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Performance

· 14 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
97
GRADE
A+
FIX
0
REVIEW
3
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.
96
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.

499 ms

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

499 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.

504 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.

499 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 3 REVIEW
B
Third-Party Impact
45% third-party, 0 ms blocking
REVIEW
45% third-party, 0 ms blocking
Info::
Third-party code accounts for 45% of page weight (14.0 KiB of 30.8 KiB)
Info::
Third-party blocking time is low (0 ms)
55%
45%
First-party Third-party
C
Green Hosting
Action
Whether the site is served from green-energy infrastructure
REVIEW

Green Hosting

No green hosting detected

B
HTTP Caching
max-age=0, no-cache
REVIEW
max-age=0, no-cache
Info::
Cache-Control header is set
Got: max-age=0, no-cache
Info::
No ETag or Last-Modified header
Conditional requests (304 Not Modified) are not possible without validators.
Cache-Control

max-age=0, no-cache

DirectiveValueMeaning
max-age0Cache for 0 seconds
no-cache—Cache but always revalidate first
A+
Page Weight Budget
31 KB transferred, 8 requests
PASS
31 KB transferred, 8 requests
Info::
Page weighs 63 KB (31 KB transferred)
Info::
8 HTTP requests
Info::
Estimated 0.01 g CO2 per page load
31 KB / 2.4 MB budget
31 KB transferred
8 requests
0.01 g CO2 per page load
HTML 11.2 KiB 36%
Images 6.2 KiB 20%
CSS 5.6 KiB 18%
JavaScript 4.7 KiB 15%
Other 2.3 KiB 7%
Other 843 B 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
3 images, 0 KB saveable
PASS
3 images, 0 KB saveable
Info::
All images are well-optimized
3 images 6 KB
0 oversized -0 KB
2 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

Style & Layout 45% Other 34% Rendering 8% Script Evaluation 8% Parse HTML & CSS 4%
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, 0 KB unused
PASS
1 scripts, 0 KB unused
0 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://servedby.aqua-adserver.com/asyncjs.php5 KB—✓3rd
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
8 resources · 31 KB · 0 KB savings available
PASS
8 resources · 31 KB · 0 KB savings available
Info::
Within 1MB page-weight target
Got: 31 KB
Warning::
6 third-party resources (45% of weight)
8 resources · 30.8 KiB · 6 third-party Within 1MB page-weight target
Document 36% · 11.2 KiB
Image 27% · 8.4 KiB
CSS 18% · 5.6 KiB
JavaScript 15% · 4.7 KiB
Other 3% · 843 B
Network Waterfall
8 requests over 705ms
INFO
0 ms 200 ms 400 ms 600 ms FCP 499 ms LCP 499 mshttps://lwn.net// https://lwn.net/ — 200 — 11.2 KiB — 373 ms — http/1.1https://lwn.net/CSS/lwn/CSS/lwn https://lwn.net/CSS/lwn — 200 — 5.6 KiB — 102 ms — http/1.1https://static.lwn.net/images/logo/barepenguin-70.webpstatic.lwn.net/images/logo/barepeng... https://static.lwn.net/images/logo/barepenguin-70.webp — 200 — 2.3 KiB — 293 ms — http/1.1https://static.lwn.net/images/lcorner-ss.pngstatic.lwn.net/images/lcorner-ss.pn... https://static.lwn.net/images/lcorner-ss.png — 200 — 3.4 KiB — 302 ms — http/1.1https://servedby.aqua-adserver.com/asyncjs.phpservedby.aqua-adserver.com/asyncjs.... https://servedby.aqua-adserver.com/asyncjs.php — 200 — 4.7 KiB — 210 ms — h2https://servedby.aqua-adserver.com/asyncspc.php?zones=12085&prefix=revive-0-&loc=https%3A%2F%2Flwn.net%2Fservedby.aqua-adserver.com/asyncspc... https://servedby.aqua-adserver.com/asyncspc.php?zones=12085&prefix=revive-0-&loc=https%3A%2F%2Flwn.net%2F — 200 — 843 B — 38 ms — h2https://static.lwn.net/images/favicon.pngstatic.lwn.net/images/favicon.png https://static.lwn.net/images/favicon.png — 200 — 2.3 KiB — 101 ms — http/1.1https://servedby.aqua-adserver.com/lg.php?bannerid=0&campaignid=0&zoneid=12085&loc=https%3A%2F%2Flwn.net%2F&cb=10d818b5ddservedby.aqua-adserver.com/lg.php?b... https://servedby.aqua-adserver.com/lg.php?bannerid=0&campaignid=0&zoneid=12085&loc=https%3A%2F%2Flwn.net%2F&cb=10d818b5dd — 200 — 454 B — 37 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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