Crawler Inspector

1. Shard Calculation

Query:

Response:

Calculated Shard: 181 (from laksa135)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa181.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.finalroundai.com/articles/bellman-ford-algorithm\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.finalroundai.com/articles/bellman-ford-algorithm\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.finalroundai.com\/articles\/bellman-ford-algorithm","crawl_time":1779209619,"first_indexed_time":1754248405,"http_code":200,"src_unparsed":"com,finalroundai!www,\/articles\/bellman-ford-algorithm s443","src_root_hash":"8075799420860259781","history_drop_reason":null,"meta_title":"Bellman Ford Algorithm (With Visualization and Code Examples)","meta_descriptions":["Learn how to implement the Bellman Ford algorithm in Python, C++, and Java with complete code examples and handle negative edge weights in graph paths."],"meta_canonical":null,"ml_categories_json":"","ml_types_json":"","ml_intent_types_json":"","meta_language":"en","attrs_author":"Raj Aryan","attrs_publish_time":0,"attrs_original_publish_time":1754248405,"attrs_is_republished":0,"attrs_nr_words":"1654","attrs_boilerpipe_nr_words":"1230","body_ext_links_number":11,"body_int_links_number":40,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":0,"src_redirect":"","download_time_msec":460,"download_ttfb_msec":439,"download_size":36313}

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	PASS	`download_stamp > now() - 6 MONTH`	0.5 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.finalroundai.com/articles/bellman-ford-algorithm
Last Crawled	2026-05-19 16:53:39 (14 days ago)
First Indexed	2025-08-03 19:13:25 (10 months ago)
HTTP Status Code	200
Content
Meta Title	Bellman Ford Algorithm (With Visualization and Code Examples)
Meta Description	Learn how to implement the Bellman Ford algorithm in Python, C++, and Java with complete code examples and handle negative edge weights in graph paths.
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	Raj Aryan
Publish Time	not set
Original Publish Time	2025-08-03 19:13:25 (10 months ago)
Republished	No
Word Count (Total)	1,654
Word Count (Content)	1,230
Links
External Links	11
Internal Links	40
Technical SEO
Meta Nofollow	No
Meta Noarchive	No
JS Rendered	No
Redirect Target	null
Performance
Download Time (ms)	460
TTFB (ms)	439
Download Size (bytes)	36,313
Location
Host ID	181 (laksa181)
Partition ID	98
Root Hash	8075799420860259781
Unparsed URL	com,finalroundai!www,/articles/bellman-ford-algorithm s443

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1. Shard Calculation

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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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