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 ·

a-cuca.github.io

https://a-cuca.github.io/

98 100 100 91 CWV 0AXE

Data from Aug 20, 2026, 3:38 PM UTC — 27h old.

Built Awesome · 1 measurement · since Aug 20, 2026 · last attempt 27h

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.

GitHub Pages Hosted by GitHub Pages

Scores

98
Performance
no change
100
Accessibility
no change
100
Best Practices
no change
91
SEO
no change

Lab metrics Lighthouse, mobile

Metric Current Previous Change Best Worst Trend
LCP Largest Contentful Paint 2.33 s 2.33 s 2.33 s
CLS Cumulative Layout Shift 0.009 0.009 0.009
TBT Total Blocking Time 0 ms 0 ms 0 ms
FCP First Contentful Paint 818 ms 818 ms 818 ms
Speed Index 818 ms 818 ms 818 ms
TTFB Time to First Byte 609 ms 609 ms 609 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.

element render delay 115 ms
time to first byte 11 ms

Page weight

Metric Current Previous Change Best Worst Trend
Page Weight 302.7 kB 302.7 kB 302.7 kB
Requests 22 22 22
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 245.9 kB · 1 req
image 38.6 kB · 11 req
other 7.8 kB · 4 req
stylesheet 5.7 kB · 3 req
document 4.8 kB · 1 req
third party 302.7 kB · 20 req

Page health

Metric Current Previous Change Best Worst Trend
Main Thread Work 416 ms 416 ms 416 ms
Long Tasks 0 0 0
DOM Elements 170 170 170
Axe Violations Violating nodes from a full axe run — stricter than Lighthouse's subset 0 0 0
A11y Failures 0 0 0
A11y Failing Nodes 0 0 0

Main thread work

other 224 ms
style layout 122 ms
paint composite render 38 ms
script evaluation 16 ms
parse HTML 14 ms
script parse compile 2 ms

Axe violations axe-core 4.13.0, full rule set

0 violating nodes across 0 rules, 380 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.

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, 3:38 PM UTC 98 2.33 s 0.009 0 ms 302.7 kB 3/3 ±0 2,313 21.6s

Embed this score

Live below, then the markup that produces it. Drop that on any page to show a-cuca.github.io'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://a-cuca.github.io/"></speedlify-score>