speedlify2

Lighthouse lab metrics, Axe, and Chrome UX Report field data for a list of sites recorded and compared over time.

Charts Measurement runs Embed a score

quentin.delcourt.be

https://quentin.delcourt.be/

100 100 100 100 ✓AXE –CWV

Ranks Overall #109 Built Awesome #94

Data from Sep 5, 2026, 10:51 PM UTC old Measured once a week · 3 runs since Aug 21, 2026

Test elsewhere: PageSpeed Insights · Calibre · Treo · CrUX Vis

Stack

Self-hosted · nginx Hosted by Self-hosted

Lighthouse Scores

100
Performance
no change
100
Accessibility
no change
100
Best Practices
no change
100
SEO
no change

Filmstrip Lighthouse, mobile

How the page drew during the measured load, at 8 points across 3.00 s.

  1. 375 ms
  2. 750 ms
  3. 1.13 s
  4. 1.50 s
  5. 1.88 s
  6. 2.25 s
  7. 2.63 s
  8. 3.00 s

Without JavaScript

The same load, photographed twice at 412×823: once with scripts disabled, once as rendered.

Scripts disabled
As rendered

0% of pixels differ — they are identical. A shifted layout counts as difference, so a <noscript> banner alone can account for a large figure.

Lab metrics Lighthouse, mobile

Metric Current Previous Change Best Worst Trend
LCP Largest Contentful Paint 1.42 s 1.42 s ↑ +1 ms (+0.1%) 1.40 s 1.42 s
CLS Cumulative Layout Shift 0 0 → no change 0 0
TBT Total Blocking Time 0 ms 0 ms → no change 0 ms 0 ms
FCP First Contentful Paint 992 ms 995 ms ↓ -3 ms (-0.3%) 977 ms 995 ms
Speed Index 2.26 s 2.29 s ↓ -24 ms (-1.1%) 2.26 s 2.29 s
TTFB Time to First Byte 819 ms 818 ms ↑ +1 ms (+0.1%) 796 ms 819 ms

LCP Subparts lab observed, unthrottled

The subparts attribute LCP to your server, resource discovery, download, or rendering. Note that the Lab metrics LCP metric shown above is throttled.

element render delay 1.17 s
time to first byte 148 ms

Page weight

Metric Current Previous Change Best Worst Trend
Page Weight 122 kB 122 kB → no change 122 kB 122 kB
Requests 10 10 → no change 10 10
Third-party Weight 0 B 0 B → no change 0 B 0 B
Third-party CPU 0 ms 0 ms → no change 0 ms 0 ms
Unused JS 0 B 0 B → no change 0 B 0 B
Unused CSS 0 B 0 B → no change 0 B 0 B

By resource type

  • image 46.4% 56.5 kB · 3 req
  • font 43.8% 53.4 kB · 3 req
  • stylesheet 6.2% 7.5 kB · 1 req
  • other 2.1% 2.5 kB · 2 req
  • document 1.5% 1.9 kB · 1 req

Page health

Metric Current Previous Change Best Worst Trend
Main Thread Work 110 ms 140 ms ↓ -30 ms (-21.5%) 110 ms 152 ms
Long Tasks 0 0 → no change 0 0
DOM Elements 69 69 → no change 69 69
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 0 0 → no change 0 0
A11y Failures 0 0 → no change 0 0
A11y Failing Nodes 0 0 → no change 0 0

Main thread work

other 68 ms
style layout 25 ms
script evaluation 8 ms
paint composite render 4 ms
parse HTML 4 ms
script parse compile 0 ms

Axe violations axe-core 4.13.0, full rule set

0 violating nodes across 0 rules, 154 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h2

Measurement log

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook
Sep 5, 2026, 10:51 PM UTC 100 1.42 s 0 0 ms 122 kB 3/3 ±0 2,897 +17% 24.6s
Aug 29, 2026, 10:34 PM UTC 100 1.42 s 0 0 ms 122 kB 3/3 ±0 2,468 0% 24.6s
Aug 21, 2026, 6:45 AM UTC 100 1.40 s 0 0 ms 122 kB 3/3 ±1 2,669 +8% 24.5s

Embed this score

Use this web component to show quentin.delcourt.be's scores on any website, updated whenever this instance re-measures. Don’t forget to bundle the speedlify2-score.js component code into your site! 

<speedlify2-score speedlify-url="https://www.speedlify.dev/" url="https://quentin.delcourt.be/"></speedlify2-score>