LinkWhen it comes to SEO copywriting, it is important to understand SEO basics such as the effect of headings, bold characters, anchor text and various SEO techniques but as search engines keep improving their algorithm, keyword research, semantics and style have become more important than ever for the SEO professional.

Online competition is now so strong that old-fashioned “on-page” SEO techniques are not enough. Link building is an important part of the optimization puzzle but finding niche keywords with a good ratio of traffic potential vs. competition can sometimes make the difference between high search engine rankings and web pages lost in the crowd.

Once on your website, not only your visitors (and search engines) are looking for good and unique content but your vocabulary, style and use of semantics can play a big role in having them coming back.

A few days ago I published a list of my top 10 free keyword tools. Today, I will focus on free online SEO copywriting tools and resources that can help you write content with more style and vocabulary.

1. Readability Test
The Readability Test from Juicy Studio is a nice little tool for analyzing the readability of your content and making sure your visitors understand your language.

2. Textalyser
Textalyser is a text analysis tool providing reports on readability, lexical density and frequency.

3. Rhymer
Find rhyming words online with Rhymer, a free rhyming dictionary from WriteExpress.

4. Google Docs
Google Docs is a free Web-based word processor and spreadsheet including a U.S. English dictionary, thesaurus and encyclopaedia.

5. Farlex Encyclopedia
The Farlex Encyclopedia is great tool for finding acronyms. Simply search for a term and it will return a fully detailed page about your term and its corresponding acronym.

6. Synonym.com
Find synonyms with this great free online thesaurus.

7. Copywriters Board
Copywriters Board is a great forum for people to discuss about copywriting.

8. Copyblogger
Great blog about copywriting for the SEO copywriter looking for tips on how to write good headlines, landing pages and more.