Crawler Inspector

1. Shard Calculation

Query:

Response:

Calculated Shard: 81 (from laksa099)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa081.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.shiksha.com/online-courses/articles/introduction-to-bellman-ford-algorithm/\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.shiksha.com/online-courses/articles/introduction-to-bellman-ford-algorithm/\'))) FORMAT JSONEachRow'

Response:

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

Query:

curl -X POST \
  'http://laksa081.int.ahrefs:8124/' \
  -H 'Content-Type: text/plain' \
  -H 'X-ClickHouse-Database: crawler3' \
  -H 'Authorization: Basic YXBpOg==' \
  -d '(SELECT getAhrefsURLFromUnparsed(dst_unparsed) AS found_url, dst_unparsed AS unparsed, dst_root_hash AS root_hash FROM crawler3.urls_local FINAL PREWHERE (dst_root_hash, dst_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.shiksha.com/online-courses/articles/introduction-to-bellman-ford-algorithm/\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.shiksha.com/online-courses/articles/introduction-to-bellman-ford-algorithm/\')))) UNION ALL (SELECT getAhrefsURLFromUnparsed(src_unparsed) AS found_url, src_unparsed AS unparsed, src_root_hash AS root_hash FROM web_queue.crawl5_local FINAL PREWHERE crawl_yyyymm >= toYYYYMM(today() - INTERVAL 2 MONTHS) AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.shiksha.com/online-courses/articles/introduction-to-bellman-ford-algorithm/\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.shiksha.com/online-courses/articles/introduction-to-bellman-ford-algorithm/\')))) FORMAT JSONEachRow'

Response:

Filter	Status	Condition	Details
HTTP status	N/A	`download_http_code = 200`	Not crawled
Age cutoff	N/A	`download_stamp > now() - 6 MONTH`	Not crawled
History drop	N/A	`isNull(history_drop_reason)`	Not crawled
Spam/ban	PASS	`fh_dont_index != 1 AND ml_spam_score = 0`	ml_spam_score=0
Canonical	N/A	`meta_canonical IS NULL OR = '' OR = src_unparsed`	Not crawled

Property	Value
URL	https://www.shiksha.com/online-courses/articles/introduction-to-bellman-ford-algorithm/
Shard	81 (laksa)
Root Hash	16723448398305900481
Unparsed URL	com,shiksha!www,/online-courses/articles/introduction-to-bellman-ford-algorithm/ s443

🕷️ Crawler Inspector

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Direct Parameter Lookup

1. Shard Calculation

Query:

Response:

2. Crawled Status Check

Query:

Response:

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

Query:

Response:

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