speedlify2

Lighthouse lab metrics, Axe, and Chrome UX Report field data for a list of sites recorded and compared over time.

Charts Measurement runs Embed a score

purl.im

https://purl.im/

100 100 100 100 ✓AXE –CWV

Ranks Overall #149 Built Awesome #127

Data from Sep 6, 2026, 5:36 AM UTC old Measured once a week · 3 runs since Aug 21, 2026

Test elsewhere: PageSpeed Insights · Calibre · Treo · CrUX Vis

Stack

Cloudflare Hosted by Cloudflare

Lighthouse Scores

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

Filmstrip Lighthouse, mobile

How the page drew during the measured load, at 8 points across 3.00 s.

  1. 375 ms
  2. 750 ms
  3. 1.13 s
  4. 1.50 s
  5. 1.88 s
  6. 2.25 s
  7. 2.63 s
  8. 3.00 s

Without JavaScript

The same load, photographed twice at 412×823: once with scripts disabled, once as rendered.

Scripts disabled
As rendered

0% of pixels differ — they are identical. A shifted layout counts as difference, so a <noscript> banner alone can account for a large figure.

Lab metrics Lighthouse, mobile

Metric Current Previous Change Best Worst Trend
LCP Largest Contentful Paint 1.52 s 1.53 s ↓ -7 ms (-0.5%) 1.52 s 1.53 s
CLS Cumulative Layout Shift 0 0 → no change 0 0
TBT Total Blocking Time 0 ms 0 ms → no change 0 ms 0 ms
FCP First Contentful Paint 1.52 s 1.53 s ↓ -7 ms (-0.5%) 1.52 s 1.53 s
Speed Index 1.52 s 1.53 s ↓ -7 ms (-0.5%) 1.52 s 1.53 s
TTFB Time to First Byte 460 ms 461 ms ↓ -1 ms (-0.2%) 458 ms 461 ms

LCP Subparts lab observed, unthrottled

The subparts attribute LCP to your server, resource discovery, download, or rendering. Note that the Lab metrics LCP metric shown above is throttled.

time to first byte 176 ms
element render delay 48 ms

Page weight

Metric Current Previous Change Best Worst Trend
Page Weight 19.0 kB 18.4 kB ↑ +621 B (+3.4%) 18.4 kB 20.3 kB
Requests 5 5 → no change 5 5
Third-party Weight 10.2 kB 9.6 kB ↑ +617 B (+6.4%) 9.6 kB 11.5 kB
Third-party CPU 4 ms 4 ms ↓ -0 ms (-7.7%) 4 ms 4 ms
Unused JS 0 B 0 B → no change 0 B 0 B
Unused CSS 0 B 0 B → no change 0 B 0 B

By resource type

  • script 61.3% 10.2 kB · 1 req
  • stylesheet 19.1% 3.2 kB · 1 req
  • document 16.9% 2.8 kB · 1 req
  • other 2.6% 434 B · 1 req

Third parties 1 entities

10.2 kB transferred, 4 ms on the main thread.

Cloudflare script 10.2 kB · 4 ms CPU

Page health

Metric Current Previous Change Best Worst Trend
Main Thread Work 174 ms 178 ms ↓ -4 ms (-2.1%) 174 ms 178 ms
Long Tasks 0 0 → no change 0 0
DOM Elements 53 53 → no change 53 53
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 0 0 → no change 0 0
A11y Failures 0 0 → no change 0 0
A11y Failing Nodes 0 0 → no change 0 0

Main thread work

other 74 ms
style layout 48 ms
script evaluation 43 ms
paint composite render 5 ms
parse HTML 4 ms
script parse compile 1 ms

Axe violations axe-core 4.13.0, full rule set

0 violating nodes across 0 rules, 162 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h3

Measurement log

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook
Sep 6, 2026, 5:36 AM UTC 100 1.52 s 0 0 ms 19.0 kB 3/3 ±1 2,484 0% 22.9s
Aug 30, 2026, 1:08 AM UTC 100 1.53 s 0 0 ms 18.4 kB 3/3 ±11 2,468 0% 25s
Aug 21, 2026, 6:50 AM UTC 100 1.52 s 0 0 ms 20.3 kB 3/3 ±9 2,438 -2% 25.2s

Embed this score

Use this web component to show purl.im's scores on any website, updated whenever this instance re-measures. Don’t forget to bundle the speedlify2-score.js component code into your site! 

<speedlify2-score speedlify-url="https://www.speedlify.dev/" url="https://purl.im/"></speedlify2-score>