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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.

Charts Compare Measurement runs Embed a score Open to Work

blog.dermah.com

https://blog.dermah.com/

99 100 77 100 AXE CWV

Ranks Overall #477 Built Awesome #391

Data from Sep 11, 2026, 8:40 AM UTC old Measured once a week · 4 runs since Aug 20, 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

Amazon S3 Hosted by Amazon S3

Lighthouse Scores LAB Simulated

99
Performance
no change
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 825 ms good ↓ -884 ms (-51.7%) significant 825 ms – 1.96 s
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a
CLS CWV (estimate) Cumulative Layout Shift 0.038 good ↑ +0.001 (+2.7%) 0.013 – 0.038
TBT Total Blocking Time 131 ms good ↑ +48 ms (+57.8%) significant 77 ms – 131 ms
FCP First Contentful Paint 825 ms good ↑ +30 ms (+3.8%) 795 ms – 1.66 s
Speed Index 1.07 s good ↑ +274 ms (+34.5%) 795 ms – 1.66 s
TTFB Time to First Byte 643 ms good ↑ +28 ms (+4.6%) 603 ms – 643 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.

time to first byte 55 ms
element render delay 35 ms

Page weight

Metric Value Change / range Trend
Page Weight 437 kB ↑ +2.0 kB (+0.5%) 430 kB – 437 kB
Requests 13 ↑ +1 (+8.3%) significant 12 – 13
Third-party Weight 365 kB ↑ +2.0 kB (+0.6%) 358 kB – 365 kB
Third-party CPU 94 ms ↑ +1 ms (+1.3%) 82 ms – 94 ms
Unused JS 141 kB ↓ -1.2 kB (-0.9%) 138 kB – 142 kB
Unused CSS 0 B → no change 0 B – 0 B

By resource type

Type Transfer Share Size Requests
script 80.8% 332 kB 4
image 9.3% 38.4 kB 1
font 7.7% 31.9 kB 2
document 1.2% 4.9 kB 1
stylesheet 0.7% 2.9 kB 2
other 0.2% 1.0 kB 2
Total 437 kB 13

Third parties 4 entities

Entity Transfer Size Main thread Simulated
Google Tag Manager script 293 kB 70 ms
Adobe TypeKit 32.0 kB 0 ms
Google Analytics 21.8 kB 14 ms
StatCounter 18.5 kB 10 ms
Total 365 kB 94 ms

Page health

Metric Value Change / range Trend
Main Thread Work 874 ms ↑ +91 ms (+11.6%) 694 ms – 874 ms
Long Tasks 6 ↑ +2 (+50%) 2 – 6
DOM Elements 82 → no change 82 – 82
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 52% 459 ms
other 17% 151 ms
style layout 12% 104 ms
script parse compile 9% 80 ms
paint composite render 8% 73 ms
parse HTML 1% 7 ms
Total 874 ms

Axe violations axe-core 4.13.0, full rule set

0 violating nodes across 0 rules, 244 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 2 items
  • 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 11, 2026, 8:40 AM UTC 99 825 ms 0.038 131 ms 437 kB 3/3 ±1 2,632 +6% 22.9s Wayback
Sep 4, 2026, 5:37 AM UTC 99 1.71 s 0.037 83 ms 435 kB 3/3 ±12 2,465 -1% 22.3s Wayback
Aug 28, 2026, 1:20 AM UTC 98 1.96 s 0.013 77 ms 432 kB 3/3 ±16 2,326 -6% 22.2s Wayback
Aug 20, 2026, 7:08 PM UTC 99 1.71 s 0.013 83 ms 430 kB 3/3 ±24 2,475 0% 28.6s Wayback

Embed this score

Use this web component to show blog.dermah.com'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://blog.dermah.com/"></speedlify2-score>