Very Simple Password for WordPress is a plugin by lucasbustamante that hyour entire wordpress website behind one simple password.
Easy. Hide your entire wordpress website behind one simple password.
Beautiful. You can set your own logo and background.
Secure. Authentication is done through unique tokens stored in the database and checked against the visitor’s browser.
Brute force protection.
Easily translate all front-end strings on Settings.
Few other options, such as Allow visitor to request password, etc…
Only 28kb in size.
No external CSS.