🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 133 (from laksa086)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa133.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 = 64 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.colorado.edu/cs/academics/online-programs/mscs-coursera/faq\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.colorado.edu/cs/academics/online-programs/mscs-coursera/faq\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.colorado.edu\/cs\/academics\/online-programs\/mscs-coursera\/faq","crawl_time":1777186537,"first_indexed_time":1683735599,"http_code":200,"src_unparsed":"edu,colorado!www,\/cs\/academics\/online-programs\/mscs-coursera\/faq s443","src_root_hash":"12371031771796992933","history_drop_reason":null,"meta_title":"MS-CS and MS-AI Online FAQ | Computer Science | University of Colorado Boulder","meta_descriptions":["Find answers to common questions below. Click a topic below to jump directly to that section."],"meta_canonical":null,"ml_categories_json":"{\"\/Jobs_and_Education\":915,\"\/Jobs_and_Education\/Education\":913,\"\/Jobs_and_Education\/Education\/Computer_Education\":661,\"\/Computers_and_Electronics\":631,\"\/Computers_and_Electronics\/Software\":511,\"\/Computers_and_Electronics\/Software\/Educational_Software\":470}","ml_types_json":"{\"\/Core_Page\":931,\"\/Core_Page\/FAQ_Page\":921}","ml_intent_types_json":"{\"Informational\":995,\"Navigational\":106}","meta_language":"en","attrs_author":null,"attrs_publish_time":0,"attrs_original_publish_time":1683735599,"attrs_is_republished":0,"attrs_nr_words":"11683","attrs_boilerpipe_nr_words":"10263","body_ext_links_number":58,"body_int_links_number":148,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":0,"src_redirect":"","download_time_msec":2679,"download_ttfb_msec":2641,"download_size":52527}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 133 · Partition 64

laksa133

12371031771796992933

📄

INDEXABLE

✅

CRAWLED

1 month 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`	1.3 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.colorado.edu/cs/academics/online-programs/mscs-coursera/faq

Last Crawled

2026-04-26 06:55:37 (1 month ago)

First Indexed

2023-05-10 16:19:59 (3 years ago)

HTTP Status Code

200

Content

Meta Title

MS-CS and MS-AI Online FAQ | Computer Science | University of Colorado Boulder

Meta Description

Find answers to common questions below. Click a topic below to jump directly to that section.

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		91.5%
/Jobs_and_Education/Education		91.3%
/Jobs_and_Education/Education/Computer_Education		66.1%
/Computers_and_Electronics		63.1%
/Computers_and_Electronics/Software		51.1%
/Computers_and_Electronics/Software/Educational_Software		47.0%

Raw JSON

{
    "/Jobs_and_Education": 915,
    "/Jobs_and_Education/Education": 913,
    "/Jobs_and_Education/Education/Computer_Education": 661,
    "/Computers_and_Electronics": 631,
    "/Computers_and_Electronics/Software": 511,
    "/Computers_and_Electronics/Software/Educational_Software": 470
}

ML Page Types

/Core_Page		93.1%
/Core_Page/FAQ_Page		92.1%

Raw JSON

{
    "/Core_Page": 931,
    "/Core_Page/FAQ_Page": 921
}

ML Intent Types

Informational		99.5%
Navigational		10.6%

Raw JSON

{
    "Informational": 995,
    "Navigational": 106
}

Content Metadata

Language

Author

null

Publish Time

not set

Original Publish Time

2023-05-10 16:19:59 (3 years ago)

Republished

Word Count (Total)

11,683

Word Count (Content)

10,263

Links

External Links

Internal Links

148

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Redirect Target

null

Performance

Download Time (ms)

2,679

TTFB (ms)

2,641

Download Size (bytes)

52,527

Location

Host ID

133 (laksa133)

Partition ID

Root Hash

12371031771796992933

Unparsed URL

edu,colorado!www,/cs/academics/online-programs/mscs-coursera/faq s443