TnAflix.com is a free general porn website focused on porn stars and top quality production. The thing with free porn sites dedicated only to professional porn is that usually, they are overcrowded with promotional videos which are not only shortened but don’t have an ending.
TnAflix has those, but there is a lot of full videos lasting over 30 minutes, and the video player offers 1080p resolution. You can search clips by their length as the navigation is excellent in general, as well as the design. There are no ads on the main page, but they are all over the video page.