Tell people what you sale.
I will help you to How to sale.
Technically Web development is a process of developing a website for your services and business OR promoting yourself.
Once your website is developed using above mentioned technologies. You will have to publish it to some computer which is running 24 hours. It is called a server. You need to purchase hosting and domain(the name of your website that people will use to type into their browser to open your website). This will complete the process of web development.
Checkout web development services that I offer :
Joomla! short as J!, is a open-source and free (CMS) content management system for creating websites. Websites like forums, photo galleries, e-Commerce and user communities and numerous other web-based applications can be developed in Joomla. Joomla is developed by a community of volunteers supported with the legal, organisational and financial resources of Open Source Matters, Inc.
Joomla is written in PHP, and stores data in a MySQL database. It has a software dependency on the Symfony PHP framework. Joomla includes features such as page caching, RSS feeds, blogs, search, and support for language internationalisation. It is built on a model–view–controller web application framework that can be used independently of the CMS.
Thousands of free and paid extensions are available from the Joomla extensions website, to extend Joomla according to your needs. As of 2021, it was estimated to be the third most used CMS on the Internet.
PHP is a server scripting language and a powerful tool for making dynamic and interactive Web pages. PHP is a widely-used, free, and efficient alternative to competitors such as Microsoft's ASP.
Wordpress is well known popular blogger. Which is especially designed for blogging type website. So it is great for such websites. But now a days, due to its popularity. It has huge number of plugins which made it popular and more extensible. Now you can even develop professional website using Wordpres. But not recommended. For CMS level I will recommend to go Joomla.