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

sourcetarget.email

https://sourcetarget.email/

99 96 100 100 AXE CWV

Ranks Overall #1,048 Built Awesome #808

Data from Sep 6, 2026, 1:57 PM UTC old Measured once a week · 3 runs since Aug 21, 2026

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

Stack

Eleventy Built with Eleventy
Cloudflare Hosted by Cloudflare

Lighthouse Scores

99
Performance
↑ +1 (+1%)
96
Accessibility
no change
100
Best Practices
no change
100
SEO
no change

Metrics Lighthouse, mobile

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 Lighthouse
Value Change / range Trend
LCP CWV (estimate) Largest Contentful Paint 2.04 s good ↓ -319 ms (-13.5%) 2.04 s – 2.36 s
INP CWV Interaction to Next Paint — field only, no lab run can measure it n/a
CLS CWV (estimate) Cumulative Layout Shift 0.011 good → no change 0.011 – 0.011
TBT Total Blocking Time 0 ms good → no change 0 ms – 0 ms
FCP First Contentful Paint 816 ms good ↓ -63 ms (-7.2%) 816 ms – 1.21 s
Speed Index 816 ms good ↓ -63 ms (-7.2%) 816 ms – 1.21 s
TTFB Time to First Byte 611 ms good ↓ -72 ms (-10.5%) 611 ms – 683 ms

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 540 ms
resource load duration 36 ms
time to first byte 24 ms
resource load delay 8 ms

Page weight

Metric Value Change / range Trend
Page Weight 1.24 MB ↓ -407 B 1.24 MB – 1.24 MB
Requests 31 → no change 31 – 31
Third-party Weight 1.14 MB ↓ -462 B 1.14 MB – 1.14 MB
Third-party CPU 0 ms → no change 0 ms – 0 ms
Unused JS 0 B → no change 0 B – 0 B
Unused CSS 0 B → no change 0 B – 0 B

By resource type

  • image 92.5% 1.14 MB · 12 req
  • font 6% 74.0 kB · 3 req
  • document 0.9% 10.6 kB · 1 req
  • other 0.6% 7.7 kB · 13 req

Third parties 1 entities

1.14 MB transferred, 0 ms on the main thread.

Cloudinary image 1.14 MB · 0 ms CPU

Page health

Metric Value Change / range Trend
Main Thread Work 340 ms ↑ +70 ms (+26%) 270 ms – 359 ms
Long Tasks 0 → no change 0 – 0
DOM Elements 113 → no change 113 – 113
Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) 9 → no change 9 – 9
A11y Failures 1 → no change 1 – 1
A11y Failing Nodes 1 → no change 1 – 1

Main thread work

other 187 ms
style layout 75 ms
script evaluation 32 ms
paint composite render 30 ms
parse HTML 15 ms
script parse compile 1 ms

Axe violations axe-core 4.13.0, full rule set

9 violating nodes across 3 rules, 266 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.

  • minor image-redundant-alt — Alternative text of images should not be repeated as text 7 nodes
  • serious link-name — Links must have discernible text 1 node
  • serious scrollable-region-focusable — Scrollable region must have keyboard access 1 node

Accessibility failures 1 of 27 audits

  • link-name — Links do not have a discernible name 1 node

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 6, 2026, 1:57 PM UTC 99 2.04 s 0.011 0 ms 1.24 MB 3/3 ±2 2,470 0% 21.6s Wayback
Aug 30, 2026, 8:05 AM UTC 98 2.36 s 0.011 0 ms 1.24 MB 3/3 ±0 3,589 +45% 22.5s Wayback
Aug 21, 2026, 6:52 AM UTC 99 2.20 s 0.011 0 ms 1.24 MB 3/3 ±1 2,471 0% 21.2s Wayback

Embed this score

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