Importace of Pictures in a blog post

Picture plays a thousand words, this is a Chinese Proverb and this is really true. In case of a blogger post also, picture paints thousand words. Picture plays a great role in blog and websites and how I am going to discuss this here.

Listing the importance

First and crucial importance of placing picture in a blog is that it makes you blog look beautiful and attractive and as a result it make a good impression on your blog in your reader's mind.
Other important reason is that it helps to bring you some unique traffic. This is because there are many people in the globe who are searching for images. May be if they search in Yahoo image search or in Google image search, you can get some visitors come to your blog using image search.
Additionally one hidden importance is that placing an image with optimized alternative tag helps optimize your blog post. If you keep the alternate tage(alt tag for image) same as the name of the blog post then your blog post is optimized in an additional way for the title of your blog post.

What is Dofollow Commenting and know dofollow sites

Dofollow commenting means commenting and leaving a link of your blog in a site that offers a dofollow link. If you are leaving a backlink through comment in context for SEO then you must first know that the link you comment on must be dofollow.

What Does Dofollow and Nofollow mean

Dofollow means that Google provides you advantage when you link to someone's blog or site. If you link in a site which has nofollow relation in the link then you get no advantage in context of search Engine Optimisation.
Dofollow means search eagine will crawl your link where as nofollow means it doesnot.

How to know a site's Link is Dofollow or Nofollow

It is very easy to know if a siteis ddofollow or nofollow and if you are benefited when you leave a link or not. Simply in the blog post view the page source of the page(In chrome Right click and View page source). Then if you find in hyperlinks rel="nofollow" attribute then there is no use of leaving comments while by default the links are dofollow.