Crawler Inspector

1. Shard Calculation

Query:

Response:

Calculated Shard: 62 (from laksa038)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa062.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 = 15 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://propertysensei.sg/knowledge/bsd-absd-singapore/\')), getAhrefsUnparsedNoserviceFromURL(\'https://propertysensei.sg/knowledge/bsd-absd-singapore/\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/propertysensei.sg\/knowledge\/bsd-absd-singapore\/","crawl_time":1779672056,"first_indexed_time":1735575426,"http_code":200,"src_unparsed":"sg,propertysensei!\/knowledge\/bsd-absd-singapore\/ s443","src_root_hash":"16554015620517383062","history_drop_reason":null,"meta_title":"Understanding Buyer's Stamp Duty (BSD) and Additional Buyer's Stamp Duty (ABSD) in Singapore: What Property Buyers Should Know - Property Sensei","meta_descriptions":["If you're looking to buy a property in Singapore, you must grasp the various taxes and duties you'll encounter, such as the Buyer's Stamp Duty (BSD) and"],"meta_canonical":null,"ml_categories_json":"","ml_types_json":"","ml_intent_types_json":"","meta_language":"en-gb","attrs_author":"Dorian Tan","attrs_publish_time":1724090322,"attrs_original_publish_time":1724090322,"attrs_is_republished":0,"attrs_nr_words":"1976","attrs_boilerpipe_nr_words":"259","body_ext_links_number":6,"body_int_links_number":16,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":0,"src_redirect":"","download_time_msec":3341,"download_ttfb_msec":3337,"download_size":36944}

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	PASS	`download_stamp > now() - 6 MONTH`	0.3 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://propertysensei.sg/knowledge/bsd-absd-singapore/
Last Crawled	2026-05-25 01:20:56 (9 days ago)
First Indexed	2024-12-30 16:17:06 (1 year ago)
HTTP Status Code	200
Content
Meta Title	Understanding Buyer's Stamp Duty (BSD) and Additional Buyer's Stamp Duty (ABSD) in Singapore: What Property Buyers Should Know - Property Sensei
Meta Description	If you're looking to buy a property in Singapore, you must grasp the various taxes and duties you'll encounter, such as the Buyer's Stamp Duty (BSD) and
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-gb
Author	Dorian Tan
Publish Time	2024-08-19 17:58:42 (1 year ago)
Original Publish Time	2024-08-19 17:58:42 (1 year ago)
Republished	No
Word Count (Total)	1,976
Word Count (Content)	259
Links
External Links	6
Internal Links	16
Technical SEO
Meta Nofollow	No
Meta Noarchive	No
JS Rendered	No
Redirect Target	null
Performance
Download Time (ms)	3,341
TTFB (ms)	3,337
Download Size (bytes)	36,944
Location
Host ID	62 (laksa062)
Partition ID	15
Root Hash	16554015620517383062
Unparsed URL	sg,propertysensei!/knowledge/bsd-absd-singapore/ s443

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1. Shard Calculation

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Response:

2. Crawled Status Check

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3. Robots.txt Check

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4. Spam/Ban Check

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Response:

5. Seen Status Check

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