🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 179 (from laksa033)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa179.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 = 30 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://publichealth.jhu.edu/2022/covid-year-in-review\')), getAhrefsUnparsedNoserviceFromURL(\'https://publichealth.jhu.edu/2022/covid-year-in-review\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/publichealth.jhu.edu\/2022\/covid-year-in-review","crawl_time":1778965689,"first_indexed_time":1671118527,"http_code":200,"src_unparsed":"edu,jhu!publichealth,\/2022\/covid-year-in-review s443","src_root_hash":"6599457417117746179","history_drop_reason":null,"meta_title":"Covid Year in Review | Johns Hopkins | Bloomberg School of Public Health","meta_descriptions":["As year three of the COVID-19 era draws to a close, pandemic experts weigh in on the good, the bad, and the unknown of COVID-19 in 2022—and look ahead to 2023."],"meta_canonical":null,"ml_categories_json":"{\"\/Health\":866,\"\/Health\/Public_Health\":859,\"\/Health\/Public_Health\/Health_Policy\":842,\"\/Science\":158,\"\/Science\/Biological_Sciences\":142,\"\/Science\/Biological_Sciences\/Other\":138}","ml_types_json":"{\"\/Article\":980,\"\/Article\/News_Update\":499}","ml_intent_types_json":"{\"Informational\":999}","meta_language":"en","attrs_author":null,"attrs_publish_time":1671105600,"attrs_original_publish_time":1671105600,"attrs_is_republished":0,"attrs_nr_words":"1476","attrs_boilerpipe_nr_words":"948","body_ext_links_number":23,"body_int_links_number":87,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":1,"src_redirect":"","download_time_msec":388,"download_ttfb_msec":388,"download_size":16160}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 179 · Partition 30

laksa179

6599457417117746179

📄

INDEXABLE

✅

CRAWLED

17 days 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`	0.6 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://publichealth.jhu.edu/2022/covid-year-in-review

Last Crawled

2026-05-16 21:08:09 (17 days ago)

First Indexed

2022-12-15 15:35:27 (3 years ago)

HTTP Status Code

200

Content

Meta Title

Covid Year in Review | Johns Hopkins | Bloomberg School of Public Health

Meta Description

As year three of the COVID-19 era draws to a close, pandemic experts weigh in on the good, the bad, and the unknown of COVID-19 in 2022—and look ahead to 2023.

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		86.6%
/Health/Public_Health		85.9%
/Health/Public_Health/Health_Policy		84.2%
/Science		15.8%
/Science/Biological_Sciences		14.2%
/Science/Biological_Sciences/Other		13.8%

Raw JSON

{
    "/Health": 866,
    "/Health/Public_Health": 859,
    "/Health/Public_Health/Health_Policy": 842,
    "/Science": 158,
    "/Science/Biological_Sciences": 142,
    "/Science/Biological_Sciences/Other": 138
}

ML Page Types

/Article		98.0%
/Article/News_Update		49.9%

Raw JSON

{
    "/Article": 980,
    "/Article/News_Update": 499
}

ML Intent Types

Informational

99.9%

Raw JSON

{
    "Informational": 999
}

Content Metadata

Language

Author

null

Publish Time

2022-12-15 12:00:00 (3 years ago)

Original Publish Time

2022-12-15 12:00:00 (3 years ago)

Republished

Word Count (Total)

1,476

Word Count (Content)

948

Links

External Links

Internal Links

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Yes

Redirect Target

null

Performance

Download Time (ms)

388

TTFB (ms)

388

Download Size (bytes)

16,160

Location

Host ID

179 (laksa179)

Partition ID

Root Hash

6599457417117746179

Unparsed URL

edu,jhu!publichealth,/2022/covid-year-in-review s443