what is reciprocal link and what are the uses and methods of it ? and does it have any importance in gaining back links ?
In return of back link which you are getting for your site, you have to provide the link for the same.
Because they want to spam DP with pointless posts to up their post count. For people wanting to be in the web business, they sure don't know how to use it properly.
A reciprocal link is conformity among two webmaster to give a hyperlink inside their website to any other's site. It can also help to boost traffic to your site in two ways. First you will possibly have a number of viewers visit your website from clicking the reciprocal link honestly.
Such links are exchanged by each of two or more parties links between two sites, which are exchanged on the basis of an agreement between the website owners.
I'm not a fan personally, don't want to clutter my website with too many links! Prefer organic link-building methods instead
No benefits. The links will hold little to no value as it will be blatantly clear to Google that it's a link scheme.
In simple words, a reciprocal link is a two-way link, i.e. a link to your site from an external source and a link from your site back to the external source.
A reciprocal link is a mutual link between two objects, commonly between two websites to ensure mutual traffic.
It's some thing like a link exchange. Where we need to place a link of other website in our website to get our website/page link placed in their website/page.
Looks like it, mate. The thing is, they shot themselves in the foot. Even though they aren't live links, Google can read they are domain names and know they are wanting to be involved in link schemes. So smart of the poster.