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

nonbreakingspace.co.uk

https://www.nonbreakingspace.co.uk/

99 100 100 100 ✓AXE –CWV

Ranks Overall #229 Built Awesome #185

Data from Sep 7, 2026, 9:01 AM UTC old Measured once a week · 3 runs since Aug 21, 2026

Elsewhere: PageSpeed Insights · Calibre · Treo · CrUX Vis · Wayback Machine

Stack

Vercel Hosted by Vercel

Lighthouse Scores

99
Performance
↑ +1 (+1%)
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 2.12 s 2.13 s ↓ -7 ms (-0.3%) 2.12 s 2.13 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%) 1.13 s 1.53 s
Speed Index 1.52 s 1.53 s ↓ -7 ms (-0.5%) 1.13 s 1.53 s
TTFB Time to First Byte 624 ms 631 ms ↓ -7 ms (-1.1%) 624 ms 631 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.

element render delay 1.37 s
time to first byte 21 ms

Page weight

Metric Current Previous Change Best Worst Trend
Page Weight 262 kB 261 kB ↑ +231 B (+0.1%) 261 kB 262 kB
Requests 10 10 → no change 10 10
Third-party Weight 0 B 0 B → no change 0 B 0 B
Third-party CPU 0 ms 0 ms → no change 0 ms 0 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

  • font 75.6% 198 kB · 3 req
  • document 18.3% 47.9 kB · 1 req
  • other 3.5% 9.2 kB · 4 req
  • script 2.6% 6.7 kB · 2 req

Page health

Metric Current Previous Change Best Worst Trend
Main Thread Work 440 ms 386 ms ↑ +54 ms (+14.1%) 386 ms 440 ms
Long Tasks 0 0 → no change 0 0
DOM Elements 223 223 → no change 223 223
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 0 4 ↓ -4 (-100%) 0 4
A11y Failures 0 0 → no change 0 0
A11y Failing Nodes 0 0 → no change 0 0

Main thread work

other 192 ms
style layout 137 ms
script evaluation 61 ms
paint composite render 27 ms
parse HTML 17 ms
script parse compile 5 ms

Axe violations axe-core 4.13.0, full rule set

0 violating nodes across 0 rules, 394 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 h2

Measurement log

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Sep 7, 2026, 9:01 AM UTC 99 2.12 s 0 0 ms 262 kB 3/3 ±0 2,262 -9% 21.8s Wayback
Aug 31, 2026, 3:56 AM UTC 98 2.13 s 0 0 ms 261 kB 3/3 ±1 2,471 0% 23s Wayback
Aug 21, 2026, 1:51 PM UTC 99 2.13 s 0 0 ms 261 kB 3/3 ±1 2,496 +1% 21.9s Wayback

Embed this score

Use this web component to show nonbreakingspace.co.uk'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://www.nonbreakingspace.co.uk/"></speedlify2-score>