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-2586401397.mit-edu.top",cType: 'managed',cRay: '911049ea895c242d',cH: 'crA5HV89UZkKKvLmLjh88hEsa9auGA0GlO3JQpV8ics-1739402210-1.2.1.1-.vsi0WJsDcX6Nl7ro4affwlQtQ_ySxWcsN6SWEaST2rIA63tF1K6ZyEDJ5UbrW4R',cUPMDTk: "\/post\/7658213490?__cf_chl_tk=KF6DnEVEhh7.mxPvmtMDldpaiXwGgzPNDKP1Coe0kwo-1739402210-1.0.1.1-iIE8Tn4Y1UEpHOMEXskdYwTg4Nw4W70ZtZy3pddUduw",cFPWv: 'b',cITimeS: '1739402210',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7658213490?__cf_chl_f_tk=KF6DnEVEhh7.mxPvmtMDldpaiXwGgzPNDKP1Coe0kwo-1739402210-1.0.1.1-iIE8Tn4Y1UEpHOMEXskdYwTg4Nw4W70ZtZy3pddUduw",md: "NXFTxcJGm8a10WUFCkza3Rqx9EEFtNlE05_XNOArQG0-1739402210-1.2.1.1-WCye.FRZ3pIzwxkemwSzTj8XTuKFarv_gA4UfUC3b33AbU0IcVeKpDkyZCk33boKmaKJS6y4WGTyoHdT5w6sGrDoK5K2j.mf7oLm3skjzuQQp4T.hFqh82RM8u2Z.I1pY9oqMyFYnoiQAFsF89s5XU3EfoVBOC2A6._G3oC3pJqKHyFe1rzt.LvFL6sGATOOdllYA7e0.BuSWZQpLItSLauFYQIQAPb7XEaZbP8HOAZA1bXTH_fcftULeVrrkoLCr6PrrerWrXZfMQU8g_uloBak1WAyT0cr6N7H1o7r_qT6ts7MHC4Jcz.VLRJ66ltu9l.YFYU1IOxacF8DKvFmtO.IHuggfAYHGL_cn_CqEc7poGt8Zgr4WyDq.oHgnNm7JCDGXf0zIxak7j.qedZFV0XnLRJXBeMIFbZ66VBY.ZWMikCop09Wjy816Vw2SADjCKHKi6ZqsLqla1wt49iPujOHCLcQbvVAkMM.eIxc9ICdr.d2I7yjLA4dNsw4m8tE4FVUzjfI.uGOSn6vxpGULAMOgGLq3XN.OkanzLzImeoH.goIbgy289DlcoGqliQZkEFuNk786H4PjQJyTjdFSeqaOWzqMiFLDRzMG17RVQfcJJTeTiR94EQn3y58dGd_lUKP59M08n_RC1f4ITsBqvMeY3xgReSl..UIKJMkLVNSBdCpRw.a9qatFHUqROXYr4VW9_4EknRAsmcHabbHbeaj2F.UH6_fS3pA0gXuLIqO7tt5F7EFTyfgA4WqDrR0usQf7an3NcyxjAB73BUtxymZGZtIOB.xC.6hnDjdHfsCCn1wz8rayBaG66g7aErWA4Z9cJyYTXgbkulhEiGlea0bYOio_AB5wCu2QRJcEf56GvBecDPbfOEF5zF_Il5eR.2HfikVA_l8VyOhi.nzDOpNnVNvj1.vggpvtJlMRpzefOP18EnBLyli7zOagdt.1u5nZ3nkpRLZKttX5KpXOddVYDOLGNRSIiayuMiG3If_zTnTEN8uJE4QeuP3wkpPh6MtdWY.XHgM1ur1gwT2f7D7XaRhmn9UUVcg1PjcAOqlJZHQ.S2M42JqM8zcUAz76P1WVkJPIJKdgI4yTyPB7NZi_z0eJqFbLwGQVocxulrwuZhjKqIqA4klvceszZ7JFN0DFbXueecgwpFD5gR6FCD5syOKuLv9dP37HInenFKRNqjpDyF2qEXv9MOJ1gSCWxw.TdRAyUVP8Atx9ibXs.OcLmni3bmjxhEEKQ3QXOovcWhH34Jm8Fnc7g438dnSWfb5gjL_zDZjRXFhhw3.LNtmEo.tS_ghEJdlJozy3ixmqO9XMd0H7RNneNwS90p_fSHDWqjcbQWYAEx5JgBr6I8Up.zZAvW4lYgc69RJXhB1TVGdeHLZJGUGvJ2GwqIqS9fOQe4ZPW7BushMN6ekzdhpc2F2FI3cWB4zcvIz_mwRa7rljRBye9HSpWx1v9BCCQTVJHmUYwOacMBuUDzoQMpaDeTMw75XSmnsx1L82cpyQ.roPUx4zKhD5sg8b6qxJCtpf1KxsQkruz.GgZZRpHgnRdfZOyQDBeNo_r3RB1QdCwTLReYvTmSDog24nCribun9IztH6TSuEa6ObOCXiuHkQC._YZAJPd.xNmNJB95nsmw4XL5ae3jJvkChlNTDFwFSEk8eq0I48qByYrJTCU2wkKuPNTaMMulCXQB_go8e3HPNMfEyAbPV4ZyNRipusUPhZPXfEiExa46kh.jnwpFiRkseZISCved4h5Qp0Tj9ftk9_itXHa1oKpfR4tnIGmnkf.Yu_thOzMUYvyd3TNsx6jJ3bVY2Tv720NzOrExrp.6GciThbEE58PFwhbzpgnZbiwxS2O1KmHBNTjXKVKrW5M1XY9e58fzeVqu07g_XeffH8FkKfSmf83ZpeHnoZBsGkxaJWqAuEGnxcHtCgAWw0V.D6TeK7ke_jl.zBuEEwgiWxlkegMTbJYLx8KyLGKI8x66kA0mqYxEJlMUcBG9q5U4ige3Xm6sczye.0k1bovlR5kUGqyGEb9LuCy.8Lk6tLh8ErkUvu_4CR98Xi9lsVuStGZTQ4DEf5sCpSKnknNPJfBQU6aBTViI6QQFFMsTvjHW_erNnyQjubtCVkfIIsBiVy1n6pzk1AGuPXacUR30YGRBqeKeRKnaxzgE5d5jPmAOgO_XY3DAZkOTIHr9c.ituCXmXhlxZn2D3OQ4B1.d0FOfhP1zVwzaHA7ti",mdrd: "ZeU7tJmzf8Xj9PhdymlE7tqY1hXsXnO.IaDiMykbaAA-1739402210-1.2.1.1-4iI0vh2z1efGfHjhEJCqnhjilKJ.GT.1eUJC4ummxhhS67ITuT_LjkciFKbpiz1DL.1OYObBaPIOoRSsEG2Fk50ZUVa3xxA9kOpSgOdEuY0ou2JdJS9bJXk4_vZMpBqhLoq82G_Mw2DbwDAleKSZAtyekZiTaiJvuH3Grdk5XsqexENnvdkw90HaM_IB9Skj7VGOskesiPW_qstmEyUaR7rnR5cVfgXra7Hdb3Z_pon22WGkSKYay7QKqMzWxhzJqey6QnJOoDgSYQnF9bUl4QBcEKqZKdKfH0qDPXIc3cxuviLsq0upsfIqsWMBF80XJ8vU9ITrpVlkvkT9AD8GOLWTFolAzSVUdNBjLLu2raJJySn1lGyrG4be22lhdiAWFYAs64FeQu.LK03UxhNuURqoCtxqJPBnTKIrYcXQRS_Qh1YUQulUocO.qn3uCIH_C2x1DVFsaZX7NyQC9PeS.ySE28xUDVrXTcha9MFkr.Ixu36IIkoE3HgXqnixWctPXNvTImCm5vCRytopUWhWC3UWklBUcW_Ewr0g_GiuUpwzOuPJknxJ_uFuyzPMkpHHWLhuLy7o8Uk7VkA6jjTo._a3Tv32LhXwpzCtpnHvrc9ZFZ6MkX_zBZGteqpNG24b8bqkftGGC5r.qEkj5E_vLZlirbUva1iinkBkJ4u5ennhZp1ZPQrZd0zkBZ9VpgD41ArHcG.mwVwupDwJ74ZkOS9m3PSFZe8B7.4BMKOnYVVzbmjNpnqAEusRTgqXKQbnv9aRZxhLsOwg48osMmFFwjLGYOZB2fj5wZPqpJQ0ST2TESag9S6BO69bPzOj5CDFyBCcCjsHcPj_Q3W0fzYsLWCjpYmtDjUd22aGDGkNMLQP5MXI25wKcIsKBNmjpE4KtGAqgR0O8UihQfWwZCt7.Gt5pyqzaB3SCLLGbk.KmF6E5_Blh_8gkFD3.zvc4peO6k36VqUgn9tltC17fdtW6eMed0BpQpCxyQ8E.xmMio6C24KYmeEjs6.ZWIe31s6A9.bgiGLBu_jPKtnV1Kn0cZLeuN0u92FcFnKcvPaletKrUFA_1E.cph3xx8M61DvKqg0Id4SWadqp7EGNYlMuB7rXrA1dVbBozBs8qVpAD_y51nRoKxasxVDPpCPbsJ.MGGk9Aups8o9BshqzaZJJV4fCPUYcRlSxlB.gvnE4J5O3GHN.r9RuftyZx3.4DihhStXLAxnTAVq4UyPFJBsEWSLqzS0ru_JPlvui3QeBLkgeK2A9u9zp_w7zos2j9ZQ1Y_Me.QV8M8EzSdVYcx48HRYj_.7H_jbJxLHQTDa3cC0mpWNCFTUsLRLgsDyLpGmZMK8IMu_OJy.4ZpPJls_ZihBjHqPEOPvfdDSBaWBZIc1a1vttOu_.iiDvwD570tH3Oy8eQ8GI7I93F74B1hIn1IF8LSTaeVaskI.eNyqHDidNVhF30gtFd9.vyiwVYbYaEGQ8.bVEvIebrqC9E_G4bQW7jzJLsraxrqd636GChAoRKa_8DMiRFf4xhg9rV.ugju29QSY_x4L7z3c75sOdVRxqeK2KrQFw3LTMuabkN_2wnVOp3S25rn3Rz.cg4cU6quoMQrU1Xgd5yvHfAo4WwQod1511dNxd7qo269XKaJGQeOpO35DH1pBnbiQ0TFq4bt3MuWdFIg_o0jqP9TTe_GN7.9nsfUNqWCSGHnVAyrB3EIUy2fvQsuWLm4llHVNb7cuR.Vdb8PUAWxnNh1l4di3N8F2oCGZjst5Q52kxWWArExR1Y.fHJRi8Tu15EsvnIKIhvrySRPQ2tdOkbr9AIIlJUkshiE9MlGD5DyWOUhA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911049ea895c242d';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\/7658213490?__cf_chl_rt_tk=KF6DnEVEhh7.mxPvmtMDldpaiXwGgzPNDKP1Coe0kwo-1739402210-1.0.1.1-iIE8Tn4Y1UEpHOMEXskdYwTg4Nw4W70ZtZy3pddUduw" + 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