X bans the promotion or glorification of violence and has previously applied the policy to racist and antisemitic content.
Before Wednesday, X appeared to have blocked at least three antisemitic hashtags, according to searches of the platform.
After NBC News contacted X about the hashtags, 12 of 50 hashtags appeared to be blocked.
Of the 50 reviewed hashtags, searches on X for 45 of them returned recent racist or antisemitic posts.
On TikTok, 10 of the 50 hashtags returned racist or antisemitic posts, with the rest either blocked or producing other content.
Persons:
Elon Musk, Tesla, Elon, Musk, X, hashtags, Adolf Hitler, Anika Collier Navaroli, TikTok, Instagram, Meta, Darren Linvill, Linvill, Megan Squire, it's
Organizations:
SpaceX, X Holdings Corp, Milken Institute's Global, Beverly Hilton Hotel, NBC News, Twitter, NBC, Tow Center, Digital Journalism, Columbia University, Musk, Disney, Hyundai, Social, Tech, Meta, Clemson University's, Hitler, Nazi, Southern Poverty Law Center
Locations:
Beverly Hills , California, Europe