[{"data":1,"prerenderedAt":58},["ShallowReactive",2],{"\u002Fglossary\u002Fdom-size":3,"\u002Fglossary\u002Fdom-size:related":41},{"id":4,"title":5,"author":6,"authorImage":7,"body":8,"category":26,"date":27,"description":28,"draft":29,"extension":30,"letter":31,"meta":32,"navigation":33,"path":34,"readTime":35,"related":36,"seo":37,"stem":39,"term":5,"__hash__":40},"glossary\u002Fglossary\u002Fdom-size.md","DOM Size","Fabian Krumbholz","\u002Fimages\u002Fauthors\u002Ffabian-krumbholz.webp",{"type":9,"value":10,"toc":22},"minimark",[11],[12,13,14,17,18,21],"p",{},[15,16,5],"strong",{}," refers to the total number of elements (nodes) and the complexity of their nesting within a page's HTML structure. A large and complex DOM can slow down page rendering and responsiveness, as the browser must do more work to calculate styles and layouts. Reducing DOM size is a key optimization for improving rendering performance and ",[15,19,20],{},"Interaction to Next Paint (INP)",".",{"title":23,"searchDepth":24,"depth":24,"links":25},"",2,[],null,"April 8, 2026","DOM Size refers to the total number of elements (nodes) and the complexity of their nesting within a page's HTML structure.",false,"md","D",{},true,"\u002Fglossary\u002Fdom-size","1 min read",[],{"title":38,"description":28},"DOM Size: Definition | Web Performance Glossary","glossary\u002Fdom-size","Xk3-A34lb2uv0991nfnLNL7YExKBxVtdwCkb9Cf8PjY",[42,46,50,54],{"path":43,"title":44,"description":45,"letter":31},"\u002Fglossary\u002Fdom-document-object-model","DOM (Document Object Model)","The DOM is a tree-like representation of all the elements in an HTML document that is created by the browser when it loads a page.",{"path":47,"title":48,"description":49,"letter":31},"\u002Fglossary\u002Fdom-content-loaded","DOM Content Loaded","DOM Content Loaded (DOMContentLoaded or DCL) is a browser event that fires when the initial HTML document has been completely loaded and parsed, without waiting for stylesheets, images, and subframes to finish loading.",{"path":51,"title":52,"description":53,"letter":31},"\u002Fglossary\u002Fdeferred-js-loading","Deferred JS loading","Deferred JS loading is a technique for loading JavaScript files in a non-blocking way using the `defer` attribute on a `\u003Cscript>` tag.",{"path":55,"title":56,"description":57,"letter":31},"\u002Fglossary\u002Fdeployment","Deployment","A deployment is the process of releasing new code, features, or content updates to a live production website. This is a critical event for any caching system, as the cached content may become instantly outdated.",1787756714045]