Como incorporar Instagram, Facebook, Twitter, Whatsapp ao seu site ou Guest App

Você pode simplesmente usar HTML para fazer isso. Por favor, certifique-se de adaptar a URL do Facebook / Instagram / Twitter. Você também pode, é claro, mudar o logotipo.

Facebook: 

<a href="https://www.facebook.com/smoobu">
<img border="0" src="https://www.facebook.com/images/fb_icon_325x325.png?_nc_cat=1&_nc_oc=AQklPOJLFEikPa1Y5VvDaDNoUn8xyNQBP6Qh0Zdupn6Lv6jTcyVIIVbvJco_gKCIkyZZx7WhghfWIosPt1U1yWnN&_nc_ht=scontent-ber1-1.xx&oh=aa81d2a22c45222427c23f6325f2be99&oe=5E02E4EA" width="100" height="100">
</a>

ou

<a href="https://www.facebook.com/smoobu">
<img border="0" src="https://upload.wikimedia.org/wikipedia/commons/0/05/Facebook_Logo_%282019%29.png?_nc_cat=1&_nc_oc=AQklPOJLFEikPa1Y5VvDaDNoUn8xyNQBP6Qh0Zdupn6Lv6jTcyVIIVbvJco_gKCIkyZZx7WhghfWIosPt1U1yWnN&_nc_ht=scontent-ber1-1.xx&oh=aa81d2a22c45222427c23f6325f2be99&oe=5E02E4EA" width="100" height="100">
</a>

Um exemplo aqui: https://sunnyproperties.bookingturbo.com/en/aboutus

Instagram:

<a href="https://www.instagram.com/airbnb">
<img border="0" src="https://instagram-brand.com/wp-content/uploads/2016/11/Instagram_AppIcon_Aug2017.png?w=300" width="100" height="100">
</a>

Twitter:

<a href="https://twitter.com/bookingcom">
<img border="0" src="https://upload.wikimedia.org/wikipedia/de/thumb/9/9f/Twitter_bird_logo_2012.svg/300px-Twitter_bird_logo_2012.svg.png" width="100" height="100">
</a>

Whatsapp:

<a href="https://api.whatsapp.com/send?phone=12073000212&text=Hi!%20I'm%20your%20guest">
<img border="0" src="https://www.smoobu.com/wp-content/uploads/2019/12/119959_whatsapp_512x512.png" width="100" height="100">
</a>

Linkedin

<a href="https://www.linkedin.com/company/smoobu/">
<img border="0" src="https://upload.wikimedia.org/wikipedia/commons/c/c9/Linkedin.svg" width="100" height="100">
</a>

For more Whatsapp instructions read here