🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 160 (from laksa018)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa160.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 = 68 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://tapestry.apache.org/persistent-page-data.html\')), getAhrefsUnparsedNoserviceFromURL(\'https://tapestry.apache.org/persistent-page-data.html\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/tapestry.apache.org\/persistent-page-data.html","crawl_time":1772614621,"first_indexed_time":1399719410,"http_code":200,"src_unparsed":"org,apache!tapestry,\/persistent-page-data.html s443","src_root_hash":"12506625474657113760","history_drop_reason":null,"meta_title":"Persistent Page Data - Apache Tapestry","meta_descriptions":["Apache Tapestry is a open-source component-oriented framework for creating dynamic, robust, highly scalable web applications in Java. Tapestry complements and builds upon the standard Java Servlet API, and so it works in any servlet container or application server."],"meta_canonical":null,"ml_categories_json":"{\"\/Computers_and_Electronics\":921,\"\/Computers_and_Electronics\/Software\":831,\"\/Computers_and_Electronics\/Software\/Open_Source\":560,\"\/Internet_and_Telecom\":321,\"\/Internet_and_Telecom\/Web_Services\":312,\"\/Internet_and_Telecom\/Web_Services\/Web_Design_and_Development\":288}","ml_types_json":"{\"\/Document\":544,\"\/Document\/Manual\":491}","ml_intent_types_json":"{\"Informational\":998}","meta_language":null,"attrs_author":null,"attrs_publish_time":0,"attrs_original_publish_time":1399719410,"attrs_is_republished":0,"attrs_nr_words":"1387","attrs_boilerpipe_nr_words":"1139","body_ext_links_number":6,"body_int_links_number":37,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":1,"src_redirect":"","download_time_msec":90,"download_ttfb_msec":89,"download_size":7401}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 160 · Partition 68

laksa160

12506625474657113760

📄

INDEXABLE

✅

CRAWLED

3 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`	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://tapestry.apache.org/persistent-page-data.html

Last Crawled

2026-03-04 08:57:01 (3 months ago)

First Indexed

2014-05-10 10:56:50 (12 years ago)

HTTP Status Code

200

Content

Meta Title

Persistent Page Data - Apache Tapestry

Meta Description

Apache Tapestry is a open-source component-oriented framework for creating dynamic, robust, highly scalable web applications in Java. Tapestry complements and builds upon the standard Java Servlet API, and so it works in any servlet container or application server.

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		92.1%
/Computers_and_Electronics/Software		83.1%
/Computers_and_Electronics/Software/Open_Source		56.0%
/Internet_and_Telecom		32.1%
/Internet_and_Telecom/Web_Services		31.2%
/Internet_and_Telecom/Web_Services/Web_Design_and_Development		28.8%

Raw JSON

{
    "/Computers_and_Electronics": 921,
    "/Computers_and_Electronics/Software": 831,
    "/Computers_and_Electronics/Software/Open_Source": 560,
    "/Internet_and_Telecom": 321,
    "/Internet_and_Telecom/Web_Services": 312,
    "/Internet_and_Telecom/Web_Services/Web_Design_and_Development": 288
}

ML Page Types

/Document		54.4%
/Document/Manual		49.1%

Raw JSON

{
    "/Document": 544,
    "/Document/Manual": 491
}

ML Intent Types

Informational

99.8%

Raw JSON

{
    "Informational": 998
}

Content Metadata

Language

null

Author

null

Publish Time

not set

Original Publish Time

2014-05-10 10:56:50 (12 years ago)

Republished

Word Count (Total)

1,387

Word Count (Content)

1,139

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)

7,401

Location

Host ID

160 (laksa160)

Partition ID

Root Hash

12506625474657113760

Unparsed URL

org,apache!tapestry,/persistent-page-data.html s443