🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 2 (from laksa069)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa002.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 = 96 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://ru.symbolab.com/\')), getAhrefsUnparsedNoserviceFromURL(\'https://ru.symbolab.com/\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/ru.symbolab.com\/","crawl_time":1780406334,"first_indexed_time":1444658721,"http_code":200,"src_unparsed":"com,symbolab!ru,\/ s443","src_root_hash":"1977249391401099202","history_drop_reason":null,"meta_title":"Symbolab - математический калькулятор & решатель задач на основе ИИ","meta_descriptions":["Symbolab: поиск уравнений и математический решатель - шаг за шагом решает задачи по алгебре, тригонометрии и исчислению"],"meta_canonical":null,"ml_categories_json":"{\"\/Computers_and_Electronics\":677,\"\/Computers_and_Electronics\/Software\":617,\"\/Science\":546,\"\/Computers_and_Electronics\/Software\/Educational_Software\":537,\"\/Science\/Mathematics\":534,\"\/Science\/Mathematics\/Other\":472,\"\/Jobs_and_Education\":168,\"\/Jobs_and_Education\/Education\":167,\"\/Jobs_and_Education\/Education\/Computer_Education\":151}","ml_types_json":"{\"\/Interactive_Tools\":497,\"\/Interactive_Tools\/Calculator\":455}","ml_intent_types_json":"{\"Commercial\":617,\"Informational\":489,\"Transactional\":132}","meta_language":"ru","attrs_author":null,"attrs_publish_time":0,"attrs_original_publish_time":1444658721,"attrs_is_republished":0,"attrs_nr_words":"447","attrs_boilerpipe_nr_words":"159","body_ext_links_number":19,"body_int_links_number":72,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":0,"src_redirect":"","download_time_msec":114,"download_ttfb_msec":83,"download_size":57606}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 2 · Partition 96

laksa002

1977249391401099202

📄

INDEXABLE

✅

CRAWLED

17 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://ru.symbolab.com/

Last Crawled

2026-06-02 13:18:54 (17 hours ago)

First Indexed

2015-10-12 14:05:21 (10 years ago)

HTTP Status Code

200

Content

Meta Title

Symbolab - математический калькулятор & решатель задач на основе ИИ

Meta Description

Symbolab: поиск уравнений и математический решатель - шаг за шагом решает задачи по алгебре, тригонометрии и исчислению

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		67.7%
/Computers_and_Electronics/Software		61.7%
/Science		54.6%
/Computers_and_Electronics/Software/Educational_Software		53.7%
/Science/Mathematics		53.4%
/Science/Mathematics/Other		47.2%
/Jobs_and_Education		16.8%
/Jobs_and_Education/Education		16.7%
/Jobs_and_Education/Education/Computer_Education		15.1%

Raw JSON

{
    "/Computers_and_Electronics": 677,
    "/Computers_and_Electronics/Software": 617,
    "/Science": 546,
    "/Computers_and_Electronics/Software/Educational_Software": 537,
    "/Science/Mathematics": 534,
    "/Science/Mathematics/Other": 472,
    "/Jobs_and_Education": 168,
    "/Jobs_and_Education/Education": 167,
    "/Jobs_and_Education/Education/Computer_Education": 151
}

ML Page Types

/Interactive_Tools		49.7%
/Interactive_Tools/Calculator		45.5%

Raw JSON

{
    "/Interactive_Tools": 497,
    "/Interactive_Tools/Calculator": 455
}

ML Intent Types

Commercial		61.7%
Informational		48.9%
Transactional		13.2%

Raw JSON

{
    "Commercial": 617,
    "Informational": 489,
    "Transactional": 132
}

Content Metadata

Language

Author

null

Publish Time

not set

Original Publish Time

2015-10-12 14:05:21 (10 years ago)

Republished

Word Count (Total)

447

Word Count (Content)

159

Links

External Links

Internal Links

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Redirect Target

null

Performance

Download Time (ms)

114

TTFB (ms)

Download Size (bytes)

57,606

Location

Host ID

2 (laksa002)

Partition ID

Root Hash

1977249391401099202

Unparsed URL

com,symbolab!ru,/ s443