moz.com/google-algorithm-change

View the complete Google Algorithm Change History as compiled by the staff of Moz. Includes important updates like Google Panda, Penguin, and more.

trendsmap.com

Twitter trends mapped. Visualize topics trending globally, nationally, and in your city. See the top news stories, videos, and images for trends occuring anywhere in the world.

searchenginewatch.com/sew/opinion/2303494/21-best-free-seo-t...

To reach the top of the SERPs and stay there, your website must deserve to be there. It needs to be the best in class. It must offer the best user experience in that niche. Fortunately, a number of free tools can help you achieve that goal.

www.minterest.org/free-seo-tools-onpage-offpage-analysis/

Top 25 Free Online SEO Tools for On-Page and Off-Page SEO Analysis. Review of Best Google Search Engine Optimization Tools.

www.free-web-submission.co.uk/Scripts/sitemap/

Free Online XML Sitemap Generator

serps.com/tools/

• Free Keyword Rank Checker - Spot check global and local rankings. Finally a simple keyword rank checker that works. Easily check keywords in any country or location in Google or Yahoo. See where your site ranks through the top 2 ...
  Category:SERP (Search Engine Ranking Page) / Ranking
  Visited631

www.google.com/webmasters/tools/richsnippets

Check if your authorship markup is correct. Works for all structured data types now (Reviews, Places, Offers, Events, etc)

microdatagenerator.org

Great little tool for generating schema.org tags for a local business. Just fill out a few forms and copy/paste the HTML. Easy to use Microdata Generator for adding Schema.org tags to your site.

www.thundermailer.com/google-disavow-links-generator/

The cool thing about our Google Disavow Links Generator is that it allows you to filter out the links that you want to disavow, before you submit to Google. This little program is a good companion to Google’s Disavow Links Tool. All you need to d ...

freetools.webmasterworld.com

The official collection of search, social, PPC and webmaster tools at Webmaster World. Provide your feedback! Analyze your site with our free SEO tools: from Meta descriptions and keywords, to page speed and link checks, these online tools can be a sol ...

www.google.com/webmasters/tools/mobile-friendly/

This test will analyze a URL and report if the page has a mobile-friendly design.

prosper.tracking202.com/apps/

Prosper202 provides top digital marketers with leading edge on-premise marketing dashboard and attribution tool for tracking, optimizing and scaling out digital marketing campaigns of all sizes! Join the tens of thousands of marketers already benefitin ...

www.seocert.net

SEO tool to review website, check website against ranking factors, generate detailed Search Engine Optimization report and help website to have a higher rank in search engines

• SEOCert Website Analyzer - Diagnose SEO Perf ...
  Category:Meta Tags / Title Tag
  Visited99

www.tutorialspoint.com/seo_tools.htm

A collection of SEO and Web Developer Tools

www.spryspell.com

SprySpell will let you quickly and easily check the spelling of any web-page on the internet. To perform the spell checking you need only to know the address of the web-page you wish to check (for example: "www.spryspell.com"). Type (or paste) the addr ...

www.markething.me

Markething.Me is free and totally awesome Internet Marketing, SEO and Social Media tool, which will help you promote anything on the web.

Our uniquely designed marketing system will provide you with top notch features which will help you to suc ...

validator.w3.org

This validator checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc. If you wish to validate specific content such as ...

w3c.github.io/developers/tools/

Developer Tools from W3C Developers

www.trafficestimate.com

TrafficEstimate.com has been estimating website traffic since 2004. We strive to provide useful information for website owners, buyers, competitors and anyone else looking for estimated visitor quantities and web analytics. Search for any site or domai ...

www.webceo.com

WebCEO is a cloud-based SEO solution for website owners, digital marketing agencies and in-house SEO teams. Web CEO provides white-label SEO tools for team collaboration and branded SEO reporting for clients. 15 Internet Marketing Tools with Branded Re ...