Directory Submission Small mistakes we often make

We often come through many problems during Directory submissions and submission of all the websites and to see if the Directory are accepted and rejected on the Websites. We always do that. The Panda and Penguin Updates are very much likely affect your submission and your Submission Rates.
The things that matters about rejection in the directories are listed below.
If you can do this in a stepwise manner. You will Definitely increase your submission Rate and Approval rate for the website.

1) Your website must be easily crawled by web spider. Not Blocked by robots.txt and other validations. Check to see if this problem exists. Some directories focus on Websites That are easily Created and crawled by Google

2)Some sites might not take slang words. So be careful choosing your words.
3)Submitting Sites to thousands of directories a day is bad. Mix your keywords, Titles, Deeper links to ensure better Optimization.

3)Submit your website in right category. Like the category pertaining particular type of business like Intellectual Property or patent related website in  Business>Intellectual Property  or Society>Law   is good.
for the perfect Listings.

4)Duplicate Descriptions and Diversity in anchor texts are a Big Issue.

5)Utilize your old database and build more effective listings by going with Green Links (approved), Proven Directories. Analyzing PR of the pages and categories you are linking to.

These are the important parts in submission of websites to web directories.