🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 59 (from laksa174)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa059.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 = 89 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://spectrum.ieee.org/electric-container-ships-are-stuck-on-the-horizon\')), getAhrefsUnparsedNoserviceFromURL(\'https://spectrum.ieee.org/electric-container-ships-are-stuck-on-the-horizon\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/spectrum.ieee.org\/electric-container-ships-are-stuck-on-the-horizon","crawl_time":1776378140,"first_indexed_time":1627594562,"http_code":200,"src_unparsed":"org,ieee!spectrum,\/electric-container-ships-are-stuck-on-the-horizon s443","src_root_hash":"14926137086977277859","history_drop_reason":null,"meta_title":"Electric Container Ships Are Stuck on the Horizon - IEEE Spectrum","meta_descriptions":["Batteries still can’t scale up to power the world’s biggest vessels"],"meta_canonical":null,"ml_categories_json":"{\"\/Science\":744,\"\/Science\/Engineering_and_Technology\":725,\"\/Science\/Engineering_and_Technology\/Other\":613,\"\/Business_and_Industrial\":277,\"\/Business_and_Industrial\/Shipping_and_Logistics\":268,\"\/Business_and_Industrial\/Shipping_and_Logistics\/Freight_Transport\":267,\"\/Business_and_Industrial\/Shipping_and_Logistics\/Freight_Transport\/Maritime_Transport\":259,\"\/Autos_and_Vehicles\":116}","ml_types_json":"{\"\/Article\":996,\"\/Article\/News_Update\":464}","ml_intent_types_json":"{\"Informational\":999}","meta_language":"en","attrs_author":null,"attrs_publish_time":1551297600,"attrs_original_publish_time":1551297600,"attrs_is_republished":0,"attrs_nr_words":"1416","attrs_boilerpipe_nr_words":"615","body_ext_links_number":34,"body_int_links_number":86,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":0,"src_redirect":"","download_time_msec":1081,"download_ttfb_msec":896,"download_size":118136}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 59 · Partition 89

laksa059

14926137086977277859

📄

INDEXABLE

✅

CRAWLED

1 month 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`	1.6 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://spectrum.ieee.org/electric-container-ships-are-stuck-on-the-horizon

Last Crawled

2026-04-16 22:22:20 (1 month ago)

First Indexed

2021-07-29 21:36:02 (4 years ago)

HTTP Status Code

200

Content

Meta Title

Electric Container Ships Are Stuck on the Horizon - IEEE Spectrum

Meta Description

Batteries still can’t scale up to power the world’s biggest vessels

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

/Science		74.4%
/Science/Engineering_and_Technology		72.5%
/Science/Engineering_and_Technology/Other		61.3%
/Business_and_Industrial		27.7%
/Business_and_Industrial/Shipping_and_Logistics		26.8%
/Business_and_Industrial/Shipping_and_Logistics/Freight_Transport		26.7%
/Business_and_Industrial/Shipping_and_Logistics/Freight_Transport/Maritime_Transport		25.9%
/Autos_and_Vehicles		11.6%

Raw JSON

{
    "/Science": 744,
    "/Science/Engineering_and_Technology": 725,
    "/Science/Engineering_and_Technology/Other": 613,
    "/Business_and_Industrial": 277,
    "/Business_and_Industrial/Shipping_and_Logistics": 268,
    "/Business_and_Industrial/Shipping_and_Logistics/Freight_Transport": 267,
    "/Business_and_Industrial/Shipping_and_Logistics/Freight_Transport/Maritime_Transport": 259,
    "/Autos_and_Vehicles": 116
}

ML Page Types

/Article		99.6%
/Article/News_Update		46.4%

Raw JSON

{
    "/Article": 996,
    "/Article/News_Update": 464
}

ML Intent Types

Informational

99.9%

Raw JSON

{
    "Informational": 999
}

Content Metadata

Language

Author

null

Publish Time

2019-02-27 20:00:00 (7 years ago)

Original Publish Time

2019-02-27 20:00:00 (7 years ago)

Republished

Word Count (Total)

1,416

Word Count (Content)

615

Links

External Links

Internal Links

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Redirect Target

null

Performance

Download Time (ms)

1,081

TTFB (ms)

896

Download Size (bytes)

118,136

Location

Host ID

59 (laksa059)

Partition ID

Root Hash

14926137086977277859

Unparsed URL

org,ieee!spectrum,/electric-container-ships-are-stuck-on-the-horizon s443