ถามเรื่อง SEO ครับ <!---STRAT ROBOTS---> คำมีผลอะไรไหมครับ

<!---STRAT ROBOTS--->

<meta http-equiv="content-language" content="en-th" />
<meta name="title" content="#"/>
<meta name="description" content="T#" />
<meta name="keywords" content="#" />
<title>Title</title>
<meta name="revisit-after" content="2 days" />
<META name="expires" CONTENT="Never" >
<meta name='distribution' content='global'>
<meta name='robots' content='index,follow'>
<meta name='googlebot' content='archive'>
<meta name="author" content="#" />
<meta name="rating" content="general">
<META name="language" content="en-th">
<META name="copyright" CONTENT="DfirstProperty Co., Ltd.">
<META NAME="generator" CONTENT="Dreamweaver">
<meta itemprop="description" content="#">
<meta itemprop="image" content="#">
<meta property="og:site_name" content="#" />
<meta property="og:locale" content="th_TH" />
<meta property="og:type" content="website Property" />
<meta property="og:title" content="#"/>
<meta property="og:image" content="#"/>
<meta property="og:description" content="#"/>
<meta property="og:url" content="#"/>

<!---END ROBOTS--->