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 ·

juanfernandes.uk

https://www.juanfernandes.uk/

100 100 96 92 –CWV 5AXE

Data from Aug 21, 2026, 10:46 AM UTC — 8h old.

Built Awesome · 1 measurement · since Aug 21, 2026 · last attempt 8h

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 Built with Eleventy
Li Hosted by Self-hosted

Scores

100
Performance
no change
100
Accessibility
no change
96
Best Practices
no change
92
SEO
no change

Lab metrics Lighthouse, mobile

Metric Current Previous Change Best Worst Trend
LCP Largest Contentful Paint 1.09 s — — 1.09 s 1.09 s
CLS Cumulative Layout Shift 0 — — 0 0
TBT Total Blocking Time 0 ms — — 0 ms 0 ms
FCP First Contentful Paint 1.09 s — — 1.09 s 1.09 s
Speed Index 2.09 s — — 2.09 s 2.09 s
TTFB Time to First Byte 976 ms — — 976 ms 976 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 976 ms
element render delay 196 ms

Page weight

Metric Current Previous Change Best Worst Trend
Page Weight 157.4 kB — — 157.4 kB 157.4 kB
Requests 15 — — 15 15
Third-party Weight 26.2 kB — — 26.2 kB 26.2 kB
Third-party CPU 0 ms — — 0 ms 0 ms
Unused JS 0 B — — 0 B 0 B
Unused CSS 11.1 kB — — 11.1 kB 11.1 kB

By resource type

other 95.5 kB · 4 req
image 26.2 kB · 5 req
document 15.4 kB · 1 req
stylesheet 14.9 kB · 2 req
script 2.9 kB · 2 req
third party 26.2 kB · 5 req

Third parties 1 entities

26.2 kB transferred, 0 ms of main thread time. This is the number most likely to regress without anyone on your team shipping anything.

Cloudinary 26.2 kB · 0 ms CPU

Page health

Metric Current Previous Change Best Worst Trend
Main Thread Work 331 ms — — 331 ms 331 ms
Long Tasks 0 — — 0 0
DOM Elements 332 — — 332 332
Axe Violations Violating nodes from a full axe run — stricter than Lighthouse's subset 5 — — 5 5
A11y Failures 0 — — 0 0
A11y Failing Nodes 0 — — 0 0

Main thread work

other 205 ms
style layout 86 ms
script evaluation 13 ms
parse HTML 13 ms
paint composite render 12 ms
script parse compile 1 ms

Axe violations axe-core 4.13.0, full rule set

5 violating nodes across 2 rules, 325 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.

  • minor image-redundant-alt — Alternative text of images should not be repeated as text 4 nodes
  • moderate region — All page content should be contained by landmarks 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 1 console error

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 21, 2026, 10:46 AM UTC 100 1.09 s 0 0 ms 157.4 kB 3/3 ±1 2,998 25.4s

Embed this score

Live below, then the markup that produces it. Drop that on any page to show juanfernandes.uk'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://www.juanfernandes.uk/"></speedlify-score>