Answer:
When we add new services or products, it is then one should update SEO plan.
Explanation:
SEO or Search Engine Optimisation is the tool used by a web content maker to attract readers to his page. This tool is used to make ones web page appear in the search engine. This is done when the Search engines such as google, yahoo crawls our web page and look what type of content one writes or publishes on the page. It also search if the web page is user friendly or not.
To update the SEO plan, one should do it when he/she adds new services or products one the page. By updating SEO plan after adding new services and products, search engines will know of this new products and services and display accordingly when a reader searches on the search engine.
So, the correct answer would be when the web content creator add new services and products, SEO plan should be updated.
