🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 79 (from laksa143)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa079.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 = 31 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://towardsdatascience.com/zero-inflated-regression-c7dfc656d8af/\')), getAhrefsUnparsedNoserviceFromURL(\'https://towardsdatascience.com/zero-inflated-regression-c7dfc656d8af/\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/towardsdatascience.com\/zero-inflated-regression-c7dfc656d8af\/","crawl_time":1778035193,"first_indexed_time":1744199616,"http_code":200,"src_unparsed":"com,towardsdatascience!\/zero-inflated-regression-c7dfc656d8af\/ s443","src_root_hash":"12035788063718406279","history_drop_reason":null,"meta_title":"Zero-Inflated Regression | Towards Data Science","meta_descriptions":[],"meta_canonical":null,"ml_categories_json":"{\"\/Science\":845,\"\/Science\/Mathematics\":534,\"\/Science\/Mathematics\/Statistics\":528,\"\/Computers_and_Electronics\":175,\"\/Computers_and_Electronics\/Software\":161,\"\/Computers_and_Electronics\/Software\/Educational_Software\":104}","ml_types_json":"{\"\/Article\":998,\"\/Article\/Tutorial_or_Guide\":927}","ml_intent_types_json":"{\"Informational\":999}","meta_language":"en-us","attrs_author":"Dr. Robert Kübler","attrs_publish_time":1618421654,"attrs_original_publish_time":1618421654,"attrs_is_republished":0,"attrs_nr_words":"1663","attrs_boilerpipe_nr_words":"1294","body_ext_links_number":18,"body_int_links_number":33,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":0,"src_redirect":"","download_time_msec":492,"download_ttfb_msec":474,"download_size":36718}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 79 · Partition 31

laksa079

12035788063718406279

📄

INDEXABLE

✅

CRAWLED

28 days 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 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://towardsdatascience.com/zero-inflated-regression-c7dfc656d8af/

Last Crawled

2026-05-06 02:39:53 (28 days ago)

First Indexed

2025-04-09 11:53:36 (1 year ago)

HTTP Status Code

200

Content

Meta Title

Zero-Inflated Regression | Towards Data Science

Meta Description

null

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		84.5%
/Science/Mathematics		53.4%
/Science/Mathematics/Statistics		52.8%
/Computers_and_Electronics		17.5%
/Computers_and_Electronics/Software		16.1%
/Computers_and_Electronics/Software/Educational_Software		10.4%

Raw JSON

{
    "/Science": 845,
    "/Science/Mathematics": 534,
    "/Science/Mathematics/Statistics": 528,
    "/Computers_and_Electronics": 175,
    "/Computers_and_Electronics/Software": 161,
    "/Computers_and_Electronics/Software/Educational_Software": 104
}

ML Page Types

/Article		99.8%
/Article/Tutorial_or_Guide		92.7%

Raw JSON

{
    "/Article": 998,
    "/Article/Tutorial_or_Guide": 927
}

ML Intent Types

Informational

99.9%

Raw JSON

{
    "Informational": 999
}

Content Metadata

Language

en-us

Author

Dr. Robert Kübler

Publish Time

2021-04-14 17:34:14 (5 years ago)

Original Publish Time

2021-04-14 17:34:14 (5 years ago)

Republished

Word Count (Total)

1,663

Word Count (Content)

1,294

Links

External Links

Internal Links

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Redirect Target

null

Performance

Download Time (ms)

492

TTFB (ms)

474

Download Size (bytes)

36,718

Location

Host ID

79 (laksa079)

Partition ID

Root Hash

12035788063718406279

Unparsed URL

com,towardsdatascience!/zero-inflated-regression-c7dfc656d8af/ s443