speedlify2

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

Measurement runs · Embed a score · Field data from the Chrome UX Report ·

rknight.me

https://rknight.me/

77 100 100 100 ✓CWV 14AXE

Data from Aug 21, 2026, 6:49 AM UTC — 12h old.

Built Awesome · 1 measurement · since Aug 21, 2026 · last attempt 12h

Stack

Detected on the same page load as the accessibility pass — the generator from <meta name="generator"> or the shape of the page, the host from response headers.

Eleventy 4.0.0 Built with Eleventy 4.0.0
Self-hosted · nginx Hosted by Self-hosted

Core Web Vitals field data, origin-level

Real Chrome users, 28-day window (2026-07-23 → 2026-08-19). This is what Google measures you on.

LCP 1.69 s good
INP 52 ms good
CLS 0 good

Scores

77
Performance
no change
100
Accessibility
no change
100
Best Practices
no change
100
SEO
no change

Lab metrics Lighthouse, mobile

Metric Current Previous Change Best Worst Trend
LCP Largest Contentful Paint 5.09 s — — 5.09 s 5.09 s
CLS Cumulative Layout Shift 0 — — 0 0
TBT Total Blocking Time 0 ms — — 0 ms 0 ms
FCP First Contentful Paint 2.00 s — — 2.00 s 2.00 s
Speed Index 4.22 s — — 4.22 s 4.22 s
TTFB Time to First Byte 737 ms — — 737 ms 737 ms

What LCP is made of

A flat LCP number tells you something regressed. The subparts tell you whether it was the server, resource discovery, the download, or rendering.

element render delay 2.17 s
time to first byte 277 ms

Field data Chrome UX Report, origin-level

Real Chrome users, 28-day trailing window (2026-07-23 → 2026-08-19). This is what Google measures you on.

Metric p75 Rating Distribution (good / needs work / poor)
LCP CWV 1.69 s good 88.9% good
INP CWV Interaction to Next Paint — field only, Lighthouse cannot measure this in a lab run 52 ms good 98.6% good
CLS CWV 0 good 99.5% good
FCP 1.69 s good 76.7% good
TTFB 819 ms needs-improvement 73.2% good

Lab vs field

Lab LCP 5.09 s · field p75 1.69 s · real users are 0.33× faster than the lab.

Field history 25 weeks

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

Week ending LCPINPCLSFCPTTFB
2026-08-15 1.74 s 52 ms 0 1.70 s 808 ms
2026-08-08 1.77 s 56 ms 0 1.77 s 812 ms
2026-08-01 1.91 s — 0 1.87 s 820 ms
2026-07-25 1.81 s — 0 1.78 s 797 ms
2026-07-18 1.67 s — 0 1.63 s 783 ms
2026-07-11 1.56 s — 0 1.48 s 754 ms
2026-07-04 1.41 s — 0 1.34 s 693 ms
2026-06-27 1.56 s — 0 1.49 s 735 ms
2026-06-20 1.59 s 64 ms 0 1.55 s 754 ms
2026-06-13 1.38 s 52 ms 0 1.35 s 723 ms
2026-06-06 1.42 s 53 ms 0 1.41 s 743 ms
2026-05-30 1.51 s 53 ms 0 1.49 s 754 ms

Page weight

Metric Current Previous Change Best Worst Trend
Page Weight 1.02 MB — — 1.02 MB 1.02 MB
Requests 74 — — 74 74
Third-party Weight 3.8 kB — — 3.8 kB 3.8 kB
Third-party CPU 3 ms — — 3 ms 3 ms
Unused JS 0 B — — 0 B 0 B
Unused CSS 0 B — — 0 B 0 B

By resource type

image 943.1 kB · 43 req
document 31.1 kB · 1 req
font 19.0 kB · 1 req
stylesheet 18.7 kB · 23 req
script 4.9 kB · 3 req
other 628 B · 2 req
third party 3.8 kB · 4 req

Third parties 2 entities

3.8 kB transferred, 3 ms of main thread time. This is the number most likely to regress without anyone on your team shipping anything.

Fathom Analytics 3.2 kB · 2 ms CPU
neatstats.net 639 B · 1 ms CPU

Page health

Metric Current Previous Change Best Worst Trend
Main Thread Work 475 ms — — 475 ms 475 ms
Long Tasks 0 — — 0 0
DOM Elements 626 — — 626 626
Axe Violations Violating nodes from a full axe run — stricter than Lighthouse's subset 14 — — 14 14
A11y Failures 0 — — 0 0
A11y Failing Nodes 0 — — 0 0

Main thread work

other 310 ms
style layout 74 ms
parse HTML 33 ms
script evaluation 30 ms
paint composite render 25 ms
script parse compile 2 ms

Axe violations axe-core 4.13.0, full rule set

14 violating nodes across 1 rule, 605 passing. This is a standalone axe run, stricter than the subset Lighthouse folds into its score above — and it is the second tiebreaker in the ranking.

  • moderate region — All page content should be contained by landmarks 14 nodes

Hygiene

Changes rarely — which is exactly why a change is worth noticing.

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h2

Measurement log

Every stored run for this URL, newest first. Failures are kept as records — "this site was down on Tuesday" is data too.

When PerfLCPCLSTBTWeight RunsSpreadBenchTook
Aug 21, 2026, 6:49 AM UTC 77 5.09 s 0 0 ms 1.02 MB 3/3 ±15 2,614 31.2s

Embed this score

Live below, then the markup that produces it. Drop that on any page to show rknight.me's scores, updated whenever this instance re-measures — more about the component. Don’t forget to bundle the speedlify-score.js component code into your site! 

<speedlify-score speedlify-url="https://zachleat.github.io/speedlify2/" url="https://rknight.me/"></speedlify-score>