Crawler Inspector

1. Shard Calculation

Query:

Response:

Calculated Shard: 98 (from laksa011)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa098.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 = 83 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.skyline.com.sg/about-us/blogs/457.html\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.skyline.com.sg/about-us/blogs/457.html\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.skyline.com.sg\/about-us\/blogs\/457.html","crawl_time":1779506300,"first_indexed_time":1741892152,"http_code":200,"src_unparsed":"sg,com,skyline!www,\/about-us\/blogs\/457.html s443","src_root_hash":"6252979562430436698","history_drop_reason":null,"meta_title":"Four Possible Reasons for Singapore EP Rejection_Skyline Business","meta_descriptions":["In recent years, EP applications have become increasingly difficult, In view of this, we have classified and organized the four most common reasons for EP rejection. Let's take a look together to effectively avoid pitfalls."],"meta_canonical":null,"ml_categories_json":"","ml_types_json":"","ml_intent_types_json":"","meta_language":null,"attrs_author":null,"attrs_publish_time":0,"attrs_original_publish_time":1741892152,"attrs_is_republished":0,"attrs_nr_words":"682","attrs_boilerpipe_nr_words":"451","body_ext_links_number":6,"body_int_links_number":35,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":0,"src_redirect":"","download_time_msec":531,"download_ttfb_msec":531,"download_size":6823}

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	PASS	`download_stamp > now() - 6 MONTH`	0.4 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.skyline.com.sg/about-us/blogs/457.html
Last Crawled	2026-05-23 03:18:20 (11 days ago)
First Indexed	2025-03-13 18:55:52 (1 year ago)
HTTP Status Code	200
Content
Meta Title	Four Possible Reasons for Singapore EP Rejection_Skyline Business
Meta Description	In recent years, EP applications have become increasingly difficult, In view of this, we have classified and organized the four most common reasons for EP rejection. Let's take a look together to effectively avoid pitfalls.
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	null
Author	null
Publish Time	not set
Original Publish Time	2025-03-13 18:55:52 (1 year ago)
Republished	No
Word Count (Total)	682
Word Count (Content)	451
Links
External Links	6
Internal Links	35
Technical SEO
Meta Nofollow	No
Meta Noarchive	No
JS Rendered	No
Redirect Target	null
Performance
Download Time (ms)	531
TTFB (ms)	531
Download Size (bytes)	6,823
Location
Host ID	98 (laksa098)
Partition ID	83
Root Hash	6252979562430436698
Unparsed URL	sg,com,skyline!www,/about-us/blogs/457.html s443

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1. Shard Calculation

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2. Crawled Status Check

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Response:

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4. Spam/Ban Check

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5. Seen Status Check

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