Some bot traffic isn’t desirable. You can block it by adding the following to your .htaccess file.
<IfModule mod_rewrite.c>
RewriteCond %{HTTP_USER_AGENT} (PetalBot|DataForSeo|AhrefsBot|Semrush|DotBot|BLEXBot) [NC]
RewriteRule (.*) - [F,L]
</IfModule>