🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 18 (from laksa053)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa018.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 = 63 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://mc-stan.org/docs/2_20/stan-users-guide/zero-inflated-section.html\')), getAhrefsUnparsedNoserviceFromURL(\'https://mc-stan.org/docs/2_20/stan-users-guide/zero-inflated-section.html\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/mc-stan.org\/docs\/2_20\/stan-users-guide\/zero-inflated-section.html","crawl_time":1779404826,"first_indexed_time":1565739920,"http_code":200,"src_unparsed":"org,mc-stan!\/docs\/2_20\/stan-users-guide\/zero-inflated-section.html s443","src_root_hash":"17466047053846532618","history_drop_reason":null,"meta_title":"5.6 Zero-Inflated and Hurdle Models | Stan User’s Guide","meta_descriptions":["Stan user’s guide with examples and programming techniques."],"meta_canonical":"org,mc-stan!\/docs\/stan-users-guide\/finite-mixtures.html s443","ml_categories_json":"{\"\/Science\":704,\"\/Science\/Mathematics\":660,\"\/Science\/Mathematics\/Statistics\":643,\"\/Computers_and_Electronics\":142}","ml_types_json":"{\"\/Article\":522,\"\/Article\/Tutorial_or_Guide\":515}","ml_intent_types_json":"{\"Informational\":999}","meta_language":null,"attrs_author":null,"attrs_publish_time":0,"attrs_original_publish_time":1565739920,"attrs_is_republished":0,"attrs_nr_words":"3082","attrs_boilerpipe_nr_words":"1207","body_ext_links_number":0,"body_int_links_number":1,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":1,"src_redirect":"","download_time_msec":142,"download_ttfb_msec":142,"download_size":16427}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 18 · Partition 63

laksa018

17466047053846532618

🚫

NOT INDEXABLE

✅

CRAWLED

12 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`	0.4 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	FAIL	`meta_canonical IS NULL OR = '' OR = src_unparsed`	org,mc-stan!/docs/stan-users-guide/finite-mixtures.html s443

Page Details

Property

Value

URL

https://mc-stan.org/docs/2_20/stan-users-guide/zero-inflated-section.html

Last Crawled

2026-05-21 23:07:06 (12 days ago)

First Indexed

2019-08-13 23:45:20 (6 years ago)

HTTP Status Code

200

Content

Meta Title

5.6 Zero-Inflated and Hurdle Models | Stan User’s Guide

Meta Description

Stan user’s guide with examples and programming techniques.

Meta Canonical

org,mc-stan!/docs/stan-users-guide/finite-mixtures.html s443

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		70.4%
/Science/Mathematics		66.0%
/Science/Mathematics/Statistics		64.3%
/Computers_and_Electronics		14.2%

Raw JSON

{
    "/Science": 704,
    "/Science/Mathematics": 660,
    "/Science/Mathematics/Statistics": 643,
    "/Computers_and_Electronics": 142
}

ML Page Types

/Article		52.2%
/Article/Tutorial_or_Guide		51.5%

Raw JSON

{
    "/Article": 522,
    "/Article/Tutorial_or_Guide": 515
}

ML Intent Types

Informational

99.9%

Raw JSON

{
    "Informational": 999
}

Content Metadata

Language

null

Author

null

Publish Time

not set

Original Publish Time

2019-08-13 23:45:20 (6 years ago)

Republished

Word Count (Total)

3,082

Word Count (Content)

1,207

Links

External Links

Internal Links

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Yes

Redirect Target

null

Performance

Download Time (ms)

142

TTFB (ms)

142

Download Size (bytes)

16,427

Location

Host ID

18 (laksa018)

Partition ID

Root Hash

17466047053846532618

Unparsed URL

org,mc-stan!/docs/2_20/stan-users-guide/zero-inflated-section.html s443