Web Design with SEO in mind!
The types of scripts and code you use in the development of your website can play a strong role in how your website ranks in a search. If you keep good SEO Design Practice in mind when building your website, it will be that much easier for the SE's to read content on your website.
If used wisely, it will not hurt. But if your main content is displayed through JavaScript, this makes it more difficult for spiders to follow and if JavaScript code is a mess and spiders can't follow it, this will definitely hurt your ratings.
Having a text-only site is so boring but having many images and no text is a SEO sin. Always provide in the
Podcasts and videos are becoming more and more popular but as with all non-textual goodies, search engines can't read them, so if you don't have the tapescript of the podcast or the video, it is as if the podcast or movie is not there because it will not be indexed by search engines.
Using images instead of text links is bad, especially when you don't fill in the alt tag. But even if you fill in the alt tag, it is not the same as having a bold, underlined, 16-pt. link, so use images for navigation only if this is really vital for the graphic layout of your site.
Frames are very, very bad for SEO. Avoid using them unless really necessary.
Spiders don't index the content of Flash movies, so if you use Flash on your site, don't forget to give it an alternative textual description.
Fortunately this epidemic disease seems to have come to an end. Having a Flash home page (and sometimes whole sections of your site) and no HTML version, is SEO suicide.
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