[{"data":1,"prerenderedAt":78},["ShallowReactive",2],{"term-h\u002Fheadless-browser":3,"related-h\u002Fheadless-browser":60},{"id":4,"title":5,"acronym":6,"body":7,"category":40,"description":41,"difficulty":42,"extension":43,"letter":44,"meta":45,"navigation":46,"path":47,"related":48,"seo":54,"sitemap":55,"stem":58,"subcategory":6,"__hash__":59},"terms\u002Fterms\u002Fh\u002Fheadless-browser.md","Headless Browser",null,{"type":8,"value":9,"toc":33},"minimark",[10,15,19,23,26,30],[11,12,14],"h2",{"id":13},"eli5-the-vibe-check","ELI5 — The Vibe Check",[16,17,18],"p",{},"A headless browser is a real browser — Chrome, Firefox — but without the visible window. It runs in the background, loading pages, clicking buttons, and running JavaScript, just invisibly. Perfect for CI servers that don't have a screen to display anything.",[11,20,22],{"id":21},"real-talk","Real Talk",[16,24,25],{},"A headless browser is a web browser that can be operated programmatically without a graphical user interface. It fully supports JavaScript, CSS, and browser APIs. Tools like Playwright and Puppeteer use headless Chrome\u002FFirefox for automated testing in CI environments.",[11,27,29],{"id":28},"when-youll-hear-this","When You'll Hear This",[16,31,32],{},"\"Tests run in headless mode on CI — use headed mode locally to debug.\" \u002F \"The headless browser failed to load the page because it didn't support that CSS property.\"",{"title":34,"searchDepth":35,"depth":35,"links":36},"",2,[37,38,39],{"id":13,"depth":35,"text":14},{"id":21,"depth":35,"text":22},{"id":28,"depth":35,"text":29},"testing","A headless browser is a real browser — Chrome, Firefox — but without the visible window.","intermediate","md","h",{},true,"\u002Fterms\u002Fh\u002Fheadless-browser",[49,50,51,52,53],"Playwright","Puppeteer","Cypress","End-to-End Test","CI Testing",{"title":5,"description":41},{"changefreq":56,"priority":57},"weekly",0.7,"terms\u002Fh\u002Fheadless-browser","TjpV9ldEvfYH6WpJnle4SdFcm9a7M8RyCxd56O6Qs28",[61,65,68,72,75],{"title":53,"path":62,"acronym":6,"category":40,"difficulty":63,"description":64},"\u002Fterms\u002Fc\u002Fci-testing","beginner","CI Testing is running all your tests automatically every time someone pushes code.",{"title":51,"path":66,"acronym":6,"category":40,"difficulty":42,"description":67},"\u002Fterms\u002Fc\u002Fcypress","Selenium drives a browser like a confused tourist with a map.",{"title":52,"path":69,"acronym":70,"category":40,"difficulty":42,"description":71},"\u002Fterms\u002Fe\u002Fend-to-end-test","E2E","An end-to-end test is like hiring a robot to be a user.",{"title":49,"path":73,"acronym":6,"category":40,"difficulty":42,"description":74},"\u002Fterms\u002Fp\u002Fplaywright","Playwright is an end-to-end testing tool that controls real browsers (Chrome, Firefox, Safari) to test your web app the way a user would.",{"title":50,"path":76,"acronym":6,"category":40,"difficulty":42,"description":77},"\u002Fterms\u002Fp\u002Fpuppeteer","Puppeteer is what Google built when they wanted to automate Chrome without Selenium's drama.",1776518286606]