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https://petitiononline.com

Performance

· 14 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
95
GRADE
A
FIX
2
REVIEW
1
PASS
10
INFO
1

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

Mobile Desktop
100
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
85
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.
82
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.

471 ms

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

471 ms

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.

471 ms

Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.

471 ms

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
14
10 PASS 1 REVIEW 2 FIX
D
Third-Party Impact
Action
90% third-party, 0 ms blocking
FIX
90% third-party, 0 ms blocking
Warning::
Third-party code accounts for 90% of page weight (61.5 KiB of 68.5 KiB)
Info::
Third-party blocking time is low (0 ms)
90%
First-party Third-party
D
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.
Info::
ETag present — enables conditional (304) responses
Info::
Last-Modified header present

No Cache-Control header

Adding a Cache-Control header can significantly improve repeat-visit performance.

C
Green Hosting
Action
Whether the site is served from green-energy infrastructure
REVIEW

Green Hosting

No green hosting detected

A+
Page Weight Budget
69 KB transferred, 5 requests
PASS
69 KB transferred, 5 requests
Info::
Page weighs 238 KB (69 KB transferred)
Info::
5 HTTP requests
Info::
Estimated 0.01 g CO2 per page load
69 KB / 2.4 MB budget
69 KB transferred
5 requests
0.01 g CO2 per page load
JavaScript 42.6 KiB 62%
CSS 18.9 KiB 28%
Other 4.8 KiB 7%
HTML 2.2 KiB 3%
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+
Image Optimization
No images on this page
PASS
No images on this page
Info::
No images on this page
0 images 0 KB
0 oversized -0 KB
0 legacy format
0 missing dimensions CLS risk
A+
JS Execution Cost
No JS execution data
PASS
No JS execution data
Info::
No significant JS execution detected

Main Thread Breakdown

Other 39% Script Evaluation 30% Style & Layout 18% Parse HTML & CSS 7% Script Parsing & Compilation 6%
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
2 scripts, 21 KB unused
PASS
2 scripts, 21 KB unused
Warning::
https://ajax.googleapis.com/ajax/libs/jquery/1.11....: 21 KB unused (65%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 21 KB
21 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js33 KB21 KB (65%)✓3rd
https://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js9 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

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
5 resources · 69 KB · 21 KB savings available
PASS
5 resources · 69 KB · 21 KB savings available
Info::
Within 1MB page-weight target
Got: 69 KB
Warning::
3 third-party resources (90% of weight)
5 resources · 68.5 KiB · 3 third-party Within 1MB page-weight target
JavaScript 62% · 42.6 KiB
CSS 28% · 18.9 KiB
Image 7% · 4.8 KiB
Document 3% · 2.2 KiB

~21.3 KiB of savings available

Remove unused JavaScript: 21.3 KiB
Network Waterfall
5 requests over 221ms
INFO
0 ms 200 ms 400 ms FCP 471 ms LCP 471 mshttps://petitiononline.com// https://petitiononline.com/ — 200 — 2.2 KiB — 56 ms — h2https://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.cssmaxcdn.bootstrapcdn.com/bootstrap/3... https://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css — 200 — 18.9 KiB — 65 ms — h3https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.jsajax.googleapis.com/ajax/libs/jquer... https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js — 200 — 33.3 KiB — 113 ms — h2https://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.jsmaxcdn.bootstrapcdn.com/bootstrap/3... https://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js — 200 — 9.3 KiB — 49 ms — h3https://petitiononline.com/favicon.ico/favicon.ico https://petitiononline.com/favicon.ico — 200 — 4.8 KiB — 19 ms — h2
HTML JavaScript CSS Images Fonts XHR/Fetch Other
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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