I have an unfair advantage when it comes to SEO and traffic in general. First, I blog at a hosted site – IT Toolbox. There is some confusion about this – by my own family members – who believe I own IT Toolbox. This is because I wrote, The IT Career Builder’s Toolkit (published by Cisco Press). The name creates the confusion.
My site is cbtoolkit.com but in 2004 I was approached by IT Toolbox to take part in their blog program.
IT Toolbox – being a worldwide knowledgebase – has more than a million active members and thousands of subscribers to their blog program. My blog, as one of the more popular, gets huge exposure.
They pay for SEO – which in turns help my sites – linked to in my bio – gain search engine ranking and exposure.
You could try to join their blog program and still maintain an independent site or blog – some of the authors do that. Because your advice seems to focus on IT, it would be a good fit.
Otherwise, find a well-trafficked site that needs content. The effective facet of blogging is subscription and aggregation. If you can arrange reciprocal links or having a site pick up your feed directly, you stand to gain significant exposure.
Finally – but even before these steps – is a very clear definition of what you blog is for. Is it a philanthropic exercise – you just giving free information away, is it to fortify your position as an expert, help sell product or services, etc. Determine your ideal reader and the value you provide them.
I hope that helps a little
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