It's true word press does seem to be the dominant O.S really does look like we are set for integrated payments in the next few years as the standards are finally being discussed https://www.w3.org/TR/payment-request/

Would be nice to see something like this in the not too distant future https://www.coindesk.com/the-new-effort-to-get-bitcoins-lightning-network-in-every-browser/