🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 57 (from laksa186)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa057.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 = 32 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.knack.com/blog/how-to-create-an-app/\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.knack.com/blog/how-to-create-an-app/\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.knack.com\/blog\/how-to-create-an-app\/","crawl_time":1779167807,"first_indexed_time":1749190793,"http_code":200,"src_unparsed":"com,knack!www,\/blog\/how-to-create-an-app\/ s443","src_root_hash":"1633749490839726457","history_drop_reason":null,"meta_title":"How to Create an App (2026 Guide)","meta_descriptions":["Want to know how to create an app? Read through our tutorial to learn how to start building using various tools, today"],"meta_canonical":null,"ml_categories_json":"{\"\/Computers_and_Electronics\":794,\"\/Computers_and_Electronics\/Software\":772,\"\/Internet_and_Telecom\":434,\"\/Internet_and_Telecom\/Web_Services\":402,\"\/Internet_and_Telecom\/Web_Services\/Web_Design_and_Development\":393,\"\/Computers_and_Electronics\/Software\/Business_and_Productivity_Software\":329}","ml_types_json":"{\"\/Article\":998,\"\/Article\/Tutorial_or_Guide\":499}","ml_intent_types_json":"{\"Informational\":998}","meta_language":"en-us","attrs_author":"Elliott Sprecher","attrs_publish_time":1767588360,"attrs_original_publish_time":1749190793,"attrs_is_republished":1,"attrs_nr_words":"5466","attrs_boilerpipe_nr_words":"4640","body_ext_links_number":8,"body_int_links_number":93,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":1,"src_redirect":"","download_time_msec":94,"download_ttfb_msec":90,"download_size":177529}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 57 · Partition 32

laksa057

1633749490839726457

📄

INDEXABLE

✅

CRAWLED

15 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`	0.5 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.knack.com/blog/how-to-create-an-app/

Last Crawled

2026-05-19 05:16:47 (15 days ago)

First Indexed

2025-06-06 06:19:53 (12 months ago)

HTTP Status Code

200

Content

Meta Title

How to Create an App (2026 Guide)

Meta Description

Want to know how to create an app? Read through our tutorial to learn how to start building using various tools, today

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		79.4%
/Computers_and_Electronics/Software		77.2%
/Internet_and_Telecom		43.4%
/Internet_and_Telecom/Web_Services		40.2%
/Internet_and_Telecom/Web_Services/Web_Design_and_Development		39.3%
/Computers_and_Electronics/Software/Business_and_Productivity_Software		32.9%

Raw JSON

{
    "/Computers_and_Electronics": 794,
    "/Computers_and_Electronics/Software": 772,
    "/Internet_and_Telecom": 434,
    "/Internet_and_Telecom/Web_Services": 402,
    "/Internet_and_Telecom/Web_Services/Web_Design_and_Development": 393,
    "/Computers_and_Electronics/Software/Business_and_Productivity_Software": 329
}

ML Page Types

/Article		99.8%
/Article/Tutorial_or_Guide		49.9%

Raw JSON

{
    "/Article": 998,
    "/Article/Tutorial_or_Guide": 499
}

ML Intent Types

Informational

99.8%

Raw JSON

{
    "Informational": 998
}

Content Metadata

Language

en-us

Author

Elliott Sprecher

Publish Time

2026-01-05 04:46:00 (4 months ago)

Original Publish Time

2025-06-06 06:19:53 (12 months ago)

Republished

Yes

Word Count (Total)

5,466

Word Count (Content)

4,640

Links

External Links

Internal Links

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Yes

Redirect Target

null

Performance

Download Time (ms)

TTFB (ms)

Download Size (bytes)

177,529

Location

Host ID

57 (laksa057)

Partition ID

Root Hash

1633749490839726457

Unparsed URL

com,knack!www,/blog/how-to-create-an-app/ s443