Are you planning to get a new website design or some redesigning? If so here is something that you cannot afford to ignore. To begin with is to define the site purpose and to keep your target audience informed. Ensure your navigation, design, and content has a purpose aligning with your goals and audiences interest.
There is a need for your website to be mobile-friendly as now the users are increasing with every year and most of them do majority of their works being mobile-friendly. You can have the latest algorithm only if your site is mobile-friendly, if not you will get lower search results.