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 ·

jpkc.com

https://www.jpkc.com/

100 100 100 100 –CWV –AXE

Data from Aug 21, 2026, 12:48 PM UTC — 6h old.

Built Awesome · 1 measurement · since Aug 21, 2026 · last attempt 6h

Scores

100
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 942 ms — — 942 ms 942 ms
CLS Cumulative Layout Shift 0 — — 0 0
TBT Total Blocking Time 0 ms — — 0 ms 0 ms
FCP First Contentful Paint 942 ms — — 942 ms 942 ms
Speed Index 1.13 s — — 1.13 s 1.13 s
TTFB Time to First Byte 609 ms — — 609 ms 609 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.

time to first byte 483 ms
element render delay 53 ms

Page weight

Metric Current Previous Change Best Worst Trend
Page Weight 55.4 kB — — 55.4 kB 55.4 kB
Requests 4 — — 4 4
Third-party Weight 0 B — — 0 B 0 B
Third-party CPU 0 ms — — 0 ms 0 ms
Unused JS 0 B — — 0 B 0 B
Unused CSS 0 B — — 0 B 0 B

By resource type

document 34.9 kB · 1 req
other 6.0 kB · 2 req

Page health

Metric Current Previous Change Best Worst Trend
Main Thread Work 224 ms — — 224 ms 224 ms
Long Tasks 0 — — 0 0
DOM Elements 741 — — 741 741
A11y Failures 0 — — 0 0
A11y Failing Nodes 0 — — 0 0

Main thread work

other 102 ms
style layout 67 ms
parse HTML 26 ms
paint composite render 16 ms
script evaluation 11 ms
script parse compile 1 ms

Axe violations axe-core , full rule set

The axe run failed: net::ERR_HTTP2_PROTOCOL_ERROR at https://www.jpkc.com/

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, 12:48 PM UTC 100 942 ms 0 0 ms 55.4 kB 3/3 ±0 2,454 24.4s

Embed this score

Live below, then the markup that produces it. Drop that on any page to show jpkc.com'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://www.jpkc.com/"></speedlify-score>