Certain languages obviously target certain audience. To use an extreme example, a site written entirely in Japanese would almost certainly be targeting a Japanese audience. However, there are other elements to be taken into consideration here. You could for example place links in an index page to may other similar pages that are simply translations of the main page in question.
There are also other, less obvious subtleties. Such as use of American terminology for targeting an American audience. Use of technical terminology for targeting a more technical audience.
Most web pages will clearly be targeted at one audience or another quite simply by using a particular language or language structure rather than another.
With modern translation managers it's also possible to present offers or content specific to certain languages and not others.