opensourcemaintenancefee.org
https://opensourcemaintenancefee.org/
Ranks Overall #599 Astro Showcase #35
Data from Oct 2, 2026, 1:38 PM UTC old Measured once a month · 1 run since Oct 2, 2026
Elsewhere:
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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
Lighthouse Scores LAB Simulated
Metrics LAB FIELD
Field figures are the p75 across real Chrome users over a 28-day trailing window (2026-08-23 → 2026-09-19), url-level. From the backfilled CrUX history rather than this measurement, which predates the API key.
| Metric | Lab Simulated | Field | |||
|---|---|---|---|---|---|
| Value | Change / range | Trend | p75 | Distribution | |
| LCP CWV Largest Contentful Paint | 1.69 s good | — 1.69 s – 1.69 s | 491 ms good site-wide | 99.6% 0.4% 0% | |
| INP CWV Interaction to Next Paint — field only, no lab run can measure it | n/a | — | — | — | |
| CLS CWV Cumulative Layout Shift | 0.019 good | — 0.019 – 0.019 | 0 good site-wide | 99.6% 0% 0.5% | |
| TBT Total Blocking Time | 0 ms good | — 0 ms – 0 ms | n/a | — | |
| FCP First Contentful Paint | 1.69 s good | — 1.69 s – 1.69 s | — | — | |
| Speed Index | 1.69 s good | — 1.69 s – 1.69 s | n/a | — | |
| TTFB Time to First Byte | 471 ms good | — 471 ms – 471 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.
Page weight
| Metric | Value | Change / range | Trend |
|---|---|---|---|
| Page Weight | 581 kB | — 581 kB – 581 kB | |
| Requests | 21 | — 21 – 21 | |
| Third-party Weight | 71.1 kB | — 71.1 kB – 71.1 kB | |
| Third-party CPU | 5 ms | — 5 ms – 5 ms | |
| Unused JS | 0 B | — 0 B – 0 B | |
| Unused CSS | 0 B | — 0 B – 0 B |
By resource type
| Type | Transfer | Share | Size | Requests |
|---|---|---|---|---|
| font | 76.3% | 444 kB | 4 | |
| image | 11.3% | 65.5 kB | 4 | |
| script | 7.6% | 43.9 kB | 5 | |
| stylesheet | 2.6% | 15.2 kB | 2 | |
| document | 1.4% | 8.2 kB | 1 | |
| other | 0.8% | 4.8 kB | 4 | |
| Total | 581 kB | 21 |
Third parties 2 entities
| Entity | Transfer | Size | Main thread Simulated |
|---|---|---|---|
| YouTube | 60.9 kB | 0 ms | |
| Cloudflare | 10.2 kB | 5 ms | |
| Total | 71.1 kB | 5 ms |
Page health
| Metric | Value | Change / range | Trend |
|---|---|---|---|
| Main Thread Work | 538 ms | — 538 ms – 538 ms | |
| Long Tasks | 1 | — 1 – 1 | |
| DOM Elements | 133 | — 133 – 133 | |
| Axe Violations Violating nodes from a full Axe CLI run (more than Lighthouse reports) | 1 | — 1 – 1 | |
| A11y Failures | 0 | — 0 – 0 | |
| A11y Failing Nodes | 0 | — 0 – 0 |
Main thread work
| Task | Time | Share | Duration Simulated |
|---|---|---|---|
| other | 46% | 248 ms | |
| style layout | 26% | 137 ms | |
| script evaluation | 18% | 95 ms | |
| paint composite render | 6% | 33 ms | |
| parse HTML | 4% | 21 ms | |
| script parse compile | 1% | 5 ms | |
| Total | 538 ms |
Axe violations axe-core 4.13.0, full rule set
1 violating node across 1 rule, 162 passing. This is a standalone Axe CLI run and is stricter than the subset Lighthouse already includes.
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minor
image-redundant-alt— Alternative text of images should not be repeated as text 1 nodeOffending element
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img[alt="Open Source Maintenance Fee"]<img class="astro-j35q5mda" alt="Open Source Maintenance Fee" src="/_astro/osmf-logo.CdEqkoZ_.svg" width="315" height="380">
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Hygiene
Measurement log
Field history 25 weeks
Weekly p75 from the CrUX History API, backfilled in a single request.
| Week ending | LCP | INP | CLS | FCP | TTFB |
|---|---|---|---|---|---|
| 2026-09-26 | No data — 1 week under the CrUX reporting threshold | ||||
| 2026-09-19 | 491 ms | — | 0 | 408 ms | 285 ms |
| 2026-09-12 | 701 ms | 54 ms | 0 | 671 ms | 474 ms |
| 2026-09-05 | 735 ms | 60 ms | 0 | 711 ms | 521 ms |
| 2026-08-29 | 684 ms | 59 ms | 0 | 653 ms | 432 ms |
| 2026-08-22 | 712 ms | — | 0 | 671 ms | 432 ms |
| 2026-04-11 → 2026-08-15 | No data — 19 weeks under the CrUX reporting threshold | ||||
Runs
Every stored run for this URL, newest first.
| When | Scores | Perf | LCP | CLS | TBT | Weight | Runs | Spread | Bench | Took | Archive |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 2, 2026, 1:38 PM UTC | 99 | 1.69 s | 0.019 | 0 ms | 581 kB | 3/3 | ±4 | 2,410 -3% | 22.5s |
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