Netcraft Extension

Chrome Web Store

by Netcraft

v2.1.2 Updated Feb 27, 2024 768KiB

CWS

70K

Users

★ 4.42

165 reviews

#335

of 33.8K

privacy

#14 of 348

⚠️Not updated in over 2 years ⚠️Requests 1 sensitive permission

Description

The Netcraft Extension is a tool allowing easy lookup of information relating to the sites you visit and providing protection from phishing and malicious JavaScript. What's new in v2.1.2? • Improved caching of our feed to reduce network traffic. Key Features: • Protection against phishing sites — The Netcraft anti-phishing community is effectively a giant neighbourhood watch scheme, empowering the most alert and most expert members to defend everyone within the community. As soon as the first recipients of a phishing mail report it, we can block it for all users of the extension providing an additional level of protection from Phishing. Netcraft processes reports of fraudulent URLs from a diverse variety of sources and proactively searches for new fraudulent sites. • Protection against malicious JavaScript — Prevent your credit card details from being stolen by shopping site skimmers or your computer's processing power being harvested by web miners. Netcraft has been detecting shopping site skimmers, web miners, and other malicious JavaScript since 2017. The extension blocks sites that we have found to be compromised with malicious JavaScript. Additionally, it detects JavaScript that we have identified as being malicious, blocks pages that use it from loading, and automatically reports them to Netcraft to protect the rest of the community. • Detailed site reports – simply click the Netcraft logo to access a wealth of information about the sites you visit, helping you to make informed choices about their safety. • Conveniently report suspected phishing & fraudulent sites – At the click of the button you can report suspected web forgeries to Netcraft, helping to protect the community. Netcraft operates an incentive scheme for Phishing site submissions, including iPads, backpacks, mugs, and more… https://report.netcraft.com/pages/report-incentives Find out more about the Extension at: https://www.netcraft.com/apps-extensions/browser-extension/ About Netcraft: Netcraft is an Internet services company based in Bath, England. We provide a range of services relating to internet data analysis, defences against fraud and phishing, web application security testing, and automated network scanning. In particular, Netcraft’s anti-phishing services are very widely licensed, ultimately protecting hundreds of millions of people. https://www.netcraft.com Privacy Policy: https://www.netcraft.com/privacy/

Reviews (14 cached)

Last 12 months

★☆☆☆☆2025-07-28

ภูฐินันท์ ทองมาก

Fully scammers used netcraft to report rivals to google.The worst company that does not operate properly. The company is used only by phishers. lol

★☆☆☆☆2024-04-24

Penugonda venkata siva sai Rakesh

WOW! Netcraft added crypto phishing support!!! And it works even better than scamsniffer! A+!

★☆☆☆☆2023-05-26

C Williams

The extension is able to read everything you view or submit through a web page. You are warned of this in the process of enabling the extension. Data being submitted by the end user is not required in order to alert the user to a threat. This extension is effectively harvesting personal data on the back of claiming to protect it. There are better options out there.

★☆☆☆☆2022-01-25

jarett Pendell

My antivirus everytime I google something and this netcraft extension tries to redirect my google search: "We've safely aborted connection to mirror2.extension.netcraft.com because it was infected with URL:Phishing." Its a URL phisher avoid at all costs.

★☆☆☆☆2014-04-17

Multiple reports that it doesn't actually work. So be And who chose those colors? This is not 1999.

★☆☆☆☆2014-03-20

James Dowell

Great info but it just takes AGES to load and sometimes nothing happens. Please can you sort it out as this would be a great tool if it worked.

★★☆☆☆2020-10-26

Mary S

Since 2 Weeks i cant use Amazon. Every 2 Seconds the Side from Amazon get stucked. Is this addon disabled, Amazon works.

★★☆☆☆2013-09-08

Muhammad Hafiz Ismail

this plugin is not responsive. its ok for the first click but not responding after period of time. tried to uninstall and install the problem persists.

★★☆☆☆2012-12-02

Linda Henderson

I can get it to open from the icon when I click it

★★★☆☆2025-11-10

Son Bui

I have been using this extension for years, but lately when I opened a webpage, Google Chrome kept spinning, I thought it was the browser but the culprit was Netcraft extension. I disable the extension then things worked fine.

★★★☆☆2022-12-08

SUPRIYO CHATTERJEE

Please update the extension more frequently as it hasn't been updated since a long time, also updating the extension more frequently is very very important in order to block new types of malicious & phising & bad websites, so please get this extension updated more frequently with monthly or weekly updates for the same

★★★☆☆2020-09-25

Sergey Tverye

One of the best extensions for safe surfing, but breaks the layout on rambler.ru Also false positive for yandex.ru/video/ after search something there.

★★★☆☆2020-07-28

Keyser Söze

What the heck is this extension blocking?? Not working properly, you need to update it. This page has been blocked by the Netcraft Extension. Blocked URL: hxxps://www.inoreader.com/sinner.php#%3Cscript%20async%20src%3D%22%2F%2Fpagead2.googlesyndication.com%2Fpagead%2Fjs%2Fadsbygoogle.js%22%3E%3C%2Fscript%3E%0A%3C%21--%20inoreader_160x600%20--%3E%0A%3Cins%20class%3D%22adsbygoogle%22%0A%20%20%20%20%20style%3D%22display%3Ainline-block%3Bwidth%3A160px%3Bheight%3A600px%22%0A%20%20%20%20%20data-ad-client%3D%22ca-pub-5371528650912241%22%0A%20%20%20%20%20data-ad-slot%3D%226927688208%22%3E%3C%2Fins%3E%0A%3Cscript%3E%0A%28adsbygoogle%20%3D%20window.adsbygoogle%20%7C%7C%20%5B%5D%29.push%28%7B%7D%29%3B%0A%3C%2Fscript%3E

★★★☆☆2015-05-16

It doesn't do very much but it does it well and unobtrusively. Use it in combination with other tools such as HTTPS Everywhere, Ghostery, and uMatrix.

★☆☆☆☆ - ภูฐินันท์ ทองมาก (2025-07-28)

Fully scammers used netcraft to report rivals to google.The worst company that does not operate properly. The company is used only by phishers. lol

★☆☆☆☆ - Penugonda venkata siva sai Rakesh (2024-04-24)

WOW! Netcraft added crypto phishing support!!! And it works even better than scamsniffer! A+!

★☆☆☆☆ - C Williams (2023-05-26)

★☆☆☆☆ - jarett Pendell (2022-01-25)

★☆☆☆☆ (2014-04-17)

Multiple reports that it doesn't actually work. So be And who chose those colors? This is not 1999.

★☆☆☆☆ - James Dowell (2014-03-20)

Great info but it just takes AGES to load and sometimes nothing happens. Please can you sort it out as this would be a great tool if it worked.

★★☆☆☆ - Mary S (2020-10-26)

Since 2 Weeks i cant use Amazon. Every 2 Seconds the Side from Amazon get stucked. Is this addon disabled, Amazon works.

★★☆☆☆ - Muhammad Hafiz Ismail (2013-09-08)

this plugin is not responsive. its ok for the first click but not responding after period of time. tried to uninstall and install the problem persists.

★★☆☆☆ - Linda Henderson (2012-12-02)

I can get it to open from the icon when I click it

★★★☆☆ - Son Bui (2025-11-10)

★★★☆☆ - SUPRIYO CHATTERJEE (2022-12-08)

★★★☆☆ - Sergey Tverye (2020-09-25)

One of the best extensions for safe surfing, but breaks the layout on rambler.ru Also false positive for yandex.ru/video/ after search something there.

★★★☆☆ - Keyser Söze (2020-07-28)

★★★☆☆ (2015-05-16)

It doesn't do very much but it does it well and unobtrusively. Use it in combination with other tools such as HTTPS Everywhere, Ghostery, and uMatrix.