🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 159 (from laksa154)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa159.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 = 7 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.thoughtco.com/china-lease-hong-kong-to-britain-195153\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.thoughtco.com/china-lease-hong-kong-to-britain-195153\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.thoughtco.com\/china-lease-hong-kong-to-britain-195153","crawl_time":1779914111,"first_indexed_time":1491396583,"http_code":200,"src_unparsed":"com,thoughtco!www,\/china-lease-hong-kong-to-britain-195153 s443","src_root_hash":"15523395622417081559","history_drop_reason":null,"meta_title":"Why Did China Lease Hong Kong to Britain?","meta_descriptions":["For 100 years, Hong Kong was known as British Hong Kong, first as a crown colony and then under a lease to Queen Victoria's British Empire."],"meta_canonical":null,"ml_categories_json":"{\"\/Law_and_Government\":549,\"\/Law_and_Government\/Legal\":324,\"\/Reference\":146,\"\/News\":136,\"\/People_and_Society\":133,\"\/News\/Politics\":102,\"\/People_and_Society\/Social_Sciences\":102}","ml_types_json":"{\"\/Article\":999,\"\/Article\/News_Update\":401}","ml_intent_types_json":"{\"Informational\":999}","meta_language":"en","attrs_author":null,"attrs_publish_time":0,"attrs_original_publish_time":1491396583,"attrs_is_republished":0,"attrs_nr_words":"1964","attrs_boilerpipe_nr_words":"1440","body_ext_links_number":26,"body_int_links_number":81,"meta_nofollow":0,"meta_noarchive":1,"props_was_rendered":1,"src_redirect":"","download_time_msec":174,"download_ttfb_msec":133,"download_size":43555}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 159 · Partition 7

laksa159

15523395622417081559

📄

INDEXABLE

✅

CRAWLED

6 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`	0.2 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.thoughtco.com/china-lease-hong-kong-to-britain-195153

Last Crawled

2026-05-27 20:35:11 (6 days ago)

First Indexed

2017-04-05 12:49:43 (9 years ago)

HTTP Status Code

200

Content

Meta Title

Why Did China Lease Hong Kong to Britain?

Meta Description

For 100 years, Hong Kong was known as British Hong Kong, first as a crown colony and then under a lease to Queen Victoria's British Empire.

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

/Law_and_Government		54.9%
/Law_and_Government/Legal		32.4%
/Reference		14.6%
/News		13.6%
/People_and_Society		13.3%
/News/Politics		10.2%
/People_and_Society/Social_Sciences		10.2%

Raw JSON

{
    "/Law_and_Government": 549,
    "/Law_and_Government/Legal": 324,
    "/Reference": 146,
    "/News": 136,
    "/People_and_Society": 133,
    "/News/Politics": 102,
    "/People_and_Society/Social_Sciences": 102
}

ML Page Types

/Article		99.9%
/Article/News_Update		40.1%

Raw JSON

{
    "/Article": 999,
    "/Article/News_Update": 401
}

ML Intent Types

Informational

99.9%

Raw JSON

{
    "Informational": 999
}

Content Metadata

Language

Author

null

Publish Time

not set

Original Publish Time

2017-04-05 12:49:43 (9 years ago)

Republished

Word Count (Total)

1,964

Word Count (Content)

1,440

Links

External Links

Internal Links

Technical SEO

Meta Nofollow

Meta Noarchive

Yes

JS Rendered

Yes

Redirect Target

null

Performance

Download Time (ms)

174

TTFB (ms)

133

Download Size (bytes)

43,555

Location

Host ID

159 (laksa159)

Partition ID

Root Hash

15523395622417081559

Unparsed URL

com,thoughtco!www,/china-lease-hong-kong-to-britain-195153 s443