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https://comparitech.com

Performance

· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
88
GRADE
B
FIX
2
REVIEW
3
PASS
10
INFO
2

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

Mobile Desktop
51
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
98
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.

3.85 s

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

8.37 s

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

517 ms

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

0.000

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

5.34 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.

8.65 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
10 PASS 3 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 (490.5 KiB of 490.8 KiB)
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
Image Optimization
6 images, 0 KB saveable
REVIEW
6 images, 0 KB saveable
Info::
All images are well-optimized
6 images 51 KB
0 oversized -0 KB
6 legacy format
0 missing dimensions CLS risk
C
JS Execution Cost
Action
1783ms total JS execution
REVIEW
1783ms total JS execution
Warning::
https://assets.comparitech.com/9dqwofjeq/d6b8?2708...: 457ms CPU time
Warning::
https://load.assets.comparitech.com/9dqwofjeq.js?7...: 444ms CPU time
Warning::
https://www.comparitech.com/: 356ms CPU time
Warning::
https://scripts.clarity.ms/0.8.59/clarity.js: 268ms CPU time
Warning::
Unattributable: 258ms CPU time
Warning::
Third-party scripts: 1783ms (100% of total)

Main Thread Breakdown

Script Evaluation 66% Other 16% Script Parsing & Compilation 10% Style & Layout 5% Parse HTML & CSS 3%
ScriptTotalScriptingParse/CompileParty
https://assets.comparitech.com/9dqwofjeq/d6b8?2708a026=L2d0YWcvanM%2FaWQ9Ry01OTRRNldYMEVEJmN4PWMmZ3RtPTRlNjRrMA%3D%3D457ms381ms72ms3rd
https://load.assets.comparitech.com/9dqwofjeq.js?7h2evbyr=aWQ9R1RNLVRYNkhKVg%3D%3D&sort=desc444ms356ms63ms3rd
https://www.comparitech.com/356ms133ms49ms3rd
https://scripts.clarity.ms/0.8.59/clarity.js268ms220ms11ms3rd
Unattributable258ms23ms0ms3rd
B
JS Bundles
8 scripts, 129 KB unused
REVIEW
8 scripts, 129 KB unused
Warning::
https://load.assets.comparitech.com/9dqwofjeq.js?7...: 65 KB unused (45%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://assets.comparitech.com/9dqwofjeq/d6b8?2708...: 64 KB unused (39%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 129 KB
129 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://load.assets.comparitech.com/9dqwofjeq.js?7h2evbyr=aWQ9R1RNLVRYNkhKVg%3D%3D&sort=desc145 KB65 KB (45%)✓3rd
https://assets.comparitech.com/9dqwofjeq/d6b8?2708a026=L2d0YWcvanM%2FaWQ9Ry01OTRRNldYMEVEJmN4PWMmZ3RtPTRlNjRrMA%3D%3D166 KB64 KB (39%)✓3rd
https://cdn.comparitech.com/wp-content/plugins/comparitech-custom/inc/calc/roiEngine.js3 KB—✓3rd
https://cdn.comparitech.com/wp-content/plugins/comparitech-custom/inc/shortcodes/in-short/js/in-short.js?ver=1.0.31 KB—✓3rd
https://www.comparitech.com/6uK9szCotqRV.js?ts=325230 KB—✓3rd
https://load.assets.comparitech.com/gtm.js?id=GTM-TX6HJV&gtg_health=11 KB—✓3rd
https://www.clarity.ms/tag/ljscpeiagr?ref=gtm1 KB—✓3rd
https://scripts.clarity.ms/0.8.59/clarity.js26 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

A+
Page Weight Budget
491 KB transferred, 27 requests
PASS
491 KB transferred, 27 requests
Info::
Page weighs 1.4 MB (491 KB transferred)
Info::
27 HTTP requests
Info::
Estimated 0.10 g CO2 per page load
491 KB / 2.4 MB budget
491 KB transferred
27 requests
0.10 g CO2 per page load
JavaScript 343.4 KiB 70%
HTML 89.0 KiB 18%
Images 51.0 KiB 10%
Other 2.6 KiB 1%
Other 2.2 KiB 0%
CSS 1.4 KiB 0%
Other 1.3 KiB 0%
0 2.4 MB 4.9 MB
Under budget
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
No web fonts (system fonts)
PASS
No web fonts (system fonts)
Info::
No web fonts loaded — system fonts are fastest
No web fonts loaded — system fonts are optimal.
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
Page Weight Inventory
27 resources · 491 KB · 129 KB savings available
PASS
27 resources · 491 KB · 129 KB savings available
Info::
Within 1MB page-weight target
Got: 491 KB
Info::
~129 KB of savings available
Warning::
26 third-party resources (100% of weight)
27 resources · 490.8 KiB · 26 third-party Within 1MB page-weight target
JavaScript 70% · 343.4 KiB
Document 18% · 89.3 KiB
Image 11% · 52.1 KiB
Other 1% · 4.7 KiB
CSS 0% · 1.4 KiB

~128.8 KiB of savings available

Remove unused JavaScript: 128.8 KiB
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: Hetzner Online GmbH

Network Waterfall
27 requests over 4847ms
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 FCP 3.9 s LCP 8.4 shttps://comparitech.com// https://comparitech.com/ — 301 — 266 B — 204 ms — h2https://www.comparitech.com/www.comparitech.com/ https://www.comparitech.com/ — 200 — 87.1 KiB — 17 ms — h2https://cdn.comparitech.com/wp-content/plugins/elasticpress/dist/css/general-styles.css?ver=66295efe92a630617c00cdn.comparitech.com/wp-content/plug... https://cdn.comparitech.com/wp-content/plugins/elasticpress/dist/css/general-styles.css?ver=66295efe92a630617c00 — 200 — 1.4 KiB — 105 ms — h2https://cdn.comparitech.com/wp-content/plugins/comparitech-custom/inc/calc/roiEngine.jscdn.comparitech.com/wp-content/plug... https://cdn.comparitech.com/wp-content/plugins/comparitech-custom/inc/calc/roiEngine.js — 200 — 2.8 KiB — 103 ms — h2https://cdn.comparitech.com/wp-content/plugins/comparitech-custom/inc/shortcodes/in-short/js/in-short.js?ver=1.0.3cdn.comparitech.com/wp-content/plug... https://cdn.comparitech.com/wp-content/plugins/comparitech-custom/inc/shortcodes/in-short/js/in-short.js?ver=1.0.3 — 200 — 690 B — 105 ms — h2https://www.comparitech.com/6uK9szCotqRV.js?ts=32523www.comparitech.com/6uK9szCotqRV.js... https://www.comparitech.com/6uK9szCotqRV.js?ts=32523 — 200 — 410 B — 3 ms — h2https://load.assets.comparitech.com/9dqwofjeq.js?7h2evbyr=aWQ9R1RNLVRYNkhKVg%3D%3D&sort=descload.assets.comparitech.com/9dqwofj... https://load.assets.comparitech.com/9dqwofjeq.js?7h2evbyr=aWQ9R1RNLVRYNkhKVg%3D%3D&sort=desc — 200 — 145.5 KiB — 444 ms — h3https://cdn.comparitech.com/wp-content/themes/comparitech-2018/static/img/header-hero-detail.jpgcdn.comparitech.com/wp-content/them... https://cdn.comparitech.com/wp-content/themes/comparitech-2018/static/img/header-hero-detail.jpg — 200 — 41.9 KiB — 7 ms — h2https://cdn.comparitech.com/wp-content/themes/comparitech-2018/static/img/featured-logos.jpgcdn.comparitech.com/wp-content/them... https://cdn.comparitech.com/wp-content/themes/comparitech-2018/static/img/featured-logos.jpg — 200 — 7.8 KiB — 8 ms — h2https://pro.ip-api.com/json/?key=koxgS94M2RrKa3rpro.ip-api.com/json/?key=koxgS94M2R... https://pro.ip-api.com/json/?key=koxgS94M2RrKa3r — 200 — 472 B — 13 ms — http/1.1https://cdn.comparitech.com/wp-content/uploads/2018/12/cropped-favicon-1-32x32.jpgcdn.comparitech.com/wp-content/uplo... https://cdn.comparitech.com/wp-content/uploads/2018/12/cropped-favicon-1-32x32.jpg — 200 — 1.1 KiB — 3 ms — h2https://load.assets.comparitech.com/gtm.js?id=GTM-TX6HJV&gtg_health=1load.assets.comparitech.com/gtm.js?... https://load.assets.comparitech.com/gtm.js?id=GTM-TX6HJV&gtg_health=1 — 200 — 513 B — 34 ms — h3https://assets.comparitech.com/9dqwofjeq/d6b8?2708a026=L2d0YWcvanM%2FaWQ9Ry01OTRRNldYMEVEJmN4PWMmZ3RtPTRlNjRrMA%3D%3Dassets.comparitech.com/9dqwofjeq/d6... https://assets.comparitech.com/9dqwofjeq/d6b8?2708a026=L2d0YWcvanM%2FaWQ9Ry01OTRRNldYMEVEJmN4PWMmZ3RtPTRlNjRrMA%3D%3D — 200 — 166.2 KiB — 1.3 s — h2https://www.clarity.ms/tag/ljscpeiagr?ref=gtmwww.clarity.ms/tag/ljscpeiagr?ref=g... https://www.clarity.ms/tag/ljscpeiagr?ref=gtm — 200 — 1.1 KiB — 19 ms — http/1.1https://scripts.clarity.ms/0.8.59/clarity.jsscripts.clarity.ms/0.8.59/clarity.j... https://scripts.clarity.ms/0.8.59/clarity.js — 200 — 26.2 KiB — 21 ms — h2https://c.clarity.ms/c.gifc.clarity.ms/c.gif https://c.clarity.ms/c.gif — 302 — 515 B — 77 ms — h2https://c.bing.com/c.gif?ctsa=mr&CtsSyncId=56FD64714E9E487FA9A00555A3955997&RedC=c.clarity.ms&MXFR=2F1AB0F6674264602CC1A7B563426AC6c.bing.com/c.gif?ctsa=mr&CtsSyncId=... https://c.bing.com/c.gif?ctsa=mr&CtsSyncId=56FD64714E9E487FA9A00555A3955997&RedC=c.clarity.ms&MXFR=2F1AB0F6674264602CC1A7B563426AC6 — 302 — 762 B — 73 ms — h2https://q.clarity.ms/collectq.clarity.ms/collect https://q.clarity.ms/collect — 204 — 283 B — 680 ms — http/1.1https://c.clarity.ms/c.gif?ctsa=mr&CtsSyncId=56FD64714E9E487FA9A00555A3955997&MUID=171432C299186DAE3F112581987F6C75c.clarity.ms/c.gif?ctsa=mr&CtsSyncI... https://c.clarity.ms/c.gif?ctsa=mr&CtsSyncId=56FD64714E9E487FA9A00555A3955997&MUID=171432C299186DAE3F112581987F6C75 — 200 — 466 B — 62 ms — 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https://assets.comparitech.com/9dqwofjeq?2708a026=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%2BMTE1OTM4NDY2fjExNTkzODQ2OX4xMTcyNjY0MDB%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%3D — 200 — 1.7 KiB — 244 ms — h2https://assets.comparitech.com/_/service_worker/63b0/sw_iframe.html?origin=https%3A%2F%2Fwww.comparitech.com&1p=1assets.comparitech.com/_/service_wo... https://assets.comparitech.com/_/service_worker/63b0/sw_iframe.html?origin=https%3A%2F%2Fwww.comparitech.com&1p=1 — 200 — 1.9 KiB — 214 ms — h2https://analytics.google.com/g/collect?a=adblocker_checkanalytics.google.com/g/collect?a=ad... https://analytics.google.com/g/collect?a=adblocker_check — 204 — 502 B — 20 ms — h2https://q.clarity.ms/collectq.clarity.ms/collect https://q.clarity.ms/collect — 204 — 283 B — 464 ms — http/1.1https://analytics.google.com/g/s/collect?dma=0&npa=0&gcs=G111&gcd=13t3t3t3t5l1&gtm=45h91e64l1v867600485z871649924z99204122402za20kzb71649924zd71649924&tag_exp=0~115938466~115938469~117266400~117512543~117704211&_is_sw=f15s0t4&_tu=DA&gap.gtb=2&_gsid=594Q6WX0EDUQYNEzhtX-hf7jFcPOIXyQanalytics.google.com/g/s/collect?dm... https://analytics.google.com/g/s/collect?dma=0&npa=0&gcs=G111&gcd=13t3t3t3t5l1&gtm=45h91e64l1v867600485z871649924z99204122402za20kzb71649924zd71649924&tag_exp=0~115938466~115938469~117266400~117512543~117704211&_is_sw=f15s0t4&_tu=DA&gap.gtb=2&_gsid=594Q6WX0EDUQYNEzhtX-hf7jFcPOIXyQ — 204 — 19 B — 13 ms — h3https://www.google.com.sg/ads/ga-audiences?v=1&t=sr&slf_rd=1&_r=4&dma=0&npa=0&gcs=G111&gcd=13t3t3t3t5l1&tid=G-594Q6WX0ED&cid=DJ5IQIjiCmjjo1HVnweV5tWRGZ2UqcfDYqxlI23aWfY%3D.1776895461&gtm=45h91e64l1v867600485z871649924z99204122402za20kzb71649924zd71649924&tag_exp=0~115938466~115938469~117266400~117512543~117704211&_is_sw=f15s0t4&_tu=DA&gap.gtb=2&aip=1&z=769808889www.google.com.sg/ads/ga-audiences?... 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https://stats.g.doubleclick.net/g/collect?v=2&dma=0&npa=0&gcs=G111&gcd=13t3t3t3t5l1&tid=G-594Q6WX0ED&cid=DJ5IQIjiCmjjo1HVnweV5tWRGZ2UqcfDYqxlI23aWfY%3D.1776895461&gtm=45h91e64l1v867600485z871649924z99204122402za20kzb71649924zd71649924&tag_exp=0~115938466~115938469~117266400~117512543~117704211&_is_sw=f15s0t4&_tu=DA&gap.gtb=2&aip=1 — 204 — 514 B — 19 ms — h2https://q.clarity.ms/collectq.clarity.ms/collect https://q.clarity.ms/collect — 204 — 283 B — 223 ms — http/1.1
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 1783ms · 425KB · S$42/mo
assets.comparitech.com
Other
Costly
Execution 457ms
Transfer 166 KB
Unused 39%
Monthly Cost S$11/mo
load.assets.comparitech.com
Other
Costly
Execution 444ms
Transfer 145 KB
Unused 45%
Monthly Cost S$10/mo
www.comparitech.com
Other
Costly
Execution 356ms
Transfer 87 KB
Monthly Cost S$8/mo
Microsoft Clarity
Session Replay
Costly
Execution 268ms
Transfer 26 KB
Monthly Cost S$6/mo
Unattributable
Other
Costly
Execution 258ms
Transfer 0 KB
Monthly Cost S$6/mo

These scripts may cost more than they're worth

  • assets.comparitech.com adds 457ms and costs ~S$11/month
  • load.assets.comparitech.com adds 444ms and costs ~S$10/month
  • www.comparitech.com adds 356ms and costs ~S$8/month
  • Microsoft Clarity adds 268ms and costs ~S$6/month
  • Unattributable adds 258ms and costs ~S$6/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

assets.comparitech.com takes 457ms 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

load.assets.comparitech.com takes 444ms 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

www.comparitech.com takes 356ms 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

Microsoft Clarity takes 268ms 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 258ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.

Why this matters

This script has high main-thread execution time — optimize hot paths or defer.

Source: web.dev

How third-party costs are calculated

All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.

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