Crawler Inspector

1. Shard Calculation

Query:

Response:

Calculated Shard: 74 (from laksa170)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa074.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 = 73 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.cliffsnotes.com/study-notes/1897446\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.cliffsnotes.com/study-notes/1897446\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.cliffsnotes.com\/study-notes\/1897446","crawl_time":1776256767,"first_indexed_time":1707991489,"http_code":200,"src_unparsed":"com,cliffsnotes!www,\/study-notes\/1897446 s443","src_root_hash":"12720666794680314674","history_drop_reason":null,"meta_title":"Investigating Hooke's Law with Spring Constants: Experiment - CliffsNotes","meta_descriptions":["Law document from California Baptist University, 5 pages, Noah Baer Nicholas Carbajal 10\/18\/2023 Dr. Grant PHY-201A Lab #5: Hooke's law Purpose: The primary objective of this experiment was to investigate Hooke's Law, which describes the behavior of springs and other elastic materials. Hooke's Law states that th"],"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":1707991489,"attrs_is_republished":0,"attrs_nr_words":"1903","attrs_boilerpipe_nr_words":"205","body_ext_links_number":6,"body_int_links_number":35,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":0,"src_redirect":"","download_time_msec":373,"download_ttfb_msec":371,"download_size":63866}

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	PASS	`download_stamp > now() - 6 MONTH`	1.6 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.cliffsnotes.com/study-notes/1897446
Last Crawled	2026-04-15 12:39:27 (1 month ago)
First Indexed	2024-02-15 10:04:49 (2 years ago)
HTTP Status Code	200
Content
Meta Title	Investigating Hooke's Law with Spring Constants: Experiment - CliffsNotes
Meta Description	Law document from California Baptist University, 5 pages, Noah Baer Nicholas Carbajal 10/18/2023 Dr. Grant PHY-201A Lab #5: Hooke's law Purpose: The primary objective of this experiment was to investigate Hooke's Law, which describes the behavior of springs and other elastic materials. Hooke's Law states that th
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	2024-02-15 10:04:49 (2 years ago)
Republished	No
Word Count (Total)	1,903
Word Count (Content)	205
Links
External Links	6
Internal Links	35
Technical SEO
Meta Nofollow	No
Meta Noarchive	No
JS Rendered	No
Redirect Target	null
Performance
Download Time (ms)	373
TTFB (ms)	371
Download Size (bytes)	63,866
Location
Host ID	74 (laksa074)
Partition ID	73
Root Hash	12720666794680314674
Unparsed URL	com,cliffsnotes!www,/study-notes/1897446 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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5. Seen Status Check

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