Common resolutions are 640x480, 800x600 and 1024x768. If you're thinking of creating a multilingual site, consult your web usage statistics first. You can find out what domains your users are coming from and use that information to make a decision. For example, if most of your users originate in . Although search engines don't penalize for spelling or syntax errors, someone who finds a spelling mistake on your site may view it as unprofessional.
Many people believe such mistakes indicate a lack of cultural authority and credibility.
Run a spell check on every page before publishing. Don't submit to directories until you have your whole site up. All links, registration forms, password-protected sections and cookies should be working properly. Don't make visitors register to get past your home page. Many users won't waste their time with this, and neither will directory editors.