Crawler Inspector

1. Shard Calculation

Query:

Response:

Calculated Shard: 114 (from laksa093)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa114.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 = 92 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://onlinelibrary.wiley.com/doi/10.1002/smll.202503963\')), getAhrefsUnparsedNoserviceFromURL(\'https://onlinelibrary.wiley.com/doi/10.1002/smll.202503963\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/smll.202503963","crawl_time":1757773388,"first_indexed_time":0,"http_code":200,"src_unparsed":"com,wiley!onlinelibrary,\/doi\/10.1002\/smll.202503963 s443","src_root_hash":"1149036049361938514","history_drop_reason":null,"meta_title":"Surface Modification of Zirconium Alloy with Nanocrystalline Diamond: Enhancing Quenching Performance for Accident Tolerant Fuel - Xu - Small - Wiley Online Library","meta_descriptions":["To enhance Zr fuel cladding's accident tolerance, a nanocrystalline diamond (NCD) coating is applied via hot-filament chemical vapor deposition (HFCVD). Tests show the NCD coating significantly impro...","Abstract Nuclear energy remains a critical component of the global energy, yet its safety, particularly under extreme conditions, has been a major concern since the Fukushima Daiichi accident. Zirc..."],"meta_canonical":null,"ml_categories_json":"","ml_types_json":"","ml_intent_types_json":"","meta_language":"en","attrs_author":null,"attrs_publish_time":0,"attrs_original_publish_time":1757773388,"attrs_is_republished":0,"attrs_nr_words":"2837","attrs_boilerpipe_nr_words":"220","body_ext_links_number":6,"body_int_links_number":211,"meta_nofollow":0,"meta_noarchive":1,"props_was_rendered":0,"src_redirect":"","download_time_msec":505,"download_ttfb_msec":230,"download_size":36087}

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	FAIL	`download_stamp > now() - 6 MONTH`	8.8 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://onlinelibrary.wiley.com/doi/10.1002/smll.202503963
Last Crawled	2025-09-13 14:23:08 (8 months ago)
First Indexed	not set
HTTP Status Code	200
Content
Meta Title	Surface Modification of Zirconium Alloy with Nanocrystalline Diamond: Enhancing Quenching Performance for Accident Tolerant Fuel - Xu - Small - Wiley Online Library
Meta Description	To enhance Zr fuel cladding's accident tolerance, a nanocrystalline diamond (NCD) coating is applied via hot-filament chemical vapor deposition (HFCVD). Tests show the NCD coating significantly impro..., Abstract Nuclear energy remains a critical component of the global energy, yet its safety, particularly under extreme conditions, has been a major concern since the Fukushima Daiichi accident. Zirc...
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	not set
Original Publish Time	2025-09-13 14:23:08 (8 months ago)
Republished	No
Word Count (Total)	2,837
Word Count (Content)	220
Links
External Links	6
Internal Links	211
Technical SEO
Meta Nofollow	No
Meta Noarchive	Yes
JS Rendered	No
Redirect Target	null
Performance
Download Time (ms)	505
TTFB (ms)	230
Download Size (bytes)	36,087
Location
Host ID	114 (laksa114)
Partition ID	92
Root Hash	1149036049361938514
Unparsed URL	com,wiley!onlinelibrary,/doi/10.1002/smll.202503963 s443

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