The best way to adjust the Meta_Title and description tags on your website vary from the Content Management System (CMS).
Our tool provides you with a list of URLs having issues regarding the title and descriptions tags. Either those are duplicates, too long, too short or missing.
You can simply adjust those issues within your CMS. (e.g. WordPress, typo3 or shop ware). For instance, WordPress offers a field where the title and description tag can be adjusted on each page. Or you install the YOAST Plugin so you can edit it all at once. ( meta title, description. og, facebook and twitter preview)
learn why it's so important to fix your Meta_Title and Meta_Description tags
change your https://en.support.wordpress.com/settings/general-settings title in WordPress
Yoast Guide to a good Meta Description: https://yoast.com/meta-descriptions/
Here is a link about Common SEO Mistakes and How You Can Fix Them.