Crawler Inspector

1. Shard Calculation

Query:

Response:

Calculated Shard: 75 (from laksa190)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa075.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 = 80 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://ask.gov.sg/ica/questions/clos83fvy01ml5k0wtlvnecua\')), getAhrefsUnparsedNoserviceFromURL(\'https://ask.gov.sg/ica/questions/clos83fvy01ml5k0wtlvnecua\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/ask.gov.sg\/ica\/questions\/clos83fvy01ml5k0wtlvnecua","crawl_time":1779827421,"first_indexed_time":1700003729,"http_code":200,"src_unparsed":"sg,gov,ask!\/ica\/questions\/clos83fvy01ml5k0wtlvnecua s443","src_root_hash":"8327969858566136075","history_drop_reason":null,"meta_title":"Immigration & Checkpoints Authority | Do I need a visa to enter Singapore?","meta_descriptions":["You will require a visa to travel and seek entry into Singapore if you hold a travel document issued by one of the countries or places as listed on the ICA website.If you are unable to find your country\/ place and the passport types in the list, please forward a clear scanned copy of the passport\/travel document's front cover and particulars page (i.e. showing holder's full name, nationality, passport number and its date of issue\/expiry) to ICA for assessment.If in doubt, you may contact us via the enquiry form for assistance."],"meta_canonical":null,"ml_categories_json":"","ml_types_json":"","ml_intent_types_json":"","meta_language":"en","attrs_author":null,"attrs_publish_time":1748337629,"attrs_original_publish_time":1700003729,"attrs_is_republished":1,"attrs_nr_words":"303","attrs_boilerpipe_nr_words":"94","body_ext_links_number":10,"body_int_links_number":15,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":0,"src_redirect":"","download_time_msec":390,"download_ttfb_msec":361,"download_size":118514}

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://ask.gov.sg/ica/questions/clos83fvy01ml5k0wtlvnecua
Last Crawled	2026-05-26 20:30:21 (8 days ago)
First Indexed	2023-11-14 23:15:29 (2 years ago)
HTTP Status Code	200
Content
Meta Title	Immigration & Checkpoints Authority \| Do I need a visa to enter Singapore?
Meta Description	You will require a visa to travel and seek entry into Singapore if you hold a travel document issued by one of the countries or places as listed on the ICA website.If you are unable to find your country/ place and the passport types in the list, please forward a clear scanned copy of the passport/travel document's front cover and particulars page (i.e. showing holder's full name, nationality, passport number and its date of issue/expiry) to ICA for assessment.If in doubt, you may contact us via the enquiry form for assistance.
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	null
Publish Time	2025-05-27 09:20:29 (1 year ago)
Original Publish Time	2023-11-14 23:15:29 (2 years ago)
Republished	Yes
Word Count (Total)	303
Word Count (Content)	94
Links
External Links	10
Internal Links	15
Technical SEO
Meta Nofollow	No
Meta Noarchive	No
JS Rendered	No
Redirect Target	null
Performance
Download Time (ms)	390
TTFB (ms)	361
Download Size (bytes)	118,514
Location
Host ID	75 (laksa075)
Partition ID	80
Root Hash	8327969858566136075
Unparsed URL	sg,gov,ask!/ica/questions/clos83fvy01ml5k0wtlvnecua s443

🕷️ Crawler Inspector

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1. Shard Calculation

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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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