🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 46 (from laksa082)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa046.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 = 26 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.cnblogs.com/eilearn/p/9433911.html\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.cnblogs.com/eilearn/p/9433911.html\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.cnblogs.com\/eilearn\/p\/9433911.html","crawl_time":1777387493,"first_indexed_time":1561570330,"http_code":200,"src_unparsed":"com,cnblogs!www,\/eilearn\/p\/9433911.html s443","src_root_hash":"10938660598884985246","history_drop_reason":null,"meta_title":"机器学习（二十五）— 极大似然估计（MLE）、贝叶斯估计、最大后验概率估计（MAP）区别 - 深度机器学习 - 博客园","meta_descriptions":["最大似然估计（Maximum likelihood estimation, 简称MLE）和最大后验概率估计（Maximum aposteriori estimation, 简称MAP）是很常用的两种参数估计方法。 1、最大似然估计（MLE） 在已知试验结果（即是样本）的情况下，用来估计满足这些样本分"],"meta_canonical":null,"ml_categories_json":"{\"\/Science\":809,\"\/Science\/Computer_Science\":729,\"\/Science\/Computer_Science\/Machine_Learning_and_Artificial_Intelligence\":721,\"\/Computers_and_Electronics\":205,\"\/Computers_and_Electronics\/Software\":171,\"\/Computers_and_Electronics\/Software\/Educational_Software\":154}","ml_types_json":"{\"\/Article\":998,\"\/Article\/Tutorial_or_Guide\":743}","ml_intent_types_json":"{\"Informational\":999}","meta_language":"zh-cn","attrs_author":"深度机器学习","attrs_publish_time":0,"attrs_original_publish_time":1561570330,"attrs_is_republished":0,"attrs_nr_words":"255","attrs_boilerpipe_nr_words":"175","body_ext_links_number":6,"body_int_links_number":29,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":1,"src_redirect":"","download_time_msec":887,"download_ttfb_msec":841,"download_size":11034}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 46 · Partition 26

laksa046

10938660598884985246

📄

INDEXABLE

✅

CRAWLED

1 month ago

🤖

ROBOTS ALLOWED

Page Info Filters

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	PASS	`download_stamp > now() - 6 MONTH`	1.2 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

Page Details

Property

Value

URL

https://www.cnblogs.com/eilearn/p/9433911.html

Last Crawled

2026-04-28 14:44:53 (1 month ago)

First Indexed

2019-06-26 17:32:10 (6 years ago)

HTTP Status Code

200

Content

Meta Title

机器学习（二十五）— 极大似然估计（MLE）、贝叶斯估计、最大后验概率估计（MAP）区别 - 深度机器学习 - 博客园

Meta Description

最大似然估计（Maximum likelihood estimation, 简称MLE）和最大后验概率估计（Maximum aposteriori estimation, 简称MAP）是很常用的两种参数估计方法。 1、最大似然估计（MLE）在已知试验结果（即是样本）的情况下，用来估计满足这些样本分

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

/Science		80.9%
/Science/Computer_Science		72.9%
/Science/Computer_Science/Machine_Learning_and_Artificial_Intelligence		72.1%
/Computers_and_Electronics		20.5%
/Computers_and_Electronics/Software		17.1%
/Computers_and_Electronics/Software/Educational_Software		15.4%

Raw JSON

{
    "/Science": 809,
    "/Science/Computer_Science": 729,
    "/Science/Computer_Science/Machine_Learning_and_Artificial_Intelligence": 721,
    "/Computers_and_Electronics": 205,
    "/Computers_and_Electronics/Software": 171,
    "/Computers_and_Electronics/Software/Educational_Software": 154
}

ML Page Types

/Article		99.8%
/Article/Tutorial_or_Guide		74.3%

Raw JSON

{
    "/Article": 998,
    "/Article/Tutorial_or_Guide": 743
}

ML Intent Types

Informational

99.9%

Raw JSON

{
    "Informational": 999
}

Content Metadata

Language

zh-cn

Author

深度机器学习

Publish Time

not set

Original Publish Time

2019-06-26 17:32:10 (6 years ago)

Republished

Word Count (Total)

255

Word Count (Content)

175

Links

External Links

Internal Links

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Yes

Redirect Target

null

Performance

Download Time (ms)

887

TTFB (ms)

841

Download Size (bytes)

11,034

Location

Host ID

46 (laksa046)

Partition ID

Root Hash

10938660598884985246

Unparsed URL

com,cnblogs!www,/eilearn/p/9433911.html s443