Sites like Pornhub, XNXX or Youporn offer videos for everyone. Over the last few years, a lot of sites adapted and offered gay and transgender videos next to their straight content. I mean, there were always sites featuring gay porn videos and pictures - But it always was a small niche. So the demand for gay porn increases as time goes by. Being gay is far less complicated than a few centuries ago and more and more people are outing themselves earlier than ever.
The majority of porn sites are for straight people, as there is a way bigger audience - that should be clear. Gay Porn Sites - Because We Got You Covered!