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Performance

· 26 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
94
GRADE
A
FIX
0
REVIEW
5
PASS
18
INFO
3

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.

2.94 s

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

2.94 s

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

0 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.

2.94 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.

2.94 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
26
18 PASS 5 REVIEW
C
JS Execution Cost
Action
1008ms total JS execution
REVIEW
1008ms total JS execution
Warning::
https://www.creatorstoolshub.site/?m=1: 640ms CPU time
Warning::
Unattributable: 367ms CPU time

Main Thread Breakdown

Other 39% Parse HTML & CSS 19% Script Parsing & Compilation 16% Style & Layout 15% Script Evaluation 9%
ScriptTotalScriptingParse/CompileParty
https://www.creatorstoolshub.site/?m=1640ms64ms146ms1st
Unattributable367ms9ms0ms1st
B
HTTP/3 (QUIC)
HTTP/3 not advertised
REVIEW
HTTP/3 not advertised
Info::
HTTP/3 (QUIC) is not advertised
HTTP/3 isn't advertised via Alt-Svc and the worker didn't negotiate h3. HTTP/3 reduces handshake latency (1-RTT instead of 2-3 RTTs) and is more resilient on lossy connections. Most modern CDNs (Cloudflare, Fastly, AWS CloudFront, Google Cloud CDN) support HTTP/3 with a single config switch -- consider enabling for mobile-heavy workloads.
B
Document Compression
Document response uses gzip; brotli would be ~20% smaller
REVIEW
Document response uses gzip; brotli would be ~20% smaller
Info::
Main HTML response uses gzip (brotli would be ~20% smaller)
All current browsers support brotli. Most CDNs (Cloudflare, Fastly, AWS CloudFront, Vercel, Netlify) can switch from gzip to brotli with a single config flag. Origin servers (nginx, Apache) need a brotli module compiled in -- nginx-brotli or Apache mod_brotli.
B
Server-Timing Observability
No Server-Timing header found
REVIEW
No Server-Timing header found
Info::
No Server-Timing header found
Server-Timing exposes backend timing breakdowns to browser DevTools (e.g., `db: 45ms; render: 120ms; cache: 2ms`). Useful for diagnosing slow pages without backend log access. Most modern frameworks (Next.js, Cloudflare Workers, Fastly) emit it automatically; absence on a managed platform usually means telemetry headers are stripped at the edge.
B
HTTP Caching
private, max-age=0
REVIEW
private, max-age=0
Info::
Cache-Control header is set
Got: private, max-age=0
Info::
ETag present — enables conditional (304) responses
Info::
Last-Modified header present
Cache-Control

private, max-age=0

DirectiveValueMeaning
private—Only browser cache, not CDN/proxy
max-age0Cache for 0 seconds
A+
Page Weight Budget
252 KB transferred, 10 requests
PASS
252 KB transferred, 10 requests
Info::
Page weighs 780 KB (252 KB transferred)
Info::
10 HTTP requests
Info::
Estimated 0.05 g CO2 per page load
252 KB / 2.4 MB budget
252 KB transferred
10 requests
0.05 g CO2 per page load
HTML 192.6 KiB 76%
JavaScript 52.8 KiB 21%
Other 6.5 KiB 3%
Other 119 B 0%
Images 0 B 0%
0 2.4 MB 4.9 MB
Under budget
A
Third-Party Impact
21% third-party, 0 ms blocking
PASS
21% third-party, 0 ms blocking
Info::
Third-party code accounts for 21% of page weight (52.8 KiB of 252.0 KiB)
Info::
Third-party blocking time is low (0 ms)
79%
21%
First-party Third-party
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+
Image Optimization
1 images, 0 KB saveable
PASS
1 images, 0 KB saveable
Info::
All images are well-optimized
1 images 0 KB
0 oversized -0 KB
0 legacy format
0 missing dimensions CLS risk
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+
JS Bundles
1 scripts, 40 KB unused
PASS
1 scripts, 40 KB unused
Warning::
https://www.blogger.com/static/v1/widgets/39617324...: 40 KB unused (76%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 40 KB
40 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.blogger.com/static/v1/widgets/3961732468-widgets.js53 KB40 KB (76%)✓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

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+
LCP Image Preload
LCP preload audit not available
PASS
LCP preload audit not available
Info::
LCP image preload audit not available for this scan
A+
Main HTML Cache-Control
Main HTML max-age=0 (≤ 5min) is appropriate
PASS
Main HTML max-age=0 (≤ 5min) is appropriate
Info::
Main HTML max-age=0 (≤ 5min) is appropriate
Got: private, max-age=0
A
Server Response Intelligence
2 server-response signal(s) detected
PASS
2 server-response signal(s) detected
Warning::
Compressed response missing `Vary` header
The page is served with `Content-Encoding: gzip` but has no `Vary` header. Without `Vary: Accept-Encoding`, intermediary caches (corporate proxies, ISP caches) may serve the compressed variant to clients that didn't send the matching `Accept-Encoding` -- the client sees garbled bytes. Add `Vary: Accept-Encoding` whenever the response is conditionally compressed.
Info::
Both `ETag` and `Last-Modified` present -- efficient revalidation supported
The page returns both `ETag` (content hash) and `Last-Modified` (timestamp) headers. Browsers can issue conditional GETs with `If-None-Match` or `If-Modified-Since`; the server returns 304 Not Modified for unchanged content, saving bandwidth. ETag is the more reliable of the two (timestamps fail in DST transitions and clock skew).
A+
Page Weight Inventory
10 resources · 252 KB · 40 KB savings available
PASS
10 resources · 252 KB · 40 KB savings available
Info::
Within 1MB page-weight target
Got: 252 KB
Info::
2 third-party resources (21% of weight)
10 resources · 252.0 KiB · 2 third-party Within 1MB page-weight target
Document 77% · 193.3 KiB
JavaScript 21% · 52.8 KiB
Image 2% · 6.0 KiB

~39.8 KiB of savings available

Remove unused JavaScript: 39.8 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+
JavaScript Blocking
No render-blocking JS or document.write usage detected
PASS
No render-blocking JS or document.write usage detected
Info::
No JavaScript blocking issues detected
A+
CSS Performance Depth
No CSS performance depth issues detected
PASS
No CSS performance depth issues detected
Info::
No CSS performance depth issues 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: Google Cloud

Asset Compression
No text asset hosts to measure
INFO
No text asset hosts to measure
Info::
No third-party or subdomain host served enough text assets to measure
Asset compression is measured per host, from one HEAD request against a sampled resource. Pages that serve all their JS and CSS from the document's own origin are covered by the document compression check instead.
Network Waterfall
10 requests over 577ms
INFO
0 ms 1.0 s 2.0 s 3.0 s FCP 2.9 s LCP 2.9 shttps://www.creatorstoolshub.site// https://www.creatorstoolshub.site/ — 302 — 252 B — 27 ms — h2https://www.creatorstoolshub.site/?m=1/?m=1 https://www.creatorstoolshub.site/?m=1 — 200 — 192.6 KiB — 231 ms — h2https://www.creatorstoolshub.site/p/tiktok-free-tools-en.html/p/tiktok-free-tools-en.html https://www.creatorstoolshub.site/p/tiktok-free-tools-en.html — 302 — 119 B — 62 ms — h2https://www.creatorstoolshub.site/p/tiktok-free-tools-zh.html/p/tiktok-free-tools-zh.html https://www.creatorstoolshub.site/p/tiktok-free-tools-zh.html — 302 — 96 B — 63 ms — h2data:image/jpeg;base64,/9j/4AAQSkZJRgABAQAAAQABAAD/2wBDAAYEBAUEBAYFBQUGBgYHCQ4JCQgICRINDQoOFRIWFhUS…data:image/jpeg;base64,/9j/4AAQSkZJ... data:image/jpeg;base64,/9j/4AAQSkZJRgABAQAAAQABAAD/2wBDAAYEBAUEBAYFBQUGBgYHCQ4JCQgICRINDQoOFRIWFhUS… — 200 — 0 B — 1 ms — datahttps://www.blogger.com/static/v1/widgets/3961732468-widgets.jswww.blogger.com/static/v1/widgets/3... https://www.blogger.com/static/v1/widgets/3961732468-widgets.js — 200 — 52.8 KiB — 24 ms — h2https://www.creatorstoolshub.site/p/tiktok-free-tools-en.html?m=1/p/tiktok-free-tools-en.html?m=1 https://www.creatorstoolshub.site/p/tiktok-free-tools-en.html?m=1 — 200 — 44 B — 64 ms — h2https://www.creatorstoolshub.site/p/tiktok-free-tools-zh.html?m=1/p/tiktok-free-tools-zh.html?m=1 https://www.creatorstoolshub.site/p/tiktok-free-tools-zh.html?m=1 — 200 — 75 B — 63 ms — h2https://www.creatorstoolshub.site/favicon.ico/favicon.ico https://www.creatorstoolshub.site/favicon.ico — 302 — 88 B — 22 ms — h2https://www.creatorstoolshub.site/favicon.ico?m=1/favicon.ico?m=1 https://www.creatorstoolshub.site/favicon.ico?m=1 — 200 — 6.0 KiB — 43 ms — h2
HTML JavaScript CSS Images Fonts XHR/Fetch Other
Image Optimization
2 images, 0 KB total, 0 KB wasted
INFO

Image Optimization Audit

Total Images

2

Total Size

0 KB

Oversized

1

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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