This is a post we've invited from a digital marketing specialist who has agreed to share their expertise, opinions and case studies. Their details are given at the end of the article. Add this video to your website by copying the code below. Learn more I was checking the Bing reports today and it showed error for some 40 pages having duplicate titles. The same error does not appear for Ahrefs, screaming frog or anywhere else. When checking the code it appears to be from the