🕷️ Crawler Inspector

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Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 13 (from laksa039)

2. Crawled Status Check

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Response:

3. Robots.txt Check

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Response:

4. Spam/Ban Check

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Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

🚫

NOT INDEXABLE

✅

CRAWLED

6 months ago

🤖

ROBOTS ALLOWED

Page Info Filters

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	FAIL	`download_stamp > now() - 6 MONTH`	6.8 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

Page Details

Property	Value
URL	https://www.cs.umd.edu/class/fall2020/cmsc420-0201/Lects/lect14-hashing.pdf
Last Crawled	2025-08-06 23:50:14 (6 months ago)
HTTP Status Code	200
Shard	13 (laksa)
Root Hash	2127368015142676813
Unparsed URL	edu,umd!cs,www,/class/fall2020/cmsc420-0201/Lects/lect14-hashing.pdf s443