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https://urbandictionary.com

Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
86
GRADE
B
FIX
2
REVIEW
3
PASS
10
INFO
2

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

Mobile Desktop
47
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
84
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.

4.40 s

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

8.35 s

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

606 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.

5.67 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.

8.38 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
10 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 (923.4 KiB of 923.6 KiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
D
JS Execution Cost
Action
2211ms total JS execution
FIX
2211ms total JS execution
Warning::
https://cdn-cookieyes.com/client_data/ced78fbb9127...: 720ms CPU time
Warning::
https://cdn.jsdelivr.net/npm/unpoly@3/unpoly.min.j...: 557ms CPU time
Warning::
Unattributable: 416ms CPU time
Info::
https://www.googletagmanager.com/gtag/js?id=G-2JW7...: 238ms CPU time
Info::
https://www.urbandictionary.com/: 152ms CPU time
Warning::
Third-party scripts: 2211ms (100% of total)

Main Thread Breakdown

Script Evaluation 55% Other 20% Style & Layout 14% Script Parsing & Compilation 3%
ScriptTotalScriptingParse/CompileParty
https://cdn-cookieyes.com/client_data/ced78fbb9127e3b468b5411b/banner.js720ms563ms11ms3rd
https://cdn.jsdelivr.net/npm/unpoly@3/unpoly.min.js557ms315ms17ms3rd
Unattributable416ms20ms0ms3rd
https://www.googletagmanager.com/gtag/js?id=G-2JW7QZL7QX238ms194ms39ms3rd
https://www.urbandictionary.com/152ms9ms3ms3rd
https://cdn-cookieyes.com/client_data/ced78fbb9127e3b468b5411b/script.js127ms121ms3ms3rd
B
JS Bundles
9 scripts, 132 KB unused
REVIEW
9 scripts, 132 KB unused
Warning::
https://www.googletagmanager.com/gtag/js?id=G-2JW7...: 59 KB unused (40%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.urbandictionary.com/assets/app.08f2670...: 47 KB unused (77%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://cdn.jsdelivr.net/npm/unpoly@3/unpoly.min.j...: 26 KB unused (45%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 132 KB
132 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.googletagmanager.com/gtag/js?id=G-2JW7QZL7QX149 KB59 KB (40%)✓3rd
https://www.urbandictionary.com/assets/app.08f26704.js62 KB47 KB (77%)✓3rd
https://cdn.jsdelivr.net/npm/unpoly@3/unpoly.min.js58 KB26 KB (45%)✓3rd
https://cdn-cookieyes.com/client_data/ced78fbb9127e3b468b5411b/script.js11 KB—✓3rd
https://www.google.com/recaptcha/enterprise.js?render=6Ld5tgYsAAAAAJbQ7kZJJ83v681QB5eCKA2rxyEP1 KB—✓3rd
https://www.urbandictionary.com/prebid.js135 KB—✓3rd
https://cdn.confiant-integrations.net/oUsMi2kpyL-PFddeRIkSo0U4u4E/gpt_and_prebid/config.js56 KB—✓3rd
https://btloader.com/tag?o=5640981779054592&upapi=true31 KB—✓3rd
https://cdn-cookieyes.com/client_data/ced78fbb9127e3b468b5411b/banner.js39 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
REVIEW
no-cache
Info::
Cache-Control header is set
Got: no-cache
Info::
No ETag or Last-Modified header
Conditional requests (304 Not Modified) are not possible without validators.
Cache-Control

no-cache

DirectiveValueMeaning
no-cache—Cache but always revalidate first
A
Page Weight Budget
924 KB transferred, 39 requests
PASS
924 KB transferred, 39 requests
Info::
Page weighs 2.9 MB (924 KB transferred)
Warning::
JavaScript is 541 KB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 541 KB
Info::
39 HTTP requests
Info::
Estimated 0.19 g CO2 per page load
924 KB / 2.4 MB budget
924 KB transferred
39 requests
0.19 g CO2 per page load
JavaScript 541.3 KiB 59%
Other 138.7 KiB 15%
Images 127.2 KiB 14%
Fonts 65.9 KiB 7%
Other 19.5 KiB 2%
CSS 10.5 KiB 1%
HTML 10.5 KiB 1%
Other 8.9 KiB 1%
Other 760 B 0%
Other 260 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
Image Optimization
10 images, 0 KB saveable
PASS
10 images, 0 KB saveable
Info::
All images are well-optimized
10 images 127 KB
0 oversized -0 KB
3 legacy format
0 missing dimensions CLS risk
A+
Font Loading
3 fonts (66 KB)
PASS
3 fonts (66 KB)
Info::
3 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

3

66 KB total

Render-blocking

0

of 3

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 8.0 s FCP 4.4 s LCP 8.4 shttps://fonts.gstatic.com/s/sourcesanspro/v23/6xK3dSBYKcSV-LCoeQqfX1RYOo3qOK7lujVj9w.woff26xK3dSBYKcSV-LCoeQqfX1R... https://fonts.gstatic.com/s/sourcesanspro/v23/6xK3dSBYKcSV-LCoeQqfX1RYOo3qOK7lujVj9w.woff2 — 14.5 KiB — 27 ms — font-display: swaphttps://fonts.gstatic.com/s/lora/v37/0QIvMX1D_JOuMwr7I_FMl_E.woff20QIvMX1D_JOuMwr7I_FMl_E... https://fonts.gstatic.com/s/lora/v37/0QIvMX1D_JOuMwr7I_FMl_E.woff2 — 36.9 KiB — 50 ms — font-display: swaphttps://fonts.gstatic.com/s/sourcesanspro/v23/6xKydSBYKcSV-LCoeQqfX1RYOo3ig4vwlxdu3cOWxw.woff26xKydSBYKcSV-LCoeQqfX1R... https://fonts.gstatic.com/s/sourcesanspro/v23/6xKydSBYKcSV-LCoeQqfX1RYOo3ig4vwlxdu3cOWxw.woff2 — 14.4 KiB — 44 ms — font-display: swap
6xK3dSBYKcSV-LCoeQqfX1R... woff2 swap
Size 15 KB
Load time 27 ms
Start 649 ms
Risk FOUT — text flashes from fallback to web font
0QIvMX1D_JOuMwr7I_FMl_E... woff2 swap
Size 37 KB
Load time 50 ms
Start 651 ms
Risk FOUT — text flashes from fallback to web font
6xKydSBYKcSV-LCoeQqfX1R... woff2 swap
Size 14 KB
Load time 44 ms
Start 654 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
8 hints, 0 missing preconnects
PASS
8 hints, 0 missing preconnects
Info::
Page uses 8 resource hint(s)

Current Resource Hints

preconnect
3
preload
—
dns-prefetch
5
prefetch
—

8 resource hints configured

A
Page Weight Inventory
39 resources · 924 KB · 132 KB savings available
PASS
39 resources · 924 KB · 132 KB savings available
Info::
Within 1MB page-weight target
Got: 924 KB
Info::
~132 KB of savings available
Warning::
38 third-party resources (100% of weight)
39 resources · 923.6 KiB · 38 third-party Within 1MB page-weight target
JavaScript 59% · 541.3 KiB
Other 17% · 158.2 KiB
Image 15% · 135.9 KiB
Font 7% · 65.9 KiB
Document 1% · 11.8 KiB
CSS 1% · 10.5 KiB

~132.4 KiB of savings available

Remove unused JavaScript: 132.4 KiB
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
Network Waterfall
39 requests over 2170ms
INFO
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s 6.0 s 7.0 s 8.0 s FCP 4.4 s LCP 8.4 shttps://urbandictionary.com// https://urbandictionary.com/ — 301 — 209 B — 293 ms — h2https://www.urbandictionary.com/www.urbandictionary.com/ https://www.urbandictionary.com/ — 200 — 10.5 KiB — 108 ms — h2https://www.googletagmanager.com/gtag/js?id=G-2JW7QZL7QXwww.googletagmanager.com/gtag/js?id... https://www.googletagmanager.com/gtag/js?id=G-2JW7QZL7QX — 200 — 148.8 KiB — 152 ms — h2https://fonts.googleapis.com/css2?family=Lora:wght@400;700&family=Source+Sans+Pro:wght@400;700&display=swapfonts.googleapis.com/css2?family=Lo... https://fonts.googleapis.com/css2?family=Lora:wght@400;700&family=Source+Sans+Pro:wght@400;700&display=swap — 200 — 2.2 KiB — 94 ms — h2https://cdn.jsdelivr.net/npm/unpoly@3/unpoly.min.csscdn.jsdelivr.net/npm/unpoly@3/unpol... https://cdn.jsdelivr.net/npm/unpoly@3/unpoly.min.css — 200 — 1.5 KiB — 39 ms — h2https://www.urbandictionary.com/assets/style.ed7b3cde.csswww.urbandictionary.com/assets/styl... https://www.urbandictionary.com/assets/style.ed7b3cde.css — 200 — 6.9 KiB — 36 ms — h2https://cdn.jsdelivr.net/npm/unpoly@3/unpoly.min.jscdn.jsdelivr.net/npm/unpoly@3/unpol... https://cdn.jsdelivr.net/npm/unpoly@3/unpoly.min.js — 200 — 58.2 KiB — 41 ms — h2https://cdn-cookieyes.com/client_data/ced78fbb9127e3b468b5411b/script.jscdn-cookieyes.com/client_data/ced78... https://cdn-cookieyes.com/client_data/ced78fbb9127e3b468b5411b/script.js — 200 — 11.1 KiB — 102 ms — h2https://www.urbandictionary.com/assets/app.08f26704.jswww.urbandictionary.com/assets/app.... https://www.urbandictionary.com/assets/app.08f26704.js — 200 — 62.0 KiB — 85 ms — h2https://www.google.com/recaptcha/enterprise.js?render=6Ld5tgYsAAAAAJbQ7kZJJ83v681QB5eCKA2rxyEPwww.google.com/recaptcha/enterprise... https://www.google.com/recaptcha/enterprise.js?render=6Ld5tgYsAAAAAJbQ7kZJJ83v681QB5eCKA2rxyEP — 200 — 1.1 KiB — 91 ms — h3https://log.cookieyes.com/api/v1/loglog.cookieyes.com/api/v1/log https://log.cookieyes.com/api/v1/log — 200 — 260 B — 102 ms — h3https://www.urbandictionary.com/prebid.jswww.urbandictionary.com/prebid.js https://www.urbandictionary.com/prebid.js — 200 — 134.5 KiB — 77 ms — h2https://cdn.confiant-integrations.net/oUsMi2kpyL-PFddeRIkSo0U4u4E/gpt_and_prebid/config.jscdn.confiant-integrations.net/oUsMi... https://cdn.confiant-integrations.net/oUsMi2kpyL-PFddeRIkSo0U4u4E/gpt_and_prebid/config.js — 200 — 56.3 KiB — 120 ms — h3https://btloader.com/tag?o=5640981779054592&upapi=truebtloader.com/tag?o=5640981779054592... https://btloader.com/tag?o=5640981779054592&upapi=true — 200 — 30.6 KiB — 114 ms — h2https://cdn-cookieyes.com/client_data/ced78fbb9127e3b468b5411b/banner.jscdn-cookieyes.com/client_data/ced78... https://cdn-cookieyes.com/client_data/ced78fbb9127e3b468b5411b/banner.js — 200 — 38.7 KiB — 36 ms — h2https://www.urbandictionary.com/assets/sprite.dc08a6d0.svgwww.urbandictionary.com/assets/spri... https://www.urbandictionary.com/assets/sprite.dc08a6d0.svg — 200 — 6.6 KiB — 74 ms — h2data:image/svg+xml,%3Csvg viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle fill…www.w3.org/2000/svg'%3E%3Ccircle fi... data:image/svg+xml,%3Csvg viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle fill… — 200 — 0 B — 0 ms — datahttps://www.urbandictionary.com/ui/votes?defids=6884013,12887481,2710523,17750135,18563375,18633169,18632074www.urbandictionary.com/ui/votes?de... https://www.urbandictionary.com/ui/votes?defids=6884013,12887481,2710523,17750135,18563375,18633169,18632074 — 200 — 1.1 KiB — 129 ms — h2https://fonts.gstatic.com/s/sourcesanspro/v23/6xK3dSBYKcSV-LCoeQqfX1RYOo3qOK7lujVj9w.woff2fonts.gstatic.com/s/sourcesanspro/v... https://fonts.gstatic.com/s/sourcesanspro/v23/6xK3dSBYKcSV-LCoeQqfX1RYOo3qOK7lujVj9w.woff2 — 200 — 14.5 KiB — 27 ms — h3https://fonts.gstatic.com/s/lora/v37/0QIvMX1D_JOuMwr7I_FMl_E.woff2fonts.gstatic.com/s/lora/v37/0QIvMX... https://fonts.gstatic.com/s/lora/v37/0QIvMX1D_JOuMwr7I_FMl_E.woff2 — 200 — 36.9 KiB — 50 ms — h3https://fonts.gstatic.com/s/sourcesanspro/v23/6xKydSBYKcSV-LCoeQqfX1RYOo3ig4vwlxdu3cOWxw.woff2fonts.gstatic.com/s/sourcesanspro/v... https://fonts.gstatic.com/s/sourcesanspro/v23/6xKydSBYKcSV-LCoeQqfX1RYOo3ig4vwlxdu3cOWxw.woff2 — 200 — 14.4 KiB — 44 ms — h3https://www.urbandictionary.com/site.webmanifestwww.urbandictionary.com/site.webman... https://www.urbandictionary.com/site.webmanifest — 200 — 760 B — 93 ms — h2https://region1.google-analytics.com/g/collect?v=2&tid=G-2JW7QZL7QX&gtm=45je64h1v9126256487za200zd9126256487&_p=1776800852904&gcd=13l3l3l2l1l1&npa=1&dma_cps=a&dma=1&tcfd=10001&are=1&cid=1508233424.1776800853&frm=0&pscdl=noapi&rcb=8&sr=412x823&uaa=&uab=64&uafvl=Chromium%3B147.0.7727.101%7CNot.A%252FBrand%3B8.0.0.0&uam=moto%20g%20power%20(2022)&uamb=1&uap=Android&uapv=11.0&uaw=0&ul=en-us&_s=1&tag_exp=0~115616986~115938465~115938469~117266400&sid=1776800853&sct=1&seg=0&dl=https%3A%2F%2Fwww.urbandictionary.com%2F&dt=Urban%20Dictionary%2C%20April%2021%3A%20Wasian&en=page_view&_fv=1&_nsi=1&_ss=1&_ee=1&ep.safety=safe&tfd=737region1.google-analytics.com/g/coll... https://region1.google-analytics.com/g/collect?v=2&tid=G-2JW7QZL7QX&gtm=45je64h1v9126256487za200zd9126256487&_p=1776800852904&gcd=13l3l3l2l1l1&npa=1&dma_cps=a&dma=1&tcfd=10001&are=1&cid=1508233424.1776800853&frm=0&pscdl=noapi&rcb=8&sr=412x823&uaa=&uab=64&uafvl=Chromium%3B147.0.7727.101%7CNot.A%252FBrand%3B8.0.0.0&uam=moto%20g%20power%20(2022)&uamb=1&uap=Android&uapv=11.0&uaw=0&ul=en-us&_s=1&tag_exp=0~115616986~115938465~115938469~117266400&sid=1776800853&sct=1&seg=0&dl=https%3A%2F%2Fwww.urbandictionary.com%2F&dt=Urban%20Dictionary%2C%20April%2021%3A%20Wasian&en=page_view&_fv=1&_nsi=1&_ss=1&_ee=1&ep.safety=safe&tfd=737 — 204 — 555 B — 71 ms — h2https://cdn-cookieyes.com/common/iab-gvl-v3.jsoncdn-cookieyes.com/common/iab-gvl-v3... https://cdn-cookieyes.com/common/iab-gvl-v3.json — 200 — 137.6 KiB — 114 ms — h2https://www.urbandictionary.com/favicon-32x32.pngwww.urbandictionary.com/favicon-32x... https://www.urbandictionary.com/favicon-32x32.png — 200 — 2.1 KiB — 33 ms — h2https://cdn-cookieyes.com/client_data/ced78fbb9127e3b468b5411b/R7qSSQLO.jsoncdn-cookieyes.com/client_data/ced78... https://cdn-cookieyes.com/client_data/ced78fbb9127e3b468b5411b/R7qSSQLO.json — 200 — 263 B — 26 ms — h2https://directory.cookieyes.com/api/v1/ipdirectory.cookieyes.com/api/v1/ip https://directory.cookieyes.com/api/v1/ip — 200 — 412 B — 100 ms — h3https://cdn-cookieyes.com/client_data/ced78fbb9127e3b468b5411b/config/OxTxmxKB.jsoncdn-cookieyes.com/client_data/ced78... https://cdn-cookieyes.com/client_data/ced78fbb9127e3b468b5411b/config/OxTxmxKB.json — 200 — 10.3 KiB — 27 ms — h2https://cdn-cookieyes.com/client_data/ced78fbb9127e3b468b5411b/translations/9zg-vp2w.jsoncdn-cookieyes.com/client_data/ced78... https://cdn-cookieyes.com/client_data/ced78fbb9127e3b468b5411b/translations/9zg-vp2w.json — 200 — 2.1 KiB — 26 ms — h2https://cdn-cookieyes.com/client_data/ced78fbb9127e3b468b5411b/audit-table/NyemQg-N.jsoncdn-cookieyes.com/client_data/ced78... https://cdn-cookieyes.com/client_data/ced78fbb9127e3b468b5411b/audit-table/NyemQg-N.json — 200 — 5.9 KiB — 26 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 8.0 s FCP 4.4 s LCP 8.4 shttps://urbandictionary.com// https://urbandictionary.com/ — 301 — 209 B — 293 ms — h2https://www.urbandictionary.com/www.urbandictionary.com/ https://www.urbandictionary.com/ — 200 — 10.5 KiB — 108 ms — h2https://www.googletagmanager.com/gtag/js?id=G-2JW7QZL7QXwww.googletagmanager.com/gtag/js?id... https://www.googletagmanager.com/gtag/js?id=G-2JW7QZL7QX — 200 — 148.8 KiB — 152 ms — h2https://fonts.googleapis.com/css2?family=Lora:wght@400;700&family=Source+Sans+Pro:wght@400;700&display=swapfonts.googleapis.com/css2?family=Lo... https://fonts.googleapis.com/css2?family=Lora:wght@400;700&family=Source+Sans+Pro:wght@400;700&display=swap — 200 — 2.2 KiB — 94 ms — h2https://cdn.jsdelivr.net/npm/unpoly@3/unpoly.min.csscdn.jsdelivr.net/npm/unpoly@3/unpol... https://cdn.jsdelivr.net/npm/unpoly@3/unpoly.min.css — 200 — 1.5 KiB — 39 ms — h2https://www.urbandictionary.com/assets/style.ed7b3cde.csswww.urbandictionary.com/assets/styl... https://www.urbandictionary.com/assets/style.ed7b3cde.css — 200 — 6.9 KiB — 36 ms — h2https://cdn.jsdelivr.net/npm/unpoly@3/unpoly.min.jscdn.jsdelivr.net/npm/unpoly@3/unpol... https://cdn.jsdelivr.net/npm/unpoly@3/unpoly.min.js — 200 — 58.2 KiB — 41 ms — h2https://cdn-cookieyes.com/client_data/ced78fbb9127e3b468b5411b/script.jscdn-cookieyes.com/client_data/ced78... https://cdn-cookieyes.com/client_data/ced78fbb9127e3b468b5411b/script.js — 200 — 11.1 KiB — 102 ms — h2https://www.urbandictionary.com/assets/app.08f26704.jswww.urbandictionary.com/assets/app.... https://www.urbandictionary.com/assets/app.08f26704.js — 200 — 62.0 KiB — 85 ms — h2https://www.google.com/recaptcha/enterprise.js?render=6Ld5tgYsAAAAAJbQ7kZJJ83v681QB5eCKA2rxyEPwww.google.com/recaptcha/enterprise... https://www.google.com/recaptcha/enterprise.js?render=6Ld5tgYsAAAAAJbQ7kZJJ83v681QB5eCKA2rxyEP — 200 — 1.1 KiB — 91 ms — h3https://log.cookieyes.com/api/v1/loglog.cookieyes.com/api/v1/log https://log.cookieyes.com/api/v1/log — 200 — 260 B — 102 ms — h3https://www.urbandictionary.com/prebid.jswww.urbandictionary.com/prebid.js https://www.urbandictionary.com/prebid.js — 200 — 134.5 KiB — 77 ms — h2https://cdn.confiant-integrations.net/oUsMi2kpyL-PFddeRIkSo0U4u4E/gpt_and_prebid/config.jscdn.confiant-integrations.net/oUsMi... https://cdn.confiant-integrations.net/oUsMi2kpyL-PFddeRIkSo0U4u4E/gpt_and_prebid/config.js — 200 — 56.3 KiB — 120 ms — h3https://btloader.com/tag?o=5640981779054592&upapi=truebtloader.com/tag?o=5640981779054592... https://btloader.com/tag?o=5640981779054592&upapi=true — 200 — 30.6 KiB — 114 ms — h2https://cdn-cookieyes.com/client_data/ced78fbb9127e3b468b5411b/banner.jscdn-cookieyes.com/client_data/ced78... https://cdn-cookieyes.com/client_data/ced78fbb9127e3b468b5411b/banner.js — 200 — 38.7 KiB — 36 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 2211ms · 267KB · €24/mo
cdn-cookieyes.com
Other
Costly
Execution 720ms
Transfer 39 KB
Monthly Cost €8/mo
jsDelivr
CDN
Costly
Execution 557ms
Transfer 58 KB
Unused 45%
Monthly Cost €6/mo
Unattributable
Other
Costly
Execution 416ms
Transfer 0 KB
Monthly Cost €5/mo
Google Tag Manager
Tag Manager
Costly
Execution 238ms
Transfer 149 KB
Unused 40%
Monthly Cost €3/mo
www.urbandictionary.com
Other
Optional
Execution 152ms
Transfer 10 KB
Monthly Cost €2/mo
cdn-cookieyes.com
Other
Optional
Execution 127ms
Transfer 11 KB
Monthly Cost €1/mo

These scripts may cost more than they're worth

  • cdn-cookieyes.com adds 720ms and costs ~€8/month
  • jsDelivr adds 557ms and costs ~€6/month
  • Unattributable adds 416ms and costs ~€5/month
  • Google Tag Manager adds 238ms 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

cdn-cookieyes.com takes 720ms 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

jsDelivr takes 557ms 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 416ms 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 238ms 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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