Crawler Inspector

1. Shard Calculation

Query:

Response:

Calculated Shard: 54 (from laksa121)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa054.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, attrs_boilerpipe_text AS attrs_boilerpipe_text, attrs_markdown AS attrs_markdown, attrs_readable_markdown AS attrs_readable_markdown, meta_canonical AS meta_canonical FROM crawler3.page_info_local FINAL PREWHERE (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.onemap.gov.sg/\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.onemap.gov.sg/\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.onemap.gov.sg\/","crawl_time":1776343390,"first_indexed_time":1555969677,"http_code":200,"src_unparsed":"sg,gov,onemap!www,\/ s443","src_root_hash":"30393778219021654","history_drop_reason":null,"meta_title":"OneMap - Authoritative National Map of Singapore","meta_descriptions":["Search for address location and various geospatial information about Singapore"],"attrs_boilerpipe_text":null,"attrs_markdown":"![Menu Icon](https:\/\/mobile.onemap.gov.sg\/web\/2025\/images\/icons\/menu.svg)\n\n![routing](https:\/\/mobile.onemap.gov.sg\/web\/2025\/images\/icons\/routing.svg)\n\n[![OneMap](https:\/\/mobile.onemap.gov.sg\/web\/2025\/images\/icons\/onemap_logo.svg)](https:\/\/www.onemap.gov.sg\/) Map Data© 2026 SLA \\| [Contact us](https:\/\/go.gov.sg\/onemap-feedback-form) \\| [Terms of Use](https:\/\/www.onemap.gov.sg\/termsofuse) \\| [Report Vulnerability](https:\/\/www.tech.gov.sg\/report_vulnerability)\n\n![OneMap Logo](https:\/\/mobile.onemap.gov.sg\/web\/2025\/images\/icons\/onemap_logo.svg) Map Data©  2026 SLA","attrs_readable_markdown":null,"meta_canonical":null}

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	PASS	`download_stamp > now() - 6 MONTH`	0.1 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.onemap.gov.sg/
Last Crawled	2026-04-16 12:43:10 (1 day ago)
First Indexed	2019-04-22 21:47:57 (6 years ago)
HTTP Status Code	200
Meta Title	OneMap - Authoritative National Map of Singapore
Meta Description	Search for address location and various geospatial information about Singapore
Meta Canonical	null
Boilerpipe Text	null
Markdown	![Menu Icon](https://mobile.onemap.gov.sg/web/2025/images/icons/menu.svg) ![routing](https://mobile.onemap.gov.sg/web/2025/images/icons/routing.svg) [![OneMap](https://mobile.onemap.gov.sg/web/2025/images/icons/onemap_logo.svg)](https://www.onemap.gov.sg/) Map Data© 2026 SLA \\| [Contact us](https://go.gov.sg/onemap-feedback-form) \\| [Terms of Use](https://www.onemap.gov.sg/termsofuse) \\| [Report Vulnerability](https://www.tech.gov.sg/report_vulnerability) ![OneMap Logo](https://mobile.onemap.gov.sg/web/2025/images/icons/onemap_logo.svg) Map Data© 2026 SLA
Readable Markdown	null
Shard	54 (laksa)
Root Hash	30393778219021654
Unparsed URL	sg,gov,onemap!www,/ s443

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1. Shard Calculation

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4. Spam/Ban Check

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5. Seen Status Check

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