🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 16 (from laksa024)

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/column/intro/100112401\')), getAhrefsUnparsedNoserviceFromURL(\'https://time.geekbang.org/column/intro/100112401\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/time.geekbang.org\/column\/intro\/100112401","crawl_time":1750517662,"first_indexed_time":1654232915,"http_code":200,"src_unparsed":"org,geekbang!time,\/column\/intro\/100112401 s443","src_root_hash":"14081775683589953416","history_drop_reason":"tooold","meta_title":"说透元宇宙","meta_descriptions":["极客时间推出的说透元宇宙是帮助互联网人学习元宇宙、方军、区块链、区块链技术、AI、芯片、前沿、DAO、Meta、AR、VR、3D、NFT、MR相关知识的在线课程，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\":490,\"\/Jobs_and_Education\":379,\"\/Jobs_and_Education\/Education\":379,\"\/Science\":303,\"\/Internet_and_Telecom\":254,\"\/Science\/Computer_Science\":235,\"\/Internet_and_Telecom\/Web_Services\":230,\"\/Science\/Computer_Science\/Machine_Learning_and_Artificial_Intelligence\":215,\"\/Computers_and_Electronics\/Software\":215,\"\/Computers_and_Electronics\/Software\/Educational_Software\":197,\"\/Jobs_and_Education\/Education\/Distance_Learning\":172}","ml_types_json":"{\"\/Core_Page\":448,\"\/Core_Page\/Services_Page\":433}","ml_intent_types_json":"{\"Informational\":654,\"Commercial\":605,\"Transactional\":105}","meta_language":null,"attrs_author":null,"attrs_publish_time":0,"attrs_original_publish_time":1654232915,"attrs_is_republished":0,"attrs_nr_words":"181","attrs_boilerpipe_nr_words":"40","body_ext_links_number":5,"body_int_links_number":15,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":1,"src_redirect":"","download_time_msec":1082,"download_ttfb_msec":551,"download_size":185208}

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

🚫

NOT INDEXABLE

✅

CRAWLED

11 months ago

🤖

ROBOTS ALLOWED

Page Info Filters

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	FAIL	`download_stamp > now() - 6 MONTH`	11.6 months ago
History drop	FAIL	`isNull(history_drop_reason)`	tooold
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/column/intro/100112401

Last Crawled

2025-06-21 14:54:22 (11 months ago)

First Indexed

2022-06-03 05:08:35 (4 years ago)

HTTP Status Code

200

Content

Meta Title

说透元宇宙

Meta Description

极客时间推出的说透元宇宙是帮助互联网人学习元宇宙、方军、区块链、区块链技术、AI、芯片、前沿、DAO、Meta、AR、VR、3D、NFT、MR相关知识的在线课程，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		49.0%
/Jobs_and_Education		37.9%
/Jobs_and_Education/Education		37.9%
/Science		30.3%
/Internet_and_Telecom		25.4%
/Science/Computer_Science		23.5%
/Internet_and_Telecom/Web_Services		23.0%
/Science/Computer_Science/Machine_Learning_and_Artificial_Intelligence		21.5%
/Computers_and_Electronics/Software		21.5%
/Computers_and_Electronics/Software/Educational_Software		19.7%
/Jobs_and_Education/Education/Distance_Learning		17.2%

Raw JSON

{
    "/Computers_and_Electronics": 490,
    "/Jobs_and_Education": 379,
    "/Jobs_and_Education/Education": 379,
    "/Science": 303,
    "/Internet_and_Telecom": 254,
    "/Science/Computer_Science": 235,
    "/Internet_and_Telecom/Web_Services": 230,
    "/Science/Computer_Science/Machine_Learning_and_Artificial_Intelligence": 215,
    "/Computers_and_Electronics/Software": 215,
    "/Computers_and_Electronics/Software/Educational_Software": 197,
    "/Jobs_and_Education/Education/Distance_Learning": 172
}

ML Page Types

/Core_Page		44.8%
/Core_Page/Services_Page		43.3%

Raw JSON

{
    "/Core_Page": 448,
    "/Core_Page/Services_Page": 433
}

ML Intent Types

Informational		65.4%
Commercial		60.5%
Transactional		10.5%

Raw JSON

{
    "Informational": 654,
    "Commercial": 605,
    "Transactional": 105
}

Content Metadata

Language

null

Author

null

Publish Time

not set

Original Publish Time

2022-06-03 05:08:35 (4 years ago)

Republished

Word Count (Total)

181

Word Count (Content)

Links

External Links

Internal Links

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Yes

Redirect Target

null

Performance

Download Time (ms)

1,082

TTFB (ms)

551

Download Size (bytes)

185,208

Location

Host ID

16 (laksa016)

Partition ID

Root Hash

14081775683589953416

Unparsed URL

org,geekbang!time,/column/intro/100112401 s443