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

allotmentbook.co.uk

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

99PERF 92A11Y 100BEST 100SEO βœ—AXE βœ“CWV

Ranks Overall #1,203 Built Awesome #826

Data from Oct 5, 2026, 8:25 AM UTC old Measured once a week Β· 7 runs since Aug 21, 2026

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

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

Lighthouse Scores LAB Simulated

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

Metrics LAB FIELD

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 (2026-09-06 → 2026-10-03), origin-level.

Metric Lab Simulated Field
Value Change / range Trend p75 Distribution
LCP CWV Largest Contentful Paint 1.97 s good ↓ -4 ms (-0.2%) 1.96 s – 2.00 s 694 ms good 97.5% 1.7% 0.8%
INP CWV Interaction to Next Paint β€” field only, no lab run can measure it n/a — 44 ms good 97.8% 2.1% 0.1%
CLS CWV Cumulative Layout Shift 0 good β†’ no change 0 – 0 0 good 95.5% 3.3% 1.2%
TBT Total Blocking Time 0 ms good β†’ no change 0 ms – 0 ms n/a —
FCP First Contentful Paint 811 ms good ↑ +1 ms (+0.1%) 795 ms – 814 ms 563 ms good 96.2% 2.6% 1.2%
Speed Index 811 ms good ↑ +1 ms (+0.1%) 795 ms – 814 ms n/a —
TTFB Time to First Byte 603 ms good ↑ +1 ms (+0.2%) 602 ms – 604 ms 316 ms good 93.7% 4.1% 2.2%

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 delay 25 ms
resource load duration 24 ms
element render delay 17 ms
time to first byte 4 ms

LCP LAB Simulated vs LCP FIELD

Lab 1.97 s
Field p75 694 ms

The lab LCP is 2.84Γ— the field p75 β€” real users likely have above-average hardware or network connectivity.

Page weight

Metric Value Change / range Trend
Page Weight 305 kB ↑ +580 B (+0.2%) 304 kB – 306 kB
Requests 28 β†’ no change 28 – 29
Third-party Weight 292 kB ↑ +560 B (+0.2%) 291 kB – 292 kB
Third-party CPU 2 ms ↓ -0 ms (-4.3%) 2 ms – 3 ms
Unused JS 0 B β†’ no change 0 B – 0 B
Unused CSS 0 B β†’ no change 0 B – 0 B

By resource type

Type Transfer Share Size Requests
image 92.1% 281 kB 23
other 4.3% 13.3 kB 1
document 2.4% 7.2 kB 1
script 1.2% 3.6 kB 3
Total 305 kB 28

Third parties 3 entities

Entity Transfer Size Main thread Simulated
Firebase image 179 kB 0 ms
Cloudinary image 109 kB 0 ms
Fathom Analytics 3.2 kB 2 ms
Total 292 kB 2 ms

Page health

Metric Value Change / range Trend
Main Thread Work 323 ms ↓ -84 ms (-20.6%) significant 313 ms – 413 ms
Long Tasks 0 β†’ no change 0 – 0
DOM Elements 265 β†’ no change 265 – 265
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 6 β†’ no change 6 – 6
A11y Failures 1 β†’ no change 1 – 1
A11y Failing Nodes 7 β†’ no change 7 – 7

Main thread work

Task Time Share Duration Simulated
other 54% 175 ms
paint composite render 15% 49 ms
style layout 14% 46 ms
parse HTML 8% 26 ms
script evaluation 7% 24 ms
script parse compile 1% 4 ms
Total 323 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 β€” Alternative text of images should not be repeated as text 6 nodes
    Offending elements (5 of 6)
    1. img[alt="Latest Photos"]
      <img style="width:140px;height:140px" src="https://res.cloudinary.com/allotment-book/image/upload/w_140,h_140,q_auto,f_auto/v1675420099/Savill%20Garden/2023%2002/Hydrangea_Flower_Head_2_mj91cg.jpg" a…
    2. img[alt="allotment vegetables"]
      <img style="width:140px;height:140px" src="https://res.cloudinary.com/allotment-book/image/upload/w_140,h_140,q_auto,f_auto/v1642419095/vegetables/harvested-asparagus_bgy1q8.jpg" alt="allotment veget…
    3. img[alt="allotment fruit"]
      <img style="width:140px;height:140px" src="https://res.cloudinary.com/allotment-book/image/upload/w_140,h_140,q_auto,f_auto/v1643011327/fruit/apples-above-nasturtiums_utsbas.jpg" alt="allotment fruit…
    4. img[alt="herbs"]
      <img style="width:140px;height:140px" src="https://res.cloudinary.com/allotment-book/image/upload/w_140,h_140,q_auto,f_auto/v1639392601/herbs/basil-leaves_k2nxns.jpg" alt="herbs">
    5. img[alt="allotment flowers"]
      <img style="width:140px;height:140px" src="https://res.cloudinary.com/allotment-book/image/upload/w_140,h_140,q_auto,f_auto/v1644225398/flowers/calendula_mtyzpc.jpg" alt="allotment flowers">

Accessibility failures 1 of 14 audits

  • target-size β€” 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
2026-09-26 663 ms 41 ms 0 524 ms 304 ms
2026-09-19 654 ms 42 ms 0 519 ms 302 ms
2026-09-12 695 ms 45 ms 0 556 ms 317 ms
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

Runs

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Oct 5, 2026, 8:25 AM UTC 99 1.97 s 0 0 ms 305 kB 3/3 Β±1 2,483 0% 29.9s Wayback
Sep 28, 2026, 3:52 AM UTC 99 1.97 s 0 0 ms 304 kB 3/3 Β±4 2,478 0% 32.2s Wayback
Sep 20, 2026, 11:04 PM UTC 99 1.98 s 0 0 ms 306 kB 3/3 Β±4 2,497 0% 27.5s Wayback
Sep 13, 2026, 10:58 PM UTC 99 1.97 s 0 0 ms 304 kB 3/3 Β±4 2,486 0% 33s Wayback
Sep 6, 2026, 9:07 PM UTC 99 1.96 s 0 0 ms 304 kB 3/3 Β±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 Β±0 2,769 +11% 30.2s Wayback
Aug 21, 2026, 5:30 PM UTC 99 1.96 s 0 0 ms 305 kB 3/3 Β±0 2,436 -2% 34.5s Wayback

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