🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 10 (from laksa165)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa010.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 = 65 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.ecfr.gov/current/title-49/subtitle-B/chapter-III/subchapter-B/part-391\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.ecfr.gov/current/title-49/subtitle-B/chapter-III/subchapter-B/part-391\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.ecfr.gov\/current\/title-49\/subtitle-B\/chapter-III\/subchapter-B\/part-391","crawl_time":1778416282,"first_indexed_time":1631310030,"http_code":200,"src_unparsed":"gov,ecfr!www,\/current\/title-49\/subtitle-B\/chapter-III\/subchapter-B\/part-391 s443","src_root_hash":"9956462627642933010","history_drop_reason":null,"meta_title":"eCFR :: 49 CFR Part 391 -- Qualifications of Drivers and Longer Combination Vehicle (LCV) Driver Instructors","meta_descriptions":[],"meta_canonical":null,"ml_categories_json":"{\"\/Law_and_Government\":732,\"\/Law_and_Government\/Legal\":588,\"\/Law_and_Government\/Legal\/Business_and_Corporate_Law\":265,\"\/Autos_and_Vehicles\":213,\"\/Autos_and_Vehicles\/Vehicle_Codes_and_Driving_Laws\":125}","ml_types_json":"{\"\/Document\":906,\"\/Document\/Manual\":738}","ml_intent_types_json":"{\"Informational\":979}","meta_language":"en","attrs_author":null,"attrs_publish_time":0,"attrs_original_publish_time":1631310030,"attrs_is_republished":0,"attrs_nr_words":"23435","attrs_boilerpipe_nr_words":"21546","body_ext_links_number":117,"body_int_links_number":199,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":1,"src_redirect":"","download_time_msec":575,"download_ttfb_msec":573,"download_size":61520}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 10 · Partition 65

laksa010

9956462627642933010

📄

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://www.ecfr.gov/current/title-49/subtitle-B/chapter-III/subchapter-B/part-391

Last Crawled

2026-05-10 12:31:22 (24 days ago)

First Indexed

2021-09-10 21:40:30 (4 years ago)

HTTP Status Code

200

Content

Meta Title

eCFR :: 49 CFR Part 391 -- Qualifications of Drivers and Longer Combination Vehicle (LCV) Driver Instructors

Meta Description

null

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

/Law_and_Government		73.2%
/Law_and_Government/Legal		58.8%
/Law_and_Government/Legal/Business_and_Corporate_Law		26.5%
/Autos_and_Vehicles		21.3%
/Autos_and_Vehicles/Vehicle_Codes_and_Driving_Laws		12.5%

Raw JSON

{
    "/Law_and_Government": 732,
    "/Law_and_Government/Legal": 588,
    "/Law_and_Government/Legal/Business_and_Corporate_Law": 265,
    "/Autos_and_Vehicles": 213,
    "/Autos_and_Vehicles/Vehicle_Codes_and_Driving_Laws": 125
}

ML Page Types

/Document		90.6%
/Document/Manual		73.8%

Raw JSON

{
    "/Document": 906,
    "/Document/Manual": 738
}

ML Intent Types

Informational

97.9%

Raw JSON

{
    "Informational": 979
}

Content Metadata

Language

Author

null

Publish Time

not set

Original Publish Time

2021-09-10 21:40:30 (4 years ago)

Republished

Word Count (Total)

23,435

Word Count (Content)

21,546

Links

External Links

117

Internal Links

199

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Yes

Redirect Target

null

Performance

Download Time (ms)

575

TTFB (ms)

573

Download Size (bytes)

61,520

Location

Host ID

10 (laksa010)

Partition ID

Root Hash

9956462627642933010

Unparsed URL

gov,ecfr!www,/current/title-49/subtitle-B/chapter-III/subchapter-B/part-391 s443