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 ·

smix.netlify.app

https://smix.netlify.app/

100 100 96 100 CWV 0AXE

Data from Aug 21, 2026, 3:45 PM UTC — 3h old.

Build Awesome Starters · 1 measurement · since Aug 21, 2026 · last attempt 3h

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

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

Lab metrics Lighthouse, mobile

Metric Current Previous Change Best Worst Trend
LCP Largest Contentful Paint 792 ms 792 ms 792 ms
CLS Cumulative Layout Shift 0 0 0
TBT Total Blocking Time 0 ms 0 ms 0 ms
FCP First Contentful Paint 792 ms 792 ms 792 ms
Speed Index 792 ms 792 ms 792 ms
TTFB Time to First Byte 626 ms 626 ms 626 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 57 ms
time to first byte 27 ms

Page weight

Metric Current Previous Change Best Worst Trend
Page Weight 26.1 kB 26.1 kB 26.1 kB
Requests 6 6 6
Third-party Weight 2.4 kB 2.4 kB 2.4 kB
Third-party CPU 2 ms 2 ms 2 ms
Unused JS 0 B 0 B 0 B
Unused CSS 0 B 0 B 0 B

By resource type

image 18.2 kB · 1 req
stylesheet 4.2 kB · 1 req
script 2.0 kB · 2 req
document 1.2 kB · 1 req
other 520 B · 1 req
third party 2.4 kB · 2 req

Third parties 1 entities

2.4 kB transferred, 2 ms of main thread time. This is the number most likely to regress without anyone on your team shipping anything.

Plausible 2.4 kB · 2 ms CPU

Page health

Metric Current Previous Change Best Worst Trend
Main Thread Work 124 ms 124 ms 124 ms
Long Tasks 0 0 0
DOM Elements 29 29 29
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 76 ms
style layout 21 ms
script evaluation 18 ms
parse HTML 5 ms
paint composite render 3 ms
script parse compile 1 ms

Axe violations axe-core 4.13.0, full rule set

0 violating nodes across 0 rules, 73 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 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, 3:45 PM UTC 100 792 ms 0 0 ms 26.1 kB 3/3 ±0 2,403 22s

Embed this score

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