4 availability checks of openurl.proquest.com had over the 1 247 day period starting from June 20, 2021. Testing proves openurl.proquest.com's operability 4 times from total attempts, including on August 9, 2021, when a 200 status code was received. As of November 19, 2024, no periods of inactivity were found for openurl.proquest.com throughout all checks. As of November 19, 2024, all received replies have confirmed that there are no errors in the responses. The average response time for openurl.proquest.com is 0.761 seconds, however the response time on August 9, 2021, was 0.196 seconds.