Useful Web Sites

IELTS Preparation

Official Site:

https://www.ielts.org

British Council
http://takeielts.britishcouncil.org

Independent Sites, not Affiliated with the IELTS Organization or British Council:
http://www.ielts-mentor.com

http://www.ielts-exam.net

Headway Online Site

http://elt.oup.com/student/headway/

Weaving It Together ELT Resources

http://ngl.cengage.com/access/elt/

Differences Between American and British English

http://esl.about.com/od/toeflieltscambridge/a/dif_ambrit.htm

http://en.wikipedia.org/wiki/Comparison_of_American_and_British_English

American English

VOA:
http://learningenglish.voanews.com

Great site for Advanced Students:
https://owl.english.purdue.edu/owl/

British English

British Council:
http://learnenglish.britishcouncil.org/en/
https://learnenglish.britishcouncil.org/en/english-grammar

General English Learning Sites

http://www.grammar-monster.com

http://www.grammar-quizzes.com

http://www.englisch-hilfen.de/en/

http://www.englishpage.com/index.html 


https://learnenglish.britishcouncil.org/en/english-grammar

http://learningenglish.voanews.com
http://learningenglish.voanews.com/archive/everyday-grammar/2/4456/4456.html
http://learningenglish.voanews.com/archive/everyday-grammar/latest/4456/4456.html

Dictionaries

Cambridge Dictionaries:
http://dictionary.cambridge.org

Oxford Dictionaries:

https://www.oxforddictionaries.com/

Thesaurus:
http://www.thesaurus.com

Differences Between IELTS and TOEFL

http://ukielts.blogspot.com/2011/08/difference-between-ielts-and-toefl.html
http://www.answers.com/Q/What_is_the_difference_between_TOEFL_and_IELTS

Corpus Linguistics and Corpora Web Sites

A separate post has been published discussing how to use these corpora in more detail.

BYU-BNC
http://corpus.byu.edu/bnc/

BYU-COCA
http://corpus.byu.edu/coca/

MICASE
http://quod.lib.umich.edu/cgi/c/corpus/corpus?c=micase;page=simple

MICUSP
http://micusp.elicorpora.info/

Phonetics Tools

http://www.teachingenglish.org.uk/article/phonemic-chart