Crawler Inspector

1. Shard Calculation

Query:

Response:

Calculated Shard: 167 (from laksa130)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa167.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 = 88 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.esfexplore.org.hk/ch/program_category/swimming/\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.esfexplore.org.hk/ch/program_category/swimming/\'))) 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.esfexplore.org.hk/ch/program_category/swimming/
Last Crawled	2026-05-27 02:36:12 (7 days ago)
First Indexed	2023-08-01 23:02:20 (2 years ago)
HTTP Status Code	200
Content
Meta Title	英語游泳訓練班 \| 另設親子及成人班 \| 資深和合資格教練 - ESF Explore 英基探新
Meta Description	ESF Explore 英基探新提供全港最頂尖的兒童游泳課程。課程以英文授課，分為親子班、兒童游泳班和成人游泳班，適合任何年齡及程度的學生，首堂會為學生進行評估，並安排到合適的級別。高水學生會得到不同公開賽的機會，獲得實戰經驗。
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-hant
Author	null
Publish Time	not set
Original Publish Time	2023-08-01 23:02:20 (2 years ago)
Republished	No
Word Count (Total)	558
Word Count (Content)	52
Links
External Links	12
Internal Links	91
Technical SEO
Meta Nofollow	No
Meta Noarchive	No
JS Rendered	No
Redirect Target	null
Performance
Download Time (ms)	2,224
TTFB (ms)	1,997
Download Size (bytes)	16,295
Location
Host ID	167 (laksa167)
Partition ID	88
Root Hash	12778212954135197767
Unparsed URL	hk,org,esfexplore!www,/ch/program_category/swimming/ s443

🕷️ Crawler Inspector

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Direct Parameter Lookup

1. Shard Calculation

Query:

Response:

2. Crawled Status Check

Query:

Response:

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

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