{"mockup":{"controls":{"control":[{"ID":"14805","typeID":"TextArea","zOrder":"7","w":"29","h":"30","measuredW":"200","measuredH":"140","x":"245","y":"461"},{"ID":"14806","typeID":"Label","zOrder":"8","measuredW":"251","measuredH":"28","x":"291","y":"464","properties":{"size":"20","text":"Minimize number of iframes"}},{"ID":"14813","typeID":"Label","zOrder":"9","measuredW":"327","measuredH":"40","x":"676","y":"216","properties":{"text":"Frontend Performance","size":"32"}},{"ID":"14848","typeID":"Canvas","zOrder":"10","w":"361","h":"150","measuredW":"100","measuredH":"70","x":"1089","y":"148"},{"ID":"14849","typeID":"Label","zOrder":"11","measuredW":"332","measuredH":"26","x":"1105","y":"166","properties":{"text":"Find the detailed version of this checklist","size":"18"}},{"ID":"14850","typeID":"Label","zOrder":"12","measuredW":"318","measuredH":"26","x":"1105","y":"194","properties":{"size":"18","text":"With details on how to implement these"}},{"ID":"14853","typeID":"Canvas","zOrder":"15","w":"373","h":"169","measuredW":"100","measuredH":"70","x":"229","y":"135"},{"ID":"14854","typeID":"__group__","zOrder":"16","measuredW":"191","measuredH":"27","w":"191","h":"27","x":"259","y":"209","properties":{"controlName":"ext_link:roadmap.sh/frontend"},"children":{"controls":{"control":[{"ID":"0","typeID":"Label","zOrder":"0","measuredW":"158","measuredH":"26","x":"33","y":"0","properties":{"size":"18","text":"Frontend Roadmap"}},{"ID":"1","typeID":"__group__","zOrder":"1","measuredW":"24","measuredH":"24","w":"24","h":"24","x":"0","y":"3","children":{"controls":{"control":[{"ID":"0","typeID":"Icon","zOrder":"0","measuredW":"24","measuredH":"24","x":"0","y":"0","properties":{"color":"16777215","icon":{"ID":"circle","size":"small"}}},{"ID":"1","typeID":"Icon","zOrder":"1","measuredW":"24","measuredH":"24","x":"0","y":"0","properties":{"color":"10066329","icon":{"ID":"check-circle","size":"small"}}}]}}}]}}},{"ID":"14855","typeID":"__group__","zOrder":"17","measuredW":"202","measuredH":"27","w":"202","h":"27","x":"259","y":"245","properties":{"controlName":"ext_link:roadmap.sh/javascript"},"children":{"controls":{"control":[{"ID":"0","typeID":"Label","zOrder":"0","measuredW":"169","measuredH":"26","x":"33","y":"0","properties":{"size":"18","text":"JavaScript Roadmap"}},{"ID":"1","typeID":"__group__","zOrder":"1","measuredW":"24","measuredH":"24","w":"24","h":"24","x":"0","y":"3","children":{"controls":{"control":[{"ID":"0","typeID":"Icon","zOrder":"0","measuredW":"24","measuredH":"24","x":"0","y":"0","properties":{"color":"16777215","icon":{"ID":"circle","size":"small"}}},{"ID":"1","typeID":"Icon","zOrder":"1","measuredW":"24","measuredH":"24","x":"0","y":"0","properties":{"color":"10066329","icon":{"ID":"check-circle","size":"small"}}}]}}}]}}},{"ID":"14856","typeID":"Label","zOrder":"18","measuredW":"209","measuredH":"32","x":"259","y":"159","properties":{"size":"24","text":"Related Roadmaps"}},{"ID":"14857","typeID":"Arrow","zOrder":"19","w":"1","h":"76","measuredW":"150","measuredH":"100","x":"802","y":"124","properties":{"curvature":"0","leftArrow":"false","rightArrow":"false","p0":{"x":0,"y":0},"p1":{"x":0.49999999999999994,"y":0},"p2":{"x":0,"y":76.17275043077757},"stroke":"dotted","color":"10027263"}},{"ID":"14882","typeID":"TextArea","zOrder":"20","w":"29","h":"30","measuredW":"200","measuredH":"140","x":"849","y":"461"},{"ID":"14883","typeID":"Label","zOrder":"21","measuredW":"481","measuredH":"28","x":"897","y":"462","properties":{"size":"20","text":"Minified HTML - Remove comments and whitespaces"}},{"ID":"14915","typeID":"TextArea","zOrder":"22","w":"29","h":"30","measuredW":"200","measuredH":"140","x":"849","y":"500"},{"ID":"14916","typeID":"Label","zOrder":"23","measuredW":"271","measuredH":"28","x":"897","y":"501","properties":{"text":"Use Content Delivery Network","size":"20"}},{"ID":"14920","typeID":"TextArea","zOrder":"24","w":"29","h":"30","measuredW":"200","measuredH":"140","x":"850","y":"1158"},{"ID":"14921","typeID":"Label","zOrder":"25","measuredW":"274","measuredH":"28","x":"893","y":"1161","properties":{"size":"20","text":"Pre-load URLs where possible"}},{"ID":"14922","typeID":"TextArea","zOrder":"26","w":"29","h":"30","measuredW":"200","measuredH":"140","x":"245","y":"501"},{"ID":"14923","typeID":"Label","zOrder":"27","measuredW":"461","measuredH":"28","x":"291","y":"504","properties":{"size":"20","text":"Minified CSS - Remove comments, whitespaces etc"}},{"ID":"14926","typeID":"TextArea","zOrder":"28","w":"29","h":"30","measuredW":"200","measuredH":"140","x":"850","y":"1197"},{"ID":"14928","typeID":"Label","zOrder":"29","measuredW":"307","measuredH":"28","x":"893","y":"1198","properties":{"size":"20","text":"Concatenate CSS into a single file"}},{"ID":"14929","typeID":"TextArea","zOrder":"30","w":"29","h":"30","measuredW":"200","measuredH":"140","x":"245","y":"540"},{"ID":"14930","typeID":"Label","zOrder":"31","measuredW":"237","measuredH":"28","x":"291","y":"543","properties":{"size":"20","text":"CSS files are non-blocking"}},{"ID":"14931","typeID":"TextArea","zOrder":"32","w":"29","h":"30","measuredW":"200","measuredH":"140","x":"850","y":"1240"},{"ID":"14932","typeID":"Label","zOrder":"33","measuredW":"191","measuredH":"28","x":"894","y":"1241","properties":{"size":"20","text":"Remove unused CSS"}},{"ID":"14933","typeID":"TextArea","zOrder":"34","w":"29","h":"30","measuredW":"200","measuredH":"140","x":"245","y":"579"},{"ID":"14934","typeID":"Label","zOrder":"35","measuredW":"389","measuredH":"28","x":"291","y":"582","properties":{"size":"20","text":"Inline the Critical CSS (above the fold CSS)"}},{"ID":"14935","typeID":"TextArea","zOrder":"36","w":"29","h":"30","measuredW":"200","measuredH":"140","x":"245","y":"619"},{"ID":"14936","typeID":"Label","zOrder":"37","measuredW":"299","measuredH":"28","x":"291","y":"622","properties":{"size":"20","text":"Avoid the embedded / inline CSS"}},{"ID":"14937","typeID":"TextArea","zOrder":"38","w":"29","h":"30","measuredW":"200","measuredH":"140","x":"245","y":"658"},{"ID":"14938","typeID":"Label","zOrder":"39","measuredW":"279","measuredH":"28","x":"291","y":"661","properties":{"size":"20","text":"Analyse stylesheets complexity"}},{"ID":"14939","typeID":"TextArea","zOrder":"40","w":"29","h":"30","measuredW":"200","measuredH":"140","x":"850","y":"1282"},{"ID":"14940","typeID":"Label","zOrder":"41","measuredW":"213","measuredH":"28","x":"894","y":"1285","properties":{"size":"20","text":"Use WOFF2 font format"}},{"ID":"14941","typeID":"TextArea","zOrder":"42","w":"29","h":"30","measuredW":"200","measuredH":"140","x":"850","y":"1322"},{"ID":"14942","typeID":"Label","zOrder":"43","measuredW":"362","measuredH":"28","x":"895","y":"1325","properties":{"size":"20","text":"Use preconnect to load your fonts faster"}},{"ID":"14943","typeID":"TextArea","zOrder":"44","w":"29","h":"30","measuredW":"200","measuredH":"140","x":"850","y":"1361"},{"ID":"14944","typeID":"Label","zOrder":"45","measuredW":"326","measuredH":"28","x":"895","y":"1364","properties":{"size":"20","text":"Keep the web font size under 300kb"}},{"ID":"14945","typeID":"TextArea","zOrder":"46","w":"29","h":"30","measuredW":"200","measuredH":"140","x":"850","y":"1401"},{"ID":"14946","typeID":"Label","zOrder":"47","measuredW":"269","measuredH":"28","x":"895","y":"1404","properties":{"size":"20","text":"Prevent Flash or Invisible Text"}},{"ID":"14947","typeID":"TextArea","zOrder":"48","w":"29","h":"30","measuredW":"200","measuredH":"140","x":"245","y":"696"},{"ID":"14948","typeID":"Label","zOrder":"49","measuredW":"458","measuredH":"28","x":"291","y":"697","properties":{"size":"20","text":"Compress your images / keep the image count low"}},{"ID":"14949","typeID":"TextArea","zOrder":"50","w":"29","h":"30","measuredW":"200","measuredH":"140","x":"245","y":"736"},{"ID":"14950","typeID":"Label","zOrder":"51","measuredW":"362","measuredH":"28","x":"291","y":"737","properties":{"size":"20","text":"Choose your image format appropriately"}},{"ID":"14951","typeID":"TextArea","zOrder":"52","w":"29","h":"30","measuredW":"200","measuredH":"140","x":"849","y":"540"},{"ID":"14952","typeID":"Label","zOrder":"53","measuredW":"477","measuredH":"28","x":"897","y":"541","properties":{"size":"20","text":"Prefer using vector image rather than bitmap images"}},{"ID":"14953","typeID":"TextArea","zOrder":"54","w":"29","h":"30","measuredW":"200","measuredH":"140","x":"849","y":"580"},{"ID":"14954","typeID":"Label","zOrder":"55","measuredW":"501","measuredH":"28","x":"897","y":"581","properties":{"size":"20","text":"Set width and height attributes on images (aspect ratio)"}},{"ID":"14955","typeID":"TextArea","zOrder":"56","w":"29","h":"30","measuredW":"200","measuredH":"140","x":"849","y":"620"},{"ID":"14956","typeID":"Label","zOrder":"57","measuredW":"251","measuredH":"28","x":"897","y":"621","properties":{"size":"20","text":"Avoid using Base64 images"}},{"ID":"14957","typeID":"TextArea","zOrder":"58","w":"29","h":"30","measuredW":"200","measuredH":"140","x":"849","y":"660"},{"ID":"14958","typeID":"Label","zOrder":"59","measuredW":"311","measuredH":"28","x":"897","y":"661","properties":{"size":"20","text":"Offscreen images are loaded lazily"}},{"ID":"14959","typeID":"TextArea","zOrder":"60","w":"29","h":"30","measuredW":"200","measuredH":"140","x":"849","y":"700"},{"ID":"14960","typeID":"Label","zOrder":"61","measuredW":"516","measuredH":"28","x":"897","y":"701","properties":{"size":"20","text":"Ensure to serve images that are close to your display size"}},{"ID":"14961","typeID":"TextArea","zOrder":"62","w":"29","h":"30","measuredW":"200","measuredH":"140","x":"245","y":"777"},{"ID":"14962","typeID":"Label","zOrder":"63","measuredW":"194","measuredH":"28","x":"291","y":"778","properties":{"size":"20","text":"Minify your JavaScript"}},{"ID":"14964","typeID":"TextArea","zOrder":"64","w":"29","h":"30","measuredW":"200","measuredH":"140","x":"849","y":"740"},{"ID":"14965","typeID":"Label","zOrder":"65","measuredW":"450","measuredH":"28","x":"897","y":"741","properties":{"size":"20","text":"Avoid multiple inline JavaScript snippets