🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 15 (from laksa051)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa015.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 = 14 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.umassd.edu/programs/computer-science-graduate-cert-online/\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.umassd.edu/programs/computer-science-graduate-cert-online/\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.umassd.edu\/programs\/computer-science-graduate-cert-online\/","crawl_time":1780168941,"first_indexed_time":1538306536,"http_code":200,"src_unparsed":"edu,umassd!www,\/programs\/computer-science-graduate-cert-online\/ s443","src_root_hash":"17430297135338182815","history_drop_reason":null,"meta_title":"Computer Science Online Graduate Certificate Program | UMass Dartmouth Online","meta_descriptions":["Achieve advanced knowledge and gain an understanding of advances in modern computing with an online graduate certificate in computer science."],"meta_canonical":null,"ml_categories_json":"{\"\/Jobs_and_Education\":972,\"\/Jobs_and_Education\/Education\":972,\"\/Jobs_and_Education\/Education\/Computer_Education\":849,\"\/Computers_and_Electronics\":621,\"\/Computers_and_Electronics\/Software\":360,\"\/Computers_and_Electronics\/Software\/Educational_Software\":350}","ml_types_json":"{\"\/Core_Page\":913,\"\/Core_Page\/Services_Page\":901}","ml_intent_types_json":"{\"Informational\":862,\"Navigational\":204,\"Commercial\":180,\"Transactional\":169}","meta_language":"en","attrs_author":"University of Massachusetts Dartmouth","attrs_publish_time":1775001600,"attrs_original_publish_time":1538306536,"attrs_is_republished":1,"attrs_nr_words":"1166","attrs_boilerpipe_nr_words":"336","body_ext_links_number":12,"body_int_links_number":53,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":1,"src_redirect":"","download_time_msec":83,"download_ttfb_msec":82,"download_size":21200}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 15 · Partition 14

laksa015

17430297135338182815

📄

INDEXABLE

✅

CRAWLED

3 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://www.umassd.edu/programs/computer-science-graduate-cert-online/

Last Crawled

2026-05-30 19:22:21 (3 days ago)

First Indexed

2018-09-30 11:22:16 (7 years ago)

HTTP Status Code

200

Content

Meta Title

Computer Science Online Graduate Certificate Program | UMass Dartmouth Online

Meta Description

Achieve advanced knowledge and gain an understanding of advances in modern computing with an online graduate certificate in computer science.

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		97.2%
/Jobs_and_Education/Education		97.2%
/Jobs_and_Education/Education/Computer_Education		84.9%
/Computers_and_Electronics		62.1%
/Computers_and_Electronics/Software		36.0%
/Computers_and_Electronics/Software/Educational_Software		35.0%

Raw JSON

{
    "/Jobs_and_Education": 972,
    "/Jobs_and_Education/Education": 972,
    "/Jobs_and_Education/Education/Computer_Education": 849,
    "/Computers_and_Electronics": 621,
    "/Computers_and_Electronics/Software": 360,
    "/Computers_and_Electronics/Software/Educational_Software": 350
}

ML Page Types

/Core_Page		91.3%
/Core_Page/Services_Page		90.1%

Raw JSON

{
    "/Core_Page": 913,
    "/Core_Page/Services_Page": 901
}

ML Intent Types

Informational		86.2%
Navigational		20.4%
Commercial		18.0%
Transactional		16.9%

Raw JSON

{
    "Informational": 862,
    "Navigational": 204,
    "Commercial": 180,
    "Transactional": 169
}

Content Metadata

Language

Author

University of Massachusetts Dartmouth

Publish Time

2026-04-01 00:00:00 (2 months ago)

Original Publish Time

2018-09-30 11:22:16 (7 years ago)

Republished

Yes

Word Count (Total)

1,166

Word Count (Content)

336

Links

External Links

Internal Links

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Yes

Redirect Target

null

Performance

Download Time (ms)

TTFB (ms)

Download Size (bytes)

21,200

Location

Host ID

15 (laksa015)

Partition ID

Root Hash

17430297135338182815

Unparsed URL

edu,umassd!www,/programs/computer-science-graduate-cert-online/ s443