Over the past 1 262 days beginning June 14, 2021, 5 total availability checks have been made for backoftheenvelope.britishcouncil.org. Backoftheenvelope.britishcouncil.org functionality was proven 5 times from total assessments performed, as shown recently by the November 20, 2024, 200 status code. Based on assessments completed as of November 27, 2024, backoftheenvelope.britishcouncil.org experienced no periods of inactivity. No errors have been encountered in any responses as of November 27, 2024, according to all replies obtained. Averaging 0.429 seconds, the response time of backoftheenvelope.britishcouncil.org on November 20, 2024, was 0.516 seconds.