Redesign old website
It is the facts, that mobile friendly webpage are getting higher ranked in Google than NOT mobile friendly web pages. If You have an old web page and not mobile friendly, You will never showing up on Googles first page with Your own web page.
Increasing Your Google Ranking
By having a modern new designed website, with all SEO technical aspects in it, Your website will be ranked higher in the future than other websites.
Secure Website – Get Trusted
Having a non secure website, such as http://www.example.com will get “lost” in Google Search Results. It will also get a kind of lost trust to customers.
Better having the website secure with an ssl certificate, as example https://www.example.com .