🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 16 (from laksa171)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa016.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 = 67 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://time.geekbang.org/course/intro/100023001\')), getAhrefsUnparsedNoserviceFromURL(\'https://time.geekbang.org/course/intro/100023001\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/time.geekbang.org\/course\/intro\/100023001","crawl_time":1774558810,"first_indexed_time":1570428927,"http_code":200,"src_unparsed":"org,geekbang!time,\/course\/intro\/100023001 s443","src_root_hash":"14081775683589953416","history_drop_reason":null,"meta_title":"TensorFlow 快速入门与实战","meta_descriptions":["极客时间推出的TensorFlow快速入门与实战是帮助互联网从业者学习TensorFlow、深度学习的在线课程，极客时间是面向IT领域的知识服务产品，致力于帮助用户轻松学习，高效学习。"],"meta_canonical":null,"ml_categories_json":"{\"\/Computers_and_Electronics\":707,\"\/Jobs_and_Education\":603,\"\/Jobs_and_Education\/Education\":602,\"\/Computers_and_Electronics\/Software\":516,\"\/Computers_and_Electronics\/Software\/Educational_Software\":459,\"\/Jobs_and_Education\/Education\/Computer_Education\":268,\"\/Internet_and_Telecom\":258,\"\/Internet_and_Telecom\/Web_Services\":246}","ml_types_json":"{\"\/Core_Page\":370,\"\/Core_Page\/Services_Page\":367}","ml_intent_types_json":"{\"Commercial\":682,\"Informational\":355,\"Transactional\":287}","meta_language":null,"attrs_author":null,"attrs_publish_time":0,"attrs_original_publish_time":1570428927,"attrs_is_republished":0,"attrs_nr_words":"217","attrs_boilerpipe_nr_words":"39","body_ext_links_number":7,"body_int_links_number":16,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":0,"src_redirect":"","download_time_msec":1303,"download_ttfb_msec":743,"download_size":185027}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 16 · Partition 67

laksa016

14081775683589953416

📄

INDEXABLE

✅

CRAWLED

2 months 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`	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

Page Details

Property

Value

URL

https://time.geekbang.org/course/intro/100023001

Last Crawled

2026-03-26 21:00:10 (2 months ago)

First Indexed

2019-10-07 06:15:27 (6 years ago)

HTTP Status Code

200

Content

Meta Title

TensorFlow 快速入门与实战

Meta Description

极客时间推出的TensorFlow快速入门与实战是帮助互联网从业者学习TensorFlow、深度学习的在线课程，极客时间是面向IT领域的知识服务产品，致力于帮助用户轻松学习，高效学习。

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

/Computers_and_Electronics		70.7%
/Jobs_and_Education		60.3%
/Jobs_and_Education/Education		60.2%
/Computers_and_Electronics/Software		51.6%
/Computers_and_Electronics/Software/Educational_Software		45.9%
/Jobs_and_Education/Education/Computer_Education		26.8%
/Internet_and_Telecom		25.8%
/Internet_and_Telecom/Web_Services		24.6%

Raw JSON

{
    "/Computers_and_Electronics": 707,
    "/Jobs_and_Education": 603,
    "/Jobs_and_Education/Education": 602,
    "/Computers_and_Electronics/Software": 516,
    "/Computers_and_Electronics/Software/Educational_Software": 459,
    "/Jobs_and_Education/Education/Computer_Education": 268,
    "/Internet_and_Telecom": 258,
    "/Internet_and_Telecom/Web_Services": 246
}

ML Page Types

/Core_Page		37.0%
/Core_Page/Services_Page		36.7%

Raw JSON

{
    "/Core_Page": 370,
    "/Core_Page/Services_Page": 367
}

ML Intent Types

Commercial		68.2%
Informational		35.5%
Transactional		28.7%

Raw JSON

{
    "Commercial": 682,
    "Informational": 355,
    "Transactional": 287
}

Content Metadata

Language

null

Author

null

Publish Time

not set

Original Publish Time

2019-10-07 06:15:27 (6 years ago)

Republished

Word Count (Total)

217

Word Count (Content)

Links

External Links

Internal Links

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Redirect Target

null

Performance

Download Time (ms)

1,303

TTFB (ms)

743

Download Size (bytes)

185,027

Location

Host ID

16 (laksa016)

Partition ID

Root Hash

14081775683589953416

Unparsed URL

org,geekbang!time,/course/intro/100023001 s443