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Performance

· 15 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
86
GRADE
B
FIX
3
REVIEW
5
PASS
5
INFO
2

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

77
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.
96
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.

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

1.63 s

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

2.63 s

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

0 ms

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

0.037

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

1.92 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.

2.63 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
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 (1.7 MiB of 1.7 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
D
Page Weight Inventory
Action
40 resources · 1.7 MB · 170 KB savings available
FIX
40 resources · 1.7 MB · 170 KB savings available
Warning::
Page weight 711 KB over 1MB target
Got: 1.7 MB Expected: ≤ 1 MB
Info::
~170 KB of savings available
Warning::
39 third-party resources (100% of weight)
Info::
2 resources over 200KB
40 resources · 1.7 MiB · 39 third-party 711.1 KiB over 1MB target
Image 60% · 1.0 MiB
JavaScript 17% · 287.7 KiB
Other 16% · 277.4 KiB
Document 7% · 123.8 KiB
CSS 0% · 643 B

~170.3 KiB of savings available

Remove unused JavaScript: 170.3 KiB
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.

C
Page Weight Budget
Action
1.7 MB transferred, 40 requests
REVIEW
1.7 MB transferred, 40 requests
Info::
Page weighs 4.8 MB (1.7 MB transferred)
Warning::
Images are 1.0 MB — compress or use modern formats
Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
Got: 1.0 MB
Info::
40 HTTP requests
Info::
Estimated 0.36 g CO2 per page load
1.7 MB / 2.4 MB budget
1.7 MB transferred
40 requests
0.36 g CO2 per page load
Images 1.0 MiB 60%
JavaScript 287.7 KiB 17%
Other 275.9 KiB 16%
HTML 118.4 KiB 7%
Other 8.3 KiB 0%
Other 6.3 KiB 0%
CSS 643 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

B
Image Optimization
5 images, 0 KB saveable
REVIEW
5 images, 0 KB saveable
Info::
All images are well-optimized
5 images 1.0 MB
0 oversized -0 KB
4 legacy format
0 missing dimensions CLS risk
B
JS Execution Cost
661ms total JS execution
REVIEW
661ms total JS execution
Warning::
https://qsbr.cf2.quoracdn.net/-4-ans_frontend-rela...: 346ms CPU time
Info::
https://www.quora.com/: 132ms CPU time
Info::
Unattributable: 117ms CPU time
Info::
https://qsbr.cf2.quoracdn.net/-4-ans_frontend-rela...: 65ms CPU time
Warning::
Third-party scripts: 661ms (100% of total)

Main Thread Breakdown

Script Evaluation 48% Other 29% Script Parsing & Compilation 14% Style & Layout 5%
ScriptTotalScriptingParse/CompileParty
https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-common-27-53f0243b822027d4.webpack346ms268ms42ms3rd
https://www.quora.com/132ms5ms6ms3rd
Unattributable117ms7ms0ms3rd
https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-vendor-27-cca0bf7cfab05ad0.webpack65ms26ms18ms3rd
C
JS Bundles
Action
18 scripts, 170 KB unused
REVIEW
18 scripts, 170 KB unused
Warning::
https://accounts.google.com/gsi/client: 68 KB unused (71%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://connect.facebook.net/en_US/bundle/sdk.js/: 50 KB unused (64%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://qsbr.cf2.quoracdn.net/-4-ans_frontend-rela...: 29 KB unused (94%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://qsbr.cf2.quoracdn.net/-4-ans_frontend-rela...: 24 KB unused (93%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 170 KB
170 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://accounts.google.com/gsi/client96 KB68 KB (71%)3rd
https://connect.facebook.net/en_US/bundle/sdk.js/78 KB50 KB (64%)3rd
https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-component-icons-lowpri-27-b3e262ef653a5e59.webpack31 KB29 KB (94%)3rd
https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-common-secondary-27-f08aa9cc17a807af.webpack26 KB24 KB (93%)3rd
https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-common-LoggedOut-27-f0b08b17e7bb0021.webpack0 KB3rd
https://vi.ml314.com/get?eid=93060&tk=XdHaq35KsYPmAPxTo4ANIKy2WMRwai1noxdleKX6DIs3d&fp=0 KB3rd
https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-27-0cd41664c26a66d5.webpack0 KB3rd
blob:https://challenges.cloudflare.com/8381aec1-55af-40b0-8cd3-3aa50280f1ed0 KB3rd
https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-lib-broadcast-27-9b8540bb12cf20e9.webpack4 KB3rd
https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-component-Modals-common-27-cfcc662dc399b4ab.webpack13 KB3rd

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

C
Green Hosting
Action
Whether the site is served from green-energy infrastructure
REVIEW

Green Hosting

No green hosting detected

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
No web fonts (system fonts)
PASS
No web fonts (system fonts)
Info::
No web fonts loaded — system fonts are fastest
No web fonts loaded — system fonts are optimal.
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
40 requests over 6254ms
INFO
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s 6.0 s FCP 1.6 s LCP 2.6 shttps://quora.com// https://quora.com/ — 308 — 411 B — 1.0 s — http/1.1https://www.quora.com/www.quora.com/ https://www.quora.com/ — 200 — 23.8 KiB — 350 ms — h2https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-27-0cd41664c26a66d5.webpackqsbr.cf2.quoracdn.net/-4-ans_fronte... https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-27-0cd41664c26a66d5.webpack — 200 — 0 B — 18 ms — h2https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-vendor-27-cca0bf7cfab05ad0.webpackqsbr.cf2.quoracdn.net/-4-ans_fronte... https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-vendor-27-cca0bf7cfab05ad0.webpack — 200 — 0 B — 34 ms — h2https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-common-27-53f0243b822027d4.webpackqsbr.cf2.quoracdn.net/-4-ans_fronte... https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-common-27-53f0243b822027d4.webpack — 200 — 0 B — 40 ms — h2https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-page-LoginPages-27-bc3088babbff1067.webpackqsbr.cf2.quoracdn.net/-4-ans_fronte... https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-page-LoginPages-27-bc3088babbff1067.webpack — 200 — 0 B — 21 ms — h2https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-common-LoggedOut-27-f0b08b17e7bb0021.webpackqsbr.cf2.quoracdn.net/-4-ans_fronte... https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-common-LoggedOut-27-f0b08b17e7bb0021.webpack — 200 — 0 B — 19 ms — h2https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-main.css-28-3da11ae7ae4b2734.webpackqsbr.cf2.quoracdn.net/-4-ans_fronte... https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-main.css-28-3da11ae7ae4b2734.webpack — 200 — 0 B — 12 ms — h2https://challenges.cloudflare.com/turnstile/v0/api.js?render=explicitchallenges.cloudflare.com/turnstile... https://challenges.cloudflare.com/turnstile/v0/api.js?render=explicit — 302 — 266 B — 244 ms — h3https://qsf.fs.quoracdn.net/-4-ans_frontend_assets.images.home_page_bg_desktop.png-26-4770753d59b970e1.pngqsf.fs.quoracdn.net/-4-ans_frontend... https://qsf.fs.quoracdn.net/-4-ans_frontend_assets.images.home_page_bg_desktop.png-26-4770753d59b970e1.png — 200 — 1.0 MiB — 101 ms — h2https://www.quora.com/ajax/receive_POSTwww.quora.com/ajax/receive_POST https://www.quora.com/ajax/receive_POST — 200 — 836 B — 259 ms — h2https://challenges.cloudflare.com/turnstile/v0/g/b0a7532ac8ec/api.jschallenges.cloudflare.com/turnstile... https://challenges.cloudflare.com/turnstile/v0/g/b0a7532ac8ec/api.js — 200 — 17.3 KiB — 15 ms — h3https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/turnstile/f/ov2/av0/rch/l94dm/0x4AAAAAACs1vyrFg5qfMvyE/auto/fbE/new/flexible?lang=autochallenges.cloudflare.com/cdn-cgi/c... https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/turnstile/f/ov2/av0/rch/l94dm/0x4AAAAAACs1vyrFg5qfMvyE/auto/fbE/new/flexible?lang=auto — 200 — 94.6 KiB — 36 ms — h3https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/cmg/1challenges.cloudflare.com/cdn-cgi/c... https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/cmg/1 — 200 — 209 B — 10 ms — h3https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-component-icons-lowpri-27-b3e262ef653a5e59.webpackqsbr.cf2.quoracdn.net/-4-ans_fronte... https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-component-icons-lowpri-27-b3e262ef653a5e59.webpack — 200 — 31.0 KiB — 18 ms — h2https://qsf.fs.quoracdn.net/-4-ans_frontend_assets.favicon-new.ico-26-e7e93fe0a7fbc991.icoqsf.fs.quoracdn.net/-4-ans_frontend... https://qsf.fs.quoracdn.net/-4-ans_frontend_assets.favicon-new.ico-26-e7e93fe0a7fbc991.ico — 200 — 7.7 KiB — 25 ms — h3blob:https://challenges.cloudflare.com/8381aec1-55af-40b0-8cd3-3aa50280f1edchallenges.cloudflare.com/8381aec1-... blob:https://challenges.cloudflare.com/8381aec1-55af-40b0-8cd3-3aa50280f1ed — -1 — 0 B — 0 ms — https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-lib-broadcast-27-9b8540bb12cf20e9.webpackqsbr.cf2.quoracdn.net/-4-ans_fronte... https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-lib-broadcast-27-9b8540bb12cf20e9.webpack — 200 — 3.5 KiB — 15 ms — h3https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-component-Modals-common-27-cfcc662dc399b4ab.webpackqsbr.cf2.quoracdn.net/-4-ans_fronte... https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-component-Modals-common-27-cfcc662dc399b4ab.webpack — 200 — 13.2 KiB — 21 ms — h3https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-common-secondary-27-f08aa9cc17a807af.webpackqsbr.cf2.quoracdn.net/-4-ans_fronte... https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-common-secondary-27-f08aa9cc17a807af.webpack — 200 — 26.0 KiB — 22 ms — h3https://www.quora.com/ads/eyeo?ch=1&rn=1.4858116682695817www.quora.com/ads/eyeo?ch=1&rn=1.48... https://www.quora.com/ads/eyeo?ch=1&rn=1.4858116682695817 — 200 — 890 B — 264 ms — h3https://www.quora.com/ads/eyeo?ch=2&rn=1.4858116682695817www.quora.com/ads/eyeo?ch=2&rn=1.48... https://www.quora.com/ads/eyeo?ch=2&rn=1.4858116682695817 — 200 — 925 B — 252 ms — h3https://vi.ml314.com/get?eid=93060&tk=XdHaq35KsYPmAPxTo4ANIKy2WMRwai1noxdleKX6DIs3d&fp=vi.ml314.com/get?eid=93060&tk=XdHaq... https://vi.ml314.com/get?eid=93060&tk=XdHaq35KsYPmAPxTo4ANIKy2WMRwai1noxdleKX6DIs3d&fp= — 200 — 439 B — 46 ms — h2https://accounts.google.com/gsi/clientaccounts.google.com/gsi/client https://accounts.google.com/gsi/client — 200 — 96.0 KiB — 45 ms — h2https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-component-Modals-signup-27-24a2d0bcb15a2d03.webpackqsbr.cf2.quoracdn.net/-4-ans_fronte... https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-component-Modals-signup-27-24a2d0bcb15a2d03.webpack — 200 — 17.4 KiB — 19 ms — h3https://www.quora.com/graphql/gql_para_POST?q=facebookAutoLogin_Querywww.quora.com/graphql/gql_para_POST... https://www.quora.com/graphql/gql_para_POST?q=facebookAutoLogin_Query — 200 — 1.1 KiB — 275 ms — h3https://accounts.google.com/gsi/styleaccounts.google.com/gsi/style https://accounts.google.com/gsi/style — 200 — 643 B — 14 ms — h2https://accounts.google.com/gsi/log?client_id=917071888555.apps.googleusercontent.com&as=Hay7H9tpR9ThaCBOok84IogMRV8UPRwT0g15VMKHvtg&bs=IkFetwFTW4x3UMAC46WOvWy5dEWe8OWFhae3dEahm9A&event=onetap.card.prompt.apiCall&enable_itp_optimization=18accounts.google.com/gsi/log?client_... https://accounts.google.com/gsi/log?client_id=917071888555.apps.googleusercontent.com&as=Hay7H9tpR9ThaCBOok84IogMRV8UPRwT0g15VMKHvtg&bs=IkFetwFTW4x3UMAC46WOvWy5dEWe8OWFhae3dEahm9A&event=onetap.card.prompt.apiCall&enable_itp_optimization=18 — 200 — 23 B — 20 ms — h3https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/flow/ov1/2665393735:1776359655:-yZ21BwzAphqzXrHgKcxOX77RkXAL9rAafXdddf9JJc/9ed4efcb1c3e6035/xLwnro.LSUS0Pr_C.I7J0H3U4gXscHTnamOiqAIJFGo-1776360823-1.2.1.1-vdZ5Dhx105C1qq3U_PffM3TdesJLrztyGK69KVsd7uwv9lZOC0n6nLJUyOFSYW18challenges.cloudflare.com/cdn-cgi/c... https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/flow/ov1/2665393735:1776359655:-yZ21BwzAphqzXrHgKcxOX77RkXAL9rAafXdddf9JJc/9ed4efcb1c3e6035/xLwnro.LSUS0Pr_C.I7J0H3U4gXscHTnamOiqAIJFGo-1776360823-1.2.1.1-vdZ5Dhx105C1qq3U_PffM3TdesJLrztyGK69KVsd7uwv9lZOC0n6nLJUyOFSYW18 — 200 — 271.6 KiB — 141 ms — h3blob:https://challenges.cloudflare.com/8466c628-db4f-4287-a7a0-d0487789b9a7challenges.cloudflare.com/8466c628-... blob:https://challenges.cloudflare.com/8466c628-db4f-4287-a7a0-d0487789b9a7 — 200 — -1 B — 22 ms — blob
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s 6.0 s FCP 1.6 s LCP 2.6 shttps://quora.com// https://quora.com/ — 308 — 411 B — 1.0 s — http/1.1https://www.quora.com/www.quora.com/ https://www.quora.com/ — 200 — 23.8 KiB — 350 ms — h2https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-27-0cd41664c26a66d5.webpackqsbr.cf2.quoracdn.net/-4-ans_fronte... https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-27-0cd41664c26a66d5.webpack — 200 — 0 B — 18 ms — h2https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-vendor-27-cca0bf7cfab05ad0.webpackqsbr.cf2.quoracdn.net/-4-ans_fronte... https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-vendor-27-cca0bf7cfab05ad0.webpack — 200 — 0 B — 34 ms — h2https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-common-27-53f0243b822027d4.webpackqsbr.cf2.quoracdn.net/-4-ans_fronte... https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-common-27-53f0243b822027d4.webpack — 200 — 0 B — 40 ms — h2https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-page-LoginPages-27-bc3088babbff1067.webpackqsbr.cf2.quoracdn.net/-4-ans_fronte... https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-page-LoginPages-27-bc3088babbff1067.webpack — 200 — 0 B — 21 ms — h2https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-common-LoggedOut-27-f0b08b17e7bb0021.webpackqsbr.cf2.quoracdn.net/-4-ans_fronte... https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-common-LoggedOut-27-f0b08b17e7bb0021.webpack — 200 — 0 B — 19 ms — h2https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-main.css-28-3da11ae7ae4b2734.webpackqsbr.cf2.quoracdn.net/-4-ans_fronte... https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-main.css-28-3da11ae7ae4b2734.webpack — 200 — 0 B — 12 ms — h2https://challenges.cloudflare.com/turnstile/v0/api.js?render=explicitchallenges.cloudflare.com/turnstile... https://challenges.cloudflare.com/turnstile/v0/api.js?render=explicit — 302 — 266 B — 244 ms — 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h3https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/cmg/1challenges.cloudflare.com/cdn-cgi/c... https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/g/cmg/1 — 200 — 209 B — 10 ms — h3https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-component-icons-lowpri-27-b3e262ef653a5e59.webpackqsbr.cf2.quoracdn.net/-4-ans_fronte... https://qsbr.cf2.quoracdn.net/-4-ans_frontend-relay-rspack-component-icons-lowpri-27-b3e262ef653a5e59.webpack — 200 — 31.0 KiB — 18 ms — h2https://qsf.fs.quoracdn.net/-4-ans_frontend_assets.favicon-new.ico-26-e7e93fe0a7fbc991.icoqsf.fs.quoracdn.net/-4-ans_frontend... https://qsf.fs.quoracdn.net/-4-ans_frontend_assets.favicon-new.ico-26-e7e93fe0a7fbc991.ico — 200 — 7.7 KiB — 25 ms — h3blob:https://challenges.cloudflare.com/8381aec1-55af-40b0-8cd3-3aa50280f1edchallenges.cloudflare.com/8381aec1-... blob:https://challenges.cloudflare.com/8381aec1-55af-40b0-8cd3-3aa50280f1ed — -1 — 0 B — 0 ms — 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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
100% of JavaScript execution is third-party
First-party Third-party 661ms · 24KB · $9/mo
qsbr.cf2.quoracdn.net
Other
Costly
Execution 346ms
Transfer 0 KB
Monthly Cost $5/mo
www.quora.com
Other
Optional
Execution 132ms
Transfer 24 KB
Monthly Cost $2/mo
Unattributable
Other
Optional
Execution 117ms
Transfer 0 KB
Monthly Cost $2/mo
qsbr.cf2.quoracdn.net
Other
Optional
Execution 65ms
Transfer 0 KB
Monthly Cost $1/mo

These scripts may cost more than they're worth

  • qsbr.cf2.quoracdn.net adds 346ms and costs ~$5/month

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

qsbr.cf2.quoracdn.net takes 346ms 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

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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