Starting on March 22, 2021, grammar.com's operability has been analyzed 20 times over the last 1 451 days. Grammar.com, during all tests, proved its functionality 20 times, with the latest uptime on February 6, 2025, confirming a response of code 200. All assessments indicated grammar.com faced no periods of inoperability as of March 13, 2025. The received responses all confirm that, as of March 13, 2025, there were no responses containing errors. On February 6, 2025, grammar.com's response time contrasted its average, being 1.013 seconds against 1.111 seconds.