MatrixAdapt | Logiciel de gestion d'Entreprise, Création et référencement des sites web

First you go to the blogger. > Dashboard > Template > Edit html > Then find
line .. <b:include data='blog' name='all-head-content'/>  then press enter .
paste this html code .

<meta content='your website description' name='description'/>
<meta content=' example : seo optimization, your keyword, may be 5-10 word.  ' name='keywords'/>
<meta content='your name' name='author'/>


 Better for them to see this picture.