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introducing stack overflow trends stack overflow blog loading everything productivity ai ml open source business hub company releases podcast newsletter stack overflow business stack internal the knowledge intelligence layer that powers enterprise ai stack data licensing decades of verified technical knowledge to boost ai performance and trust stack ads engage developers where it matters in their daily workflow may 9 2017 introducing stack overflow trends update march 2026 tag trends has been retired you can still access the data using our data explorer see this example query on a typical day developers ask over 8 000 questions on stack overflow about programming problems they run into in their work which technologies are they asking about and how has that changed over time today we re introducing the stack overflow trends tool to track interest in programming languages and technologies based on the number of stack overflow questions asked per month for example we could compare the relative usage of three programming languages here we can see that questions about the python programming language have become rapidly more common over the last few years in data from stack overflow talent we ve seen the same expansion in companies looking for python developers php was growing for several years but has since leveled off perl was never as big a presence on stack overflow and questions about it have become steadily less common in the last 9 years measuring developer interest based on stack overflow questions isn t perfect some technologies might inspire more questions among its users than others but we ve found it s a simple measure that gives useful insights into the developer ecosystem it s especially useful for measuring changes over time when we see a rapid growth in the number of questions about a technology it usually reflects a real change in what developers are using and learning here we ll share a few examples of insights we can extract from the stack overflow trends tool javascript frameworks javascript open source web frameworks show some of the most interesting patterns of growth and decline jquery used to be among the most popular tags on stack overflow as some have humorously observed but it has made up a smaller share of questions as newer web frameworks have been introduced there s been extraordinary growth of the angularjs tag representing the first version of the framework since 2013 then a quick shift to the angular tag representing subsequent versions we also see fast growth in the react library these tags are among the most prominent javascript projects on the site smaller web frameworks show a brutal life cycle where some show rapid growth then decline over the span of a few years the vue js framework have shown quick adoption and in terms of year over year growth is one of the fastest growing tags on the site frameworks like backbone js ember js and more recently meteor appear to be in the later stages of the life cycle overall front end web development has largely been moving away from closed source plugins including adobe flash or the now deprecated microsoft silverlight in 2016 these each made up less than 1 of stack overflow questions data science and big data technologies used for data science have shown particularly rapid growth over the last few years the r statistical programming language has shown consistent growth as has pandas a popular library for data science in python the closed source matlab language was growing for most of the lifetime of the site but has more recently leveled off and may be shrinking tensorflow google s open source machine learning framework was introduced only in late 2015 but it s been growing at an extraordinary pace among the 500 largest tags only swift3 has shown faster growth in the last year similarly there s been expansion of interest in big data frameworks we can compare several major apache open source projects for storing and processing large datasets hadoop has grown since 2009 and so more recently has hive a query system built on top of hadoop interest in cassandra has remained steady for several years but spark shows the fastest surge of adoption becoming the most asked about technology just a few years after its introduction try it yourself don t see your favorite language technology or framework in this post use the stack overflow trends tool to create your own graphs and see what you can learn about how the developer ecosystem is changing and where it might be going in the future author s david robinson data scientist former staff announcements company engineering insights recent articles april 15 2026 human input needed take our survey on ai agents april 15 2026 why ai hasn t replaced human expertise and what that means for your saas stack april 9 2026 gen z needs a knowledge base and so do you april 2 2026 what the ai trust gap means for enterprise saas latest podcast april 17 2026 no country left behind with sovereign ai add to the 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