An accessibility statement makes a good addition to all web sites. It is not only a place to demonstrate that you are taking accessibility seriously, but more importantly, it should provide extra information for visitors to your site — particularly for those people with disabilities who need to know about the accessibility of the information and services you provide — and a mechanism to receive feedback on accessibility. Read more – ‘Writing a Good Web Accessibility Statement’.
The first step to increasing your site’s visibility on the top search engines such as Google, Yahoo! and MSN is to help their respective robots crawl and index your site. To avoid undesirable content in the search indexes, webmasters can instruct spiders not to crawl certain files or directories through the standard robots.txt file. Conversely and importantly, webmasters can also notify the search engines about the existence and importance of pages with a sitemap.xml file Read more – ‘Google, Yahoo and Microsoft Webmaster Tools’.
Apache is controlled by a series of configuration files but the one we will be dealing with here is httpd.conf. This file contains instructions on how Apache should run. Several companies offer GUI-based Apache front-ends, but it's easier to edit the configuration files by hand. Read more – ‘Configuring Your First Local Apache Website’.