speedlify2

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

Charts Compare Measurement runs Embed a score

allotmentbook.co.uk

https://www.allotmentbook.co.uk/

99 92 100 100 ✗AXE ✓CWV

Ranks Overall #1,079 Built Awesome #833

Data from Sep 6, 2026, 9:07 PM UTC old Measured once a week · 3 runs since Aug 21, 2026

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

Lighthouse Scores

99
Performance
no change
92
Accessibility
no change
100
Best Practices
no change
100
SEO
no change

Metrics Lighthouse, mobile Chrome UX Report

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

Field figures are the p75 across real Chrome users over a 28-day trailing window (2026-08-08 → 2026-09-04), origin-level.

Metric Lab Lighthouse Field Chrome UX Report
Value Change / range Trend p75 Distribution
LCP CWV Largest Contentful Paint 1.96 s good ↓ -41 ms (-2%) 1.96 s – 2.00 s 720 ms good 97.3% 2% 0.8%
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a — 44 ms good 99.3% 0.6% 0.2%
CLS CWV Cumulative Layout Shift 0 good → no change 0 – 0 0 good 94.8% 4.2% 1%
TBT Total Blocking Time 0 ms good → no change 0 ms – 0 ms n/a —
FCP First Contentful Paint 803 ms good ↑ +8 ms (+1%) 795 ms – 814 ms 582 ms good 95.9% 2.6% 1.5%
Speed Index 803 ms good ↑ +8 ms (+1%) 795 ms – 814 ms n/a —
TTFB Time to First Byte 602 ms good → no change 602 ms – 603 ms 340 ms good 93.8% 4.4% 1.8%

LCP Subparts lab observed, unthrottled

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

resource load duration 38 ms
element render delay 29 ms
resource load delay 19 ms
time to first byte 3 ms

Lab LCP vs Field LCP Chrome UX Report

Lab 1.96 s
Field p75 720 ms

The lab LCP is 2.73× the field p75 — real users likely have above-average hardware or network connectivity.

Page weight

Metric Value Change / range Trend
Page Weight 304 kB ↓ -154 B (-0.1%) 304 kB – 305 kB
Requests 28 → no change 28 – 28
Third-party Weight 291 kB ↓ -155 B (-0.1%) 291 kB – 291 kB
Third-party CPU 3 ms ↑ +1 ms (+31.8%) significant 2 ms – 3 ms
Unused JS 0 B → no change 0 B – 0 B
Unused CSS 0 B → no change 0 B – 0 B

By resource type

  • image 92.1% 280 kB · 23 req
  • other 4.3% 13.2 kB · 1 req
  • document 2.4% 7.2 kB · 1 req
  • script 1.2% 3.6 kB · 3 req

Third parties 3 entities

291 kB transferred, 3 ms on the main thread.

Firebase image 179 kB · 0 ms CPU
Cloudinary image 109 kB · 0 ms CPU
Fathom Analytics 3.2 kB · 3 ms CPU

Page health

Metric Value Change / range Trend
Main Thread Work 326 ms ↑ +13 ms (+4.1%) 313 ms – 413 ms
Long Tasks 0 → no change 0 – 0
DOM Elements 265 → no change 265 – 265
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 6 → no change 6 – 6
A11y Failures 1 → no change 1 – 1
A11y Failing Nodes 7 → no change 7 – 7

Main thread work

other 174 ms
style layout 59 ms
paint composite render 49 ms
script evaluation 23 ms
parse HTML 15 ms
script parse compile 5 ms

Axe violations axe-core 4.13.0, full rule set

6 violating nodes across 1 rule, 472 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • minor image-redundant-alt — Alternative text of images should not be repeated as text 6 nodes

Accessibility failures 1 of 14 audits

  • target-size — Touch targets do not have sufficient size or spacing. 7 nodes

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
2026-09-05 714 ms 44 ms 0 576 ms 331 ms
2026-08-29 744 ms 51 ms 0 616 ms 363 ms
2026-08-22 749 ms 42 ms 0 606 ms 378 ms
2026-08-15 806 ms 40 ms 0 655 ms 394 ms
2026-08-08 809 ms 39 ms 0 675 ms 394 ms
2026-08-01 793 ms 35 ms 0 660 ms 385 ms
2026-07-25 811 ms 39 ms 0 692 ms 396 ms
2026-07-18 826 ms 39 ms 0 703 ms 408 ms
2026-07-11 803 ms 39 ms 0 670 ms 404 ms
2026-07-04 811 ms 42 ms 0 692 ms 409 ms
2026-06-27 775 ms 39 ms 0 647 ms 391 ms
2026-06-20 749 ms 30 ms 0 639 ms 388 ms

Runs

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Sep 6, 2026, 9:07 PM UTC 99 1.96 s 0 0 ms 304 kB 3/3 ±17 2,501 +1% 31.1s Wayback
Aug 30, 2026, 8:40 PM UTC 99 2.00 s 0 0 ms 304 kB 3/3 ±0 2,769 +12% 30.2s Wayback
Aug 21, 2026, 5:30 PM UTC 99 1.96 s 0 0 ms 305 kB 3/3 ±0 2,436 -2% 34.5s Wayback

Embed this score

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