🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 22 (from laksa025)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa022.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 = 0 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://training.talkpython.fm/courses/python-concurrency-deep-dive\')), getAhrefsUnparsedNoserviceFromURL(\'https://training.talkpython.fm/courses/python-concurrency-deep-dive\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/training.talkpython.fm\/courses\/python-concurrency-deep-dive","crawl_time":1776028917,"first_indexed_time":1749304382,"http_code":200,"src_unparsed":"fm,talkpython!training,\/courses\/python-concurrency-deep-dive s443","src_root_hash":"10028357993093160022","history_drop_reason":null,"meta_title":"Talk Python Courses","meta_descriptions":["Concurrent programming is a game-changer. The new async and await features make scaling Python as easy as regular code. Dive into asyncio with this course."],"meta_canonical":null,"ml_categories_json":"{\"\/Computers_and_Electronics\":884,\"\/Computers_and_Electronics\/Programming\":849,\"\/Computers_and_Electronics\/Programming\/Scripting_Languages\":792,\"\/Jobs_and_Education\":577,\"\/Jobs_and_Education\/Education\":577,\"\/Jobs_and_Education\/Education\/Computer_Education\":515}","ml_types_json":"{\"\/Core_Page\":587,\"\/Core_Page\/Services_Page\":584}","ml_intent_types_json":"{\"Commercial\":645,\"Informational\":323,\"Transactional\":274}","meta_language":"en-us","attrs_author":"Talk Python","attrs_publish_time":0,"attrs_original_publish_time":1749304382,"attrs_is_republished":0,"attrs_nr_words":"58073","attrs_boilerpipe_nr_words":"771","body_ext_links_number":6,"body_int_links_number":36,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":0,"src_redirect":"","download_time_msec":151,"download_ttfb_msec":121,"download_size":123732}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 22 · Partition 0

laksa022

10028357993093160022

📄

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`	1.7 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://training.talkpython.fm/courses/python-concurrency-deep-dive

Last Crawled

2026-04-12 21:21:57 (1 month ago)

First Indexed

2025-06-07 13:53:02 (12 months ago)

HTTP Status Code

200

Content

Meta Title

Talk Python Courses

Meta Description

Concurrent programming is a game-changer. The new async and await features make scaling Python as easy as regular code. Dive into asyncio with this course.

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		88.4%
/Computers_and_Electronics/Programming		84.9%
/Computers_and_Electronics/Programming/Scripting_Languages		79.2%
/Jobs_and_Education		57.7%
/Jobs_and_Education/Education		57.7%
/Jobs_and_Education/Education/Computer_Education		51.5%

Raw JSON

{
    "/Computers_and_Electronics": 884,
    "/Computers_and_Electronics/Programming": 849,
    "/Computers_and_Electronics/Programming/Scripting_Languages": 792,
    "/Jobs_and_Education": 577,
    "/Jobs_and_Education/Education": 577,
    "/Jobs_and_Education/Education/Computer_Education": 515
}

ML Page Types

/Core_Page		58.7%
/Core_Page/Services_Page		58.4%

Raw JSON

{
    "/Core_Page": 587,
    "/Core_Page/Services_Page": 584
}

ML Intent Types

Commercial		64.5%
Informational		32.3%
Transactional		27.4%

Raw JSON

{
    "Commercial": 645,
    "Informational": 323,
    "Transactional": 274
}

Content Metadata

Language

en-us

Author

Talk Python

Publish Time

not set

Original Publish Time

2025-06-07 13:53:02 (12 months ago)

Republished

Word Count (Total)

58,073

Word Count (Content)

771

Links

External Links

Internal Links

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Redirect Target

null

Performance

Download Time (ms)

151

TTFB (ms)

121

Download Size (bytes)

123,732

Location

Host ID

22 (laksa022)

Partition ID

Root Hash

10028357993093160022

Unparsed URL

fm,talkpython!training,/courses/python-concurrency-deep-dive s443