Christian Zimpel

This Plugin makes the Thumbnails clickable with any URL you want and open it in a new tab.
There will be new Field called “External URL” on the Product data. Just fill in any URL i.e. Affiliate URLs you want.

Thumbnail Link for Wooc

This Plugin makes the Thumbnails clickable with any URL you want. There is an Extra URL Field within the Product.

Tran Ngoc Tuan Anh

This plugin adds rel=”nofollow” to all external links in post content. So, your flow of PageRank can not run to other websites and your blog’s SEO is improved.
The internal links are unchanged.
Requires PHP5.

Thumbnail Link for Wooc vs External Nofollow