Elon Musk looks on as U.S. President Donald Trump meets South African President Cyril Ramaphosa in the Oval Office of the White House in Washington, D.C., U.S., May 21, 2025.

Kevin Lamarque | Reuters

The Elon Musk-owned social media platform X experienced a brief outage on Saturday morning, with tens of thousands of users reportedly unable to use the site.

About 25,000 users reported issues with the platform, according to the analytics platform Downdetector, which gathers data from users to monitor issues with various platforms. Roughly 21,000 users reported issues just after 8:30 a.m. ET, per the analytics platform.

The issues appeared to be largely resolved by around 10 a.m., but some users experienced intermittent issues with the platform until about 11 a.m.

It's the second time in less than a week that users experienced issues with the platform, after X also experienced an outage on Thursday.

"As evidenced by the uptime issues this week, major operational improvements need to be made," Musk wrote on X in response to a post about the Saturday outage.

"The failover redundancy should have worked, but did not."

"Back to spending 24/7 at work and sleeping in conference/server/factory rooms," he wrote.

The billionaire founder of Tesla and SpaceX also said that he "must be super focused" on the companies, "as we have critical technologies rolling out."

X did not immediately respond to CNBC's request for comment. Additional information on the cause of the outage was not available.

The site has had a number of widespread outages since Musk acquired X, formerly Twitter, in 2022.

The site experienced another outage in March, which Musk attributed at the time to a "massive cyberattack."

"We get attacked every day, but this was done with a lot of resources," Musk wrote in a post at the time.