🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 83 (from laksa089)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa083.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://www.lektorium.tv/gladkie-mnogoobraziya\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.lektorium.tv/gladkie-mnogoobraziya\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.lektorium.tv\/gladkie-mnogoobraziya","crawl_time":1780295733,"first_indexed_time":1702089049,"http_code":200,"src_unparsed":"tv,lektorium!www,\/gladkie-mnogoobraziya s443","src_root_hash":"16198906100248142883","history_drop_reason":null,"meta_title":"Бесплатный онлайн-курс «Введение в гладкие многообразия»","meta_descriptions":["Видеолекции про основные понятия, методы анализа на многообразиях и их применение"],"meta_canonical":null,"ml_categories_json":"{\"\/Science\":682,\"\/Science\/Mathematics\":628,\"\/Science\/Mathematics\/Other\":590,\"\/Jobs_and_Education\":470,\"\/Jobs_and_Education\/Education\":470,\"\/Jobs_and_Education\/Education\/Distance_Learning\":424}","ml_types_json":"{\"\/Video\":798,\"\/Video\/Tutorial_or_Guide\":794}","ml_intent_types_json":"{\"Informational\":996}","meta_language":null,"attrs_author":null,"attrs_publish_time":0,"attrs_original_publish_time":1702089049,"attrs_is_republished":0,"attrs_nr_words":"1065","attrs_boilerpipe_nr_words":"449","body_ext_links_number":12,"body_int_links_number":32,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":1,"src_redirect":"","download_time_msec":321,"download_ttfb_msec":272,"download_size":75465}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 83 · Partition 14

laksa083

16198906100248142883

📄

INDEXABLE

✅

CRAWLED

2 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`	0.1 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.lektorium.tv/gladkie-mnogoobraziya

Last Crawled

2026-06-01 06:35:33 (2 days ago)

First Indexed

2023-12-09 02:30:49 (2 years ago)

HTTP Status Code

200

Content

Meta Title

Бесплатный онлайн-курс «Введение в гладкие многообразия»

Meta Description

Видеолекции про основные понятия, методы анализа на многообразиях и их применение

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

/Science		68.2%
/Science/Mathematics		62.8%
/Science/Mathematics/Other		59.0%
/Jobs_and_Education		47.0%
/Jobs_and_Education/Education		47.0%
/Jobs_and_Education/Education/Distance_Learning		42.4%

Raw JSON

{
    "/Science": 682,
    "/Science/Mathematics": 628,
    "/Science/Mathematics/Other": 590,
    "/Jobs_and_Education": 470,
    "/Jobs_and_Education/Education": 470,
    "/Jobs_and_Education/Education/Distance_Learning": 424
}

ML Page Types

/Video		79.8%
/Video/Tutorial_or_Guide		79.4%

Raw JSON

{
    "/Video": 798,
    "/Video/Tutorial_or_Guide": 794
}

ML Intent Types

Informational

99.6%

Raw JSON

{
    "Informational": 996
}

Content Metadata

Language

null

Author

null

Publish Time

not set

Original Publish Time

2023-12-09 02:30:49 (2 years ago)

Republished

Word Count (Total)

1,065

Word Count (Content)

449

Links

External Links

Internal Links

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Yes

Redirect Target

null

Performance

Download Time (ms)

321

TTFB (ms)

272

Download Size (bytes)

75,465

Location

Host ID

83 (laksa083)

Partition ID

Root Hash

16198906100248142883

Unparsed URL

tv,lektorium!www,/gladkie-mnogoobraziya s443