Please see: https://github.com/kevinSuttle/html-meta-tags, thanks for the idea @dandv!
Copied from http://code.lancepollard.com/complete-list-of-html-meta-tags/
// I mean, seriously, localStorage is supported even by your mum. How about instead of | |
// casing the feature out, you give users in-memory (stale) storage instead? | |
// If they close your application, they deserve to lose data anyway. | |
// if (!('localStorage' in window)) { | |
if (!Modernizr.localstorage) { | |
window.localStorage = { | |
_data : {}, | |
setItem : function(id, val) { return this._data[id] = String(val); }, | |
getItem : function(id) { return this._data.hasOwnProperty(id) ? this._data[id] : undefined; }, |