Crawler Inspector

1. Shard Calculation

Query:

Response:

Calculated Shard: 122 (from laksa151)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa122.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 = 33 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.lit.edu.cn/info/1042/17006.htm\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.lit.edu.cn/info/1042/17006.htm\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.lit.edu.cn\/info\/1042\/17006.htm","crawl_time":1776648223,"first_indexed_time":1636224104,"http_code":200,"src_unparsed":"cn,edu,lit!www,\/info\/1042\/17006.htm s443","src_root_hash":"17126866359377466722","history_drop_reason":null,"meta_title":"新冠病毒“德尔塔”变异株有何特点?如何防范?-洛阳理工学院","meta_descriptions":["最近席卷全球的新冠疫情，与德尔塔（Delta）变异株密不可分。那么，目前肆虐全球的德尔塔变异株（以下简称“德尔塔+”）有何特点，我们又该如何加强防范呢?让我们一起来了解吧。德尔塔毒株对身体的适应力强，传播速度快，病毒载量比较高，致病性强，治疗时间比较长，比较容易发展成为重症等特点，在家庭、社区、工作岗位上非常容易传播。专家指出，“德尔塔+”有3个特点：首先，该毒株传播能力明显增强。根据世界卫生组织的研究..."],"meta_canonical":null,"ml_categories_json":"","ml_types_json":"","ml_intent_types_json":"","meta_language":"en","attrs_author":null,"attrs_publish_time":0,"attrs_original_publish_time":1636224104,"attrs_is_republished":0,"attrs_nr_words":"170","attrs_boilerpipe_nr_words":"16","body_ext_links_number":4,"body_int_links_number":82,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":0,"src_redirect":"","download_time_msec":1195,"download_ttfb_msec":896,"download_size":34960}

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	PASS	`download_stamp > now() - 6 MONTH`	1.5 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.lit.edu.cn/info/1042/17006.htm
Last Crawled	2026-04-20 01:23:43 (1 month ago)
First Indexed	2021-11-06 18:41:44 (4 years ago)
HTTP Status Code	200
Content
Meta Title	新冠病毒“德尔塔”变异株有何特点?如何防范?-洛阳理工学院
Meta Description	最近席卷全球的新冠疫情，与德尔塔（Delta）变异株密不可分。那么，目前肆虐全球的德尔塔变异株（以下简称“德尔塔+”）有何特点，我们又该如何加强防范呢?让我们一起来了解吧。德尔塔毒株对身体的适应力强，传播速度快，病毒载量比较高，致病性强，治疗时间比较长，比较容易发展成为重症等特点，在家庭、社区、工作岗位上非常容易传播。专家指出，“德尔塔+”有3个特点：首先，该毒株传播能力明显增强。根据世界卫生组织的研究...
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
Author	null
Publish Time	not set
Original Publish Time	2021-11-06 18:41:44 (4 years ago)
Republished	No
Word Count (Total)	170
Word Count (Content)	16
Links
External Links	4
Internal Links	82
Technical SEO
Meta Nofollow	No
Meta Noarchive	No
JS Rendered	No
Redirect Target	null
Performance
Download Time (ms)	1,195
TTFB (ms)	896
Download Size (bytes)	34,960
Location
Host ID	122 (laksa122)
Partition ID	33
Root Hash	17126866359377466722
Unparsed URL	cn,edu,lit!www,/info/1042/17006.htm s443

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1. Shard Calculation

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2. Crawled Status Check

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4. Spam/Ban Check

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5. Seen Status Check

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