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Performance

· 15 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
80
GRADE
B
FIX
3
REVIEW
4
PASS
6
INFO
2

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

Mobile Desktop
88
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
93
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.
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.

886 ms

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

2.15 s

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

45 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.

1.21 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.

2.16 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
6 PASS 4 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 (1.8 MiB of 1.8 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
D
Page Weight Inventory
Action
42 resources · 1.8 MB · 289 KB savings available
FIX
42 resources · 1.8 MB · 289 KB savings available
Warning::
Page weight 823 KB over 1MB target
Got: 1.8 MB Expected: ≤ 1 MB
Info::
~289 KB of savings available
Warning::
41 third-party resources (100% of weight)
Info::
3 resources over 200KB
42 resources · 1.8 MiB · 41 third-party 822.8 KiB over 1MB target
Image 42% · 770.8 KiB
JavaScript 41% · 759.3 KiB
Font 7% · 123.7 KiB
Document 6% · 103.0 KiB
CSS 4% · 72.6 KiB
Other 1% · 17.4 KiB

~289.3 KiB of savings available

Remove unused JavaScript: 289.3 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
Page Weight Budget
Action
1.8 MB transferred, 42 requests
REVIEW
1.8 MB transferred, 42 requests
Info::
Page weighs 5.1 MB (1.8 MB transferred)
Warning::
JavaScript is 731 KB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 731 KB
Info::
42 HTTP requests
Info::
Estimated 0.38 g CO2 per page load
1.8 MB / 2.4 MB budget
1.8 MB transferred
42 requests
0.38 g CO2 per page load
Images 769.3 KiB 42%
JavaScript 731.0 KiB 40%
Fonts 123.7 KiB 7%
HTML 103.0 KiB 6%
CSS 68.7 KiB 4%
Other 46.5 KiB 3%
Other 3.5 KiB 0%
Other 1.3 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
Image Optimization
8 images, 0 KB saveable
REVIEW
8 images, 0 KB saveable
Info::
All images are well-optimized
8 images 769 KB
0 oversized -0 KB
8 legacy format
0 missing dimensions CLS risk
B
JS Execution Cost
534ms total JS execution
REVIEW
534ms total JS execution
Info::
https://www.samaritans.org/: 120ms CPU time
Info::
https://www.samaritans.org/static/js/website.05162...: 111ms CPU time
Info::
Unattributable: 97ms CPU time
Info::
https://www.googletagmanager.com/gtm.js?id=GTM-PCS...: 90ms CPU time
Info::
https://www.googletagmanager.com/gtag/js?id=G-YPYK...: 61ms CPU time
Warning::
Third-party scripts: 534ms (100% of total)

Main Thread Breakdown

Script Evaluation 47% Other 18% Script Parsing & Compilation 15% Style & Layout 9% Parse HTML & CSS 6%
ScriptTotalScriptingParse/CompileParty
https://www.samaritans.org/120ms2ms1ms3rd
https://www.samaritans.org/static/js/website.051629d080b6.js111ms50ms50ms3rd
Unattributable97ms24ms0ms3rd
https://www.googletagmanager.com/gtm.js?id=GTM-PCSWFRF90ms70ms14ms3rd
https://www.googletagmanager.com/gtag/js?id=G-YPYKJ55JNV&cx=c&gtm=4e64m0h261ms51ms9ms3rd
https://cdn-apac.onetrust.com/scripttemplates/202401.2.0/otBannerSdk.js55ms36ms10ms3rd
C
JS Bundles
Action
16 scripts, 289 KB unused
REVIEW
16 scripts, 289 KB unused
Warning::
https://www.samaritans.org/static/js/website.05162...: 90 KB unused (37%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtm.js?id=GTM-PCS...: 80 KB unused (46%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtag/js?id=G-YPYK...: 65 KB unused (42%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://cdn-apac.onetrust.com/scripttemplates/2024...: 55 KB unused (52%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 289 KB
289 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.samaritans.org/static/js/website.051629d080b6.js242 KB90 KB (37%)✓3rd
https://www.googletagmanager.com/gtm.js?id=GTM-PCSWFRF173 KB80 KB (46%)✓3rd
https://www.googletagmanager.com/gtag/js?id=G-YPYKJ55JNV&cx=c&gtm=4e64m0h2156 KB65 KB (42%)✓3rd
https://cdn-apac.onetrust.com/scripttemplates/202401.2.0/otBannerSdk.js104 KB55 KB (52%)✓3rd
https://script.platform.veracitytrustnetwork.com/loader/index.js1 KB—✓3rd
https://www.samaritans.org/static/js/donate.1bc98acca668.js2 KB—✓3rd
https://cdn-apac.onetrust.com/consent/0a5bb920-9967-47b7-8e06-2f6741e0a1aa/0a5bb920-9967-47b7-8e06-2f6741e0a1aa.json2 KB—✓3rd
https://instant.page/5.2.01 KB—✓3rd
https://cdn-apac.onetrust.com/scripttemplates/otSDKStub.js9 KB—✓3rd
https://cdn-apac.onetrust.com/consent/0a5bb920-9967-47b7-8e06-2f6741e0a1aa/018e13a9-71dd-75b7-ae5b-279a89bf9b9b/en.json21 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
6 fonts (124 KB)
PASS
6 fonts (124 KB)
Info::
6 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

6

124 KB total

Render-blocking

0

of 6

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 2.0 s FCP 886 ms LCP 2.2 shttps://www.samaritans.org/static/fonts/varah-regular.9c217261602a.woff2varah-regular.9c2172616... https://www.samaritans.org/static/fonts/varah-regular.9c217261602a.woff2 — 19.8 KiB — 58 ms — font-display: swaphttps://www.samaritans.org/static/fonts/varah-regular-italic.5e720f5e10a4.woff2varah-regular-italic.5e... https://www.samaritans.org/static/fonts/varah-regular-italic.5e720f5e10a4.woff2 — 22.2 KiB — 64 ms — font-display: swaphttps://www.samaritans.org/static/fonts/varah-light.4f6dfad2474d.woff2varah-light.4f6dfad2474... https://www.samaritans.org/static/fonts/varah-light.4f6dfad2474d.woff2 — 18.7 KiB — 41 ms — font-display: swaphttps://www.samaritans.org/static/fonts/varah-light-italic.d3096fe1260b.woff2varah-light-italic.d309... https://www.samaritans.org/static/fonts/varah-light-italic.d3096fe1260b.woff2 — 21.6 KiB — 58 ms — font-display: swaphttps://www.samaritans.org/static/fonts/varah-bold.8b023e719021.woff2varah-bold.8b023e719021... https://www.samaritans.org/static/fonts/varah-bold.8b023e719021.woff2 — 19.6 KiB — 39 ms — font-display: swaphttps://www.samaritans.org/static/fonts/varah-bold-italic.af214df82dfe.woff2varah-bold-italic.af214... https://www.samaritans.org/static/fonts/varah-bold-italic.af214df82dfe.woff2 — 21.8 KiB — 54 ms — font-display: swap
varah-regular.9c2172616... woff2 swap
Size 20 KB
Load time 58 ms
Start 216 ms
Risk FOUT — text flashes from fallback to web font
varah-regular-italic.5e... woff2 swap
Size 22 KB
Load time 64 ms
Start 217 ms
Risk FOUT — text flashes from fallback to web font
varah-light.4f6dfad2474... woff2 swap
Size 19 KB
Load time 41 ms
Start 217 ms
Risk FOUT — text flashes from fallback to web font
varah-light-italic.d309... woff2 swap
Size 22 KB
Load time 58 ms
Start 217 ms
Risk FOUT — text flashes from fallback to web font
varah-bold.8b023e719021... woff2 swap
Size 20 KB
Load time 39 ms
Start 218 ms
Risk FOUT — text flashes from fallback to web font
varah-bold-italic.af214... woff2 swap
Size 22 KB
Load time 54 ms
Start 218 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
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
42 requests over 1305ms
INFO
0 ms 500 ms 1.0 s 1.5 s 2.0 s FCP 886 ms LCP 2.2 shttps://samaritans.org// https://samaritans.org/ — 301 — 161 B — 64 ms — h2https://www.samaritans.org/www.samaritans.org/ https://www.samaritans.org/ — 200 — 103.0 KiB — 164 ms — h2https://cdn-apac.onetrust.com/scripttemplates/otSDKStub.jscdn-apac.onetrust.com/scripttemplat... https://cdn-apac.onetrust.com/scripttemplates/otSDKStub.js — 200 — 9.1 KiB — 89 ms — h2https://www.samaritans.org/static/css/website.d310d4eaaac5.csswww.samaritans.org/static/css/websi... https://www.samaritans.org/static/css/website.d310d4eaaac5.css — 200 — 68.7 KiB — 48 ms — h2https://www.samaritans.org/static/fonts/varah-regular.9c217261602a.woff2www.samaritans.org/static/fonts/var... https://www.samaritans.org/static/fonts/varah-regular.9c217261602a.woff2 — 200 — 19.8 KiB — 58 ms — h2https://www.samaritans.org/static/fonts/varah-regular-italic.5e720f5e10a4.woff2www.samaritans.org/static/fonts/var... https://www.samaritans.org/static/fonts/varah-regular-italic.5e720f5e10a4.woff2 — 200 — 22.2 KiB — 64 ms — h2https://www.samaritans.org/static/fonts/varah-light.4f6dfad2474d.woff2www.samaritans.org/static/fonts/var... https://www.samaritans.org/static/fonts/varah-light.4f6dfad2474d.woff2 — 200 — 18.7 KiB — 41 ms — h2https://www.samaritans.org/static/fonts/varah-light-italic.d3096fe1260b.woff2www.samaritans.org/static/fonts/var... https://www.samaritans.org/static/fonts/varah-light-italic.d3096fe1260b.woff2 — 200 — 21.6 KiB — 58 ms — h2https://www.samaritans.org/static/fonts/varah-bold.8b023e719021.woff2www.samaritans.org/static/fonts/var... https://www.samaritans.org/static/fonts/varah-bold.8b023e719021.woff2 — 200 — 19.6 KiB — 39 ms — h2https://www.samaritans.org/static/fonts/varah-bold-italic.af214df82dfe.woff2www.samaritans.org/static/fonts/var... https://www.samaritans.org/static/fonts/varah-bold-italic.af214df82dfe.woff2 — 200 — 21.8 KiB — 54 ms — h2https://media.samaritans.org/images/Heldiney-homepage.2e16d0ba.fill-768x500.jpegquality-40.jpgmedia.samaritans.org/images/Heldine... https://media.samaritans.org/images/Heldiney-homepage.2e16d0ba.fill-768x500.jpegquality-40.jpg — 200 — 20.4 KiB — 62 ms — h2https://media.samaritans.org/images/1_UibKksY.2e16d0ba.fill-1100x600.jpgmedia.samaritans.org/images/1_UibKk... https://media.samaritans.org/images/1_UibKksY.2e16d0ba.fill-1100x600.jpg — 200 — 67.7 KiB — 53 ms — h2https://instant.page/5.2.0instant.page/5.2.0 https://instant.page/5.2.0 — 200 — 1.3 KiB — 75 ms — h2https://media.samaritans.org/images/grace-anne-story-small-talk-save.2e16d0ba.fill-1300x1300.jpgmedia.samaritans.org/images/grace-a... https://media.samaritans.org/images/grace-anne-story-small-talk-save.2e16d0ba.fill-1300x1300.jpg — 200 — 227.5 KiB — 41 ms — h2https://www.samaritans.org/static/js/website.051629d080b6.jswww.samaritans.org/static/js/websit... https://www.samaritans.org/static/js/website.051629d080b6.js — 200 — 242.3 KiB — 40 ms — h2https://cdn-apac.onetrust.com/consent/0a5bb920-9967-47b7-8e06-2f6741e0a1aa/0a5bb920-9967-47b7-8e06-2f6741e0a1aa.jsoncdn-apac.onetrust.com/consent/0a5bb... https://cdn-apac.onetrust.com/consent/0a5bb920-9967-47b7-8e06-2f6741e0a1aa/0a5bb920-9967-47b7-8e06-2f6741e0a1aa.json — 200 — 2.2 KiB — 88 ms — h2https://www.samaritans.org/static/js/donate.1bc98acca668.jswww.samaritans.org/static/js/donate... https://www.samaritans.org/static/js/donate.1bc98acca668.js — 200 — 2.3 KiB — 25 ms — h2https://www.googletagmanager.com/gtm.js?id=GTM-PCSWFRFwww.googletagmanager.com/gtm.js?id=... https://www.googletagmanager.com/gtm.js?id=GTM-PCSWFRF — 200 — 172.8 KiB — 178 ms — h2https://media.samaritans.org/images/Heldiney-homepage.2e16d0ba.fill-1900x1250.jpegquality-40.jpgmedia.samaritans.org/images/Heldine... https://media.samaritans.org/images/Heldiney-homepage.2e16d0ba.fill-1900x1250.jpegquality-40.jpg — 200 — 93.8 KiB — 27 ms — h2https://media.samaritans.org/images/Office_420_AR.width-1300.jpgmedia.samaritans.org/images/Office_... https://media.samaritans.org/images/Office_420_AR.width-1300.jpg — 200 — 114.2 KiB — 26 ms — h2https://media.samaritans.org/images/9960_AR.width-1300.jpgmedia.samaritans.org/images/9960_AR... https://media.samaritans.org/images/9960_AR.width-1300.jpg — 200 — 223.8 KiB — 33 ms — h2https://geolocation.onetrust.com/cookieconsentpub/v1/geo/locationgeolocation.onetrust.com/cookiecons... https://geolocation.onetrust.com/cookieconsentpub/v1/geo/location — 200 — 203 B — 33 ms — h2https://cdn-apac.onetrust.com/scripttemplates/202401.2.0/otBannerSdk.jscdn-apac.onetrust.com/scripttemplat... https://cdn-apac.onetrust.com/scripttemplates/202401.2.0/otBannerSdk.js — 200 — 104.5 KiB — 51 ms — h2https://www.googletagmanager.com/gtag/js?id=G-YPYKJ55JNV&cx=c&gtm=4e64m0h2www.googletagmanager.com/gtag/js?id... https://www.googletagmanager.com/gtag/js?id=G-YPYKJ55JNV&cx=c&gtm=4e64m0h2 — 200 — 156.4 KiB — 57 ms — h2https://script.platform.veracitytrustnetwork.com/loader/index.jsscript.platform.veracitytrustnetwor... https://script.platform.veracitytrustnetwork.com/loader/index.js — 200 — 1.2 KiB — 60 ms — h2https://cdn-apac.onetrust.com/consent/0a5bb920-9967-47b7-8e06-2f6741e0a1aa/018e13a9-71dd-75b7-ae5b-279a89bf9b9b/en.jsoncdn-apac.onetrust.com/consent/0a5bb... https://cdn-apac.onetrust.com/consent/0a5bb920-9967-47b7-8e06-2f6741e0a1aa/018e13a9-71dd-75b7-ae5b-279a89bf9b9b/en.json — 200 — 20.7 KiB — 48 ms — h2https://cdn-apac.onetrust.com/scripttemplates/202401.2.0/assets/otCenterRounded.jsoncdn-apac.onetrust.com/scripttemplat... https://cdn-apac.onetrust.com/scripttemplates/202401.2.0/assets/otCenterRounded.json — 200 — 2.7 KiB — 32 ms — h2https://cdn-apac.onetrust.com/scripttemplates/202401.2.0/assets/v2/otPcCenter.jsoncdn-apac.onetrust.com/scripttemplat... https://cdn-apac.onetrust.com/scripttemplates/202401.2.0/assets/v2/otPcCenter.json — 200 — 12.7 KiB — 30 ms — h2https://cdn-apac.onetrust.com/scripttemplates/202401.2.0/assets/otCommonStyles.csscdn-apac.onetrust.com/scripttemplat... https://cdn-apac.onetrust.com/scripttemplates/202401.2.0/assets/otCommonStyles.css — 200 — 3.9 KiB — 33 ms — h2https://api.platform.veracitytrustnetwork.com/tracker/scriptsapi.platform.veracitytrustnetwork.c... https://api.platform.veracitytrustnetwork.com/tracker/scripts — 200 — 754 B — 156 ms — h2
0 ms 500 ms 1.0 s 1.5 s 2.0 s FCP 886 ms LCP 2.2 shttps://samaritans.org// https://samaritans.org/ — 301 — 161 B — 64 ms — h2https://www.samaritans.org/www.samaritans.org/ https://www.samaritans.org/ — 200 — 103.0 KiB — 164 ms — h2https://cdn-apac.onetrust.com/scripttemplates/otSDKStub.jscdn-apac.onetrust.com/scripttemplat... https://cdn-apac.onetrust.com/scripttemplates/otSDKStub.js — 200 — 9.1 KiB — 89 ms — h2https://www.samaritans.org/static/css/website.d310d4eaaac5.csswww.samaritans.org/static/css/websi... https://www.samaritans.org/static/css/website.d310d4eaaac5.css — 200 — 68.7 KiB — 48 ms — h2https://www.samaritans.org/static/fonts/varah-regular.9c217261602a.woff2www.samaritans.org/static/fonts/var... https://www.samaritans.org/static/fonts/varah-regular.9c217261602a.woff2 — 200 — 19.8 KiB — 58 ms — h2https://www.samaritans.org/static/fonts/varah-regular-italic.5e720f5e10a4.woff2www.samaritans.org/static/fonts/var... https://www.samaritans.org/static/fonts/varah-regular-italic.5e720f5e10a4.woff2 — 200 — 22.2 KiB — 64 ms — h2https://www.samaritans.org/static/fonts/varah-light.4f6dfad2474d.woff2www.samaritans.org/static/fonts/var... https://www.samaritans.org/static/fonts/varah-light.4f6dfad2474d.woff2 — 200 — 18.7 KiB — 41 ms — h2https://www.samaritans.org/static/fonts/varah-light-italic.d3096fe1260b.woff2www.samaritans.org/static/fonts/var... https://www.samaritans.org/static/fonts/varah-light-italic.d3096fe1260b.woff2 — 200 — 21.6 KiB — 58 ms — h2https://www.samaritans.org/static/fonts/varah-bold.8b023e719021.woff2www.samaritans.org/static/fonts/var... https://www.samaritans.org/static/fonts/varah-bold.8b023e719021.woff2 — 200 — 19.6 KiB — 39 ms — h2https://www.samaritans.org/static/fonts/varah-bold-italic.af214df82dfe.woff2www.samaritans.org/static/fonts/var... https://www.samaritans.org/static/fonts/varah-bold-italic.af214df82dfe.woff2 — 200 — 21.8 KiB — 54 ms — h2https://media.samaritans.org/images/Heldiney-homepage.2e16d0ba.fill-768x500.jpegquality-40.jpgmedia.samaritans.org/images/Heldine... https://media.samaritans.org/images/Heldiney-homepage.2e16d0ba.fill-768x500.jpegquality-40.jpg — 200 — 20.4 KiB — 62 ms — h2https://media.samaritans.org/images/1_UibKksY.2e16d0ba.fill-1100x600.jpgmedia.samaritans.org/images/1_UibKk... https://media.samaritans.org/images/1_UibKksY.2e16d0ba.fill-1100x600.jpg — 200 — 67.7 KiB — 53 ms — h2https://instant.page/5.2.0instant.page/5.2.0 https://instant.page/5.2.0 — 200 — 1.3 KiB — 75 ms — h2https://media.samaritans.org/images/grace-anne-story-small-talk-save.2e16d0ba.fill-1300x1300.jpgmedia.samaritans.org/images/grace-a... https://media.samaritans.org/images/grace-anne-story-small-talk-save.2e16d0ba.fill-1300x1300.jpg — 200 — 227.5 KiB — 41 ms — h2https://www.samaritans.org/static/js/website.051629d080b6.jswww.samaritans.org/static/js/websit... https://www.samaritans.org/static/js/website.051629d080b6.js — 200 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— 57 ms — h2https://script.platform.veracitytrustnetwork.com/loader/index.jsscript.platform.veracitytrustnetwor... https://script.platform.veracitytrustnetwork.com/loader/index.js — 200 — 1.2 KiB — 60 ms — h2https://cdn-apac.onetrust.com/consent/0a5bb920-9967-47b7-8e06-2f6741e0a1aa/018e13a9-71dd-75b7-ae5b-279a89bf9b9b/en.jsoncdn-apac.onetrust.com/consent/0a5bb... https://cdn-apac.onetrust.com/consent/0a5bb920-9967-47b7-8e06-2f6741e0a1aa/018e13a9-71dd-75b7-ae5b-279a89bf9b9b/en.json — 200 — 20.7 KiB — 48 ms — h2https://cdn-apac.onetrust.com/scripttemplates/202401.2.0/assets/otCenterRounded.jsoncdn-apac.onetrust.com/scripttemplat... https://cdn-apac.onetrust.com/scripttemplates/202401.2.0/assets/otCenterRounded.json — 200 — 2.7 KiB — 32 ms — h2https://cdn-apac.onetrust.com/scripttemplates/202401.2.0/assets/v2/otPcCenter.jsoncdn-apac.onetrust.com/scripttemplat... https://cdn-apac.onetrust.com/scripttemplates/202401.2.0/assets/v2/otPcCenter.json — 200 — 12.7 KiB — 30 ms — h2https://cdn-apac.onetrust.com/scripttemplates/202401.2.0/assets/otCommonStyles.csscdn-apac.onetrust.com/scripttemplat... https://cdn-apac.onetrust.com/scripttemplates/202401.2.0/assets/otCommonStyles.css — 200 — 3.9 KiB — 33 ms — h2https://api.platform.veracitytrustnetwork.com/tracker/scriptsapi.platform.veracitytrustnetwork.c... https://api.platform.veracitytrustnetwork.com/tracker/scripts — 200 — 754 B — 156 ms — h2https://www.samaritans.org/static/images/favicons/favicon-32x32.6a7f043b5c03.pngwww.samaritans.org/static/images/fa... https://www.samaritans.org/static/images/favicons/favicon-32x32.6a7f043b5c03.png — 200 — 1.1 KiB — 24 ms — h2https://cdn-apac.onetrust.com/logos/static/ot_guard_logo.svgcdn-apac.onetrust.com/logos/static/... https://cdn-apac.onetrust.com/logos/static/ot_guard_logo.svg — 200 — 494 B — 29 ms — h2https://cdn-apac.onetrust.com/logos/static/ot_company_logo.pngcdn-apac.onetrust.com/logos/static/... https://cdn-apac.onetrust.com/logos/static/ot_company_logo.png — 200 — 19.1 KiB — 28 ms — h2https://cdn-apac.onetrust.com/logos/static/powered_by_logo.svgcdn-apac.onetrust.com/logos/static/... https://cdn-apac.onetrust.com/logos/static/powered_by_logo.svg — 200 — 2.7 KiB — 27 ms — h2https://script.platform.veracitytrustnetwork.com/4.13.0/index.jsscript.platform.veracitytrustnetwor... https://script.platform.veracitytrustnetwork.com/4.13.0/index.js — 200 — 41.1 KiB — 25 ms — h2https://analyze.platform.veracitytrustnetwork.com/tracker/ip/analyze.platform.veracitytrustnetwo... https://analyze.platform.veracitytrustnetwork.com/tracker/ip/ — 200 — 343 B — 99 ms — h2https://fp.platform.veracitytrustnetwork.com/browser/testsfp.platform.veracitytrustnetwork.co... https://fp.platform.veracitytrustnetwork.com/browser/tests — 200 — 4.2 KiB — 97 ms — h2https://fp.platform.veracitytrustnetwork.com/browser/testfp.platform.veracitytrustnetwork.co... https://fp.platform.veracitytrustnetwork.com/browser/test — 200 — 0 B — 41 ms — h2https://fp.platform.veracitytrustnetwork.com/browser/testfp.platform.veracitytrustnetwork.co... https://fp.platform.veracitytrustnetwork.com/browser/test — 200 — 467 B — 100 ms — h2https://analyze.platform.veracitytrustnetwork.com/tracker/analyze.platform.veracitytrustnetwo... https://analyze.platform.veracitytrustnetwork.com/tracker/ — 200 — 375 B — 70 ms — h2https://region1.google-analytics.com/g/collect?v=2&tid=G-YPYKJ55JNV&gtm=45je64m0h2v9106732810z8810470507za20gzb810470507zd810470507&_p=1776899690699&gcs=G100&gcd=13p3p3p2p5l1&npa=1&dma_cps=-&dma=1&gdid=dYWJhMj&_eu=AAAAAGA&are=1&cid=150301357.1776899692&frm=0&pscdl=denied&rcb=5&sr=800x600&uaa=x86&uab=64&uafvl=Chromium%3B147.0.7727.101%7CNot.A%252FBrand%3B8.0.0.0&uam=&uamb=0&uap=macOS&uapv=10.15.7&uaw=0&ul=en-us&_s=1&tag_exp=0~115938465~115938468~117266401~117384405~117512542~118463262&sid=1776899691&sct=1&seg=0&dl=https%3A%2F%2Fwww.samaritans.org%2F&dt=Samaritans%20%7C%20Every%20life%20lost%20to%20suicide%20is%20a%20tragedy%20%7C%20Here%20to%20listen&en=page_view&_fv=1&_nsi=1&_ss=1&tfd=1196region1.google-analytics.com/g/coll... 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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 534ms · 779KB · €6/mo
www.samaritans.org
Other
Optional
Execution 120ms
Transfer 103 KB
Monthly Cost €1/mo
www.samaritans.org
Other
Optional
Execution 111ms
Transfer 242 KB
Unused 37%
Monthly Cost €1/mo
Unattributable
Other
Optional
Execution 97ms
Transfer 0 KB
Monthly Cost €1/mo
Google Tag Manager
Tag Manager
Optional
Execution 90ms
Transfer 173 KB
Unused 46%
Monthly Cost €1/mo
Google Tag Manager
Tag Manager
Optional
Execution 61ms
Transfer 156 KB
Unused 42%
Monthly Cost €1/mo
cdn-apac.onetrust.com
Other
Optional
Execution 55ms
Transfer 104 KB
Unused 52%
Monthly Cost €1/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

52% of cdn-apac.onetrust.com'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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