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https://sa.gov.au

Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
83
GRADE
B
FIX
2
REVIEW
5
PASS
8
INFO
2

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

Mobile Desktop
54
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
94
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.

3.53 s

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

9.45 s

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

474 ms

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

0.010

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

4.02 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.

9.47 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 5 REVIEW 2 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 (1.2 MiB of 1.2 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
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.

B
Page Weight Budget
1.2 MB transferred, 39 requests
REVIEW
1.2 MB transferred, 39 requests
Info::
Page weighs 2.1 MB (1.2 MB transferred)
Info::
39 HTTP requests
Info::
Estimated 0.25 g CO2 per page load
1.2 MB / 2.4 MB budget
1.2 MB transferred
39 requests
0.25 g CO2 per page load
Images 727.5 KiB 61%
JavaScript 380.4 KiB 32%
Fonts 41.0 KiB 3%
CSS 30.4 KiB 3%
HTML 18.0 KiB 1%
Other 1.8 KiB 0%
Other 548 B 0%
0 2.4 MB 4.9 MB
Under budget
C
Image Optimization
Action
18 images, 0 KB saveable
REVIEW
18 images, 0 KB saveable
Warning::
https://www.sa.gov.au/__data/assets/image/0010/251... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.sa.gov.au/__data/assets/image/0012/251... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
18 images 728 KB
0 oversized -0 KB
18 legacy format
2 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

C
JS Execution Cost
Action
1500ms total JS execution
REVIEW
1500ms total JS execution
Warning::
https://www.sa.gov.au/: 384ms CPU time
Warning::
https://www.googletagmanager.com/gtag/js?id=G-59HM...: 357ms CPU time
Warning::
Unattributable: 290ms CPU time
Warning::
https://www.googletagmanager.com/gtm.js?id=GTM-PLT...: 270ms CPU time
Info::
https://www.sa.gov.au/__data/assets/js_file/0019/8...: 107ms CPU time
Warning::
Third-party scripts: 1500ms (100% of total)

Main Thread Breakdown

Script Evaluation 45% Other 23% Style & Layout 13% Script Parsing & Compilation 11% Rendering 4% Parse HTML & CSS 3%
ScriptTotalScriptingParse/CompileParty
https://www.sa.gov.au/384ms70ms3ms3rd
https://www.googletagmanager.com/gtag/js?id=G-59HM8GEHG8&cx=c&gtm=4e64h1357ms286ms69ms3rd
Unattributable290ms9ms0ms3rd
https://www.googletagmanager.com/gtm.js?id=GTM-PLTDM77270ms203ms59ms3rd
https://www.sa.gov.au/__data/assets/js_file/0019/845011/vendors2.js?v=0.1.0107ms71ms22ms3rd
https://www.sa.gov.au/__data/assets/js_file/0008/251000/modernizrjs.js?v=0.1.191ms52ms2ms3rd
C
JS Bundles
Action
8 scripts, 187 KB unused
REVIEW
8 scripts, 187 KB unused
Warning::
https://www.googletagmanager.com/gtag/js?id=G-59HM...: 64 KB unused (42%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtm.js?id=GTM-PLT...: 63 KB unused (50%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.sa.gov.au/__data/assets/js_file/0019/8...: 35 KB unused (68%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.sa.gov.au/__data/assets/js_file_folder...: 25 KB unused (86%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 187 KB
187 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.googletagmanager.com/gtag/js?id=G-59HM8GEHG8&cx=c&gtm=4e64h1152 KB64 KB (42%)✓3rd
https://www.googletagmanager.com/gtm.js?id=GTM-PLTDM77125 KB63 KB (50%)✓3rd
https://www.sa.gov.au/__data/assets/js_file/0019/845011/vendors2.js?v=0.1.052 KB35 KB (68%)✓3rd
https://www.sa.gov.au/__data/assets/js_file_folder/0012/599619/topics_ani.min.js29 KB25 KB (86%)✓3rd
https://www.sa.gov.au/__data/assets/js_file/0008/251000/modernizrjs.js?v=0.1.15 KB—✓3rd
https://www.sa.gov.au/__data/assets/js_file/0004/250996/jquery.tmpl.min.js?v=0.1.13 KB—✓3rd
https://www.sa.gov.au/__data/assets/js_file/0005/250997/jquery.funnelback-completion.js?v=0.1.15 KB—✗3rd
https://www.sa.gov.au/__data/assets/js_file/0006/250998/globaljs.js?v=0.2.3610 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

B
Page Weight Inventory
39 resources · 1.2 MB · 187 KB savings available
REVIEW
39 resources · 1.2 MB · 187 KB savings available
Warning::
Page weight 176 KB over 1MB target
Got: 1.2 MB Expected: ≤ 1 MB
Info::
~187 KB of savings available
Warning::
38 third-party resources (100% of weight)
Info::
1 resources over 200KB
39 resources · 1.2 MiB · 38 third-party 175.5 KiB over 1MB target
Image 61% · 729.2 KiB
JavaScript 32% · 380.4 KiB
Font 3% · 41.0 KiB
CSS 3% · 30.4 KiB
Document 1% · 18.0 KiB
Other 0% · 642 B

~186.6 KiB of savings available

Remove unused JavaScript: 186.6 KiB
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
3 fonts (41 KB)
PASS
3 fonts (41 KB)
Info::
3 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

3

41 KB total

Render-blocking

0

of 3

Dominant font-display

swap

Most common across fonts

Font loading timeline
Transfer FOIT (block) FOUT (swap)
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s 6.0 s 7.0 s 8.0 s 9.0 s FCP 3.5 s LCP 9.5 shttps://fonts.gstatic.com/s/lato/v25/S6uyw4BMUTPHjx4wXiWtFCc.woff2S6uyw4BMUTPHjx4wXiWtFCc... https://fonts.gstatic.com/s/lato/v25/S6uyw4BMUTPHjx4wXiWtFCc.woff2 — 13.7 KiB — 10 ms — font-display: swaphttps://fonts.gstatic.com/s/lato/v25/S6u9w4BMUTPHh6UVSwiPGQ3q5d0.woff2S6u9w4BMUTPHh6UVSwiPGQ3... https://fonts.gstatic.com/s/lato/v25/S6u9w4BMUTPHh6UVSwiPGQ3q5d0.woff2 — 13.9 KiB — 9 ms — font-display: swaphttps://fonts.gstatic.com/s/lato/v25/S6u9w4BMUTPHh50XSwiPGQ3q5d0.woff2S6u9w4BMUTPHh50XSwiPGQ3... https://fonts.gstatic.com/s/lato/v25/S6u9w4BMUTPHh50XSwiPGQ3q5d0.woff2 — 13.4 KiB — 8 ms — font-display: swap
S6uyw4BMUTPHjx4wXiWtFCc... woff2 swap
Size 14 KB
Load time 10 ms
Start 1.6 s
Risk FOUT — text flashes from fallback to web font
S6u9w4BMUTPHh6UVSwiPGQ3... woff2 swap
Size 14 KB
Load time 9 ms
Start 1.6 s
Risk FOUT — text flashes from fallback to web font
S6u9w4BMUTPHh50XSwiPGQ3... woff2 swap
Size 13 KB
Load time 8 ms
Start 1.6 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
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
39 requests over 2530ms
INFO
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s 6.0 s 7.0 s 8.0 s 9.0 s FCP 3.5 s LCP 9.5 shttps://sa.gov.au// https://sa.gov.au/ — 301 — 94 B — 516 ms — h2https://www.sa.gov.au/www.sa.gov.au/ https://www.sa.gov.au/ — 200 — 18.0 KiB — 598 ms — h2https://www.sa.gov.au/_design/rebrand-folder/css/topics_animations.css?v=0.1.12www.sa.gov.au/_design/rebrand-folde... https://www.sa.gov.au/_design/rebrand-folder/css/topics_animations.css?v=0.1.12 — 200 — 1.6 KiB — 386 ms — h2https://fonts.googleapis.com/css2?family=Lato:ital,wght@0,400;0,700;0,900;1,400;1,700;1,900&display=swapfonts.googleapis.com/css2?family=La... https://fonts.googleapis.com/css2?family=Lato:ital,wght@0,400;0,700;0,900;1,400;1,700;1,900&display=swap — 200 — 1010 B — 17 ms — h2https://www.sa.gov.au/_design/rebrand-folder/css/vendors.css?v=0.1.4www.sa.gov.au/_design/rebrand-folde... https://www.sa.gov.au/_design/rebrand-folder/css/vendors.css?v=0.1.4 — 200 — 4.7 KiB — 215 ms — h2https://www.sa.gov.au/_design/rebrand-folder/css/main.css?v=0.1.390www.sa.gov.au/_design/rebrand-folde... https://www.sa.gov.au/_design/rebrand-folder/css/main.css?v=0.1.390 — 200 — 21.0 KiB — 215 ms — h2https://www.sa.gov.au/__data/assets/js_file/0008/251000/modernizrjs.js?v=0.1.1www.sa.gov.au/__data/assets/js_file... https://www.sa.gov.au/__data/assets/js_file/0008/251000/modernizrjs.js?v=0.1.1 — 200 — 4.8 KiB — 88 ms — h2https://www.sa.gov.au/__data/assets/image/0010/251011/shape.pngwww.sa.gov.au/__data/assets/image/0... https://www.sa.gov.au/__data/assets/image/0010/251011/shape.png — 200 — 1.0 KiB — 377 ms — h2https://www.sa.gov.au/__data/assets/image/0011/251012/search-icon.pngwww.sa.gov.au/__data/assets/image/0... https://www.sa.gov.au/__data/assets/image/0011/251012/search-icon.png — 200 — 1.4 KiB — 483 ms — h2https://www.sa.gov.au/__data/assets/image/0019/1006174/Updated-Hero-Image-v2-thumb.jpgwww.sa.gov.au/__data/assets/image/0... https://www.sa.gov.au/__data/assets/image/0019/1006174/Updated-Hero-Image-v2-thumb.jpg — 200 — 259.0 KiB — 535 ms — h2https://www.sa.gov.au/__data/assets/image/0010/982900/algalbloom.pngwww.sa.gov.au/__data/assets/image/0... https://www.sa.gov.au/__data/assets/image/0010/982900/algalbloom.png — 200 — 154.7 KiB — 388 ms — h2https://www.sa.gov.au/__data/assets/image/0005/977081/DIT-25kmhBreakdownCampaign-290x192-v03.jpgwww.sa.gov.au/__data/assets/image/0... https://www.sa.gov.au/__data/assets/image/0005/977081/DIT-25kmhBreakdownCampaign-290x192-v03.jpg — 200 — 42.9 KiB — 394 ms — h2https://www.sa.gov.au/__data/assets/js_file/0019/845011/vendors2.js?v=0.1.0www.sa.gov.au/__data/assets/js_file... https://www.sa.gov.au/__data/assets/js_file/0019/845011/vendors2.js?v=0.1.0 — 200 — 51.6 KiB — 92 ms — h2https://www.sa.gov.au/__data/assets/js_file/0004/250996/jquery.tmpl.min.js?v=0.1.1www.sa.gov.au/__data/assets/js_file... https://www.sa.gov.au/__data/assets/js_file/0004/250996/jquery.tmpl.min.js?v=0.1.1 — 200 — 3.0 KiB — 89 ms — h2https://www.sa.gov.au/__data/assets/js_file/0005/250997/jquery.funnelback-completion.js?v=0.1.1www.sa.gov.au/__data/assets/js_file... https://www.sa.gov.au/__data/assets/js_file/0005/250997/jquery.funnelback-completion.js?v=0.1.1 — 200 — 4.8 KiB — 90 ms — h2https://www.sa.gov.au/__data/assets/js_file/0006/250998/globaljs.js?v=0.2.36www.sa.gov.au/__data/assets/js_file... https://www.sa.gov.au/__data/assets/js_file/0006/250998/globaljs.js?v=0.2.36 — 200 — 9.8 KiB — 81 ms — h2https://www.sa.gov.au/__data/assets/image/0013/251014/sagovau.pngwww.sa.gov.au/__data/assets/image/0... https://www.sa.gov.au/__data/assets/image/0013/251014/sagovau.png — 200 — 1.6 KiB — 220 ms — h2https://www.sa.gov.au/__data/assets/image/0004/989284/Lifejackets_Check_ManWithKids_350x192-V02.jpgwww.sa.gov.au/__data/assets/image/0... https://www.sa.gov.au/__data/assets/image/0004/989284/Lifejackets_Check_ManWithKids_350x192-V02.jpg — 200 — 52.2 KiB — 347 ms — h2https://www.sa.gov.au/__data/assets/image/0010/251020/gov-sa-logo.png?v=0.1.2www.sa.gov.au/__data/assets/image/0... https://www.sa.gov.au/__data/assets/image/0010/251020/gov-sa-logo.png?v=0.1.2 — 200 — 10.4 KiB — 190 ms — h2https://www.sa.gov.au/__data/assets/image/0012/251013/sa-logo.pngwww.sa.gov.au/__data/assets/image/0... https://www.sa.gov.au/__data/assets/image/0012/251013/sa-logo.png — 200 — 4.1 KiB — 209 ms — h2https://www.sa.gov.au/__data/assets/js_file_folder/0012/599619/topics_ani.min.jswww.sa.gov.au/__data/assets/js_file... https://www.sa.gov.au/__data/assets/js_file_folder/0012/599619/topics_ani.min.js — 200 — 28.9 KiB — 374 ms — h2https://www.googletagmanager.com/gtm.js?id=GTM-PLTDM77www.googletagmanager.com/gtm.js?id=... https://www.googletagmanager.com/gtm.js?id=GTM-PLTDM77 — 200 — 125.4 KiB — 31 ms — h2https://www.sa.gov.au/_design/rebrand-folder/css/landscape_max_1024.css?v=0.1.2www.sa.gov.au/_design/rebrand-folde... https://www.sa.gov.au/_design/rebrand-folder/css/landscape_max_1024.css?v=0.1.2 — 200 — 764 B — 156 ms — h2https://www.sa.gov.au/_design/rebrand-folder/css/print.css?v=0.1.34www.sa.gov.au/_design/rebrand-folde... https://www.sa.gov.au/_design/rebrand-folder/css/print.css?v=0.1.34 — 200 — 1.3 KiB — 168 ms — h2https://fonts.gstatic.com/s/lato/v25/S6uyw4BMUTPHjx4wXiWtFCc.woff2fonts.gstatic.com/s/lato/v25/S6uyw4... https://fonts.gstatic.com/s/lato/v25/S6uyw4BMUTPHjx4wXiWtFCc.woff2 — 200 — 13.7 KiB — 10 ms — h3https://www.sa.gov.au/__data/assets/file/0018/251055/s-a-g-o-v-a-u-logo-mobile.svg?v=0.1.1www.sa.gov.au/__data/assets/file/00... https://www.sa.gov.au/__data/assets/file/0018/251055/s-a-g-o-v-a-u-logo-mobile.svg?v=0.1.1 — 200 — 5.8 KiB — 198 ms — h2https://www.sa.gov.au/__data/assets/file/0016/251053/search-logo-mobile-header.svg?v=0.1.2www.sa.gov.au/__data/assets/file/00... https://www.sa.gov.au/__data/assets/file/0016/251053/search-logo-mobile-header.svg?v=0.1.2 — 200 — 1018 B — 195 ms — h2https://www.sa.gov.au/__data/assets/file/0003/251049/account-icon-mobile.svg?v=0.1.1www.sa.gov.au/__data/assets/file/00... https://www.sa.gov.au/__data/assets/file/0003/251049/account-icon-mobile.svg?v=0.1.1 — 200 — 1.9 KiB — 405 ms — h2https://www.sa.gov.au/__data/assets/file/0019/251056/alert_mobile_device.svg?v=0.1.1www.sa.gov.au/__data/assets/file/00... https://www.sa.gov.au/__data/assets/file/0019/251056/alert_mobile_device.svg?v=0.1.1 — 200 — 945 B — 378 ms — h2https://www.sa.gov.au/__data/assets/file/0020/251057/close_mobile.svg?v=0.1.1www.sa.gov.au/__data/assets/file/00... https://www.sa.gov.au/__data/assets/file/0020/251057/close_mobile.svg?v=0.1.1 — 200 — 830 B — 384 ms — h2
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s 6.0 s 7.0 s 8.0 s 9.0 s FCP 3.5 s LCP 9.5 shttps://sa.gov.au// https://sa.gov.au/ — 301 — 94 B — 516 ms — h2https://www.sa.gov.au/www.sa.gov.au/ https://www.sa.gov.au/ — 200 — 18.0 KiB — 598 ms — h2https://www.sa.gov.au/_design/rebrand-folder/css/topics_animations.css?v=0.1.12www.sa.gov.au/_design/rebrand-folde... https://www.sa.gov.au/_design/rebrand-folder/css/topics_animations.css?v=0.1.12 — 200 — 1.6 KiB — 386 ms — h2https://fonts.googleapis.com/css2?family=Lato:ital,wght@0,400;0,700;0,900;1,400;1,700;1,900&display=swapfonts.googleapis.com/css2?family=La... https://fonts.googleapis.com/css2?family=Lato:ital,wght@0,400;0,700;0,900;1,400;1,700;1,900&display=swap — 200 — 1010 B — 17 ms — h2https://www.sa.gov.au/_design/rebrand-folder/css/vendors.css?v=0.1.4www.sa.gov.au/_design/rebrand-folde... https://www.sa.gov.au/_design/rebrand-folder/css/vendors.css?v=0.1.4 — 200 — 4.7 KiB — 215 ms — h2https://www.sa.gov.au/_design/rebrand-folder/css/main.css?v=0.1.390www.sa.gov.au/_design/rebrand-folde... https://www.sa.gov.au/_design/rebrand-folder/css/main.css?v=0.1.390 — 200 — 21.0 KiB — 215 ms — h2https://www.sa.gov.au/__data/assets/js_file/0008/251000/modernizrjs.js?v=0.1.1www.sa.gov.au/__data/assets/js_file... https://www.sa.gov.au/__data/assets/js_file/0008/251000/modernizrjs.js?v=0.1.1 — 200 — 4.8 KiB — 88 ms — h2https://www.sa.gov.au/__data/assets/image/0010/251011/shape.pngwww.sa.gov.au/__data/assets/image/0... https://www.sa.gov.au/__data/assets/image/0010/251011/shape.png — 200 — 1.0 KiB — 377 ms — h2https://www.sa.gov.au/__data/assets/image/0011/251012/search-icon.pngwww.sa.gov.au/__data/assets/image/0... https://www.sa.gov.au/__data/assets/image/0011/251012/search-icon.png — 200 — 1.4 KiB — 483 ms — h2https://www.sa.gov.au/__data/assets/image/0019/1006174/Updated-Hero-Image-v2-thumb.jpgwww.sa.gov.au/__data/assets/image/0... https://www.sa.gov.au/__data/assets/image/0019/1006174/Updated-Hero-Image-v2-thumb.jpg — 200 — 259.0 KiB — 535 ms — h2https://www.sa.gov.au/__data/assets/image/0010/982900/algalbloom.pngwww.sa.gov.au/__data/assets/image/0... https://www.sa.gov.au/__data/assets/image/0010/982900/algalbloom.png — 200 — 154.7 KiB — 388 ms — h2https://www.sa.gov.au/__data/assets/image/0005/977081/DIT-25kmhBreakdownCampaign-290x192-v03.jpgwww.sa.gov.au/__data/assets/image/0... https://www.sa.gov.au/__data/assets/image/0005/977081/DIT-25kmhBreakdownCampaign-290x192-v03.jpg — 200 — 42.9 KiB — 394 ms — h2https://www.sa.gov.au/__data/assets/js_file/0019/845011/vendors2.js?v=0.1.0www.sa.gov.au/__data/assets/js_file... https://www.sa.gov.au/__data/assets/js_file/0019/845011/vendors2.js?v=0.1.0 — 200 — 51.6 KiB — 92 ms — h2https://www.sa.gov.au/__data/assets/js_file/0004/250996/jquery.tmpl.min.js?v=0.1.1www.sa.gov.au/__data/assets/js_file... 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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 1500ms · 352KB · A$26/mo
www.sa.gov.au
Other
Costly
Execution 384ms
Transfer 18 KB
Monthly Cost A$7/mo
Google Tag Manager
Tag Manager
Costly
Execution 357ms
Transfer 152 KB
Unused 42%
Monthly Cost A$6/mo
Unattributable
Other
Costly
Execution 290ms
Transfer 0 KB
Monthly Cost A$5/mo
Google Tag Manager
Tag Manager
Costly
Execution 270ms
Transfer 125 KB
Unused 50%
Monthly Cost A$5/mo
www.sa.gov.au
Other
Optional
Execution 107ms
Transfer 52 KB
Unused 68%
Monthly Cost A$2/mo
www.sa.gov.au
Other
Optional
Execution 91ms
Transfer 5 KB
Monthly Cost A$2/mo

These scripts may cost more than they're worth

  • www.sa.gov.au adds 384ms and costs ~A$7/month
  • Google Tag Manager adds 357ms and costs ~A$6/month
  • Unattributable adds 290ms and costs ~A$5/month
  • Google Tag Manager adds 270ms and costs ~A$5/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.sa.gov.au takes 384ms 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 357ms 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 290ms 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 270ms 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

50% 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

68% of www.sa.gov.au'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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