SNS 공유 기능 META 태그 정리

<!-- 페이스북 -->
<meta property="og:title"           content="제목"/>
<meta property="og:site_name"       content="사이트명"/>
<meta property="og:type"            content="분류 (website,article,place,product,event ...)"/>
<meta property="og:url"             content="주소"/>
<meta property="og:image"           content="썸네일 (200x200.jpg)"/>
<meta property="og:description"     content="요약글"/>
 
<!-- 트위터 -->
<meta name="twitter:card"           content="분류 (summary, photo, gallery ...)">
<meta name="twitter:title"          content="제목">
<meta name="twitter:site"           content="사이트명">
<meta name="twitter:creator"        content="작성자명">
<meta name="twitter:image"          content="썸네일">
<meta name="twitter:description"    content="포스트 내용">
 
<!-- 미투데이 -->
<meta property="me2:post_body"      content="포스트 내용"/>
<meta property="me2:post_tag"       content="태그"/>
<meta property="me2:image"          content="썸네일"/>
<meta property="me2:latitude"       content="위도"/>
<meta property="me2:longitude"      content="경도"/>
<meta property="me2:post_icon"      content="포스트 아이콘 (1~12 숫자"/>
<meta property="me2:category1"      content="카테고리1"/>
<meta property="me2:category2"      content="카테고리2"/>