You should be able to add a rewrite condition to prevent WordPress from taking over the URLs for tracker: RewriteCond %{REQUEST_URI} !tracker/

<IfModule mod_rewrite.c>
    RewriteEngine On
    RewriteBase /
    RewriteCond %{REQUEST_URI} !tracker/
    RewriteRule ^index\.php$ - [L]
    RewriteCond %{REQUEST_FILENAME} !-f
    RewriteCond %{REQUEST_FILENAME} !-d
    RewriteRule . /index.php [L]
</IfModule>
<IfModule mod_rewrite.c>
    RewriteEngine On
    RewriteRule ^wp-admin/profile\.php$  /ssm/welcome [R] 
</IfModule>

You should be able to add a rewrite condition to prevent WordPress from taking over the URLs for tracker: RewriteCond %{REQUEST_URI} !tracker/

<IfModule mod_rewrite.c>
    RewriteEngine On
    RewriteBase /
    RewriteRule ^index\.php$ - [L]
    RewriteCond %{REQUEST_FILENAME} !-f
    RewriteCond %{REQUEST_FILENAME} !-d
    RewriteCond %{REQUEST_URI} !tracker/
    RewriteRule . /index.php [L]
</IfModule>
<IfModule mod_rewrite.c>
    RewriteEngine On
    RewriteRule ^wp-admin/profile\.php$  /ssm/welcome [R] 
</IfModule>