Tutorial kali ini tentang berbagi postingan blog ke whatsapp,
langsung saja copy kode ini dan simpan di html tema blog anda

 <b:if cond='data:blog.isMobileRequest'>
                      <a class='whatsapp' expr:href='&quot;https://api.whatsapp.com/send?text=&quot; + data:post.title + &quot; | &quot; + data:post.url' rel='nofollow' target='_blank'>
                        <img alt='share-whatsapp' src='https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhLliTPRjKOJ1jCCtWLCMrkSI-1TmfgFEcWwut1pYRSKmM0UHu0WxWTm4ppc8sv1vXvsdMOkmNCi0tZzqVKXszYNOAaXlnuhix34P0kNVCl8AUYY4do_WDH8rJIo-E1r8WyR-sRlBbEgNg/w140-h140-p/wa.png'/></a>
                      <b:else/>
                   <a class='whatsapp whatsapp-desktop' expr:href='&quot;https://web.whatsapp.com/send?text=&quot; + data:post.title + &quot; | &quot; + data:post.url' onclick='window.open(this.href, &apos;windowName&apos;, &apos;width=900, height=550, left=24, top=24, scrollbars, resizable&apos;); return false;' rel='nofollow'>
                      <img alt='share-whatsapp' src='https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhLliTPRjKOJ1jCCtWLCMrkSI-1TmfgFEcWwut1pYRSKmM0UHu0WxWTm4ppc8sv1vXvsdMOkmNCi0tZzqVKXszYNOAaXlnuhix34P0kNVCl8AUYY4do_WDH8rJIo-E1r8WyR-sRlBbEgNg/w140-h140-p/wa.png'/></a>
                    </b:if>

untuk cara simpan kode di atas bisa di lihat disini

Cara membuat button share berbagi via aplikasi di facebook