I have the same problem here, even with PHP Caching, someone has a solution ?
21:35:20 /divers/international/ahimsa-milk-du-lait-sans-cruaute-5086/ Writing gzip content headers. Sending buffer to browser
21:35:20 /divers/international/ahimsa-milk-du-lait-sans-cruaute-5086/ wp_cache_shutdown_callback: collecting meta data.
21:35:20 /divers/international/ahimsa-milk-du-lait-sans-cruaute-5086/ Did not write meta file: wp-cache-f2b40d8198b3fed45cc6560d9320ac33.meta *1* *0* *1*
21:35:20 /divers/international/ahimsa-milk-du-lait-sans-cruaute-5086/ Output buffer callback
21:35:20 /divers/international/ahimsa-milk-du-lait-sans-cruaute-5086/ Anonymous user detected. Only creating Supercache file.
21:35:20 /divers/international/ahimsa-milk-du-lait-sans-cruaute-5086/ wp_cache_check_mobile:
21:35:20 /divers/international/ahimsa-milk-du-lait-sans-cruaute-5086/ Gzipping buffer.
21:35:20 /divers/international/ahimsa-milk-du-lait-sans-cruaute-5086/ Writing non-gzipped buffer to supercache file.
21:35:20 /divers/international/ahimsa-milk-du-lait-sans-cruaute-5086/ Writing gzipped buffer to supercache file.
21:35:20 /divers/international/ahimsa-milk-du-lait-sans-cruaute-5086/ Renamed temp supercache file to /var/www/clients/client1/web1/web/wp-content/cache/supercache/www.vegactu.com/divers/international/ahimsa-milk-du-lait-sans-cruaute-5086/index.html
21:35:20 /divers/international/ahimsa-milk-du-lait-sans-cruaute-5086/ Renamed temp supercache gz file to /var/www/clients/client1/web1/web/wp-content/cache/supercache/www.vegactu.com/divers/international/ahimsa-milk-du-lait-sans-cruaute-5086/index.html.gz
21:35:20 /divers/international/ahimsa-milk-du-lait-sans-cruaute-5086/ Writing gzip content headers. Sending buffer to browser
21:35:20 /divers/international/ahimsa-milk-du-lait-sans-cruaute-5086/ wp_cache_shutdown_callback: collecting meta data.
21:35:20 /divers/international/ahimsa-milk-du-lait-sans-cruaute-5086/ Did not write meta file: wp-cache-f2b40d8198b3fed45cc6560d9320ac33.meta *1* *0* *1*