Skip to content
https://doc.gov

Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
90
GRADE
A
FIX
2
REVIEW
1
PASS
12
INFO
2

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

86
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
90
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.
40
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.

1.14 s

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

2.08 s

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

512 ms

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

0.002

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

2.16 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.

3.44 s

Page Load Progression

428 ms
856 ms
1.3 s
1.7 s
2.1 s
2.6 s
3.0 s
3.4 s
Checks
17
12 PASS 1 REVIEW 2 FIX
D
Third-Party Impact
Action
82% third-party, 0 ms blocking
FIX
82% third-party, 0 ms blocking
Warning::
Third-party code accounts for 82% of page weight (425.9 KiB of 522.0 KiB)
Info::
Third-party blocking time is low (0 ms)
18%
82%
First-party Third-party
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
JS Execution Cost
Action
1117ms total JS execution
REVIEW
1117ms total JS execution
Warning::
https://doc.gov/cdn-cgi/challenge-platform/h/b/orc...: 901ms CPU time
Info::
Unattributable: 138ms CPU time
Info::
https://doc.gov/: 78ms CPU time
Info::
Third-party scripts: 138ms (12% of total)

Main Thread Breakdown

Script Evaluation 78% Other 15% Style & Layout 3%
ScriptTotalScriptingParse/CompileParty
https://doc.gov/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9f0736a32b59e804901ms866ms15ms1st
Unattributable138ms4ms0ms3rd
https://doc.gov/78ms7ms2ms1st
A+
Page Weight Budget
522 KB transferred, 19 requests
PASS
522 KB transferred, 19 requests
Info::
Page weighs 941 KB (522 KB transferred)
Info::
19 HTTP requests
Info::
Estimated 0.11 g CO2 per page load
522 KB / 2.4 MB budget
522 KB transferred
19 requests
0.11 g CO2 per page load
Other 308.7 KiB 59%
HTML 100.9 KiB 19%
JavaScript 97.9 KiB 19%
Images 9.4 KiB 2%
Other 3.5 KiB 1%
Other 1.7 KiB 0%
0 2.4 MB 4.9 MB
Under budget
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
3 images, 0 KB saveable
PASS
3 images, 0 KB saveable
Info::
All images are well-optimized
3 images 9 KB
0 oversized -0 KB
3 legacy format
0 missing dimensions CLS risk
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
8 scripts, 0 KB unused
PASS
8 scripts, 0 KB unused
0 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://static.cloudflareinsights.com/beacon.min.js/v8c78df7c7c0f484497ecbca7046644da177152312451611 KB3rd
https://doc.gov/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9f0736a32b59e80470 KB1st
blob:https://doc.gov/ea58dcdb-f61b-475f-8d81-95400dbff5790 KB3rd
https://challenges.cloudflare.com/turnstile/v0/b/0b8fb825cb67/api.js?onload=cFRiY3&render=explicit17 KB3rd
blob:https://doc.gov/ec6d249a-60fb-42d4-9176-bd8699b1ee20-0 KB3rd
blob:https://challenges.cloudflare.com/efcf66bb-7727-4aa9-a9d1-e7c550755c5c0 KB3rd
blob:https://challenges.cloudflare.com/1a895b26-2428-4c9e-a3db-bdc583e335cc-0 KB3rd
blob:https://challenges.cloudflare.com/1a895b26-2428-4c9e-a3db-bdc583e335cc-0 KB3rd
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
Page Weight Inventory
19 resources · 522 KB · 0 KB savings available
PASS
19 resources · 522 KB · 0 KB savings available
Info::
Within 1MB page-weight target
Got: 522 KB
Warning::
12 third-party resources (82% of weight)
Info::
1 resources over 200KB
19 resources · 522.0 KiB · 12 third-party Within 1MB page-weight target
Other 59% · 310.4 KiB
Document 20% · 104.3 KiB
JavaScript 19% · 97.9 KiB
Image 2% · 9.4 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
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

Network Waterfall
19 requests over 3324ms
INFO
0 ms 1.0 s 2.0 s 3.0 s FCP 1.1 s LCP 2.1 shttps://doc.gov// https://doc.gov/ — 307 — 57 B — 454 ms — http/1.1https://doc.gov// https://doc.gov/ — 403 — 3.8 KiB — 116 ms — h2https://static.cloudflareinsights.com/beacon.min.js/v8c78df7c7c0f484497ecbca7046644da1771523124516static.cloudflareinsights.com/beaco... https://static.cloudflareinsights.com/beacon.min.js/v8c78df7c7c0f484497ecbca7046644da1771523124516 — 200 — 10.7 KiB — 94 ms — h2https://doc.gov/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9f0736a32b59e804/cdn-cgi/challenge-platform/h/b/orc... https://doc.gov/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9f0736a32b59e804 — 200 — 69.8 KiB — 170 ms — h2blob:https://doc.gov/ea58dcdb-f61b-475f-8d81-95400dbff579doc.gov/ea58dcdb-f61b-475f-8d81-954... blob:https://doc.gov/ea58dcdb-f61b-475f-8d81-95400dbff579 — -1 — 0 B — 0 ms — https://challenges.cloudflare.com/turnstile/v0/b/0b8fb825cb67/api.js?onload=cFRiY3&render=explicitchallenges.cloudflare.com/turnstile... https://challenges.cloudflare.com/turnstile/v0/b/0b8fb825cb67/api.js?onload=cFRiY3&render=explicit — 200 — 17.4 KiB — 99 ms — h3https://doc.gov/favicon.ico/favicon.ico https://doc.gov/favicon.ico — 403 — 5.3 KiB — 119 ms — h2https://doc.gov/cdn-cgi/challenge-platform/h/b/flow/ov1/2922644928:1776885203:paSndfqS6tevw89lSDh7KrofmX69KGpZFXYg2g-fDLY/9f0736a32b59e804/uQKsg5SsEVbsUSbP6u4glF.MCgzQRCeRyx2BtbugeJs-1776888013-1.2.1.1-NY5mza9mKJRaUyjPjlShsXB28Jxte8L6.9YQvxLnw0Pwx4EMTzOWO2X6ZtaErmIH/cdn-cgi/challenge-platform/h/b/flo... https://doc.gov/cdn-cgi/challenge-platform/h/b/flow/ov1/2922644928:1776885203:paSndfqS6tevw89lSDh7KrofmX69KGpZFXYg2g-fDLY/9f0736a32b59e804/uQKsg5SsEVbsUSbP6u4glF.MCgzQRCeRyx2BtbugeJs-1776888013-1.2.1.1-NY5mza9mKJRaUyjPjlShsXB28Jxte8L6.9YQvxLnw0Pwx4EMTzOWO2X6ZtaErmIH — 200 — 13.8 KiB — 136 ms — h2https://doc.gov/cdn-cgi/rum?/cdn-cgi/rum? https://doc.gov/cdn-cgi/rum? — 204 — 143 B — 112 ms — h2https://doc.gov/favicon.ico/favicon.ico https://doc.gov/favicon.ico — 403 — 3.4 KiB — 114 ms — h2blob:https://doc.gov/ec6d249a-60fb-42d4-9176-bd8699b1ee20doc.gov/ec6d249a-60fb-42d4-9176-bd8... blob:https://doc.gov/ec6d249a-60fb-42d4-9176-bd8699b1ee20 — 200 — -1 B — 22 ms — blobhttps://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/turnstile/f/ov2/av0/rch/sfs7r/0x4AAAAAAADnPIDROrmt1Wwj/light/fbE/new/normal?lang=autochallenges.cloudflare.com/cdn-cgi/c... https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/turnstile/f/ov2/av0/rch/sfs7r/0x4AAAAAAADnPIDROrmt1Wwj/light/fbE/new/normal?lang=auto — 200 — 97.1 KiB — 113 ms — h3https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/cmg/1challenges.cloudflare.com/cdn-cgi/c... https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/cmg/1 — 200 — 208 B — 28 ms — h3blob:https://challenges.cloudflare.com/efcf66bb-7727-4aa9-a9d1-e7c550755c5cchallenges.cloudflare.com/efcf66bb-... blob:https://challenges.cloudflare.com/efcf66bb-7727-4aa9-a9d1-e7c550755c5c — -1 — 0 B — 0 ms — https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/flow/ov1/2461874605:1776885205:fNEyEjrf0sS0M46VGAbg94TJe9j7x0rcIXeX7-8JsUc/9f0736a71947698c/KfIzWzX_cFOKOm90sjAyVxd1oM7PJ0D4hkXAsNX1jEo-1776888013-1.2.1.1-r.NaTdJS99PmQ4cR70abWpTb2INDu0YQ0xNrm9ZNurGbzpUR4AVieURnK1CsNf74challenges.cloudflare.com/cdn-cgi/c... https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/flow/ov1/2461874605:1776885205:fNEyEjrf0sS0M46VGAbg94TJe9j7x0rcIXeX7-8JsUc/9f0736a71947698c/KfIzWzX_cFOKOm90sjAyVxd1oM7PJ0D4hkXAsNX1jEo-1776888013-1.2.1.1-r.NaTdJS99PmQ4cR70abWpTb2INDu0YQ0xNrm9ZNurGbzpUR4AVieURnK1CsNf74 — 200 — 294.8 KiB — 207 ms — h3blob:https://challenges.cloudflare.com/1a895b26-2428-4c9e-a3db-bdc583e335ccchallenges.cloudflare.com/1a895b26-... blob:https://challenges.cloudflare.com/1a895b26-2428-4c9e-a3db-bdc583e335cc — 200 — -1 B — 64 ms — blobhttps://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/d/9f0736a71947698c/1776888014267/EYA-5F6D0lxvtg9challenges.cloudflare.com/cdn-cgi/c... https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/d/9f0736a71947698c/1776888014267/EYA-5F6D0lxvtg9 — 200 — 4.0 KiB — 26 ms — h3https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/pat/9f0736a71947698c/1776888014268/cc86febd8b14879747b81beb20cee8002883ef1ec9578f4daafa0c4a41bf976c/HA_k2ROfHR8hFouchallenges.cloudflare.com/cdn-cgi/c... https://challenges.cloudflare.com/cdn-cgi/challenge-platform/h/b/pat/9f0736a71947698c/1776888014268/cc86febd8b14879747b81beb20cee8002883ef1ec9578f4daafa0c4a41bf976c/HA_k2ROfHR8hFou — 401 — 1.7 KiB — 23 ms — h3blob:https://challenges.cloudflare.com/1a895b26-2428-4c9e-a3db-bdc583e335ccchallenges.cloudflare.com/1a895b26-... blob:https://challenges.cloudflare.com/1a895b26-2428-4c9e-a3db-bdc583e335cc — 200 — -1 B — 15 ms — blob
HTML JavaScript CSS Images Fonts XHR/Fetch Other
Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
12% of JavaScript execution is third-party
First-party Third-party 138ms · 0KB · $2/mo
Unattributable
Other
Optional
Execution 138ms
Transfer 0 KB
Monthly Cost $2/mo

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.

Send Feedback