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Troubleshooting Apache .htaccess integration

To troubleshoot Apache .htaccess integration, ensure the Prerender code is the first Rewrite condition. Any rule above it with an [L] flag prevents processing of rules below, causing integration issues.

Example of a wrong order:

 

RewriteEngine on

# Don't rewrite files or directories
RewriteCond %{REQUEST_FILENAME} -f [OR]  
RewriteCond %{REQUEST_FILENAME} -d  
RewriteRule ^ - [L]

RewriteEngine On
RewriteCond %{SERVER_PORT} 80
RewriteRule ^(.*)$ https://www.example.com/$1 [R,L]
# Rewrite everything else to index.html to allow html5 state links
RewriteRule ^ index.html [L]

<IfModule mod_headers.c>
    RequestHeader set X-Prerender-Token "YOURTOKEN"
    RequestHeader set X-Prerender-Version "prerender-apache@2.0.0"
</IfModule>

<IfModule mod_rewrite.c>
    RewriteEngine On

    <IfModule mod_proxy_http.c>
        RewriteCond %{HTTP_USER_AGENT} googlebot|bingbot|yandex|baiduspider|facebookexternalhit|twitterbot|rogerbot|linkedinbot|embedly|quora\ link\ preview|showyoubot|outbrain|pinterest\/0\.|pinterestbot|slackbot|vkShare|W3C_Validator|whatsapp|redditbot|applebot|flipboard|tumblr|bitlybot|skypeuripreview|nuzzel|discordbot|google\ page\ speed|qwantify|bitrix\ link\ preview|xing-contenttabreceiver|chrome-lighthouse|telegrambot|Perplexity|OAI-SearchBot|ChatGPT|GPTBot|ClaudeBot|Amazonbot [NC,OR]
        RewriteCond %{QUERY_STRING} _escaped_fragment_
        RewriteCond %{REQUEST_URI} ^(?!.*?(\.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|\.svg))

        RewriteRule ^(index\.html|index\.php)?(.*) https://service.prerender.io/%{REQUEST_SCHEME}://%{HTTP_HOST}/$2 [P,END]
    </IfModule>
</IfModule>

Example of a good order:

 

RewriteEngine on

<IfModule mod_headers.c>
    RequestHeader set X-Prerender-Token "YOURTOKEN"
    RequestHeader set X-Prerender-Version "prerender-apache@2.0.0"
</IfModule>

<IfModule mod_rewrite.c>
    RewriteEngine On

    <IfModule mod_proxy_http.c>
        RewriteCond %{HTTP_USER_AGENT} googlebot|bingbot|yandex|baiduspider|facebookexternalhit|twitterbot|rogerbot|linkedinbot|embedly|quora\ link\ preview|showyoubot|outbrain|pinterest\/0\.|pinterestbot|slackbot|vkShare|W3C_Validator|whatsapp|redditbot|applebot|flipboard|tumblr|bitlybot|skypeuripreview|nuzzel|discordbot|google\ page\ speed|qwantify|bitrix\ link\ preview|xing-contenttabreceiver|chrome-lighthouse|telegrambot [NC,OR]
        RewriteCond %{QUERY_STRING} _escaped_fragment_
        RewriteCond %{REQUEST_URI} ^(?!.*?(\.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|\.svg))

        RewriteRule ^(index\.html|index\.php)?(.*) https://service.prerender.io/%{REQUEST_SCHEME}://%{HTTP_HOST}/$2 [P,END]
    </IfModule>
</IfModule>

# Don't rewrite files or directories
RewriteCond %{REQUEST_FILENAME} -f [OR]  
RewriteCond %{REQUEST_FILENAME} -d  
RewriteRule ^ - [L]

RewriteEngine On
RewriteCond %{SERVER_PORT} 80
RewriteRule ^(.*)$ https://www.example.com/$1 [R,L]
# Rewrite everything else to index.html to allow html5 state links
RewriteRule ^ index.html [L]