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

infrequently.org

https://infrequently.org/

98 100 100 100 !AXE CWV

Ranks Overall #588 Built Awesome #475

Data from Sep 5, 2026, 3:49 PM UTC old Measured once a week · 3 runs since Aug 21, 2026

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

Stack

Eleventy 3.1.6 Built with Eleventy 3.1.6
Netlify Hosted by Netlify

Lighthouse Scores

98
Performance
no change
100
Accessibility
no change
100
Best Practices
no change
100
SEO
no change

Metrics Lighthouse, mobile Chrome UX Report

Core Web Vitals: passing 2 of 3 assessed from real Chrome users.

Field figures are the p75 across real Chrome users over a 28-day trailing window (2026-08-07 → 2026-09-03), origin-level.

Metric Lab Lighthouse Field Chrome UX Report
Value Change / range Trend p75 Distribution
LCP CWV Largest Contentful Paint 1.99 s good ↑ +27 ms (+1.4%) 1.96 s – 1.99 s 881 ms good 91.4% 8.4% 0.2%
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a
CLS CWV Cumulative Layout Shift 0 good → no change 0 – 0 0 good 98.3% 0% 1.7%
TBT Total Blocking Time 0 ms good → no change 0 ms – 0 ms n/a
FCP First Contentful Paint 1.77 s good ↑ +18 ms (+1%) 1.01 s – 1.77 s 859 ms good 88.3% 5.6% 6.1%
Speed Index 1.77 s good ↑ +18 ms (+1%) 1.01 s – 1.77 s n/a
TTFB Time to First Byte 636 ms good ↑ +27 ms (+4.4%) 609 ms – 636 ms 461 ms good 86.3% 10.5% 3.2%

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 130 ms
time to first byte 37 ms

Lab LCP vs Field LCP Chrome UX Report

Lab 1.99 s
Field p75 881 ms

The lab LCP is 2.25× the field p75 — real users likely have above-average hardware or network connectivity.

Page weight

Metric Value Change / range Trend
Page Weight 261 kB ↑ +443 B (+0.2%) 254 kB – 261 kB
Requests 9 → no change 9 – 9
Third-party Weight 8.7 kB ↑ +16 B (+0.2%) 1.3 kB – 8.7 kB
Third-party CPU 2 ms ↓ -1 ms (-33.3%) 0 ms – 4 ms
Unused JS 0 B → no change 0 B – 0 B
Unused CSS 0 B → no change 0 B – 0 B

By resource type

  • media 50.1% 130 kB · 1 req
  • font 33.8% 87.5 kB · 2 req
  • document 11.1% 28.7 kB · 1 req
  • script 3.4% 8.7 kB · 1 req
  • other 1.6% 4.2 kB · 3 req

Third parties 1 entities

8.7 kB transferred, 2 ms on the main thread.

calibre.app script 8.7 kB · 2 ms CPU

Page health

Metric Value Change / range Trend
Main Thread Work 336 ms ↓ -116 ms (-25.6%) 316 ms – 452 ms
Long Tasks 1 → no change 1 – 1
DOM Elements 493 ↓ -3 (-0.6%) 492 – 496
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 1 → no change 1 – 1
A11y Failures 0 → no change 0 – 0
A11y Failing Nodes 0 → no change 0 – 0

Main thread work

style layout 143 ms
other 110 ms
script evaluation 49 ms
parse HTML 21 ms
paint composite render 9 ms
script parse compile 4 ms

Axe violations axe-core 4.13.0, full rule set

1 violating node across 1 rule, 993 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • moderate landmark-unique — Landmarks should have a unique role or role/label/title (i.e. accessible name) combination 1 node

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 1.02 s 26 ms 0 921 ms 498 ms
2026-08-29 870 ms 26 ms 0 846 ms 513 ms
2026-08-22 963 ms 28 ms 0 899 ms 798 ms
2026-08-15 1.19 s 26 ms 0 1.06 s 913 ms
2026-08-08 1.12 s 28 ms 0 1.06 s 838 ms
2026-08-01 1.18 s 31 ms 0 1.07 s 846 ms
2026-07-25 1.19 s 28 ms 0 1.06 s 782 ms
2026-07-18 987 ms 0 835 ms 662 ms
2026-07-11 1.10 s 0 936 ms 718 ms
2026-07-04 976 ms 0 855 ms 606 ms
2026-06-27 1.00 s 0 885 ms 516 ms
2026-06-20 1.00 s 0 894 ms 559 ms

Runs

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Sep 5, 2026, 3:49 PM UTC 98 1.99 s 0 0 ms 261 kB 3/3 ±4 3,217 +30% 24.5s Wayback
Aug 29, 2026, 12:25 PM UTC 98 1.96 s 0 0 ms 261 kB 3/3 ±2 2,380 -4% 23.7s Wayback
Aug 21, 2026, 1:14 AM UTC 99 1.98 s 0 0 ms 254 kB 3/3 ±26 2,470 0% 26.4s Wayback

Embed this score

Use this web component to show infrequently.org'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://infrequently.org/"></speedlify2-score>