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 ·

mier.info

https://mier.info/

73 100 100 100 –CWV –AXE

Data from Aug 21, 2026, 4:38 AM UTC — 14h old.

Built Awesome · 1 measurement · since Aug 21, 2026 · last attempt 14h

Scores

73
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 203.20 s — — 203.20 s 203.20 s
CLS Cumulative Layout Shift 0.008 — — 0.008 0.008
TBT Total Blocking Time 0 ms — — 0 ms 0 ms
FCP First Contentful Paint 1.63 s — — 1.63 s 1.63 s
Speed Index 3.32 s — — 3.32 s 3.32 s
TTFB Time to First Byte 507 ms — — 507 ms 507 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 1.04 s
resource load duration 430 ms
resource load delay 368 ms
time to first byte 25 ms

Page weight

Metric Current Previous Change Best Worst Trend
Page Weight 42.68 MB — — 42.68 MB 42.68 MB
Requests 103 — — 103 103
Third-party Weight 11.5 kB — — 11.5 kB 11.5 kB
Third-party CPU 8 ms — — 8 ms 8 ms
Unused JS 0 B — — 0 B 0 B
Unused CSS 0 B — — 0 B 0 B

By resource type

media 35.98 MB · 3 req
image 6.55 MB · 72 req
font 82.7 kB · 4 req
script 27.8 kB · 15 req
other 18.1 kB · 6 req
document 7.2 kB · 1 req
stylesheet 6.4 kB · 2 req
third party 11.5 kB · 3 req

Third parties 2 entities

11.5 kB transferred, 8 ms of main thread time. This is the number most likely to regress without anyone on your team shipping anything.

Cloudflare 11.5 kB · 8 ms CPU
cloudflareinsights.com 36 B · 0 ms CPU

Page health

Metric Current Previous Change Best Worst Trend
Main Thread Work 1.87 s — — 1.87 s 1.87 s
Long Tasks 1 — — 1 1
DOM Elements 477 — — 477 477
A11y Failures 0 — — 0 0
A11y Failing Nodes 0 — — 0 0

Main thread work

other 1.61 s
style layout 134 ms
script evaluation 74 ms
parse HTML 43 ms
paint composite render 10 ms
script parse compile 8 ms

Axe violations axe-core , full rule set

The axe run failed: Navigation timeout of 120000 ms exceeded

Hygiene

Changes rarely — which is exactly why a change is worth noticing.

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h3

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, 4:38 AM UTC 73 203.20 s 0.008 0 ms 42.68 MB 3/3 ±29 2,488 151.3s

Embed this score

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