As an expert and certified net developer, you continue to must earn, and deserve, shopper religion and this implies you should keep up with the continuous developments in the ever evolving trade of web design. Even when choosing out the 5 worst errors in net design is in some ways a subjective state of affairs, usability should always be viewed as top of the precedence listing. 1. Poor Use of PDF Files. As an web person yourself it is best to know how a lot of a ache it's to encounter PDF paperwork inside a search engine search. They are often arduous to navigate, and no matter the reality that plenty of search engines now index them, they don't seem to be usually what the web site visitor is on the lookout for. Make certain that any information and info it's good to make the most of in PDF documents can be converted into HTML webpages that are simply listed in the various search engines. 2. Bad Site Structure. Naturally you need guests to find your net site without difficulties.