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Performance

· 16 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
74
GRADE
C
FIX
4
REVIEW
2
PASS
8
INFO
2

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

Mobile Desktop
26
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
93
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
100
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.

12.68 s

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

24.12 s

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

2.76 s

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

0.000

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

12.68 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.

25.61 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
16
8 PASS 2 REVIEW 4 FIX
F
Page Weight Budget
Action
3.9 MB transferred, 93 requests
FIX
3.9 MB transferred, 93 requests
Warning::
Page weighs 10.9 MB (3.9 MB transferred)
Warning::
JavaScript is 2.6 MB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 2.6 MB
Info::
93 HTTP requests
Info::
Estimated 0.81 g CO2 per page load
3.9 MB / 2.4 MB budget
3.9 MB transferred
93 requests
0.81 g CO2 per page load
JavaScript 2.6 MiB 66%
Images 887.8 KiB 22%
HTML 145.6 KiB 4%
Fonts 133.4 KiB 3%
CSS 66.3 KiB 2%
Other 63.2 KiB 2%
Other 23.8 KiB 1%
Other 15.3 KiB 0%
Other 1012 B 0%
Other 0 B 0%
0 2.4 MB 4.9 MB
Over budget

Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.

Why this matters

JavaScript bundle is large — code-split routes and lazy-load off-screen components to defer.

Source: web.dev

F
JS Execution Cost
Action
8235ms total JS execution
FIX
8235ms total JS execution
Warning::
https://www.axios.com/_next/static/chunks/pages/_a...: 1843ms CPU time
Warning::
https://www.googletagmanager.com/gtm.js?id=GTM-TNF...: 1397ms CPU time
Warning::
https://www.axios.com/_next/static/chunks/framewor...: 1249ms CPU time
Warning::
Unattributable: 867ms CPU time
Warning::
https://securepubads.g.doubleclick.net/pagead/mana...: 485ms CPU time
Warning::
Third-party scripts: 4274ms (52% of total)

Main Thread Breakdown

Script Evaluation 68% Script Parsing & Compilation 11% Other 10% Style & Layout 7%
ScriptTotalScriptingParse/CompileParty
https://www.axios.com/_next/static/chunks/pages/_app-013671de2d7f5905.js1843ms1328ms512ms1st
https://www.googletagmanager.com/gtm.js?id=GTM-TNFK7341397ms1185ms51ms3rd
https://www.axios.com/_next/static/chunks/framework-d57fa332274b7d65.js1249ms1094ms13ms1st
Unattributable867ms166ms0ms3rd
https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202604020101/pubads_impl.js485ms399ms43ms3rd
https://static.axios.com/js/ehawk/EHawkTalon.js472ms280ms9ms3rd
https://www.axios.com/467ms12ms1ms1st
https://www.googletagmanager.com/gtag/js?id=G-L57KHWNV81&cx=c&gtm=4e6460336ms279ms55ms3rd
https://www.axios.com/_next/static/chunks/vendor-chunk-db3f5e6aed9388c5.js253ms184ms25ms1st
https://js.stripe.com/clover/stripe.js213ms134ms78ms3rd

Showing top 10 of 17 scripts

F
JS Bundles
Action
39 scripts, 1.2 MB unused
FIX
39 scripts, 1.2 MB unused
Warning::
https://www.axios.com/_next/static/chunks/pages/_a...: 675 KB unused (55%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://js.stripe.com/clover/stripe.js: 160 KB unused (73%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://securepubads.g.doubleclick.net/pagead/mana...: 104 KB unused (57%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtm.js?id=GTM-TNF...: 73 KB unused (42%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtag/js?id=G-L57K...: 65 KB unused (38%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 1.2 MB
1237 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.axios.com/_next/static/chunks/pages/_app-013671de2d7f5905.js1247 KB675 KB (55%)✓1st
https://js.stripe.com/clover/stripe.js220 KB160 KB (73%)✓3rd
https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202604020101/pubads_impl.js183 KB104 KB (57%)✓3rd
https://www.googletagmanager.com/gtm.js?id=GTM-TNFK734175 KB73 KB (42%)✓3rd
https://www.googletagmanager.com/gtag/js?id=G-L57KHWNV81&cx=c&gtm=4e6460171 KB65 KB (38%)✓3rd
https://connect.facebook.net/en_US/bundle/sdk.js/78 KB54 KB (70%)✓3rd
https://www.axios.com/_next/static/chunks/vendor-chunk-db3f5e6aed9388c5.js75 KB49 KB (66%)✓1st
https://www.instagram.com/embed.js34 KB33 KB (98%)✓3rd
https://privacy.axios.com/fides.js?property_id=FDS-LGCSXF53 KB24 KB (45%)✓3rd
https://static.adsafeprotected.com/iasPET.1.js7 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

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

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
Third-Party Impact
59% third-party, 0 ms blocking
REVIEW
59% third-party, 0 ms blocking
Warning::
Third-party code accounts for 59% of page weight (2.3 MiB of 3.9 MiB)
Info::
Third-party blocking time is low (0 ms)
41%
59%
First-party Third-party
B
Image Optimization
19 images, 0 KB saveable
REVIEW
19 images, 0 KB saveable
Info::
All images are well-optimized
19 images 888 KB
0 oversized -0 KB
4 legacy format
0 missing dimensions CLS risk
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+
Font Loading
6 fonts (133 KB)
PASS
6 fonts (133 KB)
Info::
6 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

6

133 KB total

Render-blocking

0

of 6

Dominant font-display

swap

Most common across fonts

Font loading timeline
Transfer FOIT (block) FOUT (swap)
0 ms 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s 12.0 s 14.0 s 16.0 s 18.0 s 20.0 s 22.0 s 24.0 s FCP 12.7 s LCP 24.1 shttps://static.axios.com/fonts/axios-site/nb_international_pro_book.woff2nb_international_pro_bo... https://static.axios.com/fonts/axios-site/nb_international_pro_book.woff2 — 20.8 KiB — 0 ms — font-display: swaphttps://static.axios.com/fonts/axios-site/nb_international_pro_regular.woff2nb_international_pro_re... https://static.axios.com/fonts/axios-site/nb_international_pro_regular.woff2 — 21.5 KiB — 0 ms — font-display: swaphttps://static.axios.com/fonts/axios-site/nb_international_pro_bold.woff2nb_international_pro_bo... https://static.axios.com/fonts/axios-site/nb_international_pro_bold.woff2 — 19.6 KiB — 0 ms — font-display: swaphttps://static.axios.com/fonts/axios-site/atiza/atizatext-regular-webfont.woff2atizatext-regular-webfo... https://static.axios.com/fonts/axios-site/atiza/atizatext-regular-webfont.woff2 — 25.8 KiB — 0 ms — font-display: swaphttps://static.axios.com/fonts/axios-site/nb_international_pro_light.woff2nb_international_pro_li... https://static.axios.com/fonts/axios-site/nb_international_pro_light.woff2 — 20.4 KiB — 0 ms — font-display: swaphttps://static.axios.com/fonts/axios-site/atiza/atizatext-bold-webfont.woff2atizatext-bold-webfont.... https://static.axios.com/fonts/axios-site/atiza/atizatext-bold-webfont.woff2 — 25.3 KiB — 0 ms — font-display: swap
nb_international_pro_bo... woff2 swap
Size 21 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
nb_international_pro_re... woff2 swap
Size 21 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
nb_international_pro_bo... woff2 swap
Size 20 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
atizatext-regular-webfo... woff2 swap
Size 26 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
nb_international_pro_li... woff2 swap
Size 20 KB
Load time 0 ms
Start 0 ms
Risk FOUT — text flashes from fallback to web font
atizatext-bold-webfont.... woff2 swap
Size 25 KB
Load time 0 ms
Start 0 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+
Render-Blocking Resources
No render-blocking resources detected
PASS
No render-blocking resources detected
Info::
No render-blocking resources detected in <head>
A+
Third-Party Resources
No third-party resources detected
PASS
No third-party resources detected
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
93 requests over 0ms
INFO

Performance analysis not available for this result.

Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
52% of JavaScript execution is third-party
First-party Third-party 4274ms · 1018KB · $57/mo
Google Tag Manager
Tag Manager
Costly
Execution 1397ms
Transfer 175 KB
Unused 42%
Monthly Cost $19/mo
Unattributable
Other
Costly
Execution 867ms
Transfer 0 KB
Monthly Cost $12/mo
securepubads.g.doubleclick.net
Other
Costly
Execution 485ms
Transfer 183 KB
Unused 57%
Monthly Cost $6/mo
static.axios.com
Other
Costly
Execution 472ms
Transfer 36 KB
Monthly Cost $6/mo
Google Tag Manager
Tag Manager
Costly
Execution 336ms
Transfer 171 KB
Unused 38%
Monthly Cost $4/mo
Stripe
Payment
Essential
Execution 213ms
Transfer 220 KB
Unused 73%
Monthly Cost $3/mo
Facebook Pixel
Advertising
Optional
Execution 115ms
Transfer 78 KB
Unused 70%
Monthly Cost $2/mo
privacy.axios.com
Other
Optional
Execution 90ms
Transfer 53 KB
Unused 45%
Monthly Cost $1/mo
cdn.parsely.com
Other
Optional
Execution 86ms
Transfer 21 KB
Monthly Cost $1/mo
Google Analytics
Analytics
Optional
Execution 85ms
Transfer 21 KB
Monthly Cost $1/mo
securepubads.g.doubleclick.net
Other
Optional
Execution 64ms
Transfer 34 KB
Monthly Cost $1/mo
Twitter/X Embed
Social
Optional
Execution 64ms
Transfer 27 KB
Monthly Cost $1/mo

These scripts may cost more than they're worth

  • Google Tag Manager adds 1397ms and costs ~$19/month
  • Unattributable adds 867ms and costs ~$12/month
  • securepubads.g.doubleclick.net adds 485ms and costs ~$6/month
  • static.axios.com adds 472ms and costs ~$6/month
  • Google Tag Manager adds 336ms and costs ~$4/month

52% of JavaScript execution time comes from third-party scripts.

Why this matters

Third-party scripts (analytics, ads, social, A/B testing) often dominate execution time — every one is a perf-and-privacy tax.

Learn more ▾

Each third-party script is a black box: you don't control when it loads, what it executes, or how much it grows. They often account for a major share of total blocking time on average sites (HTTP Archive's Web Almanac documents the trend). Audit which ones you actually need, defer the rest, and use facade patterns (lite-youtube, lite-vimeo) for embedded media.

Source: web.dev / HTTP Archive Web Almanac

Google Tag Manager takes 1397ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.

Why this matters

This script has high main-thread execution time — optimize hot paths or defer.

Source: web.dev

Unattributable takes 867ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.

Why this matters

This script has high main-thread execution time — optimize hot paths or defer.

Source: web.dev

securepubads.g.doubleclick.net takes 485ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.

Why this matters

This script has high main-thread execution time — optimize hot paths or defer.

Source: web.dev

57% of securepubads.g.doubleclick.net'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

static.axios.com takes 472ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.

Why this matters

This script has high main-thread execution time — optimize hot paths or defer.

Source: web.dev

Google Tag Manager takes 336ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.

Why this matters

This script has high main-thread execution time — optimize hot paths or defer.

Source: web.dev

73% of Stripe'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

70% of Facebook Pixel'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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