http://www.email-marketing-reports.com/deliverability/introduction.htm
If you're new to email marketing, you might wonder just what issues there could be around delivery. After all, you write an email, you put in the recipient's email address, you click "send", and you expect it to land in front of that recipient a moment or two later...

http://www.peopleperhour.com/ – if you’re looking for a freelancer here’s the place to go - not just creatives but other skills as well.

http://www.editcentral.com/gwt1/EditCentral.html Put your copy through the six ‘readability’ benchmarks and see how it scores for clarity – I hope you don’t find the experience quite as surprising as I did…

http://websitegrader.com/ This tool looks further than how well or not a website is optimised – it measures the site’s overall marketing effectiveness. Websitegrader not only ‘scores’ a website based on things like traffic, SEO, social popularity and some technical factors it also provides basic advice on how any website can be improved from a marketing perspective.

http://www.webceo.com/ I use this tool on a daily basis to check how the websites I’m involved with are ranking. Web CEO claims that “our SEO software offers more for free than any other software package or suite for SEO.” And just for once, they’re spot on.

http://www.internetmarketingforbusinessowners.com/
If you like a slick idea, marketed in a very slick manner, by a very slick presenter, have a look at this slick site – it’s quite slick. Have to say that it’s more of a weekend excursion than something to get distracted by in your working day.

http://www.copyscape.com/ Got a suspicion that your content is being used by somebody else, somewhere? This is the place to go to find out. I used this tool last Friday and discovered that some of my work had indeed been plagiarised!

http://www.jingproject.com/ Ever wanted to show somebody something on your computer screen where a movie would really help get your point across? Jing makes it dead easy to make a short movie based on what’s happening on your PC’s computer screen.

http://optimization.marketingstudies.net/content/defining_online_conversion_what_is_it.php Want to know the truth about response rates and conversion rates? If so, here’s the site for you. It’s as dry as dust but it gets down to the nitty gritty.