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Performance

· 15 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
78
GRADE
C
FIX
3
REVIEW
2
PASS
8
INFO
2

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

Mobile Desktop
90
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
88
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.

924 ms

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

1.56 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.

1.90 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.

1.56 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
8 PASS 2 REVIEW 3 FIX
F
Page Weight Budget
Action
3.5 MB transferred, 34 requests
FIX
3.5 MB transferred, 34 requests
Warning::
Page weighs 6.1 MB (3.5 MB transferred)
Warning::
Images are 2.2 MB — compress or use modern formats
Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
Got: 2.2 MB
Warning::
JavaScript is 664 KB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 664 KB
Info::
CSS is 326 KB — consider purging unused styles
Remove unused CSS rules with tools like PurgeCSS to reduce stylesheet size.
Got: 326 KB
Info::
Fonts are 294 KB — consider subsetting or using system fonts
Subset fonts to include only used characters, or switch to system font stacks.
Got: 294 KB
Info::
34 HTTP requests
Info::
Estimated 0.74 g CO2 per page load
3.5 MB / 2.4 MB budget
3.5 MB transferred
34 requests
0.74 g CO2 per page load
Images 2.2 MiB 64%
JavaScript 663.6 KiB 18%
CSS 325.6 KiB 9%
Fonts 293.9 KiB 8%
HTML 11.4 KiB 0%
Other 1.4 KiB 0%
Other 1012 B 0%
Other 550 B 0%
0 2.4 MB 4.9 MB
Over budget

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

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

Remove unused CSS rules with tools like PurgeCSS to reduce stylesheet size.

Why this matters

CSS bundle is large — purge unused styles (PurgeCSS, Tailwind JIT) to reduce CSS payload.

Source: web.dev

Subset fonts to include only used characters, or switch to system font stacks.

Why this matters

Font payload is large — subset to used glyphs only, or fall back to system fonts (zero load time).

Source: web.dev font loading

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 (3.5 MiB of 3.5 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
D
Page Weight Inventory
Action
34 resources · 3.5 MB · 103 KB savings available
FIX
34 resources · 3.5 MB · 103 KB savings available
Warning::
Page weight 2.5 MB over 1MB target
Got: 3.5 MB Expected: ≤ 1 MB
Info::
~103 KB of savings available
Warning::
33 third-party resources (100% of weight)
Info::
6 resources over 200KB
34 resources · 3.5 MiB · 33 third-party 2.5 MiB over 1MB target
Image 64% · 2.2 MiB
JavaScript 18% · 663.6 KiB
CSS 9% · 325.6 KiB
Font 8% · 293.9 KiB
Document 0% · 11.8 KiB
Other 0% · 1.9 KiB

~102.8 KiB of savings available

Remove unused JavaScript: 102.8 KiB
B
Image Optimization
10 images, 0 KB saveable
REVIEW
10 images, 0 KB saveable
Warning::
https://www.nysenate.gov/themes/custom/nysenate_th... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
10 images 2.2 MB
0 oversized -0 KB
10 legacy format
1 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

B
JS Bundles
8 scripts, 103 KB unused
REVIEW
8 scripts, 103 KB unused
Warning::
https://www.googletagmanager.com/gtag/js?id=G-01H6...: 65 KB unused (41%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.nysenate.gov/sites/default/files/js/js...: 38 KB unused (74%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 103 KB
103 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.googletagmanager.com/gtag/js?id=G-01H6J3L7N6157 KB65 KB (41%)✓3rd
https://www.nysenate.gov/sites/default/files/js/js_1aYZpkP1KwpjEJhwoALf4UTdYUu1ZHCe1OPjEh3ROJ4.js?scope=footer&delta=0&language=en&theme=nys&include=eJx1jeEKgzAMhF_Ito9UMjzTDptIWud8-1UQxhz-Cffx3ZFJpdGGqgVh-mZfXzxM987XlMvAqjwjNuLA_VzZ05Peg-w1pj5biBETTMMPHR5Crc8SjkegthpGV5vafrWCrZpqcTPJmIX__IkugUbYrV5Mi7asQrN7kEivGmU5a6VHVyDrB0oocLY51 KB38 KB (74%)✓3rd
https://www.nysenate.gov/sites/default/files/js/js_UIJrjmnibZIqr1SDb-o545VRgM44_BDJF33KyXGVIQI.js?scope=header&delta=0&language=en&theme=nys&include=eJx1jeEKgzAMhF_Ito9UMjzTDptIWud8-1UQxhz-Cffx3ZFJpdGGqgVh-mZfXzxM987XlMvAqjwjNuLA_VzZ05Peg-w1pj5biBETTMMPHR5Crc8SjkegthpGV5vafrWCrZpqcTPJmIX__IkugUbYrV5Mi7asQrN7kEivGmU5a6VHVyDrB0oocLY0 KB—✓3rd
https://www.nysenate.gov/modules/contrib/google_tag/js/gtag.js?tdwgv21 KB—✓3rd
https://www.nysenate.gov/modules/contrib/seckit/js/seckit.document_write.js0 KB—✓3rd
https://use.fontawesome.com/releases/v5.15.4/js/all.js436 KB—✓3rd
https://use.fontawesome.com/releases/v5.15.4/js/v4-shims.js5 KB—✓3rd
https://www.nysenate.gov/cdn-cgi/challenge-platform/h/b/scripts/jsd/0b8fb825cb67/main.js?13 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

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+
JS Execution Cost
401ms total JS execution
PASS
401ms total JS execution
Info::
https://www.nysenate.gov/: 174ms CPU time
Info::
https://www.googletagmanager.com/gtag/js?id=G-01H6...: 82ms CPU time
Info::
Unattributable: 76ms CPU time
Info::
https://www.nysenate.gov/cdn-cgi/challenge-platfor...: 70ms CPU time
Warning::
Third-party scripts: 401ms (100% of total)

Main Thread Breakdown

Script Evaluation 34% Style & Layout 28% Other 16% Script Parsing & Compilation 12% Parse HTML & CSS 7%
ScriptTotalScriptingParse/CompileParty
https://www.nysenate.gov/174ms11ms1ms3rd
https://www.googletagmanager.com/gtag/js?id=G-01H6J3L7N682ms66ms15ms3rd
Unattributable76ms2ms0ms3rd
https://www.nysenate.gov/cdn-cgi/challenge-platform/scripts/jsd/main.js70ms67ms1ms3rd
A+
Font Loading
7 fonts (294 KB)
PASS
7 fonts (294 KB)
Info::
7 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

7

294 KB total

Render-blocking

0

of 7

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 924 ms LCP 1.6 shttps://www.nysenate.gov/themes/custom/nysenate_theme/dist/fonts/senate_icons.woff2senate_icons.woff2 https://www.nysenate.gov/themes/custom/nysenate_theme/dist/fonts/senate_icons.woff2 — 5.9 KiB — 48 ms — font-display: swaphttps://www.nysenate.gov/themes/custom/nysenate_theme/dist/fonts/ProximaNova-Regular.woffProximaNova-Regular.woff https://www.nysenate.gov/themes/custom/nysenate_theme/dist/fonts/ProximaNova-Regular.woff — 79.2 KiB — 49 ms — font-display: swaphttps://www.nysenate.gov/themes/custom/nysenate_theme/dist/fonts/FreightText-Book.woffFreightText-Book.woff https://www.nysenate.gov/themes/custom/nysenate_theme/dist/fonts/FreightText-Book.woff — 38.6 KiB — 33 ms — font-display: swaphttps://www.nysenate.gov/themes/custom/nysenate_theme/dist/fonts/ProximaNova-Semibold.woffProximaNova-Semibold.woff https://www.nysenate.gov/themes/custom/nysenate_theme/dist/fonts/ProximaNova-Semibold.woff — 78.8 KiB — 51 ms — font-display: swaphttps://www.nysenate.gov/themes/custom/nysenate_theme/dist/fonts/adelle_semibold-webfont.woffadelle_semibold-webfont... https://www.nysenate.gov/themes/custom/nysenate_theme/dist/fonts/adelle_semibold-webfont.woff — 34.7 KiB — 41 ms — font-display: swaphttps://www.nysenate.gov/themes/custom/nysenate_theme/dist/fonts/adelle_light-webfont.woffadelle_light-webfont.woff https://www.nysenate.gov/themes/custom/nysenate_theme/dist/fonts/adelle_light-webfont.woff — 29.3 KiB — 44 ms — font-display: swaphttps://www.nysenate.gov/themes/custom/nysenate_theme/dist/fonts/adelle_bold-webfont.woffadelle_bold-webfont.woff https://www.nysenate.gov/themes/custom/nysenate_theme/dist/fonts/adelle_bold-webfont.woff — 27.4 KiB — 47 ms — font-display: swap
senate_icons.woff2 woff2 swap
Size 6 KB
Load time 48 ms
Start 1.2 s
Risk FOUT — text flashes from fallback to web font
ProximaNova-Regular.woff woff swap
Size 79 KB
Load time 49 ms
Start 1.4 s
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
FreightText-Book.woff woff swap
Size 39 KB
Load time 33 ms
Start 1.4 s
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
ProximaNova-Semibold.woff woff swap
Size 79 KB
Load time 51 ms
Start 1.4 s
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
adelle_semibold-webfont... woff swap
Size 35 KB
Load time 41 ms
Start 1.4 s
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
adelle_light-webfont.woff woff swap
Size 29 KB
Load time 44 ms
Start 1.4 s
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
adelle_bold-webfont.woff woff swap
Size 27 KB
Load time 47 ms
Start 1.4 s
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 ~86 KB and ~172 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
A+
Green Hosting
Whether the site is served from green-energy infrastructure
PASS

Green Hosting

This site is hosted on green energy infrastructure

Provider: Cloudflare

A
HTTP Caching
max-age=14400 (4 hours)
PASS
max-age=14400 (4 hours)
Info::
Cache-Control header is set
Got: public, max-age=14400
Info::
Effective TTL: 4 hours (max-age=14400)
Info::
No ETag or Last-Modified header
Conditional requests (304 Not Modified) are not possible without validators.
Cache-Control

public, max-age=14400

DirectiveValueMeaning
public—Any cache may store this response
max-age14400Cache for 4 hours
Effective TTL: 14400 seconds
Network Waterfall
34 requests over 1737ms
INFO
0 ms 500 ms 1.0 s 1.5 s FCP 924 ms LCP 1.6 shttps://nysenate.gov// https://nysenate.gov/ — 301 — 477 B — 54 ms — h2https://www.nysenate.gov/www.nysenate.gov/ https://www.nysenate.gov/ — 200 — 11.4 KiB — 1.1 s — h2https://www.nysenate.gov/sites/default/files/css/css_vVtoayEXo5nJ__snWzKxzqVbtTva7GZDo9WNb4WgFnQ.css?delta=0&language=en&theme=nys&include=eJx9kVFuhDAMRC9EliMhQ2YhlWMjx9DS0zeUqt0FbX-iyTzLjicDUylb21NBMxw6oxQaUZpBDW20ZSa-0Rt9HIaoZeL0iUa20o6sPfEuu0HFLfUdscMqSdLpCrMUa69aACFH5xMyWjJPAyPMddCZ3UG-GGIorrad6d_AR3eC6dkTvBdTzYFJYpLxwn-ugQZPKj3Zy4q7at3pJZ5A8R_MGFNh8rQiYIX4JY7f0tk06_4a4tCTyLXrnljdaNPFG6Oa8VMsD06uMmTI8mQiJmrKVhz5-PQ11Zja7_OWNS6MLxZk0Kswww.nysenate.gov/sites/default/file... https://www.nysenate.gov/sites/default/files/css/css_vVtoayEXo5nJ__snWzKxzqVbtTva7GZDo9WNb4WgFnQ.css?delta=0&language=en&theme=nys&include=eJx9kVFuhDAMRC9EliMhQ2YhlWMjx9DS0zeUqt0FbX-iyTzLjicDUylb21NBMxw6oxQaUZpBDW20ZSa-0Rt9HIaoZeL0iUa20o6sPfEuu0HFLfUdscMqSdLpCrMUa69aACFH5xMyWjJPAyPMddCZ3UG-GGIorrad6d_AR3eC6dkTvBdTzYFJYpLxwn-ugQZPKj3Zy4q7at3pJZ5A8R_MGFNh8rQiYIX4JY7f0tk06_4a4tCTyLXrnljdaNPFG6Oa8VMsD06uMmTI8mQiJmrKVhz5-PQ11Zja7_OWNS6MLxZk0Ks — 200 — 1.8 KiB — 44 ms — h2https://www.nysenate.gov/sites/default/files/css/css_owkYtwHXjHnzNX1H6jQiO2plgrhtrnTZw-QiCTdzpPI.css?delta=1&language=en&theme=nys&include=eJx9kVFuhDAMRC9EliMhQ2YhlWMjx9DS0zeUqt0FbX-iyTzLjicDUylb21NBMxw6oxQaUZpBDW20ZSa-0Rt9HIaoZeL0iUa20o6sPfEuu0HFLfUdscMqSdLpCrMUa69aACFH5xMyWjJPAyPMddCZ3UG-GGIorrad6d_AR3eC6dkTvBdTzYFJYpLxwn-ugQZPKj3Zy4q7at3pJZ5A8R_MGFNh8rQiYIX4JY7f0tk06_4a4tCTyLXrnljdaNPFG6Oa8VMsD06uMmTI8mQiJmrKVhz5-PQ11Zja7_OWNS6MLxZk0Kswww.nysenate.gov/sites/default/file... https://www.nysenate.gov/sites/default/files/css/css_owkYtwHXjHnzNX1H6jQiO2plgrhtrnTZw-QiCTdzpPI.css?delta=1&language=en&theme=nys&include=eJx9kVFuhDAMRC9EliMhQ2YhlWMjx9DS0zeUqt0FbX-iyTzLjicDUylb21NBMxw6oxQaUZpBDW20ZSa-0Rt9HIaoZeL0iUa20o6sPfEuu0HFLfUdscMqSdLpCrMUa69aACFH5xMyWjJPAyPMddCZ3UG-GGIorrad6d_AR3eC6dkTvBdTzYFJYpLxwn-ugQZPKj3Zy4q7at3pJZ5A8R_MGFNh8rQiYIX4JY7f0tk06_4a4tCTyLXrnljdaNPFG6Oa8VMsD06uMmTI8mQiJmrKVhz5-PQ11Zja7_OWNS6MLxZk0Ks — 200 — 323.6 KiB — 47 ms — h2https://www.nysenate.gov/sites/default/files/js/js_UIJrjmnibZIqr1SDb-o545VRgM44_BDJF33KyXGVIQI.js?scope=header&delta=0&language=en&theme=nys&include=eJx1jeEKgzAMhF_Ito9UMjzTDptIWud8-1UQxhz-Cffx3ZFJpdGGqgVh-mZfXzxM987XlMvAqjwjNuLA_VzZ05Peg-w1pj5biBETTMMPHR5Crc8SjkegthpGV5vafrWCrZpqcTPJmIX__IkugUbYrV5Mi7asQrN7kEivGmU5a6VHVyDrB0oocLYwww.nysenate.gov/sites/default/file... https://www.nysenate.gov/sites/default/files/js/js_UIJrjmnibZIqr1SDb-o545VRgM44_BDJF33KyXGVIQI.js?scope=header&delta=0&language=en&theme=nys&include=eJx1jeEKgzAMhF_Ito9UMjzTDptIWud8-1UQxhz-Cffx3ZFJpdGGqgVh-mZfXzxM987XlMvAqjwjNuLA_VzZ05Peg-w1pj5biBETTMMPHR5Crc8SjkegthpGV5vafrWCrZpqcTPJmIX__IkugUbYrV5Mi7asQrN7kEivGmU5a6VHVyDrB0oocLY — 200 — 391 B — 45 ms — h2https://www.nysenate.gov/modules/contrib/google_tag/js/gtag.js?tdwgv2www.nysenate.gov/modules/contrib/go... https://www.nysenate.gov/modules/contrib/google_tag/js/gtag.js?tdwgv2 — 200 — 788 B — 47 ms — h2https://www.nysenate.gov/themes/custom/nysenate_theme/dist/fonts/senate_icons.woff2www.nysenate.gov/themes/custom/nyse... https://www.nysenate.gov/themes/custom/nysenate_theme/dist/fonts/senate_icons.woff2 — 200 — 5.9 KiB — 48 ms — h2https://www.nysenate.gov/modules/contrib/seckit/js/seckit.document_write.jswww.nysenate.gov/modules/contrib/se... https://www.nysenate.gov/modules/contrib/seckit/js/seckit.document_write.js — 200 — 301 B — 49 ms — h2https://www.nysenate.gov/modules/contrib/seckit/css/seckit.no_body.csswww.nysenate.gov/modules/contrib/se... https://www.nysenate.gov/modules/contrib/seckit/css/seckit.no_body.css — 200 — 238 B — 50 ms — h2https://www.nysenate.gov/themes/custom/nysenate_theme/src/assets/default_image.jpegwww.nysenate.gov/themes/custom/nyse... https://www.nysenate.gov/themes/custom/nysenate_theme/src/assets/default_image.jpeg — 200 — 77.5 KiB — 44 ms — h2https://www.nysenate.gov/themes/custom/nysenate_theme/src/assets/nys_logo224x224.pngwww.nysenate.gov/themes/custom/nyse... https://www.nysenate.gov/themes/custom/nysenate_theme/src/assets/nys_logo224x224.png — 200 — 34.5 KiB — 51 ms — 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https://www.google-analytics.com/g/collect?v=2&tid=G-01H6J3L7N6&gtm=45je64k0v9172461988za200zd9172461988&_p=1776894738181&gcd=13l3l3l3l1l1&npa=0&dma=0&gdid=dMDhkMT&are=1&cid=1960317367.1776894739&frm=0&pscdl=noapi&rcb=14&sr=800x600&uaa=x86&uab=64&uafvl=Not-A.Brand%3B24.0.0.0%7CChromium%3B146.0.7680.164&uam=&uamb=0&uap=macOS&uapv=10.15.7&uaw=0&ul=en-us&_s=1&tag_exp=0~115616986~115938466~115938468~117266400~117512543~117884344&sid=1776894738&sct=1&seg=0&dl=https%3A%2F%2Fwww.nysenate.gov%2F&dt=The%20New%20York%20State%20Senate&en=page_view&_fv=1&_nsi=1&_ss=1&_ee=1&tfd=1630 — 204 — 550 B — 79 ms — h2https://www.nysenate.gov/cdn-cgi/challenge-platform/h/b/jsd/oneshot/0b8fb825cb67/0.701626560664917:1776892374:gQJljF0aZZrIO3IynWNGsIOLzRNC3tjn0Mr3NcjBzVE/9f07daca1f6acef2www.nysenate.gov/cdn-cgi/challenge-... https://www.nysenate.gov/cdn-cgi/challenge-platform/h/b/jsd/oneshot/0b8fb825cb67/0.701626560664917:1776892374:gQJljF0aZZrIO3IynWNGsIOLzRNC3tjn0Mr3NcjBzVE/9f07daca1f6acef2 — 200 — 1012 B — 9 ms — h2https://www.nysenate.gov/themes/custom/nysenate_theme/favicon.icowww.nysenate.gov/themes/custom/nyse... https://www.nysenate.gov/themes/custom/nysenate_theme/favicon.ico — 200 — 537 B — 27 ms — h2
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 401ms · 169KB · $5/mo
www.nysenate.gov
Other
Optional
Execution 174ms
Transfer 11 KB
Monthly Cost $2/mo
Google Tag Manager
Tag Manager
Optional
Execution 82ms
Transfer 157 KB
Unused 41%
Monthly Cost $1/mo
Unattributable
Other
Optional
Execution 76ms
Transfer 0 KB
Monthly Cost $1/mo
www.nysenate.gov
Other
Optional
Execution 70ms
Transfer 0 KB
Monthly Cost $1/mo

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

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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