🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 164 (from laksa132)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa164.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 = 96 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.khanacademy.org/test-prep/mcat/physical-processes\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.khanacademy.org/test-prep/mcat/physical-processes\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.khanacademy.org\/test-prep\/mcat\/physical-processes","crawl_time":1779615004,"first_indexed_time":1398032775,"http_code":200,"src_unparsed":"org,khanacademy!www,\/test-prep\/mcat\/physical-processes s443","src_root_hash":"3750796715567959364","history_drop_reason":null,"meta_title":"Foundation 4: Physical processes | MCAT | Test prep | Khan Academy","meta_descriptions":["From designing a better MRI machine to understanding heartbeat regulation, physics and chemistry concepts are everywhere in medicine! Here you'll review some of the basics of physics and chemistry, including mechanics, optics, electricity and magnetism, periodicity, and chemical equations, as you prepare to show your physical science prowess on the MCAT."],"meta_canonical":null,"ml_categories_json":"{\"\/Science\":477,\"\/Science\/Physics\":422,\"\/Jobs_and_Education\":416,\"\/Jobs_and_Education\/Education\":416,\"\/Jobs_and_Education\/Education\/Standardized_and_Admissions_Tests\":379}","ml_types_json":"{\"\/Article\":795,\"\/Article\/Tutorial_or_Guide\":760}","ml_intent_types_json":"{\"Informational\":999}","meta_language":"en","attrs_author":null,"attrs_publish_time":0,"attrs_original_publish_time":1398032775,"attrs_is_republished":0,"attrs_nr_words":"2972","attrs_boilerpipe_nr_words":"54","body_ext_links_number":11,"body_int_links_number":392,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":1,"src_redirect":"","download_time_msec":216,"download_ttfb_msec":203,"download_size":88368}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 164 · Partition 96

laksa164

3750796715567959364

📄

INDEXABLE

✅

CRAWLED

10 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://www.khanacademy.org/test-prep/mcat/physical-processes

Last Crawled

2026-05-24 09:30:04 (10 days ago)

First Indexed

2014-04-20 22:26:15 (12 years ago)

HTTP Status Code

200

Content

Meta Title

Foundation 4: Physical processes | MCAT | Test prep | Khan Academy

Meta Description

From designing a better MRI machine to understanding heartbeat regulation, physics and chemistry concepts are everywhere in medicine! Here you'll review some of the basics of physics and chemistry, including mechanics, optics, electricity and magnetism, periodicity, and chemical equations, as you prepare to show your physical science prowess on the MCAT.

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		47.7%
/Science/Physics		42.2%
/Jobs_and_Education		41.6%
/Jobs_and_Education/Education		41.6%
/Jobs_and_Education/Education/Standardized_and_Admissions_Tests		37.9%

Raw JSON

{
    "/Science": 477,
    "/Science/Physics": 422,
    "/Jobs_and_Education": 416,
    "/Jobs_and_Education/Education": 416,
    "/Jobs_and_Education/Education/Standardized_and_Admissions_Tests": 379
}

ML Page Types

/Article		79.5%
/Article/Tutorial_or_Guide		76.0%

Raw JSON

{
    "/Article": 795,
    "/Article/Tutorial_or_Guide": 760
}

ML Intent Types

Informational

99.9%

Raw JSON

{
    "Informational": 999
}

Content Metadata

Language

Author

null

Publish Time

not set

Original Publish Time

2014-04-20 22:26:15 (12 years ago)

Republished

Word Count (Total)

2,972

Word Count (Content)

Links

External Links

Internal Links

392

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Yes

Redirect Target

null

Performance

Download Time (ms)

216

TTFB (ms)

203

Download Size (bytes)

88,368

Location

Host ID

164 (laksa164)

Partition ID

Root Hash

3750796715567959364

Unparsed URL

org,khanacademy!www,/test-prep/mcat/physical-processes s443