jeremiahlee.com
Ranks Overall #698 Built Awesome #558
Data from Sep 6, 2026, 11:30 PM UTC old Measured once a week · 3 runs since Aug 21, 2026
Elsewhere:
PageSpeed Insights ·
Calibre ·
Treo ·
CrUX Vis ·
Wayback Machine
Stack
Lighthouse Scores
Lab metrics Lighthouse, mobile
| Metric | Current | Previous | Change | Best | Worst | Trend |
|---|---|---|---|---|---|---|
| LCP Largest Contentful Paint | 1.53 s | 1.54 s | ↓ -17 ms (-1.1%) | 1.53 s | 1.54 s | |
| CLS Cumulative Layout Shift | 0 | 0 | → no change | 0 | 0 | |
| TBT Total Blocking Time | 0 ms | 0 ms | → no change | 0 ms | 0 ms | |
| FCP First Contentful Paint | 920 ms | 920 ms | → no change | 788 ms | 920 ms | |
| Speed Index | 920 ms | 920 ms | → no change | 788 ms | 920 ms | |
| TTFB Time to First Byte | 620 ms | 620 ms | → no change | 615 ms | 620 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.
Page weight
| Metric | Current | Previous | Change | Best | Worst | Trend |
|---|---|---|---|---|---|---|
| Page Weight | 201 kB | 201 kB | ↑ +505 B (+0.3%) | 201 kB | 202 kB | |
| Requests | 13 | 13 | → no change | 13 | 13 | |
| Third-party Weight | 10.2 kB | 9.6 kB | ↑ +616 B (+6.4%) | 9.6 kB | 11.5 kB | |
| Third-party CPU | 7 ms | 8 ms | ↓ -2 ms (-21.7%) significant | 7 ms | 9 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
- image 83.2% 168 kB · 1 req
- script 7.7% 15.5 kB · 4 req
- stylesheet 6.1% 12.3 kB · 2 req
- other 1.8% 3.7 kB · 5 req
- document 1.2% 2.4 kB · 1 req
Third parties 2 entities
10.2 kB transferred, 7 ms on the main thread.
Page health
| Metric | Current | Previous | Change | Best | Worst | Trend |
|---|---|---|---|---|---|---|
| Main Thread Work | 163 ms | 200 ms | ↓ -38 ms (-18.8%) | 163 ms | 218 ms | |
| Long Tasks | 0 | 0 | → no change | 0 | 0 | |
| DOM Elements | 31 | 31 | → no change | 31 | 31 | |
| Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) | 2 | 2 | → no change | 2 | 2 | |
| A11y Failures | 1 | 1 | → no change | 1 | 1 | |
| A11y Failing Nodes | 1 | 1 | → no change | 1 | 1 |
Main thread work
Axe violations axe-core 4.13.0, full rule set
2 violating nodes across 2 rules, 79 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.
-
moderate
landmark-one-main— Document should have one main landmark 1 node -
moderate
region— All page content should be contained by landmarks 1 node
Accessibility failures 1 of 13 audits
-
landmark-one-main— Document does not have a main landmark. 1 node
Hygiene
Measurement log
Every stored run for this URL, newest first.
| When | Scores | Perf | LCP | CLS | TBT | Weight | Runs | Spread | Bench | Took | Archive |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 6, 2026, 11:30 PM UTC | 100 | 1.53 s | 0 | 0 ms | 201 kB | 3/3 | ±0 | 3,027 +22% | 19.9s |
|
|
| Aug 30, 2026, 11:12 PM UTC | 100 | 1.54 s | 0 | 0 ms | 201 kB | 3/3 | ±0 | 2,471 0% | 24.2s |
|
|
| Aug 21, 2026, 12:47 PM UTC | 100 | 1.53 s | 0 | 0 ms | 202 kB | 3/3 | ±0 | 2,500 +1% | 20.8s |
|
Embed this score
Use this web component to show jeremiahlee.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://www.jeremiahlee.com/"></speedlify2-score>