speedlify2

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

Measurement runs · Embed a score · Field data from the Chrome UX Report ·

csenf.de

https://csenf.de/

100 97 100 82 –CWV 2AXE

Data from Aug 20, 2026, 7:36 PM UTC — 23h old.

Built Awesome · 1 measurement · since Aug 20, 2026 · last attempt 23h

Stack

Detected on the same page load as the accessibility pass — the generator from <meta name="generator"> or the shape of the page, the host from response headers.

Eleventy 3.1.1 Built with Eleventy 3.1.1
Self-hosted · Apache Hosted by Self-hosted

Scores

100
Performance
no change
97
Accessibility
no change
100
Best Practices
no change
82
SEO
no change

Lab metrics Lighthouse, mobile

Metric Current Previous Change Best Worst Trend
LCP Largest Contentful Paint 1.26 s — — 1.26 s 1.26 s
CLS Cumulative Layout Shift 0.008 — — 0.008 0.008
TBT Total Blocking Time 0 ms — — 0 ms 0 ms
FCP First Contentful Paint 1.26 s — — 1.26 s 1.26 s
Speed Index 1.78 s — — 1.78 s 1.78 s
TTFB Time to First Byte 660 ms — — 660 ms 660 ms

What LCP is made of

A flat LCP number tells you something regressed. The subparts tell you whether it was the server, resource discovery, the download, or rendering.

time to first byte 486 ms
element render delay 410 ms

Page weight

Metric Current Previous Change Best Worst Trend
Page Weight 290.9 kB — — 290.9 kB 290.9 kB
Requests 6 — — 6 6
Third-party Weight 0 B — — 0 B 0 B
Third-party CPU 0 ms — — 0 ms 0 ms
Unused JS 0 B — — 0 B 0 B
Unused CSS 0 B — — 0 B 0 B

By resource type

font 173.1 kB · 3 req
stylesheet 87.8 kB · 1 req
document 7.3 kB · 1 req

Page health

Metric Current Previous Change Best Worst Trend
Main Thread Work 277 ms — — 277 ms 277 ms
Long Tasks 1 — — 1 1
DOM Elements 313 — — 313 313
Axe Violations Violating nodes from a full axe run — stricter than Lighthouse's subset 2 — — 2 2
A11y Failures 1 — — 1 1
A11y Failing Nodes 1 — — 1 1

Main thread work

style layout 135 ms
other 88 ms
paint composite render 32 ms
parse HTML 13 ms
script evaluation 9 ms
script parse compile 1 ms

Axe violations axe-core 4.13.0, full rule set

2 violating nodes across 2 rules, 714 passing. This is a standalone axe run, stricter than the subset Lighthouse folds into its score above — and it is the second tiebreaker in the ranking.

  • moderate heading-order — Heading levels should only increase by one 1 node
  • moderate region — All page content should be contained by landmarks 1 node

Accessibility failures 1 of 13 audits

Tracked as a count, not just the score — the weighted score is coarse enough that you can ship a broken component and barely move it.

  • heading-order — Heading elements are not in a sequentially-descending order 1 node

Hygiene

Changes rarely — which is exactly why a change is worth noticing.

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h2

Measurement log

Every stored run for this URL, newest first. Failures are kept as records — "this site was down on Tuesday" is data too.

When PerfLCPCLSTBTWeight RunsSpreadBenchTook
Aug 20, 2026, 7:36 PM UTC 100 1.26 s 0.008 0 ms 290.9 kB 3/3 ±5 2,344 27.9s

Embed this score

Live below, then the markup that produces it. Drop that on any page to show csenf.de's scores, updated whenever this instance re-measures — more about the component. Don’t forget to bundle the speedlify-score.js component code into your site! 

<speedlify-score speedlify-url="https://zachleat.github.io/speedlify2/" url="https://csenf.de/"></speedlify-score>