🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 8 (from laksa001)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa008.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 = 25 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.space.com/russian-soviet-space-stations-history\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.space.com/russian-soviet-space-stations-history\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.space.com\/russian-soviet-space-stations-history","crawl_time":1775653203,"first_indexed_time":1634642364,"http_code":200,"src_unparsed":"com,space!www,\/russian-soviet-space-stations-history s443","src_root_hash":"7770394665477845008","history_drop_reason":null,"meta_title":"Russian and Soviet space stations throughout history | Space","meta_descriptions":["Today's Russian contribution to the International Space Station is only the newest phase of a Soviet space program that's been launching space stations since the 1970s. Here's a history of Soviet and Russian space stations."],"meta_canonical":null,"ml_categories_json":"{\"\/Science\":982,\"\/Science\/Astronomy\":948}","ml_types_json":"{\"\/Article\":991,\"\/Article\/Story\":470}","ml_intent_types_json":"{\"Informational\":999}","meta_language":"en","attrs_author":"Rahul Rao","attrs_publish_time":1634641728,"attrs_original_publish_time":1634641728,"attrs_is_republished":0,"attrs_nr_words":"3389","attrs_boilerpipe_nr_words":"1881","body_ext_links_number":31,"body_int_links_number":135,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":1,"src_redirect":"","download_time_msec":137,"download_ttfb_msec":70,"download_size":279209}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 8 · Partition 25

laksa008

7770394665477845008

📄

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`	1.9 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.space.com/russian-soviet-space-stations-history

Last Crawled

2026-04-08 13:00:03 (1 month ago)

First Indexed

2021-10-19 11:19:24 (4 years ago)

HTTP Status Code

200

Content

Meta Title

Russian and Soviet space stations throughout history | Space

Meta Description

Today's Russian contribution to the International Space Station is only the newest phase of a Soviet space program that's been launching space stations since the 1970s. Here's a history of Soviet and Russian space stations.

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		98.2%
/Science/Astronomy		94.8%

Raw JSON

{
    "/Science": 982,
    "/Science/Astronomy": 948
}

ML Page Types

/Article		99.1%
/Article/Story		47.0%

Raw JSON

{
    "/Article": 991,
    "/Article/Story": 470
}

ML Intent Types

Informational

99.9%

Raw JSON

{
    "Informational": 999
}

Content Metadata

Language

Author

Rahul Rao

Publish Time

2021-10-19 11:08:48 (4 years ago)

Original Publish Time

2021-10-19 11:08:48 (4 years ago)

Republished

Word Count (Total)

3,389

Word Count (Content)

1,881

Links

External Links

Internal Links

135

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Yes

Redirect Target

null

Performance

Download Time (ms)

137

TTFB (ms)

Download Size (bytes)

279,209

Location

Host ID

8 (laksa008)

Partition ID

Root Hash

7770394665477845008

Unparsed URL

com,space!www,/russian-soviet-space-stations-history s443