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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
66
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.
77
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.

946 ms

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

2.69 s

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

808 ms

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

0.225

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

1.80 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.

4.40 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
JS Execution Cost
Action
2785ms total JS execution
FIX
2785ms total JS execution
Warning::
https://notes.io/cdn-cgi/challenge-platform/script...: 862ms CPU time
Warning::
https://notes.io/: 491ms CPU time
Warning::
https://www.googletagmanager.com/gtag/js?id=G-H0XV...: 469ms CPU time
Warning::
Unattributable: 396ms CPU time
Warning::
https://notes.io/cdn-cgi/scripts/7d0fa10a/cloudfla...: 388ms CPU time
Info::
Third-party scripts: 947ms (34% of total)

Main Thread Breakdown

Script Evaluation 56% Other 24% Style & Layout 11% Script Parsing & Compilation 5%
ScriptTotalScriptingParse/CompileParty
https://notes.io/cdn-cgi/challenge-platform/scripts/jsd/main.js862ms816ms17ms1st
https://notes.io/491ms84ms3ms1st
https://www.googletagmanager.com/gtag/js?id=G-H0XVNMGVTV469ms351ms86ms3rd
Unattributable396ms10ms0ms3rd
https://notes.io/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js388ms187ms5ms1st
https://notes.io/theme/scripts/jquery.min.js96ms66ms26ms1st
https://static.cloudflareinsights.com/beacon.min.js/v8c78df7c7c0f484497ecbca7046644da177152312451682ms41ms6ms3rd
D
HTTP Caching
Action
no-store (uncacheable)
FIX
no-store (uncacheable)
Info::
Cache-Control: no-store prevents all caching
Intentional for dynamic content, but increases server load for every page view.
Got: no-store, no-cache, must-revalidate
Info::
No ETag or Last-Modified header
Conditional requests (304 Not Modified) are not possible without validators.
Cache-Control

no-store, no-cache, must-revalidate

DirectiveValueMeaning
no-store—Never cache this response
no-cache—Cache but always revalidate first
must-revalidate—Must recheck with server after expiry
B
Third-Party Impact
46% third-party, 0 ms blocking
REVIEW
46% third-party, 0 ms blocking
Info::
Third-party code accounts for 46% of page weight (173.6 KiB of 380.4 KiB)
Info::
Third-party blocking time is low (0 ms)
54%
46%
First-party Third-party
B
Image Optimization
29 images, 0 KB saveable
REVIEW
29 images, 0 KB saveable
Info::
All images are well-optimized
29 images 130 KB
0 oversized -0 KB
29 legacy format
0 missing dimensions CLS risk
B
JS Bundles
7 scripts, 68 KB unused
REVIEW
7 scripts, 68 KB unused
Warning::
https://www.googletagmanager.com/gtag/js?id=G-H0XV...: 68 KB unused (42%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 68 KB
68 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.googletagmanager.com/gtag/js?id=G-H0XVNMGVTV161 KB68 KB (42%)✓3rd
https://notes.io/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js1 KB—✓1st
https://notes.io/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js4 KB—✓1st
https://static.cloudflareinsights.com/beacon.min.js/v8c78df7c7c0f484497ecbca7046644da177152312451611 KB—✓3rd
https://notes.io/theme/scripts/notes.min.js3 KB—✓1st
https://notes.io/theme/scripts/jquery.min.js34 KB—✓1st
https://notes.io/cdn-cgi/challenge-platform/h/b/scripts/jsd/0b8fb825cb67/main.js?13 KB—✓1st

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
380 KB transferred, 46 requests
PASS
380 KB transferred, 46 requests
Info::
Page weighs 791 KB (380 KB transferred)
Info::
46 HTTP requests
Info::
Estimated 0.08 g CO2 per page load
380 KB / 2.4 MB budget
380 KB transferred
46 requests
0.08 g CO2 per page load
JavaScript 226.4 KiB 60%
Images 130.5 KiB 34%
CSS 13.9 KiB 4%
HTML 5.1 KiB 1%
Other 1.8 KiB 0%
Other 1.6 KiB 0%
Other 552 B 0%
Other 543 B 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
46 resources · 380 KB · 68 KB savings available
PASS
46 resources · 380 KB · 68 KB savings available
Info::
Within 1MB page-weight target
Got: 380 KB
Info::
~68 KB of savings available
Warning::
5 third-party resources (46% of weight)
46 resources · 380.4 KiB · 5 third-party Within 1MB page-weight target
JavaScript 60% · 226.4 KiB
Image 35% · 131.5 KiB
CSS 4% · 13.9 KiB
Document 1% · 5.1 KiB
Other 1% · 3.5 KiB

~67.9 KiB of savings available

Remove unused JavaScript: 67.9 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: Cloudflare

Network Waterfall
46 requests over 833ms
INFO
0 ms 500 ms 1.0 s 1.5 s 2.0 s 2.5 s FCP 946 ms LCP 2.7 shttps://notes.io// https://notes.io/ — 200 — 5.1 KiB — 102 ms — h3https://notes.io/cdn-cgi/speculation/cdn-cgi/speculation https://notes.io/cdn-cgi/speculation — 200 — 553 B — 7 ms — h3https://notes.io/theme/styles/notes.min.css/theme/styles/notes.min.css https://notes.io/theme/styles/notes.min.css — 200 — 13.9 KiB — 16 ms — h3https://notes.io/theme/images/whatisnotesio.png/theme/images/whatisnotesio.png https://notes.io/theme/images/whatisnotesio.png — 200 — 2.1 KiB — 38 ms — h3https://notes.io/theme/images/ajax-loader.gif/theme/images/ajax-loader.gif https://notes.io/theme/images/ajax-loader.gif — 200 — 2.3 KiB — 32 ms — h3https://notes.io/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js/cdn-cgi/scripts/5c5dd728/cloudflar... https://notes.io/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js — 200 — 1.1 KiB — 26 ms — h3https://notes.io/theme/images/logo.png/theme/images/logo.png https://notes.io/theme/images/logo.png — 200 — 3.8 KiB — 34 ms — h3https://notes.io/theme/images/fastEasyShort.png/theme/images/fastEasyShort.png https://notes.io/theme/images/fastEasyShort.png — 200 — 1.6 KiB — 35 ms — h3https://notes.io/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js/cdn-cgi/scripts/7d0fa10a/cloudflar... https://notes.io/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js — 200 — 4.4 KiB — 31 ms — h3https://static.cloudflareinsights.com/beacon.min.js/v8c78df7c7c0f484497ecbca7046644da1771523124516static.cloudflareinsights.com/beaco... https://static.cloudflareinsights.com/beacon.min.js/v8c78df7c7c0f484497ecbca7046644da1771523124516 — 200 — 10.7 KiB — 52 ms — h2https://notes.io/theme/images/background.jpg/theme/images/background.jpg https://notes.io/theme/images/background.jpg — 200 — 96.6 KiB — 82 ms — h3https://notes.io/theme/images/barsol.png/theme/images/barsol.png https://notes.io/theme/images/barsol.png — 200 — 805 B — 55 ms — h3https://notes.io/theme/images/barback.png/theme/images/barback.png https://notes.io/theme/images/barback.png — 200 — 690 B — 70 ms — h3https://notes.io/theme/images/short.png/theme/images/short.png https://notes.io/theme/images/short.png — 200 — 2.3 KiB — 69 ms — h3https://notes.io/theme/images/random2.png/theme/images/random2.png https://notes.io/theme/images/random2.png — 200 — 2.5 KiB — 70 ms — h3https://notes.io/theme/images/account.png/theme/images/account.png https://notes.io/theme/images/account.png — 200 — 2.2 KiB — 70 ms — h3https://notes.io/theme/images/myNotes.png/theme/images/myNotes.png https://notes.io/theme/images/myNotes.png — 200 — 2.6 KiB — 68 ms — h3https://notes.io/theme/images/barsag.png/theme/images/barsag.png https://notes.io/theme/images/barsag.png — 200 — 830 B — 68 ms — h3https://notes.io/theme/images/notespageback.png/theme/images/notespageback.png https://notes.io/theme/images/notespageback.png — 200 — 644 B — 69 ms — h3https://notes.io/theme/images/notesline.png/theme/images/notesline.png https://notes.io/theme/images/notesline.png — 200 — 638 B — 67 ms — h3https://notes.io/theme/images/notespagebottom1.png/theme/images/notespagebottom1.png https://notes.io/theme/images/notespagebottom1.png — 200 — 785 B — 68 ms — h3https://notes.io/theme/images/notespagebottom2.png/theme/images/notespagebottom2.png https://notes.io/theme/images/notespagebottom2.png — 200 — 645 B — 68 ms — h3https://notes.io/theme/images/notespagebottom3.png/theme/images/notespagebottom3.png https://notes.io/theme/images/notespagebottom3.png — 200 — 751 B — 68 ms — h3https://notes.io/theme/images/kbback.png/theme/images/kbback.png https://notes.io/theme/images/kbback.png — 200 — 750 B — 72 ms — h3https://www.googletagmanager.com/gtag/js?id=G-H0XVNMGVTVwww.googletagmanager.com/gtag/js?id... https://www.googletagmanager.com/gtag/js?id=G-H0XVNMGVTV — 200 — 161.4 KiB — 36 ms — h2https://notes.io/theme/scripts/notes.min.js/theme/scripts/notes.min.js https://notes.io/theme/scripts/notes.min.js — 200 — 2.5 KiB — 20 ms — h3https://notes.io/theme/scripts/jquery.min.js/theme/scripts/jquery.min.js https://notes.io/theme/scripts/jquery.min.js — 200 — 33.6 KiB — 26 ms — h3https://notes.io/cdn-cgi/challenge-platform/scripts/jsd/main.js/cdn-cgi/challenge-platform/scripts... https://notes.io/cdn-cgi/challenge-platform/scripts/jsd/main.js — 302 — 221 B — 23 ms — h3https://notes.io/favicon.ico/favicon.ico https://notes.io/favicon.ico — 200 — 1019 B — 15 ms — h3https://notes.io/cdn-cgi/challenge-platform/h/b/scripts/jsd/0b8fb825cb67/main.js?/cdn-cgi/challenge-platform/h/b/scr... https://notes.io/cdn-cgi/challenge-platform/h/b/scripts/jsd/0b8fb825cb67/main.js? — 200 — 12.6 KiB — 11 ms — h3
0 ms 500 ms 1.0 s 1.5 s 2.0 s 2.5 s FCP 946 ms LCP 2.7 shttps://notes.io// https://notes.io/ — 200 — 5.1 KiB — 102 ms — h3https://notes.io/cdn-cgi/speculation/cdn-cgi/speculation https://notes.io/cdn-cgi/speculation — 200 — 553 B — 7 ms — h3https://notes.io/theme/styles/notes.min.css/theme/styles/notes.min.css https://notes.io/theme/styles/notes.min.css — 200 — 13.9 KiB — 16 ms — h3https://notes.io/theme/images/whatisnotesio.png/theme/images/whatisnotesio.png https://notes.io/theme/images/whatisnotesio.png — 200 — 2.1 KiB — 38 ms — h3https://notes.io/theme/images/ajax-loader.gif/theme/images/ajax-loader.gif https://notes.io/theme/images/ajax-loader.gif — 200 — 2.3 KiB — 32 ms — h3https://notes.io/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js/cdn-cgi/scripts/5c5dd728/cloudflar... https://notes.io/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js — 200 — 1.1 KiB — 26 ms — h3https://notes.io/theme/images/logo.png/theme/images/logo.png https://notes.io/theme/images/logo.png — 200 — 3.8 KiB — 34 ms — h3https://notes.io/theme/images/fastEasyShort.png/theme/images/fastEasyShort.png https://notes.io/theme/images/fastEasyShort.png — 200 — 1.6 KiB — 35 ms — h3https://notes.io/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js/cdn-cgi/scripts/7d0fa10a/cloudflar... https://notes.io/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js — 200 — 4.4 KiB — 31 ms — h3https://static.cloudflareinsights.com/beacon.min.js/v8c78df7c7c0f484497ecbca7046644da1771523124516static.cloudflareinsights.com/beaco... https://static.cloudflareinsights.com/beacon.min.js/v8c78df7c7c0f484497ecbca7046644da1771523124516 — 200 — 10.7 KiB — 52 ms — h2https://notes.io/theme/images/background.jpg/theme/images/background.jpg https://notes.io/theme/images/background.jpg — 200 — 96.6 KiB — 82 ms — h3https://notes.io/theme/images/barsol.png/theme/images/barsol.png https://notes.io/theme/images/barsol.png — 200 — 805 B — 55 ms — h3https://notes.io/theme/images/barback.png/theme/images/barback.png https://notes.io/theme/images/barback.png — 200 — 690 B — 70 ms — h3https://notes.io/theme/images/short.png/theme/images/short.png https://notes.io/theme/images/short.png — 200 — 2.3 KiB — 69 ms — h3https://notes.io/theme/images/random2.png/theme/images/random2.png https://notes.io/theme/images/random2.png — 200 — 2.5 KiB — 70 ms — h3https://notes.io/theme/images/account.png/theme/images/account.png https://notes.io/theme/images/account.png — 200 — 2.2 KiB — 70 ms — h3https://notes.io/theme/images/myNotes.png/theme/images/myNotes.png https://notes.io/theme/images/myNotes.png — 200 — 2.6 KiB — 68 ms — h3https://notes.io/theme/images/barsag.png/theme/images/barsag.png https://notes.io/theme/images/barsag.png — 200 — 830 B — 68 ms — h3https://notes.io/theme/images/notespageback.png/theme/images/notespageback.png https://notes.io/theme/images/notespageback.png — 200 — 644 B — 69 ms — h3https://notes.io/theme/images/notesline.png/theme/images/notesline.png https://notes.io/theme/images/notesline.png — 200 — 638 B — 67 ms — h3https://notes.io/theme/images/notespagebottom1.png/theme/images/notespagebottom1.png https://notes.io/theme/images/notespagebottom1.png — 200 — 785 B — 68 ms — h3https://notes.io/theme/images/notespagebottom2.png/theme/images/notespagebottom2.png https://notes.io/theme/images/notespagebottom2.png — 200 — 645 B — 68 ms — h3https://notes.io/theme/images/notespagebottom3.png/theme/images/notespagebottom3.png https://notes.io/theme/images/notespagebottom3.png — 200 — 751 B — 68 ms — h3https://notes.io/theme/images/kbback.png/theme/images/kbback.png https://notes.io/theme/images/kbback.png — 200 — 750 B — 72 ms — h3https://www.googletagmanager.com/gtag/js?id=G-H0XVNMGVTVwww.googletagmanager.com/gtag/js?id... https://www.googletagmanager.com/gtag/js?id=G-H0XVNMGVTV — 200 — 161.4 KiB — 36 ms — h2https://notes.io/theme/scripts/notes.min.js/theme/scripts/notes.min.js https://notes.io/theme/scripts/notes.min.js — 200 — 2.5 KiB — 20 ms — h3https://notes.io/theme/scripts/jquery.min.js/theme/scripts/jquery.min.js https://notes.io/theme/scripts/jquery.min.js — 200 — 33.6 KiB — 26 ms — h3https://notes.io/cdn-cgi/challenge-platform/scripts/jsd/main.js/cdn-cgi/challenge-platform/scripts... https://notes.io/cdn-cgi/challenge-platform/scripts/jsd/main.js — 302 — 221 B — 23 ms — h3https://notes.io/favicon.ico/favicon.ico https://notes.io/favicon.ico — 200 — 1019 B — 15 ms — h3https://notes.io/cdn-cgi/challenge-platform/h/b/scripts/jsd/0b8fb825cb67/main.js?/cdn-cgi/challenge-platform/h/b/scr... https://notes.io/cdn-cgi/challenge-platform/h/b/scripts/jsd/0b8fb825cb67/main.js? — 200 — 12.6 KiB — 11 ms — h3https://notes.io/theme/images/messagebox/1.png/theme/images/messagebox/1.png https://notes.io/theme/images/messagebox/1.png — 200 — 762 B — 12 ms — h3https://notes.io/theme/images/messagebox/2.png/theme/images/messagebox/2.png https://notes.io/theme/images/messagebox/2.png — 200 — 637 B — 14 ms — h3https://notes.io/theme/images/messagebox/closeBTN.png/theme/images/messagebox/closeBTN.p... https://notes.io/theme/images/messagebox/closeBTN.png — 200 — 1.2 KiB — 27 ms — h3https://notes.io/theme/images/messagebox/3.png/theme/images/messagebox/3.png https://notes.io/theme/images/messagebox/3.png — 200 — 771 B — 27 ms — h3https://notes.io/theme/images/messagebox/4.png/theme/images/messagebox/4.png https://notes.io/theme/images/messagebox/4.png — 200 — 629 B — 26 ms — h3https://notes.io/theme/images/messagebox/5.png/theme/images/messagebox/5.png https://notes.io/theme/images/messagebox/5.png — 200 — 627 B — 27 ms — h3https://notes.io/theme/images/messagebox/6.png/theme/images/messagebox/6.png https://notes.io/theme/images/messagebox/6.png — 200 — 744 B — 28 ms — h3https://notes.io/theme/images/messagebox/7.png/theme/images/messagebox/7.png https://notes.io/theme/images/messagebox/7.png — 200 — 642 B — 27 ms — h3https://notes.io/theme/images/messagebox/8.png/theme/images/messagebox/8.png https://notes.io/theme/images/messagebox/8.png — 200 — 750 B — 27 ms — h3https://notes.io/theme/images/closeBtn.png/theme/images/closeBtn.png https://notes.io/theme/images/closeBtn.png — 200 — 1.2 KiB — 13 ms — h3https://notes.io/cdn-cgi/challenge-platform/h/b/jsd/oneshot/0b8fb825cb67/0.15003100145269122:1776899610:ocN79iLeoMzLIrbO7RufIK3kxf6HJgAQAGMI3HucTfc/9f088624af150b62/cdn-cgi/challenge-platform/h/b/jsd... https://notes.io/cdn-cgi/challenge-platform/h/b/jsd/oneshot/0b8fb825cb67/0.15003100145269122:1776899610:ocN79iLeoMzLIrbO7RufIK3kxf6HJgAQAGMI3HucTfc/9f088624af150b62 — 200 — 616 B — 16 ms — h3https://notes.io/cdn-cgi/challenge-platform/h/b/jsd/oneshot/0b8fb825cb67/0.15003100145269122:1776899610:ocN79iLeoMzLIrbO7RufIK3kxf6HJgAQAGMI3HucTfc/9f088624af150b62/cdn-cgi/challenge-platform/h/b/jsd... https://notes.io/cdn-cgi/challenge-platform/h/b/jsd/oneshot/0b8fb825cb67/0.15003100145269122:1776899610:ocN79iLeoMzLIrbO7RufIK3kxf6HJgAQAGMI3HucTfc/9f088624af150b62 — 200 — 617 B — 12 ms — h3https://notes.io/cdn-cgi/rum?/cdn-cgi/rum? 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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
34% of JavaScript execution is third-party
First-party Third-party 947ms · 172KB · ₺37/mo
Google Tag Manager
Tag Manager
Costly
Execution 469ms
Transfer 161 KB
Unused 42%
Monthly Cost ₺18/mo
Unattributable
Other
Costly
Execution 396ms
Transfer 0 KB
Monthly Cost ₺16/mo
static.cloudflareinsights.com
Other
Optional
Execution 82ms
Transfer 11 KB
Monthly Cost ₺3/mo

These scripts may cost more than they're worth

  • Google Tag Manager adds 469ms and costs ~₺18/month
  • Unattributable adds 396ms and costs ~₺16/month

Google Tag Manager takes 469ms 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 396ms 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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