🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 164 (from laksa184)

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/computing\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.khanacademy.org/computing\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.khanacademy.org\/computing","crawl_time":1780354618,"first_indexed_time":1417070755,"http_code":200,"src_unparsed":"org,khanacademy!www,\/computing s443","src_root_hash":"3750796715567959364","history_drop_reason":null,"meta_title":"Computing | Khan Academy","meta_descriptions":["Learn how to code computer programs, how to design algorithms that make computers more efficient, and discover what a career in computing could look like."],"meta_canonical":null,"ml_categories_json":"{\"\/Computers_and_Electronics\":797,\"\/Computers_and_Electronics\/Programming\":584,\"\/Jobs_and_Education\":458,\"\/Jobs_and_Education\/Education\":457,\"\/Jobs_and_Education\/Education\/Computer_Education\":432,\"\/Computers_and_Electronics\/Programming\/Other\":361}","ml_types_json":"{\"\/Core_Page\":719,\"\/Core_Page\/Services_Page\":555}","ml_intent_types_json":"{\"Informational\":994}","meta_language":"en","attrs_author":null,"attrs_publish_time":0,"attrs_original_publish_time":1417070755,"attrs_is_republished":0,"attrs_nr_words":"693","attrs_boilerpipe_nr_words":"338","body_ext_links_number":11,"body_int_links_number":117,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":1,"src_redirect":"","download_time_msec":237,"download_ttfb_msec":219,"download_size":115156}

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

1 day 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`	0.1 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://www.khanacademy.org/computing

Last Crawled

2026-06-01 22:56:58 (1 day ago)

First Indexed

2014-11-27 06:45:55 (11 years ago)

HTTP Status Code

200

Content

Meta Title

Computing | Khan Academy

Meta Description

Learn how to code computer programs, how to design algorithms that make computers more efficient, and discover what a career in computing could look like.

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

/Computers_and_Electronics		79.7%
/Computers_and_Electronics/Programming		58.4%
/Jobs_and_Education		45.8%
/Jobs_and_Education/Education		45.7%
/Jobs_and_Education/Education/Computer_Education		43.2%
/Computers_and_Electronics/Programming/Other		36.1%

Raw JSON

{
    "/Computers_and_Electronics": 797,
    "/Computers_and_Electronics/Programming": 584,
    "/Jobs_and_Education": 458,
    "/Jobs_and_Education/Education": 457,
    "/Jobs_and_Education/Education/Computer_Education": 432,
    "/Computers_and_Electronics/Programming/Other": 361
}

ML Page Types

/Core_Page		71.9%
/Core_Page/Services_Page		55.5%

Raw JSON

{
    "/Core_Page": 719,
    "/Core_Page/Services_Page": 555
}

ML Intent Types

Informational

99.4%

Raw JSON

{
    "Informational": 994
}

Content Metadata

Language

Author

null

Publish Time

not set

Original Publish Time

2014-11-27 06:45:55 (11 years ago)

Republished

Word Count (Total)

693

Word Count (Content)

338

Links

External Links

Internal Links

117

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Yes

Redirect Target

null

Performance

Download Time (ms)

237

TTFB (ms)

219

Download Size (bytes)

115,156

Location

Host ID

164 (laksa164)

Partition ID

Root Hash

3750796715567959364

Unparsed URL

org,khanacademy!www,/computing s443