In the graphic on the bottom its measured how many requests for programming languages on Stackoverflow were made. Python is rising rapidly because of AI-programming, javascript and Java stay relatively constant. Clearly falling are C# and PHP.
Here you can see the comparison of Javascript frameworks. Though the fields of application are different (Bootstrap and Angular for UI, jQuery for DOM and Ajax, React for DOM and data transfer), the popularity is still interesting
Here you can see a clear trend: WordPress is by far the biggest provider and outshines all the rest with more than 60% market share.
Today building up a webshop is easier than ever because of the link between CMS and online store extensions.