ℹ️ Skipped - page is already crawled
| Filter | Status | Condition | Details |
|---|---|---|---|
| HTTP status | PASS | download_http_code = 200 | HTTP 200 |
| Age cutoff | PASS | download_stamp > now() - 6 MONTH | 2.2 months ago |
| History drop | PASS | isNull(history_drop_reason) | No drop reason |
| Spam/ban | PASS | fh_dont_index != 1 AND ml_spam_score = 0 | ml_spam_score=0 |
| Canonical | PASS | meta_canonical IS NULL OR = '' OR = src_unparsed | Not set |
| Property | Value | ||||||
|---|---|---|---|---|---|---|---|
| URL | https://chandra.harvard.edu/photo/category/blackholes.html | ||||||
| Last Crawled | 2026-03-30 01:09:18 (2 months ago) | ||||||
| First Indexed | not set | ||||||
| HTTP Status Code | 200 | ||||||
| Content | |||||||
| Meta Title | Chandra :: Photo Album :: Images by Category: Black Holes | ||||||
| Meta Description | null | ||||||
| Meta Canonical | null | ||||||
| Boilerpipe Text | heavy column, fetched on demand | ||||||
| Markdown | heavy column, fetched on demand | ||||||
| Readable Markdown | heavy column, fetched on demand | ||||||
| ML Classification | |||||||
| ML Categories |
Raw JSON{
"/Science": 989,
"/Science/Astronomy": 975
} | ||||||
| ML Page Types |
Raw JSON{
"/Image": 695,
"/Image/Photography": 646
} | ||||||
| ML Intent Types |
Raw JSON{
"Informational": 990
} | ||||||
| Content Metadata | |||||||
| Language | en | ||||||
| Author | null | ||||||
| Publish Time | not set | ||||||
| Original Publish Time | 2018-12-04 21:10:29 (7 years ago) | ||||||
| Republished | No | ||||||
| Word Count (Total) | 3,722 | ||||||
| Word Count (Content) | 3,470 | ||||||
| Links | |||||||
| External Links | 7 | ||||||
| Internal Links | 261 | ||||||
| Technical SEO | |||||||
| Meta Nofollow | No | ||||||
| Meta Noarchive | No | ||||||
| JS Rendered | Yes | ||||||
| Redirect Target | null | ||||||
| Performance | |||||||
| Download Time (ms) | 325 | ||||||
| TTFB (ms) | 247 | ||||||
| Download Size (bytes) | 124,948 | ||||||
| Location | |||||||
| Host ID | 102 (laksa102) | ||||||
| Partition ID | 13 | ||||||
| Root Hash | 2971912334127662702 | ||||||
| Unparsed URL | edu,harvard!chandra,/photo/category/blackholes.html s443 | ||||||