Crawler Inspector

1. Shard Calculation

Query:

Response:

Calculated Shard: 110 (from laksa164)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa110.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.medicalnewstoday.com/articles/video-pfizer-vaccine-for-covid-19-side-effects\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.medicalnewstoday.com/articles/video-pfizer-vaccine-for-covid-19-side-effects\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.medicalnewstoday.com\/articles\/video-pfizer-vaccine-for-covid-19-side-effects","crawl_time":1780141895,"first_indexed_time":0,"http_code":200,"src_unparsed":"com,medicalnewstoday!www,\/articles\/video-pfizer-vaccine-for-covid-19-side-effects s443","src_root_hash":"5853625527623639710","history_drop_reason":null,"meta_title":"Pfizer COVID-19 vaccine: What's to know about the side effects","meta_descriptions":["The Pfizer vaccine for COVID-19 is a safe and effective way to protect against the SARS-CoV-2 virus. However, it may cause some side effects. Learn more here."],"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":0,"attrs_is_republished":0,"attrs_nr_words":"612","attrs_boilerpipe_nr_words":"61","body_ext_links_number":21,"body_int_links_number":85,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":0,"src_redirect":"","download_time_msec":800,"download_ttfb_msec":667,"download_size":50523}

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.medicalnewstoday.com/articles/video-pfizer-vaccine-for-covid-19-side-effects
Last Crawled	2026-05-30 11:51:35 (4 days ago)
First Indexed	not set
HTTP Status Code	200
Content
Meta Title	Pfizer COVID-19 vaccine: What's to know about the side effects
Meta Description	The Pfizer vaccine for COVID-19 is a safe and effective way to protect against the SARS-CoV-2 virus. However, it may cause some side effects. Learn more here.
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	not set
Republished	No
Word Count (Total)	612
Word Count (Content)	61
Links
External Links	21
Internal Links	85
Technical SEO
Meta Nofollow	No
Meta Noarchive	No
JS Rendered	No
Redirect Target	null
Performance
Download Time (ms)	800
TTFB (ms)	667
Download Size (bytes)	50,523
Location
Host ID	110 (laksa110)
Partition ID	98
Root Hash	5853625527623639710
Unparsed URL	com,medicalnewstoday!www,/articles/video-pfizer-vaccine-for-covid-19-side-effects s443

🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

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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