[{"data":1,"prerenderedAt":55},["ShallowReactive",2],{"\u002Fglossary\u002Fcors-cross-origin-resource-sharing":3,"\u002Fglossary\u002Fcors-cross-origin-resource-sharing:related":38},{"id":4,"title":5,"author":6,"authorImage":7,"body":8,"category":23,"date":24,"description":25,"draft":26,"extension":27,"letter":28,"meta":29,"navigation":30,"path":31,"readTime":32,"related":33,"seo":34,"stem":36,"term":17,"__hash__":37},"glossary\u002Fglossary\u002Fcors-cross-origin-resource-sharing.md","CORS (Cross-Origin Resource Sharing)","Fabian Krumbholz","\u002Fimages\u002Fauthors\u002Ffabian-krumbholz.webp",{"type":9,"value":10,"toc":19},"minimark",[11],[12,13,14,18],"p",{},[15,16,17],"strong",{},"CORS"," is a browser security feature that uses HTTP headers to manage whether a web page from one domain is allowed to fetch resources from another domain. It is a fundamental mechanism that enables the secure loading of assets like fonts, API data, and scripts from third-party services.",{"title":20,"searchDepth":21,"depth":21,"links":22},"",2,[],null,"April 8, 2026","CORS is a browser security feature that uses HTTP headers to manage whether a web page from one domain is allowed to fetch resources from another domain.",false,"md","C",{},true,"\u002Fglossary\u002Fcors-cross-origin-resource-sharing","1 min read",[],{"title":35,"description":25},"CORS (Cross-Origin Resource Sharing): Definition | Web Performance Glossary","glossary\u002Fcors-cross-origin-resource-sharing","jN62PW0REPjjSCPX55B1wBWqxMIejLQWZRy2i8bf00Y",[39,43,47,51],{"path":40,"title":41,"description":42,"letter":28},"\u002Fglossary\u002Fcdn-content-delivery-network","CDN (Content Delivery Network)","A CDN, or Content Delivery Network, is a globally distributed network of servers designed to deliver web content to users quickly and efficiently.",{"path":44,"title":45,"description":46,"letter":28},"\u002Fglossary\u002Fcpu-time","CPU time","CPU time is the amount of time the Central Processing Unit (CPU) of a user's device spends processing the scripts and rendering a webpage.",{"path":48,"title":49,"description":50,"letter":28},"\u002Fglossary\u002Fcache","Cache","A cache is a high-speed, temporary storage layer designed to store copies of website files (like HTML, images, and scripts) closer to the user.",{"path":52,"title":53,"description":54,"letter":28},"\u002Fglossary\u002Fcache-contamination","Cache Contamination","Cache contamination is a critical issue where a caching system incorrectly stores and serves personalized or user-specific content to the wrong users.",1787756713565]