🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 51 (from laksa023)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa051.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 = 38 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.cleveroad.com/blog/how-to-create-an-app/\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.cleveroad.com/blog/how-to-create-an-app/\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.cleveroad.com\/blog\/how-to-create-an-app\/","crawl_time":1779879071,"first_indexed_time":1654882151,"http_code":200,"src_unparsed":"com,cleveroad!www,\/blog\/how-to-create-an-app\/ s443","src_root_hash":"7428193620312527651","history_drop_reason":null,"meta_title":"How to Create an App From an Idea to App Release","meta_descriptions":["Have an idea of an app, but what’s next? Explaining how to make an application—from a concept to app release."],"meta_canonical":null,"ml_categories_json":"{\"\/Computers_and_Electronics\":686,\"\/Computers_and_Electronics\/Software\":678,\"\/Internet_and_Telecom\":415,\"\/Computers_and_Electronics\/Software\/Business_and_Productivity_Software\":332,\"\/Business_and_Industrial\":276,\"\/Internet_and_Telecom\/Web_Services\":259,\"\/Internet_and_Telecom\/Web_Services\/Web_Design_and_Development\":249,\"\/Business_and_Industrial\/Business_Services\":164,\"\/Business_and_Industrial\/Business_Services\/E-Commerce_Services\":146}","ml_types_json":"{\"\/Article\":998,\"\/Article\/How_to\":520}","ml_intent_types_json":"{\"Informational\":995}","meta_language":"en","attrs_author":"Evgeniy Altynpara","attrs_publish_time":0,"attrs_original_publish_time":1654882151,"attrs_is_republished":0,"attrs_nr_words":"4134","attrs_boilerpipe_nr_words":"2999","body_ext_links_number":12,"body_int_links_number":132,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":1,"src_redirect":"","download_time_msec":860,"download_ttfb_msec":602,"download_size":94752}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 51 · Partition 38

laksa051

7428193620312527651

📄

INDEXABLE

✅

CRAWLED

6 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`	0.2 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.cleveroad.com/blog/how-to-create-an-app/

Last Crawled

2026-05-27 10:51:11 (6 days ago)

First Indexed

2022-06-10 17:29:11 (3 years ago)

HTTP Status Code

200

Content

Meta Title

How to Create an App From an Idea to App Release

Meta Description

Have an idea of an app, but what’s next? Explaining how to make an application—from a concept to app release.

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		68.6%
/Computers_and_Electronics/Software		67.8%
/Internet_and_Telecom		41.5%
/Computers_and_Electronics/Software/Business_and_Productivity_Software		33.2%
/Business_and_Industrial		27.6%
/Internet_and_Telecom/Web_Services		25.9%
/Internet_and_Telecom/Web_Services/Web_Design_and_Development		24.9%
/Business_and_Industrial/Business_Services		16.4%
/Business_and_Industrial/Business_Services/E-Commerce_Services		14.6%

Raw JSON

{
    "/Computers_and_Electronics": 686,
    "/Computers_and_Electronics/Software": 678,
    "/Internet_and_Telecom": 415,
    "/Computers_and_Electronics/Software/Business_and_Productivity_Software": 332,
    "/Business_and_Industrial": 276,
    "/Internet_and_Telecom/Web_Services": 259,
    "/Internet_and_Telecom/Web_Services/Web_Design_and_Development": 249,
    "/Business_and_Industrial/Business_Services": 164,
    "/Business_and_Industrial/Business_Services/E-Commerce_Services": 146
}

ML Page Types

/Article		99.8%
/Article/How_to		52.0%

Raw JSON

{
    "/Article": 998,
    "/Article/How_to": 520
}

ML Intent Types

Informational

99.5%

Raw JSON

{
    "Informational": 995
}

Content Metadata

Language

Author

Evgeniy Altynpara

Publish Time

not set

Original Publish Time

2022-06-10 17:29:11 (3 years ago)

Republished

Word Count (Total)

4,134

Word Count (Content)

2,999

Links

External Links

Internal Links

132

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Yes

Redirect Target

null

Performance

Download Time (ms)

860

TTFB (ms)

602

Download Size (bytes)

94,752

Location

Host ID

51 (laksa051)

Partition ID

Root Hash

7428193620312527651

Unparsed URL

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