🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 26 (from laksa160)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa026.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.learnjazzstandards.com/blog/jazz-trumpet-beginners-guide/\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.learnjazzstandards.com/blog/jazz-trumpet-beginners-guide/\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.learnjazzstandards.com\/blog\/jazz-trumpet-beginners-guide\/","crawl_time":1779948907,"first_indexed_time":1753899468,"http_code":200,"src_unparsed":"com,learnjazzstandards!www,\/blog\/jazz-trumpet-beginners-guide\/ s443","src_root_hash":"4668717287548672826","history_drop_reason":null,"meta_title":"Jazz Trumpet Beginners Guide: Start Here!","meta_descriptions":["In this post, we'll get into everything you need to play jazz trumpet. We'll cover all the technique essentials and get you started on the right foot!"],"meta_canonical":null,"ml_categories_json":"{\"\/Arts_and_Entertainment\":798,\"\/Arts_and_Entertainment\/Music_and_Audio\":786,\"\/Arts_and_Entertainment\/Music_and_Audio\/Music_Education_and_Instruction\":643,\"\/Hobbies_and_Leisure\":187,\"\/Hobbies_and_Leisure\/Other\":167}","ml_types_json":"{\"\/Article\":987,\"\/Article\/Tutorial_or_Guide\":968}","ml_intent_types_json":"{\"Informational\":996}","meta_language":"en-us","attrs_author":"James Melton","attrs_publish_time":1744303431,"attrs_original_publish_time":1744303431,"attrs_is_republished":0,"attrs_nr_words":"6485","attrs_boilerpipe_nr_words":"2824","body_ext_links_number":6,"body_int_links_number":31,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":0,"src_redirect":"","download_time_msec":216,"download_ttfb_msec":148,"download_size":49801}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 26 · Partition 64

laksa026

4668717287548672826

📄

INDEXABLE

✅

CRAWLED

6 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`	0.2 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.learnjazzstandards.com/blog/jazz-trumpet-beginners-guide/

Last Crawled

2026-05-28 06:15:07 (6 days ago)

First Indexed

2025-07-30 18:17:48 (10 months ago)

HTTP Status Code

200

Content

Meta Title

Jazz Trumpet Beginners Guide: Start Here!

Meta Description

In this post, we'll get into everything you need to play jazz trumpet. We'll cover all the technique essentials and get you started on the right foot!

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

/Arts_and_Entertainment		79.8%
/Arts_and_Entertainment/Music_and_Audio		78.6%
/Arts_and_Entertainment/Music_and_Audio/Music_Education_and_Instruction		64.3%
/Hobbies_and_Leisure		18.7%
/Hobbies_and_Leisure/Other		16.7%

Raw JSON

{
    "/Arts_and_Entertainment": 798,
    "/Arts_and_Entertainment/Music_and_Audio": 786,
    "/Arts_and_Entertainment/Music_and_Audio/Music_Education_and_Instruction": 643,
    "/Hobbies_and_Leisure": 187,
    "/Hobbies_and_Leisure/Other": 167
}

ML Page Types

/Article		98.7%
/Article/Tutorial_or_Guide		96.8%

Raw JSON

{
    "/Article": 987,
    "/Article/Tutorial_or_Guide": 968
}

ML Intent Types

Informational

99.6%

Raw JSON

{
    "Informational": 996
}

Content Metadata

Language

en-us

Author

James Melton

Publish Time

2025-04-10 16:43:51 (1 year ago)

Original Publish Time

2025-04-10 16:43:51 (1 year ago)

Republished

Word Count (Total)

6,485

Word Count (Content)

2,824

Links

External Links

Internal Links

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Redirect Target

null

Performance

Download Time (ms)

216

TTFB (ms)

148

Download Size (bytes)

49,801

Location

Host ID

26 (laksa026)

Partition ID

Root Hash

4668717287548672826

Unparsed URL

com,learnjazzstandards!www,/blog/jazz-trumpet-beginners-guide/ s443