Use plagiarism checkers to avoid unintentional duplication. Remember, "research" doesn't mean stealing. Black hat SEO tricks are bad, however as they often result in sites which do not engage with your audience, they come off "spammy" and to make matters worse, black hat SEO practices often get your page penalized …

If you have several versions of your site in different languages, add visual cues linking to your multilingual content in or near your top navigation. For example, you can use flag icons to link to each country or language's site. Apple even has a page that lists all the countries …

Search engines aren't good at completing online forms (such as a login), and thus any content contained behind them may remain hidden. These messages are sent to every constituency, including customers, suppliers, and employees. Keyword research should be the starting point for any SEO campaign. Why? Because if you don't …