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-024376514304.mit-edu.top",cType: 'managed',cRay: '94bcbb39dd24a504',cH: 'lVp99wQvnk8oJpi3m2deXO7PL8jxkBb4jAO16LxQLic-1749263466-1.2.1.1-2VV33INTFPGJ.ZI_0OEdW00CWAbGtHzYoJu8QREYIVWuS55YUnzcQ4u5ehe89uMf',cUPMDTk: "\/post\/6940357182?__cf_chl_tk=mtRo0IVutHYcCyTu3NYIgxkydjZEboQeiK6zjCA7JjU-1749263466-1.0.1.1-_7TneVKgfI8p2vKjS_haIfA2kFOK7Mj4w_LTAUjRtuo",cFPWv: 'b',cITimeS: '1749263466',cTplC: 0,cTplV: 5,cTplB: 'cf',fa: "\/post\/6940357182?__cf_chl_f_tk=mtRo0IVutHYcCyTu3NYIgxkydjZEboQeiK6zjCA7JjU-1749263466-1.0.1.1-_7TneVKgfI8p2vKjS_haIfA2kFOK7Mj4w_LTAUjRtuo",md: "tJOwno2_kvxFDKcW._ETv52QOx6sTLtR8zW.YxYgoFE-1749263466-1.2.1.1-uKdhYBb09EDcjPFOqdUyk4WBEPIR2H6MMzEFhI9SP8nLr5edd2.hc1.tHgeNPASCIvQlpbug.RixAON2fQCFCOK1cNR5OJmUQuPFj2eQcd3gtsbsHEnPsQGza0yBMjm2MXT0VN7hAqR1IxsdjwJr.JTmPcuhVXL2N5K4xBeoPHmagUKU9ODF.dbXEgItxyTy6raeApuwax_httnchZf6KZh8Z4IrabyR9yinvJYJ_qG5Ds5GZUidua4De.xNHHkbmhuv2EG4D4NjkZS9ELGFnRgSdjncZo8MTDWcEYIN91HS2mYHVIsTAX66NAi5OVAtPoq__i7K5TTqyyGJQwjND4god8Q6RkKzq8o04YkZoLz0Ru_G60OWIEqrGsetfPbqcs2lgkNe.AHQxxyET7EXbv5MVhlyKioDV62fmKHfac0LZ50aTPXY842o8U2J7w17RFBVPWBwwRzsyZquHAZ6PsHLUlA8oKmhE1cdEntJhjTy9Yp2SjCOGRvlBS3C8XWh0VcQ.iXL1FvWiAzzUiEvHucKXJT4n5JbWsgu75c1HgPcmH8d2phE3pIf0zQeTaOrboPTSphz7B_FEO7DqewM7ozZKcbM.Txl2m4MT3k_298MPgQ6pyrbp5ejQUtRa13UNVWScuxP_KDjos4Kh_y3H6dRLhbjHBDuiJ1aYq5pb3h0B5amXy9EUrLtq1flYus1O2lTtVFOK3Gdtlwn91XWXsK2P41T.7.VQYiPSsb5_vR0a3bGdPATbArxRYLkbDLxDZWQBzLaOJd7AYDNdCtbFLPabuFFKFF4XwMIzVEYe5RyIxpCw_applvnjSaH045z1BQj4YlYuvNLxfsV1fkQgQ",mdrd: "5OUabDXM5VGHmFU7raor5pcw3P6H9r0Vu_NOp4u.JZo-1749263466-1.2.1.1-MOUPwrXJTFfwsIviXlDmY8EucnR0c182ALgPrtKzg9msPUJyuGp9omg2Lk2I8EQCjC3ard2WxP6uDZnJ1hFUhMEjhVfNfmYbt.7Sm_hBnhowhZvNCd.eW3bhggna321KfOq3qn9TRTPo8PloFVcct6aWtrbolgQMZecUGqRfPcGc7xH7cCxmcmA02.EhtejCwyJb8dJMW6L2AcKbEkqD23ZhrPYdOXCnv8KVaL_G8Aqx.ffjKWSPhW19iIYktyDesIxjNP1Pn8w_WOc9PUaOgcL.qpJXLELRkQTdMKWw9S4mryTUl_1nbw0uLIYji.ydSPAFpkCVyhGIAak1fKiALK820J_6N0Nlt89efLEyMfCjAZRMUMFcf1s3ySRsHBe8.HCQ.cODfIDl6IP.Ir3PNdH4obu.q.qA7bDvLQInuY0jabgNkfAyeGROsBE8DoZy3KgJrpNlTiYxBXhyuqGIVUReHG09griE3xoVv.S.Dre9iF52I.MKAIeW8tQNzrSv27xIZCz4fVbOO7rscxxQCcmJf7JDF5O_UH77Jh69qJdJzB6MHXbnOEzwdKcMttU33ld.c0Qm5WUFkbuGOd7p_3UCxVidz6lf9pw41232kMEQWVelrr8ofw0Gwk.LWroK6GqB.J5fuNGCIqhV3wUlGelOQHzZA0dpOLtM4O0U7jXv2qirqYhBt1.kPOO_z0oSJJ3._3sqZ71e..I9KyQ8FPoZJvBcktM2Y85mGWQhQIzW4zLF03GTTxPnyujU8qnxX_4sGcf9TLaUFt4poPB31dy.daHiuGknCwUmFBHnDhbCy_VdAPJ0DOBEqSdIT82om5iiMeMxYHms7DwMm4UqwVEcylKBf1qNqYLEqfdY5.B9GWg.UOwoZ81SSFPDospGfOLiP9X9GmIRtDFELeNIjWZ75iW30LS8HEBd8AB6PUt8z78sh3pXAWB186wdrr_SWVFyvJqmvgvfEFaIog9suMpBw3Ue7HpgPpy3qXIiQcB0jRE2R0tYDr0i_hWcWGvcfLbi8St4_17P7pcVkhhgE1shyEZAOtgOXjGU4z4kCjn.nWGkM3khfjFVVYw758OptoYrap00GoHM.FdXwSpgo4yy8O9aN9_0FJihm1_Ay3GSi1L1WcefnMdgIdq9NJqmgNxVzayT.Z0q3JSo.sdt3h00NfHsfV1z0QNYHyN8LO7hLfHdpCxOIgWpu3eqM.fdLhOyTZxHOnEcSix0svk6E.o7dSvXJHp6hTb3xiEOh3wFfpahOE0M5cJJEOI513hpaLMxmg1c08fa11e7MZd6lrMOM1U.CxL.wcocfxWCrRWTli0UQJxnoZqNksEjB0XMK.F7x3UecD9TjPX4lXWlEJ_16J3Tq8uOcP.O.m1E1DoQHgm48mHNphwdjCz1pR_D723krl_jaIyMVaHSI7BrWWPqhZGzt.StPxgDgUB2OIsMEkCN_jLobk3xHPxlFFxUn6wdnpfYSPxdlPukGt1qrNOlULxdrN27UvhWmh8RJy3Zcab_xwDsCDr0ZOFA87TcbWIM.PtFkbkYl.lydZbe3Db7hz2dEJkafUVmvpWJH8419JP.PNZqwqsn5hOVMqJgmUku82HEBZJ_ScqVx9mO.ezGTpJujfF5njEMb65kJmm4griWqy4zsBDk_8iYz_7oTD4mcSA7Ciu6UVCvj82g8ZhnrKz5aEP.sGqsZTf_s45mPpm156wOl12nhLtGHNrAH_CXAGVg0J.XxNaH7GC8PghVkfqsbRMTTuWiuYdtdtMiZdlQpE0gJV7HgWkGM.Y0ivRXchPv8pt5HSGWYiMiiPv5mdZreEKK0LeircQ1s9uFnIyR3QmZSFJotaywjFWJQkqZdZl_s.G4vCp6rRuACU7K0Qvfxl4HdT_j2VAApwrxDnM0rysfuw4uFrIypYo9"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=94bcbb39dd24a504';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\/6940357182?__cf_chl_rt_tk=mtRo0IVutHYcCyTu3NYIgxkydjZEboQeiK6zjCA7JjU-1749263466-1.0.1.1-_7TneVKgfI8p2vKjS_haIfA2kFOK7Mj4w_LTAUjRtuo" + 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
