🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 77 (from laksa138)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa077.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 = 11 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://developers.facebook.com/tools/debug/\')), getAhrefsUnparsedNoserviceFromURL(\'https://developers.facebook.com/tools/debug/\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/developers.facebook.com\/tools\/debug\/","crawl_time":1770448080,"first_indexed_time":0,"http_code":200,"src_unparsed":"com,facebook!developers,\/tools\/debug\/ s443","src_root_hash":"6329005247723782277","history_drop_reason":null,"meta_title":"Sharing Debugger - Meta for Developers","meta_descriptions":[],"meta_canonical":"com,facebook!www,\/tools\/debug\/ s443","ml_categories_json":"{\"\/Computers_and_Electronics\":632,\"\/Computers_and_Electronics\/Software\":625,\"\/Internet_and_Telecom\":617,\"\/Internet_and_Telecom\/Web_Services\":610,\"\/Internet_and_Telecom\/Web_Services\/Web_Design_and_Development\":555,\"\/Computers_and_Electronics\/Software\/Software_Utilities\":476}","ml_types_json":"{\"\/Core_Page\":594,\"\/Core_Page\/Services_Page\":521}","ml_intent_types_json":"{\"Informational\":830,\"Navigational\":139}","meta_language":"en","attrs_author":null,"attrs_publish_time":0,"attrs_original_publish_time":0,"attrs_is_republished":0,"attrs_nr_words":"41","attrs_boilerpipe_nr_words":"33","body_ext_links_number":0,"body_int_links_number":1,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":1,"src_redirect":"","download_time_msec":3369,"download_ttfb_msec":3278,"download_size":297036}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 77 · Partition 11

laksa077

6329005247723782277

🚫

NOT 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`	3.9 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	FAIL	`meta_canonical IS NULL OR = '' OR = src_unparsed`	com,facebook!www,/tools/debug/ s443

Page Details

Property

Value

URL

https://developers.facebook.com/tools/debug/

Last Crawled

2026-02-07 07:08:00 (3 months ago)

First Indexed

not set

HTTP Status Code

200

Content

Meta Title

Sharing Debugger - Meta for Developers

Meta Description

null

Meta Canonical

com,facebook!www,/tools/debug/ s443

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		63.2%
/Computers_and_Electronics/Software		62.5%
/Internet_and_Telecom		61.7%
/Internet_and_Telecom/Web_Services		61.0%
/Internet_and_Telecom/Web_Services/Web_Design_and_Development		55.5%
/Computers_and_Electronics/Software/Software_Utilities		47.6%

Raw JSON

{
    "/Computers_and_Electronics": 632,
    "/Computers_and_Electronics/Software": 625,
    "/Internet_and_Telecom": 617,
    "/Internet_and_Telecom/Web_Services": 610,
    "/Internet_and_Telecom/Web_Services/Web_Design_and_Development": 555,
    "/Computers_and_Electronics/Software/Software_Utilities": 476
}

ML Page Types

/Core_Page		59.4%
/Core_Page/Services_Page		52.1%

Raw JSON

{
    "/Core_Page": 594,
    "/Core_Page/Services_Page": 521
}

ML Intent Types

Informational		83.0%
Navigational		13.9%

Raw JSON

{
    "Informational": 830,
    "Navigational": 139
}

Content Metadata

Language

Author

null

Publish Time

not set

Original Publish Time

not set

Republished

Word Count (Total)

Word Count (Content)

Links

External Links

Internal Links

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Yes

Redirect Target

null

Performance

Download Time (ms)

3,369

TTFB (ms)

3,278

Download Size (bytes)

297,036

Location

Host ID

77 (laksa077)

Partition ID

Root Hash

6329005247723782277

Unparsed URL

com,facebook!developers,/tools/debug/ s443