🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 169 (from laksa178)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa169.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 = 44 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://stackoverflow.com/questions/11620914/how-do-i-remove-nan-values-from-a-numpy-array\')), getAhrefsUnparsedNoserviceFromURL(\'https://stackoverflow.com/questions/11620914/how-do-i-remove-nan-values-from-a-numpy-array\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/stackoverflow.com\/questions\/11620914\/how-do-i-remove-nan-values-from-a-numpy-array","crawl_time":1776789481,"first_indexed_time":1659219181,"http_code":200,"src_unparsed":"com,stackoverflow!\/questions\/11620914\/how-do-i-remove-nan-values-from-a-numpy-array s443","src_root_hash":"714406497480128969","history_drop_reason":null,"meta_title":"python - How do I remove NaN values from a NumPy array? - Stack Overflow","meta_descriptions":[],"meta_canonical":null,"ml_categories_json":"{\"\/Computers_and_Electronics\":985,\"\/Computers_and_Electronics\/Programming\":845,\"\/Computers_and_Electronics\/Programming\/Scripting_Languages\":805,\"\/Internet_and_Telecom\":119,\"\/Internet_and_Telecom\/Web_Services\":109,\"\/Internet_and_Telecom\/Web_Services\/Web_Design_and_Development\":100}","ml_types_json":"{\"\/Article\":844,\"\/Article\/How_to\":592}","ml_intent_types_json":"{\"Informational\":952}","meta_language":"en","attrs_author":null,"attrs_publish_time":1343079414,"attrs_original_publish_time":1343079414,"attrs_is_republished":0,"attrs_nr_words":"4630","attrs_boilerpipe_nr_words":"278","body_ext_links_number":69,"body_int_links_number":216,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":1,"src_redirect":"","download_time_msec":162,"download_ttfb_msec":139,"download_size":75592}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 169 · Partition 44

laksa169

714406497480128969

📄

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`	1.4 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://stackoverflow.com/questions/11620914/how-do-i-remove-nan-values-from-a-numpy-array

Last Crawled

2026-04-21 16:38:01 (1 month ago)

First Indexed

2022-07-30 22:13:01 (3 years ago)

HTTP Status Code

200

Content

Meta Title

python - How do I remove NaN values from a NumPy array? - Stack Overflow

Meta Description

null

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		98.5%
/Computers_and_Electronics/Programming		84.5%
/Computers_and_Electronics/Programming/Scripting_Languages		80.5%
/Internet_and_Telecom		11.9%
/Internet_and_Telecom/Web_Services		10.9%
/Internet_and_Telecom/Web_Services/Web_Design_and_Development		10.0%

Raw JSON

{
    "/Computers_and_Electronics": 985,
    "/Computers_and_Electronics/Programming": 845,
    "/Computers_and_Electronics/Programming/Scripting_Languages": 805,
    "/Internet_and_Telecom": 119,
    "/Internet_and_Telecom/Web_Services": 109,
    "/Internet_and_Telecom/Web_Services/Web_Design_and_Development": 100
}

ML Page Types

/Article		84.4%
/Article/How_to		59.2%

Raw JSON

{
    "/Article": 844,
    "/Article/How_to": 592
}

ML Intent Types

Informational

95.2%

Raw JSON

{
    "Informational": 952
}

Content Metadata

Language

Author

null

Publish Time

2012-07-23 21:36:54 (13 years ago)

Original Publish Time

2012-07-23 21:36:54 (13 years ago)

Republished

Word Count (Total)

4,630

Word Count (Content)

278

Links

External Links

Internal Links

216

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Yes

Redirect Target

null

Performance

Download Time (ms)

162

TTFB (ms)

139

Download Size (bytes)

75,592

Location

Host ID

169 (laksa169)

Partition ID

Root Hash

714406497480128969

Unparsed URL

com,stackoverflow!/questions/11620914/how-do-i-remove-nan-values-from-a-numpy-array s443