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 ·

events.lunch.dev

https://events.lunch.dev/

93 100 92 91 CWV 0AXE

Data from Aug 20, 2026, 10:27 PM UTC — 20h old.

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

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.

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Scores

93
Performance
no change
100
Accessibility
no change
92
Best Practices
no change
91
SEO
no change

Lab metrics Lighthouse, mobile

Metric Current Previous Change Best Worst Trend
LCP Largest Contentful Paint 2.69 s 2.69 s 2.69 s
CLS Cumulative Layout Shift 0.023 0.023 0.023
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 620 ms 620 ms 620 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 114 ms
time to first byte 23 ms

Page weight

Metric Current Previous Change Best Worst Trend
Page Weight 4.31 MB 4.31 MB 4.31 MB
Requests 63 63 63
Third-party Weight 3.28 MB 3.28 MB 3.28 MB
Third-party CPU 3 ms 3 ms 3 ms
Unused JS 0 B 0 B 0 B
Unused CSS 0 B 0 B 0 B

By resource type

image 4.27 MB · 50 req
font 16.4 kB · 1 req
document 10.0 kB · 1 req
stylesheet 5.5 kB · 7 req
script 3.2 kB · 2 req
other 501 B · 1 req
third party 3.28 MB · 52 req

Third parties 5 entities

3.28 MB transferred, 3 ms of main thread time. This is the number most likely to regress without anyone on your team shipping anything.

GitHub 2.86 MB · 0 ms CPU
Cloudinary 375.2 kB · 0 ms CPU
Twitter 27.2 kB · 0 ms CPU
Google Fonts 17.5 kB · 0 ms CPU
Fathom Analytics 3.2 kB · 3 ms CPU

Page health

Metric Current Previous Change Best Worst Trend
Main Thread Work 562 ms 562 ms 562 ms
Long Tasks 3 3 3
DOM Elements 926 926 926
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 283 ms
style layout 126 ms
script evaluation 77 ms
paint composite render 40 ms
parse HTML 34 ms
script parse compile 2 ms

Axe violations axe-core 4.13.0, full rule set

0 violating nodes across 0 rules, 3313 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 5 console errors

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, 10:27 PM UTC 93 2.69 s 0.023 0 ms 4.31 MB 3/3 ±6 2,686 29.7s

Embed this score

Live below, then the markup that produces it. Drop that on any page to show events.lunch.dev'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://events.lunch.dev/"></speedlify-score>