857
Pages found
This page shows a deterministic preview report format for the domain until a live stored crawl snapshot is available.
Preview metrics shown until a stored crawl is available.
Pages found
Broken links
Redirect chains
Meta issues
| Mode | Preview |
|---|---|
| Score | 85/100 |
| Errors | 20 |
| Warnings | 35 |
| Notices | 13 |
| Shareable URL | https://alphacrawler.pro/report/developer.mozilla.org |
Total crawl-discovered URLs or modeled crawlable pages for this domain.
| Indexable pages | 634 |
|---|---|
| Crawl score | 85/100 |
| Mode | Preview |
Broken destinations and broken-page references that deserve remediation first.
| Primary signal | 4xx and broken-page patterns |
|---|---|
| Why it matters | Protects crawl equity and user flow |
| Priority | Medium |
Images and image-related crawl signals found during the scan or modeled from the site profile.
| Broken image paths | 35 |
|---|---|
| Redirected images | 23 |
| Review area | Templates and media delivery rules |
Estimated or measured internal references that shape crawl paths and page support.
| Broken internal refs | 11 |
|---|---|
| Mixed protocol links | 9 |
| Source | Modeled preview |
Estimated or measured outbound references that influence trust and user journeys.
| High external-link pages | 51 |
|---|---|
| Source | Modeled preview |
| Review area | Editorial and resource pages |
Redirect chains, non-final destinations, and redirect-linked pages that add friction.
| 301s and 302s | 39 |
|---|---|
| Pages linking to redirects | 18 |
| Priority | Medium |
Metadata issues gathered from titles, descriptions, canonicals, headings, and robots signals.
| Missing or duplicate tags | 37 |
|---|---|
| Warnings | 35 |
| Notices | 13 |