Crawler Inspector

1. Shard Calculation

Query:

Response:

Calculated Shard: 51 (from laksa178)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa051.int.ahrefs:8124/' \
  -H 'Content-Type: text/plain' \
  -H 'X-ClickHouse-Database: crawler3' \
  -H 'Authorization: Basic YXBpOg==' \
  -d 'SELECT getAhrefsURLFromUnparsed(src_unparsed) AS found_url, ifNull(toUnixTimestamp(download_stamp), 0) AS crawl_time, ifNull(toUnixTimestamp(props_url_first_seen), 0) AS first_indexed_time, download_http_code AS http_code, src_unparsed AS src_unparsed, src_root_hash AS src_root_hash, history_drop_reason AS history_drop_reason, meta_title AS meta_title, meta_descriptions AS meta_descriptions, attrs_boilerpipe_text AS attrs_boilerpipe_text, attrs_markdown AS attrs_markdown, attrs_readable_markdown AS attrs_readable_markdown, meta_canonical AS meta_canonical FROM crawler3.page_info_local FINAL PREWHERE (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.youtube.com/@TheMathSorcerer\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.youtube.com/@TheMathSorcerer\'))) FORMAT JSONEachRow'

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	PASS	`download_stamp > now() - 6 MONTH`	10.8 months ago (distributed domain, exempt)
History drop	FAIL	`isNull(history_drop_reason)`	tooold
Spam/ban	PASS	`fh_dont_index != 1 AND ml_spam_score = 0`	ml_spam_score=0
Canonical	FAIL	`meta_canonical IS NULL OR = '' OR = src_unparsed`	com,youtube!www,/channel/UCr7lmzIk63PZnBw3bezl-Mg s443

Property	Value
URL	https://www.youtube.com/@TheMathSorcerer
Last Crawled	2025-06-01 07:50:17 (10 months ago)
First Indexed	2022-12-05 12:51:54 (3 years ago)
HTTP Status Code	200
Meta Title	The Math Sorcerer - YouTube
Meta Description	Big ideas. Real growth. Math, mindset, and books that inspire.My Books https://www.amazon.com/stores/The-Math-Sorcerer/author/B0DRSVPVMWMy Courses: https://m...
Meta Canonical	com,youtube!www,/channel/UCr7lmzIk63PZnBw3bezl-Mg s443
Boilerpipe Text	Inclure la playlist Une erreur s'est produite lors de la récupération des informations de partage. Veuillez réessayer ultérieurement.
Markdown	null
Readable Markdown	null
Shard	51 (laksa)
Root Hash	3907445400264388851
Unparsed URL	com,youtube!www,/@TheMathSorcerer s443

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1. Shard Calculation

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Response:

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

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