Since the early 2000s, browsers have greatly expanded their [[HTML]], [[CSS]], [[JavaScript]], and [[multimedia]] capabilities. One reason has been to enable more sophisticated websites, such as [[Web application|web apps]]. Another factor is the significant increase of [[broadband]] connectivity in [[List of sovereign states by number of broadband Internet subscriptions|many parts]] of the world, enabling people to access data-intensive content, such as [[Streaming media|streaming]] [[high-definition video|HD video]] on [[YouTube]], that was not possible during the era of [[Dial-up Internet access|dial-up modems]].<ref>{{cite web |title=Dial-Up Internet Today: Understanding Its Lasting Influence |url=https://simeononsecurity.com/articles/modem-magic_-how-dial-up-internet-works-and-its-legacy-today/ |website=SimeonOnSecurity |access-date=21 February 2024}}</ref>
InStarting 2025in the mid-2020s, browsers with integrated [[artificial intelligence]] (AI) capabilities, debutedknown fromas several[[AI companiesbrowser]]s, includinghave become increasingly common. This includes both new entrants to the browser market and established browsers that added AI features, such as Chrome with the [[OperaGemini Neon(chatbot)|OperaGemini]] and [[Perplexity AI#Comet|Perplexitychatbot]].Theseand areEdge calledwith the [[AIMicrosoft browserCopilot|Copilot]]s chatbot.<ref>{{cite web |titlelast1=AILoic web|first1=Lando browsers|date=26 explained:January From2024 Perplexity|title=AI CometBrowsers toAre ChatGPTHere, shoppingand |date=22These JulyAre 2025the 5 Best Options |url=https://www.business-standardmakeuseof.com/technology/techbest-news/ai-web-browsers-explained-from-perplexity-comet-to-chatgpt-shopping-125072200261_1.html/ |publisherwebsite=BusinessMake Use StandardOf |access-date=24 July 2025}}</ref><ref>{{cite web |last1=Caswell |first1=Amanda |title=The rise of AI browsers is shaking up the web — here’s why it matters |date=18 July 2025 |url=https://www.tomsguide.com/ai/the-rise-of-ai-browsers-is-shaking-up-the-web-heres-why-it-matters |publisherwebsite=Tom's Guide |access-date=24 July 2025}}</ref>
