🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 31 (from laksa122)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa031.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 = 55 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://blog.mdpi.com/2021/02/24/improve-your-research-paper/\')), getAhrefsUnparsedNoserviceFromURL(\'https://blog.mdpi.com/2021/02/24/improve-your-research-paper/\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/blog.mdpi.com\/2021\/02\/24\/improve-your-research-paper\/","crawl_time":1775096872,"first_indexed_time":1656772599,"http_code":200,"src_unparsed":"com,mdpi!blog,\/2021\/02\/24\/improve-your-research-paper\/ s443","src_root_hash":"11974975279136771031","history_drop_reason":null,"meta_title":"20 Ways to Improve Your Research Paper - MDPI Blog","meta_descriptions":["How to improve your research paper is sometimes challenging. Here is a straightforward list of tips to improve your work for publication."],"meta_canonical":null,"ml_categories_json":"{\"\/Jobs_and_Education\":799,\"\/Jobs_and_Education\/Education\":796,\"\/Jobs_and_Education\/Education\/Academic_Conferences_and_Publications\":564,\"\/Science\":167,\"\/Science\/Scientific_Institutions\":105}","ml_types_json":"{\"\/Article\":995,\"\/Article\/How_to\":746}","ml_intent_types_json":"{\"Informational\":999}","meta_language":"en-us","attrs_author":"Katherine Bosworth","attrs_publish_time":1614181534,"attrs_original_publish_time":1614181534,"attrs_is_republished":0,"attrs_nr_words":"3389","attrs_boilerpipe_nr_words":"2017","body_ext_links_number":11,"body_int_links_number":46,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":1,"src_redirect":"","download_time_msec":1629,"download_ttfb_msec":1626,"download_size":41773}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 31 · Partition 55

laksa031

11974975279136771031

📄

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`	2.1 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://blog.mdpi.com/2021/02/24/improve-your-research-paper/

Last Crawled

2026-04-02 02:27:52 (2 months ago)

First Indexed

2022-07-02 14:36:39 (3 years ago)

HTTP Status Code

200

Content

Meta Title

20 Ways to Improve Your Research Paper - MDPI Blog

Meta Description

How to improve your research paper is sometimes challenging. Here is a straightforward list of tips to improve your work for publication.

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

/Jobs_and_Education		79.9%
/Jobs_and_Education/Education		79.6%
/Jobs_and_Education/Education/Academic_Conferences_and_Publications		56.4%
/Science		16.7%
/Science/Scientific_Institutions		10.5%

Raw JSON

{
    "/Jobs_and_Education": 799,
    "/Jobs_and_Education/Education": 796,
    "/Jobs_and_Education/Education/Academic_Conferences_and_Publications": 564,
    "/Science": 167,
    "/Science/Scientific_Institutions": 105
}

ML Page Types

/Article		99.5%
/Article/How_to		74.6%

Raw JSON

{
    "/Article": 995,
    "/Article/How_to": 746
}

ML Intent Types

Informational

99.9%

Raw JSON

{
    "Informational": 999
}

Content Metadata

Language

en-us

Author

Katherine Bosworth

Publish Time

2021-02-24 15:45:34 (5 years ago)

Original Publish Time

2021-02-24 15:45:34 (5 years ago)

Republished

Word Count (Total)

3,389

Word Count (Content)

2,017

Links

External Links

Internal Links

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Yes

Redirect Target

null

Performance

Download Time (ms)

1,629

TTFB (ms)

1,626

Download Size (bytes)

41,773

Location

Host ID

31 (laksa031)

Partition ID

Root Hash

11974975279136771031

Unparsed URL

com,mdpi!blog,/2021/02/24/improve-your-research-paper/ s443