For seo, friendship links are a very important part. Let's talk about what friendship links are. Friendship links are also known as website exchange links, reciprocal links, exchange links, alliance links, etc. It is a simple form of cooperation between websites with certain complementary advantages in resources, that is, place the LOGO picture or website name of the other website on your own website, and set up hyperlinks to the other website (After clicking, switch or pop up another new page), allowing users to discover their own websites from partner websites to achieve the purpose of mutual promotion, so it is often used as a basic means of website promotion. There are many ways to change friendship links. There are many ways to change friendship links. There are many QQ groups, friendship link platforms, and online. I won't say much here. It's a waste of time. I will mainly talk about the 5 ways to deceive friendship links.
1. The first link in<a rel='nofollow' href='#'>the seo forum was that</a>nofollow was added to the link. A few days ago, my master and I changed links and added nofollow unethically.
2. Friendship link realized by the second js
3.<iframe src='a.html'></iframe><frame>Friendship link realized by the second iframe
4. <meta name="ROBOTS" content="noINDEX, noFOLLOW">robots and nofollow
5. robots.txt disallow:/friend/flink.html robots are blocked
The first type plus nofollow is the most common. For more highlights, please visit www.zolfox.com/