Iso.fr underwent 1 uptime tests during the 2 035 day time frame starting on June 14, 2019. On June 14, 2019, iso.fr was operational with a 200 status code response, as part of 1 instances of uptime out of total checks. As of January 9, 2025, every inspection of iso.fr indicated that there were no offline periods. As confirmed by all replies received as of January 9, 2025, there are no responses with an error status. Iso.fr's response time was 0.632 seconds on June 14, 2019, compared to an average of 0.632.