There are numerous ways to increase traffic from Google other than the tedious job of link building.
Improving user satisfaction: You can improve your Google rankings by improving the onsite experience of your visitors. Google likely measures satisfaction as users click on search results. “… Google could see how satisfied users were. … The best sign of their contentment was the “long click” – this occurred when someone went to a search result, ideally the top one, and did not return.”
Rich snippets from structured data: Google continuously expands the types of rich snippets it shows in search results, including events, videos, songs and breadcrumbs.
Video optimization: According to studies Pixel for pixel, video snippets capture more search real estate than any other type of rich snippet, even more than authorship photos. Pixel, video snippets has more power to attract a user’s attention. Unlike author photos, video snippets are often easier to display and don’t require connecting a Google+ account.
Google authorship: Unlike the common belief that a coveted author photo in Google search results doesn’t assure more clicks, but using the right photo could aid your click-through rate in many results.
What counts to a good author photo: Use a real face instead of a company logo or cartoon. Use high contrast colors and the target the audience. On implementing correct authorship, you might find yourself in the 20% of all search results that takes author photos into consideration.
Improve site speed: A website with a good speed improves visitor satisfaction but it may also have a direct influence on your search rankings. In fact, Google has confirmed that website speed is one of the few ranking factors.
Smartphone SEO: Configure your website well for smartphones else it would probably result in lower Google search results for mobile queries. Google confirms that Smartphone errors could possibly result in lower mobile rankings.
Social annotations with Google+: When you share content on Twitter and Facebook, your network basically sees it only when they are looking at Facebook and Twitter.
On the other hand, when you share content on Google+, your network can see it every time they search Google.
Updating fresh content: Websites that cease to earn new links often lose ground in Google search results. At the same time, sites that never add fresh content or let their pages go stale can also fall out of favor.
Snippet optimization: This is nothing but optimization of basic Meta tag and title tag. During the last two years, Google has altered the maximum length of title tags so that it no longer depends on the number of characters, but on the number of pixels used.
Google has also updated its rule on Meta descriptions, further clarifying that reproduction of Meta descriptions are not advisable.
Ongoing on-page SEO: Issues such as indexing, crawling, canonicalization, duplicate content, site architecture, keyword research, internal linking, image optimization and 1,000 other things can move ranking mountains.