In the time period spanning 1 400 days from January 18, 2021, proquest.jp underwent 3 accessibility tests. In every test performed as of November 19, 2024, proquest.jp was either unreachable or facing issues with functionality. Out of all the times proquest.jp was checked, it was unreachable for 1 of them, equivalent to 33.33%, including as recently as January 18, 2021. On December 18, 2022, the latest error among the 2 error responses was represented by code 403. Data indicates 0.082 seconds response time for proquest.jp on December 18, 2022, against 0.219 seconds average.