Crawler Inspector

1. Shard Calculation

Query:

Response:

Calculated Shard: 155 (from laksa082)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa155.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, meta_canonical AS meta_canonical, ml_categories_json AS ml_categories_json, ml_types_json AS ml_types_json, ml_intent_types_json AS ml_intent_types_json, meta_language AS meta_language, attrs_author AS attrs_author, ifNull(toUnixTimestamp(attrs_publish_time), 0) AS attrs_publish_time, ifNull(toUnixTimestamp(attrs_original_publish_time), 0) AS attrs_original_publish_time, ifNull(attrs_is_republished, 0) AS attrs_is_republished, ifNull(attrs_nr_words, 0) AS attrs_nr_words, ifNull(attrs_boilerpipe_nr_words, 0) AS attrs_boilerpipe_nr_words, ifNull(body_ext_links_number, 0) AS body_ext_links_number, ifNull(body_int_links_number, 0) AS body_int_links_number, ifNull(meta_nofollow, 0) AS meta_nofollow, ifNull(meta_noarchive, 0) AS meta_noarchive, ifNull(props_was_rendered, 0) AS props_was_rendered, ifNull(src_redirect, \'\') AS src_redirect, ifNull(download_time_msec, 0) AS download_time_msec, ifNull(download_ttfb_msec, 0) AS download_ttfb_msec, ifNull(download_size, 0) AS download_size FROM crawler3.page_info_local FINAL PREWHERE int_partition_id = 55 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://hi-tech.mail.ru/review/123145-kak-stat-programmistom-s-nulya/\')), getAhrefsUnparsedNoserviceFromURL(\'https://hi-tech.mail.ru/review/123145-kak-stat-programmistom-s-nulya/\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/hi-tech.mail.ru\/review\/123145-kak-stat-programmistom-s-nulya\/","crawl_time":1772215924,"first_indexed_time":0,"http_code":200,"src_unparsed":"ru,mail!hi-tech,\/review\/123145-kak-stat-programmistom-s-nulya\/ s443","src_root_hash":"18066806442061891155","history_drop_reason":null,"meta_title":"Как стать программистом с нуля в 2026 году: пошаговая инструкция, что начать изучать самостоятельно в домашних условиях, что нужно знать, какую специализацию выбрать","meta_descriptions":["Все о том, как стать программистом с нуля в 2026 году и выбрать подходящую специализацию. Рассказываем, что нужно знать для самостоятельного обучения в домашних условиях и как начать карьеру в программировании, в проекте Hi-Tech Mail."],"meta_canonical":null,"ml_categories_json":"","ml_types_json":"","ml_intent_types_json":"","meta_language":"ru","attrs_author":"Антон Соколов","attrs_publish_time":1742209920,"attrs_original_publish_time":0,"attrs_is_republished":1,"attrs_nr_words":"2322","attrs_boilerpipe_nr_words":"2676","body_ext_links_number":9,"body_int_links_number":47,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":0,"src_redirect":"","download_time_msec":760,"download_ttfb_msec":642,"download_size":95095}

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	PASS	`download_stamp > now() - 6 MONTH`	3.2 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://hi-tech.mail.ru/review/123145-kak-stat-programmistom-s-nulya/
Last Crawled	2026-02-27 18:12:04 (3 months ago)
First Indexed	not set
HTTP Status Code	200
Content
Meta Title	Как стать программистом с нуля в 2026 году: пошаговая инструкция, что начать изучать самостоятельно в домашних условиях, что нужно знать, какую специализацию выбрать
Meta Description	Все о том, как стать программистом с нуля в 2026 году и выбрать подходящую специализацию. Рассказываем, что нужно знать для самостоятельного обучения в домашних условиях и как начать карьеру в программировании, в проекте Hi-Tech Mail.
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	null
ML Page Types	null
ML Intent Types	null
Content Metadata
Language	ru
Author	Антон Соколов
Publish Time	2025-03-17 11:12:00 (1 year ago)
Original Publish Time	not set
Republished	Yes
Word Count (Total)	2,322
Word Count (Content)	2,676
Links
External Links	9
Internal Links	47
Technical SEO
Meta Nofollow	No
Meta Noarchive	No
JS Rendered	No
Redirect Target	null
Performance
Download Time (ms)	760
TTFB (ms)	642
Download Size (bytes)	95,095
Location
Host ID	155 (laksa155)
Partition ID	55
Root Hash	18066806442061891155
Unparsed URL	ru,mail!hi-tech,/review/123145-kak-stat-programmistom-s-nulya/ s443

🕷️ Crawler Inspector

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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

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