Today we begin a mammoth task in presenting to you a breakdown of every single ranking signal Google uses to determine where your site and its content appears in search results pages SERPs .

But we will do our best to be as up-to-date and accurate as possible.

Future instalments will specifically cover content, links, machine learning, site-wide factors, domain factors, mobile, speed, local, social… phew, let s not get ahead of ourselves.

On-page factors: 1 – 10

As I ve already discussed in our guide to writing title tags, these are used to tell search engines and visitors what your webpage is about in the most concise and accurate way possible.

According to Moz, title tags have long been considered one of the most important on-page SEO elements.

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