First run a website speed test analysis at https://tools.pingdom.com. Install a Cache Plugin - If you use WordPress, you can do this by installing a caching plugin like W3 Total Cache. With more than one million active installs and a 4.5 star rating, this is one of the most trusted caching plugins.
HTTPS is a must for every website nowadays: Users are looking for the padlock when providing their details; Chrome and Firefox explicitly mark websites that provide forms on pages without HTTPS as being non-secure; it is an SEO ranking factor; and it has a serious impact on privacy in general.
Twenty-Five Hundred years ago, Sun Tzu wrote this classic book of military strategy based on Chinese warfare and military thought. In 2009 Matt Cutts, Head of SEO at Google gave an SEO Wordpress Seminar. What does that have to do with website development? Case in point. Both have stood the test of time and have relevancy to this very day and time. His seminar, aptly titled “Straight from Google: What You Need to Know.”, although given 12 years ago, hold true to this day.