Question

LEMP Stack and SSL with prestashop => TTFB > 8Secs

Hello community :)

I hosted on VPS with digitalocean, in Singapour (we are located in Australia). I use Prestashop software for my store. I installed nginx, php-fpm and mysql (LEMP Stack) by myself.

But I have like 8 sec for any page in prestashop to load this page (8sec only for the Time To First Byte)

nginx.conf :

user  www-data;
worker_processes  auto;
worker_priority        15;

error_log  /var/log/nginx/error.log warn;
pid        /var/run/nginx.pid;


events {
    worker_connections  1024;
}


http {
    include       /etc/nginx/mime.types;
    default_type  application/octet-stream;

    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';

    access_log  /var/log/nginx/access.log  main;
sendfile on;
    tcp_nopush on;
    tcp_nodelay on;
    keepalive_timeout 20;
    client_max_body_size 15m;
    client_body_timeout 60;
    client_header_timeout 60;
    client_body_buffer_size  10K;
    client_header_buffer_size 1k;
    large_client_header_buffers 4 8k;
    send_timeout 60;
    reset_timedout_connection on;
    types_hash_max_size 2048;
    server_tokens off;


	gzip on;
    gzip_static on;
    gzip_disable "msie6";
    gzip_vary on;
    gzip_proxied any;
    gzip_comp_level 2;
    gzip_min_length 512;
    gzip_buffers 16 8k;
    gzip_http_version 1.1;
    gzip_types text/css text/javascript text/xml text/plain text/x-component 
    application/javascript application/x-javascript application/json 
    application/xml  application/rss+xml font/truetype application/x-font-ttf 
    font/opentype application/vnd.ms-fontobject image/svg+xml;

# Disable for IE < 6 because there are some known problems

 #fastcache

fastcgi_cache_path /etc/nginx-cache levels=1:2 keys_zone=phpcache:100m inactive=60m;
fastcgi_cache_key "$scheme$request_method$host$request_uri";


	include /etc/nginx/blacklist.conf;
    include /etc/nginx/sites-enabled/*;
}

My vhost config :

server {

server_name sub.domain.com;
# Normal
listen 80;
return 301 https://$server_name$request_uri;
}


# SSL
server {

listen 443 spdy;

# Error / Access log
error_log /var/log/nginx/domain.com_error.log;
access_log /var/log/nginx/domain.com_access.log;

#ssl :
include '/etc/nginx/conf.d/ssl.conf';

# Server settings :
server_name sub.domain.com;
root /home/usersys/sites/domain.com;
index index.html index.htm index.php;
proxy_buffers 16 16k;
proxy_buffer_size 32k;

# Location php :
include '/etc/nginx/conf.d/location-php.conf';

# Cache static :
include '/etc/nginx/conf.d/cache_static.conf';

# Rewrite rule presta :
include /etc/nginx/conf.d/ps_rewrite_rules.conf;
}

ssl.conf file :

ssl on;
ssl_certificate /etc/ssl/www.domain.com.crt;
ssl_certificate_key /etc/ssl/www.domain.com.key;


ssl_ciphers ECDHE-RSA-AES256-SHA384:AES256-SHA256:RC4:HIGH:!MD5:!aNULL:!eNULL:!NULL:!DH:!EDH:!AESGCM;

ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
ssl_session_cache shared:SSL:32m;
ssl_buffer_size 4k;
ssl_session_timeout 10m;

client_max_body_size 15m;
client_body_buffer_size 128k;

ssl_stapling on;
ssl_stapling_verify on;
ssl_trusted_certificate /etc/ssl/trusted.crt;
resolver 8.8.4.4 8.8.8.8 valid=300s;
resolver_timeout 10s;

ssl_prefer_server_ciphers on;
ssl_dhparam /etc/ssl/certs/dhparam.pem;

add_header Strict-Transport-Security "max-age=31536000";
add_header X-Content-Type-Options nosniff;

location-php.conf file :

location ~ \.php$ {

try_files $uri =404;
fastcgi_split_path_info ^(.+\.php)(/.+)$;
# NOTE: You should have "cgi.fix_pathinfo = 0;" in php.ini
# With php5-cgi alone:
#fastcgi_pass 127.0.0.1:9000;
# With php5-fpm:
fastcgi_pass unix:/var/run/php5-fpm.sock;
fastcgi_index index.php;
fastcgi_param HTTPS on;
fastcgi_read_timeout 300;
fastcgi_buffers 256 16k;
fastcgi_buffer_size 32k;
fastcgi_cache phpcache; # The name of the cache key-zone to use
fastcgi_cache_valid 200 30m; # What to cache: 'code 200' responses, for half an hour
fastcgi_cache_methods GET HEAD; # What to cache: only GET and HEAD requests (ot POST)
add_header X-Fastcgi-Cache $upstream_cache_status; # Allow us to see if the cache was HIT, MISS, or BYPASSED inside a browser's Inspector panel
fastcgi_cache_bypass $no_cache; # Dont pull from the cache if true
fastcgi_no_cache $no_cache; # Dont save to the cache if true


include fastcgi_params;

}

cache_static.conf :

# Expire rules for static content

# cache.appcache, your document html and data
location ~* \.(?:manifest|appcache|html?|xml|json)$ {
expires -1;
# access_log logs/static.log; # I don't usually include a static log
}

# Feed
location ~* \.(?:rss|atom)$ {
expires 1h;
add_header Cache-Control "public";
}

# Media: images, icons, video, audio, HTC
location ~* \.(?:jpg|woff|jpeg|gif|png|ico|cur|gz|svg|svgz|mp4|ogg|ogv|webm|htc)$ {
expires 1M;
access_log off;
add_header Cache-Control "public";
}

# CSS and Javascript
location ~* \.(?:css|js)$ {
expires 1y;
access_log off;
add_header Cache-Control "public";
}

ps_rewrite_rules.conf :

rewrite ^/api/?(.*)$ /webservice/dispatcher.php?url=$1 last;
rewrite ^/([0-9])(-[_a-zA-Z0-9-]*)?(-[0-9]+)?/.+\.jpg$ /img/p/$1/$1$2.jpg last;
rewrite ^/([0-9])([0-9])(-[_a-zA-Z0-9-]*)?(-[0-9]+)?/.+\.jpg$ /img/p/$1/$2/$1$2$3.jpg last;
rewrite ^/([0-9])([0-9])([0-9])(-[_a-zA-Z0-9-]*)?(-[0-9]+)?/.+\.jpg$ /img/p/$1/$2/$3/$1$2$3$4.jpg last;
rewrite ^/([0-9])([0-9])([0-9])([0-9])(-[_a-zA-Z0-9-]*)?(-[0-9]+)?/.+\.jpg$ /img/p/$1/$2/$3/$4/$1$2$3$4$5.jpg last;
rewrite ^/([0-9])([0-9])([0-9])([0-9])([0-9])(-[_a-zA-Z0-9-]*)?(-[0-9]+)?/.+\.jpg$ /img/p/$1/$2/$3/$4/$5/$1$2$3$4$5$6.jpg last;
rewrite ^/([0-9])([0-9])([0-9])([0-9])([0-9])([0-9])(-[_a-zA-Z0-9-]*)?(-[0-9]+)?/.+\.jpg$ /img/p/$1/$2/$3/$4/$5/$6/$1$2$3$4$5$6$7.jpg last;
rewrite ^/([0-9])([0-9])([0-9])([0-9])([0-9])([0-9])([0-9])(-[_a-zA-Z0-9-]*)?(-[0-9]+)?/.+\.jpg$ /img/p/$1/$2/$3/$4/$5/$6/$7/$1$2$3$4$5$6$7$8.jpg last;
rewrite ^/([0-9])([0-9])([0-9])([0-9])([0-9])([0-9])([0-9])([0-9])(-[_a-zA-Z0-9-]*)?(-[0-9]+)?/.+\.jpg$ /img/p/$1/$2/$3/$4/$5/$6/$7/$8/$1$2$3$4$5$6$7$8$9.jpg last;
rewrite ^/c/([0-9]+)(-[_a-zA-Z0-9-]*)(-[0-9]+)?/.+\.jpg$ /img/c/$1$2.jpg last;
rewrite ^/c/([a-zA-Z-]+)(-[0-9]+)?/.+\.jpg$ /img/c/$1.jpg last;
rewrite ^/([0-9]+)(-[_a-zA-Z0-9-]*)(-[0-9]+)?/.+\.jpg$ /img/c/$1$2.jpg last;
rewrite ^/order$ /index.php?controller=order last;
if (!-e $request_filename){
rewrite ^(.*)$ /index.php last;
}

Thanks a lot :)


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Even for one image I got a TTFB due 2 secs

Screenshot