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Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
75
GRADE
C
FIX
5
REVIEW
2
PASS
8
INFO
2

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

Mobile Desktop
34
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
97
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
69
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
92
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.

3.18 s

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

13.25 s

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

718 ms

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

0.256

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

5.58 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.

16.09 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
8 PASS 2 REVIEW 5 FIX
F
Page Weight Budget
Action
2.8 MB transferred, 115 requests
FIX
2.8 MB transferred, 115 requests
Warning::
Page weighs 5.2 MB (2.8 MB transferred)
Warning::
Images are 1.6 MB — compress or use modern formats
Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
Got: 1.6 MB
Warning::
JavaScript is 887 KB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 887 KB
Warning::
115 HTTP requests — consider bundling or reducing
Each request adds latency. Bundle small files, use sprites, or eliminate unnecessary requests.
Info::
Estimated 0.58 g CO2 per page load
2.8 MB / 2.4 MB budget
2.8 MB transferred
115 requests
0.58 g CO2 per page load
Images 1.6 MiB 59%
JavaScript 887.4 KiB 31%
Fonts 181.9 KiB 6%
CSS 77.3 KiB 3%
HTML 23.2 KiB 1%
Other 5.5 KiB 0%
Other 1.1 KiB 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

Each request adds latency. Bundle small files, use sprites, or eliminate unnecessary requests.

Why this matters

High HTTP request count — bundling, sprite-ing, and HTTP/2 server push can reduce per-request overhead.

Source: web.dev

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 (2.8 MiB of 2.8 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
D
JS Execution Cost
Action
3090ms total JS execution
FIX
3090ms total JS execution
Warning::
https://www.blm.gov/: 812ms CPU time
Warning::
Unattributable: 453ms CPU time
Warning::
https://www.googletagmanager.com/gtag/js?id=G-CSLL...: 403ms CPU time
Warning::
https://www.googletagmanager.com/gtag/js?id=G-GQKK...: 266ms CPU time
Warning::
https://www.blm.gov/core/misc/drupal.init.js?v=11....: 253ms CPU time
Warning::
Third-party scripts: 3090ms (100% of total)

Main Thread Breakdown

Script Evaluation 47% Other 18% Style & Layout 18% Script Parsing & Compilation 8% Rendering 4% Parse HTML & CSS 4%
ScriptTotalScriptingParse/CompileParty
https://www.blm.gov/812ms49ms5ms3rd
Unattributable453ms9ms0ms3rd
https://www.googletagmanager.com/gtag/js?id=G-CSLL4ZEK4L403ms320ms38ms3rd
https://www.googletagmanager.com/gtag/js?id=G-GQKKTMMT8V&cx=c&gtm=4e64k1h2266ms189ms42ms3rd
https://www.blm.gov/core/misc/drupal.init.js?v=11.3.8253ms166ms0ms3rd
https://www.blm.gov/cdn-cgi/challenge-platform/scripts/jsd/main.js227ms214ms2ms3rd
https://www.googletagmanager.com/gtag/js?id=UA-23560114-3223ms174ms48ms3rd
https://www.blm.gov/core/assets/vendor/jquery/jquery.min.js?v=4.0.0175ms123ms7ms3rd
https://touchpoints.app.cloud.gov/touchpoints/b163de7b.js121ms55ms37ms3rd
https://dap.digitalgov.gov/web-vitals/dist/web-vitals.attribution.iife.js105ms101ms2ms3rd

Showing top 10 of 11 scripts

D
Page Weight Inventory
Action
115 resources · 2.8 MB · 278 KB savings available
FIX
115 resources · 2.8 MB · 278 KB savings available
Warning::
Page weight 1.8 MB over 1MB target
Got: 2.8 MB Expected: ≤ 1 MB
Info::
~278 KB of savings available
Warning::
114 third-party resources (100% of weight)
Info::
1 resources over 200KB
115 resources · 2.8 MiB · 114 third-party 1.8 MiB over 1MB target
Image 59% · 1.6 MiB
JavaScript 31% · 887.4 KiB
Font 6% · 181.9 KiB
CSS 3% · 77.3 KiB
Document 1% · 27.0 KiB
Other 0% · 1.6 KiB

~278.1 KiB of savings available

Remove unused JavaScript: 278.1 KiB
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
Image Optimization
Action
37 images, 0 KB saveable
REVIEW
37 images, 0 KB saveable
Warning::
https://touchpoints.app.cloud.gov/img/us_flag_smal... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.blm.gov/themes/custom/blm_d9_22/images... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.blm.gov/themes/custom/blm_d9_22/logo.s... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
37 images 1.6 MB
0 oversized -0 KB
35 legacy format
3 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

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 Bundles
Action
62 scripts, 278 KB unused
REVIEW
62 scripts, 278 KB unused
Warning::
https://www.googletagmanager.com/gtag/js?id=UA-235...: 91 KB unused (74%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtag/js?id=G-GQKK...: 66 KB unused (42%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtag/js?id=UA-235...: 62 KB unused (50%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtag/js?id=G-CSLL...: 59 KB unused (40%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 278 KB
278 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.googletagmanager.com/gtag/js?id=UA-23560114-3&cx=c&gtm=4e64k0124 KB91 KB (74%)✓3rd
https://www.googletagmanager.com/gtag/js?id=G-GQKKTMMT8V&cx=c&gtm=4e64k1h2158 KB66 KB (42%)✓3rd
https://www.googletagmanager.com/gtag/js?id=UA-23560114-3125 KB62 KB (50%)✓3rd
https://www.googletagmanager.com/gtag/js?id=G-CSLL4ZEK4L147 KB59 KB (40%)✓3rd
https://dap.digitalgov.gov/Universal-Federated-Analytics-Min.js?agency=DOI&subagency=BLM9 KB—✓3rd
https://siteimproveanalytics.com/js/siteanalyze_88289.js13 KB—✓3rd
https://www.blm.gov/modules/contrib/blazy/js/polyfill/blazy.polyfill.min.js?tdvvg21 KB—✓3rd
https://www.blm.gov/core/assets/vendor/jquery/jquery.min.js?v=4.0.027 KB—✓3rd
https://www.blm.gov/modules/contrib/blazy/js/polyfill/blazy.classlist.min.js?tdvvg21 KB—✓3rd
https://www.blm.gov/modules/contrib/blazy/js/polyfill/blazy.promise.min.js?tdvvg22 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

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
4 fonts (182 KB)
PASS
4 fonts (182 KB)
Info::
4 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

4

182 KB total

Render-blocking

0

of 4

Dominant font-display

swap

Most common across fonts

Font loading timeline
Transfer FOIT (block) FOUT (swap)
0 ms 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s 12.0 s FCP 3.2 s LCP 13.2 shttps://fonts.gstatic.com/s/roboto/v51/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2KFO7CnqEu92Fr1ME7kSn66a... https://fonts.gstatic.com/s/roboto/v51/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2 — 36.7 KiB — 58 ms — font-display: swaphttps://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.2/font/fonts/bootstrap-icons.woff2?7141511ac37f13e1a387fb9fc6646256bootstrap-icons.woff2 https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.2/font/fonts/bootstrap-icons.woff2?7141511ac37f13e1a387fb9fc6646256 — 128.0 KiB — 18 ms — font-display: swaphttps://www.blm.gov/libraries/slick/slick/fonts/slick.woff2slick.woff2 https://www.blm.gov/libraries/slick/slick/fonts/slick.woff2 — 928 B — 287 ms — font-display: swaphttps://fonts.gstatic.com/s/roboto/v51/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMaxKUBHMdazTgWw.woff2KFO7CnqEu92Fr1ME7kSn66a... https://fonts.gstatic.com/s/roboto/v51/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMaxKUBHMdazTgWw.woff2 — 16.3 KiB — 25 ms — font-display: swap
KFO7CnqEu92Fr1ME7kSn66a... woff2 swap
Size 37 KB
Load time 58 ms
Start 1.5 s
Risk FOUT — text flashes from fallback to web font
bootstrap-icons.woff2 woff2 swap
Size 128 KB
Load time 18 ms
Start 1.7 s
Risk FOUT — text flashes from fallback to web font
  • Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
slick.woff2 woff2 swap
Size 1 KB
Load time 287 ms
Start 1.7 s
Risk FOUT — text flashes from fallback to web font
KFO7CnqEu92Fr1ME7kSn66a... woff2 swap
Size 16 KB
Load time 25 ms
Start 1.7 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)

Fixing the unchecked items could save ~64 KB and ~128 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+
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
115 requests over 3934ms
INFO
0 ms 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s 12.0 s FCP 3.2 s LCP 13.2 shttps://blm.gov// https://blm.gov/ — 301 — 151 B — 337 ms — h2https://www.blm.gov/www.blm.gov/ https://www.blm.gov/ — 200 — 23.2 KiB — 824 ms — h2https://www.googletagmanager.com/gtag/js?id=UA-23560114-3www.googletagmanager.com/gtag/js?id... https://www.googletagmanager.com/gtag/js?id=UA-23560114-3 — 200 — 125.0 KiB — 179 ms — h2https://www.blm.gov/sites/default/files/css/css_O04l8cvgOYRIFkSu81UUORESYlvdLMTdMAJVdQwkl6U.css?delta=0&language=en&theme=blm_d9_22&include=eJxljFFuAyEMRC-EQMlfT4MMOLvuGrzCJgk9faNVt1XUn9HMe9Ikhq8ZWKBQW1ziGuFymSEPNalRc6fdDlw-4vUaFpYE7PKGhUx6hJylF5IWfpu_dWmGrbgXwFD62IE9fMLT4dOY2nayn-kYpgyLaRAX7MEekoWjYrbX3WkLaZY79hmk4cu7HTosHfZVz78_4kfbR2LSFYtTpryFI31WfdsVqPmCNxhsb8JWrOh0qmENCRSdpVhxgYpt_Adqk1HdnfCh4UhfpQzGb8YciGkwww.blm.gov/sites/default/files/css... https://www.blm.gov/sites/default/files/css/css_O04l8cvgOYRIFkSu81UUORESYlvdLMTdMAJVdQwkl6U.css?delta=0&language=en&theme=blm_d9_22&include=eJxljFFuAyEMRC-EQMlfT4MMOLvuGrzCJgk9faNVt1XUn9HMe9Ikhq8ZWKBQW1ziGuFymSEPNalRc6fdDlw-4vUaFpYE7PKGhUx6hJylF5IWfpu_dWmGrbgXwFD62IE9fMLT4dOY2nayn-kYpgyLaRAX7MEekoWjYrbX3WkLaZY79hmk4cu7HTosHfZVz78_4kfbR2LSFYtTpryFI31WfdsVqPmCNxhsb8JWrOh0qmENCRSdpVhxgYpt_Adqk1HdnfCh4UhfpQzGb8YciGk — 200 — 6.8 KiB — 230 ms — h2https://www.blm.gov/sites/default/files/css/css_lGePXMw1RujDWtiVy7fyw8QScSXoI5-LqPWtsMRYepE.css?delta=1&language=en&theme=blm_d9_22&include=eJxljFFuAyEMRC-EQMlfT4MMOLvuGrzCJgk9faNVt1XUn9HMe9Ikhq8ZWKBQW1ziGuFymSEPNalRc6fdDlw-4vUaFpYE7PKGhUx6hJylF5IWfpu_dWmGrbgXwFD62IE9fMLT4dOY2nayn-kYpgyLaRAX7MEekoWjYrbX3WkLaZY79hmk4cu7HTosHfZVz78_4kfbR2LSFYtTpryFI31WfdsVqPmCNxhsb8JWrOh0qmENCRSdpVhxgYpt_Adqk1HdnfCh4UhfpQzGb8YciGkwww.blm.gov/sites/default/files/css... https://www.blm.gov/sites/default/files/css/css_lGePXMw1RujDWtiVy7fyw8QScSXoI5-LqPWtsMRYepE.css?delta=1&language=en&theme=blm_d9_22&include=eJxljFFuAyEMRC-EQMlfT4MMOLvuGrzCJgk9faNVt1XUn9HMe9Ikhq8ZWKBQW1ziGuFymSEPNalRc6fdDlw-4vUaFpYE7PKGhUx6hJylF5IWfpu_dWmGrbgXwFD62IE9fMLT4dOY2nayn-kYpgyLaRAX7MEekoWjYrbX3WkLaZY79hmk4cu7HTosHfZVz78_4kfbR2LSFYtTpryFI31WfdsVqPmCNxhsb8JWrOh0qmENCRSdpVhxgYpt_Adqk1HdnfCh4UhfpQzGb8YciGk — 200 — 54.9 KiB — 174 ms — h2https://www.blm.gov/themes/custom/blm_d9_22/images/uswds/us_flag_small.pngwww.blm.gov/themes/custom/blm_d9_22... https://www.blm.gov/themes/custom/blm_d9_22/images/uswds/us_flag_small.png — 200 — 260 B — 233 ms — h2https://www.blm.gov/themes/custom/blm_d9_22/images/uswds/icon-dot-gov.svgwww.blm.gov/themes/custom/blm_d9_22... https://www.blm.gov/themes/custom/blm_d9_22/images/uswds/icon-dot-gov.svg — 200 — 540 B — 215 ms — h2https://www.blm.gov/themes/custom/blm_d9_22/images/uswds/icon-https.svgwww.blm.gov/themes/custom/blm_d9_22... https://www.blm.gov/themes/custom/blm_d9_22/images/uswds/icon-https.svg — 200 — 469 B — 229 ms — h2https://www.blm.gov/themes/custom/blm_d9_22/logo.svgwww.blm.gov/themes/custom/blm_d9_22... https://www.blm.gov/themes/custom/blm_d9_22/logo.svg — 200 — 7.4 KiB — 238 ms — h2https://dap.digitalgov.gov/Universal-Federated-Analytics-Min.js?agency=DOI&subagency=BLMdap.digitalgov.gov/Universal-Federa... https://dap.digitalgov.gov/Universal-Federated-Analytics-Min.js?agency=DOI&subagency=BLM — 200 — 9.4 KiB — 45 ms — h3https://siteimproveanalytics.com/js/siteanalyze_88289.jssiteimproveanalytics.com/js/siteana... https://siteimproveanalytics.com/js/siteanalyze_88289.js — 200 — 12.6 KiB — 75 ms — h3https://www.blm.gov/modules/contrib/blazy/js/polyfill/blazy.polyfill.min.js?tdvvg2www.blm.gov/modules/contrib/blazy/j... https://www.blm.gov/modules/contrib/blazy/js/polyfill/blazy.polyfill.min.js?tdvvg2 — 200 — 752 B — 250 ms — h2https://www.blm.gov/core/assets/vendor/jquery/jquery.min.js?v=4.0.0www.blm.gov/core/assets/vendor/jque... https://www.blm.gov/core/assets/vendor/jquery/jquery.min.js?v=4.0.0 — 200 — 27.0 KiB — 327 ms — h2https://www.blm.gov/modules/contrib/blazy/js/polyfill/blazy.classlist.min.js?tdvvg2www.blm.gov/modules/contrib/blazy/j... https://www.blm.gov/modules/contrib/blazy/js/polyfill/blazy.classlist.min.js?tdvvg2 — 200 — 1.2 KiB — 241 ms — h2https://www.blm.gov/modules/contrib/blazy/js/polyfill/blazy.promise.min.js?tdvvg2www.blm.gov/modules/contrib/blazy/j... https://www.blm.gov/modules/contrib/blazy/js/polyfill/blazy.promise.min.js?tdvvg2 — 200 — 1.5 KiB — 254 ms — h2https://www.blm.gov/modules/contrib/blazy/js/polyfill/blazy.raf.min.js?tdvvg2www.blm.gov/modules/contrib/blazy/j... https://www.blm.gov/modules/contrib/blazy/js/polyfill/blazy.raf.min.js?tdvvg2 — 200 — 497 B — 237 ms — h2https://www.blm.gov/core/assets/vendor/once/once.min.js?v=1.0.1www.blm.gov/core/assets/vendor/once... https://www.blm.gov/core/assets/vendor/once/once.min.js?v=1.0.1 — 200 — 805 B — 250 ms — h2https://www.blm.gov/modules/contrib/slick/js/jquery-type-polyfill.min.js?tdvvg2www.blm.gov/modules/contrib/slick/j... https://www.blm.gov/modules/contrib/slick/js/jquery-type-polyfill.min.js?tdvvg2 — 200 — 244 B — 227 ms — h2https://www.blm.gov/core/misc/drupalSettingsLoader.js?v=11.3.8www.blm.gov/core/misc/drupalSetting... https://www.blm.gov/core/misc/drupalSettingsLoader.js?v=11.3.8 — 200 — 495 B — 255 ms — h2https://www.blm.gov/core/misc/drupal.js?v=11.3.8www.blm.gov/core/misc/drupal.js?v=1... https://www.blm.gov/core/misc/drupal.js?v=11.3.8 — 200 — 6.1 KiB — 262 ms — h2https://www.blm.gov/core/misc/drupal.init.js?v=11.3.8www.blm.gov/core/misc/drupal.init.j... https://www.blm.gov/core/misc/drupal.init.js?v=11.3.8 — 200 — 599 B — 249 ms — h2https://www.blm.gov/core/misc/debounce.js?v=11.3.8www.blm.gov/core/misc/debounce.js?v... https://www.blm.gov/core/misc/debounce.js?v=11.3.8 — 200 — 780 B — 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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 3090ms · 687KB · €34/mo
www.blm.gov
Other
Costly
Execution 812ms
Transfer 23 KB
Monthly Cost €9/mo
Unattributable
Other
Costly
Execution 453ms
Transfer 0 KB
Monthly Cost €5/mo
Google Tag Manager
Tag Manager
Costly
Execution 403ms
Transfer 147 KB
Unused 40%
Monthly Cost €4/mo
Google Tag Manager
Tag Manager
Costly
Execution 266ms
Transfer 158 KB
Unused 42%
Monthly Cost €3/mo
www.blm.gov
Other
Costly
Execution 253ms
Transfer 1 KB
Monthly Cost €3/mo
www.blm.gov
Other
Costly
Execution 227ms
Transfer 0 KB
Monthly Cost €2/mo
Google Tag Manager
Tag Manager
Costly
Execution 223ms
Transfer 125 KB
Unused 50%
Monthly Cost €2/mo
www.blm.gov
Other
Optional
Execution 175ms
Transfer 27 KB
Monthly Cost €2/mo
touchpoints.app.cloud.gov
Other
Optional
Execution 121ms
Transfer 78 KB
Monthly Cost €1/mo
dap.digitalgov.gov
Other
Optional
Execution 105ms
Transfer 4 KB
Monthly Cost €1/mo
Google Tag Manager
Tag Manager
Optional
Execution 52ms
Transfer 124 KB
Unused 74%
Monthly Cost €1/mo

These scripts may cost more than they're worth

  • www.blm.gov adds 812ms and costs ~€9/month
  • Unattributable adds 453ms and costs ~€5/month
  • Google Tag Manager adds 403ms and costs ~€4/month
  • Google Tag Manager adds 266ms and costs ~€3/month
  • www.blm.gov adds 253ms and costs ~€3/month
  • www.blm.gov adds 227ms and costs ~€2/month
  • Google Tag Manager adds 223ms and costs ~€2/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

www.blm.gov takes 812ms 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 453ms 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 403ms 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 266ms 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

www.blm.gov takes 253ms 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

www.blm.gov takes 227ms 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 223ms 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

74% of Google Tag Manager'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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