First, you need to know what content is old. If you have a content inventory, this should be simple. If you don’t, you can use Screaming Frog (free up to 500 URLs) to scrape your blog content and publication dates. Or, if you’re more of a manual person, go into Google Analytics and see which blogs are driving traffic and check when you published them. Tedious, but effective.
This topic seems actually quite controversial. Google answered the question by what could be taken as a denial. But their answer was kind of open to interpretations. And on the other hand, there are studies (one of them from Moz) that showed linking out has an impact. So, how can you be so assertive? Is it something that comes out from your own experiments?
Google Analytics is an invaluable source of data on just about every conceivable aspect of your site, from your most popular pages to visitor demographics. Keep a close eye on your Analytics data, and use this information to inform your promotional and content strategies. Pay attention to what posts and pages are proving the most popular. Inspect visitor data to see how, where and when your site traffic is coming from.
Basically, what I’m talking about here is finding websites that have mentioned your brand name but they haven’t actually linked to you. For example, someone may have mentioned my name in an article they wrote (“Matthew Barby did this…”) but they didn’t link to matthewbarby.com. By checking for websites like this you can find quick opportunities to get them to add a link.
If you check out some of the suggestions below this though, you're likely to find some opportunities. You can also plug in a few variations of the question to find some search volume; for example, I could search for "cup of java" instead of "what is the meaning of a cup of java" and I'll get a number of keyword opportunities that I can align to the question.
People love to learn, and webinars are an excellent way to impart your wisdom to your eagerly waiting audience. Combined with an effective social promotion campaign, webinars are a great way to increase traffic to your website. Send out an email a week or so ahead of time, as well as a “last chance to register” reminder the day before the webinar. Make sure to archive the presentation for later viewing, and promote your webinars widely through social media. If you're wondering how to do a webinar, click the link for some tips.