🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 91 (from laksa158)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa091.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 = 82 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://dl.acm.org/doi/10.5555/1953048.2078186\')), getAhrefsUnparsedNoserviceFromURL(\'https://dl.acm.org/doi/10.5555/1953048.2078186\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/dl.acm.org\/doi\/10.5555\/1953048.2078186","crawl_time":1759974276,"first_indexed_time":1583341538,"http_code":200,"src_unparsed":"org,acm!dl,\/doi\/10.5555\/1953048.2078186 s443","src_root_hash":"6385618855135636491","history_drop_reason":null,"meta_title":"Natural Language Processing (Almost) from Scratch | The Journal of Machine Learning Research","meta_descriptions":["We propose a unified neural network architecture and learning algorithm that can be applied to various natural language processing tasks including part-of-speech tagging, chunking, named entity rec..."],"meta_canonical":null,"ml_categories_json":"{\"\/Computers_and_Electronics\":714,\"\/Computers_and_Electronics\/Software\":581,\"\/Science\":441,\"\/Science\/Computer_Science\":438,\"\/Science\/Computer_Science\/Machine_Learning_and_Artificial_Intelligence\":425,\"\/Computers_and_Electronics\/Software\/Educational_Software\":199}","ml_types_json":"{\"\/Article\":976,\"\/Article\/Study_or_Research_Findings\":922}","ml_intent_types_json":"{\"Informational\":999}","meta_language":"en","attrs_author":null,"attrs_publish_time":0,"attrs_original_publish_time":1583341538,"attrs_is_republished":0,"attrs_nr_words":"6693","attrs_boilerpipe_nr_words":"12","body_ext_links_number":167,"body_int_links_number":98,"meta_nofollow":0,"meta_noarchive":1,"props_was_rendered":1,"src_redirect":"","download_time_msec":1868,"download_ttfb_msec":320,"download_size":31282}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 91 · Partition 82

laksa091

6385618855135636491

🚫

NOT INDEXABLE

✅

CRAWLED

7 months ago

🤖

ROBOTS ALLOWED

Page Info Filters

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	FAIL	`download_stamp > now() - 6 MONTH`	7.9 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://dl.acm.org/doi/10.5555/1953048.2078186

Last Crawled

2025-10-09 01:44:36 (7 months ago)

First Indexed

2020-03-04 17:05:38 (6 years ago)

HTTP Status Code

200

Content

Meta Title

Natural Language Processing (Almost) from Scratch | The Journal of Machine Learning Research

Meta Description

We propose a unified neural network architecture and learning algorithm that can be applied to various natural language processing tasks including part-of-speech tagging, chunking, named entity rec...

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		71.4%
/Computers_and_Electronics/Software		58.1%
/Science		44.1%
/Science/Computer_Science		43.8%
/Science/Computer_Science/Machine_Learning_and_Artificial_Intelligence		42.5%
/Computers_and_Electronics/Software/Educational_Software		19.9%

Raw JSON

{
    "/Computers_and_Electronics": 714,
    "/Computers_and_Electronics/Software": 581,
    "/Science": 441,
    "/Science/Computer_Science": 438,
    "/Science/Computer_Science/Machine_Learning_and_Artificial_Intelligence": 425,
    "/Computers_and_Electronics/Software/Educational_Software": 199
}

ML Page Types

/Article		97.6%
/Article/Study_or_Research_Findings		92.2%

Raw JSON

{
    "/Article": 976,
    "/Article/Study_or_Research_Findings": 922
}

ML Intent Types

Informational

99.9%

Raw JSON

{
    "Informational": 999
}

Content Metadata

Language

Author

null

Publish Time

not set

Original Publish Time

2020-03-04 17:05:38 (6 years ago)

Republished

Word Count (Total)

6,693

Word Count (Content)

Links

External Links

167

Internal Links

Technical SEO

Meta Nofollow

Meta Noarchive

Yes

JS Rendered

Yes

Redirect Target

null

Performance

Download Time (ms)

1,868

TTFB (ms)

320

Download Size (bytes)

31,282

Location

Host ID

91 (laksa091)

Partition ID

Root Hash

6385618855135636491

Unparsed URL

org,acm!dl,/doi/10.5555/1953048.2078186 s443