"a test website" is correct and usable in written English.
It can be used when referring to a website that is created for testing purposes, such as for development or quality assurance.
Example: "Before launching the new features, we need to thoroughly test them on a test website to ensure everything works as intended."
Alternatives: "a trial website" or "a demo website".
On a test Web site, Shraiberg demonstrated to ScienceNOW how plugging in the key word "nuclear" pulled up some 200 abstracts, some of which are linked to papers "of which no more than 50 were ever even printed," he claims.
First spotted by CNBC, the company served up a test web page to several customers telling them about a service that would allow them to look at their "whole genome data".
The system was implemented in a testing Web server and Web access interface designed for individual user.
This paper proposes a technique to test Web services using parameter mutation analysis.
See test web http://web.gbt.tfo.upm.es/clinic/login.asp.asp
The Arena browser (also known as the Arena WWW Browser) was an early testbed Web browser and Web authoring tool for Unix.
The purpose of the consortium, one person said, is to agree on a framework for testing Web software from different suppliers to verify that it really does allow the open sharing of data across the Internet.
Selenium is a suite of tools for testing web applications (seleniumhq.org).
The company's activitie includes software testing, web testing, usability testing and other user support.
Today's revelation, courtesy of the Washington Post: days before the launch, officials and government contractors conducted a test of the new Web site, during which it crashed when just a few hundred people tried to log in simultaneously.
A glitch in a test version of the Web site exposed some 80 million user birth dates, and in another incident last November Facebook "lost" e-mail privacy settings for many of its users.
