First, Check Per Page SEO in the Perpetua Console.

Second, add the following code to after the HTML tag, but before the head tag. 

<cfparam name="Attributes.postid" default="0">
<cfparam name="request.site_title" default="#qry_sitedefinition.Title#">
<cfparam name="request.page_title" default="#qry_pageinfo.fldTitle#">
<cfparam name="request.meta_keywords" default="#qry_sitedefinition.fldMetaKeywords#">
<cfparam name="request.meta_description" default="#qry_sitedefinition.fldMetaDescription#">

Finally, replace the existing meta tags with these updated meta tags. 

<META name="keywords" CONTENT="#request.meta_keywords#">
<META name="description" CONTENT="#request.meta_description#">

To assign page titles based on Blog post titles, replace the <title> tag with the following: 

<title>#request.page_title#<cfif (IsDefined("Attributes.tag") and len(Trim(Attributes.tag))) OR (IsDefined("Attributes.category") and len(Trim(Attributes.category)))></cfif> | #request.site_title#</title>