Crawler Inspector

1. Shard Calculation

Query:

Response:

Calculated Shard: 142 (from laksa120)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa142.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 = 30 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.whampoa.org.hk/8-year-old-learn-swim/\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.whampoa.org.hk/8-year-old-learn-swim/\'))) FORMAT JSONEachRow'

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://www.whampoa.org.hk/8-year-old-learn-swim/
Last Crawled	2026-05-25 07:25:39 (9 days ago)
First Indexed	2020-08-21 23:26:24 (5 years ago)
HTTP Status Code	200
Content
Meta Title	孩子8歲學游泳還可以參加1:2游泳班嗎？ - 黃埔體育會
Meta Description	我們的1:2超小班游泳班，是專為3－6歲的小朋友而設的。最近有家長問，想小朋友8歲學游泳，還可以參加 1對2 的游泳班嗎？如果有學過游泳，有點基礎，8歲的孩子可以參加我們的小組兒童游泳班。但如果小朋友是零基礎／或怕水的孩童，儘管已經是超過6歲，7歲8歲的話，我們建議還是先參加一期 1對2
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	zh-hk
Author	Ricky Kan
Publish Time	2020-08-21 11:17:58 (5 years ago)
Original Publish Time	2020-08-21 11:17:58 (5 years ago)
Republished	No
Word Count (Total)	272
Word Count (Content)	39
Links
External Links	8
Internal Links	98
Technical SEO
Meta Nofollow	No
Meta Noarchive	No
JS Rendered	No
Redirect Target	null
Performance
Download Time (ms)	888
TTFB (ms)	881
Download Size (bytes)	17,085
Location
Host ID	142 (laksa142)
Partition ID	30
Root Hash	3373198528288386142
Unparsed URL	hk,org,whampoa!www,/8-year-old-learn-swim/ s443

🕷️ Crawler Inspector

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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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