Unfortunately, content is never 100% evergreen. We must not forget that the world is constantly changing, and the Internet even more so. For example, if you're in the digital marketing industry, Google releases new algorithm updates every few months or at least once a year. Therefore, the post on "How to do SEO" will be outdated at some point and will need to be changed to keep the content relevant to your audience. But all you have to do is refresh the content every year, and it's not that time consuming anymore.
Here are the important aspects of your content that you should focus on to make it valuable and relevant to your visitors:
Statistics: If you provide any numbers to back up your information, check that the numbers are still correct and up to date.
Links: Check your links to know they are not broken. Not only your audience, but also Google takes this into account.
User Search Intent : Customers mobile number list search for specific topics according to their needs. This search need or intent may change. Therefore, you need to make sure that this content covers the needs of people who are searching for that keyword and repurpose the content.
Analyze your competitors: In case your competition is ahead of you, analyze its content to see what you can improve. It is always good to analyze your competition, especially those that are doing better than you
Generate ever-up-to-date content now and stay on top of Google!
To be clear, not all content has to be evergreen. Probably your readers also want to learn about new trends in your industry, stay up to date and know how it affects them. However, evergreen content is one of the most valuable resources you can generate for all its benefits, so it's definitely worth creating a solid hub of evergreen, sustainable content that will impress your audience and keep you always on top of your competition.