If you know nothing else about your website, know this!
You have a business. You have a website. You pay attention to your business, and have someone who takes care of the website for you. All is well.
Until… your site has a problem, and your web person is unavailable.
Sure, lots of WordPress developers can help, but they need access to your website.
Depending on the problem, they may need any or all of this information:
Your WordPress (site) login credentials
This is the username and password you use to write blog posts or update the content of your site.
Your Hosting Account login credentials
This is sometimes called cPanel login, and is the username and password for the company that hosts your site. (Siteground, WPEngine, GoDaddy, InMotion, etc)
Your Domain Registration login credentials
This might be on the same account where your site is hosted, but doesn’t have to be.
If you don’t have all of these (stored somewhere really safe and accessible), your issue could become much larger.
Do it Today!
Make sure you have all three login credentials. If your webmaster keeps track of this for you, ask them to send the credentials to you.
Your website is YOURS, and you need to make sure you can keep it safe.