Merhaba arkadaşlar kendimin kullandığı ve her zaman işime yarayan arama motorlarına göre güncellenmiş dosyamı paylaşıyorum. Kendize göre editleyip kullanabilirsin. Umarım yardımcı olur.

# ============================================
# CMS - SEO & Performance .htaccess
# ============================================

# --- HTTPS Zorla ---
RewriteEngine On
RewriteCond %{HTTPS} off
RewriteRule ^(.*)$ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]

# --- www → non-www ---
RewriteCond %{HTTP_HOST} ^www\.siteadresin\.com [NC]
RewriteRule ^(.*)$ https://siteadresin.com/$1 [L,R=301]

# --- Trailing Slash (SEO) ---
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_URI} !/$
RewriteCond %{REQUEST_URI} \.[a-zA-Z]{2,}$
RewriteRule ^(.*)$ /$1/ [L,R=301]

# --- Klasör index dosyaları ---
DirectoryIndex index.php index.html

# --- 404 Hata Sayfası ---
ErrorDocument 404 /404.php

# --- Gzip Sıkıştırma ---
<IfModule mod_deflate.c>
    AddOutputFilterByType DEFLATE text/html
    AddOutputFilterByType DEFLATE text/css
    AddOutputFilterByType DEFLATE text/javascript
    AddOutputFilterByType DEFLATE text/xml
    AddOutputFilterByType DEFLATE text/plain
    AddOutputFilterByType DEFLATE application/javascript
    AddOutputFilterByType DEFLATE application/x-javascript
    AddOutputFilterByType DEFLATE application/json
    AddOutputFilterByType DEFLATE application/xml
    AddOutputFilterByType DEFLATE application/rss+xml
    AddOutputFilterByType DEFLATE application/atom+xml
    AddOutputFilterByType DEFLATE image/svg+xml
    AddOutputFilterByType DEFLATE font/opentype
    AddOutputFilterByType DEFLATE font/ttf
    AddOutputFilterByType DEFLATE application/vnd.ms-fontobject
    AddOutputFilterByType DEFLATE application/x-font-ttf
    AddOutputFilterByType DEFLATE application/x-font-opentype
</IfModule>

# --- Tarayıcı Önbellekleme ---
<IfModule mod_expires.c>
    ExpiresActive On
    ExpiresDefault                              "access plus 1 month"
    ExpiresByType text/html                     "access plus 0 seconds"
    ExpiresByType text/xml                      "access plus 0 seconds"
    ExpiresByType application/json              "access plus 0 seconds"
    ExpiresByType application/xml               "access plus 0 seconds"
    ExpiresByType text/css                      "access plus 1 year"
    ExpiresByType text/javascript               "access plus 1 year"
    ExpiresByType application/javascript        "access plus 1 year"
    ExpiresByType application/x-javascript      "access plus 1 year"
    ExpiresByType image/jpeg                    "access plus 1 year"
    ExpiresByType image/png                     "access plus 1 year"
    ExpiresByType image/gif                     "access plus 1 year"
    ExpiresByType image/webp                    "access plus 1 year"
    ExpiresByType image/svg+xml                 "access plus 1 year"
    ExpiresByType image/x-icon                  "access plus 1 year"
    ExpiresByType font/woff                     "access plus 1 year"
    ExpiresByType font/woff2                    "access plus 1 year"
    ExpiresByType font/ttf                      "access plus 1 year"
    ExpiresByType font/opentype                 "access plus 1 year"
    ExpiresByType application/vnd.ms-fontobject "access plus 1 year"
</IfModule>

# --- Cache-Control Headers ---
<IfModule mod_headers.c>
    <filesMatch "\.(ico|jpe?g|png|gif|webp|svg|woff|woff2|ttf|otf|eot)$">
        Header set Cache-Control "public, max-age=31536000, immutable"
    </filesMatch>
    <filesMatch "\.(css)$">
        Header set Cache-Control "public, max-age=31536000, immutable"
    </filesMatch>
    <filesMatch "\.(js)$">
        Header set Cache-Control "public, max-age=2678400"
    </filesMatch>
    <filesMatch "\.(html|htm|php)$">
        Header set Cache-Control "no-cache, no-store, must-revalidate"
        Header set Pragma "no-cache"
        Header set Expires "0"
    </filesMatch>
</IfModule>

# --- SEO Header'ları ---
<IfModule mod_headers.c>
    Header set X-Content-Type-Options "nosniff"
    Header set X-Frame-Options "SAMEORIGIN"
    Header set X-XSS-Protection "1; mode=block"
    Header set Referrer-Policy "strict-origin-when-cross-origin"
    Header set Permissions-Policy "camera=(), microphone=(), geolocation=()"
</IfModule>

# --- ETag Kaldır (Cache提速) ---
<IfModule mod_headers.c>
    Header unset ETag
</IfModule>
FileETag None

# --- Güvenlik: Hassas Dosyaları Engelle ---
<FilesMatch "^(db\.php|config\.php|functions\.php|content\.php|send_mail\.php|license\.php|\.env|composer\.(json|lock))$">
    <IfModule mod_authz_core.c>
        Require all denied
    </IfModule>
    <IfModule !mod_authz_core.c>
        Order Allow,Deny
        Deny from all
    </IfModule>
</FilesMatch>

# --- Klasör Listelemeyi Engelle ---
Options -Indexes

# --- .git, .env, backup dosyalarını engelle ---
<IfModule mod_rewrite.c>
    RewriteRule ^\.git - [F,L]
    RewriteRule ^\.env - [F,L]
    RewriteRule ^\.htaccess$ - [F,L]
    RewriteRule \.(sql|bak|old|log|ini|sh)$ - [F,L]
</IfModule>

# --- PHP Eş Zamanlılıksız ---
<IfModule mod_php7.c>
    php_flag display_startup_errors off
    php_flag display_errors off
    php_flag log_errors on
</IfModule>
<IfModule mod_php.c>
    php_flag display_startup_errors off
    php_flag display_errors off
    php_flag log_errors on
</IfModule>

# --- Resource Limits ---
<IfModule mod_php7.c>
    php_value max_execution_time 60
    php_value memory_limit 256M
    php_value post_max_size 20M
    php_value upload_max_filesize 10M
</IfModule>
<IfModule mod_php.c>
    php_value max_execution_time 60
    php_value memory_limit 256M
    php_value post_max_size 20M
    php_value upload_max_filesize 10M
</IfModule>