Crawler Inspector

1. Shard Calculation

Query:

Response:

Calculated Shard: 189 (from laksa072)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa189.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 = 37 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://slaptijack.com/programming/strategies-for-storing-php-sessions.html\')), getAhrefsUnparsedNoserviceFromURL(\'https://slaptijack.com/programming/strategies-for-storing-php-sessions.html\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/slaptijack.com\/programming\/strategies-for-storing-php-sessions.html","crawl_time":1779854674,"first_indexed_time":1696618762,"http_code":200,"src_unparsed":"com,slaptijack!\/programming\/strategies-for-storing-php-sessions.html s443","src_root_hash":"16862457248675447589","history_drop_reason":null,"meta_title":"Strategies for Storing PHP Sessions | slaptijack","meta_descriptions":["Storing PHP sessions effectively is crucial for managing user data and maintaining session persistence in web applications. PHP provides multiple options for session storage, and the choice depends on factors like performance, scalability, and the specific needs of your application. Here are some strategies for storing PHP sessions: File-based Session …"],"meta_canonical":null,"ml_categories_json":"","ml_types_json":"","ml_intent_types_json":"","meta_language":"en","attrs_author":"Scott Hebert","attrs_publish_time":1696568400,"attrs_original_publish_time":1696568400,"attrs_is_republished":0,"attrs_nr_words":"632","attrs_boilerpipe_nr_words":"575","body_ext_links_number":10,"body_int_links_number":10,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":0,"src_redirect":"","download_time_msec":126,"download_ttfb_msec":126,"download_size":12949}

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://slaptijack.com/programming/strategies-for-storing-php-sessions.html
Last Crawled	2026-05-27 04:04:34 (7 days ago)
First Indexed	2023-10-06 18:59:22 (2 years ago)
HTTP Status Code	200
Content
Meta Title	Strategies for Storing PHP Sessions \| slaptijack
Meta Description	Storing PHP sessions effectively is crucial for managing user data and maintaining session persistence in web applications. PHP provides multiple options for session storage, and the choice depends on factors like performance, scalability, and the specific needs of your application. Here are some strategies for storing PHP sessions: File-based Session …
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	Scott Hebert
Publish Time	2023-10-06 05:00:00 (2 years ago)
Original Publish Time	2023-10-06 05:00:00 (2 years ago)
Republished	No
Word Count (Total)	632
Word Count (Content)	575
Links
External Links	10
Internal Links	10
Technical SEO
Meta Nofollow	No
Meta Noarchive	No
JS Rendered	No
Redirect Target	null
Performance
Download Time (ms)	126
TTFB (ms)	126
Download Size (bytes)	12,949
Location
Host ID	189 (laksa189)
Partition ID	37
Root Hash	16862457248675447589
Unparsed URL	com,slaptijack!/programming/strategies-for-storing-php-sessions.html s443

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