SEO Tools Centre provides SEO checker services for websites. Here you will find different types of free SEO tools: plagiarism checker, broken links analyzer and much more for free.
iThenticate - Prevent Plagiarism in Published Works
Moz - Backed by industry-leading data and the largest community of SEOs on the planet, Moz builds tools that make inbound marketing easy.
Unicheck - The plagiarism checker Unplag scans across the internet, repositories, open sources content and databases. It delivers real-time results and has no cached data.
SEO PowerSuite - Get all SEO tools in one pack - download free edition of SEO PowerSuite and get top 10 rankings for your site on Google and other search engines!
Plagramme - Our plagiarism checker recognizes paraphrased plagiarism, checks your paper against more that 14 trillion documents and lets you to edit your paper online.
SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.