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

tto.koser.us

https://tto.koser.us/

100 85 96 100 !AXE –CWV

Ranks Overall #857 Built Awesome #673

Data from Sep 6, 2026, 2:03 PM UTC old Measured once a week · 3 runs since Aug 21, 2026

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

Stack

Netlify Hosted by Netlify

Lighthouse Scores

100
Performance
no change
85
Accessibility
no change
96
Best Practices
no change
100
SEO
no change

Lab metrics Lighthouse, mobile

Metric Current Previous Change Best Worst Trend
LCP Largest Contentful Paint 979 ms 828 ms ↑ +151 ms (+18.2%) 828 ms 979 ms
CLS Cumulative Layout Shift 0.005 0.043 ↓ -0.038 (-88.4%) 0.005 0.043
TBT Total Blocking Time 0 ms 0 ms → no change 0 ms 0 ms
FCP First Contentful Paint 820 ms 828 ms ↓ -8 ms (-1%) 820 ms 834 ms
Speed Index 820 ms 828 ms ↓ -8 ms (-1%) 820 ms 834 ms
TTFB Time to First Byte 604 ms 630 ms ↓ -26 ms (-4.1%) 604 ms 630 ms

LCP Subparts lab observed, unthrottled

The subparts attribute LCP to your server, resource discovery, download, or rendering. Note that the Lab metrics LCP metric shown above is throttled.

element render delay 72 ms
time to first byte 6 ms

Page weight

Metric Current Previous Change Best Worst Trend
Page Weight 306 kB 348 kB ↓ -40.8 kB (-12%) 226 kB 348 kB
Requests 23 23 → no change 23 23
Third-party Weight 301 kB 253 kB ↑ +46.2 kB (+18.7%) 222 kB 301 kB
Third-party CPU 0 ms 0 ms → no change 0 ms 0 ms
Unused JS 0 B 0 B → no change 0 B 0 B
Unused CSS 0 B 0 B → no change 0 B 0 B

By resource type

  • media 38.1% 115 kB · 2 req
  • image 30.6% 92.4 kB · 2 req
  • font 26.2% 79.3 kB · 9 req
  • stylesheet 2.3% 6.9 kB · 2 req
  • other 1.8% 5.4 kB · 2 req
  • document 0.8% 2.5 kB · 1 req
  • script 0.2% 547 B · 1 req

Third parties 1 entities

301 kB transferred, 0 ms on the main thread.

Amazon Web Services mediafont 301 kB · 0 ms CPU

Page health

Metric Current Previous Change Best Worst Trend
Main Thread Work 420 ms 308 ms ↑ +113 ms (+36.6%) 308 ms 435 ms
Long Tasks 1 0 ↑ +1 0 1
DOM Elements 160 160 → no change 160 160
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 4 4 → no change 2 4
A11y Failures 2 2 → no change 2 2
A11y Failing Nodes 3 3 → no change 3 3

Main thread work

other 179 ms
style layout 175 ms
paint composite render 39 ms
script evaluation 13 ms
parse HTML 13 ms
script parse compile 1 ms

Axe violations axe-core 4.13.0, full rule set

4 violating nodes across 3 rules, 233 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • serious link-name — Links must have discernible text 2 nodes
  • serious color-contrast — Elements must meet minimum color contrast ratio thresholds 1 node
  • moderate page-has-heading-one — Page should contain a level-one heading 1 node

Accessibility failures 2 of 13 audits

  • link-name — Links do not have a discernible name 2 nodes
  • color-contrast — Background and foreground colors do not have a sufficient contrast ratio. 1 node

Hygiene

HTTPS HSTS CSP Clickjacking protection Origin isolation Trusted Types bfcache h2 4 console errors

Measurement log

Every stored run for this URL, newest first.

When Scores PerfLCPCLSTBTWeight RunsSpreadBenchTook Archive
Sep 6, 2026, 2:03 PM UTC 100 979 ms 0.005 0 ms 306 kB 3/3 ±11 2,479 0% 24.1s Wayback
Aug 30, 2026, 1:41 PM UTC 100 828 ms 0.043 0 ms 348 kB 3/3 ±8 3,385 +36% 22.1s Wayback
Aug 21, 2026, 9:46 AM UTC 100 979 ms 0.005 0 ms 226 kB 3/3 ±13 2,476 0% 24.5s Wayback

Embed this score

Use this web component to show tto.koser.us'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://tto.koser.us/"></speedlify2-score>