for Atom and RSS and KML
It looks like this is a web page, not a feed. I looked for a feed associated with this page, but couldn't find one. Please enter the address of your feed to validate.
<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="360"></head><body><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "blog-449728423231.mit-edu.top",cType: 'managed',cRay: '94b925586ca77c6a',cH: 'zOm9jOiYPfrIOe1OBob_PVsewDNbDZDVBSRg3MiIRtw-1749225870-1.2.1.1-maZ08KMlGO46oUrII8FzTQvZqPm2Angv3voYfAGKWa2Sw5FF0nquDEh2FN4OgQKx',cUPMDTk: "\/post\/8462957013?__cf_chl_tk=0MMny_gmSxDlikhzHhUw7CT5AOIi4roJYclXHA0q5A0-1749225870-1.0.1.1-zk.UrbcSWtsANvLFSuPgCI4C1yhrkcDMxh5yCeH8QK4",cFPWv: 'g',cITimeS: '1749225870',cTplC: 0,cTplV: 5,cTplB: 'cf',fa: "\/post\/8462957013?__cf_chl_f_tk=0MMny_gmSxDlikhzHhUw7CT5AOIi4roJYclXHA0q5A0-1749225870-1.0.1.1-zk.UrbcSWtsANvLFSuPgCI4C1yhrkcDMxh5yCeH8QK4",md: "NPYRQ3xnZf42CysTo22L9ZmNAet871zOo5_P7MSbyXA-1749225870-1.2.1.1-L50Etj5coJPJLc7xT.fpHgNglRNxdaqxzrcGVeDrGE4YgFqlmQiDgU5AsBzB3YzV0V5CmggErbpvzLgv0I8YX6Q_nEWcT3AhLCnbfsrH0XtPJqHqJi9l8JMRUDYhoHhJdMs8.OhwAX.BA7zHonPH.7TBiyXAwgnzF0qRtruR6J47egIJ.pwnZiQB7y.DdsBxW5Fze8GPnXSGb_ZbRYNZ_oncCc_nk8v6JD.ktYC1q85mVwClwuGOWl.8M3JJbYev6NJgQ9ebNM_O5p7IJUv2Y1lybvqsFGXxtk6d0yT.AaVm0lDXBjgbOm_jS2rOw0KHrunCnEtqJALyIlK7fUx1yNYeP4s31bq04OM1.JnKg_8k.00zcvPkxKyZQR3lF4VSw8TqIcO8dFbaod69iMX8emEn7EQd8t9HIS1p83fmwuI_ghBf6tvyudIo9FfEo0Rj.ff1SRdWWfS_0.Oqy5DAm8GIj6EUx.szLs_XEIaAkqP2i6tKE1u8OaNQzT5DyuoOlDC5jPPv5FjeRIshf_iMzvu7.UNlbwbsXzbdzoStB56_1LK0PmdbHyRRWwGU4_9txqzWby2WAbxZkXyYtiB0gl7YtTNMcKpSD4juhNHyg0rIhjhv50ZgtudeKoUcIweJ_ZJKJrLGfSuHW1Zaoqh9O.Odh3GN4AW0RnaaOF7uVyU3FDhMKymODZG7ZyzocvxNylR7XU5MdAX5tAUXRk7Pw.FCpsQ4avHtnKETbLl3J54B7lOUciU4M3xCGFLbfWHR1vNA7ooScfQV8mSDnK0p9JGHXFqimwiYUyYC_1DTOvSBcERLrA2jB52o7dYpRmCe3yLtKldTGQENY12f_cQjrw",mdrd: "tZAsgKzk.Z.24a_Y_6pCwQhIAXeRoIFbWaX8ycpiVec-1749225870-1.2.1.1-3qdJ5Z3u0YlX10shBgrFFCEcOSvtsZwZ_gHP0xjNvsa.ImCmHHQQV.dWN8AhYkmH7QG4vjHjDDAiI9HR2EkWlXMmxdmGviEr6klzZSvuK4lBAv8rz1qlqC6OsfXpN5jbWthqWY5_rFftw.BNcdS8Qm.cqu52h89ZWufBnOnI6Aiha8XehPPjklHlSjpTNCfgMG_3TY2bRDg9.MN85BlN7PpvmIA9rP30tD3BdLr7b7gHPIoQLaoyTt3zur.FGmZtENzm9p4fvE3iea7_0t_yFftZYDkLeeL6YoABLXicRukXl9gBxW2XK3kzLtR3gS6drUvxVmUCGOVpXuyrE_xccbucn0X6A0n9td5GTEoyukuJZXyswpdETaOjYnTEqMXwm3f1QKnJefMSXYWelYiiLyKUuZfqTx2wXbmKPgswoTGLi4NDvtvb6t60SQHbx2jShYmH5zxbbS8XqNYxK.3qGdiiivm.GmYWCzKT39GthOVivOvXpDM1Q3hAu6nV.achAiOS9iXPDBWcKjzwo5esmvAgug_vxtYsYNeQJbVYfQbv8U6C1qi0_B77lO3O..j7I3slyrjpDIhTDErRX.D1xjNRqarpE.0QhMoSJ_j5UXbTrqBcwjxROXKUKKfSQhbD6oL4t8g3VJftXQZRg.T1cYEU_GI903HxyqpwugRbNYAGrdQNOwNf4LrZOGW84FsKMWt1C3bvnrLyRZlL3AZRkqFbLNiV2j4X4PtO8k8x2gBXKfFpMXvJIwXA.MQVs3nNdvwLceuVg2GW7L66qrcb06VfdvqQE8DyCPSIRu6h4G.gMMx36vRYNA2opx_jQitkiOtPttcj5IPwdgpdzHIwD8vHg1w1N9vUrMxX9xjuTjsqZvR5XtDIxvLnDNzD2ldeDwI1DK.qtMxxOlHocupSlfWNrs3fCKdnCtmr30r6R6ti.1_8O7ZtCQSmv1V4fxcC1yUofnJ5aQdsnIs8MoAO7SZijGbcAgkSt7PkwMY7y30K.3tIncV4KGvLgjvukUpy5Q9uHMvrsPRQau1pUmjHPwafLMiApnTbcfXX4yi.KcNOCojJwdxkBKFSkuG4jAtRFITQ.hJidyUj0GkB06At3HmwkTN3PocfUjutDnfVPmVvRndkSugHZ9O1sxJzOF2ll0oukuZMF1p812rziUayRQuLn7_e_3NaDSj8PhIU_GCnFGx__oPTeNCapsbnHM79HxtV0jv3NFUpBCjYUIn0rf4kJQjAlq5DIMbpDzdAcH3xTNvXMr.UELS8XIzAb_6HKjiS_21KGKiljib4ZT1ZAkbg0mnvKtIJ6ns8BSzQ9DyOftIEiDrMANRBb.2bLOpG81sg1LbuE2.Fb3q5PD9bgRROPsYi7JBD9H8edzZ5QB2qVhwmtMuG0COtBEAmIYtofHmFIYpWMIO436MR__4LoOFzhbMniD6BIAsNW0gHpjO2EVabJkzRsy.xJnvFt5NoeUeOB.iH0jMBXVv8VvBKmqbzw83_JaQKgArytrAmpnVwHbhlHZ56rNk9WdlxHRnSw8oCgw0XtqXM0fA3xSXAo9gr7YPoUOms6jOAcss6ZTkuDb3HMLkvRYOjpwNgSAWFYZduk2IUpwgNLlqyWgq2ViaWiNEOlZCZyta7qE2WNBGBQIwpCc23CXaceIo8ARZN76W6RsbAMoHDuHWlx4JYbNqi8o59jUzsaZDni5KlNyeLLgKoK6K2UpaEuPEL6TzHvcpWYnsa1yq6acPWGNiCTFIdqIX4jLgFndSMCV3YWfMpoTU_Xb4Pze2iorZh8ouHF55oejM4Ri1Zjvh.eU8JoAwm.BoJfNwQAEGJRFWy0FUsdmbtvXLz6hCkw6MkcwayyEcPq.Dek67NIyA8LXbQHBaQr733w2HmEuOW5VS.S3e2d44DMndgLiIvi8JuSvDh"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=94b925586ca77c6a';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/post\/8462957013?__cf_chl_rt_tk=0MMny_gmSxDlikhzHhUw7CT5AOIi4roJYclXHA0q5A0-1749225870-1.0.1.1-zk.UrbcSWtsANvLFSuPgCI4C1yhrkcDMxh5yCeH8QK4" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>
Home · About · News · Docs · Terms
