🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 158 (from laksa024)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa158.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, attrs_boilerpipe_text AS attrs_boilerpipe_text, attrs_markdown AS attrs_markdown, attrs_readable_markdown AS attrs_readable_markdown, 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 (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.vaccine.gov.sg/health-advisory/\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.vaccine.gov.sg/health-advisory/\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.vaccine.gov.sg\/health-advisory\/","crawl_time":1776925394,"first_indexed_time":1611223874,"http_code":200,"src_unparsed":"sg,gov,vaccine!www,\/health-advisory\/ s443","src_root_hash":"9566530387264525558","history_drop_reason":null,"meta_title":"Ministry of Health Singapore | Vaccinations","meta_descriptions":["Discover which vaccines you need in Singapore, check your eligibility for government subsidies, and book a same-day appointment at a nearby clinic. Trusted government health services at your fingertips."],"attrs_boilerpipe_text":"Oops! This page isn't feeling well\nWe can’t find the page you were looking for. Please double check the URL, or head to our homepage.","attrs_markdown":"A Singapore Government Agency Website. Beware of government impersonation scams.\n\nHow to identify\n\nOfficial website links end with .gov.sg\n\nGovernment agencies communicate via **.gov.sg** websites (e.g. go.gov.sg\/open).\n\n[Trusted websites](https:\/\/go.gov.sg\/trusted-sites)\n\nSecure websites use HTTPS\n\nLook for a lock (\n\n) or https:\/\/ as an added precaution.  \nShare sensitive information only on official, secure websites.\n\nScam alert\n\nGovernment officers will never ask you to send money or share your details over the phone. **When unsure, hang up and call Scamshield at 1799.**\n\nEnglish\n\nEnglish\n\n中文\n\nMelayu\n\nதமிழ்\n\n![](https:\/\/www.vaccine.gov.sg\/assets\/generic-error-page-0d257988.svg)\n\nOops! This page isn't feeling well\n\nWe can’t find the page you were looking for. Please double check the URL, or head to our homepage.\n\nBack to home","attrs_readable_markdown":"Oops! This page isn't feeling well\n\nWe can’t find the page you were looking for. Please double check the URL, or head to our homepage.","meta_canonical":null,"ml_categories_json":"{\"\/Health\":951,\"\/Health\/Public_Health\":933,\"\/Health\/Public_Health\/Health_Policy\":908,\"\/Law_and_Government\":527,\"\/Law_and_Government\/Public_Safety\":317,\"\/Law_and_Government\/Public_Safety\/Other\":178}","ml_types_json":"{\"\/Core_Page\":942,\"\/Core_Page\/Services_Page\":760}","ml_intent_types_json":"{\"Informational\":827,\"Navigational\":384,\"Transactional\":125}","meta_language":"en","attrs_author":null,"attrs_publish_time":0,"attrs_original_publish_time":1611223874,"attrs_is_republished":0,"attrs_nr_words":"119","attrs_boilerpipe_nr_words":"25","body_ext_links_number":3,"body_int_links_number":0,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":1,"src_redirect":"","download_time_msec":1408,"download_ttfb_msec":1408,"download_size":1449}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📄

INDEXABLE

✅

CRAWLED

10 hours 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 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.vaccine.gov.sg/health-advisory/

Last Crawled

2026-04-23 06:23:14 (10 hours ago)

First Indexed

2021-01-21 10:11:14 (5 years ago)

HTTP Status Code

200

Content

Meta Title

Ministry of Health Singapore | Vaccinations

Meta Description

Discover which vaccines you need in Singapore, check your eligibility for government subsidies, and book a same-day appointment at a nearby clinic. Trusted government health services at your fingertips.

Meta Canonical

null

Boilerpipe Text

Oops! This page isn't feeling well We can’t find the page you were looking for. Please double check the URL, or head to our homepage.

Markdown

A Singapore Government Agency Website. Beware of government impersonation scams. How to identify Official website links end with .gov.sg Government agencies communicate via **.gov.sg** websites (e.g. go.gov.sg/open). [Trusted websites](https://go.gov.sg/trusted-sites) Secure websites use HTTPS Look for a lock ( ) or https:// as an added precaution. Share sensitive information only on official, secure websites. Scam alert Government officers will never ask you to send money or share your details over the phone. **When unsure, hang up and call Scamshield at 1799.** English English 中文 Melayu தமிழ் ![](https://www.vaccine.gov.sg/assets/generic-error-page-0d257988.svg) Oops! This page isn't feeling well We can’t find the page you were looking for. Please double check the URL, or head to our homepage. Back to home

Readable Markdown

Oops! This page isn't feeling well We can’t find the page you were looking for. Please double check the URL, or head to our homepage.

ML Classification

ML Categories

/Health		95.1%
/Health/Public_Health		93.3%
/Health/Public_Health/Health_Policy		90.8%
/Law_and_Government		52.7%
/Law_and_Government/Public_Safety		31.7%
/Law_and_Government/Public_Safety/Other		17.8%

Raw JSON

{
    "/Health": 951,
    "/Health/Public_Health": 933,
    "/Health/Public_Health/Health_Policy": 908,
    "/Law_and_Government": 527,
    "/Law_and_Government/Public_Safety": 317,
    "/Law_and_Government/Public_Safety/Other": 178
}

ML Page Types

/Core_Page		94.2%
/Core_Page/Services_Page		76.0%

Raw JSON

{
    "/Core_Page": 942,
    "/Core_Page/Services_Page": 760
}

ML Intent Types

Informational		82.7%
Navigational		38.4%
Transactional		12.5%

Raw JSON

{
    "Informational": 827,
    "Navigational": 384,
    "Transactional": 125
}

Content Metadata

Language

Author

null

Publish Time

not set

Original Publish Time

2021-01-21 10:11:14 (5 years ago)

Republished

Word Count (Total)

119

Word Count (Content)

Links

External Links

Internal Links

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Yes

Redirect Target

null

Performance

Download Time (ms)

1,408

TTFB (ms)

1,408

Download Size (bytes)

1,449

Shard

158 (laksa)

Root Hash

9566530387264525558

Unparsed URL

sg,gov,vaccine!www,/health-advisory/ s443