Crawler Inspector

1. Shard Calculation

Query:

Response:

Calculated Shard: 78 (from laksa070)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa078.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 = 8 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.tennovanewport.com/health-library/487\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.tennovanewport.com/health-library/487\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.tennovanewport.com\/health-library\/487","crawl_time":1779871978,"first_indexed_time":1749232418,"http_code":200,"src_unparsed":"com,tennovanewport!www,\/health-library\/487 s443","src_root_hash":"4962589273927201678","history_drop_reason":null,"meta_title":"Clearing COVID Brain Fog | Health Library","meta_descriptions":["Brain health is one of the biggest keys to maintaining a long, independent life. However, research indicates that contracting COVID-19 even once could have negative, long-term effects on your brain. To be classified as “long-term,” a person has to experience a symptom for more than three months. Of the 17 million Americans who have long COVID, as many as 65% suffer from brain fog. And these symptoms can take as long as 18 months to go away. While brain fog can manifest differently from person to person,..."],"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":1749232418,"attrs_is_republished":0,"attrs_nr_words":"1102","attrs_boilerpipe_nr_words":"518","body_ext_links_number":12,"body_int_links_number":266,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":0,"src_redirect":"","download_time_msec":1110,"download_ttfb_msec":1035,"download_size":86458}

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.tennovanewport.com/health-library/487
Last Crawled	2026-05-27 08:52:58 (7 days ago)
First Indexed	2025-06-06 17:53:38 (12 months ago)
HTTP Status Code	200
Content
Meta Title	Clearing COVID Brain Fog \| Health Library
Meta Description	Brain health is one of the biggest keys to maintaining a long, independent life. However, research indicates that contracting COVID-19 even once could have negative, long-term effects on your brain. To be classified as “long-term,” a person has to experience a symptom for more than three months. Of the 17 million Americans who have long COVID, as many as 65% suffer from brain fog. And these symptoms can take as long as 18 months to go away. While brain fog can manifest differently from person to person,...
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	2025-06-06 17:53:38 (12 months ago)
Republished	No
Word Count (Total)	1,102
Word Count (Content)	518
Links
External Links	12
Internal Links	266
Technical SEO
Meta Nofollow	No
Meta Noarchive	No
JS Rendered	No
Redirect Target	null
Performance
Download Time (ms)	1,110
TTFB (ms)	1,035
Download Size (bytes)	86,458
Location
Host ID	78 (laksa078)
Partition ID	8
Root Hash	4962589273927201678
Unparsed URL	com,tennovanewport!www,/health-library/487 s443

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1. Shard Calculation

Query:

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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