How to build SEO friendly Single Page Applications?
How does SEO4Ajax compare to Prerender?
SEO4Ajax implements many features that its competitors don’t. Amongst all of them, SEO4Ajax embeds a crawler in order to find all the pages of your website without providing any sitemap but also make sure pages are cached in SEO4Ajax before bots request them. SEO4Ajax can also help you to debug your website thanks to the automatic detection of some errors (e.g. blank pages). The SEO reports generated twice a day also helps you to identify duplicate contents, broken links, duplicate titles etc.
You can have a look at the comparison table to get more details about these differences.