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https://alaska.gov

Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
84
GRADE
B
FIX
1
REVIEW
7
PASS
7
INFO
2

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

Mobile Desktop
50
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
82
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
92
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.

3.89 s

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

9.61 s

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

56 ms

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

0.221

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

6.84 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.

10.88 s

Page Load Progression

548 ms
1.1 s
1.6 s
2.2 s
2.7 s
3.3 s
3.8 s
4.4 s
Checks
17
7 PASS 7 REVIEW 1 FIX
D
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.
Info::
ETag present — enables conditional (304) responses
Info::
Last-Modified header present

No Cache-Control header

Adding a Cache-Control header can significantly improve repeat-visit performance.

B
Page Weight Budget
1.3 MB transferred, 62 requests
REVIEW
1.3 MB transferred, 62 requests
Info::
Page weighs 2.1 MB (1.3 MB transferred)
Info::
62 HTTP requests
Info::
Estimated 0.28 g CO2 per page load
1.3 MB / 2.4 MB budget
1.3 MB transferred
62 requests
0.28 g CO2 per page load
Images 691.3 KiB 51%
JavaScript 365.8 KiB 27%
Other 84.9 KiB 6%
CSS 70.6 KiB 5%
Other 58.7 KiB 4%
Fonts 53.8 KiB 4%
HTML 30.7 KiB 2%
Other 1.6 KiB 0%
Other 545 B 0%
0 2.4 MB 4.9 MB
Under budget
B
Third-Party Impact
49% third-party, 0 ms blocking
REVIEW
49% third-party, 0 ms blocking
Info::
Third-party code accounts for 49% of page weight (663.6 KiB of 1.3 MiB)
Info::
Third-party blocking time is low (0 ms)
51%
49%
First-party Third-party
C
Image Optimization
Action
28 images, 0 KB saveable
REVIEW
28 images, 0 KB saveable
Warning::
https://alaska.gov/images/highlights/workplace-ala... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://alaska.gov/images/highlights/PFDBanner.png is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://alaska.gov/images/highlights/elections-ban... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://alaska.gov/images/logos/logos.jpg is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://alaska.gov/images/highlights/adfg_license_... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://alaska.gov/images/highlights/dmv-banner.pn... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://alaska.gov/images/highlights/511_SOA_hm_bt... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
28 images 691 KB
0 oversized -0 KB
28 legacy format
7 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

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
1556ms total JS execution
REVIEW
1556ms total JS execution
Warning::
https://alaska.gov/: 919ms CPU time
Warning::
Unattributable: 362ms CPU time
Info::
https://www.googletagmanager.com/gtag/js?id=G-D7B8...: 118ms CPU time
Info::
https://www.googletagmanager.com/gtag/js?id=UA-358...: 92ms CPU time
Info::
https://webcontent.alaska.gov/libs/jquery/2.2.4/jq...: 65ms CPU time
Info::
Third-party scripts: 637ms (41% of total)

Main Thread Breakdown

Style & Layout 36% Other 25% Script Evaluation 22% Rendering 10% Script Parsing & Compilation 5%
ScriptTotalScriptingParse/CompileParty
https://alaska.gov/919ms54ms1ms1st
Unattributable362ms60ms0ms3rd
https://www.googletagmanager.com/gtag/js?id=G-D7B87BS9XK&cx=c&gtm=4e64h1h1118ms88ms30ms3rd
https://www.googletagmanager.com/gtag/js?id=UA-3580820-192ms59ms28ms3rd
https://webcontent.alaska.gov/libs/jquery/2.2.4/jquery.min.js65ms50ms6ms3rd
B
JS Bundles
15 scripts, 149 KB unused
REVIEW
15 scripts, 149 KB unused
Warning::
https://www.googletagmanager.com/gtag/js?id=UA-358...: 63 KB unused (51%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtag/js?id=G-D7B8...: 63 KB unused (44%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://webcontent.alaska.gov/libs/jquery/2.2.4/jq...: 23 KB unused (56%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 149 KB
149 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.googletagmanager.com/gtag/js?id=UA-3580820-1125 KB63 KB (51%)✓3rd
https://www.googletagmanager.com/gtag/js?id=G-D7B87BS9XK&cx=c&gtm=4e64h1h1144 KB63 KB (44%)✓3rd
https://webcontent.alaska.gov/libs/jquery/2.2.4/jquery.min.js41 KB23 KB (56%)✓3rd
https://alaska.gov/app-js/utils/templates.js2 KB—✓1st
https://alaska.gov/scripts/jQuery.tmpl.min.js5 KB—✓1st
https://alaska.gov/app-js/app.js1 KB—✓1st
https://alaska.gov/scripts/soa.js4 KB—✓1st
https://alaska.gov/app-js/modules/office-closures.js3 KB—✓1st
https://alaska.gov/app-js/modules/test-to-delete.js1 KB—✓1st
https://webcontent.alaska.gov/style/soa/20190404/scripts/back-to-top.js1 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

C
Page Weight Inventory
Action
62 resources · 1.3 MB · 149 KB savings available
REVIEW
62 resources · 1.3 MB · 149 KB savings available
Warning::
Page weight 334 KB over 1MB target
Got: 1.3 MB Expected: ≤ 1 MB
Info::
~149 KB of savings available
Warning::
26 third-party resources (49% of weight)
Info::
1 resources over 200KB
62 resources · 1.3 MiB · 26 third-party 334.1 KiB over 1MB target
Image 51% · 692.9 KiB
JavaScript 27% · 365.8 KiB
Other 6% · 83.6 KiB
CSS 5% · 70.6 KiB
Media 4% · 58.7 KiB
Font 4% · 53.8 KiB
Document 2% · 32.6 KiB

~149.1 KiB of savings available

Remove unused JavaScript: 149.1 KiB
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
5 fonts (54 KB)
PASS
5 fonts (54 KB)
Info::
5 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

5

54 KB total

Render-blocking

0

of 5

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 3.9 s LCP 9.6 shttps://webcontent.alaska.gov/style/soa/20180912/opensans/Open-Sans-regular/Open-Sans-regular.woff2Open-Sans-regular.woff2 https://webcontent.alaska.gov/style/soa/20180912/opensans/Open-Sans-regular/Open-Sans-regular.woff2 — 10.6 KiB — 1.1 s — font-display: swaphttps://webcontent.alaska.gov/style/soa/20180912/opensans/Open-Sans-300/Open-Sans-300.woff2Open-Sans-300.woff2 https://webcontent.alaska.gov/style/soa/20180912/opensans/Open-Sans-300/Open-Sans-300.woff2 — 10.5 KiB — 1.0 s — font-display: swaphttps://webcontent.alaska.gov/style/soa/20180912/opensans/Open-Sans-600/Open-Sans-600.woff2Open-Sans-600.woff2 https://webcontent.alaska.gov/style/soa/20180912/opensans/Open-Sans-600/Open-Sans-600.woff2 — 10.6 KiB — 1.1 s — font-display: swaphttps://webcontent.alaska.gov/style/soa/20180912/opensans/Open-Sans-italic/Open-Sans-italic.woff2Open-Sans-italic.woff2 https://webcontent.alaska.gov/style/soa/20180912/opensans/Open-Sans-italic/Open-Sans-italic.woff2 — 11.2 KiB — 1.1 s — font-display: swaphttps://webcontent.alaska.gov/style/soa/20180912/opensans/Open-Sans-700italic/Open-Sans-700italic.woff2Open-Sans-700italic.woff2 https://webcontent.alaska.gov/style/soa/20180912/opensans/Open-Sans-700italic/Open-Sans-700italic.woff2 — 10.9 KiB — 1.1 s — font-display: swap
Open-Sans-regular.woff2 woff2 swap
Size 11 KB
Load time 1.1 s
Start 3.2 s
Risk FOUT — text flashes from fallback to web font
Open-Sans-300.woff2 woff2 swap
Size 10 KB
Load time 1.0 s
Start 3.2 s
Risk FOUT — text flashes from fallback to web font
Open-Sans-600.woff2 woff2 swap
Size 11 KB
Load time 1.1 s
Start 3.2 s
Risk FOUT — text flashes from fallback to web font
Open-Sans-italic.woff2 woff2 swap
Size 11 KB
Load time 1.1 s
Start 3.2 s
Risk FOUT — text flashes from fallback to web font
Open-Sans-700italic.woff2 woff2 swap
Size 11 KB
Load time 1.1 s
Start 3.2 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
62 requests over 5243ms
INFO
0 ms 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s FCP 3.9 s LCP 9.6 shttps://alaska.gov// https://alaska.gov/ — 200 — 30.7 KiB — 1.5 s — http/1.1https://webcontent.alaska.gov/style/soa/20190404/bootstrapAlaskaGovTemplateFullWidth.min.csswebcontent.alaska.gov/style/soa/201... https://webcontent.alaska.gov/style/soa/20190404/bootstrapAlaskaGovTemplateFullWidth.min.css — 200 — 42.6 KiB — 1.7 s — http/1.1https://webcontent.alaska.gov/libs/line-awesome/css/line-awesome-font-awesome.min.csswebcontent.alaska.gov/libs/line-awe... https://webcontent.alaska.gov/libs/line-awesome/css/line-awesome-font-awesome.min.css — 200 — 8.5 KiB — 1.2 s — http/1.1https://webcontent.alaska.gov/style/soa/20190404/adds.csswebcontent.alaska.gov/style/soa/201... https://webcontent.alaska.gov/style/soa/20190404/adds.css — 200 — 1.2 KiB — 1.0 s — http/1.1https://webcontent.alaska.gov/style/soa/20180919/legacyRequiredGreeting.csswebcontent.alaska.gov/style/soa/201... https://webcontent.alaska.gov/style/soa/20180919/legacyRequiredGreeting.css — 200 — 1.6 KiB — 1.0 s — http/1.1https://alaska.gov/scripts/Economy_css_mu.css/scripts/Economy_css_mu.css https://alaska.gov/scripts/Economy_css_mu.css — 200 — 2.0 KiB — 268 ms — http/1.1https://alaska.gov/scripts/home-webcontent-20141203.css/scripts/home-webcontent-20141203.c... https://alaska.gov/scripts/home-webcontent-20141203.css — 200 — 9.2 KiB — 527 ms — http/1.1https://alaska.gov/images/logos/logos.jpg/images/logos/logos.jpg https://alaska.gov/images/logos/logos.jpg — 200 — 73.3 KiB — 934 ms — http/1.1https://webcontent.alaska.gov/libs/jquery/2.2.4/jquery.min.jswebcontent.alaska.gov/libs/jquery/2... https://webcontent.alaska.gov/libs/jquery/2.2.4/jquery.min.js — 200 — 41.4 KiB — 1.7 s — http/1.1https://webcontent.alaska.gov/style/soa/20190404/scripts/responsive-search-icon.jswebcontent.alaska.gov/style/soa/201... https://webcontent.alaska.gov/style/soa/20190404/scripts/responsive-search-icon.js — 200 — 961 B — 1.0 s — http/1.1https://alaska.gov/scripts/soa.js/scripts/soa.js https://alaska.gov/scripts/soa.js — 200 — 3.6 KiB — 860 ms — http/1.1https://alaska.gov/css/site.css/css/site.css https://alaska.gov/css/site.css — 200 — 4.3 KiB — 860 ms — http/1.1https://alaska.gov/scripts/jQuery.tmpl.min.js/scripts/jQuery.tmpl.min.js https://alaska.gov/scripts/jQuery.tmpl.min.js — 200 — 4.7 KiB — 868 ms — http/1.1https://www.googletagmanager.com/gtag/js?id=UA-3580820-1www.googletagmanager.com/gtag/js?id... https://www.googletagmanager.com/gtag/js?id=UA-3580820-1 — 200 — 125.4 KiB — 149 ms — h2https://alaska.gov/app-js/app.js/app-js/app.js https://alaska.gov/app-js/app.js — 200 — 1.5 KiB — 546 ms — http/1.1https://alaska.gov/app-js/utils/templates.js/app-js/utils/templates.js https://alaska.gov/app-js/utils/templates.js — 200 — 1.9 KiB — 273 ms — http/1.1https://alaska.gov/app-js/modules/office-closures.js/app-js/modules/office-closures.js https://alaska.gov/app-js/modules/office-closures.js — 200 — 2.8 KiB — 273 ms — http/1.1https://alaska.gov/app-js/modules/test-to-delete.js/app-js/modules/test-to-delete.js https://alaska.gov/app-js/modules/test-to-delete.js — 404 — 1.3 KiB — 401 ms — http/1.1https://alaska.gov/images/logos/logo_deptofhealth.png/images/logos/logo_deptofhealth.png https://alaska.gov/images/logos/logo_deptofhealth.png — 200 — 50.6 KiB — 727 ms — http/1.1https://alaska.gov/images/logos/mark_dfcs_new.png/images/logos/mark_dfcs_new.png https://alaska.gov/images/logos/mark_dfcs_new.png — 200 — 18.7 KiB — 531 ms — http/1.1https://alaska.gov/images/highlights/511_SOA_hm_btn.jpg/images/highlights/511_SOA_hm_btn.j... https://alaska.gov/images/highlights/511_SOA_hm_btn.jpg — 200 — 7.4 KiB — 271 ms — http/1.1https://alaska.gov/images/highlights/adfg_license_icon_SOA.png/images/highlights/adfg_license_ico... https://alaska.gov/images/highlights/adfg_license_icon_SOA.png — 200 — 2.9 KiB — 267 ms — http/1.1https://webcontent.alaska.gov/style/soa/20190404/scripts/back-to-top.jswebcontent.alaska.gov/style/soa/201... https://webcontent.alaska.gov/style/soa/20190404/scripts/back-to-top.js — 200 — 1.2 KiB — 267 ms — http/1.1https://webcontent.alaska.gov/style/soa/20190404/scripts/responsive-menu.js?ver=1.0.0webcontent.alaska.gov/style/soa/201... https://webcontent.alaska.gov/style/soa/20190404/scripts/responsive-menu.js?ver=1.0.0 — 200 — 1.3 KiB — 268 ms — http/1.1https://webcontent.alaska.gov/libs/bootstrap/3.3.6/js/bootstrap.min.jswebcontent.alaska.gov/libs/bootstra... https://webcontent.alaska.gov/libs/bootstrap/3.3.6/js/bootstrap.min.js — 200 — 14.7 KiB — 667 ms — http/1.1https://alaska.gov/images/highlights/workplace-alaska.png/images/highlights/workplace-alaska... https://alaska.gov/images/highlights/workplace-alaska.png — 200 — 5.7 KiB — 272 ms — http/1.1https://alaska.gov/images/highlights/PFDBanner.png/images/highlights/PFDBanner.png https://alaska.gov/images/highlights/PFDBanner.png — 200 — 3.1 KiB — 270 ms — http/1.1https://webcontent.alaska.gov/style/soa/20190404/scripts/rotate.jswebcontent.alaska.gov/style/soa/201... https://webcontent.alaska.gov/style/soa/20190404/scripts/rotate.js — 200 — 634 B — 268 ms — http/1.1https://webcontent.alaska.gov/style/soa/20180919/images/soa-seal-colored.pngwebcontent.alaska.gov/style/soa/201... https://webcontent.alaska.gov/style/soa/20180919/images/soa-seal-colored.png — 200 — 26.3 KiB — 593 ms — http/1.1https://alaska.gov/images/highlights/dmv-banner.png/images/highlights/dmv-banner.png https://alaska.gov/images/highlights/dmv-banner.png — 200 — 10.9 KiB — 266 ms — http/1.1
0 ms 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s FCP 3.9 s LCP 9.6 shttps://alaska.gov// https://alaska.gov/ — 200 — 30.7 KiB — 1.5 s — http/1.1https://webcontent.alaska.gov/style/soa/20190404/bootstrapAlaskaGovTemplateFullWidth.min.csswebcontent.alaska.gov/style/soa/201... https://webcontent.alaska.gov/style/soa/20190404/bootstrapAlaskaGovTemplateFullWidth.min.css — 200 — 42.6 KiB — 1.7 s — http/1.1https://webcontent.alaska.gov/libs/line-awesome/css/line-awesome-font-awesome.min.csswebcontent.alaska.gov/libs/line-awe... https://webcontent.alaska.gov/libs/line-awesome/css/line-awesome-font-awesome.min.css — 200 — 8.5 KiB — 1.2 s — http/1.1https://webcontent.alaska.gov/style/soa/20190404/adds.csswebcontent.alaska.gov/style/soa/201... https://webcontent.alaska.gov/style/soa/20190404/adds.css — 200 — 1.2 KiB — 1.0 s — http/1.1https://webcontent.alaska.gov/style/soa/20180919/legacyRequiredGreeting.csswebcontent.alaska.gov/style/soa/201... https://webcontent.alaska.gov/style/soa/20180919/legacyRequiredGreeting.css — 200 — 1.6 KiB — 1.0 s — http/1.1https://alaska.gov/scripts/Economy_css_mu.css/scripts/Economy_css_mu.css https://alaska.gov/scripts/Economy_css_mu.css — 200 — 2.0 KiB — 268 ms — http/1.1https://alaska.gov/scripts/home-webcontent-20141203.css/scripts/home-webcontent-20141203.c... https://alaska.gov/scripts/home-webcontent-20141203.css — 200 — 9.2 KiB — 527 ms — http/1.1https://alaska.gov/images/logos/logos.jpg/images/logos/logos.jpg https://alaska.gov/images/logos/logos.jpg — 200 — 73.3 KiB — 934 ms — http/1.1https://webcontent.alaska.gov/libs/jquery/2.2.4/jquery.min.jswebcontent.alaska.gov/libs/jquery/2... https://webcontent.alaska.gov/libs/jquery/2.2.4/jquery.min.js — 200 — 41.4 KiB — 1.7 s — http/1.1https://webcontent.alaska.gov/style/soa/20190404/scripts/responsive-search-icon.jswebcontent.alaska.gov/style/soa/201... https://webcontent.alaska.gov/style/soa/20190404/scripts/responsive-search-icon.js — 200 — 961 B — 1.0 s — http/1.1https://alaska.gov/scripts/soa.js/scripts/soa.js https://alaska.gov/scripts/soa.js — 200 — 3.6 KiB — 860 ms — http/1.1https://alaska.gov/css/site.css/css/site.css https://alaska.gov/css/site.css — 200 — 4.3 KiB — 860 ms — http/1.1https://alaska.gov/scripts/jQuery.tmpl.min.js/scripts/jQuery.tmpl.min.js https://alaska.gov/scripts/jQuery.tmpl.min.js — 200 — 4.7 KiB — 868 ms — http/1.1https://www.googletagmanager.com/gtag/js?id=UA-3580820-1www.googletagmanager.com/gtag/js?id... https://www.googletagmanager.com/gtag/js?id=UA-3580820-1 — 200 — 125.4 KiB — 149 ms — h2https://alaska.gov/app-js/app.js/app-js/app.js https://alaska.gov/app-js/app.js — 200 — 1.5 KiB — 546 ms — http/1.1https://alaska.gov/app-js/utils/templates.js/app-js/utils/templates.js https://alaska.gov/app-js/utils/templates.js — 200 — 1.9 KiB — 273 ms — http/1.1https://alaska.gov/app-js/modules/office-closures.js/app-js/modules/office-closures.js https://alaska.gov/app-js/modules/office-closures.js — 200 — 2.8 KiB — 273 ms — http/1.1https://alaska.gov/app-js/modules/test-to-delete.js/app-js/modules/test-to-delete.js https://alaska.gov/app-js/modules/test-to-delete.js — 404 — 1.3 KiB — 401 ms — http/1.1https://alaska.gov/images/logos/logo_deptofhealth.png/images/logos/logo_deptofhealth.png https://alaska.gov/images/logos/logo_deptofhealth.png — 200 — 50.6 KiB — 727 ms — http/1.1https://alaska.gov/images/logos/mark_dfcs_new.png/images/logos/mark_dfcs_new.png https://alaska.gov/images/logos/mark_dfcs_new.png — 200 — 18.7 KiB — 531 ms — http/1.1https://alaska.gov/images/highlights/511_SOA_hm_btn.jpg/images/highlights/511_SOA_hm_btn.j... https://alaska.gov/images/highlights/511_SOA_hm_btn.jpg — 200 — 7.4 KiB — 271 ms — http/1.1https://alaska.gov/images/highlights/adfg_license_icon_SOA.png/images/highlights/adfg_license_ico... https://alaska.gov/images/highlights/adfg_license_icon_SOA.png — 200 — 2.9 KiB — 267 ms — 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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
41% of JavaScript execution is third-party
First-party Third-party 637ms · 310KB · $8/mo
Unattributable
Other
Costly
Execution 362ms
Transfer 0 KB
Monthly Cost $5/mo
Google Tag Manager
Tag Manager
Optional
Execution 118ms
Transfer 144 KB
Unused 44%
Monthly Cost $2/mo
Google Tag Manager
Tag Manager
Optional
Execution 92ms
Transfer 125 KB
Unused 51%
Monthly Cost $1/mo
webcontent.alaska.gov
Other
Optional
Execution 65ms
Transfer 41 KB
Unused 56%
Monthly Cost $1/mo

These scripts may cost more than they're worth

  • Unattributable adds 362ms and costs ~$5/month

41% 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 362ms 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

51% 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

56% of webcontent.alaska.gov'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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