🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 55 (from laksa024)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa055.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 = 47 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://uiucmcs.org/\')), getAhrefsUnparsedNoserviceFromURL(\'https://uiucmcs.org/\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/uiucmcs.org\/","crawl_time":1780326042,"first_indexed_time":1628139037,"http_code":200,"src_unparsed":"org,uiucmcs!\/ s443","src_root_hash":"14460814563411349455","history_drop_reason":null,"meta_title":"UIUC Master of Computer Science Course Reviews","meta_descriptions":["Course Reviews and information about the Master of Computer Science programs at the University of Illinois at Urbana-Champaign."],"meta_canonical":null,"ml_categories_json":"{\"\/Jobs_and_Education\":902,\"\/Jobs_and_Education\/Education\":902,\"\/Computers_and_Electronics\":805,\"\/Jobs_and_Education\/Education\/Computer_Education\":643,\"\/Computers_and_Electronics\/Software\":395,\"\/Computers_and_Electronics\/Software\/Educational_Software\":387}","ml_types_json":"{\"\/Listing_Collection\":351,\"\/Listing_Collection\/Business\":120}","ml_intent_types_json":"{\"Informational\":979}","meta_language":"en","attrs_author":null,"attrs_publish_time":0,"attrs_original_publish_time":1628139037,"attrs_is_republished":0,"attrs_nr_words":"374","attrs_boilerpipe_nr_words":"310","body_ext_links_number":1,"body_int_links_number":8,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":1,"src_redirect":"","download_time_msec":50,"download_ttfb_msec":50,"download_size":7664}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 55 · Partition 47

laksa055

14460814563411349455

📄

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://uiucmcs.org/

Last Crawled

2026-06-01 15:00:42 (1 day ago)

First Indexed

2021-08-05 04:50:37 (4 years ago)

HTTP Status Code

200

Content

Meta Title

UIUC Master of Computer Science Course Reviews

Meta Description

Course Reviews and information about the Master of Computer Science programs at the University of Illinois at Urbana-Champaign.

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		90.2%
/Jobs_and_Education/Education		90.2%
/Computers_and_Electronics		80.5%
/Jobs_and_Education/Education/Computer_Education		64.3%
/Computers_and_Electronics/Software		39.5%
/Computers_and_Electronics/Software/Educational_Software		38.7%

Raw JSON

{
    "/Jobs_and_Education": 902,
    "/Jobs_and_Education/Education": 902,
    "/Computers_and_Electronics": 805,
    "/Jobs_and_Education/Education/Computer_Education": 643,
    "/Computers_and_Electronics/Software": 395,
    "/Computers_and_Electronics/Software/Educational_Software": 387
}

ML Page Types

/Listing_Collection		35.1%
/Listing_Collection/Business		12.0%

Raw JSON

{
    "/Listing_Collection": 351,
    "/Listing_Collection/Business": 120
}

ML Intent Types

Informational

97.9%

Raw JSON

{
    "Informational": 979
}

Content Metadata

Language

Author

null

Publish Time

not set

Original Publish Time

2021-08-05 04:50:37 (4 years ago)

Republished

Word Count (Total)

374

Word Count (Content)

310

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)

7,664

Location

Host ID

55 (laksa055)

Partition ID

Root Hash

14460814563411349455

Unparsed URL

org,uiucmcs!/ s443