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 ·

elf-eleventy.netlify.app

https://elf-eleventy.netlify.app/

100 100 100 100 –CWV 0AXE

Data from Aug 20, 2026, 9:31 PM UTC — 21h old.

Build Awesome Starters · 1 measurement · since Aug 20, 2026 · last attempt 21h

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
100
Best Practices
no change
100
SEO
no change

Lab metrics Lighthouse, mobile

Metric Current Previous Change Best Worst Trend
LCP Largest Contentful Paint 767 ms — — 767 ms 767 ms
CLS Cumulative Layout Shift 0.010 — — 0.010 0.010
TBT Total Blocking Time 0 ms — — 0 ms 0 ms
FCP First Contentful Paint 767 ms — — 767 ms 767 ms
Speed Index 767 ms — — 767 ms 767 ms
TTFB Time to First Byte 606 ms — — 606 ms 606 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 22 ms
resource load delay 10 ms
time to first byte 8 ms
resource load duration 8 ms

Page weight

Metric Current Previous Change Best Worst Trend
Page Weight 9.6 kB — — 9.6 kB 9.6 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

script 7.0 kB · 2 req
image 952 B · 1 req
other 823 B · 1 req
document 676 B · 1 req
stylesheet 100 B · 1 req

Page health

Metric Current Previous Change Best Worst Trend
Main Thread Work 126 ms — — 126 ms 126 ms
Long Tasks 0 — — 0 0
DOM Elements 17 — — 17 17
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 74 ms
script evaluation 27 ms
style layout 15 ms
paint composite render 3 ms
script parse compile 3 ms
parse HTML 3 ms

Axe violations axe-core 4.13.0, full rule set

0 violating nodes across 0 rules, 44 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, 9:31 PM UTC 100 767 ms 0.010 0 ms 9.6 kB 3/3 ±0 2,488 20.2s

Embed this score

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