Webamator

I think, it’s no secret that Google Maps slow down your page load. Lazy Load for Google Maps is a very simple plugin for WordPress and it allows you to solve this issue. It improves page load times and increases your Google PageSpeed Score.
<h3>External services</h3>
This plugin loads maps from the external Google Maps service (https://maps.googleapis.com). 
Map tiles and related data are requested directly from Google servers; no personal data is sent from your site except the map coordinates and your API key (if provided).
Privacy Policy: https://policies.google.com/privacy 
Terms of Service: https://maps.google.com/help/terms_maps/

Lazy Load for GMaps

Short Description: Simple WordPress plugin that loads Google Maps in posts and pages via Lazy Load for faster page performance.

nigro.simone

This plugin, implementing “Lazy Load” technique, avoids download of the pictures and iframe that are not displayed on the screen (for example: images in the bottom of the page) until the user will display them. This improves load speed of page and save the bandwidth.
Configurations are not required! You just have to install it and after the plugin does it all, none further action it’s required. 
This plugin is very light: only 5 kb.

Speed Up – Lazy Load

this plugin just jumped my google speed test by 10 points !

thank you !

Improves load speed of page and save the bandwidth.

Lazy Load for GMaps vs Speed Up – Lazy Load