Within the 1 182 day period from August 28, 2021, until now, hei.org's availability was checked 2 times. Hei.org was available 2 times out of the total tests conducted, last recorded on September 7, 2024, with a 200 status code. Assessments indicated no downtime incidents for hei.org as of November 22, 2024. No error status code was returned as of November 22, 2024, based on all the responses received. Hei.org's September 7, 2024, response time was 2.499 seconds, with an average response time of 1.784 seconds.