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-401778426145.mit-edu.top",cType: 'managed',cRay: '90f35809daae5a40',cH: 'Tp_yfyyZyZn5G8JQRZTNxAVVauwR3aFNkQYSHjIL1ls-1739098702-1.2.1.1-sqhv_ZTCGHLFDs3Y_bq7m75R8fwekP14j4wBCy7wMmfAi5I.uZXrHhkZasMyfyK2',cUPMDTk: "\/post\/7916584302?__cf_chl_tk=T_zi5IawgMuaUeec0aDvad.1purdg.s4hS8BJ3k0KBA-1739098702-1.0.1.1-hYNyceT06UVyRmUKkVvNv2W.pMqdazFY4wPxroac_WU",cFPWv: 'g',cITimeS: '1739098702',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7916584302?__cf_chl_f_tk=T_zi5IawgMuaUeec0aDvad.1purdg.s4hS8BJ3k0KBA-1739098702-1.0.1.1-hYNyceT06UVyRmUKkVvNv2W.pMqdazFY4wPxroac_WU",md: "sg5QwN2KAKU_2FPm2cLLJIO6gRoH_wtc1xALG0D9104-1739098702-1.2.1.1-0g0_fW9_x37H6JDBgg51qNgw5AQ.z7566_OiVAy_iuyfkQrLkYnamJZmSwEwwG9JLfQCvvnHowHo4cJGZZDaspK5OEdMhgLy1iRiuuD0ZTwh1zHXI0cyVReZU5QrhlfeQRw2n5VpqHxw7H1AwQXzTgk26z6GAOZD.BVvwnHM4NP6sAueKm6OTzf78KYUE._xgokalRcQk7Ki1DoAyM4ZPfZ8dQ4RiFaSPoq0pf1yvBm75Q7UkxbsjhYCECACnMrw0c9PriNDokjXLkiLM9KDF0PWLayfJWH5g7mGNb9PKWYjvs9lbRfz.2B638JdyABfuWDFLC_Ad3tgeGNFiSl72m82XAZFE1rPFW9a2NwBnPS626wNNe1vfm4MAId4GeXRBHaZSQFsI4LpemqGjtJ9w4CVYEtGhB5jpHDHzRnScHQJ0RXY4evRVn7SHVX_3eYIbu9GeobZqd9BebmS4XEg5XwWpY9RsnpR5qR.RzCL7Evz_TUtwgLnb7AmIZ8.oK25edGyQ3hNwL6b5rdcWPJfU18rxmOZAHavVQwqM2z9q38oA0tfB5vsULIM_EfLOcmQ7fwAzWA98K8aT2qlJGfatjDgr91t0SRXBKtPYAHD4WqCN._L84XXC7uXHyPEtj8YHQHH2PDXiMTaV.d7AVvwKwwzrvQj05VLQ4EamiRjWCfdNOE2U5lsJhlQRycXPWdZqdN7V9HfMvqsfM7nWzs6rLNegb9SlTwqpdHtRv6P5NLbthB85mfls29uA1jQEvdZWN1a3IHHCM93rKYTu60MfzJIheILsGLQlGfqd0elDxrufu5btukIeEqj6HwkyOjhVNZ13OK9.mmVOeuI18EmC6Iz68Pde_C6oJf49v1xwRK.8XP2FQUbVpA5wHktM8lUaP3ePVOYaCyEQy.r3lAkdt_wtsNm6So.EpFUrxq3VK04SJz6d0RSMmQntnWLhxmyh.t0E55POWvyh861PnYYFMt7pMk4SHtA3ffCGUuXq8FrHtz16_L4Fw2_cq9pQ0GxUfp8ntwJnzm7MgPdAjGemZ3pIC0afR7GMKhvS_ToRLTX1x5TRP54jyB4xB4kQcdG4YwagPPclnJsU5SZ_H7YeVuCB_8KzKj4R9OcH36migFmtxn9mYv_PwLFP.Mh8Wn6btgsEDa.GiAtFOgCNVfetDQSt0mGEEcwEG7QxEibrBAe.jvwmNPw5k0o5bb6hlE75PU_JroEZLPOJF7bwFXu_ezRHkqEvC1vEJKdEHm_TQS1WuSbDyPhIzvp.N0652ZxtTcnRFcTwQxvp9VL79SIlz.u5PS8Y1Wu6mw5r355wvvKIE5rKEUzWJEbwN9JRckARl2ACaW2I.6IaNRU9m8odlHDVbzAEmK2frFN58tvxc1vx9ZsLl9nhy9Z80SaX1bZXzU7We4dq6bNYyPiQkcaRoNn2njcT070GRUER8Vkm53CwvN1yoPBh6cdR1jrXBaXwILIno8eywWiSx5aOI1AMOzDq68jeqEn5zLPhZUXpuRKHQEO4PNlEM6AceDp9BU_DavR4oPhVakc5vFVavZsqapJi8Sd09aaud3jymqLYLD1rU30_VGuVEcQzpmwgh40lLUZJXcUAIp2h9zHtxKR6b8mAIk.5DeTla2rB5udz8Px1PG9cWFJxlVOniJ.3wUYsVrPsaRu1Y.tX3o6g.dUEu002aq78xLWAlLWS4v1YvO8TuMx0wBKhJfLWpxWtwGTzvTpVRCvOUm1mM4ue_V4eSsiFVRFPOAEBbPbwT9csPZbFrGieZuWr245yo7Ez9LnJDsMO9D2IG.X.4nrIeObGOeji1BPSr9OVgL4YM7_dFCk73sPu9Oy9rmUsIgwAACTiC7przO0s3ew_iaKGV0EoZnK.t2y3LXxfW6r6_duD1lmxr8lW8jVz07dHk9pWOEIBf_ICvfEoGTU7mlO6uGtI4CZzFR8HShQ3aTUsQ4RM61hd3Dpbk0ML4EysoI.QLftWGuKMlSP.UkYP45ESIaDUloNjcgItA_m6x4RWcp4lcbKyQPRTreaGqL01NkOVvtN6cnN5m8L6RBCxstD09O6jJYHsYV69rzQ4LEZYyFGSRnHQ4N_r1TcSQQIxaJxJQGo8LXajhc3f21GbIv.XkewtdAlZpMe748GPcLLs18Zl4byDT6jS8p4dIAaWSheZBnO8UqP8foi3V5DpPbQOs8P8R48xhH9zlvYF.rzxtymNHwnjG.Ku.U6oQS9O78qFJOs",mdrd: "7rIbDDpBgVrolGXnF0EBII7vbmK7vufyS2.DtMzKmHQ-1739098702-1.2.1.1-2UgoMJzzFbmrx2wyojE4XMrqL8ehDeedCxqr0pCHlwL7w9hPiUdWd0Y9tr13pEiXVEdatKU2u5VkJlRdmnQnBOFoSsaIoJabKeah6UmOznzZuDBfM1G_TgWm6FKLgHgoASfZ4keishK8ejcxzflAKjNMDT2.YFG3uswLYWob127hkBeTYXNpIcqPiHjTgtq0OE4dpiANCdNXlHpNRz79XyEFaz07umNtaUmz7XkLYBE8pB7CYofMuI2vAx6tSGp4sRJ4Agr.Sb875RlvPov18Gap_AjtbXcsQLpzp0wRxeIFuSH.D2LEi_LSj5mYd4YFHbLHCJjqzoYqg2kIbP1DAK3KxgySHzLZoBqDBNeEbmyoI4KisVhePpkS85u4soI7TNDMEjzRVkD1OJozSvK49ZNmd5VJ3SDbc8VKGfbOoM6mEtIUg7Cc29BhCzUbRH6SyrDPNhX3GJCBpC5kfCy7koopD5fPsacrtER3zitQoiHjYt6ZfX2F6j1DjhlXM4GXHwDvxH56BHJKZnlnP0WGrUZ1YQslFNFVwEbiaaAYLNOuymJ88Y4rGp_nie2TO8R1usq2TOuhhAaFt2qa2Am7gXWz2fYNq3pIiRMj3Zw.Fd7kI2Xxv4ur6ZUv.AaJE3nyemnn_vBnUkpjek6VnB18u.5REBjaPmZMUBrpkha4rN7pSjTtGN4M4.aE4aS3UUJmFQRH.AInYwEsqtgp4lxdWVCtu30OloRY39.1JswEy4vmDW6czQtEf82xCumXGI9kfjd_12KT105YQg.euhV9BXKwiOi4dWT1mNOQd9MzAGDhww9VlKq25zWcO_N2vHx2n8Ql92TcCNDfDRv8iBrS0LK2MLwKIB2ctro3.POrkaaoTkaL2GhXEkB_TcNlHiKe8z7VBgyRc1QzrihQoyrBwaS9_dZULJlGsIRwtVQ4CCgkPJcGa.7Fqj8zf542Y8eAC7PugdYcom80d97Nzec1urczu9VOePHfE5oBwIwElz19.66.RhGBDDRwJxgXrgImkCzDMM3jA5HvbFKBTZo5FkPMKeJUklj0Ltu55skfr5OUr1BPEGbRIu3zHfdN_fwVyYAB7fLIzJac5eNZgJHKG0rvjADJWFimgfmde7luXDe6ocgZPE7UQjV3Y0VY7kK5t0z0XFAcoH.pzaQb4fQYPkb0_YDJu6_6GJiRVBRtjhIQ8iRqx_PgIfxy7A9.f4UCM2FX.M0mUtgztEZElZomYgms5WP0h.vg6ljOg5URMWIVatQAJIovGqF4GoWyN_NeL3U.srqgtvmqNnEbp2KI3Z2GTM6_fCJHBy.YIg3D3AAtMmL6SqT4s0qqFkFsZusZpX867YX4mekvoSjGK5PiQty7vLHSNYUv2gTajwO7Zsbxxl.bC9DPWIpKvB5w74_s59.2aXkZ..gTgyBthrAYHgRwThgu3pQ8ISLiLS.sUR1VUYios9G.pStVuZx0Fbfpu1szoWuUp1OekJ0ApBJxyrbBVYV8LUvjPabbEufRp6Mj3DbGoJpGr3dRAr4gkXAUxqLaNhcH2mjgugkbGNVqWMk10svnD1GarYbhPjifhXTOuClwhzYkdj0LG.3GBlFgUnRE1aluPxvokZvFdDoQv50OxeMvQViydwt6sRsGfANzrAOeOAFyWaXgwQ7YP9WlhAg7POXR.sgxoDhUMXvDR0ZuBZfta7Oj9E.Di4d4la_Lkyxrd5EwNM.FvTv2orR9xaRy5IMCE8zEzWlKGcmkgpLNFFRWYc9V.rDFJkPWv2GHXdQDxHqecAK04YRK5x4i.1vD313LJGxy7NITRv25Vw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f35809daae5a40';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\/7916584302?__cf_chl_rt_tk=T_zi5IawgMuaUeec0aDvad.1purdg.s4hS8BJ3k0KBA-1739098702-1.0.1.1-hYNyceT06UVyRmUKkVvNv2W.pMqdazFY4wPxroac_WU" + 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