Crawler Inspector

1. Shard Calculation

Query:

Response:

Calculated Shard: 159 (from laksa087)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa159.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 = 91 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.chicago.gov/city/ko/sites/covid19-vaccine/home/for-youth.html\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.chicago.gov/city/ko/sites/covid19-vaccine/home/for-youth.html\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.chicago.gov\/city\/ko\/sites\/covid19-vaccine\/home\/for-youth.html","crawl_time":1775925842,"first_indexed_time":1621039858,"http_code":200,"src_unparsed":"gov,chicago!www,\/city\/ko\/sites\/covid19-vaccine\/home\/for-youth.html s443","src_root_hash":"3474308673972338359","history_drop_reason":null,"meta_title":"청소년용","meta_descriptions":["화이자 백신은 FDA (Food and Drug Administration) 및 질병 통제 예방 센터 (CDC)에 의해 12 세에서 17 세 사이의 개인에게 사용하도록 승인되고 권장되었습니다. 12-17 세의 시카고 인은 화이자 백신을 제공하는 사이트에서만 예방 접종을받을 수 있습니다. 현재 18세 미만의 개인에게는 다른 백신이 사용이 허가되지 않습니다."],"meta_canonical":null,"ml_categories_json":"","ml_types_json":"","ml_intent_types_json":"","meta_language":"en-us","attrs_author":null,"attrs_publish_time":0,"attrs_original_publish_time":1621039858,"attrs_is_republished":0,"attrs_nr_words":"1278","attrs_boilerpipe_nr_words":"988","body_ext_links_number":35,"body_int_links_number":57,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":0,"src_redirect":"","download_time_msec":330,"download_ttfb_msec":251,"download_size":28198}

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	PASS	`download_stamp > now() - 6 MONTH`	1.8 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
Canonical	PASS	`meta_canonical IS NULL OR = '' OR = src_unparsed`	Not set

Property	Value
URL	https://www.chicago.gov/city/ko/sites/covid19-vaccine/home/for-youth.html
Last Crawled	2026-04-11 16:44:02 (1 month ago)
First Indexed	2021-05-15 00:50:58 (5 years ago)
HTTP Status Code	200
Content
Meta Title	청소년용
Meta Description	화이자 백신은 FDA (Food and Drug Administration) 및 질병 통제 예방 센터 (CDC)에 의해 12 세에서 17 세 사이의 개인에게 사용하도록 승인되고 권장되었습니다. 12-17 세의 시카고 인은 화이자 백신을 제공하는 사이트에서만 예방 접종을받을 수 있습니다. 현재 18세 미만의 개인에게는 다른 백신이 사용이 허가되지 않습니다.
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	en-us
Author	null
Publish Time	not set
Original Publish Time	2021-05-15 00:50:58 (5 years ago)
Republished	No
Word Count (Total)	1,278
Word Count (Content)	988
Links
External Links	35
Internal Links	57
Technical SEO
Meta Nofollow	No
Meta Noarchive	No
JS Rendered	No
Redirect Target	null
Performance
Download Time (ms)	330
TTFB (ms)	251
Download Size (bytes)	28,198
Location
Host ID	159 (laksa159)
Partition ID	91
Root Hash	3474308673972338359
Unparsed URL	gov,chicago!www,/city/ko/sites/covid19-vaccine/home/for-youth.html s443

🕷️ Crawler Inspector

URL Lookup

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

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Page Details