12 ܦʹઌߦͯ͠'JOBODJBM5JNFTࣾ8FC൛Λ ϦχϡʔΞϧ αΠτͷεϐʔυେࣄ /FYU'5 IUUQXXXOJFNBOMBCPSHUIFpOBODJBMUJNFTqJQTUIFTXJUDIPOJUTOFXXFCTJUFBGUFSNPOUITPGCFUBUFTUJOHJOUIFPQFO “We’ve run tests. If you can make the site a second faster, you can drive engagement by 5 percent,” FT chief product and information officer Cait O’Riordan