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

jamieoliver.com

https://www.jamieoliver.com/

42PERF 94A11Y 54BEST 100SEO ✗AXE !CWV

Ranks Overall #1,680 Astro Showcase #146

Data from Oct 2, 2026, 1:57 PM UTC old Measured once a month · 1 run since Oct 2, 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

Astro 4.15.2 Built with Astro 4.15.2
Uses Alpine.js 3.14.1Alpine.js 3.14.1
Netlify Hosted by Netlify

Lighthouse Scores LAB Simulated

42
Performance
no change
94
Accessibility
no change
54
Best Practices
no change
100
SEO
no change

Metrics LAB FIELD

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

Field figures are the p75 across real Chrome users over a 28-day trailing window (2026-09-02 → 2026-09-29), url-level.

Metric Lab Simulated Field
Value Change / range Trend p75 Distribution
LCP CWV Largest Contentful Paint 4.81 s poor — 4.81 s – 4.81 s 1.11 s good 94.4% 3.3% 2.2%
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a — 220 ms needs work 71.6% 22.2% 6.2%
CLS CWV Cumulative Layout Shift 0.005 good — 0.005 – 0.005 0.040 good 90.6% 5.5% 4%
TBT Total Blocking Time 5.56 s poor — 5.56 s – 5.56 s n/a —
FCP First Contentful Paint 1.60 s good — 1.60 s – 1.60 s 927 ms good 92.3% 4.8% 2.9%
Speed Index 16.84 s poor — 16.84 s – 16.84 s n/a —
TTFB Time to First Byte 615 ms good — 615 ms – 615 ms 402 ms good 92.3% 5.7% 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.

time to first byte 202 ms
resource load delay 94 ms
element render delay 62 ms
resource load duration 31 ms

LCP LAB Simulated vs LCP FIELD

Lab 4.81 s
Field p75 1.11 s

The lab LCP is 4.35× the field p75 — real users likely have above-average hardware or network connectivity.

Page weight

Metric Value Change / range Trend
Page Weight 6.96 MB — 6.96 MB – 6.96 MB
Requests 838 — 838 – 838
Third-party Weight 3.51 MB — 3.51 MB – 3.51 MB
Third-party CPU 1.31 s — 1.31 s – 1.31 s
Unused JS 745 kB — 745 kB – 745 kB
Unused CSS 12.6 kB — 12.6 kB – 12.6 kB

By resource type

Type Transfer Share Size Requests
script 44.5% 3.10 MB 112
image 28.5% 1.98 MB 165
media 9.8% 680 kB 5
document 7.1% 497 kB 45
other 5.8% 402 kB 485
font 3.8% 262 kB 9
stylesheet 0.5% 36.6 kB 8
Total 6.96 MB 838

Third parties 39 entities

Entity Transfer Size Main thread Simulated
adthrive.com script 751 kB 438 ms
LongTail Ad Solutions media 745 kB 0 ms
Google Tag Manager script 535 kB 222 ms
Google/Doubleclick Ads scriptother 458 kB 123 ms
Klaviyo script 304 kB 125 ms
All 39 3.51 MB 1.31 s

Page health

Metric Value Change / range Trend
Main Thread Work 21.16 s — 21.16 s – 21.16 s
Long Tasks 20 — 20 – 20
DOM Elements 3,115 — 3,115 – 3,115
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 14 — 14 – 14
A11y Failures 3 — 3 – 3
A11y Failing Nodes 30 — 30 – 30

Main thread work

Task Time Share Duration Simulated
script evaluation 69% 14.50 s
other 18% 3.75 s
style layout 5% 1.05 s
script parse compile 5% 975 ms
garbage collection 2% 374 ms
paint composite render 2% 369 ms
parse HTML 1% 143 ms
Total 21.16 s

Axe violations axe-core 4.13.0, full rule set

14 violating nodes across 7 rules, 3512 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • moderate region — All page content should be contained by landmarks 6 nodes
    Offending elements (5 of 6)
    1. .auth-header__text
      <h3 class="auth-header__text type-h3 astro-wde4htkj"> <span x-text="getStepText('heading')" class="astro-wde4htkj">Sign In or Register</span> </h3>
    2. .md\:mb-32.mb-24.astro-v4ktskqs:nth-child(4) > .input--container.astro-v4ktskqs
      <div class="input--container astro-v4ktskqs">
    3. .auth__form-social--divider
      <div class="auth__form-social--divider astro-v4ktskqs"> <hr class="type-hr astro-v4ktskqs"> <span class="type-label astro-v4ktskqs">or</span> <hr class="type-hr astro-v4ktskqs"> </div>
    4. .px-8.text-center.mt-16
      <p class="text-center type-body-sm mt-16 px-8 astro-v4ktskqs">
    5. #google_ads_iframe_\/18190176\,22478830124\/AdThrive_Footer_1\/686fea85d8a22b79facec066_0 >>> #\32 00_287_express_html_inpage_0\.if >>> #slide-13
      <div id="slide-13" class="sc-edmcci hJzxOl">
  • serious aria-command-name — ARIA commands must have an accessible name 3 nodes
    Offending elements
    1. #google_ads_iframe_\/18190176\,22478830124\/AdThrive_Content_1\/686fea85d8a22b79facec066_0 >>> #cbb
      <div id="cbb" class="cbb" tabindex="0" role="button">
    2. #google_ads_iframe_\/18190176\,22478830124\/AdThrive_Content_2\/686fea85d8a22b79facec066_0 >>> #cbb
      <div id="cbb" class="cbb" tabindex="0" role="button">
    3. #google_ads_iframe_\/18190176\,22478830124\/AdThrive_Footer_1\/686fea85d8a22b79facec066_0 >>> #cbb
      <div id="cbb" class="cbb" tabindex="0" role="button">
  • critical button-name — Buttons must have discernible text 1 node
    Offending element
    1. .ml-auto
      <button @click="clearMessage" class="ml-auto astro-migfe2uf"> <svg width="32" height="32" viewBox="0 0 32 32" class="astro-migfe2uf" data-icon="close"> <use xlink:href="#ai:local:close"></use> </svg>…
  • serious frame-title — Frames must have an accessible name 1 node
    Offending element
    1. #google_ads_iframe_\/18190176\,22478830124\/AdThrive_Footer_1\/686fea85d8a22b79facec066_0 >>> #\32 00_287_express_html_inpage_0\.if
      <iframe data-creative-load-listener="" id="200_287_express_html_inpage_0.if" src="https://s0.2mdn.net/sadbundle/10496731232363415526/index.html?ev=01_262" width="320" height="50" frameborder="0" scro…
  • moderate heading-order — Heading levels should only increase by one 1 node
    Offending element
    1. #adthrive-collapse-title
      <h3 class="adthrive-player-title" id="adthrive-collapse-title">MY LATEST VIDEOS</h3>
  • minor image-redundant-alt — Alternative text of images should not be repeated as text 1 node
    Offending element
    1. img[alt="YouTube Recipes"][loading="lazy"][data-sizes="48px"]
      <img src="data:image/gif;base6..." data-src="https://asset.jamieo..." data-srcset="https://asset.jamieo..." alt="YouTube Recipes" class="media-container" loading="lazy" width="48" height="48" data-si…
  • serious link-name — Links must have discernible text 1 node
    Offending element
    1. #google_ads_iframe_\/18190176\,22478830124\/AdThrive_Footer_1\/686fea85d8a22b79facec066_0 >>> #\32 00_287_express_html_inpage_0\.if >>> a
      <a href="clickTag" target="_blank"><noscript><img src="./media/fallback-image.jpg" style="width:100%;height:100%;object-fit:cover;display:block"></noscript></a>

Accessibility failures 3 of 34 audits

  • label-content-name-mismatch — Elements with visible text labels do not have matching accessible names. 28 nodes
  • button-name — Buttons do not have an accessible name 1 node
  • heading-order — Heading elements are not in a sequentially-descending order 1 node

Best Practices failures 4 of 19 audits

  • deprecations — Uses deprecated APIs 2 items
  • third-party-cookies — Uses third-party cookies 175 items
  • errors-in-console — Browser errors were logged to the console 13 items
  • inspector-issues — Issues were logged in the `Issues` panel in Chrome Devtools 2 items

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h2 13 console errors

Measurement log

Field history 25 weeks

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

Week ending LCPINPCLSFCPTTFB
2026-09-26 1.10 s 213 ms 0.050 926 ms 403 ms
2026-09-19 1.09 s 206 ms 0.050 920 ms 395 ms
2026-09-12 1.13 s 201 ms 0.050 921 ms 397 ms
2026-09-05 1.19 s 198 ms 0.040 930 ms 397 ms
2026-08-29 1.17 s 196 ms 0.040 920 ms 397 ms
2026-08-22 1.17 s 195 ms 0.040 924 ms 397 ms
2026-08-15 1.16 s 195 ms 0.030 937 ms 394 ms
2026-08-08 1.11 s 192 ms 0.030 941 ms 393 ms
2026-08-01 1.12 s 191 ms 0.030 949 ms 395 ms
2026-07-25 1.13 s 188 ms 0.030 947 ms 397 ms
2026-07-18 1.11 s 188 ms 0.040 940 ms 401 ms
2026-07-11 1.13 s 188 ms 0.040 948 ms 412 ms

Runs

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Oct 2, 2026, 1:57 PM UTC 42 4.81 s 0.005 5.56 s 6.96 MB 2/3 ±6 2,683 +8% 223.1s Wayback