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Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
78
GRADE
C
FIX
4
REVIEW
4
PASS
7
INFO
2

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

Mobile Desktop
46
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
87
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.
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.

5.82 s

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

10.94 s

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

587 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.

5.82 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.

10.95 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
7 PASS 4 REVIEW 4 FIX
D
JS Execution Cost
Action
2063ms total JS execution
FIX
2063ms total JS execution
Warning::
Unattributable: 648ms CPU time
Warning::
https://dataprivacyframework.gov/assets/index-CoKK...: 644ms CPU time
Warning::
https://dataprivacyframework.gov/: 336ms CPU time
Warning::
https://www.googletagmanager.com/gtag/js?id=G-CSLL...: 288ms CPU time
Info::
https://dap.digitalgov.gov/web-vitals/dist/web-vit...: 90ms CPU time
Info::
Third-party scripts: 1025ms (50% of total)

Main Thread Breakdown

Script Evaluation 45% Other 34% Style & Layout 12% Parse HTML & CSS 3% Script Parsing & Compilation 3%
ScriptTotalScriptingParse/CompileParty
Unattributable648ms13ms0ms3rd
https://dataprivacyframework.gov/assets/index-CoKK86uF.js644ms595ms14ms1st
https://dataprivacyframework.gov/336ms4ms1ms1st
https://www.googletagmanager.com/gtag/js?id=G-CSLL4ZEK4L288ms235ms51ms3rd
https://dap.digitalgov.gov/web-vitals/dist/web-vitals.attribution.iife.js90ms84ms2ms3rd
https://dataprivacyframework.gov/assets/index-CYgxv-86.css58ms0ms0ms1st
D
JS Bundles
Action
4 scripts, 468 KB unused
FIX
4 scripts, 468 KB unused
Warning::
https://dataprivacyframework.gov/assets/index-CoKK...: 408 KB unused (56%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtag/js?id=G-CSLL...: 60 KB unused (41%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 468 KB
468 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://dataprivacyframework.gov/assets/index-CoKK86uF.js733 KB408 KB (56%)✓1st
https://www.googletagmanager.com/gtag/js?id=G-CSLL4ZEK4L147 KB60 KB (41%)✓3rd
https://dap.digitalgov.gov/Universal-Federated-Analytics-Min.js?agency=DOC&subagency=ITA9 KB—✓3rd
https://dap.digitalgov.gov/web-vitals/dist/web-vitals.attribution.iife.js4 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

F
Page Weight Inventory
Action
34 resources · 1.6 MB · 468 KB savings available
FIX
34 resources · 1.6 MB · 468 KB savings available
Warning::
Page weight 576 KB over 1MB target
Got: 1.6 MB Expected: ≤ 1 MB
Info::
~468 KB of savings available
Warning::
23 third-party resources (47% of weight)
Info::
2 resources over 200KB
34 resources · 1.6 MiB · 23 third-party 575.8 KiB over 1MB target
JavaScript 56% · 893.7 KiB
Image 31% · 502.6 KiB
CSS 8% · 123.1 KiB
Font 4% · 63.8 KiB
Other 1% · 14.9 KiB
Document 0% · 1.7 KiB

~467.9 KiB of savings available

Remove unused JavaScript: 467.9 KiB
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-cache, no-store, must-revalidate
Info::
ETag present — enables conditional (304) responses
Info::
Last-Modified header present
Cache-Control

no-cache, no-store, must-revalidate

DirectiveValueMeaning
no-cache—Cache but always revalidate first
no-store—Never cache this response
must-revalidate—Must recheck with server after expiry
C
Page Weight Budget
Action
1.6 MB transferred, 34 requests
REVIEW
1.6 MB transferred, 34 requests
Info::
Page weighs 5.0 MB (1.6 MB transferred)
Warning::
JavaScript is 894 KB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 894 KB
Info::
34 HTTP requests
Info::
Estimated 0.33 g CO2 per page load
1.6 MB / 2.4 MB budget
1.6 MB transferred
34 requests
0.33 g CO2 per page load
JavaScript 893.7 KiB 56%
Images 496.5 KiB 31%
CSS 123.1 KiB 8%
Fonts 63.8 KiB 4%
Other 13.8 KiB 1%
Other 6.1 KiB 0%
HTML 1.7 KiB 0%
Other 1.1 KiB 0%
Other 0 B 0%
0 2.4 MB 4.9 MB
Approaching limit

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

B
Third-Party Impact
47% third-party, 0 ms blocking
REVIEW
47% third-party, 0 ms blocking
Info::
Third-party code accounts for 47% of page weight (751.1 KiB of 1.6 MiB)
Info::
Third-party blocking time is low (0 ms)
53%
47%
First-party Third-party
C
Image Optimization
Action
7 images, 0 KB saveable
REVIEW
7 images, 0 KB saveable
Warning::
https://privacyshieldprod.blob.core.windows.net/pu... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://privacyshieldprod.blob.core.windows.net/pu... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://privacyshieldprod.blob.core.windows.net/pu... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://privacyshieldprod.blob.core.windows.net/pu... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://privacyshieldprod.blob.core.windows.net/pu... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://privacyshieldprod.blob.core.windows.net/pu... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
7 images 496 KB
0 oversized -0 KB
7 legacy format
6 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

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
Green Hosting
Action
Whether the site is served from green-energy infrastructure
REVIEW

Green Hosting

No green hosting detected

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 (64 KB)
PASS
4 fonts (64 KB)
Info::
4 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

4

64 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 FCP 5.8 s LCP 10.9 shttps://res-1.cdn.office.net/files/fabric-cdn-prod_20230815.002/assets/fonts/segoeui-westeuropean/segoeui-regular.woff2segoeui-regular.woff2 https://res-1.cdn.office.net/files/fabric-cdn-prod_20230815.002/assets/fonts/segoeui-westeuropean/segoeui-regular.woff2 — 36.4 KiB — 32 ms — font-display: swaphttps://fonts.gstatic.com/s/lato/v25/S6uyw4BMUTPHjx4wXiWtFCc.woff2S6uyw4BMUTPHjx4wXiWtFCc... https://fonts.gstatic.com/s/lato/v25/S6uyw4BMUTPHjx4wXiWtFCc.woff2 — 13.7 KiB — 6 ms — font-display: swaphttps://fonts.gstatic.com/s/lato/v25/S6u9w4BMUTPHh7USSwiPGQ3q5d0.woff2S6u9w4BMUTPHh7USSwiPGQ3... https://fonts.gstatic.com/s/lato/v25/S6u9w4BMUTPHh7USSwiPGQ3q5d0.woff2 — 13.6 KiB — 9 ms — font-display: swaphttps://dataprivacyframework.gov/assets/e7bccfa631a0017f31da-BZtNapR-.woff2e7bccfa631a0017f31da-BZ... https://dataprivacyframework.gov/assets/e7bccfa631a0017f31da-BZtNapR-.woff2 — 212 B — 13 ms — font-display: swap
segoeui-regular.woff2 woff2 swap
Size 36 KB
Load time 32 ms
Start 580 ms
Risk FOUT — text flashes from fallback to web font
S6uyw4BMUTPHjx4wXiWtFCc... woff2 swap
Size 14 KB
Load time 6 ms
Start 1.0 s
Risk FOUT — text flashes from fallback to web font
S6u9w4BMUTPHh7USSwiPGQ3... woff2 swap
Size 14 KB
Load time 9 ms
Start 1.0 s
Risk FOUT — text flashes from fallback to web font
e7bccfa631a0017f31da-BZ... woff2 swap
Size 0 KB
Load time 13 ms
Start 1.0 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)
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
34 requests over 1376ms
INFO
0 ms 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s FCP 5.8 s LCP 10.9 shttps://dataprivacyframework.gov// https://dataprivacyframework.gov/ — 200 — 1.7 KiB — 51 ms — http/1.1https://fonts.googleapis.com/css?family=Lato:400,300fonts.googleapis.com/css?family=Lat... https://fonts.googleapis.com/css?family=Lato:400,300 — 200 — 883 B — 50 ms — h2https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.csscdnjs.cloudflare.com/ajax/libs/font... https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.css — 200 — 6.4 KiB — 30 ms — h3https://code.jquery.com/ui/1.11.4/themes/smoothness/jquery-ui.csscode.jquery.com/ui/1.11.4/themes/sm... https://code.jquery.com/ui/1.11.4/themes/smoothness/jquery-ui.css — 200 — 8.2 KiB — 26 ms — h2https://dataprivacyframework.gov/styles/ps.css/styles/ps.css https://dataprivacyframework.gov/styles/ps.css — 200 — 1.6 KiB — 12 ms — http/1.1https://dataprivacyframework.gov/styles/jquery.dropdown.min.css/styles/jquery.dropdown.min.css https://dataprivacyframework.gov/styles/jquery.dropdown.min.css — 200 — 1.0 KiB — 16 ms — http/1.1https://dataprivacyframework.gov/styles/bootstrap.css/styles/bootstrap.css https://dataprivacyframework.gov/styles/bootstrap.css — 200 — 20.5 KiB — 35 ms — http/1.1https://dataprivacyframework.gov/styles/global.css/styles/global.css https://dataprivacyframework.gov/styles/global.css — 200 — 16.1 KiB — 35 ms — http/1.1https://dataprivacyframework.gov/styles/site_template.css/styles/site_template.css https://dataprivacyframework.gov/styles/site_template.css — 200 — 1.5 KiB — 40 ms — http/1.1https://dataprivacyframework.gov/assets/index-CoKK86uF.js/assets/index-CoKK86uF.js https://dataprivacyframework.gov/assets/index-CoKK86uF.js — 200 — 732.5 KiB — 103 ms — http/1.1https://dataprivacyframework.gov/assets/index-CYgxv-86.css/assets/index-CYgxv-86.css https://dataprivacyframework.gov/assets/index-CYgxv-86.css — 200 — 67.0 KiB — 50 ms — http/1.1https://dap.digitalgov.gov/Universal-Federated-Analytics-Min.js?agency=DOC&subagency=ITAdap.digitalgov.gov/Universal-Federa... https://dap.digitalgov.gov/Universal-Federated-Analytics-Min.js?agency=DOC&subagency=ITA — 200 — 9.4 KiB — 137 ms — h3https://dap.digitalgov.gov/web-vitals/dist/web-vitals.attribution.iife.jsdap.digitalgov.gov/web-vitals/dist/... https://dap.digitalgov.gov/web-vitals/dist/web-vitals.attribution.iife.js — 200 — 4.5 KiB — 62 ms — h3https://www.googletagmanager.com/gtag/js?id=G-CSLL4ZEK4Lwww.googletagmanager.com/gtag/js?id... https://www.googletagmanager.com/gtag/js?id=G-CSLL4ZEK4L — 200 — 147.3 KiB — 69 ms — h2https://dataprivacyframework.gov/meta.json/meta.json https://dataprivacyframework.gov/meta.json — 200 — 534 B — 12 ms — http/1.1https://www.google-analytics.com/g/collect?v=2&tid=G-CSLL4ZEK4L&gtm=45je64k0h2v9131934939za200zd9131934939&_p=1776799856245&gcd=13l3l3l3l1l1&npa=0&dma=0&are=1&cid=1396474820.1776799857&frm=0&pscdl=noapi&rcb=4&sr=412x823&uaa=&uab=64&uafvl=Not-A.Brand%3B24.0.0.0%7CChromium%3B146.0.7680.164&uam=moto%20g%20power%20(2022)&uamb=1&uap=Android&uapv=11.0&uaw=0&ul=en-us&_s=1&tag_exp=0~115616986~115938465~115938468~117266401~118463262&dl=https%3A%2F%2Fdataprivacyframework.gov%2F&dt=Data%20Privacy%20Framework&dr=&sid=1776799856&sct=1&seg=0&_tu=wA&en=page_view&_fv=1&_nsi=1&_ss=1&_ee=1&ep.agency=DOC&ep.subagency=ITA&ep.site_topic=unspecified%3Adataprivacyframework.gov&ep.site_platform=unspecified%3Adataprivacyframework.gov&ep.script_source=https%3A%2F%2Fdap.digitalgov.gov%2Funiversal-federated-analytics-min.js&ep.version=20250702%20v8.7%20-%20ga4&ep.protocol=https%3A&ep.using_parallel_tracker=no&ep.hostname_dimension=dataprivacyframework.gov&tfd=532www.google-analytics.com/g/collect?... https://www.google-analytics.com/g/collect?v=2&tid=G-CSLL4ZEK4L&gtm=45je64k0h2v9131934939za200zd9131934939&_p=1776799856245&gcd=13l3l3l3l1l1&npa=0&dma=0&are=1&cid=1396474820.1776799857&frm=0&pscdl=noapi&rcb=4&sr=412x823&uaa=&uab=64&uafvl=Not-A.Brand%3B24.0.0.0%7CChromium%3B146.0.7680.164&uam=moto%20g%20power%20(2022)&uamb=1&uap=Android&uapv=11.0&uaw=0&ul=en-us&_s=1&tag_exp=0~115616986~115938465~115938468~117266401~118463262&dl=https%3A%2F%2Fdataprivacyframework.gov%2F&dt=Data%20Privacy%20Framework&dr=&sid=1776799856&sct=1&seg=0&_tu=wA&en=page_view&_fv=1&_nsi=1&_ss=1&_ee=1&ep.agency=DOC&ep.subagency=ITA&ep.site_topic=unspecified%3Adataprivacyframework.gov&ep.site_platform=unspecified%3Adataprivacyframework.gov&ep.script_source=https%3A%2F%2Fdap.digitalgov.gov%2Funiversal-federated-analytics-min.js&ep.version=20250702%20v8.7%20-%20ga4&ep.protocol=https%3A&ep.using_parallel_tracker=no&ep.hostname_dimension=dataprivacyframework.gov&tfd=532 — 204 — 556 B — 36 ms — h2https://dpfapi.azurewebsites.net/api/industry/alldpfapi.azurewebsites.net/api/indust... https://dpfapi.azurewebsites.net/api/industry/all — 204 — 0 B — 387 ms — http/1.1https://dpfapi.azurewebsites.net/api/thirdpartydpfapi.azurewebsites.net/api/thirdp... https://dpfapi.azurewebsites.net/api/thirdparty — 204 — 0 B — 387 ms — http/1.1https://dpfapi.azurewebsites.net/api/frameworkdpfapi.azurewebsites.net/api/framew... https://dpfapi.azurewebsites.net/api/framework — 204 — 0 B — 387 ms — http/1.1https://dataprivacyframework.gov/favicon.ico/favicon.ico https://dataprivacyframework.gov/favicon.ico — 200 — 6.1 KiB — 14 ms — http/1.1https://res-1.cdn.office.net/files/fabric-cdn-prod_20230815.002/assets/fonts/segoeui-westeuropean/segoeui-regular.woff2res-1.cdn.office.net/files/fabric-c... https://res-1.cdn.office.net/files/fabric-cdn-prod_20230815.002/assets/fonts/segoeui-westeuropean/segoeui-regular.woff2 — 200 — 36.4 KiB — 32 ms — h2https://dpfapi.azurewebsites.net/api/industry/alldpfapi.azurewebsites.net/api/indust... https://dpfapi.azurewebsites.net/api/industry/all — 200 — 10.9 KiB — 23 ms — http/1.1https://dpfapi.azurewebsites.net/api/thirdpartydpfapi.azurewebsites.net/api/thirdp... https://dpfapi.azurewebsites.net/api/thirdparty — 200 — 2.0 KiB — 17 ms — http/1.1https://dpfapi.azurewebsites.net/api/frameworkdpfapi.azurewebsites.net/api/framew... https://dpfapi.azurewebsites.net/api/framework — 200 — 925 B — 14 ms — http/1.1https://privacyshieldprod.blob.core.windows.net/publicsiteassets/DataPrivacyFrameworkLogo.pngprivacyshieldprod.blob.core.windows... https://privacyshieldprod.blob.core.windows.net/publicsiteassets/DataPrivacyFrameworkLogo.png — 200 — 15.0 KiB — 355 ms — http/1.1https://privacyshieldprod.blob.core.windows.net/publicsiteassets/ita-icon-general-03.pngprivacyshieldprod.blob.core.windows... https://privacyshieldprod.blob.core.windows.net/publicsiteassets/ita-icon-general-03.png — 200 — 4.3 KiB — 349 ms — http/1.1https://privacyshieldprod.blob.core.windows.net/publicsiteassets/ita-icon-general-02.pngprivacyshieldprod.blob.core.windows... https://privacyshieldprod.blob.core.windows.net/publicsiteassets/ita-icon-general-02.png — 200 — 2.7 KiB — 347 ms — http/1.1https://privacyshieldprod.blob.core.windows.net/publicsiteassets/ita-icon-general-01.pngprivacyshieldprod.blob.core.windows... https://privacyshieldprod.blob.core.windows.net/publicsiteassets/ita-icon-general-01.png — 200 — 3.1 KiB — 348 ms — http/1.1https://privacyshieldprod.blob.core.windows.net/publicsiteassets/ita-icon-countries.pngprivacyshieldprod.blob.core.windows... https://privacyshieldprod.blob.core.windows.net/publicsiteassets/ita-icon-countries.png — 200 — 3.0 KiB — 348 ms — http/1.1https://privacyshieldprod.blob.core.windows.net/publicsiteassets/ita_logo3.pngprivacyshieldprod.blob.core.windows... https://privacyshieldprod.blob.core.windows.net/publicsiteassets/ita_logo3.png — 200 — 80.9 KiB — 376 ms — http/1.1
0 ms 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s FCP 5.8 s LCP 10.9 shttps://dataprivacyframework.gov// https://dataprivacyframework.gov/ — 200 — 1.7 KiB — 51 ms — http/1.1https://fonts.googleapis.com/css?family=Lato:400,300fonts.googleapis.com/css?family=Lat... https://fonts.googleapis.com/css?family=Lato:400,300 — 200 — 883 B — 50 ms — h2https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.csscdnjs.cloudflare.com/ajax/libs/font... https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.css — 200 — 6.4 KiB — 30 ms — h3https://code.jquery.com/ui/1.11.4/themes/smoothness/jquery-ui.csscode.jquery.com/ui/1.11.4/themes/sm... https://code.jquery.com/ui/1.11.4/themes/smoothness/jquery-ui.css — 200 — 8.2 KiB — 26 ms — h2https://dataprivacyframework.gov/styles/ps.css/styles/ps.css https://dataprivacyframework.gov/styles/ps.css — 200 — 1.6 KiB — 12 ms — http/1.1https://dataprivacyframework.gov/styles/jquery.dropdown.min.css/styles/jquery.dropdown.min.css 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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
50% of JavaScript execution is third-party
First-party Third-party 1025ms · 152KB · $14/mo
Unattributable
Other
Costly
Execution 648ms
Transfer 0 KB
Monthly Cost $9/mo
Google Tag Manager
Tag Manager
Costly
Execution 288ms
Transfer 147 KB
Unused 41%
Monthly Cost $4/mo
dap.digitalgov.gov
Other
Optional
Execution 90ms
Transfer 4 KB
Monthly Cost $1/mo

These scripts may cost more than they're worth

  • Unattributable adds 648ms and costs ~$9/month
  • Google Tag Manager adds 288ms and costs ~$4/month

50% of JavaScript execution time comes from third-party scripts.

Why this matters

Third-party scripts (analytics, ads, social, A/B testing) often dominate execution time — every one is a perf-and-privacy tax.

Learn more ▾

Each third-party script is a black box: you don't control when it loads, what it executes, or how much it grows. They often account for a major share of total blocking time on average sites (HTTP Archive's Web Almanac documents the trend). Audit which ones you actually need, defer the rest, and use facade patterns (lite-youtube, lite-vimeo) for embedded media.

Source: web.dev / HTTP Archive Web Almanac

Unattributable takes 648ms 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 288ms 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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