speedlify2

Lighthouse lab metrics, Axe, and Chrome UX Report field data for a list of sites recorded and compared over time. Follow us on Mastodon or Bluesky.

Charts Compare Measurement runs Embed a score Open to Work

bristolfurs.co.uk

https://bristolfurs.co.uk/

89PERF 100A11Y 100BEST 92SEO ✓AXE ✓CWV

Ranks Overall #483 Built Awesome #371

Data from Oct 3, 2026, 1:47 AM UTC old Measured once a week · 7 runs since Aug 20, 2026

Elsewhere: PageSpeed Insights · Calibre · Treo · CrUX Vis · Tame the Bots · Scoring Calculator · Wayback Machine

Lab data is measured using Lighthouse, Mobile mode unless otherwise specified. Field data is reported from Chrome UX Report (using p75 measurements).

Stack

Li Hosted by Self-hosted

Lighthouse Scores LAB Simulated

89
Performance
no change
100
Accessibility
no change
100
Best Practices
no change
92
SEO
no change

Metrics LAB FIELD

Core Web Vitals: passing 2 of 3 assessed from real Chrome users.

Field figures are the p75 across real Chrome users over a 28-day trailing window (2026-08-23 → 2026-09-19), url-level. From the backfilled CrUX history rather than this measurement, which predates the API key.

Metric Lab Simulated Field
Value Change / range Trend p75 Distribution
LCP CWV Largest Contentful Paint 1.04 s good ↑ +18 ms (+1.8%) 1.01 s – 1.14 s 656 ms good site-wide 94.1% 3.7% 2.2%
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a — — —
CLS CWV Cumulative Layout Shift 0.223 needs work ↓ -0.009 (-3.9%) 0.223 – 0.236 0 good site-wide 96.3% 0.7% 3%
TBT Total Blocking Time 0 ms good → no change 0 ms – 0 ms n/a —
FCP First Contentful Paint 927 ms good ↑ +16 ms (+1.8%) 891 ms – 1.02 s — —
Speed Index 927 ms good ↑ +16 ms (+1.8%) 891 ms – 2.10 s n/a —
TTFB Time to First Byte 741 ms good ↑ +18 ms (+2.5%) 710 ms – 893 ms — —

LCP Subparts LAB Unthrottled

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

resource load duration 158 ms
time to first byte 82 ms
element render delay 27 ms
resource load delay 9 ms

Page weight

Metric Value Change / range Trend
Page Weight 120 kB ↓ -88 B (-0.1%) 120 kB – 121 kB
Requests 14 → no change 14 – 14
Third-party Weight 0 B → no change 0 B – 0 B
Third-party CPU 0 ms → no change 0 ms – 0 ms
Unused JS 0 B → no change 0 B – 0 B
Unused CSS 0 B → no change 0 B – 0 B

By resource type

Type Transfer Share Size Requests
image 67.6% 81.3 kB 3
font 19.3% 23.2 kB 2
stylesheet 4.6% 5.5 kB 2
document 3.7% 4.5 kB 1
script 3.2% 3.9 kB 4
other 1.6% 1.9 kB 2
Total 120 kB 14

Page health

Metric Value Change / range Trend
Main Thread Work 229 ms ↓ -44 ms (-16%) 223 ms – 273 ms
Long Tasks 0 → no change 0 – 0
DOM Elements 120 → no change 120 – 120
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 0 → no change 0 – 0
A11y Failures 0 → no change 0 – 0
A11y Failing Nodes 0 → no change 0 – 0

Main thread work

Task Time Share Duration Simulated
other 46% 105 ms
style layout 37% 85 ms
paint composite render 6% 15 ms
script evaluation 6% 14 ms
parse HTML 4% 9 ms
script parse compile 0% 1 ms
Total 229 ms

Axe violations axe-core 4.13.0, full rule set

0 violating nodes across 0 rules, 224 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

SEO failures 1 of 10 audits

  • meta-description — Document does not have a meta description

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h2

Measurement log

Field history 25 weeks

Weekly p75 from the CrUX History API, backfilled in a single request.

Week ending LCPINPCLSFCPTTFB
2026-09-26 No data — 1 week under the CrUX reporting threshold
2026-09-19 656 ms — 0 584 ms 237 ms
2026-09-12 608 ms — 0 543 ms —
2026-08-29 → 2026-09-05 No data — 2 weeks under the CrUX reporting threshold
2026-08-22 800 ms — 0 767 ms 379 ms
2026-08-15 821 ms 61 ms 0 785 ms 398 ms
2026-08-08 812 ms 63 ms 0 758 ms 370 ms
2026-08-01 785 ms — 0 710 ms 368 ms
2026-05-30 → 2026-07-25 No data — 9 weeks under the CrUX reporting threshold
2026-05-23 629 ms — 0 514 ms 237 ms
2026-04-11 → 2026-05-16 No data — 6 weeks under the CrUX reporting threshold

Runs

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Oct 3, 2026, 1:47 AM UTC 89 1.04 s 0.223 0 ms 120 kB 3/3 ±0 2,331 -6% 22.1s Wayback
Sep 25, 2026, 11:21 AM UTC 89 1.02 s 0.232 0 ms 120 kB 3/3 ±12 2,347 -6% 23.6s Wayback
Sep 18, 2026, 8:53 AM UTC 89 1.14 s 0.223 0 ms 120 kB 3/3 ±9 2,469 -1% 26.1s Wayback
Sep 11, 2026, 8:43 AM UTC 88 1.11 s 0.236 0 ms 121 kB 3/3 ±13 2,490 0% 27.2s Wayback
Sep 4, 2026, 5:40 AM UTC 88 1.11 s 0.236 0 ms 120 kB 3/3 ±1 2,504 +1% 25.3s Wayback
Aug 28, 2026, 1:23 AM UTC 88 1.01 s 0.236 0 ms 120 kB 3/3 ±12 2,338 -6% 22.9s Wayback
Aug 20, 2026, 7:12 PM UTC 88 1.10 s 0.236 0 ms 120 kB 3/3 ±12 2,448 -2% 24.5s Wayback

Embed this score

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