Crawler Inspector

1. Shard Calculation

Query:

Response:

Calculated Shard: 21 (from laksa022)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa021.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.mathgptpro.com/ko/app/calculator/arithmetic-sequence-calculator\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.mathgptpro.com/ko/app/calculator/arithmetic-sequence-calculator\'))) FORMAT JSONEachRow'

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	PASS	`download_stamp > now() - 6 MONTH`	3.3 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://www.mathgptpro.com/ko/app/calculator/arithmetic-sequence-calculator
Last Crawled	2026-01-05 02:01:59 (3 months ago)
First Indexed	2025-09-24 10:23:08 (6 months ago)
HTTP Status Code	200
Meta Title	무료 등차수열 계산기
Meta Description	등차수열 문제를 즉시 해결하세요: 항, 합계를 계산하고 그래프로 시퀀스를 시각화하세요 – 이미지를 업로드하거나 방정식을 직접 입력하세요.
Meta Canonical	null
Boilerpipe Text	null
Markdown	![](https://www.facebook.com/tr?id=997678555628412&ev=PageView&noscript=1)
Readable Markdown	null
Shard	21 (laksa)
Root Hash	13870576431050785221
Unparsed URL	com,mathgptpro!www,/ko/app/calculator/arithmetic-sequence-calculator s443

🕷️ Crawler Inspector

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1. Shard Calculation

Query:

Response:

2. Crawled Status Check

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Response:

3. Robots.txt Check

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4. Spam/Ban Check

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Response:

5. Seen Status Check

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