OK, some stuff to play with today. Every time I look over the shoulder of proper search engine optimisation experts browsing the web, I see mysterious features on screen that I didn’t know existed. Just what are these tools? I’m not sure any of us can keep up with everything new on the market, but there’s a good list of some free ones in 7 Essential SEO Browser Extensions & Plugins on Search Engine Journal. Have a read; if you have SEO as a day-to-day responsibility (or just interest), one or more of these browser features and add-ons may prove fascinating.