🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 3 (from laksa066)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa003.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 = 5 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://twinr.dev/blogs/how-to-create-an-app-from-scratch/\')), getAhrefsUnparsedNoserviceFromURL(\'https://twinr.dev/blogs/how-to-create-an-app-from-scratch/\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/twinr.dev\/blogs\/how-to-create-an-app-from-scratch\/","crawl_time":1779362670,"first_indexed_time":1711734913,"http_code":200,"src_unparsed":"dev,twinr!\/blogs\/how-to-create-an-app-from-scratch\/ s443","src_root_hash":"15400799247003641003","history_drop_reason":null,"meta_title":"How To Create A Mobile App From Scratch In 2025: Step-by-Step Guide","meta_descriptions":["Learn how to build your app from scratch in 2025, no coding experience required. Follow our simple guide and launch your app today!"],"meta_canonical":null,"ml_categories_json":"{\"\/Computers_and_Electronics\":701,\"\/Computers_and_Electronics\/Software\":681,\"\/Internet_and_Telecom\":562,\"\/Internet_and_Telecom\/Mobile_and_Wireless\":548,\"\/Internet_and_Telecom\/Mobile_and_Wireless\/Mobile_Apps_and_Add-Ons\":530,\"\/Computers_and_Electronics\/Software\/Software_Utilities\":299}","ml_types_json":"{\"\/Article\":998,\"\/Article\/How_to\":735}","ml_intent_types_json":"{\"Informational\":994}","meta_language":"en","attrs_author":null,"attrs_publish_time":1711705395,"attrs_original_publish_time":1711705395,"attrs_is_republished":0,"attrs_nr_words":"4299","attrs_boilerpipe_nr_words":"3407","body_ext_links_number":23,"body_int_links_number":64,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":1,"src_redirect":"","download_time_msec":1013,"download_ttfb_msec":1003,"download_size":34659}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 3 · Partition 5

laksa003

15400799247003641003

📄

INDEXABLE

✅

CRAWLED

13 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`	0.4 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://twinr.dev/blogs/how-to-create-an-app-from-scratch/

Last Crawled

2026-05-21 11:24:30 (13 days ago)

First Indexed

2024-03-29 17:55:13 (2 years ago)

HTTP Status Code

200

Content

Meta Title

How To Create A Mobile App From Scratch In 2025: Step-by-Step Guide

Meta Description

Learn how to build your app from scratch in 2025, no coding experience required. Follow our simple guide and launch your app 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		70.1%
/Computers_and_Electronics/Software		68.1%
/Internet_and_Telecom		56.2%
/Internet_and_Telecom/Mobile_and_Wireless		54.8%
/Internet_and_Telecom/Mobile_and_Wireless/Mobile_Apps_and_Add-Ons		53.0%
/Computers_and_Electronics/Software/Software_Utilities		29.9%

Raw JSON

{
    "/Computers_and_Electronics": 701,
    "/Computers_and_Electronics/Software": 681,
    "/Internet_and_Telecom": 562,
    "/Internet_and_Telecom/Mobile_and_Wireless": 548,
    "/Internet_and_Telecom/Mobile_and_Wireless/Mobile_Apps_and_Add-Ons": 530,
    "/Computers_and_Electronics/Software/Software_Utilities": 299
}

ML Page Types

/Article		99.8%
/Article/How_to		73.5%

Raw JSON

{
    "/Article": 998,
    "/Article/How_to": 735
}

ML Intent Types

Informational

99.4%

Raw JSON

{
    "Informational": 994
}

Content Metadata

Language

Author

null

Publish Time

2024-03-29 09:43:15 (2 years ago)

Original Publish Time

2024-03-29 09:43:15 (2 years ago)

Republished

Word Count (Total)

4,299

Word Count (Content)

3,407

Links

External Links

Internal Links

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Yes

Redirect Target

null

Performance

Download Time (ms)

1,013

TTFB (ms)

1,003

Download Size (bytes)

34,659

Location

Host ID

3 (laksa003)

Partition ID

Root Hash

15400799247003641003

Unparsed URL

dev,twinr!/blogs/how-to-create-an-app-from-scratch/ s443