially-descending order
Document has a main landmark.
Deprecated ARIA roles were not used
Identical links have the same purpose.
Elements with visible text labels have matching accessible names.
`[accesskey]` values are unique
ARIA `meter` elements have accessible names
ARIA `progressbar` elements have accessible names
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
`[role]`s are contained by their required parent element
Elements with the `role=text` attribute do not have focusable descendents.
ARIA toggle fields have accessible names
ARIA `tooltip` elements have accessible names
ARIA `treeitem` elements have accessible names
The page contains a heading, skip link, or landmark region
`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
Definition list items are wrapped in `<dl>` elements
ARIA IDs are unique
No form fields have multiple labels
`<html>` element has an `[xml:lang]` attribute with the same base language as the `[lang]` attribute.
Input buttons have discernible text.
`<input type="image">` elements have `[alt]` text
The document does not use `<meta http-equiv="refresh">`
`<object>` elements have alternate text
Select elements have associated label elements.
Skip links are focusable.
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
`[lang]` attributes have a valid value
`<video>` elements contain a `<track>` element with `[kind="captions"]`
Tables have different content in the summary attribute and `<caption>`.
All heading elements contain content.
Uses ARIA roles only on compatible elements
Image elements do not have `[alt]` attributes that are redundant text.
Tables use `<caption>` instead of cells with the `[colspan]` attribute to indicate a caption.
`<td>` elements in a large `<table>` have one or more table headers.
73

Best Practices

Trust and Safety

Users are mistrustful of or confused by sites that request to send notifications without context. Consider tying the request to user gestures instead. Learn more about responsibly getting permission for notifications.

Why this matters

Performance issues directly impact user engagement and conversion rates.

General

Deprecated APIs will eventually be removed from the browser. Learn more about deprecated APIs.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Deprecation / WarningSource
SharedStorage
u927.sfgate.com/script.js line 821, col 205
Unload event listeners are deprecated and will be removed.
www.sfgate.com/ line 6, col 8711
AttributionReporting
Topics

Errors logged to the console indicate unresolved problems. They can come from network request failures and other browser concerns. Learn more about this errors in console diagnostic audit

Why this matters

Performance issues directly impact user engagement and conversion rates.

SourceDescription
www.sfgate.com/ line 6, col 8711
[GPT] Exception in googletag.cmd function: TypeError: e.permutive.ready is not a function. https://goo.gle/gpt-message#30
www.sfgate.com/ line 6, col 8711
[GSI_LOGGER]: FedCM get() rejects with NetworkError: Error retrieving a token.
www.sfgate.com/ line 6, col 8711
%c PerimeterXLoadError color: #f54f4f; font-weight:bold; [object Object]
Access to fetch at 'https://fid.agkn.com/f?apiKey=2831332485' from origin 'https://www.sfgate.com' has been blocked by CORS policy: The value of the 'Access-Control-Allow-Origin' header in the response must not be the wildcard '*' when the request's credentials mode is 'include'.
Access to XMLHttpRequest at 'https://0272ac85-5199-4024-a555-397c3d825d95.prmutv.co/v2.0/pxid?k=' from origin 'https://www.sfgate.com' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
Access to XMLHttpRequest at 'https://api.permutive.com/standard-audiences/v1/affinity?url=https%3A%2F%2Fwww.sfgate.com&k=' from origin 'https://www.sfgate.com' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
Access to XMLHttpRequest at 'https://api.permutive.com/v2.0/geoip?include=geo&include=isp&include=ip_hash&k=' from origin 'https://www.sfgate.com' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
Access to XMLHttpRequest at 'https://api.permutive.com/v2.0/internal/metrics?k=' from origin 'https://www.sfgate.com' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
Access to XMLHttpRequest at 'https://api.permutive.com/v2.0/tpd/usage?k=' from origin 'https://www.sfgate.com' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
Access to XMLHttpRequest at 'https://api.permutive.com/v2.0/watson?k=' from origin 'https://www.sfgate.com' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
Access to XMLHttpRequest at 'https://ib.adnxs.com/getuidj?gdpr=1&gdpr_consent=' from origin 'https://www.sfgate.com' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
www.sfgate.com/ line 6, col 8711
Error fetching TransUnionID: TypeError: Failed to fetch at e.<computed> (https://www.sfgate.com/:7:46190) at loadInitialize (https://www.sfgate.com/_next/static/chunks/pages/_app-d6aa58070bba276d.js:1:158248) at https://www.sfgate.com/_next/static/chunks/pages/_app-d6aa58070bba276d.js:1:89097 at Array.map (<anonymous>) at https://www.sfgate.com/_next/static/chunks/pages/_app-d6aa58070bba276d.js:1:89051 at https://www.sfgate.com/_next/static/chunks/pages/_app-d6aa58070bba276d.js:1:89184 at oP (https://www.sfgate.com/_next/static/chunks/framework-f80cd7bf984bdace.js:1:81836) at o6 (https://www.sfgate.com/_next/static/chunks/framework-f80cd7bf984bdace.js:1:97214) at o4 (https://www.sfgate.com/_next/static/chunks/framework-f80cd7bf984bdace.js:1:97098) at o6 (https://www.sfgate.com/_next/static/chunks/framework-f80cd7bf984bdace.js:1:98309)
www.sfgate.com/ line 6, col 8711
Exception in queued GPT command TypeError: e.permutive.ready is not a function at m (https://0272ac85-5199-4024-a555-397c3d825d95.edge.permutive.app/6af07a2d-d0d3-4dfd-961a-bab066126220-web.js:1:162520) at https://0272ac85-5199-4024-a555-397c3d825d95.edge.permutive.app/6af07a2d-d0d3-4dfd-961a-bab066126220-web.js:1:162368 at ew.push (https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202604090102/pubads_impl.js?cb=31097906:19:433725) at cw.push (https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202604090102/pubads_impl.js?cb=31097906:19:97398) at Module.p (https://0272ac85-5199-4024-a555-397c3d825d95.edge.permutive.app/6af07a2d-d0d3-4dfd-961a-bab066126220-web.js:1:162358) at https://0272ac85-5199-4024-a555-397c3d825d95.edge.permutive.app/6af07a2d-d0d3-4dfd-961a-bab066126220-web.js:1:150898 at async Promise.all (index 0)
www.sfgate.com/ line 6, col 8711
Failed to initialize Ketch: TypeError: window.permutive.consent is not a function at https://cdn.ketchjs.com/ketchtag/stable/v2.12/ketch-sdk.js:2:1360067 at https://cdn.ketchjs.com/ketchtag/stable/v2.12/ketch-sdk.js:2:1360225 at s.trigger (https://cdn.ketchjs.com/ketchtag/stable/v2.12/ketch-sdk.js:2:1324493) at s.addListener (https://cdn.ketchjs.com/ketchtag/stable/v2.12/ketch-sdk.js:2:1323993) at s.on (https://cdn.ketchjs.com/ketchtag/stable/v2.12/ketch-sdk.js:2:1324031) at C.on (https://cdn.ketchjs.com/ketchtag/stable/v2.12/ketch-sdk.js:2:1451157) at https://cdn.ketchjs.com/ketchtag/stable/v2.12/ketch-sdk.js:2:1359649 at Generator.next (<anonymous>) at s (https://cdn.ketchjs.com/ketchtag/stable/v2.12/ketch-sdk.js:2:1560886)
Failed to load resource: net::ERR_FAILED
Failed to load resource: net::ERR_FAILED
Failed to load resource: net::ERR_FAILED
Failed to load resource: net::ERR_FAILED
Failed to load resource: net::ERR_NAME_NOT_RESOLVED
Failed to load resource: the server responded with a status of 404 ()
Failed to load resource: the server responded with a status of 451 ()
Not signed in with the identity provider.
Uncaught (in promise) TypeError: r.addon is not a function
Uncaught (in promise) TypeError: t.wnd.permutive.ready is not a function
Uncaught (in promise) TypeError: window.permutive.consent is not a function
Uses HTTPS
Avoids third-party cookies
Allows users to paste into input fields
Avoids requesting the geolocation permission on page load
Displays images with correct aspect ratio
Serves images with appropriate resolution
Page has the HTML doctype
Properly defines charset
No issues in the `Issues` panel in Chrome Devtools
Ensure CSP is effective against XSS attacks
Use a strong HSTS policy
Ensure proper origin isolation with COOP
Mitigate clickjacking with XFO or CSP
Mitigate DOM-based XSS with Trusted Types
Detected JavaScript libraries
Page has valid source maps
Redirects HTTP traffic to HTTPS
92

SEO

These checks ensure that your page is following basic search engine optimization advice. There are many additional factors Lighthouse does not score here that may affect your search ranking, including performance on Core Web Vitals. Learn more about Google Search Essentials.

Content Best Practices

Descriptive link text helps search engines understand your content. Learn how to make links more accessible.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Link destinationLink Text
www.sfgate.com/best/aboutLearn More

Format your HTML in a way that enables crawlers to better understand your app’s content.

Structured data is valid
Page isn’t blocked from indexing
Document has a `<title>` element
Document has a meta description
Page has successful HTTP status code
Links are crawlable
robots.txt is valid
Image elements have `[alt]` attributes
Document has a valid `hreflang`
Document has a valid `rel=canonical`

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