🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 174 (from laksa158)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa174.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.popsci.com/story/science/covid-test-inaccuracies/\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.popsci.com/story/science/covid-test-inaccuracies/\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.popsci.com\/story\/science\/covid-test-inaccuracies\/","crawl_time":1777255918,"first_indexed_time":1588897246,"http_code":200,"src_unparsed":"com,popsci!www,\/story\/science\/covid-test-inaccuracies\/ s443","src_root_hash":"1151996776091235174","history_drop_reason":null,"meta_title":"COVID-19 tests are far from perfect, but accuracy isn’t the biggest problem","meta_descriptions":["Expanding coronavirus testing is one of the most important tasks public health officials are tackling right now. But questions over accuracy of the two main types of tests have rightly caused concern."],"meta_canonical":null,"ml_categories_json":"{\"\/Health\":981,\"\/Health\/Public_Health\":899,\"\/Health\/Public_Health\/Health_Policy\":859,\"\/Science\":109,\"\/Science\/Biological_Sciences\":104}","ml_types_json":"{\"\/Article\":998,\"\/Article\/Opinion_Piece\":493}","ml_intent_types_json":"{\"Informational\":999}","meta_language":"en-us","attrs_author":"Maureen Ferran","attrs_publish_time":1588896019,"attrs_original_publish_time":1588896019,"attrs_is_republished":0,"attrs_nr_words":"1957","attrs_boilerpipe_nr_words":"1282","body_ext_links_number":37,"body_int_links_number":112,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":1,"src_redirect":"","download_time_msec":859,"download_ttfb_msec":850,"download_size":33093}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 174 · Partition 75

laksa174

1151996776091235174

📄

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`	1.2 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.popsci.com/story/science/covid-test-inaccuracies/

Last Crawled

2026-04-27 02:11:58 (1 month ago)

First Indexed

2020-05-08 00:20:46 (6 years ago)

HTTP Status Code

200

Content

Meta Title

COVID-19 tests are far from perfect, but accuracy isn’t the biggest problem

Meta Description

Expanding coronavirus testing is one of the most important tasks public health officials are tackling right now. But questions over accuracy of the two main types of tests have rightly caused concern.

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

/Health		98.1%
/Health/Public_Health		89.9%
/Health/Public_Health/Health_Policy		85.9%
/Science		10.9%
/Science/Biological_Sciences		10.4%

Raw JSON

{
    "/Health": 981,
    "/Health/Public_Health": 899,
    "/Health/Public_Health/Health_Policy": 859,
    "/Science": 109,
    "/Science/Biological_Sciences": 104
}

ML Page Types

/Article		99.8%
/Article/Opinion_Piece		49.3%

Raw JSON

{
    "/Article": 998,
    "/Article/Opinion_Piece": 493
}

ML Intent Types

Informational

99.9%

Raw JSON

{
    "Informational": 999
}

Content Metadata

Language

en-us

Author

Maureen Ferran

Publish Time

2020-05-08 00:00:19 (6 years ago)

Original Publish Time

2020-05-08 00:00:19 (6 years ago)

Republished

Word Count (Total)

1,957

Word Count (Content)

1,282

Links

External Links

Internal Links

112

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Yes

Redirect Target

null

Performance

Download Time (ms)

859

TTFB (ms)

850

Download Size (bytes)

33,093

Location

Host ID

174 (laksa174)

Partition ID

Root Hash

1151996776091235174

Unparsed URL

com,popsci!www,/story/science/covid-test-inaccuracies/ s443