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https://qld.gov.au

Performance

· 15 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
81
GRADE
B
FIX
3
REVIEW
5
PASS
5
INFO
2

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

Mobile Desktop
89
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
100
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
100
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.

1.30 s

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

1.77 s

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

36 ms

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

0.001

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

1.30 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.

1.98 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
5 PASS 5 REVIEW 3 FIX
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 (1.5 MiB of 1.5 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
D
Page Weight Inventory
Action
60 resources · 1.5 MB · 122 KB savings available
FIX
60 resources · 1.5 MB · 122 KB savings available
Warning::
Page weight 490 KB over 1MB target
Got: 1.5 MB Expected: ≤ 1 MB
Info::
~122 KB of savings available
Warning::
59 third-party resources (100% of weight)
60 resources · 1.5 MiB · 59 third-party 489.6 KiB over 1MB target
Image 51% · 767.9 KiB
JavaScript 29% · 443.8 KiB
CSS 15% · 221.5 KiB
Document 3% · 43.4 KiB
Font 2% · 35.0 KiB
Other 0% · 1.9 KiB

~121.8 KiB of savings available

Remove unused JavaScript: 121.8 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.

B
Page Weight Budget
1.5 MB transferred, 60 requests
REVIEW
1.5 MB transferred, 60 requests
Info::
Page weighs 3.6 MB (1.5 MB transferred)
Info::
CSS is 221 KB — consider purging unused styles
Remove unused CSS rules with tools like PurgeCSS to reduce stylesheet size.
Got: 221 KB
Info::
60 HTTP requests
Info::
Estimated 0.31 g CO2 per page load
1.5 MB / 2.4 MB budget
1.5 MB transferred
60 requests
0.31 g CO2 per page load
Images 763.1 KiB 50%
JavaScript 443.8 KiB 29%
CSS 221.5 KiB 15%
HTML 43.3 KiB 3%
Fonts 35.0 KiB 2%
Other 4.9 KiB 0%
Other 885 B 0%
Other 549 B 0%
Other 549 B 0%
0 2.4 MB 4.9 MB
Approaching limit

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

B
Image Optimization
12 images, 0 KB saveable
REVIEW
12 images, 0 KB saveable
Info::
All images are well-optimized
12 images 763 KB
0 oversized -0 KB
9 legacy format
0 missing dimensions CLS risk
B
JS Execution Cost
506ms total JS execution
REVIEW
506ms total JS execution
Info::
https://www.qld.gov.au/: 156ms CPU time
Info::
https://www.googletagmanager.com/gtm.js?id=GTM-PMD...: 120ms CPU time
Info::
https://www.googletagmanager.com/gtag/js?id=G-2BSW...: 116ms CPU time
Info::
Unattributable: 113ms CPU time
Warning::
Third-party scripts: 506ms (100% of total)

Main Thread Breakdown

Script Evaluation 43% Other 22% Style & Layout 20% Script Parsing & Compilation 7% Parse HTML & CSS 6%
ScriptTotalScriptingParse/CompileParty
https://www.qld.gov.au/156ms3ms1ms3rd
https://www.googletagmanager.com/gtm.js?id=GTM-PMDS7K120ms102ms15ms3rd
https://www.googletagmanager.com/gtag/js?id=G-2BSW42XWCV&cx=c&gtm=4e64h1116ms100ms15ms3rd
Unattributable113ms2ms0ms3rd
B
JS Bundles
15 scripts, 122 KB unused
REVIEW
15 scripts, 122 KB unused
Warning::
https://www.googletagmanager.com/gtag/js?id=G-2BSW...: 65 KB unused (37%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtm.js?id=GTM-PMD...: 57 KB unused (37%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 122 KB
122 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.googletagmanager.com/gtag/js?id=G-2BSW42XWCV&cx=c&gtm=4e64h1174 KB65 KB (37%)✓3rd
https://www.googletagmanager.com/gtm.js?id=GTM-PMDS7K155 KB57 KB (37%)✓3rd
https://www.qld.gov.au/__data/assets/js_file_folder/0035/499166/qgds-frontend-support.js?v=0.4.304 KB—✓3rd
https://www.qld.gov.au/__data/assets/js_file/0027/252693/formio-script.js?v=0.1.01 KB—✓3rd
https://www.qld.gov.au/__data/assets/git_bridge/0030/498603/assets/js/bootstrap.min.js?h=5f36cdb24 KB—✓3rd
https://www.qld.gov.au/__data/assets/git_bridge/0030/498603/assets/js/qld.bootstrap.min.js?h=5f36cdb6 KB—✓3rd
https://code.jquery.com/jquery-3.6.1.min.js31 KB—✓3rd
https://www.qld.gov.au/__data/assets/js_file_folder/0022/644503/swe-legacy-support.js?v=0.1.1416 KB—✓3rd
https://www.qld.gov.au/__data/assets/js_file/0011/113402/jpages.min.js4 KB—✓3rd
https://www.qld.gov.au/__data/assets/js_file/0009/113400/util.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

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
1 fonts (35 KB)
PASS
1 fonts (35 KB)
Info::
1 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

1

35 KB total

Render-blocking

0

of 1

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 1.3 s LCP 1.8 shttps://fonts.gstatic.com/s/notosans/v42/o-0bIpQlx3QUlC5A4PNB6Ryti20_6n1iPHjc5a7du3mhPy0.woff2o-0bIpQlx3QUlC5A4PNB6Ry... https://fonts.gstatic.com/s/notosans/v42/o-0bIpQlx3QUlC5A4PNB6Ryti20_6n1iPHjc5a7du3mhPy0.woff2 — 35.0 KiB — 8 ms — font-display: swap
o-0bIpQlx3QUlC5A4PNB6Ry... woff2 swap
Size 35 KB
Load time 8 ms
Start 789 ms
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
Network Waterfall
60 requests over 1334ms
INFO
0 ms 500 ms 1.0 s 1.5 s FCP 1.3 s LCP 1.8 shttps://qld.gov.au// https://qld.gov.au/ — 301 — 85 B — 205 ms — h2https://www.qld.gov.au/www.qld.gov.au/ https://www.qld.gov.au/ — 200 — 43.3 KiB — 114 ms — h2https://fonts.googleapis.com/css?family=Lato:100,300,400,700,900,100italic,300italic,400italic,700italic,900italicfonts.googleapis.com/css?family=Lat... https://fonts.googleapis.com/css?family=Lato:100,300,400,700,900,100italic,300italic,400italic,700italic,900italic — 200 — 1.1 KiB — 136 ms — h2https://www.qld.gov.au/__data/assets/css_file/0025/644281/fancybox.min.css?v=0.1.0www.qld.gov.au/__data/assets/css_fi... https://www.qld.gov.au/__data/assets/css_file/0025/644281/fancybox.min.css?v=0.1.0 — 200 — 4.0 KiB — 99 ms — h2https://www.qld.gov.au/_qgdesigns/css/qg-main.css?v=0.4.20www.qld.gov.au/_qgdesigns/css/qg-ma... https://www.qld.gov.au/_qgdesigns/css/qg-main.css?v=0.4.20 — 200 — 3.8 KiB — 332 ms — h2https://www.qld.gov.au/__data/assets/css_file_folder/0015/110823/qg-components.css?v=0.3.0www.qld.gov.au/__data/assets/css_fi... https://www.qld.gov.au/__data/assets/css_file_folder/0015/110823/qg-components.css?v=0.3.0 — 200 — 829 B — 72 ms — h2https://code.jquery.com/jquery-3.6.1.min.jscode.jquery.com/jquery-3.6.1.min.js https://code.jquery.com/jquery-3.6.1.min.js — 200 — 30.6 KiB — 35 ms — h2https://cdn.jsdelivr.net/npm/flatpickr/dist/flatpickr.min.csscdn.jsdelivr.net/npm/flatpickr/dist... https://cdn.jsdelivr.net/npm/flatpickr/dist/flatpickr.min.css — 200 — 3.8 KiB — 35 ms — h2https://www.qld.gov.au/__data/assets/css_file/0019/113509/custom.csswww.qld.gov.au/__data/assets/css_fi... https://www.qld.gov.au/__data/assets/css_file/0019/113509/custom.css — 200 — 4.4 KiB — 107 ms — h2https://www.qld.gov.au/__data/assets/css_file/0026/113399/royalslider.csswww.qld.gov.au/__data/assets/css_fi... https://www.qld.gov.au/__data/assets/css_file/0026/113399/royalslider.css — 200 — 1.7 KiB — 103 ms — h2https://www.qld.gov.au/__data/assets/css_file/0011/113510/rs-default.csswww.qld.gov.au/__data/assets/css_fi... https://www.qld.gov.au/__data/assets/css_file/0011/113510/rs-default.css — 200 — 2.2 KiB — 88 ms — h2https://www.qld.gov.au/__data/assets/css_file/0026/119177/squiz-119177_custom.csswww.qld.gov.au/__data/assets/css_fi... https://www.qld.gov.au/__data/assets/css_file/0026/119177/squiz-119177_custom.css — 200 — 1.9 KiB — 90 ms — h2https://www.qld.gov.au/__data/assets/git_bridge/0030/498603/assets/css/qld.bootstrap.css?h=5f36cdbwww.qld.gov.au/__data/assets/git_br... https://www.qld.gov.au/__data/assets/git_bridge/0030/498603/assets/css/qld.bootstrap.css?h=5f36cdb — 200 — 128.9 KiB — 110 ms — h2https://www.qld.gov.au/__data/assets/css_file_folder/0022/541309/QGDS-shim.css?v=0.5.103www.qld.gov.au/__data/assets/css_fi... https://www.qld.gov.au/__data/assets/css_file_folder/0022/541309/QGDS-shim.css?v=0.5.103 — 200 — 18.4 KiB — 95 ms — h2https://www.qld.gov.au/design-system/_design/css/webfonts/fontawesome.css?v=0.1.2www.qld.gov.au/design-system/_desig... https://www.qld.gov.au/design-system/_design/css/webfonts/fontawesome.css?v=0.1.2 — 200 — 24.1 KiB — 293 ms — h2https://www.qld.gov.au/__data/assets/css_file_folder/0027/644490/swe-legacy-support.min.css?v=0.1.45www.qld.gov.au/__data/assets/css_fi... https://www.qld.gov.au/__data/assets/css_file_folder/0027/644490/swe-legacy-support.min.css?v=0.1.45 — 200 — 6.5 KiB — 96 ms — h2https://www.qld.gov.au/__data/assets/css_file_folder/0024/637152/homepage-style.css?v=0.0.10www.qld.gov.au/__data/assets/css_fi... https://www.qld.gov.au/__data/assets/css_file_folder/0024/637152/homepage-style.css?v=0.0.10 — 200 — 1.3 KiB — 89 ms — h2https://www.qld.gov.au/_qgdesigns/templates/qgds/qgds-banner/banner.css?v=0.0.12www.qld.gov.au/_qgdesigns/templates... https://www.qld.gov.au/_qgdesigns/templates/qgds/qgds-banner/banner.css?v=0.0.12 — 200 — 5.4 KiB — 286 ms — h2https://www.qld.gov.au/__data/assets/image/0038/838568/qgov-mqs.jpgwww.qld.gov.au/__data/assets/image/... https://www.qld.gov.au/__data/assets/image/0038/838568/qgov-mqs.jpg — 200 — 71.4 KiB — 81 ms — h2https://www.qld.gov.au/_qgdesigns/templates/qgds/qgds-icon-list/iconlist.css?v=0.0.1www.qld.gov.au/_qgdesigns/templates... https://www.qld.gov.au/_qgdesigns/templates/qgds/qgds-icon-list/iconlist.css?v=0.0.1 — 200 — 7.6 KiB — 286 ms — h2https://www.qld.gov.au/__data/assets/css_file/0016/612151/news-listing.css?v=0.0.5www.qld.gov.au/__data/assets/css_fi... https://www.qld.gov.au/__data/assets/css_file/0016/612151/news-listing.css?v=0.0.5 — 200 — 778 B — 91 ms — h3https://www.qld.gov.au/__data/assets/image/0019/612244/have-your-say.jpgwww.qld.gov.au/__data/assets/image/... https://www.qld.gov.au/__data/assets/image/0019/612244/have-your-say.jpg — 200 — 195.1 KiB — 65 ms — h3https://www.qld.gov.au/_qgdesigns/templates/qgds/link-list-card/link-list-card.css?v=0.0.1www.qld.gov.au/_qgdesigns/templates... https://www.qld.gov.au/_qgdesigns/templates/qgds/link-list-card/link-list-card.css?v=0.0.1 — 200 — 1.1 KiB — 104 ms — h3https://www.qld.gov.au/design-system/_design/nested-partials/footer-feedback-form/footer-feedback-form-shim.css?v=0.1.3www.qld.gov.au/design-system/_desig... https://www.qld.gov.au/design-system/_design/nested-partials/footer-feedback-form/footer-feedback-form-shim.css?v=0.1.3 — 200 — 2.9 KiB — 97 ms — h3https://fonts.googleapis.com/css2?family=Noto+Sans:wght@400;600;700;900&display=swapfonts.googleapis.com/css2?family=No... https://fonts.googleapis.com/css2?family=Noto+Sans:wght@400;600;700;900&display=swap — 200 — 942 B — 57 ms — h2https://www.qld.gov.au/__data/assets/js_file/0028/147385/browser-support.js?v=0.2.0www.qld.gov.au/__data/assets/js_fil... https://www.qld.gov.au/__data/assets/js_file/0028/147385/browser-support.js?v=0.2.0 — 200 — 935 B — 87 ms — h3https://static.qgov.net.au/formio-qld/v2/v2.x.x-latest/formio-script.min.jsstatic.qgov.net.au/formio-qld/v2/v2... https://static.qgov.net.au/formio-qld/v2/v2.x.x-latest/formio-script.min.js — 200 — 1.4 KiB — 68 ms — h2https://www.qld.gov.au/__data/assets/js_file/0027/252693/formio-script.js?v=0.1.0www.qld.gov.au/__data/assets/js_fil... https://www.qld.gov.au/__data/assets/js_file/0027/252693/formio-script.js?v=0.1.0 — 200 — 1018 B — 76 ms — h3https://www.qld.gov.au/__data/assets/git_bridge/0030/498603/assets/js/bootstrap.min.js?h=5f36cdbwww.qld.gov.au/__data/assets/git_br... https://www.qld.gov.au/__data/assets/git_bridge/0030/498603/assets/js/bootstrap.min.js?h=5f36cdb — 200 — 24.2 KiB — 121 ms — h3https://www.qld.gov.au/__data/assets/git_bridge/0030/498603/assets/js/qld.bootstrap.min.js?h=5f36cdbwww.qld.gov.au/__data/assets/git_br... https://www.qld.gov.au/__data/assets/git_bridge/0030/498603/assets/js/qld.bootstrap.min.js?h=5f36cdb — 200 — 5.7 KiB — 75 ms — h3
0 ms 500 ms 1.0 s 1.5 s FCP 1.3 s LCP 1.8 shttps://qld.gov.au// https://qld.gov.au/ — 301 — 85 B — 205 ms — h2https://www.qld.gov.au/www.qld.gov.au/ https://www.qld.gov.au/ — 200 — 43.3 KiB — 114 ms — h2https://fonts.googleapis.com/css?family=Lato:100,300,400,700,900,100italic,300italic,400italic,700italic,900italicfonts.googleapis.com/css?family=Lat... https://fonts.googleapis.com/css?family=Lato:100,300,400,700,900,100italic,300italic,400italic,700italic,900italic — 200 — 1.1 KiB — 136 ms — h2https://www.qld.gov.au/__data/assets/css_file/0025/644281/fancybox.min.css?v=0.1.0www.qld.gov.au/__data/assets/css_fi... https://www.qld.gov.au/__data/assets/css_file/0025/644281/fancybox.min.css?v=0.1.0 — 200 — 4.0 KiB — 99 ms — h2https://www.qld.gov.au/_qgdesigns/css/qg-main.css?v=0.4.20www.qld.gov.au/_qgdesigns/css/qg-ma... https://www.qld.gov.au/_qgdesigns/css/qg-main.css?v=0.4.20 — 200 — 3.8 KiB — 332 ms — h2https://www.qld.gov.au/__data/assets/css_file_folder/0015/110823/qg-components.css?v=0.3.0www.qld.gov.au/__data/assets/css_fi... https://www.qld.gov.au/__data/assets/css_file_folder/0015/110823/qg-components.css?v=0.3.0 — 200 — 829 B — 72 ms — h2https://code.jquery.com/jquery-3.6.1.min.jscode.jquery.com/jquery-3.6.1.min.js https://code.jquery.com/jquery-3.6.1.min.js — 200 — 30.6 KiB — 35 ms — h2https://cdn.jsdelivr.net/npm/flatpickr/dist/flatpickr.min.csscdn.jsdelivr.net/npm/flatpickr/dist... https://cdn.jsdelivr.net/npm/flatpickr/dist/flatpickr.min.css — 200 — 3.8 KiB — 35 ms — h2https://www.qld.gov.au/__data/assets/css_file/0019/113509/custom.csswww.qld.gov.au/__data/assets/css_fi... https://www.qld.gov.au/__data/assets/css_file/0019/113509/custom.css — 200 — 4.4 KiB — 107 ms — h2https://www.qld.gov.au/__data/assets/css_file/0026/113399/royalslider.csswww.qld.gov.au/__data/assets/css_fi... https://www.qld.gov.au/__data/assets/css_file/0026/113399/royalslider.css — 200 — 1.7 KiB — 103 ms — h2https://www.qld.gov.au/__data/assets/css_file/0011/113510/rs-default.csswww.qld.gov.au/__data/assets/css_fi... https://www.qld.gov.au/__data/assets/css_file/0011/113510/rs-default.css — 200 — 2.2 KiB — 88 ms — h2https://www.qld.gov.au/__data/assets/css_file/0026/119177/squiz-119177_custom.csswww.qld.gov.au/__data/assets/css_fi... https://www.qld.gov.au/__data/assets/css_file/0026/119177/squiz-119177_custom.css — 200 — 1.9 KiB — 90 ms — h2https://www.qld.gov.au/__data/assets/git_bridge/0030/498603/assets/css/qld.bootstrap.css?h=5f36cdbwww.qld.gov.au/__data/assets/git_br... https://www.qld.gov.au/__data/assets/git_bridge/0030/498603/assets/css/qld.bootstrap.css?h=5f36cdb — 200 — 128.9 KiB — 110 ms — h2https://www.qld.gov.au/__data/assets/css_file_folder/0022/541309/QGDS-shim.css?v=0.5.103www.qld.gov.au/__data/assets/css_fi... https://www.qld.gov.au/__data/assets/css_file_folder/0022/541309/QGDS-shim.css?v=0.5.103 — 200 — 18.4 KiB — 95 ms — h2https://www.qld.gov.au/design-system/_design/css/webfonts/fontawesome.css?v=0.1.2www.qld.gov.au/design-system/_desig... https://www.qld.gov.au/design-system/_design/css/webfonts/fontawesome.css?v=0.1.2 — 200 — 24.1 KiB — 293 ms — h2https://www.qld.gov.au/__data/assets/css_file_folder/0027/644490/swe-legacy-support.min.css?v=0.1.45www.qld.gov.au/__data/assets/css_fi... https://www.qld.gov.au/__data/assets/css_file_folder/0027/644490/swe-legacy-support.min.css?v=0.1.45 — 200 — 6.5 KiB — 96 ms — h2https://www.qld.gov.au/__data/assets/css_file_folder/0024/637152/homepage-style.css?v=0.0.10www.qld.gov.au/__data/assets/css_fi... https://www.qld.gov.au/__data/assets/css_file_folder/0024/637152/homepage-style.css?v=0.0.10 — 200 — 1.3 KiB — 89 ms — h2https://www.qld.gov.au/_qgdesigns/templates/qgds/qgds-banner/banner.css?v=0.0.12www.qld.gov.au/_qgdesigns/templates... https://www.qld.gov.au/_qgdesigns/templates/qgds/qgds-banner/banner.css?v=0.0.12 — 200 — 5.4 KiB — 286 ms — h2https://www.qld.gov.au/__data/assets/image/0038/838568/qgov-mqs.jpgwww.qld.gov.au/__data/assets/image/... https://www.qld.gov.au/__data/assets/image/0038/838568/qgov-mqs.jpg — 200 — 71.4 KiB — 81 ms — h2https://www.qld.gov.au/_qgdesigns/templates/qgds/qgds-icon-list/iconlist.css?v=0.0.1www.qld.gov.au/_qgdesigns/templates... https://www.qld.gov.au/_qgdesigns/templates/qgds/qgds-icon-list/iconlist.css?v=0.0.1 — 200 — 7.6 KiB — 286 ms — h2https://www.qld.gov.au/__data/assets/css_file/0016/612151/news-listing.css?v=0.0.5www.qld.gov.au/__data/assets/css_fi... https://www.qld.gov.au/__data/assets/css_file/0016/612151/news-listing.css?v=0.0.5 — 200 — 778 B — 91 ms — h3https://www.qld.gov.au/__data/assets/image/0019/612244/have-your-say.jpgwww.qld.gov.au/__data/assets/image/... https://www.qld.gov.au/__data/assets/image/0019/612244/have-your-say.jpg — 200 — 195.1 KiB — 65 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
100% of JavaScript execution is third-party
First-party Third-party 506ms · 373KB · A$9/mo
www.qld.gov.au
Other
Optional
Execution 156ms
Transfer 43 KB
Monthly Cost A$3/mo
Google Tag Manager
Tag Manager
Optional
Execution 120ms
Transfer 155 KB
Unused 37%
Monthly Cost A$2/mo
Google Tag Manager
Tag Manager
Optional
Execution 116ms
Transfer 174 KB
Unused 37%
Monthly Cost A$2/mo
Unattributable
Other
Optional
Execution 113ms
Transfer 0 KB
Monthly Cost A$2/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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