🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 23 (from laksa065)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa023.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 = 75 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.science.org/content/article/clotting-proteins-linked-long-covid-s-brain-fog\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.science.org/content/article/clotting-proteins-linked-long-covid-s-brain-fog\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.science.org\/content\/article\/clotting-proteins-linked-long-covid-s-brain-fog","crawl_time":1768686116,"first_indexed_time":1693522122,"http_code":200,"src_unparsed":"org,science!www,\/content\/article\/clotting-proteins-linked-long-covid-s-brain-fog s443","src_root_hash":"18350995765413815023","history_drop_reason":null,"meta_title":"Clotting proteins linked to Long Covid’s brain fog | Science | AAAS","meta_descriptions":[],"meta_canonical":null,"ml_categories_json":"{\"\/Science\":935,\"\/Science\/Biological_Sciences\":933,\"\/Science\/Biological_Sciences\/Neuroscience\":914,\"\/Health\":379,\"\/Health\/Mental_Health\":161,\"\/Health\/Mental_Health\/Other\":108}","ml_types_json":"{\"\/Article\":999,\"\/Article\/Study_or_Research_Findings\":736}","ml_intent_types_json":"{\"Informational\":999}","meta_language":"en","attrs_author":"Catherine Offord","attrs_publish_time":0,"attrs_original_publish_time":1693522122,"attrs_is_republished":0,"attrs_nr_words":"2380","attrs_boilerpipe_nr_words":"1049","body_ext_links_number":33,"body_int_links_number":93,"meta_nofollow":0,"meta_noarchive":1,"props_was_rendered":1,"src_redirect":"","download_time_msec":867,"download_ttfb_msec":208,"download_size":56199}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 23 · Partition 75

laksa023

18350995765413815023

📄

INDEXABLE

✅

CRAWLED

4 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`	4.6 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://www.science.org/content/article/clotting-proteins-linked-long-covid-s-brain-fog

Last Crawled

2026-01-17 21:41:56 (4 months ago)

First Indexed

2023-08-31 22:48:42 (2 years ago)

HTTP Status Code

200

Content

Meta Title

Clotting proteins linked to Long Covid’s brain fog | Science | AAAS

Meta Description

null

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		93.5%
/Science/Biological_Sciences		93.3%
/Science/Biological_Sciences/Neuroscience		91.4%
/Health		37.9%
/Health/Mental_Health		16.1%
/Health/Mental_Health/Other		10.8%

Raw JSON

{
    "/Science": 935,
    "/Science/Biological_Sciences": 933,
    "/Science/Biological_Sciences/Neuroscience": 914,
    "/Health": 379,
    "/Health/Mental_Health": 161,
    "/Health/Mental_Health/Other": 108
}

ML Page Types

/Article		99.9%
/Article/Study_or_Research_Findings		73.6%

Raw JSON

{
    "/Article": 999,
    "/Article/Study_or_Research_Findings": 736
}

ML Intent Types

Informational

99.9%

Raw JSON

{
    "Informational": 999
}

Content Metadata

Language

Author

Catherine Offord

Publish Time

not set

Original Publish Time

2023-08-31 22:48:42 (2 years ago)

Republished

Word Count (Total)

2,380

Word Count (Content)

1,049

Links

External Links

Internal Links

Technical SEO

Meta Nofollow

Meta Noarchive

Yes

JS Rendered

Yes

Redirect Target

null

Performance

Download Time (ms)

867

TTFB (ms)

208

Download Size (bytes)

56,199

Location

Host ID

23 (laksa023)

Partition ID

Root Hash

18350995765413815023

Unparsed URL

org,science!www,/content/article/clotting-proteins-linked-long-covid-s-brain-fog s443