🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 178 (from laksa184)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa178.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 = 35 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://sortingsearching.com/2020/05/21/hashing.html\')), getAhrefsUnparsedNoserviceFromURL(\'https://sortingsearching.com/2020/05/21/hashing.html\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/sortingsearching.com\/2020\/05\/21\/hashing.html","crawl_time":1776078299,"first_indexed_time":1590163374,"http_code":200,"src_unparsed":"com,sortingsearching!\/2020\/05\/21\/hashing.html s443","src_root_hash":"4820026192855547178","history_drop_reason":null,"meta_title":"How to pick a hash function, part 1 | Sorting and Searching","meta_descriptions":["See also part 2."],"meta_canonical":null,"ml_categories_json":"{\"\/Computers_and_Electronics\":900,\"\/Computers_and_Electronics\/Programming\":437,\"\/Computers_and_Electronics\/Programming\/Scripting_Languages\":260,\"\/Internet_and_Telecom\":176,\"\/Internet_and_Telecom\/Web_Services\":149,\"\/Internet_and_Telecom\/Web_Services\/Web_Design_and_Development\":109}","ml_types_json":"{\"\/Article\":999,\"\/Article\/Tutorial_or_Guide\":600}","ml_intent_types_json":"{\"Informational\":999}","meta_language":"en","attrs_author":"Tomek Czajka","attrs_publish_time":1590044400,"attrs_original_publish_time":1590044400,"attrs_is_republished":0,"attrs_nr_words":"3116","attrs_boilerpipe_nr_words":"2564","body_ext_links_number":10,"body_int_links_number":8,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":1,"src_redirect":"","download_time_msec":187,"download_ttfb_msec":119,"download_size":13048}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 178 · Partition 35

laksa178

4820026192855547178

📄

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`	1.7 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://sortingsearching.com/2020/05/21/hashing.html

Last Crawled

2026-04-13 11:04:59 (1 month ago)

First Indexed

2020-05-22 16:02:54 (6 years ago)

HTTP Status Code

200

Content

Meta Title

How to pick a hash function, part 1 | Sorting and Searching

Meta Description

See also part 2.

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

/Computers_and_Electronics		90.0%
/Computers_and_Electronics/Programming		43.7%
/Computers_and_Electronics/Programming/Scripting_Languages		26.0%
/Internet_and_Telecom		17.6%
/Internet_and_Telecom/Web_Services		14.9%
/Internet_and_Telecom/Web_Services/Web_Design_and_Development		10.9%

Raw JSON

{
    "/Computers_and_Electronics": 900,
    "/Computers_and_Electronics/Programming": 437,
    "/Computers_and_Electronics/Programming/Scripting_Languages": 260,
    "/Internet_and_Telecom": 176,
    "/Internet_and_Telecom/Web_Services": 149,
    "/Internet_and_Telecom/Web_Services/Web_Design_and_Development": 109
}

ML Page Types

/Article		99.9%
/Article/Tutorial_or_Guide		60.0%

Raw JSON

{
    "/Article": 999,
    "/Article/Tutorial_or_Guide": 600
}

ML Intent Types

Informational

99.9%

Raw JSON

{
    "Informational": 999
}

Content Metadata

Language

Author

Tomek Czajka

Publish Time

2020-05-21 07:00:00 (6 years ago)

Original Publish Time

2020-05-21 07:00:00 (6 years ago)

Republished

Word Count (Total)

3,116

Word Count (Content)

2,564

Links

External Links

Internal Links

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Yes

Redirect Target

null

Performance

Download Time (ms)

187

TTFB (ms)

119

Download Size (bytes)

13,048

Location

Host ID

178 (laksa178)

Partition ID

Root Hash

4820026192855547178

Unparsed URL

com,sortingsearching!/2020/05/21/hashing.html s443