🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 163 (from laksa020)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa163.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 = 24 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.sitepoint.com/add-remove-css-class-vanilla-js/\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.sitepoint.com/add-remove-css-class-vanilla-js/\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.sitepoint.com\/add-remove-css-class-vanilla-js\/","crawl_time":1777322232,"first_indexed_time":1475095140,"http_code":200,"src_unparsed":"com,sitepoint!www,\/add-remove-css-class-vanilla-js\/ s443","src_root_hash":"18207014666102764963","history_drop_reason":null,"meta_title":"Quick Tip: Add or Remove a CSS Class with Vanilla JavaScript — SitePoint","meta_descriptions":["Yaphi Berhanu demonstrates two different methods for adding and removing a CSS class to DOM elements with vanilla JavaScript. No jQuery required!"],"meta_canonical":null,"ml_categories_json":"{\"\/Computers_and_Electronics\":956,\"\/Computers_and_Electronics\/Software\":572,\"\/Computers_and_Electronics\/Software\/Internet_Software\":399,\"\/Internet_and_Telecom\":155,\"\/Internet_and_Telecom\/Web_Services\":154,\"\/Internet_and_Telecom\/Web_Services\/Web_Design_and_Development\":153}","ml_types_json":"{\"\/Article\":998,\"\/Article\/Tutorial_or_Guide\":888}","ml_intent_types_json":"{\"Informational\":998}","meta_language":"en","attrs_author":"Yaphi Berhanu","attrs_publish_time":1475067654,"attrs_original_publish_time":1475067654,"attrs_is_republished":0,"attrs_nr_words":"2232","attrs_boilerpipe_nr_words":"1973","body_ext_links_number":11,"body_int_links_number":26,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":1,"src_redirect":"","download_time_msec":327,"download_ttfb_msec":326,"download_size":29750}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 163 · Partition 24

laksa163

18207014666102764963

📄

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`	1.2 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.sitepoint.com/add-remove-css-class-vanilla-js/

Last Crawled

2026-04-27 20:37:12 (1 month ago)

First Indexed

2016-09-28 20:39:00 (9 years ago)

HTTP Status Code

200

Content

Meta Title

Quick Tip: Add or Remove a CSS Class with Vanilla JavaScript — SitePoint

Meta Description

Yaphi Berhanu demonstrates two different methods for adding and removing a CSS class to DOM elements with vanilla JavaScript. No jQuery required!

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		95.6%
/Computers_and_Electronics/Software		57.2%
/Computers_and_Electronics/Software/Internet_Software		39.9%
/Internet_and_Telecom		15.5%
/Internet_and_Telecom/Web_Services		15.4%
/Internet_and_Telecom/Web_Services/Web_Design_and_Development		15.3%

Raw JSON

{
    "/Computers_and_Electronics": 956,
    "/Computers_and_Electronics/Software": 572,
    "/Computers_and_Electronics/Software/Internet_Software": 399,
    "/Internet_and_Telecom": 155,
    "/Internet_and_Telecom/Web_Services": 154,
    "/Internet_and_Telecom/Web_Services/Web_Design_and_Development": 153
}

ML Page Types

/Article		99.8%
/Article/Tutorial_or_Guide		88.8%

Raw JSON

{
    "/Article": 998,
    "/Article/Tutorial_or_Guide": 888
}

ML Intent Types

Informational

99.8%

Raw JSON

{
    "Informational": 998
}

Content Metadata

Language

Author

Yaphi Berhanu

Publish Time

2016-09-28 13:00:54 (9 years ago)

Original Publish Time

2016-09-28 13:00:54 (9 years ago)

Republished

Word Count (Total)

2,232

Word Count (Content)

1,973

Links

External Links

Internal Links

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Yes

Redirect Target

null

Performance

Download Time (ms)

327

TTFB (ms)

326

Download Size (bytes)

29,750

Location

Host ID

163 (laksa163)

Partition ID

Root Hash

18207014666102764963

Unparsed URL

com,sitepoint!www,/add-remove-css-class-vanilla-js/ s443