In the period of 2 115 days starting on February 11, 2019, analysis indicates 4digitalbooks.com underwent 3 accessibility tests. Out of all tests conducted, 4digitalbooks.com was up 3 times, the last time on May 28, 2024, when a code 200 has been returned. According to test results as of November 27, 2024, it was confirmed that 4digitalbooks.com was not inaccessible. As of November 27, 2024, all replies received affirm that there are no responses with an error status. The response time on May 28, 2024, was 0.042 seconds, compared to the average of 0.055 seconds on 4digitalbooks.com.