Crawler Inspector

1. Shard Calculation

Query:

Response:

Calculated Shard: 77 (from laksa194)

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/@kyrinstitute/string-theory-parallel-universe-500e45f1ae62\')), getAhrefsUnparsedNoserviceFromURL(\'https://medium.com/@kyrinstitute/string-theory-parallel-universe-500e45f1ae62\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/medium.com\/@kyrinstitute\/string-theory-parallel-universe-500e45f1ae62","crawl_time":1758706541,"first_indexed_time":0,"http_code":200,"src_unparsed":"com,medium!\/@kyrinstitute\/string-theory-parallel-universe-500e45f1ae62 s443","src_root_hash":"13179037029838926277","history_drop_reason":null,"meta_title":"String Theory & Parallel Universe | by Kolej Yayasan UEM Research Institute | Medium","meta_descriptions":["String Theory & Parallel Universe by Chai Yik Xin Introduction When we talk about Theoretical Physics, people consider it overly complicated to understand as abstract concepts are difficult to …"],"meta_canonical":null,"ml_categories_json":"","ml_types_json":"","ml_intent_types_json":"","meta_language":"en","attrs_author":null,"attrs_publish_time":1691168273,"attrs_original_publish_time":1691168273,"attrs_is_republished":0,"attrs_nr_words":"1596","attrs_boilerpipe_nr_words":"1445","body_ext_links_number":20,"body_int_links_number":24,"meta_nofollow":0,"meta_noarchive":1,"props_was_rendered":0,"src_redirect":"","download_time_msec":546,"download_ttfb_msec":544,"download_size":35790}

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	FAIL	`download_stamp > now() - 6 MONTH`	8.4 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/@kyrinstitute/string-theory-parallel-universe-500e45f1ae62
Last Crawled	2025-09-24 09:35:41 (8 months ago)
First Indexed	not set
HTTP Status Code	200
Content
Meta Title	String Theory & Parallel Universe \| by Kolej Yayasan UEM Research Institute \| Medium
Meta Description	String Theory & Parallel Universe by Chai Yik Xin Introduction When we talk about Theoretical Physics, people consider it overly complicated to understand as abstract concepts are difficult to …
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	2023-08-04 16:57:53 (2 years ago)
Original Publish Time	2023-08-04 16:57:53 (2 years ago)
Republished	No
Word Count (Total)	1,596
Word Count (Content)	1,445
Links
External Links	20
Internal Links	24
Technical SEO
Meta Nofollow	No
Meta Noarchive	Yes
JS Rendered	No
Redirect Target	null
Performance
Download Time (ms)	546
TTFB (ms)	544
Download Size (bytes)	35,790
Location
Host ID	77 (laksa077)
Partition ID	31
Root Hash	13179037029838926277
Unparsed URL	com,medium!/@kyrinstitute/string-theory-parallel-universe-500e45f1ae62 s443

🕷️ Crawler Inspector

URL Lookup

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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