vue-placeholders It's really really easy. Seriously, it's so easy:
<img v-phimg="300x200">
<div v-phtxt="2p3s"></div>
Try it!
<img v-phimg="">
<div v-phtxt=""></div>
<img v-phimg="300x200">
<div v-phtxt="2p3s"></div>
<img v-phimg="">
<div v-phtxt=""></div>