Beginning July 2, 2022, was the start of 883 days when isti.ir passed 19 accessibility tests. Isti.ir, with 2 instances of operability out of all conducted checks, reported its last uptime on December 25, 2022, confirmed by a code 200 response. 89.47% of the evaluations performed resulted in isti.ir being inaccessible, which totals 17 events, most recently on April 8, 2024. As of December 2, 2024, no error status codes have been returned based on the responses received. Data reveals isti.ir's — seconds April 8, 2024, response contrasted its 1.762 seconds average response time.