Yes, you have picked an interesting topic right there. There are several things you can do to avoid it.

You should consult your developer to get these fixed. It is important to fix them for SEO. A website with 404 not found errors loss attention of Google and search engines...

If possible, use other domain. Why to take any risk!

This duplicate content is not harmful in terms of SEO. Keep some unique content too on the pages besides the duplicate content.

If a better content is available on the page for a search query then Google will ignore showing the meta description value in the SERP. How you can avoid it is, make your...

If those ad-content are relevant to your website then it will be regarded as not-bad-links. The page with lesser number of outgoing links is regarded good for link juice....

In WordPress setting you can configure the tag pages for a 'no index'. In search console you can request for a review, the errors will vanish.

Setting Up an RSS Feed Open your web browser and go to FetchRSS.com. Register for a free account. Click on “manual RSS builder” Enter the URL of your website. Select the...

The key phrases, On-page seo eCommerce seo Two type of users can make searches with above keywords. One, who are trying to know what are these and the other type of use...

Off-page SEO has not been applied yet. Please do the needful to succeed in search engine listings.