9 uptime checks were conducted for eprimers.org within the 740 day period beginning January 5, 2023. Out of all checks conducted, eprimers.org was operational 2 times, with the latest successful check on February 14, 2023, returning a 200 status code. Eprimers.org experienced 1 recorded instances of downtime, representing 11.11% of all checks done, with the most recent on January 9, 2025. Reported on January 12, 2025, code 403 was found to be the latest error in a total of 6 responses containing errors. Eprimers.org had a response time of 0.365 seconds and an average response time of 0.697 seconds on January 12, 2025.