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="390"></head><body class="no-js"><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-410642990952.mit-edu.top",cType: 'managed',cRay: '90f2e819296af282',cH: 'RKdaRZ4IJP6iIo3vAYiIFTdQjiyn6JOO8aTmcJe72y4-1739094117-1.2.1.1-JyQopYiAytKuyO0ocVW47gpjg8dH0n7rCps17.R_nnb7XZpmwTzYMSdAEZnZtMWx',cUPMDTk: "\/post\/3219468507?__cf_chl_tk=MS9SgKkKhRjN5yrJyklZbWd_LBZs44LfmOgf5JSSgoA-1739094117-1.0.1.1-UHB.Cm9oKOTfrE0_FSbmZB0Xmb6Qgp.Efj8smtUQo7o",cFPWv: 'g',cITimeS: '1739094117',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3219468507?__cf_chl_f_tk=MS9SgKkKhRjN5yrJyklZbWd_LBZs44LfmOgf5JSSgoA-1739094117-1.0.1.1-UHB.Cm9oKOTfrE0_FSbmZB0Xmb6Qgp.Efj8smtUQo7o",md: "slzWj7.L1Ls4bdY5w6GlRHNt_vlqKnY_lZt0AmElUEc-1739094117-1.2.1.1-fF9uTMs8xvrGn9I.M7A0_QfLqsTxIKXQn2azuQxW.bwPQgmo_oRbnRyboK0PpMBKUw_4_mVgMEVfqMoZqw2tDuH33jT9nym4ARkI9aURy3diUlQKU902mjA6vbg9EgZuaMntr6GKJbSyK410nx0PCRuR0cfU5waonzhTzkViGdoVlfruLbralQ0611BiQKI562h2Y0PLuXsRZW1tXx2RlUM3ggfB1XiP53iCr9rsVBTNa3.ygHbinYyeTiF8R6UJTJc2MFNnFy.k0RJaW.Ayq6_JsmfhhXv4bj0UvXgjNmPzO16mVZjLpNAlNy958D1VGqfLhKLU0NZyx8cpN4fbmwi_YsUHOYs2JuFPGln9IZo2IQLqy2EEnV4.pX6scMHaAvlWNCYAur89XgwjiKqxTcodODxP4mtw6TCSwSFYkH9KfugB2Rhll6yLBMz6dNWfKhxSjDBttrfc63X2CMl0cpY2vgwYV39ldMvxI58ZnR9bduInlDTBVoBufX2sr5VvCHqZ65hPpHMNjoAbx0RbvmmWzdfPQzJb49uBe6E1Wj6VKbF97IhGrUZpvsj2xEhLnjDAKSGwcEYe91Y03x4I6YpkHBpT29xQyuk21.7czeExkePoWcSx.qwFOBX4NPfl0LXeMEQ57k23Qpza0a0uCLMj301B.pI8c..2Dh.8VYtYfWrF5YgG69XWGMiF5zvlmJQcE4ODZDXzcVyGhMM4oT5EbP9SNVbybXoMM.9K4sJtp23t_3fFN_NZMDQe_Ml4_LdQgB3gF5.fKOGnUwrBxeUul_Kphqg5zjuLjLEARHdUmxtZpmK3AgBf90Nv53Qz2RdPcKmuuTRekOx3GagUMToQ8ZYNcCjz3YWRIECFgEaPOhejbzT2pVAxpra0x8vCMNpuy68zThThowTXND5gHvouQaFF8MdqifzoF8Vw6m_61WOtEsy5ntCbxwKv5wZ_xtz2pugBU_iyPxvaoFN.dTDclI.6YERGkrtilxWqAE0KMLZAw4WHiCiTdXHmihSjq.KEaLozJGxLI.3Ius9EvX1.l9KGyMoojEBcaeh2by6KcpTPwiaK6yoLAVhe1nQVukcfQRBRE1.OrZoddV5xdyr6SDymueWk.bFncpDEncAdqFJtK1oyr.ZyoC038DJuUbAQ_mbADKPwOAyJeiX2ZB5z66Cb.bCP29VBgHJZRFj2JCX5I.DB34ZMHkKRlzOPA.6aHT1eqCcKkupy3IxeTE.4Aaq3agqhrlQ1LHGEOdPsGFrjb0EQcqQGvoF2Xn0dW6hCVXUBNgAcdBCYjc5.x8gzGYvjAJO54Rj8KftnPZJy5jt9SJkV9g37M_Lfuc7EhGG_yH4Q0J32DhI2o84m3Ztoa73w.uCtONGVMrJEuIB9x5Mmk25wqtta58EH7KRcRjXOv_5_v5GH79D_bNc7TrM7VUtBmEbnwMWoPPchJxtahuBqY_mg75zz4fyOp7xnUqNiB6zrz_SkalBnsCF3.jGxWCzubW7sozAyPQOyowbVTJp9odndrAFsmamhORaehdDo9DXxxBf42Pw3CA.8L42sqH46Aoqy3P.7lBlHjGFaT_reyxCC0O9GWxsRA6Bya0fS1sAqAPHNOBl7UdRFw.T93PKoMegqdviqZa4aEirc3_G7JCnLReNfrnMXkSUOA5higZgEPsHtgg3o4UTuf.pS9giUBNskJFSLBBx5w4j87o3IrGyIOQy3IaZV46Tpe6DxqHMCN95SSbZl2_ZuyHzEiFckUSXwc8_QFsjwABRkrYDufctp44dFreHFUrLadlcjmqvsRnhtrXZi743Khi5NIISrhZKIsh3ufaEDdmqnFrVzm4X4iGTJn4NyObuS6N1QCSNvVCWMsswYe64QjSzhDLtYoZgdhUQNKoHfobeuk6O00JjZTB0aINTpD6oaiZBqRKkb.Ye3jTff5VJ0u4SviPvIwJX7MxIi8t1MdG32RCZbL7TEgUmWLJEWJKDeB6t6NLu0wu73wqO2udq9ks5MnD8.al1o.e9HOVa7Va3r8uya8XgkQ3RufDxHvACzqq3bwzPrPEJTwX6UBhK61xjmSfOUwLoPpvgrhAW4CT2YGZDGcu6KyqEzHRthzlPWjdAMTa_NBQB7pvX_YP4WjL7F0sU7w3hOxunk8Wwkx9wRbvNYg0lKA264lN4euoq7cc_pXfJzZ.wKg5pHc02..ZYKavNenHfbLmU_33NK16h.tEECo25iUFmfWr9zb1eX",mdrd: "XlITDGpmbFOlYWbg.lYg8NyOE8q7MMy6VZEtSwypZQU-1739094117-1.2.1.1-rDkI.yat2Y7_JDX3E1Lig.N1EedvEnmJcP8gYkl7KRxc4p2PF3WMXrJsEwyn5i4pPc92CD_lSfERjEInCZBvrOwN1j95Dtp8k6J_hmEDxGjPvV9wFJtg75yZhBQg5bCmQKhDaGwh5mRMbG5XfHNG3w_HzF7Ho3TebnLnS8ztjHPZMIxaQlIGfABLVVbbbFBdE8qEMA0b70j_VM_p_Bv9gR840V6_VrdYqL0X4e3PZkejOPAGGCJTAhT9OHTd8vwL.T7EhAsQTgGDB_sn7zqi9W5WvtHveOGyFaMAoCvBC6dRHGrx1PR43dkaCHrabQVrX5Cxxmkhwtk420to0BaCJ1rBly49o_RAbc23IXLJLCkPEE6V4Jk_aa92wssh1RcSOo8Xk9eBMc91TE4bQZceo4aToYu8FcPLZdKlEnHDZaMrpcXTiBwMQ_SDX5vwmegO5VgaTZHImTn3xmhAuT_oR3dp3ME64vVuAkJGp9uTD.HK2i1cgIUYNI4NononIW2fL.8be0CJ5Jd5TMFCJfQg3XAVlWy6AyGqUGQUMnzci0r8Y66W3Y8zFiLuLgpGSLfRnC.fshUEg_65Qbds9nVq_WQK7wxy4jjGCPqjuzm0GJ7pIRCV1iTw2PgDnYeaXIgIaTdAORL9jf3_OhRc31lWenhdPTEAiBhhRTWX5IBJAU.PjlEQfz7DG1vPsLJ68TE7LCEunu81wbthLzLxIbs5WYXZGfmtT8Hko40mk5PcdNDvoJy4ZCo69Hy56EIdjBad9uKVxaCH3r0Vh7OZAddy5GFrCLcWh2FJuzR1Bdtcyt_zZvE27YYKEwSpXaE2Ny0CT7iCMuxc65zaMANCO6VkJ6h8vNn41xFMq781Tdew2gK3O.auG.7u9SZNW55Peu02G7SHOje.aMO8CgCaCkxnNwOJfDpwH6wljdaMJn0tezUaPvrFBF9hT1eTVcO2PuFrHN8.dcQnTKUKQGgLtI_iXJxgGcAJOyteWQRBIixdv.QJDEpTZg53y.vvHI4pnC2ttOIrgY.i0s8m6gMTg01dY4M1BTEAC3qE6LZM7.A3IQpPTDgUeeLlwsw_iQe_zNFin7pVZ_WHKzeAzLEVRyp1y9cBEudOJqKEoAc2EvwLkdeiv.EtrTPwmOFcCJJW3RsHHsEwRf0BohBNA1eczxGwkKqb3QMIVSjTmwrIGWGtxZeW9DnLCxtGf9Dw_aJiw5NLy47W9UA654yW_LhrQ3GQTp5TUs0dOrlPPKeiZFhGE9hUch5lioos1se6ODdcSSo5TfgSYFuW5w3M5FaEPo8tqBAwDb.FT2nO.Zv5y2TMPSmBR7NOavAAsYjz1OB9Qqln6ZhyKJpUjedp_7hWv7_LgI7Y5lbZOFVtc_YOjbUMuEboUCyrqxq1ILzmgAfPDm0PnOuEn9Fy3fw6oH5aQGFGhNgbygv011QUYCr_l5E_J5Drxr6pdfsYPeAOmvWYqBqfo7n5lO7kFB698B64orP1zRXLFP3.JRyvY3MI8rySPKMn4JKF2eZG4hXt_Uypp6v3ZDMvlSMft15dLbMDzWQeS5p57AGQf3LTJSCV8qmD4L7s.FJgDdPfGFdWHCNZSCLcpy8sPXZy..DS75Rk1A7qCFdycHY92J9CDlfj2UwUKgQfsXU2lx3ATF9g3FmEdFIhk2FQnp02A72trjXqDaT4YcrASxoYJpOZPUtRGWkDqKd6wSjt1RyQ.eT4t4DRsDtVuHh2vaw7fzE9c7OEHY2rPhNOu6hcXvxN1FnPa2L8_3PMs3zga2ITQRy6FYh2SsxdipIz0zWv97C4dz_qITLapziw3oRxlhX.BtXdbJ3MXIQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f2e819296af282';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\/3219468507?__cf_chl_rt_tk=MS9SgKkKhRjN5yrJyklZbWd_LBZs44LfmOgf5JSSgoA-1739094117-1.0.1.1-UHB.Cm9oKOTfrE0_FSbmZB0Xmb6Qgp.Efj8smtUQo7o" + 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