Google killed the 25-year-old Sega Dreamcast PlanetWeb 3.0 web browser this week

Or, write and host your own private vintage web-based proxying service that connects to modern sites using modern protocols and reflect them back to your vintage browser over http:// ;D (Once you get a CF captcha, shrugs emoji.)

"the pack-in browser supplied by Sega on a silvery CD is now useless for anything other than an ornament, memento, or Frisbee."

They also make great bird scarers.