Lets face it, SEO is a time-consuming task. It’s difficult to manually complete all of the research you’ll need to properly optimize your website, so how can you streamline your process, without sacrificing money or quality? We have a list here of 15 of our favorite SEO audit tools that are completely free. From keyword research to website analytics, there’s a tool here for just about everything.

Screaming Frog – Screaming Frog is a handy site crawler that will analyze up to 500 URLs in a single crawl for free, or as many as you like for £99 a year. You can locally install this tool to your personal computer, and it comes with tons of features and customizations.

RankTank.org – Rank Tank is a collection of DIY, Pre-built and free SEO tools. Most of which are designed to be used in Google Drive making it super easy to collaborate with clients or colleagues.

Google Keyword Planner – Google offers this comprehensive keyword research tool for free. It allows you to search for new keyword ideas, shows you how potential keywords may perform, and PPC estimates as well.

Mozbar (Chrome and Firefox Extension) – A convenient way to speed up your SEO process, Mozbar is a toolbar that you can download to your browser – either Chrome or Firefox – that allows you to see important SEO metrics for any website, like domain authority, page authority and social shares right at the top of your screen.

SEO Powersuite – An awesome tool that combines a ton of SEO analytics into one program, SEO Powersuite has rank monitoring, link analysis, keyword research and many more capabilities, all in one tool.

Google Pagespeed Insights – Another free tool from Google, Pagespeed Insights provides you with tools and data to help you improve your page speed. Remember that your page speed has a big impact on your rankings and user experience, which is why this tool is so important.

Schema Creator – While everyone loves Schema.org, it can be a bit confusing to jump right into, if you’re not comfortable with all of the microdata. So, Schema Creator simplifies that task and makes it more manageable.

Yoast WordPress SEO Plugin (for wordpress websites) – We’ve talked about this plugin before, because we love it. If you use WordPress, the Yoast plugin allows you to optimize your site and page content for SEO by editing page titles, meta descriptions and other important components.

Majestic SEO – This tool uses crawling technology in combination with link analysis for some helpful link research.

SEMrush – A highly comprehensive SEO tool, SEMrush is fantastic at keyword research. They make use of both paid and organic data, so you get very complete results, in addition to their multiple other services.

Whitespark Local Citation Finder – This is a great way to optimize your local search rankings, an important part of SEO. Whitespark will give you citation suggestions as to where you should list for better results.

Annielytics Site Audit Checklist – Really convenient for those stressful audits, this checklist clearly outlines and explains the tedious but necessary parts of your audit. A user-oriented guide that ensures you’ve done everything you were supposed to.

Webmaster Tools (Google/Bing) – Both Bing and Google have their own versions of toolkits for webmasters. You’ll be able to find things like crawl errors, inbound links and much more.

Woorank – A helpful way to see how you’re doing in terms of SEO, Woorank will review your website, and then provide analytics and suggestions to improve rankings and online visibility.

Google Trends – If you’re doing any kind of keyword research, Google Trends is a must-have. This tool shows what’s trending in Google search results, how a keyword has performed in the past and the forecasted trend of that keyword, and you can see the history and popularity of keyword searches as well.

2016 SEO checklist