I have already done this thing but still not generating an XML sitemap.
Here Rank Math > General Settings > Edit .htaccess code below.
# BEGIN NON_LSCACHE
## LITESPEED WP CACHE PLUGIN – Do not edit the contents of this block! ##
### marker BROWSER CACHE start ###
<IfModule mod_expires.c>
ExpiresActive on
ExpiresByType application/pdf A31557600
ExpiresByType image/x-icon A31557600
ExpiresByType image/vnd.microsoft.icon A31557600
ExpiresByType image/svg+xml A31557600
ExpiresByType image/jpg A31557600
ExpiresByType image/jpeg A31557600
ExpiresByType image/png A31557600
ExpiresByType image/gif A31557600
ExpiresByType image/webp A31557600
ExpiresByType video/ogg A31557600
ExpiresByType audio/ogg A31557600
ExpiresByType video/mp4 A31557600
ExpiresByType video/webm A31557600
ExpiresByType text/css A31557600
ExpiresByType text/javascript A31557600
ExpiresByType application/javascript A31557600
ExpiresByType application/x-javascript A31557600
ExpiresByType application/x-font-ttf A31557600
ExpiresByType application/x-font-woff A31557600
ExpiresByType application/font-woff A31557600
ExpiresByType application/font-woff2 A31557600
ExpiresByType application/vnd.ms-fontobject A31557600
ExpiresByType font/ttf A31557600
ExpiresByType font/otf A31557600
ExpiresByType font/woff A31557600
ExpiresByType font/woff2 A31557600
</IfModule>
### marker BROWSER CACHE end ###
## LITESPEED WP CACHE PLUGIN – Do not edit the contents of this block! ##
# END NON_LSCACHE
# BEGIN LSCACHE
## LITESPEED WP CACHE PLUGIN – Do not edit the contents of this block! ##
<IfModule LiteSpeed>
RewriteEngine on
CacheLookup on
RewriteRule .* – [E=Cache-Control:no-autoflush]
RewriteRule \.litespeed_conf\.dat – [F,L]
### marker CACHE RESOURCE start ###
RewriteRule wp-content/.*/[^/]*(responsive|css|js|dynamic|loader|fonts)\.php – [E=cache-control:max-age=3600]
### marker CACHE RESOURCE end ###
### marker FAVICON start ###
RewriteRule favicon\.ico$ – [E=cache-control:max-age=86400]
### marker FAVICON end ###
### marker WEBP start ###
RewriteCond %{HTTP_ACCEPT} “image/webp” [or]
RewriteCond %{HTTP_USER_AGENT} “Page Speed”
RewriteRule .* – [E=Cache-Control:vary=%{ENV:LSCACHE_VARY_VALUE}+webp]
RewriteCond %{HTTP_USER_AGENT} iPhone.*Version/(\d{2}).*Safari
RewriteCond %1 >13
RewriteRule .* – [E=Cache-Control:vary=%{ENV:LSCACHE_VARY_VALUE}+webp]
### marker WEBP end ###
### marker DROPQS start ###
CacheKeyModify -qs:fbclid
CacheKeyModify -qs:gclid
CacheKeyModify -qs:utm*
CacheKeyModify -qs:_ga
### marker DROPQS end ###
</IfModule>
## LITESPEED WP CACHE PLUGIN – Do not edit the contents of this block! ##
# END LSCACHE
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteRule .* – [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]
RewriteBase /
RewriteRule ^index\.php$ – [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
</IfModule>
# BEGIN WordPress
# The directives (lines) between “BEGIN WordPress” and “END WordPress” are
# dynamically generated, and should only be modified via WordPress filters.
# Any changes to the directives between these markers will be overwritten.
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteRule .* – [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]
RewriteBase /
RewriteRule ^index\.php$ – [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
</IfModule>
# END WordPress
# php — BEGIN cPanel-generated handler, do not edit
# Set the “ea-php74” package as the default “PHP” programming language.
<IfModule mime_module>
AddHandler application/x-httpd-ea-php74___lsphp .php .php7 .phtml
</IfModule>
# php — END cPanel-generated handler, do not edit
# BEGIN cPanel-generated php ini directives, do not edit
# Manual editing of this file may result in unexpected behavior.
# To make changes to this file, use the cPanel MultiPHP INI Editor (Home >> Software >> MultiPHP INI Editor)
# For more information, read our documentation (https://go.cpanel.net/EA4ModifyINI)
<IfModule php7_module>
php_flag display_errors Off
php_value max_execution_time 5000
php_value max_input_time -1
php_value max_input_vars 5000
php_value memory_limit 500M
php_value post_max_size 500M
php_value session.gc_maxlifetime 5000
php_value session.save_path “/var/cpanel/php/sessions/ea-php74”
php_value upload_max_filesize 500M
php_flag zlib.output_compression Off
</IfModule>
<IfModule lsapi_module>
php_flag display_errors Off
php_value max_execution_time 5000
php_value max_input_time -1
php_value max_input_vars 5000
php_value memory_limit 500M
php_value post_max_size 500M
php_value session.gc_maxlifetime 5000
php_value session.save_path “/var/cpanel/php/sessions/ea-php74”
php_value upload_max_filesize 500M
php_flag zlib.output_compression Off
</IfModule>
# END cPanel-generated php ini directives, do not edit
