Here you will find links to websites with information and advice on improving your writing.
This is a great site for everyone wishing to improve their writing. It has resources for ESL students as well as specific advice for writing in the various areas such as history, journalism and literature. Highly recommended.
Writing advice activities, as well as lots of useful links to other writing resources. From EnglishClub, which has much more of interest on its site for English learners.
On this site you can practise your writing about various topics and get feedback on it. The site is It is "provided in association with Cambridge English (part of the University of Cambridge)".
This is a useful video on how to write a good introduction for the IELTS and TOEFL writing task. It has links to video advice on other aspects of writing an essay.
On this IST IST = International School Tutors site there are various quizzes to practise and test various aspects of your writing skills.