Here are some blog posts about IELTS that might help you prepare for the test:
When should I take my IELTS test?
How long does it take to increase my IELTS score?
Should I apply for a remark of my IELTS test?
How to Use IELTS Listening Texts
How to Use IELTS Reading Texts
How to Use Sample IELTS Writing Answers
Why you should use official materials to prepare for the IELTS exam
High quality input for advanced learners to help prepare for the IELTS exam