# PostHog — Agent Score

> Score: 86/100 (Grade: B) | Docs: https://posthog.com/docs | Checked: April 10, 2026

PostHog scored 86/100 (B) on Agent Score. 17 of 22 agent-readiness checks passed.

[View full report](https://buildwithfern.com/agent-score/company/posthog-com-docs)
[All companies](https://buildwithfern.com/agent-score/llms.txt)

## Summary

- Total checks: 22
- Passed: 17
- Warnings: 1
- Failed: 3

## Category Scores

- page-size: 100/100
- observability: 76/100
- url-stability: 100/100
- authentication: 100/100
- content-structure: 100/100
- markdown-availability: 100/100
- content-discoverability: 56/100

## Check Results

### content-discoverability

- [pass] llms.txt found at 1 location(s)
- [pass] llms.txt follows the proposed structure (H1, blockquote, heading-delimited link sections)
- [fail] llms.txt is 233,464 characters (exceeds 100,000 threshold; will be truncated by most agents)
- [pass] All 10 same-origin sampled links resolve (2175 total links)
- [pass] 10/10 same-origin sampled links point to markdown content (100%)
- [fail] No llms.txt directive found in any of 5 sampled pages; 5 failed to fetch

### markdown-availability

- [pass] 10/10 sampled pages support .md URLs (100%)
- [pass] 10/10 sampled pages support content negotiation (100%)

### page-size

- [pass] All 10 sampled pages contain server-rendered content
- [pass] All 10 pages under 50K chars (median 3K, max 7K)
- [pass] All 10 sampled pages convert under 50K chars (median 3K, 0% boilerplate)
- [pass] Content starts within first 10% on all 10 sampled pages (median 1%)

### content-structure

- [pass] No tabbed content detected across 10 sampled pages
- [pass] No tabbed content found; header quality check not applicable
- [pass] All 6 code fences properly closed across 11 pages

### url-stability

- [pass] All 10 sampled pages return proper error codes for bad URLs
- [pass] No redirects detected across 10 sampled pages

### observability

- [fail] llms.txt covers 842/28196 sitemap doc pages (3%); 27354 missing; 1325 llms.txt links not in sitemap (may indicate stale links or incomplete sitemap)
- [warn] 1 of 5 pages have minor content differences between markdown and HTML; 5 failed to fetch
- [pass] All 11 endpoints have appropriate cache headers

### authentication

- [pass] All 10 sampled pages are publicly accessible
- [skip] All docs pages are publicly accessible; no alternative access paths needed