Crawler Inspector

1. Shard Calculation

Query:

Response:

Calculated Shard: 195 (from laksa088)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa195.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 = 21 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://fever.sg/blog/using-currents-to-your-advantage\')), getAhrefsUnparsedNoserviceFromURL(\'https://fever.sg/blog/using-currents-to-your-advantage\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/fever.sg\/blog\/using-currents-to-your-advantage","crawl_time":1778931637,"first_indexed_time":1705167202,"http_code":200,"src_unparsed":"sg,fever!\/blog\/using-currents-to-your-advantage s443","src_root_hash":"15144967815246344395","history_drop_reason":null,"meta_title":"How to choose the best tides for fishing in Singapore — Fever Kayak Fishing Adventures","meta_descriptions":["Whether you're a novice or a seasoned angler, knowing how to navigate the currents is vital when kayak fishing. With this info you’ll save a lot of unneeded paddling and you will always have a good idea of where the fish are biting."],"meta_canonical":null,"ml_categories_json":"","ml_types_json":"","ml_intent_types_json":"","meta_language":"en-us","attrs_author":"Aaron Ang","attrs_publish_time":1552324507,"attrs_original_publish_time":1552324507,"attrs_is_republished":0,"attrs_nr_words":"684","attrs_boilerpipe_nr_words":"491","body_ext_links_number":1,"body_int_links_number":36,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":0,"src_redirect":"","download_time_msec":354,"download_ttfb_msec":343,"download_size":29357}

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://fever.sg/blog/using-currents-to-your-advantage
Last Crawled	2026-05-16 11:40:37 (17 days ago)
First Indexed	2024-01-13 17:33:22 (2 years ago)
HTTP Status Code	200
Content
Meta Title	How to choose the best tides for fishing in Singapore — Fever Kayak Fishing Adventures
Meta Description	Whether you're a novice or a seasoned angler, knowing how to navigate the currents is vital when kayak fishing. With this info you’ll save a lot of unneeded paddling and you will always have a good idea of where the fish are biting.
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	Aaron Ang
Publish Time	2019-03-11 17:15:07 (7 years ago)
Original Publish Time	2019-03-11 17:15:07 (7 years ago)
Republished	No
Word Count (Total)	684
Word Count (Content)	491
Links
External Links	1
Internal Links	36
Technical SEO
Meta Nofollow	No
Meta Noarchive	No
JS Rendered	No
Redirect Target	null
Performance
Download Time (ms)	354
TTFB (ms)	343
Download Size (bytes)	29,357
Location
Host ID	195 (laksa195)
Partition ID	21
Root Hash	15144967815246344395
Unparsed URL	sg,fever!/blog/using-currents-to-your-advantage s443

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1. Shard Calculation

Query:

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2. Crawled Status Check

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4. Spam/Ban Check

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Response:

5. Seen Status Check

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