speedlify2

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

Charts Compare Measurement runs Embed a score

jak2k.eu

https://jak2k.eu/

100 86 100 92 !AXE CWV

Ranks Overall #869 Built Awesome #681

Data from Sep 8, 2026, 2:54 PM UTC old Measured once a week · 12 runs since Aug 20, 2026

Elsewhere: PageSpeed Insights · Calibre · Treo · CrUX Vis · Scoring Calculator · Wayback Machine

Lighthouse Scores

100
Performance
no change
86
Accessibility
↓ -14 (-14%)
100
Best Practices
no change
92
SEO
no change

Metrics Lighthouse, mobile

No field data: the Chrome UX Report is not being collected for this project, so every figure below is from the Lighthouse run.

Metric Lab Lighthouse
Value Change / range Trend
LCP CWV (estimate) Largest Contentful Paint 918 ms good ↓ -197 ms (-17.7%) 918 ms – 1.11 s
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a
CLS CWV (estimate) Cumulative Layout Shift 0 good ↓ -0.014 (-100%) 0 – 0.014
TBT Total Blocking Time 0 ms good ↓ -63 ms (-100%) 0 ms – 63 ms
FCP First Contentful Paint 918 ms good ↓ -84 ms (-8.4%) 918 ms – 1.00 s
Speed Index 2.23 s good ↓ -417 ms (-15.7%) 2.23 s – 2.65 s
TTFB Time to First Byte 759 ms good ↓ -600 ms (-44.2%) 759 ms – 1.36 s

LCP Subparts lab observed, unthrottled

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

element render delay 1.17 s
time to first byte 161 ms

Page weight

Metric Value Change / range Trend
Page Weight 13.3 kB ↓ -31.8 kB (-71%) 13.3 kB – 45.8 kB
Requests 6 ↓ -17 (-73.9%) 6 – 23
Third-party Weight 0 B → no change 0 B – 0 B
Third-party CPU 0 ms → no change 0 ms – 0 ms
Unused JS 0 B → no change 0 B – 0 B
Unused CSS 0 B → no change 0 B – 0 B

By resource type

  • image 62.2% 6.2 kB · 1 req
  • document 27.9% 2.8 kB · 1 req
  • stylesheet 6.3% 634 B · 1 req
  • script 3.5% 355 B · 1 req

Page health

Metric Value Change / range Trend
Main Thread Work 155 ms ↓ -325 ms (-67.8%) 155 ms – 480 ms
Long Tasks 0 ↓ -2 (-100%) 0 – 2
DOM Elements 31 ↓ -241 (-88.6%) 31 – 272
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 2 → no change 2 – 2
A11y Failures 2 ↑ +2 0 – 2
A11y Failing Nodes 2 ↑ +2 0 – 2

Main thread work

other 93 ms
script evaluation 34 ms
style layout 19 ms
paint composite render 5 ms
parse HTML 3 ms
script parse compile 1 ms

Axe violations axe-core 4.13.0, full rule set

2 violating nodes across 2 rules, 85 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • serious frame-title — Frames must have an accessible name 1 node
  • serious html-has-lang — <html> element must have a lang attribute 1 node

Accessibility failures 2 of 14 audits

  • frame-title — `<frame>` or `<iframe>` elements do not have a title 1 node
  • html-has-lang — `<html>` element does not have a `[lang]` attribute 1 node

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 Archive
Sep 8, 2026, 2:54 PM UTC 100 918 ms 0 0 ms 13.3 kB 3/3 ±7 2,432 -2% 30.6s Wayback
Sep 1, 2026, 1:12 PM UTC 100 1.11 s 0.014 63 ms 45.8 kB 3/3 ±0 2,489 0% 28.9s Wayback
Aug 31, 2026, 10:50 AM UTC TRACING_ALREADY_STARTED: An internal Chrome error occurred. Please restart Chrome and try re-running Lighthouse. 23.3s
Aug 26, 2026, 12:54 PM UTC lighthouse timed out after 120000ms 279s
Aug 25, 2026, 9:38 AM UTC lighthouse timed out after 120000ms 281s
Aug 24, 2026, 5:41 AM UTC CHROME_INTERSTITIAL_ERROR: Chrome prevented page load with an interstitial. Make sure you are testing the correct URL and that the server is properly responding to all requests. 20.4s
Aug 23, 2026, 5:33 AM UTC CHROME_INTERSTITIAL_ERROR: Chrome prevented page load with an interstitial. Make sure you are testing the correct URL and that the server is properly responding to all requests. 21.2s
Aug 22, 2026, 12:40 PM UTC CHROME_INTERSTITIAL_ERROR: Chrome prevented page load with an interstitial. Make sure you are testing the correct URL and that the server is properly responding to all requests. 19.7s
Aug 22, 2026, 3:45 AM UTC CHROME_INTERSTITIAL_ERROR: Chrome prevented page load with an interstitial. Make sure you are testing the correct URL and that the server is properly responding to all requests. 21s
Aug 21, 2026, 9:29 PM UTC CHROME_INTERSTITIAL_ERROR: Chrome prevented page load with an interstitial. Make sure you are testing the correct URL and that the server is properly responding to all requests. 20.4s
Aug 21, 2026, 2:42 PM UTC CHROME_INTERSTITIAL_ERROR: Chrome prevented page load with an interstitial. Make sure you are testing the correct URL and that the server is properly responding to all requests. 20.7s
Aug 20, 2026, 11:31 PM UTC CHROME_INTERSTITIAL_ERROR: Chrome prevented page load with an interstitial. Make sure you are testing the correct URL and that the server is properly responding to all requests. 20.8s

Embed this score

Use this web component to show jak2k.eu'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://jak2k.eu/"></speedlify2-score>