🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 38 (from laksa002)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa038.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 = 14 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://ehs.cloudapps.unc.edu/ClinicRegistration/covidcert\')), getAhrefsUnparsedNoserviceFromURL(\'https://ehs.cloudapps.unc.edu/ClinicRegistration/covidcert\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/ehs.cloudapps.unc.edu\/ClinicRegistration\/covidcert","crawl_time":1773751275,"first_indexed_time":1616155250,"http_code":200,"src_unparsed":"edu,unc!cloudapps,ehs,\/ClinicRegistration\/covidcert s443","src_root_hash":"10890332060902242838","history_drop_reason":null,"meta_title":"COVID-19 Vaccine Certification","meta_descriptions":[],"meta_canonical":null,"ml_categories_json":"{\"\/Health\":684,\"\/Jobs_and_Education\":663,\"\/Jobs_and_Education\/Education\":659,\"\/Health\/Public_Health\":551,\"\/Jobs_and_Education\/Education\/Colleges_and_Universities\":532,\"\/Health\/Public_Health\/Health_Policy\":461,\"\/Law_and_Government\":169,\"\/Law_and_Government\/Public_Safety\":106}","ml_types_json":"{\"\/Core_Page\":962,\"\/Core_Page\/Services_Page\":914}","ml_intent_types_json":"{\"Navigational\":835,\"Transactional\":332}","meta_language":null,"attrs_author":null,"attrs_publish_time":0,"attrs_original_publish_time":1616155250,"attrs_is_republished":0,"attrs_nr_words":"229","attrs_boilerpipe_nr_words":"118","body_ext_links_number":1,"body_int_links_number":27,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":1,"src_redirect":"","download_time_msec":138,"download_ttfb_msec":126,"download_size":5225}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 38 · Partition 14

laksa038

10890332060902242838

📄

INDEXABLE

✅

CRAWLED

2 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`	2.6 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://ehs.cloudapps.unc.edu/ClinicRegistration/covidcert

Last Crawled

2026-03-17 12:41:15 (2 months ago)

First Indexed

2021-03-19 12:00:50 (5 years ago)

HTTP Status Code

200

Content

Meta Title

COVID-19 Vaccine Certification

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

/Health		68.4%
/Jobs_and_Education		66.3%
/Jobs_and_Education/Education		65.9%
/Health/Public_Health		55.1%
/Jobs_and_Education/Education/Colleges_and_Universities		53.2%
/Health/Public_Health/Health_Policy		46.1%
/Law_and_Government		16.9%
/Law_and_Government/Public_Safety		10.6%

Raw JSON

{
    "/Health": 684,
    "/Jobs_and_Education": 663,
    "/Jobs_and_Education/Education": 659,
    "/Health/Public_Health": 551,
    "/Jobs_and_Education/Education/Colleges_and_Universities": 532,
    "/Health/Public_Health/Health_Policy": 461,
    "/Law_and_Government": 169,
    "/Law_and_Government/Public_Safety": 106
}

ML Page Types

/Core_Page		96.2%
/Core_Page/Services_Page		91.4%

Raw JSON

{
    "/Core_Page": 962,
    "/Core_Page/Services_Page": 914
}

ML Intent Types

Navigational		83.5%
Transactional		33.2%

Raw JSON

{
    "Navigational": 835,
    "Transactional": 332
}

Content Metadata

Language

null

Author

null

Publish Time

not set

Original Publish Time

2021-03-19 12:00:50 (5 years ago)

Republished

Word Count (Total)

229

Word Count (Content)

118

Links

External Links

Internal Links

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Yes

Redirect Target

null

Performance

Download Time (ms)

138

TTFB (ms)

126

Download Size (bytes)

5,225

Location

Host ID

38 (laksa038)

Partition ID

Root Hash

10890332060902242838

Unparsed URL

edu,unc!cloudapps,ehs,/ClinicRegistration/covidcert s443