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 ·

btjanaka.net

https://btjanaka.net/

74 100 100 92 –CWV 0AXE

Data from Aug 20, 2026, 7:12 PM UTC — 24h old.

Built Awesome · 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.

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Scores

74
Performance
no change
100
Accessibility
no change
100
Best Practices
no change
92
SEO
no change

Lab metrics Lighthouse, mobile

Metric Current Previous Change Best Worst Trend
LCP Largest Contentful Paint 4.67 s — — 4.67 s 4.67 s
CLS Cumulative Layout Shift 0 — — 0 0
TBT Total Blocking Time 260 ms — — 260 ms 260 ms
FCP First Contentful Paint 2.72 s — — 2.72 s 2.72 s
Speed Index 2.72 s — — 2.72 s 2.72 s
TTFB Time to First Byte 605 ms — — 605 ms 605 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 128 ms
time to first byte 7 ms

Page weight

Metric Current Previous Change Best Worst Trend
Page Weight 3.16 MB — — 3.16 MB 3.16 MB
Requests 20 — — 20 20
Third-party Weight 227.4 kB — — 227.4 kB 227.4 kB
Third-party CPU 0 ms — — 0 ms 0 ms
Unused JS 40.7 kB — — 40.7 kB 40.7 kB
Unused CSS 24.1 kB — — 24.1 kB 24.1 kB

By resource type

image 2.74 MB · 6 req
font 211.1 kB · 4 req
script 166.5 kB · 2 req
stylesheet 29.1 kB · 4 req
document 6.7 kB · 1 req
media 5.4 kB · 1 req
other 1.0 kB · 1 req
third party 227.4 kB · 7 req

Third parties 3 entities

227.4 kB transferred, 0 ms of main thread time. This is the number most likely to regress without anyone on your team shipping anything.

FontAwesome CDN 187.3 kB · 0 ms CPU
JSDelivr CDN 39.7 kB · 0 ms CPU
Google Fonts 469 B · 0 ms CPU

Page health

Metric Current Previous Change Best Worst Trend
Main Thread Work 668 ms — — 668 ms 668 ms
Long Tasks 1 — — 1 1
DOM Elements 353 — — 353 353
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

script evaluation 195 ms
other 185 ms
script parse compile 140 ms
style layout 92 ms
parse HTML 32 ms
paint composite render 22 ms

Axe violations axe-core 4.13.0, full rule set

0 violating nodes across 0 rules, 609 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, 7:12 PM UTC 74 4.67 s 0 260 ms 3.16 MB 3/3 ±13 2,489 41.3s

Embed this score

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