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.

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cyberpunk.co.uk

https://www.cyberpunk.co.uk/

80 100 77 100 AXE CWV

Ranks Overall #829 Built Awesome #656

Data from Sep 13, 2026, 11:02 PM UTC old Measured once a week · 4 runs since Aug 21, 2026

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

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Lighthouse Scores LAB Simulated

80
Performance
↓ -1 (-1.2%)
100
Accessibility
no change
77
Best Practices
no change
100
SEO
no change

Metrics LAB

No field data: the Chrome UX Report is not being collected for this project, so every figure below is from the Lighthouse run.

Metric Lab Simulated
Value Change / range Trend
LCP CWV (estimate) Largest Contentful Paint 2.55 s needs work ↑ +743 ms (+41%) 1.59 s – 2.55 s
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a
CLS CWV (estimate) Cumulative Layout Shift 0.252 poor → no change 0.238 – 0.252
TBT Total Blocking Time 236 ms needs work ↓ -17 ms (-6.7%) 236 ms – 282 ms
FCP First Contentful Paint 776 ms good ↓ -229 ms (-22.8%) 776 ms – 1.00 s
Speed Index 1.76 s good ↓ -1705 ms (-49.2%) 1.76 s – 3.47 s
TTFB Time to First Byte 604 ms good ↓ -174 ms (-22.4%) 604 ms – 778 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.

element render delay 46 ms
resource load delay 17 ms
resource load duration 12 ms
time to first byte 6 ms

Page weight

Metric Value Change / range Trend
Page Weight 785 kB ↓ -486.3 kB (-38.8%) 784 kB – 1.28 MB
Requests 27 ↓ -38 (-58.5%) 27 – 65
Third-party Weight 581 kB ↓ -66.7 kB (-10.5%) 580 kB – 649 kB
Third-party CPU 194 ms ↓ -31 ms (-13.6%) significant 194 ms – 231 ms
Unused JS 268 kB ↓ -47.2 kB (-15.3%) 267 kB – 317 kB
Unused CSS 0 B → no change 0 B – 0 B

By resource type

Type Transfer Share Size Requests
script 75.7% 589 kB 8
image 20.1% 156 kB 7
document 2.4% 18.8 kB 7
other 1.9% 14.4 kB 4
Total 785 kB 27

Third parties 5 entities

Entity Transfer Size Main thread Simulated
Google Tag Manager script 311 kB 96 ms
Google/Doubleclick Ads script 225 kB 78 ms
adtrafficquality.google 21.5 kB 7 ms
Google Analytics 20.9 kB 11 ms
Fathom Analytics 3.2 kB 3 ms
Total 581 kB 194 ms

Page health

Metric Value Change / range Trend
Main Thread Work 1.46 s ↓ -221 ms (-13.2%) 1.46 s – 1.74 s
Long Tasks 6 ↓ -1 (-14.3%) 5 – 8
DOM Elements 50 → no change 50 – 50
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
script evaluation 71% 1.03 s
other 15% 212 ms
script parse compile 10% 141 ms
style layout 3% 51 ms
paint composite render 1% 14 ms
parse HTML 1% 8 ms
Total 1.46 s

Axe violations axe-core 4.13.0, full rule set

0 violating nodes across 0 rules, 128 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

Best Practices failures 2 of 19 audits

  • third-party-cookies — Uses third-party cookies 1 item
  • inspector-issues — Issues were logged in the `Issues` panel in Chrome Devtools 1 item

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 13, 2026, 11:02 PM UTC 80 2.55 s 0.252 236 ms 785 kB 3/3 ±5 2,497 +1% 34.7s Wayback
Sep 6, 2026, 9:12 PM UTC 81 1.81 s 0.252 253 ms 1.28 MB 3/3 ±3 2,502 +1% 46.8s Wayback
Aug 30, 2026, 8:44 PM UTC 82 1.59 s 0.238 268 ms 784 kB 3/3 ±3 2,774 +12% 37.7s Wayback
Aug 21, 2026, 5:35 PM UTC 79 2.55 s 0.238 282 ms 1.06 MB 3/3 ±1 2,474 0% 35.5s Wayback

Embed this score

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