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 ·

11ty-gallery.netlify.app

https://11ty-gallery.netlify.app/

100 100 96 100 –CWV 0AXE

Data from Aug 20, 2026, 7:03 PM UTC — 24h old.

Build Awesome Starters · 1 measurement · since Aug 20, 2026 · last attempt 24h

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 1.0.2 Built with Eleventy 1.0.2
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 1.06 s — — 1.06 s 1.06 s
CLS Cumulative Layout Shift 0 — — 0 0
TBT Total Blocking Time 0 ms — — 0 ms 0 ms
FCP First Contentful Paint 841 ms — — 841 ms 841 ms
Speed Index 841 ms — — 841 ms 841 ms
TTFB Time to First Byte 610 ms — — 610 ms 610 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.

resource load duration 24 ms
element render delay 22 ms
time to first byte 12 ms
resource load delay 10 ms

Page weight

Metric Current Previous Change Best Worst Trend
Page Weight 107.0 kB — — 107.0 kB 107.0 kB
Requests 10 — — 10 10
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

image 59.1 kB · 2 req
script 12.5 kB · 2 req
stylesheet 2.9 kB · 2 req
other 1.9 kB · 2 req
document 754 B · 1 req

Page health

Metric Current Previous Change Best Worst Trend
Main Thread Work 155 ms — — 155 ms 155 ms
Long Tasks 0 — — 0 0
DOM Elements 20 — — 20 20
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 119 ms
style layout 15 ms
script evaluation 12 ms
parse HTML 5 ms
paint composite render 4 ms
script parse compile 1 ms

Axe violations axe-core 4.13.0, full rule set

0 violating nodes across 0 rules, 51 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, 7:03 PM UTC 100 1.06 s 0 0 ms 107.0 kB 3/3 ±5 2,247 22.2s

Embed this score

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