🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 76 (from laksa061)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa076.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 = 85 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://datascienceweekly.substack.com/p/data-science-weekly-issue-616\')), getAhrefsUnparsedNoserviceFromURL(\'https://datascienceweekly.substack.com/p/data-science-weekly-issue-616\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/datascienceweekly.substack.com\/p\/data-science-weekly-issue-616","crawl_time":1774256390,"first_indexed_time":1757590683,"http_code":200,"src_unparsed":"com,substack!datascienceweekly,\/p\/data-science-weekly-issue-616 s443","src_root_hash":"14862242593741677076","history_drop_reason":null,"meta_title":"Data Science Weekly - Issue 616","meta_descriptions":["Curated news, articles and jobs related to Data Science, AI, & Machine Learning"],"meta_canonical":null,"ml_categories_json":"{\"\/Science\":715,\"\/Science\/Computer_Science\":647,\"\/Science\/Computer_Science\/Machine_Learning_and_Artificial_Intelligence\":628,\"\/Computers_and_Electronics\":327,\"\/Computers_and_Electronics\/Software\":293,\"\/Computers_and_Electronics\/Software\/Educational_Software\":181}","ml_types_json":"{\"\/Article\":908,\"\/Article\/Roundup\":688}","ml_intent_types_json":"{\"Informational\":998}","meta_language":"en","attrs_author":"Data Science Weekly","attrs_publish_time":1697157415,"attrs_original_publish_time":1697157415,"attrs_is_republished":0,"attrs_nr_words":"1749","attrs_boilerpipe_nr_words":"1394","body_ext_links_number":31,"body_int_links_number":26,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":1,"src_redirect":"","download_time_msec":445,"download_ttfb_msec":443,"download_size":44170}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 76 · Partition 85

laksa076

14862242593741677076

📄

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`	2.4 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://datascienceweekly.substack.com/p/data-science-weekly-issue-616

Last Crawled

2026-03-23 08:59:50 (2 months ago)

First Indexed

2025-09-11 11:38:03 (8 months ago)

HTTP Status Code

200

Content

Meta Title

Data Science Weekly - Issue 616

Meta Description

Curated news, articles and jobs related to Data Science, AI, & Machine Learning

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		71.5%
/Science/Computer_Science		64.7%
/Science/Computer_Science/Machine_Learning_and_Artificial_Intelligence		62.8%
/Computers_and_Electronics		32.7%
/Computers_and_Electronics/Software		29.3%
/Computers_and_Electronics/Software/Educational_Software		18.1%

Raw JSON

{
    "/Science": 715,
    "/Science/Computer_Science": 647,
    "/Science/Computer_Science/Machine_Learning_and_Artificial_Intelligence": 628,
    "/Computers_and_Electronics": 327,
    "/Computers_and_Electronics/Software": 293,
    "/Computers_and_Electronics/Software/Educational_Software": 181
}

ML Page Types

/Article		90.8%
/Article/Roundup		68.8%

Raw JSON

{
    "/Article": 908,
    "/Article/Roundup": 688
}

ML Intent Types

Informational

99.8%

Raw JSON

{
    "Informational": 998
}

Content Metadata

Language

Author

Data Science Weekly

Publish Time

2023-10-13 00:36:55 (2 years ago)

Original Publish Time

2023-10-13 00:36:55 (2 years ago)

Republished

Word Count (Total)

1,749

Word Count (Content)

1,394

Links

External Links

Internal Links

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Yes

Redirect Target

null

Performance

Download Time (ms)

445

TTFB (ms)

443

Download Size (bytes)

44,170

Location

Host ID

76 (laksa076)

Partition ID

Root Hash

14862242593741677076

Unparsed URL

com,substack!datascienceweekly,/p/data-science-weekly-issue-616 s443