Some worth mentioning best practices include; W3C standards - These end up being adhered to by all pages, no-abusive keyword density and include things like Sitemap.xml and Robots.txt at all times.
This software will provide your website with some nice, eye appealing layout. http://Bioinformatics.org/seqlink/seo_st_ategies_-_t_uth_sea_ch_engine_optimization