🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 148 (from laksa184)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa148.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 = 63 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.advisory.com/daily-briefing/2020/07/24/covid-reinfection\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.advisory.com/daily-briefing/2020/07/24/covid-reinfection\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.advisory.com\/daily-briefing\/2020\/07\/24\/covid-reinfection","crawl_time":1777355402,"first_indexed_time":1595683118,"http_code":200,"src_unparsed":"com,advisory!www,\/daily-briefing\/2020\/07\/24\/covid-reinfection s443","src_root_hash":"12271137716583932748","history_drop_reason":null,"meta_title":"Can you catch the coronavirus twice? Here's what research says.","meta_descriptions":["Recent media reports have claimed that some recovered Covid-19 patients have been reinfected with the coronavirus, sparking doubts about whether people can ever gain lasting immunity against the virus. But what does the evidence say?"],"meta_canonical":null,"ml_categories_json":"{\"\/Health\":947,\"\/Health\/Public_Health\":776,\"\/Health\/Public_Health\/Health_Policy\":729,\"\/Science\":232,\"\/Science\/Biological_Sciences\":229,\"\/Science\/Biological_Sciences\/Other\":182}","ml_types_json":"{\"\/Article\":980,\"\/Article\/Study_or_Research_Findings\":534}","ml_intent_types_json":"{\"Informational\":999}","meta_language":"en","attrs_author":null,"attrs_publish_time":0,"attrs_original_publish_time":1595548800,"attrs_is_republished":0,"attrs_nr_words":"2783","attrs_boilerpipe_nr_words":"1274","body_ext_links_number":18,"body_int_links_number":115,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":0,"src_redirect":"","download_time_msec":1044,"download_ttfb_msec":951,"download_size":26628}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 148 · Partition 63

laksa148

12271137716583932748

📄

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.advisory.com/daily-briefing/2020/07/24/covid-reinfection

Last Crawled

2026-04-28 05:50:02 (1 month ago)

First Indexed

2020-07-25 13:18:38 (5 years ago)

HTTP Status Code

200

Content

Meta Title

Can you catch the coronavirus twice? Here's what research says.

Meta Description

Recent media reports have claimed that some recovered Covid-19 patients have been reinfected with the coronavirus, sparking doubts about whether people can ever gain lasting immunity against the virus. But what does the evidence say?

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		94.7%
/Health/Public_Health		77.6%
/Health/Public_Health/Health_Policy		72.9%
/Science		23.2%
/Science/Biological_Sciences		22.9%
/Science/Biological_Sciences/Other		18.2%

Raw JSON

{
    "/Health": 947,
    "/Health/Public_Health": 776,
    "/Health/Public_Health/Health_Policy": 729,
    "/Science": 232,
    "/Science/Biological_Sciences": 229,
    "/Science/Biological_Sciences/Other": 182
}

ML Page Types

/Article		98.0%
/Article/Study_or_Research_Findings		53.4%

Raw JSON

{
    "/Article": 980,
    "/Article/Study_or_Research_Findings": 534
}

ML Intent Types

Informational

99.9%

Raw JSON

{
    "Informational": 999
}

Content Metadata

Language

Author

null

Publish Time

not set

Original Publish Time

2020-07-24 00:00:00 (5 years ago)

Republished

Word Count (Total)

2,783

Word Count (Content)

1,274

Links

External Links

Internal Links

115

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Redirect Target

null

Performance

Download Time (ms)

1,044

TTFB (ms)

951

Download Size (bytes)

26,628

Location

Host ID

148 (laksa148)

Partition ID

Root Hash

12271137716583932748

Unparsed URL

com,advisory!www,/daily-briefing/2020/07/24/covid-reinfection s443