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 ·

gifgun.io

https://www.gifgun.io/

100 100 96 100 CWV 1AXE

Data from Aug 21, 2026, 11:45 AM UTC — 7h old.

Built Awesome · 1 measurement · since Aug 21, 2026 · last attempt 7h

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 3.1.6 Built with Eleventy 3.1.6
Vercel Hosted by Vercel

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 1.89 s 1.89 s 1.89 s
CLS Cumulative Layout Shift 0 0 0
TBT Total Blocking Time 52 ms 52 ms 52 ms
FCP First Contentful Paint 909 ms 909 ms 909 ms
Speed Index 909 ms 909 ms 909 ms
TTFB Time to First Byte 609 ms 609 ms 609 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 96 ms
time to first byte 4 ms

Page weight

Metric Current Previous Change Best Worst Trend
Page Weight 9.73 MB 9.73 MB 9.73 MB
Requests 20 20 20
Third-party Weight 6.43 MB 6.43 MB 6.43 MB
Third-party CPU 52 ms 52 ms 52 ms
Unused JS 73.1 kB 73.1 kB 73.1 kB
Unused CSS 0 B 0 B 0 B

By resource type

media 9.45 MB · 1 req
script 171.9 kB · 3 req
font 48.5 kB · 1 req
image 34.4 kB · 3 req
document 12.5 kB · 1 req
stylesheet 8.9 kB · 1 req
other 6.0 kB · 3 req
third party 9.65 MB · 4 req

Third parties 3 entities

6.43 MB transferred, 52 ms of main thread time. This is the number most likely to regress without anyone on your team shipping anything.

gifgun.online 6.23 MB · 0 ms CPU
Google Tag Manager 169.6 kB · 52 ms CPU
YouTube 31.8 kB · 0 ms CPU

Page health

Metric Current Previous Change Best Worst Trend
Main Thread Work 683 ms 683 ms 683 ms
Long Tasks 3 3 3
DOM Elements 382 382 382
Axe Violations Violating nodes from a full axe run — stricter than Lighthouse's subset 1 1 1
A11y Failures 0 0 0
A11y Failing Nodes 0 0 0

Main thread work

other 220 ms
script evaluation 216 ms
style layout 150 ms
script parse compile 43 ms
paint composite render 35 ms
parse HTML 20 ms

Axe violations axe-core 4.13.0, full rule set

1 violating node across 1 rule, 519 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.

  • minor image-redundant-alt — Alternative text of images should not be repeated as text 1 node

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, 11:45 AM UTC 100 1.89 s 0 52 ms 9.73 MB 3/3 ±0 2,489 38s

Embed this score

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