.htaccess

<IfModule mod_headers.c>
    RequestHeader set X-Prerender-Token "HtE1M5JWdIW2DFKxV0OD"
</IfModule>
 
<IfModule mod_rewrite.c>
    RewriteEngine On
    
    RewriteCond %{HTTP:X-Forwarded-Proto} !https 
    RewriteRule .* https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301,NE]
 
    <IfModule mod_proxy_http.c>
        RewriteCond %{HTTP_USER_AGENT} baiduspider|facebookexternalhit|twitterbot|rogerbot|linkedinbot|embedly|quora\ link\ preview|showyoubot|outbrain|pinterest|slackbot|vkShare|W3C_Validator [NC,OR]
        RewriteCond %{QUERY_STRING} _escaped_fragment_
        
        # Only proxy the request to Prerender if it's a request for HTML
        RewriteRule ^(?!.*?(\.js|\.css|\.xml|\.less|\.png|\.jpg|\.jpeg|\.gif|\.pdf|\.doc|\.txt|\.ico|\.rss|\.zip|\.mp3|\.rar|\.exe|\.wmv|\.doc|\.avi|\.ppt|\.mpg|\.mpeg|\.tif|\.wav|\.mov|\.psd|\.ai|\.xls|\.mp4|\.m4a|\.swf|\.dat|\.dmg|\.iso|\.flv|\.m4v|\.torrent|\.ttf|\.woff))(.*) http://service.prerender.io/http://example.com/$2 [P,L]
    </IfModule>
</IfModule>