454 times uscis.gov's availability was checked over the 1 744 day time frame starting on January 27, 2021. 452 times uscis.gov's operability was confirmed through checks performed, including on November 6, 2025, with a 200 status code. As of November 6, 2025, there was no occasion of downtime reported for uscis.gov out of all inspections. Identified on January 17, 2025, code 403 was the most recent error noted within the 2 responses with errors. With 0.264 seconds as the average, uscis.gov responded in 0.116 seconds on November 6, 2025.