🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 191 (from laksa171)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa191.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 = 13 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://myelearningworld.com/best-online-computer-science-courses/\')), getAhrefsUnparsedNoserviceFromURL(\'https://myelearningworld.com/best-online-computer-science-courses/\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/myelearningworld.com\/best-online-computer-science-courses\/","crawl_time":1780215711,"first_indexed_time":1658783801,"http_code":200,"src_unparsed":"com,myelearningworld!\/best-online-computer-science-courses\/ s443","src_root_hash":"2509992468451882791","history_drop_reason":null,"meta_title":"The 13 Best Online Computer Science Courses (2023 Rankings)","meta_descriptions":["With the best online computer science courses, you can get the knowledge and skills you need to build a lucrative career in this field."],"meta_canonical":null,"ml_categories_json":"{\"\/Jobs_and_Education\":925,\"\/Jobs_and_Education\/Education\":924,\"\/Jobs_and_Education\/Education\/Computer_Education\":565,\"\/Computers_and_Electronics\":426,\"\/Computers_and_Electronics\/Software\":268,\"\/Computers_and_Electronics\/Software\/Educational_Software\":264}","ml_types_json":"{\"\/Article\":779,\"\/Article\/Product_or_Brand_Review\":314}","ml_intent_types_json":"{\"Commercial\":831,\"Informational\":661}","meta_language":"en-us","attrs_author":"Fatima Mansoor","attrs_publish_time":1748995200,"attrs_original_publish_time":1658783801,"attrs_is_republished":1,"attrs_nr_words":"4602","attrs_boilerpipe_nr_words":"3489","body_ext_links_number":17,"body_int_links_number":138,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":1,"src_redirect":"","download_time_msec":980,"download_ttfb_msec":745,"download_size":67802}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 191 · Partition 13

laksa191

2509992468451882791

📄

INDEXABLE

✅

CRAWLED

2 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`	0.1 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://myelearningworld.com/best-online-computer-science-courses/

Last Crawled

2026-05-31 08:21:51 (2 days ago)

First Indexed

2022-07-25 21:16:41 (3 years ago)

HTTP Status Code

200

Content

Meta Title

The 13 Best Online Computer Science Courses (2023 Rankings)

Meta Description

With the best online computer science courses, you can get the knowledge and skills you need to build a lucrative career in this field.

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		92.5%
/Jobs_and_Education/Education		92.4%
/Jobs_and_Education/Education/Computer_Education		56.5%
/Computers_and_Electronics		42.6%
/Computers_and_Electronics/Software		26.8%
/Computers_and_Electronics/Software/Educational_Software		26.4%

Raw JSON

{
    "/Jobs_and_Education": 925,
    "/Jobs_and_Education/Education": 924,
    "/Jobs_and_Education/Education/Computer_Education": 565,
    "/Computers_and_Electronics": 426,
    "/Computers_and_Electronics/Software": 268,
    "/Computers_and_Electronics/Software/Educational_Software": 264
}

ML Page Types

/Article		77.9%
/Article/Product_or_Brand_Review		31.4%

Raw JSON

{
    "/Article": 779,
    "/Article/Product_or_Brand_Review": 314
}

ML Intent Types

Commercial		83.1%
Informational		66.1%

Raw JSON

{
    "Commercial": 831,
    "Informational": 661
}

Content Metadata

Language

en-us

Author

Fatima Mansoor

Publish Time

2025-06-04 00:00:00 (12 months ago)

Original Publish Time

2022-07-25 21:16:41 (3 years ago)

Republished

Yes

Word Count (Total)

4,602

Word Count (Content)

3,489

Links

External Links

Internal Links

138

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Yes

Redirect Target

null

Performance

Download Time (ms)

980

TTFB (ms)

745

Download Size (bytes)

67,802

Location

Host ID

191 (laksa191)

Partition ID

Root Hash

2509992468451882791

Unparsed URL

com,myelearningworld!/best-online-computer-science-courses/ s443