Crawler Inspector

1. Shard Calculation

Query:

Response:

Calculated Shard: 83 (from laksa177)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa083.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 = 98 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.njit.edu.cn/info/1043/25627.htm\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.njit.edu.cn/info/1043/25627.htm\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.njit.edu.cn\/info\/1043\/25627.htm","crawl_time":1779834910,"first_indexed_time":1757574299,"http_code":200,"src_unparsed":"cn,edu,njit!www,\/info\/1043\/25627.htm s443","src_root_hash":"1493698899860339683","history_drop_reason":null,"meta_title":"关于开展2025年学校教职工健康体检的通知-南京工程学院","meta_descriptions":["各部门、各单位：经公开招标，学校2025-2027年度教职工体检机构为东南大学附属中大医院和明基医院。现将2025年度体检事项通知如下：一、体检时间1.中大医院：9月15日至11月30日，周一至周六上午2.明基医院：9月15日至11月30日，全周上午二、体检地点1.中大医院：二号楼二楼健康管理中心（鼓楼区丁家桥87号）2.明基医院：门诊楼二楼健康管理中心（建邺区河西大街71号）三、体检项目1.按照学校招标的统一体检套餐进行，个别项目根..."],"meta_canonical":null,"ml_categories_json":"","ml_types_json":"","ml_intent_types_json":"","meta_language":"zh-cn","attrs_author":null,"attrs_publish_time":0,"attrs_original_publish_time":1757574299,"attrs_is_republished":0,"attrs_nr_words":"260","attrs_boilerpipe_nr_words":"47","body_ext_links_number":3,"body_int_links_number":70,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":0,"src_redirect":"","download_time_msec":1250,"download_ttfb_msec":1220,"download_size":35471}

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	PASS	`download_stamp > now() - 6 MONTH`	0.2 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://www.njit.edu.cn/info/1043/25627.htm
Last Crawled	2026-05-26 22:35:10 (7 days ago)
First Indexed	2025-09-11 07:04:59 (8 months ago)
HTTP Status Code	200
Content
Meta Title	关于开展2025年学校教职工健康体检的通知-南京工程学院
Meta Description	各部门、各单位：经公开招标，学校2025-2027年度教职工体检机构为东南大学附属中大医院和明基医院。现将2025年度体检事项通知如下：一、体检时间1.中大医院：9月15日至11月30日，周一至周六上午2.明基医院：9月15日至11月30日，全周上午二、体检地点1.中大医院：二号楼二楼健康管理中心（鼓楼区丁家桥87号）2.明基医院：门诊楼二楼健康管理中心（建邺区河西大街71号）三、体检项目1.按照学校招标的统一体检套餐进行，个别项目根...
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-cn
Author	null
Publish Time	not set
Original Publish Time	2025-09-11 07:04:59 (8 months ago)
Republished	No
Word Count (Total)	260
Word Count (Content)	47
Links
External Links	3
Internal Links	70
Technical SEO
Meta Nofollow	No
Meta Noarchive	No
JS Rendered	No
Redirect Target	null
Performance
Download Time (ms)	1,250
TTFB (ms)	1,220
Download Size (bytes)	35,471
Location
Host ID	83 (laksa083)
Partition ID	98
Root Hash	1493698899860339683
Unparsed URL	cn,edu,njit!www,/info/1043/25627.htm s443

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1. Shard Calculation

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Response:

2. Crawled Status Check

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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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