If for any reason you are not using Forge, that is an alternative way of installing mods on the new version of Minecraft 1.9/1.10 with modloader Meddle. Learn more about the installation process of the mods see the overview of Heron
Forge is the most important mod, without which it is almost impossible to install any one mod to new versions of Minecraft. If before the mods were installed by replacing the jar file, but now, after installing Forge, it is enough to throw the mod into the mods folder and run Minecraft.
If your Minecraft lag after installing shaders, high resolution textures and various mods, Optifine HD will help you. In the configuration file mod there are different parameters by which it is possible to achieve a significant increase in FPS and smoothness of the picture