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 ·

shotplot.app

https://shotplot.app/

92 95 100 100 –CWV 2AXE

Data from Aug 21, 2026, 7:43 AM UTC — 11h old.

Built Awesome · 1 measurement · since Aug 21, 2026 · last attempt 11h

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.

Cloudflare Hosted by Cloudflare

Scores

92
Performance
no change
95
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 2.44 s — — 2.44 s 2.44 s
CLS Cumulative Layout Shift 0.132 — — 0.132 0.132
TBT Total Blocking Time 0 ms — — 0 ms 0 ms
FCP First Contentful Paint 1.69 s — — 1.69 s 1.69 s
Speed Index 1.69 s — — 1.69 s 1.69 s
TTFB Time to First Byte 470 ms — — 470 ms 470 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 51 ms
time to first byte 32 ms

Page weight

Metric Current Previous Change Best Worst Trend
Page Weight 208.8 kB — — 208.8 kB 208.8 kB
Requests 15 — — 15 15
Third-party Weight 22.9 kB — — 22.9 kB 22.9 kB
Third-party CPU 4 ms — — 4 ms 4 ms
Unused JS 92.2 kB — — 92.2 kB 92.2 kB
Unused CSS 22.8 kB — — 22.8 kB 22.8 kB

By resource type

script 151.4 kB · 3 req
stylesheet 32.3 kB · 2 req
font 13.5 kB · 1 req
other 4.9 kB · 4 req
document 2.6 kB · 1 req
image 1.1 kB · 1 req
third party 22.9 kB · 4 req

Third parties 2 entities

22.9 kB transferred, 4 ms of main thread time. This is the number most likely to regress without anyone on your team shipping anything.

Cloudflare 22.9 kB · 4 ms CPU
cloudflareinsights.com 36 B · 0 ms CPU

Page health

Metric Current Previous Change Best Worst Trend
Main Thread Work 261 ms — — 261 ms 261 ms
Long Tasks 0 — — 0 0
DOM Elements 197 — — 197 197
Axe Violations Violating nodes from a full axe run — stricter than Lighthouse's subset 2 — — 2 2
A11y Failures 1 — — 1 1
A11y Failing Nodes 1 — — 1 1

Main thread work

other 80 ms
script evaluation 72 ms
style layout 49 ms
script parse compile 28 ms
parse HTML 25 ms
paint composite render 7 ms

Axe violations axe-core 4.13.0, full rule set

2 violating nodes across 2 rules, 455 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.

  • critical aria-required-children — Certain ARIA roles must contain particular children 1 node
  • moderate page-has-heading-one — Page should contain a level-one heading 1 node

Accessibility failures 1 of 24 audits

Tracked as a count, not just the score — the weighted score is coarse enough that you can ship a broken component and barely move it.

  • aria-required-children — Elements with an ARIA `[role]` that require children to contain a specific `[role]` are missing some or all of those required children. 1 node

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, 7:43 AM UTC 92 2.44 s 0.132 0 ms 208.8 kB 3/3 ±4 4,238 19.8s

Embed this score

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