Twitter cards are social meta tags that are used for Twitter.
Once Twitter Cards are used in your website & It presents your website brand on Twitter in a more engaging way, By adding Twitter display rich content(including a page summary and image) in simple HTML snippet to the <head> section of your page & allow your website readers to share your posts or pages on the social network.
Twitter Card meta tags are in the format twitter:tagname
Meta Tags are snippets of code that having all information about your website page & inform to the search engines (Google, Bing, Yahoo) about important information of your web page, such as how they should display it in search results of search engines(Google, Bing, Yahoo). Each website page is a set of Meta Tags and as HTML code format.
How To Get Meta Tags details of website by seoenquiry.com
This is World leading Meta Tags Analyzer free tool & display results as each Meta Tags information [meta title, meta description, meta viewport etc.] about your website page in few seconds
Once Magento 2.x Store / Website running either single store or multiple store, sometimes required to know which Magento 2.x version With Edition [Community / Enterprise / Commerce Cloud ] without following below activity as below
Without Admin Login
Without Code Check, Composer.json
Without SSH/CLI Command
Solution:: The following below Free Magento 2.x Website Checker Tool worldwide leading tool must be use.
There are following below steps need to follow to Upgrade Magento version 2.3.x To Magento version 2.4.x for Enterprise-Edition / Commerce Cloud Edition
[1] – Take Project files & database backup
[2] – Install PHP 7.4, Mysql 5.7, Magento 2.4 also supports Mysql 8.0