Crawler Inspector

1. Shard Calculation

Query:

Response:

Calculated Shard: 143 (from laksa051)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa143.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 = 42 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.sleepwakeadvisor.com/news/covid19-pandemic-associated-with-accelerated-brain-aging/\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.sleepwakeadvisor.com/news/covid19-pandemic-associated-with-accelerated-brain-aging/\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.sleepwakeadvisor.com\/news\/covid19-pandemic-associated-with-accelerated-brain-aging\/","crawl_time":1778879178,"first_indexed_time":1757426866,"http_code":200,"src_unparsed":"com,sleepwakeadvisor!www,\/news\/covid19-pandemic-associated-with-accelerated-brain-aging\/ s443","src_root_hash":"14464888561584188543","history_drop_reason":null,"meta_title":"The COVID-19 Pandemic Is Associated With Accelerated Brain Aging","meta_descriptions":["The COVID-19 pandemic is associated with accelerated rates of gray and white matter aging, even among those not infected with SARS-CoV-2."],"meta_canonical":null,"ml_categories_json":"","ml_types_json":"","ml_intent_types_json":"","meta_language":"en-us","attrs_author":"Jessica Nye","attrs_publish_time":1757424759,"attrs_original_publish_time":1757424759,"attrs_is_republished":0,"attrs_nr_words":"904","attrs_boilerpipe_nr_words":"537","body_ext_links_number":42,"body_int_links_number":22,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":0,"src_redirect":"","download_time_msec":1270,"download_ttfb_msec":1265,"download_size":20192}

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	PASS	`download_stamp > now() - 6 MONTH`	0.6 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.sleepwakeadvisor.com/news/covid19-pandemic-associated-with-accelerated-brain-aging/
Last Crawled	2026-05-15 21:06:18 (18 days ago)
First Indexed	2025-09-09 14:07:46 (8 months ago)
HTTP Status Code	200
Content
Meta Title	The COVID-19 Pandemic Is Associated With Accelerated Brain Aging
Meta Description	The COVID-19 pandemic is associated with accelerated rates of gray and white matter aging, even among those not infected with SARS-CoV-2.
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	Jessica Nye
Publish Time	2025-09-09 13:32:39 (8 months ago)
Original Publish Time	2025-09-09 13:32:39 (8 months ago)
Republished	No
Word Count (Total)	904
Word Count (Content)	537
Links
External Links	42
Internal Links	22
Technical SEO
Meta Nofollow	No
Meta Noarchive	No
JS Rendered	No
Redirect Target	null
Performance
Download Time (ms)	1,270
TTFB (ms)	1,265
Download Size (bytes)	20,192
Location
Host ID	143 (laksa143)
Partition ID	42
Root Hash	14464888561584188543
Unparsed URL	com,sleepwakeadvisor!www,/news/covid19-pandemic-associated-with-accelerated-brain-aging/ s443

🕷️ Crawler Inspector

URL Lookup

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1. Shard Calculation

Query:

Response:

2. Crawled Status Check

Query:

Response:

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

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