🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 12 (from laksa165)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa012.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 = 70 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://eurekastatistics.com/beta-distribution-pdf-grapher/\')), getAhrefsUnparsedNoserviceFromURL(\'https://eurekastatistics.com/beta-distribution-pdf-grapher/\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/eurekastatistics.com\/beta-distribution-pdf-grapher\/","crawl_time":1779697195,"first_indexed_time":1489095513,"http_code":200,"src_unparsed":"com,eurekastatistics!\/beta-distribution-pdf-grapher\/ s443","src_root_hash":"1773091728563674012","history_drop_reason":null,"meta_title":"Beta Distribution PDF Grapher","meta_descriptions":["A D3-rendered graph of the probability density function (PDF) of the beta distribution."],"meta_canonical":null,"ml_categories_json":"{\"\/Science\":821,\"\/Science\/Mathematics\":504,\"\/Science\/Mathematics\/Statistics\":498,\"\/Computers_and_Electronics\":358,\"\/Computers_and_Electronics\/Software\":338,\"\/Computers_and_Electronics\/Software\/Software_Utilities\":183}","ml_types_json":"{\"\/Document\":921,\"\/Document\/Worksheet\":280}","ml_intent_types_json":"{\"Informational\":790}","meta_language":"en","attrs_author":"Eureka Statistics","attrs_publish_time":0,"attrs_original_publish_time":1489095513,"attrs_is_republished":0,"attrs_nr_words":"223","attrs_boilerpipe_nr_words":"36","body_ext_links_number":0,"body_int_links_number":27,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":0,"src_redirect":"","download_time_msec":3692,"download_ttfb_msec":3692,"download_size":2784}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 12 · Partition 70

laksa012

1773091728563674012

📄

INDEXABLE

✅

CRAWLED

9 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`	0.3 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://eurekastatistics.com/beta-distribution-pdf-grapher/

Last Crawled

2026-05-25 08:19:55 (9 days ago)

First Indexed

2017-03-09 21:38:33 (9 years ago)

HTTP Status Code

200

Content

Meta Title

Beta Distribution PDF Grapher

Meta Description

A D3-rendered graph of the probability density function (PDF) of the beta distribution.

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		82.1%
/Science/Mathematics		50.4%
/Science/Mathematics/Statistics		49.8%
/Computers_and_Electronics		35.8%
/Computers_and_Electronics/Software		33.8%
/Computers_and_Electronics/Software/Software_Utilities		18.3%

Raw JSON

{
    "/Science": 821,
    "/Science/Mathematics": 504,
    "/Science/Mathematics/Statistics": 498,
    "/Computers_and_Electronics": 358,
    "/Computers_and_Electronics/Software": 338,
    "/Computers_and_Electronics/Software/Software_Utilities": 183
}

ML Page Types

/Document		92.1%
/Document/Worksheet		28.0%

Raw JSON

{
    "/Document": 921,
    "/Document/Worksheet": 280
}

ML Intent Types

Informational

79.0%

Raw JSON

{
    "Informational": 790
}

Content Metadata

Language

Author

Eureka Statistics

Publish Time

not set

Original Publish Time

2017-03-09 21:38:33 (9 years ago)

Republished

Word Count (Total)

223

Word Count (Content)

Links

External Links

Internal Links

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Redirect Target

null

Performance

Download Time (ms)

3,692

TTFB (ms)

3,692

Download Size (bytes)

2,784

Location

Host ID

12 (laksa012)

Partition ID

Root Hash

1773091728563674012

Unparsed URL

com,eurekastatistics!/beta-distribution-pdf-grapher/ s443