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-094719996031.mit-edu.top",cType: 'managed',cRay: '90fb2131ba19056e',cH: 'PQpehmWhDfaOAynvX6AZDN1_MGFed_339F9fJM__aCI-1739180342-1.2.1.1-DEG47RTK8SqXH72xXjRhuR2EUaZYExUgAWKWXHms4KWs90sLyMwQJUij307tQdoJ',cUPMDTk: "\/post\/7268943051?__cf_chl_tk=0Kmk8z.m1HX78sjudipM29jXxXsNrZl1BzsG6wPVQQs-1739180342-1.0.1.1-uxaYV.eMsT9yzrbw4driGbeVWtJM6NOrmiE0gIkKvhQ",cFPWv: 'g',cITimeS: '1739180342',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7268943051?__cf_chl_f_tk=0Kmk8z.m1HX78sjudipM29jXxXsNrZl1BzsG6wPVQQs-1739180342-1.0.1.1-uxaYV.eMsT9yzrbw4driGbeVWtJM6NOrmiE0gIkKvhQ",md: "ep2K7cNGdjGwTwgEz9jymmyWPa5xOPu9TDNaFQ2kkzk-1739180342-1.2.1.1-PfG2ibA6XsESwhDKYDi97zkmIh66A49aNyvMMzEKiD8BgeEdk1Cz9MLovOjxI.a_FKGPwS5UHRfzcj3GscRGQQdRL2izNes_dCbU9WNe.QPxLDEdB.lX.RPCf3.SD.icKou0c8nTfvXA.twi11PYQndJ4QBBl8fiUl6AG_Ln18bEWqXrmrBJ59oUIJCcDx3ZQEuyWDaWgwWpEHiP0jc9qd9S4_S_PEVmaOVOwpdHMu6PvJrNASvwfIhbOhJXl5rLoUltoIVHJaudM_sxo15sCm77pOP5Elfie7jj5IsjAyZLQOrDBhMt5cQfDR3R_B9i0yJbj5sAVMS0PqO4nhLQZiohaEXxif2XYiQKq2A0Li50DmM4_qYSSjNm7YzWCy1Pb0SaIwd0_GZWB.olNvdIZyAClORhVHpSO31aXCIfKjvEo.WVYM6._Nj144mAafJwzkpBLoQEZjscIkt9Fg5PyoxUva_FSu2Zu7PxGA9NLc8ntl.hsrAV3buNsYQkTU6mkr4m1cLdKcxh_SsmfdoI68YdGzRySoPEARq31LzVwxIbFRq1ZwldjASET46LemWusrcspqvnHHsNIB0V4lCe7QD2i_vWR3qO0d48B..tRY2.xn_Rytmk1pfRzvp47UkXzBSf06v1NiTx66Xl3K6.t1yxnaUUvV0j0hBTFO1BlXDREI8H9.I.PdNC.ro_2BpcAGRhjyrC5U2WIzATdsYiSpyvJvEPo4bd2gaj7_31hT9YUc2P6i42KssV7w.MLsQ0lnMf7E5HoznxpcfjnqogdrHhfdhm3TXtsVnqT0fPECyGIn_rGHVZ6id2AwEPsSUUtHCpo78vrFdsDkmlWnrpTpYJ4lPkoEyHJ2X7HGpbhgYmj94mKFiC_uFM2pN1_m8HAaOURJ3e3dBhqmeTUChjSpZ3tpAtBcsOkU6qrZoFpT1_wGd5QM8USsU3JBWULKc6ShH5xE1yy7zo38IgbcmbuTFi5_aMoFUOaWY6kv41gIihjLv4S_qH5vqJ6Bd.CNRxf1BnLM1cFHDbEEywfQN9rJQ46TnMpzbT0o0wNuewqMgA8iHWmjEObHK1k.BI2ZqSWYZyLDIWjRz.uaVKjdobXGYW7MiOfG8NTnMpRTeENN_e08.MXGzG8fPCr3X1uSAy9zL2ZOnl6zpQOVzRPw6Ie0q3T8yQ_3gufbCm.FKc29_4hZ5TG88LQrdqdtL.jcD.BazIFYtDsOBeVWTHsS9ZzWto2flDXtA0S40RpP8V3lU6B4NRHn0sy.Cz5HzbH5HeruRkDRjowS8OMV3k016JuTqpdaFq_HyJbL8Wbxia.m1stL8MM2p8z3VrRniQ7mP8GTSrqnRMRWW0svdQiJZPA31C5r8rqJO2FUOF1lhWl3XA8ZM.jQkYZOTt919IjkjizOHl3.ktBqRhT.m.jWwqs4gSOOc6w1i6HrO8IsJfsKDVuhW6iwm6FP_GZJ7Hxd4s0r5tTze8Pt2zN9jC5WhUNF_Kiv6MSmu.LEd.D4BAy4zSSzawK79oILsOtabCjsywGY_E_UgnASd1Du65tkjSX6bBd6NRQyrWd.J_O.Qnk6dDwFUYvsW0aYmPThT6YzG29vBkfbjkScxDQYDcTSQ247s3RyMKyfmfZZmcqpa8lWFT71_49FW5O5EF8HlEImaUU4Bvo7kPfP4wzADr79szhM7myEOzhO6ruwA1gzAm._mmI1g9SPkGHBgzHiG1mgEq.BI5gf9fZ3oZ6QS.Zx3P33aUDkGXYG40eqX1tSmL2F5VrrztGbNibXpOYVulcwhNv9lkOZhUNSvvgKpBedsoWvMfmMzA1Nkv5v00Y0ildAAhksLSwBH4PKtrRDY4Hh_6AmdFM6cjgeNFiM4TwKRZUf2aiXIDn3n9kv3envl6pHt9gokOvy9I4abWGea57TGiWYdm1v91WStCK_PxNii2XS3.8.yMF8z34SBXzesGgADBHOmnAHWibzbOnyI.A7y4G_S8xXMdYAz0LRQhNGtG1RmvLOp0mWwM6ud4XCw9fsdjB7c5P0YPp1CTe.cFkIVAZwhOV3yE4Mlg5QCq9mUt6EpreN3SedXfDwITHKNTkk_V028FxrWjU8Y99AoK2nvhfRjuquXDYzjebjEg6JuMlyCsKob7iDjjQGEjDiVyWd4bLK0eQkyUAWaSQvs0XOF0REliwlIVTa.m_EDSRyfVec01NDSHmDTxFNzYS80ooq0nUzslKiS3ukKPgZLth2gG",mdrd: "75tBBFXI.3yV_7OBBWQAO_gPiXON5xA2QZT_GtDFPdI-1739180342-1.2.1.1-aB4a8EcLzjRqCxEXZ5YfWKKEToLhBqz7MehYYloIzQK.aL3Dw270XVf0_nHymt3lLTcWCCocVsmLoLoCc7f0QbcPAbwJ5Fyx9XxTjs.HucjVPo82JMF6E2MfkmJ.G7.NiECWIGKcr9BhmMgMhMqrdHUozFK4EgnqiVB1gAEs5M26mxRxvUegH0K.2ndM2jLl8JmmuKVZ8qEo3_BQzKUlvSGmBVDdGmrIClgZk0t.KI1Bwh4GcBUwiWWrovL0Ci6sFo_lUnOPD0rbr5Cm56qmjn4oppNyz_65SQCeEYq8ztFIqxi4femZcfUXpFmHbv69tBG0eAcmPRpnOruXhljISLRcqqH10i3h5D_24AmhcYwC.RRxPa6wrDyNOH.98_7TEx.UckeFPY5AjTobdo2l_Y226y8Y6KAmdu11VXR9IIDKfb.UbxFdFWDKY.KU17kgpdWri03Ihgunkhwe_2QXVE9lv3oQRWD25zbix3o8m8BdSBnO_wSCTuu4bimqpfyR9rQE7qGxqz6WSL8aoPbgkoSrCc9BScYSRkGQLU3AwayQQ3MFWl58SxYWNbpRFCIWDvAstkvC5A6t6eBIugVfycduDnS5adaMDjrFO4hrHVAbHwtzmmWpLaYEI24Gc_B0x3dYyZvooSwaxgYVnOUW.mv71asl54TpY_lgqdP0ExYO31h1OHY5FJxQbplM_FvNmZkF_atmpHX8jRVPN4ZmU0dP4uzBLXaglRlC4u1GM_nx_zj8UhjlLeqCSXEiWVZsfeiv2uHgTWDAIxjAoJSb9wXiOEZKV5l36mBMKNZk.Npxgn01.av0O4uFOXbPRS750etdrbQJOpfNQPWRaHnlSthyyEhwdUQXK6wq.99Nl_Ig67V.nEmYxqVXm9OqtTst6RhBJLrdThlz3T6ySoc8Ctxc5f0LqU3oTiAIXLync.lQOkwZXqJfSmeI989UX6gPEv_hX2wSyQzjV_vkODG4brvD62tfxuaIsXkxOpo4cS1Lpr127UOhUV7Eva9lHo.y2Vy72iVFSeuAFAHrz5M7iSJpHRCsriFxgLdPFuKEy_aDWbmDBl18tyELwPegDl7ASya4yGCC4pY5a.1zH.d6P7Ny9Tc4oek6uAviVGgUbwn2N2PpwlYgZiBcG_ZXvGywbFLJAODu.d6SlaPi1_Al.lluefPvGOy6.q9eOvuhFcWkySdhcRChs89jjofb26sV7WFWpcP.gfqwYr.fMenW1bIgLFQv3QJz0hUMxbtkw7mLvrWEqxiA2oWg1sis.7t1wAakuhfCdHj5MMBMDGk9hPoAvQrjvPsCEONWyZlzPmY5WPsd3TFh0d2bpi8tvVBgcvSlReS.SvDsLp11g4AtTPZs9Q8nNsorDYDa2AelF1TeD0IRFH3Tl8m0WvO3UnAhsF2eN6d93nc7TvmmGbDzY.MH2qU4pXrbaKMSOV2hvFDu6EuQnTVeeMy1p1u0._rXo8PGhLtyn_qQuG7cwckqHfHjUoEq9X1YkJiN.wN4hq2OIeXS9opOhfLAMWa8u124Ik5c5yIO5Iq7iz0Jr.VnxinwBxU1Syc.E07QdmRLaWufWp0WSiVRBcYx4F9Sy4XKsAAY6D9APappiV42MBguctbcjubZXpsvCGKPFt0zQniAZTq1XJ6a.RIeIRWNL.4yn8bauGVPVhuUSziZPoEhk7R_uWuvAdXMgjeGOgQJc2Zd78F8SOgCgC5BbBfgdnIqMzr12eBFkTFofxZ.rgjCTLo1Qg.D.z3u4emDZfHazgBLNYL._S2hmss8I_JIbj8J907Tt76SAEQeOt74fW89Pg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fb2131ba19056e';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\/7268943051?__cf_chl_rt_tk=0Kmk8z.m1HX78sjudipM29jXxXsNrZl1BzsG6wPVQQs-1739180342-1.0.1.1-uxaYV.eMsT9yzrbw4driGbeVWtJM6NOrmiE0gIkKvhQ" + 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