🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 48 (from laksa060)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa048.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 = 62 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.alphasoftware.com/blog/how-to-build-a-mobile-app-step-by-step\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.alphasoftware.com/blog/how-to-build-a-mobile-app-step-by-step\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.alphasoftware.com\/blog\/how-to-build-a-mobile-app-step-by-step","crawl_time":1779810188,"first_indexed_time":1606947817,"http_code":200,"src_unparsed":"com,alphasoftware!www,\/blog\/how-to-build-a-mobile-app-step-by-step s443","src_root_hash":"14202382638072692448","history_drop_reason":null,"meta_title":"How to Build an App - A Step-by-Step Guide","meta_descriptions":["Learn the steps to building a mobile app with Alpha Software's insightful guide. Explore comprehensive app building techniques, from concept to launch."],"meta_canonical":null,"ml_categories_json":"{\"\/Computers_and_Electronics\":838,\"\/Computers_and_Electronics\/Software\":822,\"\/Computers_and_Electronics\/Software\/Software_Utilities\":438,\"\/Internet_and_Telecom\":381,\"\/Internet_and_Telecom\/Mobile_and_Wireless\":360,\"\/Internet_and_Telecom\/Mobile_and_Wireless\/Mobile_Apps_and_Add-Ons\":350,\"\/Business_and_Industrial\":124}","ml_types_json":"{\"\/Article\":998,\"\/Article\/Tutorial_or_Guide\":668}","ml_intent_types_json":"{\"Informational\":993,\"Commercial\":107}","meta_language":"en-us","attrs_author":"Amy Groden","attrs_publish_time":0,"attrs_original_publish_time":1606947817,"attrs_is_republished":0,"attrs_nr_words":"6779","attrs_boilerpipe_nr_words":"5669","body_ext_links_number":9,"body_int_links_number":68,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":1,"src_redirect":"","download_time_msec":130,"download_ttfb_msec":93,"download_size":35350}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 48 · Partition 62

laksa048

14202382638072692448

📄

INDEXABLE

✅

CRAWLED

7 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`	0.3 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.alphasoftware.com/blog/how-to-build-a-mobile-app-step-by-step

Last Crawled

2026-05-26 15:43:08 (7 days ago)

First Indexed

2020-12-02 22:23:37 (5 years ago)

HTTP Status Code

200

Content

Meta Title

How to Build an App - A Step-by-Step Guide

Meta Description

Learn the steps to building a mobile app with Alpha Software's insightful guide. Explore comprehensive app building techniques, from concept to launch.

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		83.8%
/Computers_and_Electronics/Software		82.2%
/Computers_and_Electronics/Software/Software_Utilities		43.8%
/Internet_and_Telecom		38.1%
/Internet_and_Telecom/Mobile_and_Wireless		36.0%
/Internet_and_Telecom/Mobile_and_Wireless/Mobile_Apps_and_Add-Ons		35.0%
/Business_and_Industrial		12.4%

Raw JSON

{
    "/Computers_and_Electronics": 838,
    "/Computers_and_Electronics/Software": 822,
    "/Computers_and_Electronics/Software/Software_Utilities": 438,
    "/Internet_and_Telecom": 381,
    "/Internet_and_Telecom/Mobile_and_Wireless": 360,
    "/Internet_and_Telecom/Mobile_and_Wireless/Mobile_Apps_and_Add-Ons": 350,
    "/Business_and_Industrial": 124
}

ML Page Types

/Article		99.8%
/Article/Tutorial_or_Guide		66.8%

Raw JSON

{
    "/Article": 998,
    "/Article/Tutorial_or_Guide": 668
}

ML Intent Types

Informational		99.3%
Commercial		10.7%

Raw JSON

{
    "Informational": 993,
    "Commercial": 107
}

Content Metadata

Language

en-us

Author

Amy Groden

Publish Time

not set

Original Publish Time

2020-12-02 22:23:37 (5 years ago)

Republished

Word Count (Total)

6,779

Word Count (Content)

5,669

Links

External Links

Internal Links

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Yes

Redirect Target

null

Performance

Download Time (ms)

130

TTFB (ms)

Download Size (bytes)

35,350

Location

Host ID

48 (laksa048)

Partition ID

Root Hash

14202382638072692448

Unparsed URL

com,alphasoftware!www,/blog/how-to-build-a-mobile-app-step-by-step s443