Verifique se a resposta de um site usa compressão Gzip. Revise um sinal básico de entrega de páginas e configuração do servidor web.
The Gzip compression test tool provides you with the Gzip compression test on the website, the scale test on the website, the speed test on download after compression, the size of the page after compression, the size of the original file, and the comparison of the gzip with the pre-compression period.
When Gzip opens, the data from the output browser will be compressed before the data are sent to the user, which will reduce the amount of data transmitted via the network, increase the speed of the browsing and save bandwidth.