Crawler Inspector

1. Shard Calculation

Query:

Response:

Calculated Shard: 77 (from laksa175)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa077.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 = 31 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://medium.com/@stealthion/why-cant-we-have-cats-in-hdb-flats-057c9d2c47c4\')), getAhrefsUnparsedNoserviceFromURL(\'https://medium.com/@stealthion/why-cant-we-have-cats-in-hdb-flats-057c9d2c47c4\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/medium.com\/@stealthion\/why-cant-we-have-cats-in-hdb-flats-057c9d2c47c4","crawl_time":1773934765,"first_indexed_time":0,"http_code":200,"src_unparsed":"com,medium!\/@stealthion\/why-cant-we-have-cats-in-hdb-flats-057c9d2c47c4 s443","src_root_hash":"13179037029838926277","history_drop_reason":null,"meta_title":"Why can’t we have cats in HDB flats? | by Noi | Medium","meta_descriptions":["Why can’t we have cats in HDB flats? Update: This story was first published on January 16, 2017. In 2024, a bill was passed to legally allow the ownership of up to two cats in a HDB residential …"],"meta_canonical":null,"ml_categories_json":"","ml_types_json":"","ml_intent_types_json":"","meta_language":"en","attrs_author":null,"attrs_publish_time":1720016246,"attrs_original_publish_time":0,"attrs_is_republished":1,"attrs_nr_words":"1195","attrs_boilerpipe_nr_words":"1118","body_ext_links_number":18,"body_int_links_number":26,"meta_nofollow":0,"meta_noarchive":1,"props_was_rendered":0,"src_redirect":"","download_time_msec":508,"download_ttfb_msec":507,"download_size":31699}

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	PASS	`download_stamp > now() - 6 MONTH`	2.5 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://medium.com/@stealthion/why-cant-we-have-cats-in-hdb-flats-057c9d2c47c4
Last Crawled	2026-03-19 15:39:25 (2 months ago)
First Indexed	not set
HTTP Status Code	200
Content
Meta Title	Why can’t we have cats in HDB flats? \| by Noi \| Medium
Meta Description	Why can’t we have cats in HDB flats? Update: This story was first published on January 16, 2017. In 2024, a bill was passed to legally allow the ownership of up to two cats in a HDB residential …
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	2024-07-03 14:17:26 (1 year ago)
Original Publish Time	not set
Republished	Yes
Word Count (Total)	1,195
Word Count (Content)	1,118
Links
External Links	18
Internal Links	26
Technical SEO
Meta Nofollow	No
Meta Noarchive	Yes
JS Rendered	No
Redirect Target	null
Performance
Download Time (ms)	508
TTFB (ms)	507
Download Size (bytes)	31,699
Location
Host ID	77 (laksa077)
Partition ID	31
Root Hash	13179037029838926277
Unparsed URL	com,medium!/@stealthion/why-cant-we-have-cats-in-hdb-flats-057c9d2c47c4 s443

🕷️ Crawler Inspector

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1. Shard Calculation

Query:

Response:

2. Crawled Status Check

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Response:

3. Robots.txt Check

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Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

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