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https://suicidepreventionlifeline.org

Performance

· 15 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
85
GRADE
B
FIX
2
REVIEW
3
PASS
8
INFO
2

Performance-focused optimization plan with CWV assessment, top offenders, and time estimates

Mobile Desktop
94
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
95
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
81
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
100
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

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

1.00 s

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

1.47 s

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

22 ms

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

0.001

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

1.00 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.

1.90 s

Page Load Progression

375 ms
750 ms
1.1 s
1.5 s
1.9 s
2.2 s
2.6 s
3.0 s
Checks
15
8 PASS 3 REVIEW 2 FIX
D
Third-Party Impact
Action
100% third-party, 0 ms blocking
FIX
100% third-party, 0 ms blocking
Warning::
Third-party code accounts for 100% of page weight (1.3 MiB of 1.3 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
F
HTTP Caching
Action
No cache headers
FIX
No cache headers
Warning::
No Cache-Control header found
Browsers will use heuristic caching, which can be unpredictable. Set explicit cache headers.

No Cache-Control header

Adding a Cache-Control header can significantly improve repeat-visit performance.

B
Page Weight Budget
1.3 MB transferred, 27 requests
REVIEW
1.3 MB transferred, 27 requests
Info::
Page weighs 2.5 MB (1.3 MB transferred)
Info::
27 HTTP requests
Info::
Estimated 0.27 g CO2 per page load
1.3 MB / 2.4 MB budget
1.3 MB transferred
27 requests
0.27 g CO2 per page load
Images 752.0 KiB 58%
JavaScript 448.3 KiB 34%
Fonts 49.9 KiB 4%
HTML 41.7 KiB 3%
CSS 4.0 KiB 0%
Other 2.5 KiB 0%
Other 1.0 KiB 0%
Other 839 B 0%
Other 549 B 0%
0 2.4 MB 4.9 MB
Under budget
C
JS Bundles
Action
10 scripts, 186 KB unused
REVIEW
10 scripts, 186 KB unused
Warning::
https://www.googletagmanager.com/gtag/js?id=G-SK9V...: 71 KB unused (41%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtm.js?id=GTM-5RX...: 63 KB unused (51%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://giving.classy.org/embedded/api/sdk/js/8502...: 53 KB unused (66%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 186 KB
186 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.googletagmanager.com/gtag/js?id=G-SK9V65XQ5R&cx=c&gtm=4e64k0174 KB71 KB (41%)✓3rd
https://www.googletagmanager.com/gtm.js?id=GTM-5RXJ9L5P123 KB63 KB (51%)✓3rd
https://giving.classy.org/embedded/api/sdk/js/8502980 KB53 KB (66%)✓3rd
https://988lifeline.org/wp-includes/js/jquery/jquery.min.js?ver=3.7.131 KB—✓3rd
https://988lifeline.org/wp-includes/js/jquery/jquery-migrate.min.js?ver=3.4.15 KB—✓3rd
https://988lifeline.org/wp-content/plugins/mxwes/assets/js/new_window_alert.js?ver=05.29.221 KB—✓3rd
https://988lifeline.org/wp-content/plugins/mxwes/assets/js/alert_bar.js?ver=06.28.191 KB—✓3rd
https://988lifeline.org/wp-content/plugins/mxwes/assets/build/js/mxw_es_frontend.min.js?ver=12.19.2421 KB—✓3rd
https://988lifeline.org/wp-content/themes/beast/assets/build/js/scripts.min.js?ver=07.15.240 KB—✓3rd
https://988lifeline.org/cdn-cgi/challenge-platform/h/b/scripts/jsd/0b8fb825cb67/main.js?12 KB—✓3rd

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

C
Page Weight Inventory
Action
27 resources · 1.3 MB · 186 KB savings available
REVIEW
27 resources · 1.3 MB · 186 KB savings available
Warning::
Page weight 277 KB over 1MB target
Got: 1.3 MB Expected: ≤ 1 MB
Info::
~186 KB of savings available
Warning::
26 third-party resources (100% of weight)
Info::
1 resources over 200KB
27 resources · 1.3 MiB · 26 third-party 276.8 KiB over 1MB target
Image 58% · 753.7 KiB
JavaScript 34% · 448.3 KiB
Font 4% · 49.9 KiB
Document 3% · 41.7 KiB
CSS 0% · 4.0 KiB
Other 0% · 3.2 KiB

~186.4 KiB of savings available

Remove unused JavaScript: 186.4 KiB
A+
Text Compression
All text resources are compressed
PASS
All text resources are compressed
Info::
All text resources are compressed
All text resources are properly compressed.
A
Image Optimization
4 images, 0 KB saveable
PASS
4 images, 0 KB saveable
Info::
All images are well-optimized
4 images 752 KB
0 oversized -0 KB
3 legacy format
0 missing dimensions CLS risk
A+
JS Execution Cost
474ms total JS execution
PASS
474ms total JS execution
Info::
https://988lifeline.org/: 182ms CPU time
Info::
https://www.googletagmanager.com/gtag/js?id=G-SK9V...: 96ms CPU time
Info::
https://988lifeline.org/cdn-cgi/challenge-platform...: 78ms CPU time
Info::
Unattributable: 64ms CPU time
Info::
https://www.googletagmanager.com/gtm.js?id=GTM-5RX...: 53ms CPU time
Warning::
Third-party scripts: 474ms (100% of total)

Main Thread Breakdown

Script Evaluation 50% Style & Layout 23% Other 14% Script Parsing & Compilation 7% Parse HTML & CSS 4%
ScriptTotalScriptingParse/CompileParty
https://988lifeline.org/182ms17ms2ms3rd
https://www.googletagmanager.com/gtag/js?id=G-SK9V65XQ5R&cx=c&gtm=4e64k096ms81ms14ms3rd
https://988lifeline.org/cdn-cgi/challenge-platform/scripts/jsd/main.js78ms76ms1ms3rd
Unattributable64ms3ms0ms3rd
https://www.googletagmanager.com/gtm.js?id=GTM-5RXJ9L5P53ms42ms11ms3rd
A+
Font Loading
2 fonts (50 KB)
PASS
2 fonts (50 KB)
Info::
2 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

2

50 KB total

Render-blocking

0

of 2

Dominant font-display

swap

Most common across fonts

Font loading timeline
Transfer FOIT (block) FOUT (swap)
0 ms 500 ms 1.0 s 1.5 s FCP 1.0 s LCP 1.5 shttps://fonts.gstatic.com/s/publicsans/v21/ijwRs572Xtc6ZYQws9YVwnNGfJ7QwOk1.woff2ijwRs572Xtc6ZYQws9YVwnN... https://fonts.gstatic.com/s/publicsans/v21/ijwRs572Xtc6ZYQws9YVwnNGfJ7QwOk1.woff2 — 26.0 KiB — 11 ms — font-display: swaphttps://988lifeline.org/wp-content/plugins/mxwes/inc/icon_font/fonts/988.woff2?xpt853988.woff2 https://988lifeline.org/wp-content/plugins/mxwes/inc/icon_font/fonts/988.woff2?xpt853 — 23.8 KiB — 23 ms — font-display: swap
ijwRs572Xtc6ZYQws9YVwnN... woff2 swap
Size 26 KB
Load time 11 ms
Start 245 ms
Risk FOUT — text flashes from fallback to web font
988.woff2 woff2 swap
Size 24 KB
Load time 23 ms
Start 245 ms
Risk FOUT — text flashes from fallback to web font
Optimization checklist
  • Preload critical fonts (priority=high)
  • Use woff2 format for all fonts
  • Set font-display to swap, optional, or fallback
  • Subset large fonts (≤100 KB each)
A+
Resource Caching
All resources properly cached
PASS
All resources properly cached
Info::
No caching issues found
All static resources have appropriate caching headers.
A+
Critical Rendering Path
No render-blocking resources
PASS
No render-blocking resources
Info::
No render-blocking resources detected
A+
Resource Hints
No optimization needed
PASS
No optimization needed
Info::
No resource hint issues
A+
Green Hosting
Whether the site is served from green-energy infrastructure
PASS

Green Hosting

This site is hosted on green energy infrastructure

Provider: Cloudflare

Network Waterfall
27 requests over 824ms
INFO
0 ms 500 ms 1.0 s 1.5 s FCP 1.0 s LCP 1.5 shttps://suicidepreventionlifeline.org// https://suicidepreventionlifeline.org/ — 301 — 377 B — 28 ms — h2https://988lifeline.org/988lifeline.org/ https://988lifeline.org/ — 200 — 41.7 KiB — 47 ms — h2https://fonts.googleapis.com/css2?family=Public+Sans:ital,wght@0,400..900;1,400..900&display=swapfonts.googleapis.com/css2?family=Pu... https://fonts.googleapis.com/css2?family=Public+Sans:ital,wght@0,400..900;1,400..900&display=swap — 200 — 998 B — 99 ms — h2https://use.typekit.net/hbg3oub.cssuse.typekit.net/hbg3oub.css https://use.typekit.net/hbg3oub.css — 200 — 1.2 KiB — 26 ms — h2https://988lifeline.org/wp-content/plugins/mxwes/inc/icon_font/css/et-line.css988lifeline.org/wp-content/plugins/... https://988lifeline.org/wp-content/plugins/mxwes/inc/icon_font/css/et-line.css — 200 — 1.6 KiB — 34 ms — h2https://988lifeline.org/wp-content/uploads/2024/06/988-hero-1440x480.png988lifeline.org/wp-content/uploads/... https://988lifeline.org/wp-content/uploads/2024/06/988-hero-1440x480.png — 200 — 570.4 KiB — 62 ms — h2https://988lifeline.org/wp-content/uploads/2024/06/988-hero6-950x497.jpg988lifeline.org/wp-content/uploads/... https://988lifeline.org/wp-content/uploads/2024/06/988-hero6-950x497.jpg — 200 — 52.5 KiB — 28 ms — h2https://988lifeline.org/wp-includes/js/jquery/jquery.min.js?ver=3.7.1988lifeline.org/wp-includes/js/jque... https://988lifeline.org/wp-includes/js/jquery/jquery.min.js?ver=3.7.1 — 200 — 30.9 KiB — 24 ms — h2https://988lifeline.org/wp-includes/js/jquery/jquery-migrate.min.js?ver=3.4.1988lifeline.org/wp-includes/js/jque... https://988lifeline.org/wp-includes/js/jquery/jquery-migrate.min.js?ver=3.4.1 — 200 — 5.2 KiB — 27 ms — h3https://988lifeline.org/wp-content/plugins/mxwes/assets/js/new_window_alert.js?ver=05.29.22988lifeline.org/wp-content/plugins/... https://988lifeline.org/wp-content/plugins/mxwes/assets/js/new_window_alert.js?ver=05.29.22 — 200 — 649 B — 35 ms — h3https://988lifeline.org/wp-content/plugins/mxwes/assets/js/alert_bar.js?ver=06.28.19988lifeline.org/wp-content/plugins/... https://988lifeline.org/wp-content/plugins/mxwes/assets/js/alert_bar.js?ver=06.28.19 — 200 — 565 B — 33 ms — h3https://988lifeline.org/wp-content/plugins/mxwes/assets/build/js/mxw_es_frontend.min.js?ver=12.19.24988lifeline.org/wp-content/plugins/... https://988lifeline.org/wp-content/plugins/mxwes/assets/build/js/mxw_es_frontend.min.js?ver=12.19.24 — 200 — 21.4 KiB — 36 ms — h3https://988lifeline.org/wp-content/themes/beast/assets/build/js/scripts.min.js?ver=07.15.24988lifeline.org/wp-content/themes/b... https://988lifeline.org/wp-content/themes/beast/assets/build/js/scripts.min.js?ver=07.15.24 — 200 — 393 B — 34 ms — h3https://giving.classy.org/embedded/api/sdk/js/85029giving.classy.org/embedded/api/sdk/... https://giving.classy.org/embedded/api/sdk/js/85029 — 200 — 80.1 KiB — 144 ms — h2https://p.typekit.net/p.css?s=1&k=hbg3oub&ht=tk&f=10881.10882.10884.10885.26053.26054.26056.26062.32874.32875&a=133855583&app=typekit&e=cssp.typekit.net/p.css?s=1&k=hbg3oub&h... https://p.typekit.net/p.css?s=1&k=hbg3oub&ht=tk&f=10881.10882.10884.10885.26053.26054.26056.26062.32874.32875&a=133855583&app=typekit&e=css — 200 — 172 B — 34 ms — h2https://988lifeline.org/wp-content/themes/beast/favicons/site.webmanifest?v=2988lifeline.org/wp-content/themes/b... https://988lifeline.org/wp-content/themes/beast/favicons/site.webmanifest?v=2 — 200 — 839 B — 29 ms — h3https://fonts.gstatic.com/s/publicsans/v21/ijwRs572Xtc6ZYQws9YVwnNGfJ7QwOk1.woff2fonts.gstatic.com/s/publicsans/v21/... https://fonts.gstatic.com/s/publicsans/v21/ijwRs572Xtc6ZYQws9YVwnNGfJ7QwOk1.woff2 — 200 — 26.0 KiB — 11 ms — h3https://988lifeline.org/wp-content/plugins/mxwes/inc/icon_font/fonts/988.woff2?xpt853988lifeline.org/wp-content/plugins/... https://988lifeline.org/wp-content/plugins/mxwes/inc/icon_font/fonts/988.woff2?xpt853 — 200 — 23.8 KiB — 23 ms — h3https://988lifeline.org/wp-content/uploads/2024/06/988-hero7-950x497.jpg988lifeline.org/wp-content/uploads/... https://988lifeline.org/wp-content/uploads/2024/06/988-hero7-950x497.jpg — 200 — 76.8 KiB — 31 ms — h3https://988lifeline.org/wp-content/uploads/2024/06/988-hero1-950x497.jpg988lifeline.org/wp-content/uploads/... https://988lifeline.org/wp-content/uploads/2024/06/988-hero1-950x497.jpg — 200 — 52.4 KiB — 23 ms — h3https://www.googletagmanager.com/gtm.js?id=GTM-5RXJ9L5Pwww.googletagmanager.com/gtm.js?id=... https://www.googletagmanager.com/gtm.js?id=GTM-5RXJ9L5P — 200 — 123.2 KiB — 105 ms — h2https://988lifeline.org/cdn-cgi/challenge-platform/scripts/jsd/main.js988lifeline.org/cdn-cgi/challenge-p... https://988lifeline.org/cdn-cgi/challenge-platform/scripts/jsd/main.js — 302 — 454 B — 40 ms — h3https://988lifeline.org/cdn-cgi/challenge-platform/h/b/scripts/jsd/0b8fb825cb67/main.js?988lifeline.org/cdn-cgi/challenge-p... https://988lifeline.org/cdn-cgi/challenge-platform/h/b/scripts/jsd/0b8fb825cb67/main.js? — 200 — 11.7 KiB — 16 ms — h3https://988lifeline.org/cdn-cgi/challenge-platform/h/b/jsd/oneshot/0b8fb825cb67/0.26267945896456757:1776888748:d8ZJUSqLLzxkOsprZnYwJCPyd_cwcfeIlxdsgOjd-T0/9f077ec7aacdaf1b988lifeline.org/cdn-cgi/challenge-p... https://988lifeline.org/cdn-cgi/challenge-platform/h/b/jsd/oneshot/0b8fb825cb67/0.26267945896456757:1776888748:d8ZJUSqLLzxkOsprZnYwJCPyd_cwcfeIlxdsgOjd-T0/9f077ec7aacdaf1b — 200 — 1.0 KiB — 11 ms — h3https://www.googletagmanager.com/gtag/js?id=G-SK9V65XQ5R&cx=c&gtm=4e64k0www.googletagmanager.com/gtag/js?id... https://www.googletagmanager.com/gtag/js?id=G-SK9V65XQ5R&cx=c&gtm=4e64k0 — 200 — 174.3 KiB — 70 ms — h2https://988lifeline.org/wp-content/themes/beast/favicons/favicon.ico?v=2988lifeline.org/wp-content/themes/b... https://988lifeline.org/wp-content/themes/beast/favicons/favicon.ico?v=2 — 200 — 1.7 KiB — 15 ms — h3https://www.google-analytics.com/g/collect?v=2&tid=G-SK9V65XQ5R&gtm=45je64k0v9132216898z89200475452za20gzb9200475452zd9200475452&_p=1776890968528&gcs=G100&gcd=13p3p3p3p5l1&npa=1&dma_cps=-&dma=0&ecid=814309862&_eu=AAAAAGA&are=1&cid=1589583756.1776890969&frm=0&pscdl=denied&rcb=19&sr=800x600&uaa=x86&uab=64&uafvl=Not-A.Brand%3B24.0.0.0%7CChromium%3B146.0.7680.164&uam=&uamb=0&uap=macOS&uapv=10.15.7&uaw=0&ul=en-us&_s=1&tag_exp=0~115616985~115938466~115938469~117266401~117512543~118463262&sid=1776890968&sct=1&seg=0&dl=https%3A%2F%2F988lifeline.org%2F&dt=988%20Lifeline%20-%20If%20you%20need%20emotional%20support%2C%20reach%20out%20to%20the%20national%20mental%20health%20hotline%3A%20988.&en=page_view&_fv=1&_nsi=1&_ss=1&gap.plf=5&tfd=776www.google-analytics.com/g/collect?... https://www.google-analytics.com/g/collect?v=2&tid=G-SK9V65XQ5R&gtm=45je64k0v9132216898z89200475452za20gzb9200475452zd9200475452&_p=1776890968528&gcs=G100&gcd=13p3p3p3p5l1&npa=1&dma_cps=-&dma=0&ecid=814309862&_eu=AAAAAGA&are=1&cid=1589583756.1776890969&frm=0&pscdl=denied&rcb=19&sr=800x600&uaa=x86&uab=64&uafvl=Not-A.Brand%3B24.0.0.0%7CChromium%3B146.0.7680.164&uam=&uamb=0&uap=macOS&uapv=10.15.7&uaw=0&ul=en-us&_s=1&tag_exp=0~115616985~115938466~115938469~117266401~117512543~118463262&sid=1776890968&sct=1&seg=0&dl=https%3A%2F%2F988lifeline.org%2F&dt=988%20Lifeline%20-%20If%20you%20need%20emotional%20support%2C%20reach%20out%20to%20the%20national%20mental%20health%20hotline%3A%20988.&en=page_view&_fv=1&_nsi=1&_ss=1&gap.plf=5&tfd=776 — 204 — 549 B — 46 ms — h2
HTML JavaScript CSS Images Fonts XHR/Fetch Other
Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
100% of JavaScript execution is third-party
First-party Third-party 474ms · 340KB · $6/mo
988lifeline.org
Other
Optional
Execution 182ms
Transfer 42 KB
Monthly Cost $2/mo
Google Tag Manager
Tag Manager
Optional
Execution 96ms
Transfer 174 KB
Unused 41%
Monthly Cost $1/mo
988lifeline.org
Other
Optional
Execution 78ms
Transfer 0 KB
Monthly Cost $1/mo
Unattributable
Other
Optional
Execution 64ms
Transfer 0 KB
Monthly Cost $1/mo
Google Tag Manager
Tag Manager
Optional
Execution 53ms
Transfer 123 KB
Unused 51%
Monthly Cost $1/mo

100% of JavaScript execution time is spent on third-party scripts. Consider auditing which scripts are essential.

Why this matters

When third-party JS execution time exceeds your own, performance gains from frontend work are capped by code you don't own.

Learn more ▾

Every millisecond of third-party JS competes with your own for main-thread time. If their share is bigger than yours, optimization on your code base barely moves the needle. Audit, defer, or remove third-parties before further frontend optimization. Use Lighthouse's third-party audit to identify the worst offenders.

Source: web.dev

51% of Google Tag Manager's code is unused. The script may be loading features you don't use.

Why this matters

Bundle has high unused-code ratio — tree-shaking and route-splitting recover the wasted bytes.

Source: web.dev

How third-party costs are calculated

All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.

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