🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 24 (from laksa135)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa024.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 = 35 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.liquidweb.com/blog/how-to-use-the-screen-command-in-linux/\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.liquidweb.com/blog/how-to-use-the-screen-command-in-linux/\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.liquidweb.com\/blog\/how-to-use-the-screen-command-in-linux\/","crawl_time":1775209103,"first_indexed_time":1719420003,"http_code":200,"src_unparsed":"com,liquidweb!www,\/blog\/how-to-use-the-screen-command-in-linux\/ s443","src_root_hash":"16217433953315287024","history_drop_reason":null,"meta_title":"How to Use the Linux Screen Command | Liquid Web","meta_descriptions":["Get the most out of the Linux screen command. Manage multiple terminal sessions with ease, including remote access. Learn key bindings and more."],"meta_canonical":null,"ml_categories_json":"{\"\/Computers_and_Electronics\":989,\"\/Computers_and_Electronics\/Software\":887,\"\/Computers_and_Electronics\/Software\/Operating_Systems\":778,\"\/Internet_and_Telecom\":138}","ml_types_json":"{\"\/Article\":996,\"\/Article\/Tutorial_or_Guide\":847}","ml_intent_types_json":"{\"Informational\":999}","meta_language":"en-us","attrs_author":"David Singer","attrs_publish_time":1744303386,"attrs_original_publish_time":1719420003,"attrs_is_republished":1,"attrs_nr_words":"2624","attrs_boilerpipe_nr_words":"1610","body_ext_links_number":16,"body_int_links_number":110,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":1,"src_redirect":"","download_time_msec":2102,"download_ttfb_msec":2058,"download_size":231814}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 24 · Partition 35

laksa024

16217433953315287024

📄

INDEXABLE

✅

CRAWLED

2 months 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`	2 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.liquidweb.com/blog/how-to-use-the-screen-command-in-linux/

Last Crawled

2026-04-03 09:38:23 (2 months ago)

First Indexed

2024-06-26 16:40:03 (1 year ago)

HTTP Status Code

200

Content

Meta Title

How to Use the Linux Screen Command | Liquid Web

Meta Description

Get the most out of the Linux screen command. Manage multiple terminal sessions with ease, including remote access. Learn key bindings and more.

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		98.9%
/Computers_and_Electronics/Software		88.7%
/Computers_and_Electronics/Software/Operating_Systems		77.8%
/Internet_and_Telecom		13.8%

Raw JSON

{
    "/Computers_and_Electronics": 989,
    "/Computers_and_Electronics/Software": 887,
    "/Computers_and_Electronics/Software/Operating_Systems": 778,
    "/Internet_and_Telecom": 138
}

ML Page Types

/Article		99.6%
/Article/Tutorial_or_Guide		84.7%

Raw JSON

{
    "/Article": 996,
    "/Article/Tutorial_or_Guide": 847
}

ML Intent Types

Informational

99.9%

Raw JSON

{
    "Informational": 999
}

Content Metadata

Language

en-us

Author

David Singer

Publish Time

2025-04-10 16:43:06 (1 year ago)

Original Publish Time

2024-06-26 16:40:03 (1 year ago)

Republished

Yes

Word Count (Total)

2,624

Word Count (Content)

1,610

Links

External Links

Internal Links

110

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Yes

Redirect Target

null

Performance

Download Time (ms)

2,102

TTFB (ms)

2,058

Download Size (bytes)

231,814

Location

Host ID

24 (laksa024)

Partition ID

Root Hash

16217433953315287024

Unparsed URL

com,liquidweb!www,/blog/how-to-use-the-screen-command-in-linux/ s443