Just use following script as below
<meta name="keywords" content="<mt:EntryTags glue=", "><$mt:TagName$></mt:EntryTags>" /> <meta name="description" content="<$MTEntryBody words="30"$>" />
Please be carefully when you change your template file.
Follow me.
Login your Movabletype 4
Desing > Templates
Open Entry Template
Find
<title><$mt:EntryTitle encode_html="1"$> - <$mt:BlogName encode_html="1"$></title>
Add the code after it.
Rebuild your entry archives.
Done.
It is one of the most basic Search Engine Optimize methods. It make your entry page more Search Engine friendly.
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