🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 168 (from laksa046)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa168.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 = 88 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://quantum.microsoft.com/en-us/insights/education/concepts/superposition\')), getAhrefsUnparsedNoserviceFromURL(\'https://quantum.microsoft.com/en-us/insights/education/concepts/superposition\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/quantum.microsoft.com\/en-us\/insights\/education\/concepts\/superposition","crawl_time":1775065987,"first_indexed_time":1728228324,"http_code":200,"src_unparsed":"com,microsoft!quantum,\/en-us\/insights\/education\/concepts\/superposition s443","src_root_hash":"14615152987638977768","history_drop_reason":null,"meta_title":"Microsoft Quantum | Superposition","meta_descriptions":["Embedded in the quantum computing overview. Describes how qubits can exist in multiple states simultaneously."],"meta_canonical":null,"ml_categories_json":"{\"\/Computers_and_Electronics\":678,\"\/Science\":534,\"\/Computers_and_Electronics\/Software\":357,\"\/Science\/Computer_Science\":246,\"\/Computers_and_Electronics\/Software\/Educational_Software\":215}","ml_types_json":"{\"\/Article\":955,\"\/Article\/Tutorial_or_Guide\":573}","ml_intent_types_json":"{\"Informational\":999}","meta_language":"en","attrs_author":null,"attrs_publish_time":0,"attrs_original_publish_time":1728228324,"attrs_is_republished":0,"attrs_nr_words":"744","attrs_boilerpipe_nr_words":"374","body_ext_links_number":16,"body_int_links_number":129,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":1,"src_redirect":"","download_time_msec":1588,"download_ttfb_msec":1537,"download_size":18507}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 168 · Partition 88

laksa168

14615152987638977768

📄

INDEXABLE

✅

CRAWLED

2 months 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`	2.1 months ago (distributed domain, exempt)
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://quantum.microsoft.com/en-us/insights/education/concepts/superposition

Last Crawled

2026-04-01 17:53:07 (2 months ago)

First Indexed

2024-10-06 15:25:24 (1 year ago)

HTTP Status Code

200

Content

Meta Title

Microsoft Quantum | Superposition

Meta Description

Embedded in the quantum computing overview. Describes how qubits can exist in multiple states simultaneously.

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		67.8%
/Science		53.4%
/Computers_and_Electronics/Software		35.7%
/Science/Computer_Science		24.6%
/Computers_and_Electronics/Software/Educational_Software		21.5%

Raw JSON

{
    "/Computers_and_Electronics": 678,
    "/Science": 534,
    "/Computers_and_Electronics/Software": 357,
    "/Science/Computer_Science": 246,
    "/Computers_and_Electronics/Software/Educational_Software": 215
}

ML Page Types

/Article		95.5%
/Article/Tutorial_or_Guide		57.3%

Raw JSON

{
    "/Article": 955,
    "/Article/Tutorial_or_Guide": 573
}

ML Intent Types

Informational

99.9%

Raw JSON

{
    "Informational": 999
}

Content Metadata

Language

Author

null

Publish Time

not set

Original Publish Time

2024-10-06 15:25:24 (1 year ago)

Republished

Word Count (Total)

744

Word Count (Content)

374

Links

External Links

Internal Links

129

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Yes

Redirect Target

null

Performance

Download Time (ms)

1,588

TTFB (ms)

1,537

Download Size (bytes)

18,507

Location

Host ID

168 (laksa168)

Partition ID

Root Hash

14615152987638977768

Unparsed URL

com,microsoft!quantum,/en-us/insights/education/concepts/superposition s443