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Performance

· 15 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
81
GRADE
B
FIX
3
REVIEW
5
PASS
5
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.
86
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.
83
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.

671 ms

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

1.57 s

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

54 ms

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

0.018

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

869 ms

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

1.57 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
5 PASS 5 REVIEW 3 FIX
D
Page Weight Budget
Action
2.4 MB transferred, 41 requests
FIX
2.4 MB transferred, 41 requests
Info::
Page weighs 3.8 MB (2.4 MB transferred)
Warning::
Images are 1.9 MB — compress or use modern formats
Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
Got: 1.9 MB
Info::
41 HTTP requests
Info::
Estimated 0.50 g CO2 per page load
2.4 MB / 2.4 MB budget
2.4 MB transferred
41 requests
0.50 g CO2 per page load
Images 1.9 MiB 77%
JavaScript 345.1 KiB 14%
Fonts 150.9 KiB 6%
CSS 33.4 KiB 1%
Other 25.4 KiB 1%
HTML 2.1 KiB 0%
Other 821 B 0%
0 2.4 MB 4.9 MB
Approaching limit

Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.

Why this matters

Image bandwidth is high — modern formats (WebP/AVIF) and resizing typically cut it 50%+.

Source: web.dev

D
Third-Party Impact
Action
99% third-party, 0 ms blocking
FIX
99% third-party, 0 ms blocking
Warning::
Third-party code accounts for 99% of page weight (2.4 MiB of 2.4 MiB)
Info::
Third-party blocking time is low (0 ms)
99%
First-party Third-party
D
Page Weight Inventory
Action
41 resources · 2.4 MB · 113 KB savings available
FIX
41 resources · 2.4 MB · 113 KB savings available
Warning::
Page weight 1.4 MB over 1MB target
Got: 2.4 MB Expected: ≤ 1 MB
Info::
~113 KB of savings available
Warning::
39 third-party resources (99% of weight)
Info::
2 resources over 200KB
41 resources · 2.4 MiB · 39 third-party 1.4 MiB over 1MB target
Image 77% · 1.9 MiB
JavaScript 14% · 345.1 KiB
Font 6% · 150.9 KiB
CSS 1% · 33.4 KiB
Other 1% · 25.4 KiB
Document 0% · 2.1 KiB

~113.1 KiB of savings available

Remove unused JavaScript: 113.1 KiB
B
Image Optimization
25 images, 0 KB saveable
REVIEW
25 images, 0 KB saveable
Info::
All images are well-optimized
25 images 1.9 MB
0 oversized -0 KB
24 legacy format
0 missing dimensions CLS risk
B
JS Execution Cost
728ms total JS execution
REVIEW
728ms total JS execution
Warning::
https://c.disquscdn.com/next/marketing/js/1.3c02d4...: 300ms CPU time
Info::
https://cmp.osano.com/AzqNQLSp9XcSy1Nx4/3863bb16-7...: 185ms CPU time
Info::
https://disqus.com/: 133ms CPU time
Info::
Unattributable: 109ms CPU time
Warning::
Third-party scripts: 594ms (82% of total)

Main Thread Breakdown

Script Evaluation 44% Style & Layout 25% Other 22% Script Parsing & Compilation 5%
ScriptTotalScriptingParse/CompileParty
https://c.disquscdn.com/next/marketing/js/1.3c02d41b51a282a0c728.js300ms133ms10ms3rd
https://cmp.osano.com/AzqNQLSp9XcSy1Nx4/3863bb16-7170-4494-8eab-2f8e7a8ef10b/osano.js185ms161ms13ms3rd
https://disqus.com/133ms4ms0ms1st
Unattributable109ms2ms0ms3rd
B
JS Bundles
7 scripts, 113 KB unused
REVIEW
7 scripts, 113 KB unused
Warning::
https://c.disquscdn.com/next/marketing/js/1.3c02d4...: 60 KB unused (51%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://c.disquscdn.com/next/marketing/js/2.4b3401...: 28 KB unused (25%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://cmp.osano.com/AzqNQLSp9XcSy1Nx4/3863bb16-7...: 25 KB unused (25%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 113 KB
113 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://c.disquscdn.com/next/marketing/js/1.3c02d41b51a282a0c728.js117 KB60 KB (51%)✓3rd
https://c.disquscdn.com/next/marketing/js/2.4b34012ad5ab502f940f.js113 KB28 KB (25%)✓3rd
https://cmp.osano.com/AzqNQLSp9XcSy1Nx4/3863bb16-7170-4494-8eab-2f8e7a8ef10b/osano.js101 KB25 KB (25%)✓3rd
https://c.disquscdn.com/next/current/marketing/js/entry.js13 KB—✓3rd
blob:https://disqus.com/0d217acc-bf9d-41ce-b94b-4875857cb437-0 KB—✓3rd
https://referrer.disqus.com/juggler/event.js?experiment=default&variant=control&page_referrer=direct&product=dotcom&zone=welcome&object_type=page&object_id=disqus.com%2F&verb=view&event=activity&imp=5t9ulqr1alcs5c&section=default&area=n%2Fa0 KB—✓3rd
https://js.hs-scripts.com/429754.js1 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
Green Hosting
Action
Whether the site is served from green-energy infrastructure
REVIEW

Green Hosting

No green hosting detected

B
HTTP Caching
no-cache, private, must-revalidate, s-maxage=60
REVIEW
no-cache, private, must-revalidate, s-maxage=60
Info::
Cache-Control header is set
Got: no-cache, private, must-revalidate, s-maxage=60
Info::
CDN TTL: 1 minute (s-maxage=60)
Info::
No ETag or Last-Modified header
Conditional requests (304 Not Modified) are not possible without validators.
Cache-Control

no-cache, private, must-revalidate, s-maxage=60

DirectiveValueMeaning
no-cache—Cache but always revalidate first
private—Only browser cache, not CDN/proxy
must-revalidate—Must recheck with server after expiry
s-maxage60CDN caches for 1 minute
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
5 fonts (151 KB)
PASS
5 fonts (151 KB)
Info::
5 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

5

151 KB total

Render-blocking

0

of 5

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 671 ms LCP 1.6 shttps://fonts.gstatic.com/s/lato/v25/S6uyw4BMUTPHvxk.ttfS6uyw4BMUTPHvxk.ttf https://fonts.gstatic.com/s/lato/v25/S6uyw4BMUTPHvxk.ttf — 35.2 KiB — 110 ms — font-display: swaphttps://fonts.gstatic.com/s/lato/v25/S6u9w4BMUTPHh6UVew8.ttfS6u9w4BMUTPHh6UVew8.ttf https://fonts.gstatic.com/s/lato/v25/S6u9w4BMUTPHh6UVew8.ttf — 34.6 KiB — 109 ms — font-display: swaphttps://c.disquscdn.com/next/current/marketing/assets/fonts/icons.woff2icons.woff2 https://c.disquscdn.com/next/current/marketing/assets/fonts/icons.woff2 — 10.6 KiB — 14 ms — font-display: swaphttps://fonts.gstatic.com/s/lato/v25/S6u9w4BMUTPHh50Xew8.ttfS6u9w4BMUTPHh50Xew8.ttf https://fonts.gstatic.com/s/lato/v25/S6u9w4BMUTPHh50Xew8.ttf — 33.7 KiB — 91 ms — font-display: swaphttps://fonts.gstatic.com/s/lato/v25/S6u8w4BMUTPHjxswWw.ttfS6u8w4BMUTPHjxswWw.ttf https://fonts.gstatic.com/s/lato/v25/S6u8w4BMUTPHjxswWw.ttf — 36.8 KiB — 90 ms — font-display: swap
S6uyw4BMUTPHvxk.ttf ttf swap
Size 35 KB
Load time 110 ms
Start 608 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
S6u9w4BMUTPHh6UVew8.ttf ttf swap
Size 35 KB
Load time 109 ms
Start 609 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
icons.woff2 woff2 swap
Size 11 KB
Load time 14 ms
Start 626 ms
Risk FOUT — text flashes from fallback to web font
S6u9w4BMUTPHh50Xew8.ttf ttf swap
Size 34 KB
Load time 91 ms
Start 626 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
S6u8w4BMUTPHjxswWw.ttf ttf swap
Size 37 KB
Load time 90 ms
Start 626 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
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)

Fixing the unchecked items could save ~42 KB and ~84 ms

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
Network Waterfall
41 requests over 859ms
INFO
0 ms 500 ms 1.0 s 1.5 s FCP 671 ms LCP 1.6 shttps://disqus.com// https://disqus.com/ — 200 — 2.1 KiB — 17 ms — http/1.1https://cmp.osano.com/AzqNQLSp9XcSy1Nx4/3863bb16-7170-4494-8eab-2f8e7a8ef10b/osano.jscmp.osano.com/AzqNQLSp9XcSy1Nx4/386... https://cmp.osano.com/AzqNQLSp9XcSy1Nx4/3863bb16-7170-4494-8eab-2f8e7a8ef10b/osano.js — 200 — 100.8 KiB — 27 ms — h3https://c.disquscdn.com/next/current/marketing/js/entry.jsc.disquscdn.com/next/current/market... https://c.disquscdn.com/next/current/marketing/js/entry.js — 200 — 12.5 KiB — 32 ms — h2blob:https://disqus.com/0d217acc-bf9d-41ce-b94b-4875857cb437disqus.com/0d217acc-bf9d-41ce-b94b-... blob:https://disqus.com/0d217acc-bf9d-41ce-b94b-4875857cb437 — 200 — -1 B — 48 ms — blobhttps://disqus.com/next/config.json/next/config.json https://disqus.com/next/config.json — 200 — 25.4 KiB — 7 ms — http/1.1https://c.disquscdn.com/next/marketing/js/1.3c02d41b51a282a0c728.jsc.disquscdn.com/next/marketing/js/1... https://c.disquscdn.com/next/marketing/js/1.3c02d41b51a282a0c728.js — 200 — 117.3 KiB — 24 ms — h2https://c.disquscdn.com/next/marketing/js/2.4b34012ad5ab502f940f.jsc.disquscdn.com/next/marketing/js/2... https://c.disquscdn.com/next/marketing/js/2.4b34012ad5ab502f940f.js — 200 — 113.1 KiB — 29 ms — h2https://c.disquscdn.com/next/current/marketing/css/main.cssc.disquscdn.com/next/current/market... https://c.disquscdn.com/next/current/marketing/css/main.css — 200 — 33.4 KiB — 24 ms — h2https://referrer.disqus.com/juggler/event.js?experiment=default&variant=control&page_referrer=direct&product=dotcom&zone=welcome&object_type=page&object_id=disqus.com%2F&verb=view&event=activity&imp=5t9ulqr1alcs5c&section=default&area=n%2Fareferrer.disqus.com/juggler/event.j... https://referrer.disqus.com/juggler/event.js?experiment=default&variant=control&page_referrer=direct&product=dotcom&zone=welcome&object_type=page&object_id=disqus.com%2F&verb=view&event=activity&imp=5t9ulqr1alcs5c&section=default&area=n%2Fa — 200 — 322 B — 96 ms — http/1.1https://c.disquscdn.com/next/current/marketing/assets/img/brand/disqus-social-icon-light.svgc.disquscdn.com/next/current/market... https://c.disquscdn.com/next/current/marketing/assets/img/brand/disqus-social-icon-light.svg — 200 — 1.5 KiB — 9 ms — h2https://c.disquscdn.com/next/current/marketing/assets/img/home/homepage-hero.avifc.disquscdn.com/next/current/market... https://c.disquscdn.com/next/current/marketing/assets/img/home/homepage-hero.avif — 200 — 39.1 KiB — 22 ms — h2https://c.disquscdn.com/next/current/marketing/assets/img/home/homepage-hero.webpc.disquscdn.com/next/current/market... https://c.disquscdn.com/next/current/marketing/assets/img/home/homepage-hero.webp — 200 — 72.9 KiB — 27 ms — h2https://c.disquscdn.com/next/current/marketing/assets/img/home/homepage-image-1.pngc.disquscdn.com/next/current/market... https://c.disquscdn.com/next/current/marketing/assets/img/home/homepage-image-1.png — 200 — 563.1 KiB — 55 ms — h2https://c.disquscdn.com/next/current/marketing/assets/img/home/homepage-image-2.pngc.disquscdn.com/next/current/market... https://c.disquscdn.com/next/current/marketing/assets/img/home/homepage-image-2.png — 200 — 1.1 MiB — 85 ms — h2https://js.hs-scripts.com/429754.jsjs.hs-scripts.com/429754.js https://js.hs-scripts.com/429754.js — 200 — 1.0 KiB — 110 ms — h2https://c.disquscdn.com/next/current/marketing/assets/img/brand/disqus-logo-blue.svgc.disquscdn.com/next/current/market... https://c.disquscdn.com/next/current/marketing/assets/img/brand/disqus-logo-blue.svg — 200 — 3.1 KiB — 26 ms — h2https://c.disquscdn.com/next/current/marketing/assets/img/home/known-users.pngc.disquscdn.com/next/current/market... https://c.disquscdn.com/next/current/marketing/assets/img/home/known-users.png — 200 — 2.6 KiB — 28 ms — h2https://c.disquscdn.com/next/current/marketing/assets/img/home/protect.pngc.disquscdn.com/next/current/market... https://c.disquscdn.com/next/current/marketing/assets/img/home/protect.png — 200 — 2.6 KiB — 26 ms — h2https://c.disquscdn.com/next/current/marketing/assets/img/home/grow.pngc.disquscdn.com/next/current/market... https://c.disquscdn.com/next/current/marketing/assets/img/home/grow.png — 200 — 2.6 KiB — 27 ms — h2https://c.disquscdn.com/next/current/marketing/assets/img/home/revenue-streams.pngc.disquscdn.com/next/current/market... https://c.disquscdn.com/next/current/marketing/assets/img/home/revenue-streams.png — 200 — 2.8 KiB — 28 ms — h2https://c.disquscdn.com/next/current/marketing/assets/img/logos/tmz.pngc.disquscdn.com/next/current/market... https://c.disquscdn.com/next/current/marketing/assets/img/logos/tmz.png — 200 — 2.6 KiB — 69 ms — h2https://c.disquscdn.com/next/current/marketing/assets/img/logos/bloomberg.pngc.disquscdn.com/next/current/market... https://c.disquscdn.com/next/current/marketing/assets/img/logos/bloomberg.png — 200 — 11.3 KiB — 62 ms — h2https://c.disquscdn.com/next/current/marketing/assets/img/logos/peopleInc.pngc.disquscdn.com/next/current/market... https://c.disquscdn.com/next/current/marketing/assets/img/logos/peopleInc.png — 200 — 3.3 KiB — 67 ms — h2https://c.disquscdn.com/next/current/marketing/assets/img/logos/downDetector.pngc.disquscdn.com/next/current/market... https://c.disquscdn.com/next/current/marketing/assets/img/logos/downDetector.png — 200 — 3.6 KiB — 68 ms — h2https://c.disquscdn.com/next/current/marketing/assets/img/logos/fansided.pngc.disquscdn.com/next/current/market... https://c.disquscdn.com/next/current/marketing/assets/img/logos/fansided.png — 200 — 5.3 KiB — 67 ms — h2https://c.disquscdn.com/next/current/marketing/assets/img/logos/immediateMedia.pngc.disquscdn.com/next/current/market... https://c.disquscdn.com/next/current/marketing/assets/img/logos/immediateMedia.png — 200 — 5.1 KiB — 73 ms — h2https://c.disquscdn.com/next/current/marketing/assets/img/logos/spectator.pngc.disquscdn.com/next/current/market... https://c.disquscdn.com/next/current/marketing/assets/img/logos/spectator.png — 200 — 4.9 KiB — 67 ms — h2https://c.disquscdn.com/next/current/marketing/assets/img/logos/nationalFootballLeague.pngc.disquscdn.com/next/current/market... https://c.disquscdn.com/next/current/marketing/assets/img/logos/nationalFootballLeague.png — 200 — 25.4 KiB — 67 ms — h2https://c.disquscdn.com/next/current/marketing/assets/img/logos/prisa.pngc.disquscdn.com/next/current/market... https://c.disquscdn.com/next/current/marketing/assets/img/logos/prisa.png — 200 — 7.2 KiB — 71 ms — h2https://c.disquscdn.com/next/current/marketing/assets/img/logos/nytWirecutter.pngc.disquscdn.com/next/current/market... https://c.disquscdn.com/next/current/marketing/assets/img/logos/nytWirecutter.png — 200 — 4.5 KiB — 76 ms — h2
0 ms 500 ms 1.0 s 1.5 s FCP 671 ms LCP 1.6 shttps://disqus.com// https://disqus.com/ — 200 — 2.1 KiB — 17 ms — http/1.1https://cmp.osano.com/AzqNQLSp9XcSy1Nx4/3863bb16-7170-4494-8eab-2f8e7a8ef10b/osano.jscmp.osano.com/AzqNQLSp9XcSy1Nx4/386... https://cmp.osano.com/AzqNQLSp9XcSy1Nx4/3863bb16-7170-4494-8eab-2f8e7a8ef10b/osano.js — 200 — 100.8 KiB — 27 ms — h3https://c.disquscdn.com/next/current/marketing/js/entry.jsc.disquscdn.com/next/current/market... https://c.disquscdn.com/next/current/marketing/js/entry.js — 200 — 12.5 KiB — 32 ms — h2blob:https://disqus.com/0d217acc-bf9d-41ce-b94b-4875857cb437disqus.com/0d217acc-bf9d-41ce-b94b-... blob:https://disqus.com/0d217acc-bf9d-41ce-b94b-4875857cb437 — 200 — -1 B — 48 ms — blobhttps://disqus.com/next/config.json/next/config.json https://disqus.com/next/config.json — 200 — 25.4 KiB — 7 ms — http/1.1https://c.disquscdn.com/next/marketing/js/1.3c02d41b51a282a0c728.jsc.disquscdn.com/next/marketing/js/1... https://c.disquscdn.com/next/marketing/js/1.3c02d41b51a282a0c728.js — 200 — 117.3 KiB — 24 ms — h2https://c.disquscdn.com/next/marketing/js/2.4b34012ad5ab502f940f.jsc.disquscdn.com/next/marketing/js/2... https://c.disquscdn.com/next/marketing/js/2.4b34012ad5ab502f940f.js — 200 — 113.1 KiB — 29 ms — h2https://c.disquscdn.com/next/current/marketing/css/main.cssc.disquscdn.com/next/current/market... https://c.disquscdn.com/next/current/marketing/css/main.css — 200 — 33.4 KiB — 24 ms — h2https://referrer.disqus.com/juggler/event.js?experiment=default&variant=control&page_referrer=direct&product=dotcom&zone=welcome&object_type=page&object_id=disqus.com%2F&verb=view&event=activity&imp=5t9ulqr1alcs5c&section=default&area=n%2Fareferrer.disqus.com/juggler/event.j... https://referrer.disqus.com/juggler/event.js?experiment=default&variant=control&page_referrer=direct&product=dotcom&zone=welcome&object_type=page&object_id=disqus.com%2F&verb=view&event=activity&imp=5t9ulqr1alcs5c&section=default&area=n%2Fa — 200 — 322 B — 96 ms — http/1.1https://c.disquscdn.com/next/current/marketing/assets/img/brand/disqus-social-icon-light.svgc.disquscdn.com/next/current/market... https://c.disquscdn.com/next/current/marketing/assets/img/brand/disqus-social-icon-light.svg — 200 — 1.5 KiB — 9 ms — h2https://c.disquscdn.com/next/current/marketing/assets/img/home/homepage-hero.avifc.disquscdn.com/next/current/market... https://c.disquscdn.com/next/current/marketing/assets/img/home/homepage-hero.avif — 200 — 39.1 KiB — 22 ms — h2https://c.disquscdn.com/next/current/marketing/assets/img/home/homepage-hero.webpc.disquscdn.com/next/current/market... https://c.disquscdn.com/next/current/marketing/assets/img/home/homepage-hero.webp — 200 — 72.9 KiB — 27 ms — h2https://c.disquscdn.com/next/current/marketing/assets/img/home/homepage-image-1.pngc.disquscdn.com/next/current/market... https://c.disquscdn.com/next/current/marketing/assets/img/home/homepage-image-1.png — 200 — 563.1 KiB — 55 ms — h2https://c.disquscdn.com/next/current/marketing/assets/img/home/homepage-image-2.pngc.disquscdn.com/next/current/market... https://c.disquscdn.com/next/current/marketing/assets/img/home/homepage-image-2.png — 200 — 1.1 MiB — 85 ms — h2https://js.hs-scripts.com/429754.jsjs.hs-scripts.com/429754.js https://js.hs-scripts.com/429754.js — 200 — 1.0 KiB — 110 ms — h2https://c.disquscdn.com/next/current/marketing/assets/img/brand/disqus-logo-blue.svgc.disquscdn.com/next/current/market... https://c.disquscdn.com/next/current/marketing/assets/img/brand/disqus-logo-blue.svg — 200 — 3.1 KiB — 26 ms — h2https://c.disquscdn.com/next/current/marketing/assets/img/home/known-users.pngc.disquscdn.com/next/current/market... 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HTML JavaScript CSS Images Fonts XHR/Fetch Other
Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
82% of JavaScript execution is third-party
First-party Third-party 594ms · 218KB · €6/mo
c.disquscdn.com
Other
Costly
Execution 300ms
Transfer 117 KB
Unused 51%
Monthly Cost €3/mo
cmp.osano.com
Other
Optional
Execution 185ms
Transfer 101 KB
Unused 25%
Monthly Cost €2/mo
Unattributable
Other
Optional
Execution 109ms
Transfer 0 KB
Monthly Cost €1/mo

These scripts may cost more than they're worth

  • c.disquscdn.com adds 300ms and costs ~€3/month

82% 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

c.disquscdn.com takes 300ms 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

51% of c.disquscdn.com'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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