For a WordPress website you have to setup a web form so that visitors can easily send you their message.
It can be easy for developers to use WordPress plugins.
This article for you, 10 Free Contact Form Plugins for WordPress which surly can help to set up a WordPress website contact form.
Contact Form 7
If you value simplicity and flexibility, Contact Form 7 is a great choice. It allows you to flexibly design the form and mail. You can manage multiple contact forms as well. In addition, it supports many features including AJAX submitting, CAPTCHA, Akismet spam filtering, file uploading, etc.
SimpleModal Contact Form (SMCF)
Tiny Contact Form
Little form that allows site visitors to contact you by email.
A Clean, no hassle contact form plugin for WordPress, with advanced Spam bot protection that doesn’t require Captcha.
Contact Coldform is designed with a sharp focus on clean code, solid performance, and ease of use. No frills, no gimmicks, only pure contact-form satisfaction. If you are looking for a solid, well-designed, user-friendly, fully customizable contact form, look no further: Coldform is perfect for any WordPress blogger.
Fast Secure Contact Form
A super customizable contact form that lets your visitors send you email. Blocks all automated spammers. No templates to mess with.
Slick Contact Forms
Slick contact forms allows you quickly and easily create contact forms for any area on your WordPress site using widgets
Simple contact form
Simple contact form plug-in provides a simple Ajax based contact form on your wordpress website side bar.
WD3K Ajax Sliding Contact Form
This plugin generates nice jQuery powered sliding contact form in the left border of your WP blog. Contains client side validation and ajax powered mailing, so no page refresh is required.