The WhoisXML API has improved its web categorization engine


Web categorization engines and related tools are designed to help organizations rank the websites they do business with or typically interact with.

The WhoisXML API website categorization API and website categorization search are used to categorize websites into 25 possible categories. Both products can now categorize websites into more than 500 categories, based on most of the Internet Advertising Bureau’s (IAB) current list of site categories. A full list of these categories is available on our Get All Categories page.

In order to give users more potential categories for each site, the results of the improved web categorization engine are presented in two-level classification sets. The categories selected are also accompanied by their respective IAB identification numbers and trust levels. The higher the confidence level, the more likely the category specified is to be accurate.

Querying whoisxmlapi[.]com on the improved API and search tool, for example, gives these results:

Each query will give at least two sets of categories with up to two levels. For example, from the results displayed above, it is possible to see that whoisxmlapi[.]com is first and foremost a Technology & IT website with a confidence level of 95%.

What can you use web categorization for?

Web categorization is useful in marketing, web filtering, and brand protection, among other use cases. Here are a few examples to show the improved web categorization tools in action.

Marketing: Get to know your customers better

Successful marketing these days requires personalization of content. The best way to do this is to know your customers – what industry they’re in, what their business does, and how your offerings can best meet their business needs.

Web categorization can help businesses do this by classifying their customers’ websites into different categories. That way, you can offer them personalized content and the right products and services.

The WhoisXML API, for example, serves tons of customers, including HSBC. Query hsbc[.]com on website categorization search gives these results:

Based on hsbc categories[.]com reports to – notably Personal Finance, Consumer Banking, Personal Debt, Financial Industry and Business Banking & Finance – provides more information on what it does, allowing security companies to focus on offering HSBC solutions that , for example, are focused on preventing bank fraud.

Web filtering: spot potential threat vectors before they cause damage to you

While all web categorization tools can probably prevent an organization’s employees from accessing unwanted sites (i.e. those that can hamper their productivity like gaming sites or have inappropriate content) at work, not everyone can warn about potential threat vectors (for example, fake news or spam sites).

Integrating the website categorization API into cybersecurity solutions can alert you to potentially dangerous sites that your employees should not be accessing. We used it to query the known domain of Liberty Front Press (a notorious fake news network) alzouzougroup[.]com on web site categorization research. In particular, the tool categorized the site under “Sensitive topics” and “Spam or harmful content”.

Brand protection: avoid tarnishing your brand

Protection is a two-way street. As much as you want to keep threats out of your network, all businesses do. Landing on any type of block list or spam can therefore tarnish the reputation of the brand. That said, organizations should make sure that the categories their website belongs to are not on an organization’s content filtering list. Using web categorization tools on your own web properties is important to ensure that they are categorized correctly and will not be detrimental to your business.

Please feel free to contact us for more information about the Website Categorization API and WhoisXML API Finder Tool and how they can support your website classification capabilities.


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