The data shows uptime testing reached 13 checks for feynmanlectures.info during the 768 days from October 20, 2022. Feynmanlectures.info has shown functionality in 11 out of all assessments, including the October 28, 2024, check returning a 200 code. 15.38% of the times feynmanlectures.info was reviewed, equaling 2 cases, it was down, with the latest event on June 3, 2024, the summary revealed. Every response obtained as of November 26, 2024, has been confirmed to be without any errors. With an average response time of 2.666 seconds, feynmanlectures.info's response time on October 28, 2024, was 1.293 seconds.