🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 56 (from laksa182)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa056.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 = 22 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://bookauthority.org/books/best-bayesian-statistics-books\')), getAhrefsUnparsedNoserviceFromURL(\'https://bookauthority.org/books/best-bayesian-statistics-books\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/bookauthority.org\/books\/best-bayesian-statistics-books","crawl_time":1778364906,"first_indexed_time":1558505553,"http_code":200,"src_unparsed":"org,bookauthority!\/books\/best-bayesian-statistics-books s443","src_root_hash":"7580245510359384456","history_drop_reason":null,"meta_title":"10 Bayesian Statistics Books Every Practitioner Should Read - BookAuthority","meta_descriptions":["Discover 10 top Bayesian Statistics books recommended by Andrew Gelman, Christopher Fonnesbeck, and Stanley Lazic to deepen your statistical expertise."],"meta_canonical":null,"ml_categories_json":"{\"\/Books_and_Literature\":532,\"\/Science\":355,\"\/Science\/Mathematics\":203,\"\/Science\/Mathematics\/Statistics\":194,\"\/Computers_and_Electronics\":158,\"\/Books_and_Literature\/Other\":151,\"\/Computers_and_Electronics\/Software\":142,\"\/Jobs_and_Education\":130,\"\/Jobs_and_Education\/Education\":129,\"\/Computers_and_Electronics\/Software\/Educational_Software\":128,\"\/Jobs_and_Education\/Education\/Computer_Education\":109}","ml_types_json":"{\"\/Listing_Collection\":561,\"\/Listing_Collection\/Product\":533}","ml_intent_types_json":"{\"Informational\":972}","meta_language":"en","attrs_author":null,"attrs_publish_time":0,"attrs_original_publish_time":1558505553,"attrs_is_republished":0,"attrs_nr_words":"5238","attrs_boilerpipe_nr_words":"3173","body_ext_links_number":26,"body_int_links_number":41,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":0,"src_redirect":"","download_time_msec":292,"download_ttfb_msec":226,"download_size":49732}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 56 · Partition 22

laksa056

7580245510359384456

📄

INDEXABLE

✅

CRAWLED

24 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`	0.8 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://bookauthority.org/books/best-bayesian-statistics-books

Last Crawled

2026-05-09 22:15:06 (24 days ago)

First Indexed

2019-05-22 06:12:33 (7 years ago)

HTTP Status Code

200

Content

Meta Title

10 Bayesian Statistics Books Every Practitioner Should Read - BookAuthority

Meta Description

Discover 10 top Bayesian Statistics books recommended by Andrew Gelman, Christopher Fonnesbeck, and Stanley Lazic to deepen your statistical expertise.

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

/Books_and_Literature		53.2%
/Science		35.5%
/Science/Mathematics		20.3%
/Science/Mathematics/Statistics		19.4%
/Computers_and_Electronics		15.8%
/Books_and_Literature/Other		15.1%
/Computers_and_Electronics/Software		14.2%
/Jobs_and_Education		13.0%
/Jobs_and_Education/Education		12.9%
/Computers_and_Electronics/Software/Educational_Software		12.8%
/Jobs_and_Education/Education/Computer_Education		10.9%

Raw JSON

{
    "/Books_and_Literature": 532,
    "/Science": 355,
    "/Science/Mathematics": 203,
    "/Science/Mathematics/Statistics": 194,
    "/Computers_and_Electronics": 158,
    "/Books_and_Literature/Other": 151,
    "/Computers_and_Electronics/Software": 142,
    "/Jobs_and_Education": 130,
    "/Jobs_and_Education/Education": 129,
    "/Computers_and_Electronics/Software/Educational_Software": 128,
    "/Jobs_and_Education/Education/Computer_Education": 109
}

ML Page Types

/Listing_Collection		56.1%
/Listing_Collection/Product		53.3%

Raw JSON

{
    "/Listing_Collection": 561,
    "/Listing_Collection/Product": 533
}

ML Intent Types

Informational

97.2%

Raw JSON

{
    "Informational": 972
}

Content Metadata

Language

Author

null

Publish Time

not set

Original Publish Time

2019-05-22 06:12:33 (7 years ago)

Republished

Word Count (Total)

5,238

Word Count (Content)

3,173

Links

External Links

Internal Links

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Redirect Target

null

Performance

Download Time (ms)

292

TTFB (ms)

226

Download Size (bytes)

49,732

Location

Host ID

56 (laksa056)

Partition ID

Root Hash

7580245510359384456

Unparsed URL

org,bookauthority!/books/best-bayesian-statistics-books s443