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https://telegram.org

Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
88
GRADE
B
FIX
1
REVIEW
5
PASS
9
INFO
2

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

Mobile Desktop
82
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
60
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.
82
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.

1.06 s

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

5.03 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.

0.000

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

1.06 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.

5.04 s

Page Load Progression

378 ms
757 ms
1.1 s
1.5 s
1.9 s
2.3 s
2.6 s
3.0 s
Checks
17
9 PASS 5 REVIEW 1 FIX
D
HTTP Caching
Action
no-store (uncacheable)
FIX
no-store (uncacheable)
Info::
Cache-Control: no-store prevents all caching
Intentional for dynamic content, but increases server load for every page view.
Got: no-store
Info::
No ETag or Last-Modified header
Conditional requests (304 Not Modified) are not possible without validators.
Cache-Control

no-store

DirectiveValueMeaning
no-store—Never cache this response
C
Page Weight Budget
Action
1.9 MB transferred, 51 requests
REVIEW
1.9 MB transferred, 51 requests
Info::
Page weighs 3.9 MB (1.9 MB transferred)
Info::
51 HTTP requests
Info::
Estimated 0.39 g CO2 per page load
1.9 MB / 2.4 MB budget
1.9 MB transferred
51 requests
0.39 g CO2 per page load
Images 934.3 KiB 49%
Other 586.6 KiB 31%
Other 151.6 KiB 8%
Other 127.3 KiB 7%
Other 54.5 KiB 3%
CSS 40.4 KiB 2%
JavaScript 14.0 KiB 1%
HTML 6.0 KiB 0%
0 2.4 MB 4.9 MB
Approaching limit
C
Image Optimization
Action
17 images, 0 KB saveable
REVIEW
17 images, 0 KB saveable
Warning::
https://telegram.org/file/400780400115/5/Cv5ZyIIoO... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://telegram.org/file/400780400931/3/L6HFfelQm... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
17 images 934 KB
0 oversized -0 KB
16 legacy format
2 missing dimensions CLS risk

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

C
JS Execution Cost
Action
1195ms total JS execution
REVIEW
1195ms total JS execution
Warning::
https://telegram.org/js/tgsticker.js?31: 454ms CPU time
Warning::
https://telegram.org/: 417ms CPU time
Warning::
Unattributable: 325ms CPU time
Info::
Third-party scripts: 325ms (27% of total)

Main Thread Breakdown

Other 45% Script Evaluation 34% Style & Layout 12% Rendering 6%
ScriptTotalScriptingParse/CompileParty
https://telegram.org/js/tgsticker.js?31454ms385ms4ms1st
https://telegram.org/417ms9ms1ms1st
Unattributable325ms13ms0ms3rd
C
Page Weight Inventory
Action
51 resources · 1.9 MB · 0 KB savings available
REVIEW
51 resources · 1.9 MB · 0 KB savings available
Warning::
Page weight 891 KB over 1MB target
Got: 1.9 MB Expected: ≤ 1 MB
Info::
1 third-party resources (0% of weight)
Info::
3 resources over 200KB
51 resources · 1.9 MiB · 1 third-party 890.8 KiB over 1MB target
Image 50% · 949.3 KiB
Media 31% · 586.6 KiB
Other 8% · 151.6 KiB
Document 7% · 133.3 KiB
JavaScript 3% · 53.6 KiB
CSS 2% · 40.4 KiB
C
Green Hosting
Action
Whether the site is served from green-energy infrastructure
REVIEW

Green Hosting

No green hosting detected

A+
Third-Party Impact
No third-party resources
PASS
No third-party resources
Info::
No third-party resources detected
No third-party resources detected — all resources are first-party.
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+
JS Bundles
14 scripts, 0 KB unused
PASS
14 scripts, 0 KB unused
0 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://telegram.org/js/main.js?477 KB—✓1st
https://telegram.org/js/tgsticker.js?317 KB—✓1st
https://telegram.org/js/tgsticker-worker.js?140 KB—✓1st
https://telegram.org/js/rlottie-wasm.js31 KB—✓1st
https://telegram.org/js/pako-inflate.min.js9 KB—✓1st
https://telegram.org/js/tgsticker-worker.js?140 KB—✓1st
https://telegram.org/js/tgsticker-worker.js?140 KB—✓1st
https://telegram.org/js/tgsticker-worker.js?140 KB—✓1st
https://telegram.org/js/rlottie-wasm.js0 KB—✓1st
https://telegram.org/js/rlottie-wasm.js0 KB—✓1st
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
Network Waterfall
51 requests over 601ms
INFO
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s FCP 1.1 s LCP 5.0 shttps://telegram.org// https://telegram.org/ — 200 — 6.0 KiB — 111 ms — h2https://telegram.org/css/bootstrap.min.css?3/css/bootstrap.min.css?3 https://telegram.org/css/bootstrap.min.css?3 — 200 — 10.1 KiB — 43 ms — h2https://telegram.org/css/telegram.css?249/css/telegram.css?249 https://telegram.org/css/telegram.css?249 — 200 — 30.3 KiB — 73 ms — h2https://telegram.org/file/400780400931/3/L6HFfelQm5E.394826.jpg/c82f3df5fb2bdde5f3/file/400780400931/3/L6HFfelQm5E.39... https://telegram.org/file/400780400931/3/L6HFfelQm5E.394826.jpg/c82f3df5fb2bdde5f3 — 200 — 369.9 KiB — 173 ms — h2https://telegram.org/file/400780400115/5/Cv5ZyIIoOC0.324347.jpg/9b317921d13d7c6dda/file/400780400115/5/Cv5ZyIIoOC0.32... https://telegram.org/file/400780400115/5/Cv5ZyIIoOC0.324347.jpg/9b317921d13d7c6dda — 200 — 300.6 KiB — 217 ms — h2https://telegram.org/file/464001897/3/f0Go0rLpEwk.11343.png/dd4eeb46cc5efc0688/file/464001897/3/f0Go0rLpEwk.11343... https://telegram.org/file/464001897/3/f0Go0rLpEwk.11343.png/dd4eeb46cc5efc0688 — 200 — 11.3 KiB — 149 ms — h2https://telegram.org/file/464001737/4/Fn57W9l3xI0.15286.png/d4b936ecc2c939f4fa/file/464001737/4/Fn57W9l3xI0.15286... https://telegram.org/file/464001737/4/Fn57W9l3xI0.15286.png/d4b936ecc2c939f4fa — 200 — 15.2 KiB — 149 ms — h2https://telegram.org/file/464001560/2/n7EACfx4FPY.16465.png/7318c11715aa2ec45b/file/464001560/2/n7EACfx4FPY.16465... https://telegram.org/file/464001560/2/n7EACfx4FPY.16465.png/7318c11715aa2ec45b — 200 — 16.3 KiB — 149 ms — h2https://telegram.org/js/main.js?47/js/main.js?47 https://telegram.org/js/main.js?47 — 200 — 6.9 KiB — 149 ms — h2https://telegram.org/js/tgsticker.js?31/js/tgsticker.js?31 https://telegram.org/js/tgsticker.js?31 — 200 — 6.9 KiB — 149 ms — h2https://telegram.org/file/464001132/3/-1qvqKPZsQQ.17975.png/7d57d7159cf4fbe9b2/file/464001132/3/-1qvqKPZsQQ.17975... https://telegram.org/file/464001132/3/-1qvqKPZsQQ.17975.png/7d57d7159cf4fbe9b2 — 200 — 17.8 KiB — 165 ms — h2https://telegram.org/file/464001828/11e9a/1yY7a721t4o.30567.png/e113973dae2bee508b/file/464001828/11e9a/1yY7a721t4o.3... https://telegram.org/file/464001828/11e9a/1yY7a721t4o.30567.png/e113973dae2bee508b — 200 — 30.1 KiB — 166 ms — h2https://telegram.org/file/464001880/3/xOpm7ohoHQ0.12690.png/feb1e161b1d3608613/file/464001880/3/xOpm7ohoHQ0.12690... https://telegram.org/file/464001880/3/xOpm7ohoHQ0.12690.png/feb1e161b1d3608613 — 200 — 12.7 KiB — 166 ms — h2https://telegram.org/file/464001453/3/mNzXWC3RX0c.15740.png/9ce5fa5f3fb74460b4/file/464001453/3/mNzXWC3RX0c.15740... https://telegram.org/file/464001453/3/mNzXWC3RX0c.15740.png/9ce5fa5f3fb74460b4 — 200 — 15.6 KiB — 166 ms — h2https://telegram.org/file/464001402/5/eOMSj3GzJXo.13579.png/f3cec6c451d023c109/file/464001402/5/eOMSj3GzJXo.13579... https://telegram.org/file/464001402/5/eOMSj3GzJXo.13579.png/f3cec6c451d023c109 — 200 — 13.5 KiB — 167 ms — h2https://telegram.org/file/464001166/2/FzTl8_M5mQA.19325.png/b6c5dbc0e4f6553805/file/464001166/2/FzTl8_M5mQA.19325... https://telegram.org/file/464001166/2/FzTl8_M5mQA.19325.png/b6c5dbc0e4f6553805 — 200 — 19.1 KiB — 167 ms — h2https://telegram.org/img/t_main_Android_demo_2x.mp4/img/t_main_Android_demo_2x.mp4 https://telegram.org/img/t_main_Android_demo_2x.mp4 — 206 — 207 B — 170 ms — h2data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0…www.w3.org/2000/svg' width='16' hei... data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0… — 200 — 0 B — 0 ms — datahttps://telegram.org/img/SiteIconAndroid.svg/img/SiteIconAndroid.svg https://telegram.org/img/SiteIconAndroid.svg — 200 — 1.2 KiB — 126 ms — h2https://telegram.org/img/SiteAndroid_2x.jpg?2/img/SiteAndroid_2x.jpg?2 https://telegram.org/img/SiteAndroid_2x.jpg?2 — 200 — 58.8 KiB — 126 ms — h2https://telegram.org/img/SiteTDesktop_2x.jpg?1/img/SiteTDesktop_2x.jpg?1 https://telegram.org/img/SiteTDesktop_2x.jpg?1 — 200 — 43.1 KiB — 124 ms — h2https://telegram.org/img/tl_arrow_2x.png/img/tl_arrow_2x.png https://telegram.org/img/tl_arrow_2x.png — 200 — 1.3 KiB — 124 ms — h2https://telegram.org/js/tgsticker-worker.js?14/js/tgsticker-worker.js?14 https://telegram.org/js/tgsticker-worker.js?14 — 200 — 227 B — 168 ms — h2https://telegram.org/img/t_logo_sprite.svg/img/t_logo_sprite.svg https://telegram.org/img/t_logo_sprite.svg — 200 — 7.7 KiB — 54 ms — h2https://telegram.org/img/t_main_Android_demo_2x.mp4/img/t_main_Android_demo_2x.mp4 https://telegram.org/img/t_main_Android_demo_2x.mp4 — 206 — 9.5 KiB — 39 ms — h2https://telegram.org/img/t_main_Android_demo_2x.mp4/img/t_main_Android_demo_2x.mp4 https://telegram.org/img/t_main_Android_demo_2x.mp4 — 206 — 576.8 KiB — 48 ms — h2https://telegram.org/js/rlottie-wasm.js/js/rlottie-wasm.js https://telegram.org/js/rlottie-wasm.js — 200 — 30.8 KiB — 43 ms — h2https://telegram.org/img/favicon.ico/img/favicon.ico https://telegram.org/img/favicon.ico — 200 — 15.0 KiB — 35 ms — h2https://telegram.org/js/rlottie-wasm.wasm/js/rlottie-wasm.wasm https://telegram.org/js/rlottie-wasm.wasm — 200 — 151.6 KiB — 48 ms — h2https://telegram.org/js/pako-inflate.min.js/js/pako-inflate.min.js https://telegram.org/js/pako-inflate.min.js — 200 — 8.7 KiB — 37 ms — h2
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s FCP 1.1 s LCP 5.0 shttps://telegram.org// https://telegram.org/ — 200 — 6.0 KiB — 111 ms — h2https://telegram.org/css/bootstrap.min.css?3/css/bootstrap.min.css?3 https://telegram.org/css/bootstrap.min.css?3 — 200 — 10.1 KiB — 43 ms — h2https://telegram.org/css/telegram.css?249/css/telegram.css?249 https://telegram.org/css/telegram.css?249 — 200 — 30.3 KiB — 73 ms — h2https://telegram.org/file/400780400931/3/L6HFfelQm5E.394826.jpg/c82f3df5fb2bdde5f3/file/400780400931/3/L6HFfelQm5E.39... https://telegram.org/file/400780400931/3/L6HFfelQm5E.394826.jpg/c82f3df5fb2bdde5f3 — 200 — 369.9 KiB — 173 ms — h2https://telegram.org/file/400780400115/5/Cv5ZyIIoOC0.324347.jpg/9b317921d13d7c6dda/file/400780400115/5/Cv5ZyIIoOC0.32... https://telegram.org/file/400780400115/5/Cv5ZyIIoOC0.324347.jpg/9b317921d13d7c6dda — 200 — 300.6 KiB — 217 ms — h2https://telegram.org/file/464001897/3/f0Go0rLpEwk.11343.png/dd4eeb46cc5efc0688/file/464001897/3/f0Go0rLpEwk.11343... https://telegram.org/file/464001897/3/f0Go0rLpEwk.11343.png/dd4eeb46cc5efc0688 — 200 — 11.3 KiB — 149 ms — h2https://telegram.org/file/464001737/4/Fn57W9l3xI0.15286.png/d4b936ecc2c939f4fa/file/464001737/4/Fn57W9l3xI0.15286... https://telegram.org/file/464001737/4/Fn57W9l3xI0.15286.png/d4b936ecc2c939f4fa — 200 — 15.2 KiB — 149 ms — h2https://telegram.org/file/464001560/2/n7EACfx4FPY.16465.png/7318c11715aa2ec45b/file/464001560/2/n7EACfx4FPY.16465... https://telegram.org/file/464001560/2/n7EACfx4FPY.16465.png/7318c11715aa2ec45b — 200 — 16.3 KiB — 149 ms — h2https://telegram.org/js/main.js?47/js/main.js?47 https://telegram.org/js/main.js?47 — 200 — 6.9 KiB — 149 ms — h2https://telegram.org/js/tgsticker.js?31/js/tgsticker.js?31 https://telegram.org/js/tgsticker.js?31 — 200 — 6.9 KiB — 149 ms — h2https://telegram.org/file/464001132/3/-1qvqKPZsQQ.17975.png/7d57d7159cf4fbe9b2/file/464001132/3/-1qvqKPZsQQ.17975... https://telegram.org/file/464001132/3/-1qvqKPZsQQ.17975.png/7d57d7159cf4fbe9b2 — 200 — 17.8 KiB — 165 ms — h2https://telegram.org/file/464001828/11e9a/1yY7a721t4o.30567.png/e113973dae2bee508b/file/464001828/11e9a/1yY7a721t4o.3... https://telegram.org/file/464001828/11e9a/1yY7a721t4o.30567.png/e113973dae2bee508b — 200 — 30.1 KiB — 166 ms — h2https://telegram.org/file/464001880/3/xOpm7ohoHQ0.12690.png/feb1e161b1d3608613/file/464001880/3/xOpm7ohoHQ0.12690... https://telegram.org/file/464001880/3/xOpm7ohoHQ0.12690.png/feb1e161b1d3608613 — 200 — 12.7 KiB — 166 ms — h2https://telegram.org/file/464001453/3/mNzXWC3RX0c.15740.png/9ce5fa5f3fb74460b4/file/464001453/3/mNzXWC3RX0c.15740... https://telegram.org/file/464001453/3/mNzXWC3RX0c.15740.png/9ce5fa5f3fb74460b4 — 200 — 15.6 KiB — 166 ms — h2https://telegram.org/file/464001402/5/eOMSj3GzJXo.13579.png/f3cec6c451d023c109/file/464001402/5/eOMSj3GzJXo.13579... https://telegram.org/file/464001402/5/eOMSj3GzJXo.13579.png/f3cec6c451d023c109 — 200 — 13.5 KiB — 167 ms — h2https://telegram.org/file/464001166/2/FzTl8_M5mQA.19325.png/b6c5dbc0e4f6553805/file/464001166/2/FzTl8_M5mQA.19325... https://telegram.org/file/464001166/2/FzTl8_M5mQA.19325.png/b6c5dbc0e4f6553805 — 200 — 19.1 KiB — 167 ms — h2https://telegram.org/img/t_main_Android_demo_2x.mp4/img/t_main_Android_demo_2x.mp4 https://telegram.org/img/t_main_Android_demo_2x.mp4 — 206 — 207 B — 170 ms — h2data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0…www.w3.org/2000/svg' width='16' hei... data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0… — 200 — 0 B — 0 ms — datahttps://telegram.org/img/SiteIconAndroid.svg/img/SiteIconAndroid.svg https://telegram.org/img/SiteIconAndroid.svg — 200 — 1.2 KiB — 126 ms — h2https://telegram.org/img/SiteAndroid_2x.jpg?2/img/SiteAndroid_2x.jpg?2 https://telegram.org/img/SiteAndroid_2x.jpg?2 — 200 — 58.8 KiB — 126 ms — h2https://telegram.org/img/SiteTDesktop_2x.jpg?1/img/SiteTDesktop_2x.jpg?1 https://telegram.org/img/SiteTDesktop_2x.jpg?1 — 200 — 43.1 KiB — 124 ms — h2https://telegram.org/img/tl_arrow_2x.png/img/tl_arrow_2x.png https://telegram.org/img/tl_arrow_2x.png — 200 — 1.3 KiB — 124 ms — h2https://telegram.org/js/tgsticker-worker.js?14/js/tgsticker-worker.js?14 https://telegram.org/js/tgsticker-worker.js?14 — 200 — 227 B — 168 ms — h2https://telegram.org/img/t_logo_sprite.svg/img/t_logo_sprite.svg https://telegram.org/img/t_logo_sprite.svg — 200 — 7.7 KiB — 54 ms — h2https://telegram.org/img/t_main_Android_demo_2x.mp4/img/t_main_Android_demo_2x.mp4 https://telegram.org/img/t_main_Android_demo_2x.mp4 — 206 — 9.5 KiB — 39 ms — h2https://telegram.org/img/t_main_Android_demo_2x.mp4/img/t_main_Android_demo_2x.mp4 https://telegram.org/img/t_main_Android_demo_2x.mp4 — 206 — 576.8 KiB — 48 ms — h2https://telegram.org/js/rlottie-wasm.js/js/rlottie-wasm.js https://telegram.org/js/rlottie-wasm.js — 200 — 30.8 KiB — 43 ms — h2https://telegram.org/img/favicon.ico/img/favicon.ico https://telegram.org/img/favicon.ico — 200 — 15.0 KiB — 35 ms — h2https://telegram.org/js/rlottie-wasm.wasm/js/rlottie-wasm.wasm https://telegram.org/js/rlottie-wasm.wasm — 200 — 151.6 KiB — 48 ms — h2https://telegram.org/js/pako-inflate.min.js/js/pako-inflate.min.js https://telegram.org/js/pako-inflate.min.js — 200 — 8.7 KiB — 37 ms — h2https://telegram.org/js/tgsticker-worker.js?14/js/tgsticker-worker.js?14 https://telegram.org/js/tgsticker-worker.js?14 — 200 — 0 B — 53 ms — h2https://telegram.org/js/tgsticker-worker.js?14/js/tgsticker-worker.js?14 https://telegram.org/js/tgsticker-worker.js?14 — 200 — 0 B — 65 ms — h2https://telegram.org/js/tgsticker-worker.js?14/js/tgsticker-worker.js?14 https://telegram.org/js/tgsticker-worker.js?14 — 200 — 0 B — 51 ms — h2https://telegram.org/js/rlottie-wasm.js/js/rlottie-wasm.js https://telegram.org/js/rlottie-wasm.js — 200 — 0 B — 6 ms — h2https://telegram.org/js/rlottie-wasm.js/js/rlottie-wasm.js https://telegram.org/js/rlottie-wasm.js — 200 — 0 B — 7 ms — h2https://telegram.org/js/rlottie-wasm.js/js/rlottie-wasm.js https://telegram.org/js/rlottie-wasm.js — 200 — 0 B — 6 ms — h2https://telegram.org/js/rlottie-wasm.wasm/js/rlottie-wasm.wasm https://telegram.org/js/rlottie-wasm.wasm — 200 — 0 B — 15 ms — h2https://telegram.org/js/rlottie-wasm.wasm/js/rlottie-wasm.wasm https://telegram.org/js/rlottie-wasm.wasm — 200 — 0 B — 21 ms — h2https://telegram.org/js/pako-inflate.min.js/js/pako-inflate.min.js https://telegram.org/js/pako-inflate.min.js — 200 — 0 B — 9 ms — h2https://telegram.org/js/pako-inflate.min.js/js/pako-inflate.min.js https://telegram.org/js/pako-inflate.min.js — 200 — 0 B — 9 ms — h2https://telegram.org/js/rlottie-wasm.wasm/js/rlottie-wasm.wasm https://telegram.org/js/rlottie-wasm.wasm — 200 — 0 B — 16 ms — h2https://telegram.org/js/pako-inflate.min.js/js/pako-inflate.min.js https://telegram.org/js/pako-inflate.min.js — 200 — 0 B — 7 ms — h2https://telegram.org/file/464001484/1/bzi7gr7XRGU.10147/815df2ef527132dd23/file/464001484/1/bzi7gr7XRGU.10147... https://telegram.org/file/464001484/1/bzi7gr7XRGU.10147/815df2ef527132dd23 — 200 — 10.2 KiB — 37 ms — h2https://telegram.org/file/464001828/11e99/2FUYW30UXAI.12708/7604effa1e02ddf7f9/file/464001828/11e99/2FUYW30UXAI.1... https://telegram.org/file/464001828/11e99/2FUYW30UXAI.12708/7604effa1e02ddf7f9 — 200 — 12.7 KiB — 39 ms — h2https://telegram.org/file/464001418/1/fabnJFzygPY.17422/bc9dec9fd8bd26e00e/file/464001418/1/fabnJFzygPY.17422... https://telegram.org/file/464001418/1/fabnJFzygPY.17422/bc9dec9fd8bd26e00e — 200 — 17.3 KiB — 40 ms — h2https://telegram.org/file/464001560/1/zLlKYgeDLoA.14496/62085b07461f2d87e4/file/464001560/1/zLlKYgeDLoA.14496... https://telegram.org/file/464001560/1/zLlKYgeDLoA.14496/62085b07461f2d87e4 — 200 — 14.4 KiB — 40 ms — h2https://telegram.org/file/464001880/2/VGTLBN3QuYM.10959/8940838e7dddc787d8/file/464001880/2/VGTLBN3QuYM.10959... https://telegram.org/file/464001880/2/VGTLBN3QuYM.10959/8940838e7dddc787d8 — 200 — 11.0 KiB — 41 ms — h2https://telegram.org/file/464001453/2/eW_MzRhUGoM.10926/fe1f3bc3dd08367c0a/file/464001453/2/eW_MzRhUGoM.10926... https://telegram.org/file/464001453/2/eW_MzRhUGoM.10926/fe1f3bc3dd08367c0a — 200 — 10.9 KiB — 42 ms — h2https://telegram.org/file/464001493/2/hV6uPcaHk_E.17388/dcccb066a7b4fe44ee/file/464001493/2/hV6uPcaHk_E.17388... https://telegram.org/file/464001493/2/hV6uPcaHk_E.17388/dcccb066a7b4fe44ee — 200 — 17.2 KiB — 44 ms — h2https://telegram.org/file/464001812/2/kLAK2TPyvUU.12545/f68c1caf735a2ea3db/file/464001812/2/kLAK2TPyvUU.12545... https://telegram.org/file/464001812/2/kLAK2TPyvUU.12545/f68c1caf735a2ea3db — 200 — 12.5 KiB — 48 ms — h2https://telegram.org/file/464001166/1/01aTJ2ISKeU.21801/24028c7b6d07639794/file/464001166/1/01aTJ2ISKeU.21801... https://telegram.org/file/464001166/1/01aTJ2ISKeU.21801/24028c7b6d07639794 — 200 — 21.3 KiB — 56 ms — h2
HTML JavaScript CSS Images Fonts XHR/Fetch Other
Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
27% of JavaScript execution is third-party
First-party Third-party 325ms · 0KB · €4/mo
Unattributable
Other
Costly
Execution 325ms
Transfer 0 KB
Monthly Cost €4/mo

These scripts may cost more than they're worth

  • Unattributable adds 325ms and costs ~€4/month

Unattributable takes 325ms 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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