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 ·

contrast-11ties.netlify.app

https://contrast-11ties.netlify.app/

89 100 100 90 CWV 0AXE

Data from Aug 20, 2026, 8:33 PM UTC — 22h old.

Built Awesome · 1 measurement · since Aug 20, 2026 · last attempt 22h

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.

Netlify Hosted by Netlify

Scores

89
Performance
no change
100
Accessibility
no change
100
Best Practices
no change
90
SEO
no change

Lab metrics Lighthouse, mobile

Metric Current Previous Change Best Worst Trend
LCP Largest Contentful Paint 2.48 s 2.48 s 2.48 s
CLS Cumulative Layout Shift 0.138 0.138 0.138
TBT Total Blocking Time 0 ms 0 ms 0 ms
FCP First Contentful Paint 2.48 s 2.48 s 2.48 s
Speed Index 2.48 s 2.48 s 2.48 s
TTFB Time to First Byte 656 ms 656 ms 656 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 99 ms
time to first byte 59 ms

Page weight

Metric Current Previous Change Best Worst Trend
Page Weight 20.0 kB 20.0 kB 20.0 kB
Requests 4 4 4
Third-party Weight 18.4 kB 18.4 kB 18.4 kB
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 17.9 kB · 1 req
stylesheet 1.2 kB · 2 req
document 865 B · 1 req
third party 18.4 kB · 2 req

Third parties 1 entities

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

Google Fonts 18.4 kB · 0 ms CPU

Page health

Metric Current Previous Change Best Worst Trend
Main Thread Work 170 ms 170 ms 170 ms
Long Tasks 0 0 0
DOM Elements 19 19 19
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

style layout 83 ms
other 69 ms
script evaluation 9 ms
parse HTML 5 ms
paint composite render 4 ms
script parse compile 0 ms

Axe violations axe-core 4.13.0, full rule set

0 violating nodes across 0 rules, 50 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, 8:33 PM UTC 89 2.48 s 0.138 0 ms 20.0 kB 3/3 ±2 2,490 21.3s

Embed this score

Live below, then the markup that produces it. Drop that on any page to show contrast-11ties.netlify.app'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://contrast-11ties.netlify.app/"></speedlify-score>