Sites that publish only content they produce themselves. The TAKE IT DOWN Act’s definition of a covered platform leaves out sites that mainly publish their own preselected content (§ 4(3)); whether a studio site is an intermediary service under the DSA, the official sources don’t settle yet. National age-check rules still apply.
Not legal advice. This page summarises and links to primary sources; it does not tell you what the law requires of your specific site.