Crawler Inspector

1. Shard Calculation

Query:

Response:

Calculated Shard: 153 (from laksa036)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa153.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 = 65 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://stackabuse.com/bytes/check-element-visibility-after-scrolling-with-jquery-or-js/\')), getAhrefsUnparsedNoserviceFromURL(\'https://stackabuse.com/bytes/check-element-visibility-after-scrolling-with-jquery-or-js/\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/stackabuse.com\/bytes\/check-element-visibility-after-scrolling-with-jquery-or-js\/","crawl_time":1778713392,"first_indexed_time":1693232280,"http_code":200,"src_unparsed":"com,stackabuse!\/bytes\/check-element-visibility-after-scrolling-with-jquery-or-js\/ s443","src_root_hash":"1454562548163633153","history_drop_reason":null,"meta_title":"Check Element Visibility After Scrolling with jQuery or JS","meta_descriptions":["In the world of web development, it's often necessary to determine whether an HTML element is visible after scrolling. This can be crucial for a variety of rea..."],"meta_canonical":null,"ml_categories_json":"","ml_types_json":"","ml_intent_types_json":"","meta_language":"en","attrs_author":"Scott Robinson","attrs_publish_time":0,"attrs_original_publish_time":1693232280,"attrs_is_republished":0,"attrs_nr_words":"1127","attrs_boilerpipe_nr_words":"929","body_ext_links_number":7,"body_int_links_number":26,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":0,"src_redirect":"","download_time_msec":636,"download_ttfb_msec":635,"download_size":16618}

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	PASS	`download_stamp > now() - 6 MONTH`	0.7 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://stackabuse.com/bytes/check-element-visibility-after-scrolling-with-jquery-or-js/
Last Crawled	2026-05-13 23:03:12 (20 days ago)
First Indexed	2023-08-28 14:18:00 (2 years ago)
HTTP Status Code	200
Content
Meta Title	Check Element Visibility After Scrolling with jQuery or JS
Meta Description	In the world of web development, it's often necessary to determine whether an HTML element is visible after scrolling. This can be crucial for a variety of rea...
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	Scott Robinson
Publish Time	not set
Original Publish Time	2023-08-28 14:18:00 (2 years ago)
Republished	No
Word Count (Total)	1,127
Word Count (Content)	929
Links
External Links	7
Internal Links	26
Technical SEO
Meta Nofollow	No
Meta Noarchive	No
JS Rendered	No
Redirect Target	null
Performance
Download Time (ms)	636
TTFB (ms)	635
Download Size (bytes)	16,618
Location
Host ID	153 (laksa153)
Partition ID	65
Root Hash	1454562548163633153
Unparsed URL	com,stackabuse!/bytes/check-element-visibility-after-scrolling-with-jquery-or-js/ s443

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1. Shard Calculation

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2. Crawled Status Check

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5. Seen Status Check

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