Check out https://visualwebz.com/washington/seattle-seo-company/. We've covered the ins and outs when it comes to SEO techniques and strategies.

For example:

How to avoid common SEO mistakes?

We’ve encountered many websites where websites were not correctly built, or the work was done by inexperienced webmasters. For example, the biggest mistakes based on Google Webmasters:

Not making the website crawlable.
Having incorrect words and not including regular compelling content.
Avoiding incorrect titles and descriptions to effectively display search snippets.
Not using webmaster tools and lack of research.
Getting stuck with SEO trends.
Not being aware of Rich Snippets.