Crawler Inspector

1. Shard Calculation

Query:

Response:

Calculated Shard: 8 (from laksa199)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa008.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 = 11 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://blog.csdn.net/qq_29715355/article/details/148310349\')), getAhrefsUnparsedNoserviceFromURL(\'https://blog.csdn.net/qq_29715355/article/details/148310349\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/blog.csdn.net\/qq_29715355\/article\/details\/148310349","crawl_time":1774496191,"first_indexed_time":1751718224,"http_code":200,"src_unparsed":"net,csdn!blog,\/qq_29715355\/article\/details\/148310349 s443","src_root_hash":"14895566225899102208","history_drop_reason":null,"meta_title":"var functionName = function() {} vs function functionName() {}_js function(){} 和 name : ()=>{}区别-CSDN博客","meta_descriptions":["文章浏览阅读525次，点赞3次，收藏7次。在 JavaScript 中，有两种常见的定义函数的方式：函数表达式（）和函数声明（虽然它们都能创建函数，但在行为和使用场景上存在一些差异。了解这些差异对于编写高质量、可维护的 JavaScript 代码至关重要。_js function(){} 和 name : ()=>{}区别"],"meta_canonical":null,"ml_categories_json":"","ml_types_json":"","ml_intent_types_json":"","meta_language":"zh-cn","attrs_author":null,"attrs_publish_time":0,"attrs_original_publish_time":1751718224,"attrs_is_republished":0,"attrs_nr_words":"1495","attrs_boilerpipe_nr_words":"293","body_ext_links_number":3,"body_int_links_number":59,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":0,"src_redirect":"","download_time_msec":1669,"download_ttfb_msec":1476,"download_size":27147}

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	PASS	`download_stamp > now() - 6 MONTH`	2.3 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://blog.csdn.net/qq_29715355/article/details/148310349
Last Crawled	2026-03-26 03:36:31 (2 months ago)
First Indexed	2025-07-05 12:23:44 (11 months ago)
HTTP Status Code	200
Content
Meta Title	var functionName = function() {} vs function functionName() {}_js function(){} 和 name : ()=>{}区别-CSDN博客
Meta Description	文章浏览阅读525次，点赞3次，收藏7次。在 JavaScript 中，有两种常见的定义函数的方式：函数表达式（）和函数声明（虽然它们都能创建函数，但在行为和使用场景上存在一些差异。了解这些差异对于编写高质量、可维护的 JavaScript 代码至关重要。_js function(){} 和 name : ()=>{}区别
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-cn
Author	null
Publish Time	not set
Original Publish Time	2025-07-05 12:23:44 (11 months ago)
Republished	No
Word Count (Total)	1,495
Word Count (Content)	293
Links
External Links	3
Internal Links	59
Technical SEO
Meta Nofollow	No
Meta Noarchive	No
JS Rendered	No
Redirect Target	null
Performance
Download Time (ms)	1,669
TTFB (ms)	1,476
Download Size (bytes)	27,147
Location
Host ID	8 (laksa008)
Partition ID	11
Root Hash	14895566225899102208
Unparsed URL	net,csdn!blog,/qq_29715355/article/details/148310349 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

Page Info Filters

Page Details