SEO-friendly article writing is a crucial aspect of online marketing, as it helps businesses to improve their visibility on search engines and attract potential customers. 

A good SEO article should be informative, engaging, and optimized for search engines, so that it can rank higher on search engine results pages (SERPs). 

To achieve this, a service description for SEO-friendly article writing should include the following:

Keyword research: This involves identifying the relevant keywords and phrases that users are searching for on search engines. The writer should research and select appropriate keywords to use in the article, to ensure it is optimized for search engines.

Content creation: The writer should create informative and engaging content that is relevant to the target audience. The content should be unique, free of plagiarism, and formatted in a way that is easy to read and understand.

On-page optimization: The writer should optimize the article for on-page factors, such as the title, meta description, and header tags, to ensure it is properly structured and indexed by search engines.

Link building: The writer should include relevant internal and external links within the article, to help users navigate the website and improve its authority and credibility.

Social media promotion: The writer should also promote the article on social media platforms, to increase its visibility and reach a wider audience.

Overall, a good service description for SEO-friendly article writing should emphasize the importance of high-quality content that is optimized for search engines, as well as the need for ongoing promotion and link building activities. By following these best practices, businesses can improve their online visibility, attract more traffic to their website, and ultimately drive more conversions and sales.