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Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
83
GRADE
B
FIX
2
REVIEW
4
PASS
9
INFO
2

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

Mobile Desktop
54
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.

5.35 s

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

6.69 s

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

384 ms

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.

5.35 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.

10.39 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
17
9 PASS 4 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 (983.4 KiB of 983.5 KiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
D
JS Bundles
Action
28 scripts, 404 KB unused
FIX
28 scripts, 404 KB unused
Warning::
https://www.gstatic.com/recaptcha/releases/gTpTIWh...: 242 KB unused (67%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtag/js?id=G-8TB6...: 69 KB unused (42%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtag/js?id=G-L27D...: 63 KB unused (40%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://serv90.com/ab47fe78.js: 30 KB unused (80%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 404 KB
404 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.gstatic.com/recaptcha/releases/gTpTIWhbKpxADzTzkcabhXN4/recaptcha__en.js362 KB242 KB (67%)✓3rd
https://www.googletagmanager.com/gtag/js?id=G-8TB61LMJKC&cx=c&_slc=1165 KB69 KB (42%)✓3rd
https://www.googletagmanager.com/gtag/js?id=G-L27DQL6RCD158 KB63 KB (40%)✓3rd
https://serv90.com/ab47fe78.js37 KB30 KB (80%)✓3rd
https://static.4shared.com/js/plugins/favicon.4min.js?ver=5897912031 KB—✓3rd
https://static.4shared.com/js/bottomSheets/bottomsheets.4min.js?ver=3146710840 KB—✓3rd
https://static.4shared.com/js/plugins/bootstrap/js/bootstrap.min.js?ver=-201641365410 KB—✓3rd
https://static.4shared.com/js/jquery/jquery-1.9.1.4min.js?ver=196567617636 KB—✓3rd
https://static.4shared.com/js/plugins/jquery.localStorage.4min.js?ver=-15350721971 KB—✓3rd
https://static.4shared.com/js/plugins/jquery.tipTip.4min.js?ver=4247558201 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

B
Image Optimization
23 images, 0 KB saveable
REVIEW
23 images, 0 KB saveable
Info::
All images are well-optimized
23 images 27 KB
0 oversized -0 KB
23 legacy format
0 missing dimensions CLS risk
C
JS Execution Cost
Action
1435ms total JS execution
REVIEW
1435ms total JS execution
Warning::
Unattributable: 359ms CPU time
Warning::
https://www.googletagmanager.com/gtag/js?id=G-8TB6...: 298ms CPU time
Warning::
https://www.googletagmanager.com/gtag/js?id=G-L27D...: 261ms CPU time
Info::
https://www.gstatic.com/recaptcha/releases/gTpTIWh...: 164ms CPU time
Info::
https://static.4shared.com/js/jquery/jquery-1.9.1....: 146ms CPU time
Warning::
Third-party scripts: 1435ms (100% of total)

Main Thread Breakdown

Script Evaluation 47% Other 26% Script Parsing & Compilation 16% Style & Layout 7%
ScriptTotalScriptingParse/CompileParty
Unattributable359ms8ms0ms3rd
https://www.googletagmanager.com/gtag/js?id=G-8TB61LMJKC&cx=c&_slc=1298ms233ms53ms3rd
https://www.googletagmanager.com/gtag/js?id=G-L27DQL6RCD261ms207ms52ms3rd
https://www.gstatic.com/recaptcha/releases/gTpTIWhbKpxADzTzkcabhXN4/recaptcha__en.js164ms88ms76ms3rd
https://static.4shared.com/js/jquery/jquery-1.9.1.4min.js?ver=1965676176146ms68ms13ms3rd
https://www.4shared.com/126ms22ms6ms3rd
https://ssl.google-analytics.com/analytics.js81ms53ms16ms3rd
B
Page Weight Inventory
69 resources · 983 KB · 404 KB savings available
REVIEW
69 resources · 983 KB · 404 KB savings available
Info::
Within 1MB page-weight target
Got: 983 KB
Info::
~404 KB of savings available
Warning::
68 third-party resources (100% of weight)
Info::
1 resources over 200KB
69 resources · 983.5 KiB · 68 third-party Within 1MB page-weight target
JavaScript 86% · 845.0 KiB
Document 4% · 43.3 KiB
Font 4% · 36.7 KiB
CSS 3% · 28.5 KiB
Image 3% · 28.2 KiB
Other 0% · 1.8 KiB

~404.2 KiB of savings available

Remove unused JavaScript: 404.2 KiB
C
Green Hosting
Action
Whether the site is served from green-energy infrastructure
REVIEW

Green Hosting

No green hosting detected

A
Page Weight Budget
983 KB transferred, 69 requests
PASS
983 KB transferred, 69 requests
Info::
Page weighs 2.4 MB (983 KB transferred)
Warning::
JavaScript is 845 KB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 845 KB
Info::
69 HTTP requests
Info::
Estimated 0.20 g CO2 per page load
983 KB / 2.4 MB budget
983 KB transferred
69 requests
0.20 g CO2 per page load
JavaScript 845.0 KiB 86%
HTML 43.2 KiB 4%
Fonts 36.7 KiB 4%
CSS 28.5 KiB 3%
Images 26.7 KiB 3%
Other 1.5 KiB 0%
Other 645 B 0%
Other 630 B 0%
Other 606 B 0%
0 2.4 MB 4.9 MB
Under 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

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
1 fonts (37 KB)
PASS
1 fonts (37 KB)
Info::
1 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

1

37 KB total

Render-blocking

0

of 1

Dominant font-display

swap

Most common across fonts

Font loading timeline
Transfer FOIT (block) FOUT (swap)
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s 6.0 s 7.0 s FCP 5.3 s LCP 6.7 shttps://fonts.gstatic.com/s/roboto/v51/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2KFO7CnqEu92Fr1ME7kSn66a... https://fonts.gstatic.com/s/roboto/v51/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2 — 36.7 KiB — 35 ms — font-display: swap
KFO7CnqEu92Fr1ME7kSn66a... woff2 swap
Size 37 KB
Load time 35 ms
Start 1.3 s
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
2 hints, 0 missing preconnects
PASS
2 hints, 0 missing preconnects
Info::
Page uses 2 resource hint(s)

Current Resource Hints

preconnect
2
preload
—
dns-prefetch
—
prefetch
—

2 resource hints configured

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
HTTP Caching
max-age=31536000 (52 weeks)
PASS
max-age=31536000 (52 weeks)
Info::
Cache-Control header is set
Got: max-age=31536000, public
Info::
Effective TTL: 52 weeks (max-age=31536000)
Info::
No ETag or Last-Modified header
Conditional requests (304 Not Modified) are not possible without validators.
Cache-Control

max-age=31536000, public

DirectiveValueMeaning
max-age31536000Cache for 52 weeks
public—Any cache may store this response
Effective TTL: 31536000 seconds
Network Waterfall
69 requests over 2194ms
INFO
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s 6.0 s 7.0 s FCP 5.3 s LCP 6.7 shttps://4shared.com// https://4shared.com/ — 301 — 107 B — 387 ms — h2https://www.4shared.com/www.4shared.com/ https://www.4shared.com/ — 200 — 43.2 KiB — 832 ms — http/1.1https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&display=swapfonts.googleapis.com/css2?family=Ro... https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&display=swap — 200 — 2.1 KiB — 95 ms — h2https://static.4shared.com/css/indexNew.4min.css?ver=822487028static.4shared.com/css/indexNew.4mi... https://static.4shared.com/css/indexNew.4min.css?ver=822487028 — 200 — 2.5 KiB — 293 ms — h2https://static.4shared.com/css/gridAndLibrary.4min.css?ver=904387394static.4shared.com/css/gridAndLibra... https://static.4shared.com/css/gridAndLibrary.4min.css?ver=904387394 — 200 — 6.0 KiB — 163 ms — h2https://static.4shared.com/css/headerAndFooterResponsive.4min.css?ver=768287826static.4shared.com/css/headerAndFoo... https://static.4shared.com/css/headerAndFooterResponsive.4min.css?ver=768287826 — 200 — 7.6 KiB — 288 ms — h2https://static.4shared.com/css/headerNew.4min.css?ver=1999692565static.4shared.com/css/headerNew.4m... https://static.4shared.com/css/headerNew.4min.css?ver=1999692565 — 200 — 5.2 KiB — 290 ms — h2https://static.4shared.com/css/tipTip.4min.css?ver=-1558254190static.4shared.com/css/tipTip.4min.... https://static.4shared.com/css/tipTip.4min.css?ver=-1558254190 — 200 — 532 B — 291 ms — h2https://static.4shared.com/js/jquery/jquery-1.9.1.4min.js?ver=1965676176static.4shared.com/js/jquery/jquery... https://static.4shared.com/js/jquery/jquery-1.9.1.4min.js?ver=1965676176 — 200 — 35.9 KiB — 412 ms — h2https://static.4shared.com/js/jquery/jquery-migrate-1.2.1.4min.js?ver=-1518983214static.4shared.com/js/jquery/jquery... https://static.4shared.com/js/jquery/jquery-migrate-1.2.1.4min.js?ver=-1518983214 — 200 — 3.3 KiB — 414 ms — h2https://static.4shared.com/js/headerNew.4min.js?ver=1935412084static.4shared.com/js/headerNew.4mi... https://static.4shared.com/js/headerNew.4min.js?ver=1935412084 — 200 — 4.6 KiB — 415 ms — h2https://static.4shared.com/js/headerSearch.4min.js?ver=-448467807static.4shared.com/js/headerSearch.... https://static.4shared.com/js/headerSearch.4min.js?ver=-448467807 — 200 — 2.8 KiB — 415 ms — h2https://static.4shared.com/js/Events.4min.js?ver=-1265666699static.4shared.com/js/Events.4min.j... https://static.4shared.com/js/Events.4min.js?ver=-1265666699 — 200 — 455 B — 417 ms — h2https://static.4shared.com/js/utils.4min.js?ver=1202740634static.4shared.com/js/utils.4min.js... https://static.4shared.com/js/utils.4min.js?ver=1202740634 — 200 — 9.0 KiB — 418 ms — h2https://static.4shared.com/js/plugins/bootstrap/js/bootstrap.min.js?ver=-2016413654static.4shared.com/js/plugins/boots... https://static.4shared.com/js/plugins/bootstrap/js/bootstrap.min.js?ver=-2016413654 — 200 — 9.7 KiB — 418 ms — h2https://static.4shared.com/js/plugins/favicon.4min.js?ver=589791203static.4shared.com/js/plugins/favic... https://static.4shared.com/js/plugins/favicon.4min.js?ver=589791203 — 200 — 853 B — 420 ms — h2https://static.4shared.com/js/plugins/jquery.localStorage.4min.js?ver=-1535072197static.4shared.com/js/plugins/jquer... https://static.4shared.com/js/plugins/jquery.localStorage.4min.js?ver=-1535072197 — 200 — 1.1 KiB — 421 ms — h2https://static.4shared.com/js/plugins/jquery.tipTip.4min.js?ver=424755820static.4shared.com/js/plugins/jquer... https://static.4shared.com/js/plugins/jquery.tipTip.4min.js?ver=424755820 — 200 — 1.3 KiB — 422 ms — h2https://static.4shared.com/js/plugins/jquery.cookie.4min.js?ver=823523918static.4shared.com/js/plugins/jquer... https://static.4shared.com/js/plugins/jquery.cookie.4min.js?ver=823523918 — 200 — 561 B — 423 ms — h2https://static.4shared.com/js/plugins/jquery.timeago.4min.js?ver=1007035806static.4shared.com/js/plugins/jquer... https://static.4shared.com/js/plugins/jquery.timeago.4min.js?ver=1007035806 — 200 — 1.1 KiB — 424 ms — h2https://static.4shared.com/js/plugins/timeago_i18n/jquery.timeago.fr.4min.js?ver=170686365static.4shared.com/js/plugins/timea... https://static.4shared.com/js/plugins/timeago_i18n/jquery.timeago.fr.4min.js?ver=170686365 — 200 — 331 B — 547 ms — h2https://serv90.com/ab47fe78.jsserv90.com/ab47fe78.js https://serv90.com/ab47fe78.js — 200 — 37.3 KiB — 523 ms — http/1.1https://www.googletagmanager.com/gtag/js?id=G-L27DQL6RCDwww.googletagmanager.com/gtag/js?id... https://www.googletagmanager.com/gtag/js?id=G-L27DQL6RCD — 200 — 157.6 KiB — 142 ms — h2https://static.4shared.com/css/bottomSheets.4min.css?ver=-477151684static.4shared.com/css/bottomSheets... https://static.4shared.com/css/bottomSheets.4min.css?ver=-477151684 — 200 — 3.6 KiB — 435 ms — h2https://static.4shared.com/js/bottomSheets/bottomsheets.4min.js?ver=314671084static.4shared.com/js/bottomSheets/... https://static.4shared.com/js/bottomSheets/bottomsheets.4min.js?ver=314671084 — 200 — 368 B — 435 ms — h2https://static.4shared.com/js/bottomSheets/BS_signIn.4min.js?ver=-1384269618static.4shared.com/js/bottomSheets/... https://static.4shared.com/js/bottomSheets/BS_signIn.4min.js?ver=-1384269618 — 200 — 4.4 KiB — 435 ms — h2https://www.google.com/recaptcha/api.js?render=explicitwww.google.com/recaptcha/api.js?ren... https://www.google.com/recaptcha/api.js?render=explicit — 200 — 1013 B — 69 ms — h3https://static.4shared.com/css/popup_n.4min.css?ver=-1713622631static.4shared.com/css/popup_n.4min... https://static.4shared.com/css/popup_n.4min.css?ver=-1713622631 — 200 — 1.1 KiB — 431 ms — h2https://static.4shared.com/js/PopupModule.4min.js?ver=-1677196418static.4shared.com/js/PopupModule.4... https://static.4shared.com/js/PopupModule.4min.js?ver=-1677196418 — 200 — 1.3 KiB — 432 ms — h2https://static.4shared.com/js/plupload/plupload.4min.js?ver=553630544static.4shared.com/js/plupload/plup... https://static.4shared.com/js/plupload/plupload.4min.js?ver=553630544 — 200 — 4.4 KiB — 432 ms — h2
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s 6.0 s 7.0 s FCP 5.3 s LCP 6.7 shttps://4shared.com// https://4shared.com/ — 301 — 107 B — 387 ms — h2https://www.4shared.com/www.4shared.com/ https://www.4shared.com/ — 200 — 43.2 KiB — 832 ms — http/1.1https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&display=swapfonts.googleapis.com/css2?family=Ro... https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&display=swap — 200 — 2.1 KiB — 95 ms — h2https://static.4shared.com/css/indexNew.4min.css?ver=822487028static.4shared.com/css/indexNew.4mi... https://static.4shared.com/css/indexNew.4min.css?ver=822487028 — 200 — 2.5 KiB — 293 ms — h2https://static.4shared.com/css/gridAndLibrary.4min.css?ver=904387394static.4shared.com/css/gridAndLibra... https://static.4shared.com/css/gridAndLibrary.4min.css?ver=904387394 — 200 — 6.0 KiB — 163 ms — h2https://static.4shared.com/css/headerAndFooterResponsive.4min.css?ver=768287826static.4shared.com/css/headerAndFoo... https://static.4shared.com/css/headerAndFooterResponsive.4min.css?ver=768287826 — 200 — 7.6 KiB — 288 ms — h2https://static.4shared.com/css/headerNew.4min.css?ver=1999692565static.4shared.com/css/headerNew.4m... https://static.4shared.com/css/headerNew.4min.css?ver=1999692565 — 200 — 5.2 KiB — 290 ms — h2https://static.4shared.com/css/tipTip.4min.css?ver=-1558254190static.4shared.com/css/tipTip.4min.... https://static.4shared.com/css/tipTip.4min.css?ver=-1558254190 — 200 — 532 B — 291 ms — h2https://static.4shared.com/js/jquery/jquery-1.9.1.4min.js?ver=1965676176static.4shared.com/js/jquery/jquery... https://static.4shared.com/js/jquery/jquery-1.9.1.4min.js?ver=1965676176 — 200 — 35.9 KiB — 412 ms — h2https://static.4shared.com/js/jquery/jquery-migrate-1.2.1.4min.js?ver=-1518983214static.4shared.com/js/jquery/jquery... https://static.4shared.com/js/jquery/jquery-migrate-1.2.1.4min.js?ver=-1518983214 — 200 — 3.3 KiB — 414 ms — h2https://static.4shared.com/js/headerNew.4min.js?ver=1935412084static.4shared.com/js/headerNew.4mi... https://static.4shared.com/js/headerNew.4min.js?ver=1935412084 — 200 — 4.6 KiB — 415 ms — h2https://static.4shared.com/js/headerSearch.4min.js?ver=-448467807static.4shared.com/js/headerSearch.... https://static.4shared.com/js/headerSearch.4min.js?ver=-448467807 — 200 — 2.8 KiB — 415 ms — h2https://static.4shared.com/js/Events.4min.js?ver=-1265666699static.4shared.com/js/Events.4min.j... https://static.4shared.com/js/Events.4min.js?ver=-1265666699 — 200 — 455 B — 417 ms — h2https://static.4shared.com/js/utils.4min.js?ver=1202740634static.4shared.com/js/utils.4min.js... https://static.4shared.com/js/utils.4min.js?ver=1202740634 — 200 — 9.0 KiB — 418 ms — h2https://static.4shared.com/js/plugins/bootstrap/js/bootstrap.min.js?ver=-2016413654static.4shared.com/js/plugins/boots... https://static.4shared.com/js/plugins/bootstrap/js/bootstrap.min.js?ver=-2016413654 — 200 — 9.7 KiB — 418 ms — h2https://static.4shared.com/js/plugins/favicon.4min.js?ver=589791203static.4shared.com/js/plugins/favic... https://static.4shared.com/js/plugins/favicon.4min.js?ver=589791203 — 200 — 853 B — 420 ms — h2https://static.4shared.com/js/plugins/jquery.localStorage.4min.js?ver=-1535072197static.4shared.com/js/plugins/jquer... https://static.4shared.com/js/plugins/jquery.localStorage.4min.js?ver=-1535072197 — 200 — 1.1 KiB — 421 ms — h2https://static.4shared.com/js/plugins/jquery.tipTip.4min.js?ver=424755820static.4shared.com/js/plugins/jquer... https://static.4shared.com/js/plugins/jquery.tipTip.4min.js?ver=424755820 — 200 — 1.3 KiB — 422 ms — h2https://static.4shared.com/js/plugins/jquery.cookie.4min.js?ver=823523918static.4shared.com/js/plugins/jquer... https://static.4shared.com/js/plugins/jquery.cookie.4min.js?ver=823523918 — 200 — 561 B — 423 ms — h2https://static.4shared.com/js/plugins/jquery.timeago.4min.js?ver=1007035806static.4shared.com/js/plugins/jquer... https://static.4shared.com/js/plugins/jquery.timeago.4min.js?ver=1007035806 — 200 — 1.1 KiB — 424 ms — h2https://static.4shared.com/js/plugins/timeago_i18n/jquery.timeago.fr.4min.js?ver=170686365static.4shared.com/js/plugins/timea... https://static.4shared.com/js/plugins/timeago_i18n/jquery.timeago.fr.4min.js?ver=170686365 — 200 — 331 B — 547 ms — h2https://serv90.com/ab47fe78.jsserv90.com/ab47fe78.js https://serv90.com/ab47fe78.js — 200 — 37.3 KiB — 523 ms — http/1.1https://www.googletagmanager.com/gtag/js?id=G-L27DQL6RCDwww.googletagmanager.com/gtag/js?id... https://www.googletagmanager.com/gtag/js?id=G-L27DQL6RCD — 200 — 157.6 KiB — 142 ms — h2https://static.4shared.com/css/bottomSheets.4min.css?ver=-477151684static.4shared.com/css/bottomSheets... https://static.4shared.com/css/bottomSheets.4min.css?ver=-477151684 — 200 — 3.6 KiB — 435 ms — h2https://static.4shared.com/js/bottomSheets/bottomsheets.4min.js?ver=314671084static.4shared.com/js/bottomSheets/... https://static.4shared.com/js/bottomSheets/bottomsheets.4min.js?ver=314671084 — 200 — 368 B — 435 ms — h2https://static.4shared.com/js/bottomSheets/BS_signIn.4min.js?ver=-1384269618static.4shared.com/js/bottomSheets/... https://static.4shared.com/js/bottomSheets/BS_signIn.4min.js?ver=-1384269618 — 200 — 4.4 KiB — 435 ms — h2https://www.google.com/recaptcha/api.js?render=explicitwww.google.com/recaptcha/api.js?ren... https://www.google.com/recaptcha/api.js?render=explicit — 200 — 1013 B — 69 ms — h3https://static.4shared.com/css/popup_n.4min.css?ver=-1713622631static.4shared.com/css/popup_n.4min... https://static.4shared.com/css/popup_n.4min.css?ver=-1713622631 — 200 — 1.1 KiB — 431 ms — h2https://static.4shared.com/js/PopupModule.4min.js?ver=-1677196418static.4shared.com/js/PopupModule.4... https://static.4shared.com/js/PopupModule.4min.js?ver=-1677196418 — 200 — 1.3 KiB — 432 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 1435ms · 785KB · $19/mo
Unattributable
Other
Costly
Execution 359ms
Transfer 0 KB
Monthly Cost $5/mo
Google Tag Manager
Tag Manager
Costly
Execution 298ms
Transfer 165 KB
Unused 42%
Monthly Cost $4/mo
Google Tag Manager
Tag Manager
Costly
Execution 261ms
Transfer 158 KB
Unused 40%
Monthly Cost $3/mo
www.gstatic.com
Other
Optional
Execution 164ms
Transfer 362 KB
Unused 67%
Monthly Cost $2/mo
static.4shared.com
Other
Optional
Execution 146ms
Transfer 36 KB
Monthly Cost $2/mo
www.4shared.com
Other
Optional
Execution 126ms
Transfer 43 KB
Monthly Cost $2/mo
Google Analytics
Analytics
Optional
Execution 81ms
Transfer 21 KB
Monthly Cost $1/mo

These scripts may cost more than they're worth

  • Unattributable adds 359ms and costs ~$5/month
  • Google Tag Manager adds 298ms and costs ~$4/month
  • Google Tag Manager adds 261ms and costs ~$3/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

Unattributable takes 359ms 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 298ms 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 261ms 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

67% of www.gstatic.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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