What do you think about link exchange ? If you say that link exchange can increase your blog pagerank, I agree with you. But, not all of blogs have high quality performance to be linked in your blog, because I often see many blogs are worked by lazy working. I ever did wrong way in blogging by too high dream but i did it with lazy, so some my blogs just have one or two posting in more than 3 or 4 months. The blog like this is bad to be link exchanged with your blog.
So, what are indicators of beautiful blogs that will be link exchanged with your blog ?
1. Daily updated and their pages are indexed in google search engine,
2. Your link is put in main page so your link will be linked in every your partner's blog pages,
3. Older is better. If your partner's blog is too young like me, you will get few backlinks.
4. Has high quality pages such as every page has high pagerank.
They are four indicators to evaluate your partner's blog to link exchange, may be you have different thinking or opinion with me ? Let's discuss. Thanks