Moonsy - You can check your PA, DA age of your domain PR, AR, No of links and domain IP etc.
Alexa - Alexa traffic ranking measures the popularity of your blog or website and also shows the no. of visitors as well as page views.
Google Keyword Planner - It shows the competition of different keywords gives you all the relevant details regarding it's searches.
Opensite Explorer - It will help to check out DA, PA and all about media shares.
XML Sitemap - It helps to search engine to crawl easily and index all the pages and the websites.
Google page speed insight - It tells about the speed of any particular website and also give the page rank quickly.
SEO Quake Tool - It provides all the information about your blog and website.
Small SEO Tool - Keyword position density, no. of links Plagiarism, PA, DA, Page speed, and AR of your website
Google analytics - You can easily judge the no of visitors and time which they spent on your website and blog
Webmaster Tool - This is the best tool for getting the information about your website like links traffics page views etc