Marie Pireddu, Tuesday 26 November 2019What is SEO? SEO stands for Search Engine Optimization, which is the practice of increasing the quantity and quality of traffic to your website through organic search engine results. Simply put, it’s increasing the likelihood to drive more unpaid traffic from search engines, which results in attracting visitors who are genuinely interested in the products your offer Having good or favorable SEO means that your Progressive Web App comes up as one of the first results returned by the search engines when someone types the keywords you're aiming to be positioned around. How does it work? When search engines turn up results, they are based on 2 elements : - Indexing - Algorithms To make up their index, search engines use indexation robots. These robots (bots) browse the web and collect information about the websites visited (content, links, activity, etc.). Information saved in the index is then used by algorithms. For each request, they calculate and return the list of the most pertinent sites. There are many settings taken into account in judging the level of pertinence. Certain ones are of a technical nature, others are editorial, and some are related to various links that link sites together. When optimizing SEO for your Progressive Web App, there are 3 aspects to consider : technical, editorial and link building