We Classify the Web - Best Website Category Database
Instant Website Categorization — Categorizer quickly and accurately categorizes websites. Most accurate website category database where hundreds of millions of websites are pre-categorized for faster response.
The largest, worldwide database of URLs and websites. Allowing you to get instant and accurate data on what content your business, your Brand your teams are interacting with. As the Internet constantly expands with more websites, more data, Categorizer.net automatically adds the new information to its database to ensure real time, accurate content categorization for your business, your school, your organization Hundreds of customers worldwide, rely on Categorizer.net to accurately categorize websites.
Worldwide Coverage — Millions of Domains & Website Content pages.
Hundreds of million domains in our database. A Website Category Database that is automatically updated as new URLs and websites are added and deleted from the Internet. NEW domains and content automatically updated in real time. YOU are in control of the websites you engage with, the content you will accept and the enhancement of your Customer experience. categorizer is the best platform to Categorize websites.
Real Time AD Block — you can classify websites and URLs and eliminate AD’s that interfere with your Customer experience.

Enhanced API tools ensure Publisher see a 15-25% improvement on Customer engagement and visits times to their websites. Blocks “unwanted” 3rd party Apps and Browser extensions that allow unwanted 3rd AD’s to interfere with your customer experience. Categoizer.net API tools “BLOCK” unwanted 3rd party Ad’s, phishing scams, Malware, redirects, etc., all designed to interfere with your customer experience while on your website. Tainting your customer experience and in many cases, redirecting your customers away from your website.
Self-Serve API — simple plug and play API implementation. A very easy to use, easy to implement tool that can be placed on your websites pages Click on our link here to sign up and collect our API tool. And get started monitoring the content of websites that engage with your business.
FREE to Trail — Up to 25 domains for Free. Sign up for subscription here for access to website category database.
Retail
Website Category
Finance
Website Category Database
AdTech
Brand Safety
ISPs
Classify Content
Auto
URL Category
SMB
Website Category
Brand Safety, Accurate Classification of website is the Difference
Hundreds of Categories – the largest URL Category database on the market. Allows all industries to get an accurate review of the website content their customers, staff, students are viewing on a daily basis.
Avoid Brand Safety Hazards – 1,000’s of Publishers Rely on these tools to protect their Brand. Enhance Tools allow Publisher to block unwanted 3rd party AD’s – in real time – from interfering with their Customer experience. Brands can list (or blacklist) all the categories that make sense for their Brand before they place Ad’s or content on 3rd party websites Brands can avoid being exposed/associated to harmful content, non-relevant content, or any of the “sin categories” (pornography, alcohol, tobacco, firearms, obscenity, violence/crime, and others,
Inexpensive – DON’T overpay for unnecessary customization. We can customize a solution for you to meet any unique, special need. Or you can access our API directly here and set up your own requirements and access our full database, while keeping costs to a minimum.
The Most Advanced Website Classification service on the Market
Website classification – This is simply a process for classifying the content of a website into pre-defined categories. A lot of third party analytic companies and security tools rely on this Website classification to safely provide their services. On a larger scale (ie., millions of websites) companies like Categorizer use sophisticated algorithms to accurately present the classified data. Categorizer is the best platform to Classify websites
URL categorization service – URL classification is used for specific websites, to provide a deep review of a specific domain to ensure the website context is consistent and there is no misrepresentation. This is important to when there are segments of Users that may want to block, or blacks list certain content. Also for Marketing and advertising purposes, so relevant content is presented to the Consumer.
Website category database – This generally refers to a group of websites that offer similar information or similar themes to an audience. Allows for online Users to reliable research and compare a number of websites in the same customer category.
Website content verification – Generally used by Marketers and Advertisers, this allows for ongoing monitoring and “fact checking” to ensure website content stays consistent, and AD’s are not displayed next to non-relevant or inappropriate content.
Brand Safety – Brand Safety is all about keeping a Brands reputation (as defined by the Brand) safe, when advertising online. Investment in Brand equity is very valuable for company’s and can be negatively impacted when the Brand is associated with non-relevant, or damaging content. Large industry groups exist (ie., IAB) to provide tools and guidance on how a Brand can manage their presence on the Internet.
Website & URL blacklist – This is a list of websites and related IP addresses, that are believed to distribute Spam (or worse, Malware, Phishing, etc). All providers should have an up-to-date Website & URL blacklist to ensure customers are not exposed to, or advertise on, any of these blocked websites.