🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 36 (from laksa019)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa036.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 = 84 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://interestingengineering.com/innovation/how-can-you-save-your-life-when-your-ship-goes-down\')), getAhrefsUnparsedNoserviceFromURL(\'https://interestingengineering.com/innovation/how-can-you-save-your-life-when-your-ship-goes-down\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/interestingengineering.com\/innovation\/how-can-you-save-your-life-when-your-ship-goes-down","crawl_time":1779492517,"first_indexed_time":1659015110,"http_code":200,"src_unparsed":"com,interestingengineering!\/innovation\/how-can-you-save-your-life-when-your-ship-goes-down s443","src_root_hash":"8172655675823376836","history_drop_reason":null,"meta_title":"How Can You Save Your Life When Your Ship Goes Down?","meta_descriptions":["What options are available to save lives when a ship sinks?"],"meta_canonical":null,"ml_categories_json":"{\"\/Travel_and_Transportation\":477,\"\/Reference\":403,\"\/Travel_and_Transportation\/Transportation\":355,\"\/Travel_and_Transportation\/Transportation\/Cruises_and_Charters\":291,\"\/Reference\/Technical_Reference\":264,\"\/Science\":239,\"\/Sports\":206,\"\/Sports\/Water_Sports\":203,\"\/Science\/Engineering_and_Technology\":175,\"\/Science\/Engineering_and_Technology\/Other\":167,\"\/Sports\/Water_Sports\/Other\":167,\"\/Law_and_Government\":112}","ml_types_json":"{\"\/Article\":991,\"\/Article\/How_to\":689}","ml_intent_types_json":"{\"Informational\":998}","meta_language":"en","attrs_author":"Christopher McFadden","attrs_publish_time":0,"attrs_original_publish_time":1659015110,"attrs_is_republished":0,"attrs_nr_words":"5585","attrs_boilerpipe_nr_words":"4597","body_ext_links_number":55,"body_int_links_number":64,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":0,"src_redirect":"","download_time_msec":1598,"download_ttfb_msec":1590,"download_size":80175}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 36 · Partition 84

laksa036

8172655675823376836

📄

INDEXABLE

✅

CRAWLED

11 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`	0.4 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://interestingengineering.com/innovation/how-can-you-save-your-life-when-your-ship-goes-down

Last Crawled

2026-05-22 23:28:37 (11 days ago)

First Indexed

2022-07-28 13:31:50 (3 years ago)

HTTP Status Code

200

Content

Meta Title

How Can You Save Your Life When Your Ship Goes Down?

Meta Description

What options are available to save lives when a ship sinks?

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

/Travel_and_Transportation		47.7%
/Reference		40.3%
/Travel_and_Transportation/Transportation		35.5%
/Travel_and_Transportation/Transportation/Cruises_and_Charters		29.1%
/Reference/Technical_Reference		26.4%
/Science		23.9%
/Sports		20.6%
/Sports/Water_Sports		20.3%
/Science/Engineering_and_Technology		17.5%
/Science/Engineering_and_Technology/Other		16.7%
/Sports/Water_Sports/Other		16.7%
/Law_and_Government		11.2%

Raw JSON

{
    "/Travel_and_Transportation": 477,
    "/Reference": 403,
    "/Travel_and_Transportation/Transportation": 355,
    "/Travel_and_Transportation/Transportation/Cruises_and_Charters": 291,
    "/Reference/Technical_Reference": 264,
    "/Science": 239,
    "/Sports": 206,
    "/Sports/Water_Sports": 203,
    "/Science/Engineering_and_Technology": 175,
    "/Science/Engineering_and_Technology/Other": 167,
    "/Sports/Water_Sports/Other": 167,
    "/Law_and_Government": 112
}

ML Page Types

/Article		99.1%
/Article/How_to		68.9%

Raw JSON

{
    "/Article": 991,
    "/Article/How_to": 689
}

ML Intent Types

Informational

99.8%

Raw JSON

{
    "Informational": 998
}

Content Metadata

Language

Author

Christopher McFadden

Publish Time

not set

Original Publish Time

2022-07-28 13:31:50 (3 years ago)

Republished

Word Count (Total)

5,585

Word Count (Content)

4,597

Links

External Links

Internal Links

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Redirect Target

null

Performance

Download Time (ms)

1,598

TTFB (ms)

1,590

Download Size (bytes)

80,175

Location

Host ID

36 (laksa036)

Partition ID

Root Hash

8172655675823376836

Unparsed URL

com,interestingengineering!/innovation/how-can-you-save-your-life-when-your-ship-goes-down s443