Other cryptic crossword websites
There are lots of cryptic crossword sites on the internet, and a selection are referenced in the relevant articles within this site's Resources section.
This article features three further site that provide a broad range of information about the world of the cryptic crossword:
Wikipedia
The Wikipedia article on cryptic crosswords covers a wide range of topics, including a potted history of the cryptic crossword, a list of publications that feature cryptic puzzles in the UK and elsewhere, and a table of setters who submit to more than one UK newspaper.
Best for Puzzles
The Best for Puzzles site offers a wide range of content relating to cryptic puzzles. It's easy to find your way around, and the information is presented simply and clearly. As well as a Daily Easy Cryptic Crossword there is a Crossword Info section which includes a Cryptic Crossword Dictionary and a Who's Who in British crosswords.
Crossword Unclued
This site is managed by Shuchismita Upadhyay, who is an experienced cryptic crossword blogger. The site has a wealth of content and benefits from Shuchi's presentation skills – the content is attractively laid out with new material being added regularly, giving the site a magazine feel.
Much of the content is detailed guidance on aspects of clue construction and solving, pitched at a level that will be suitable for improvers, and there is plenty of supporting material on a wide range of aspects, including interviews with setters.