pfSense vs W3C Markup Validation Service
A side-by-side look at pfSense and W3C Markup Validation Service. For an in-depth review of either product, follow the links below.
pfSense
Network & Admin
pfSense is a free, open source firewall and router platform based on FreeBSD. It has a wide range of features including traffic shaping, captive portal, VPN capabilities, and packages that add functionality.
firewallrouternetworkingopen-source
W3C Markup Validation Service
Web Browsers
The W3C Markup Validation Service is a free tool that checks HTML and XHTML documents for conformance to W3C standards. It can help identify potential issues in web pages and ensure they use valid markup.
htmlxhtmlvalidatorw3cstandards
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