Crawler Inspector

1. Shard Calculation

Query:

Response:

Calculated Shard: 167 (from laksa089)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa167.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 = 87 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.brs.edu.cn/40055.html\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.brs.edu.cn/40055.html\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.brs.edu.cn\/40055.html","crawl_time":1779377366,"first_indexed_time":1642947565,"http_code":200,"src_unparsed":"cn,edu,brs!www,\/40055.html s443","src_root_hash":"10113614397796197567","history_drop_reason":null,"meta_title":"深度学习｜“植树问题”引发的头脑风暴 | 北京王府学校官网","meta_descriptions":["北京王府校区创建于1996年，作为北京市首家中外合作制学校，分别于2003年与2006年率先引进A-LEVEL课程和AP课程，是美国大学理事会授予的中国唯一的AP教学示范校，也是北京首家剑桥大学国际教育考试中心。","　编者按： 　　儿童的数学学习就是对已有经验重新建构的过程，它不只是教儿童会计算、会做题，更重要的是数学思想和方法的习得，启迪儿童智慧。（引自：朱向阳 《从模式到意义：数学知识的教学价值，以植树问题教学为例》） 让学生站立在课堂中央 ..."],"meta_canonical":null,"ml_categories_json":"","ml_types_json":"","ml_intent_types_json":"","meta_language":"zh-hans","attrs_author":null,"attrs_publish_time":0,"attrs_original_publish_time":1642947565,"attrs_is_republished":0,"attrs_nr_words":"376","attrs_boilerpipe_nr_words":"71","body_ext_links_number":29,"body_int_links_number":55,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":0,"src_redirect":"","download_time_msec":855,"download_ttfb_msec":686,"download_size":25995}

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	PASS	`download_stamp > now() - 6 MONTH`	0.4 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.brs.edu.cn/40055.html
Last Crawled	2026-05-21 15:29:26 (12 days ago)
First Indexed	2022-01-23 14:19:25 (4 years ago)
HTTP Status Code	200
Content
Meta Title	深度学习｜“植树问题”引发的头脑风暴 \| 北京王府学校官网
Meta Description	北京王府校区创建于1996年，作为北京市首家中外合作制学校，分别于2003年与2006年率先引进A-LEVEL课程和AP课程，是美国大学理事会授予的中国唯一的AP教学示范校，也是北京首家剑桥大学国际教育考试中心。, 　编者按：　　儿童的数学学习就是对已有经验重新建构的过程，它不只是教儿童会计算、会做题，更重要的是数学思想和方法的习得，启迪儿童智慧。（引自：朱向阳《从模式到意义：数学知识的教学价值，以植树问题教学为例》）让学生站立在课堂中央 ...
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	zh-hans
Author	null
Publish Time	not set
Original Publish Time	2022-01-23 14:19:25 (4 years ago)
Republished	No
Word Count (Total)	376
Word Count (Content)	71
Links
External Links	29
Internal Links	55
Technical SEO
Meta Nofollow	No
Meta Noarchive	No
JS Rendered	No
Redirect Target	null
Performance
Download Time (ms)	855
TTFB (ms)	686
Download Size (bytes)	25,995
Location
Host ID	167 (laksa167)
Partition ID	87
Root Hash	10113614397796197567
Unparsed URL	cn,edu,brs!www,/40055.html 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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Response:

4. Spam/Ban Check

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Response:

5. Seen Status Check

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