speedlify2

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

Charts Measurement runs Embed a score

ruby-style-guide.shopify.dev

https://ruby-style-guide.shopify.dev/

100 78 100 100 ✗AXE –CWV

Ranks Overall #1,204 11ty Emeritus

Data from Sep 6, 2026, 5:38 AM UTC old Measured once a week · 3 runs since Aug 21, 2026

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

Stack

Jekyll 4.4.1 Built with Jekyll 4.4.1
GitHub Pages Hosted by GitHub Pages

Lighthouse Scores

100
Performance
no change
78
Accessibility
no change
100
Best Practices
no change
100
SEO
no change

Metrics Lighthouse, mobile

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 Lighthouse
Value Change / range Trend
LCP CWV (estimate) Largest Contentful Paint 904 ms good ↓ -8 ms (-0.9%) 904 ms – 912 ms
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a —
CLS CWV (estimate) Cumulative Layout Shift 0 good → no change 0 – 0
TBT Total Blocking Time 0 ms good → no change 0 ms – 0 ms
FCP First Contentful Paint 904 ms good ↓ -8 ms (-0.9%) 904 ms – 912 ms
Speed Index 904 ms good ↓ -8 ms (-0.9%) 904 ms – 912 ms
TTFB Time to First Byte 604 ms good ↓ -8 ms (-1.3%) 604 ms – 612 ms

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.

element render delay 61 ms
time to first byte 6 ms

Page weight

Metric Value Change / range Trend
Page Weight 15.2 kB ↑ +24 B (+0.2%) 15.2 kB – 15.3 kB
Requests 2 → no change 2 – 2
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

  • document 88.1% 13.4 kB · 1 req
  • stylesheet 11.9% 1.8 kB · 1 req

Page health

Metric Value Change / range Trend
Main Thread Work 227 ms ↑ +55 ms (+32.4%) 171 ms – 227 ms
Long Tasks 0 → no change 0 – 1
DOM Elements 2,368 → no change 2,368 – 2,368
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 185 → no change 184 – 185
A11y Failures 4 → no change 4 – 4
A11y Failing Nodes 139 → no change 139 – 139

Main thread work

style layout 113 ms
other 69 ms
parse HTML 18 ms
paint composite render 18 ms
script evaluation 8 ms
script parse compile 0 ms

Axe violations axe-core 4.13.0, full rule set

185 violating nodes across 6 rules, 3716 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • serious color-contrast — Elements must meet minimum color contrast ratio thresholds 130 nodes
  • serious scrollable-region-focusable — Scrollable region must have keyboard access 45 nodes
  • serious link-in-text-block — Links must be distinguishable without relying on color 7 nodes
  • moderate heading-order — Heading levels should only increase by one 1 node
  • moderate landmark-one-main — Document should have one main landmark 1 node
  • moderate region — All page content should be contained by landmarks 1 node

Accessibility failures 4 of 13 audits

  • color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 130 nodes
  • link-in-text-block — Links rely on color to be distinguishable. 7 nodes
  • heading-order — Heading elements are not in a sequentially-descending order 1 node
  • landmark-one-main — Document does not have a main landmark. 1 node

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 6, 2026, 5:38 AM UTC 100 904 ms 0 0 ms 15.2 kB 3/3 ±0 2,491 0% 27.4s Wayback
Aug 30, 2026, 1:18 AM UTC 100 912 ms 0 0 ms 15.2 kB 3/3 ±0 3,461 +40% 23.9s Wayback
Aug 21, 2026, 6:52 AM UTC 100 909 ms 0 0 ms 15.3 kB 3/3 ±0 2,549 +3% 27.9s Wayback