🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 102 (from laksa088)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa102.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 = 49 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.refontelearning.com/blog/how-to-become-a-natural-language-processing-engineer-in-2025\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.refontelearning.com/blog/how-to-become-a-natural-language-processing-engineer-in-2025\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.refontelearning.com\/blog\/how-to-become-a-natural-language-processing-engineer-in-2025","crawl_time":1780322934,"first_indexed_time":1742511422,"http_code":200,"src_unparsed":"com,refontelearning!www,\/blog\/how-to-become-a-natural-language-processing-engineer-in-2025 s443","src_root_hash":"12709136545681929902","history_drop_reason":null,"meta_title":"Refonte Learning : Exploring the World of Natural Language Processing (NLP)","meta_descriptions":["Learn essential Natural Language processing skills, tools, career tips, and practical learning strategies to launch you to becoming a Natural Language processing engineer with Refonte Learning."],"meta_canonical":null,"ml_categories_json":"{\"\/Computers_and_Electronics\":779,\"\/Computers_and_Electronics\/Software\":464,\"\/Jobs_and_Education\":408,\"\/Jobs_and_Education\/Education\":407,\"\/Computers_and_Electronics\/Software\/Educational_Software\":405,\"\/Jobs_and_Education\/Education\/Computer_Education\":360,\"\/People_and_Society\":124}","ml_types_json":"{\"\/Article\":998,\"\/Article\/Tutorial_or_Guide\":981}","ml_intent_types_json":"{\"Informational\":999}","meta_language":"en","attrs_author":null,"attrs_publish_time":0,"attrs_original_publish_time":1742511422,"attrs_is_republished":0,"attrs_nr_words":"5524","attrs_boilerpipe_nr_words":"5232","body_ext_links_number":11,"body_int_links_number":71,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":0,"src_redirect":"","download_time_msec":1278,"download_ttfb_msec":1195,"download_size":32457}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 102 · Partition 49

laksa102

12709136545681929902

📄

INDEXABLE

✅

CRAWLED

1 day 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`	0.1 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://www.refontelearning.com/blog/how-to-become-a-natural-language-processing-engineer-in-2025

Last Crawled

2026-06-01 14:08:54 (1 day ago)

First Indexed

2025-03-20 22:57:02 (1 year ago)

HTTP Status Code

200

Content

Meta Title

Refonte Learning : Exploring the World of Natural Language Processing (NLP)

Meta Description

Learn essential Natural Language processing skills, tools, career tips, and practical learning strategies to launch you to becoming a Natural Language processing engineer with Refonte Learning.

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		77.9%
/Computers_and_Electronics/Software		46.4%
/Jobs_and_Education		40.8%
/Jobs_and_Education/Education		40.7%
/Computers_and_Electronics/Software/Educational_Software		40.5%
/Jobs_and_Education/Education/Computer_Education		36.0%
/People_and_Society		12.4%

Raw JSON

{
    "/Computers_and_Electronics": 779,
    "/Computers_and_Electronics/Software": 464,
    "/Jobs_and_Education": 408,
    "/Jobs_and_Education/Education": 407,
    "/Computers_and_Electronics/Software/Educational_Software": 405,
    "/Jobs_and_Education/Education/Computer_Education": 360,
    "/People_and_Society": 124
}

ML Page Types

/Article		99.8%
/Article/Tutorial_or_Guide		98.1%

Raw JSON

{
    "/Article": 998,
    "/Article/Tutorial_or_Guide": 981
}

ML Intent Types

Informational

99.9%

Raw JSON

{
    "Informational": 999
}

Content Metadata

Language

Author

null

Publish Time

not set

Original Publish Time

2025-03-20 22:57:02 (1 year ago)

Republished

Word Count (Total)

5,524

Word Count (Content)

5,232

Links

External Links

Internal Links

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Redirect Target

null

Performance

Download Time (ms)

1,278

TTFB (ms)

1,195

Download Size (bytes)

32,457

Location

Host ID

102 (laksa102)

Partition ID

Root Hash

12709136545681929902

Unparsed URL

com,refontelearning!www,/blog/how-to-become-a-natural-language-processing-engineer-in-2025 s443