Crawler Inspector

1. Shard Calculation

Query:

Response:

Calculated Shard: 51 (from laksa028)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa051.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 = 62 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.swimming.hk/age/age4-6/\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.swimming.hk/age/age4-6/\'))) FORMAT JSONEachRow'

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	PASS	`download_stamp > now() - 6 MONTH`	0.2 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.swimming.hk/age/age4-6/
Last Crawled	2026-05-28 01:40:45 (6 days ago)
First Indexed	2020-10-17 21:50:37 (5 years ago)
HTTP Status Code	200
Content
Meta Title	4-6歲 \| 私人游泳教練
Meta Description	4-6歲幼兒游泳班，首要練習不怕水、將頭放入水中，能夠在水中自由活動為主。部份大肌肉發展較快或5-6歲兒童，可以學習簡單泳式，部份發育較快的兒童，可以學習一至兩種泳式，或開始在深水池練習。部份幼兒心理因素往往影響游泳的進度，如怕接觸陌生人(教練)，怕接觸新事物......
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	null
Publish Time	not set
Original Publish Time	2020-10-17 21:50:37 (5 years ago)
Republished	No
Word Count (Total)	107
Word Count (Content)	6
Links
External Links	9
Internal Links	25
Technical SEO
Meta Nofollow	No
Meta Noarchive	No
JS Rendered	No
Redirect Target	null
Performance
Download Time (ms)	3,243
TTFB (ms)	3,243
Download Size (bytes)	17,494
Location
Host ID	51 (laksa051)
Partition ID	62
Root Hash	15635265497334352451
Unparsed URL	hk,swimming!www,/age/age4-6/ s443

🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

1. Shard Calculation

Query:

Response:

2. Crawled Status Check

Query:

Response:

3. Robots.txt Check

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Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

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