70 51 57 74 2015 2016 2017 (Oct) )5514ܦ༝ͰಡΈࠐ·Εͨϖʔδͷׂ߹ (%) US France Japan Japan Japan France US US France HTTPS encryption on the web https://transparencyreport.google.com/https/overview
machines, SSL/TLS accounts for less than 1% of the CPU load, less than 10 KB of memory per connection and less than 2% of network overhead. Many people believe that SSL/TLS takes a lot of CPU time and we hope the preceding numbers will help to dispel that.” - Adam Langley, Google զʑͷຊ൪ڥʹ͋ΔϑϩϯτΤϯυϚγϯ্ʹ͓͍ͯɺ44-5-4ͷॲཧʹ͔ ͔Δෛՙɺ $16༻ʹͯ͠ະຬ ɺίωΫγϣϯ͋ͨΓͷϝϞϦ༻ ʹͯ͠,#ະຬɺωοτϫʔΫͷΦʔόʔϔουʹͯ͠ະຬͰ͋Δɻଟ͘ ͷਓʑ͕44-5-4ଟ͘ͷ$16࣌ؒΛফඅ͢Δͱ৴͍ͯ͡Δ͕ɺզʑલड़ ͷࣈʹΑͬͯ͜ͷ͍͕ٙΕΔ͜ͱΛئ͍ͬͯΔ
Access-Control-Allow-Origin: http://www.example.com XMLHttpRequest cannot load https://api.example.com/article/1234. Origin https://www.example.com is not allowed by Access-Control-Allow-Origin.