A CMS helps you write and upload content, and add images, meta descriptions, headlines, and other SEO features. In an ever evolving digital marketing space, CMS software makes it easy to offer superior customer experiences.
In addition to HTML, other markup languages support the use of CSS including XHTML, plain XML, SVG, and XUL.
Web browsers receive HTML documents from a web server or from local storage and render the documents into multimedia web pages. HTML describes the structure of a web page semantically and originally included cues for the appearance of the document.
The PHP language evolved without a written formal specification or standard until 2014, with the original implementation acting as the de facto standard which other implementations aimed to follow. Since 2014, work has gone on to create a formal PHP specification.