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-397216652994.mit-edu.top",cType: 'managed',cRay: '90fae6f2f96d7fee',cH: 'X8Ug1FmLnFsvtm_otivCCFl_jXB8oQRgqShZkD_xDNk-1739177956-1.2.1.1-z6QnCfa.OsPtN8k4KT2q16j397qREFYnedgxBMMnZ764RjEXN9RALD6fQanIz3ku',cUPMDTk: "\/post\/9801743526?__cf_chl_tk=U3Xq.EbWaTqPneZapMii1mPaFhinG2TvqIroBv_TCHs-1739177956-1.0.1.1-oU_McNVI7BYi9r_mhIdpFOwDJ5hauUO3Wh2Mx8Ujq0w",cFPWv: 'g',cITimeS: '1739177956',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9801743526?__cf_chl_f_tk=U3Xq.EbWaTqPneZapMii1mPaFhinG2TvqIroBv_TCHs-1739177956-1.0.1.1-oU_McNVI7BYi9r_mhIdpFOwDJ5hauUO3Wh2Mx8Ujq0w",md: "R81WiPCYcObPhGF_G3Z1Mm4_yzgm8dXn1GegttelTCk-1739177956-1.2.1.1-a0TfBzDhw.VMHeHiGJzCEYPKyperHmGkIjEUfHfCjXQtpqjsoqetvdwtLcgRsgvS9bE5ATuoPfOUh.E6qPfyCcAX_vjh1sXgrto7chhf3Bg2RdaA1ND.XIxkgedvecQJaYIHXCx6hbDUI6nGzhT78uv_buNBETUrhLR3vJuXpvU2VeuaHitNSqetYBm1PAdzYgSPY_VLNEjOJMEqicsNpUoV_boarJeG92COhnDFjSciyVi7qYibRCqtZlAxS80TC7fSNEDPNRGh54TN6pEAMS80AdoTVEoLPRY1D3SCVGVWGpafUFBEM0N71KZfpl9RKBizDxOlXVSEQWcwsn5AXRL_5JAZbH1qb574lee4CYQHZEGfX9adr9Jp5lzO2T5i0VMupFgZbZxJf3fbvzBmjlAlD60W2G4WqOcS1QFJka6GYavmPgO6sk6UQ919zDA6Bml8DvGWcuevLgDDcBXpMkt._ol3nPGlpi9sjnKkQxyExW9i9Rv7nuk6c6B.ea2AbksubxlcK6HgSV.Z_eTa2rGyMaDh3stDLbs1ODDC_y4bZz7nfJa0FIof9NWNK7ab25yUQZ1L8TMU6BHVGWOtPpercL0ans10CjqkAY4DFgCMZ1pWNsxoLXv4qrmi5L0OedQLzluAikhH48em09obn3.SF43TXQHl5ZHlZypd1aH8ta8J1B6b.eOTybqqpl3puhKBPuF.gA6L5z8siS3oIGTbEgbQ.qv_bF7gp1V0aQ34EQasAn9yZr39UZZV9WIExlTtzof15gGFD_9bXpsllhr2eP__7RjlHGsXIwqBbd7qUKolbwbqErV0YJ7upqJmfJvCYOdhjYg2YKQI_4LDav6fqBCRFCYVzsKNFNXNGG3UAgWERDsDlSRg7uKM7hpKYR7gG2NoYVNBHqoiFww1Z4OHYrv3gBvwijtkzB5Sq7R4ggCSdhlDAudjSNrR2fpSqibsdoEc7.pXwz2c0vEq6Kcu4LrTEvzHiGL_Sh_2_uMFTLrezsJ1hFvfPSVuBjCaW3wAR5UD4EiOukD6w9_0Ps0xiIbQgGK.CMhzdXdFrAEN2TOr_hG974M18I0x21_TJympuXaknXd6APLpgj0TAoIcwnSM6IwDw7RHV7_fFDd26mPT_CX0AaSzFMUqNYZ59SoCZEOcQ0hjXTEWHGcGlhX.mOS.HAxJnyYsDA4ST4m0LAvjAvFT9bo3x0eyjXny2kPKQATKZcWcMaNGWznmGO8kstxJru6bYMB2dMDYe_MS6SpZwv9xKZmiHt3VBj78itkZBp.nQfMKLDBY4uMhZQ.Lz8TC_kAWhlr0GFbiTb1I5k2Ue_3MsQU5EQjW5u3oYkrIIs0d27cju1ufC0sMlhe6il5vBTg3PGF_5BROSaivoQ1XbCanKdG3sV6H5XnR5WeKqhWv82gCwvkFTOnS3_DUy67ohgpW1IQqgpytqOc8yR3YFRzsxKK01OdTJMkY1tGvF09XbJSNBxmpMqMwj67uHJOL8G7CPV0Y3IA8JDIuDfuSVluOGD2b_C75XX7yjoW1JnvjC8CBZdNj0I9wPrlPA5eV68N5Xsz_LqRtnTb1jHdz2lFj4sELOMuDtAeWaCAonjkzM1EXWBS1ReRgusGwV4eBP2N33BLT3C5o57UYSKQdXD9N8HjArLtcHjuxRg14gZV5DPXXCCdBJQh2rb0NArIvsQGy7vaHuBzLamhrlk6OJHU9njwwxw4sWjkDWsCJODEsJIaVCOtqyaEaTpJFnHBvsk4.o7ER9OQSUhv.9i0tCV879JiFatr9CQF1hC.vyOz8iuzgQ.wWlqISrHmigLOPY2P7PSHhJhq92FA2p5WvSjGdo_Gmwhe9AXEtxtVPoi7bfDakbsDd5woo76N0S2vYOWDLNOJ96Ru9l_Bu.z_z_RKj1WUoKD9rnmZkotCaRZfG2z123td8iKAXqCH16S.j9kS369qpMlO4mmzKHunvAevSfDBDvdYLF7B0t7o6pRUOYX8OZ2_bQF01SuM_5oW4xHYNQCRZCDMUaWJQXOJZQCEcQTahzUXkByejcCtWfmqGjjgWHU6ec6Ol.zMTvYFZjC9FJcw6DkBiv7SQSGGyFZtyUvZz_Fbj43.XjqQ5C66kbuzzDnl2f.tlCoUBCo28f1w4OftadTWqgkiML1tvTlma5mT1kxtDfokhSA5fLNL9ENxjEl52RN5tGkLBKHZGXlK2J7Imm8TJxgAqZANO.yU5UUN_qZTjGDfH",mdrd: "kjMzZshhWlnTATKSlOpSzrOrXGSlsDP7pq.UR.5n2So-1739177956-1.2.1.1-jHqD4wtJ4EfLRmLYwbIA2lCxu38FAVgGSivqyB.5htvl4U3Vk0FI6jPCgSFWVE6M74dda0Rhru4AFZqjhNqSxu7tTgTZl1HIUj_HaoQXsFSa90n9q6s2CHqWvzwUFhYF3v71p5u9N8BO4kJlGZf3z9rsLl0PmvFIeWMu0mdadpEo9j2zaampw5zHpNuSqZHu4yU0fTyMquPJ9IbZoR.4SCNobZl94TuNb.TbMHCtGH9UYghFI1VL19PgzF7bHF1VEkBAf7b_pJMBtCQj6YxO1YsfRwY7BO16e_X.VZp4h8KksOYIKldLUIQO3SG5sAoF3Q1aMRi5RTNyxX7_XgG4uU022OGgvVaoJsejfA9H8fozOLWCdJPt4zQwcuT8Hz.P57Ln0DQqgR0fb3KqThvfxdaT1uAIPTZaMJHQ9i3VaH73dLYVJ_jR.wJKr5ovMbOTTV_wGhhBs_dgum4sIY_AD7uhim9NFGHmUeVhYc4i0knnpcCj9ay44X_I4gSkRqAE76Cu2OBGlE5zv0OBy.rjE3iWqtXqiG.JlVpGhWEF8aPRvfcNA11PHUF0h18oNV2DTsGz7UbnAlmw_EhIZ7IbsV35J1eu5z7f_xu2yHank4eH0G0U6m6O8b0ToTBpjxmpbc7VnBm1ny05yTcNNqwlDQiyt0S_ZLMsVkE4DnAp9c9KLcjgTqVB171L_rVWmJlLrSH.9RYDK3bP559sy_eE4Q96RPIJrdocY.3r36x58vFaQnKbmRjWxYnQVREAuLzRN.v65YWbAfIIqwAJHfE95cnQ78OkGj88Lx_LwzWL8UNm0bD_wIL3lpnaWq5DzjdnqgFQc1GNXrXwyo3iu3O9HHkWiHkaZgUqxZ8ShWKp2hwp2MChfzN4Fpn5.2Uyq7BK0Glwr5cmLAXQNA80I5gzdebAE_Q00KtGK2_uPOuEvcVUBdOpBeFXoUnNHzt6gGuAVo52YK9ndzRvObvvBKCKd6Yx5JD9BrWTjU.Z8Fz4xdbVt25D3x3zEoiGFfMgzbO4gDhkq287UVlbesY6A0RxfeCUALXS8FDGwVSJLNjEe0AkNWTrhvgldZmeM08k3Un5047AGlBiXv1T_sGWgIajZn69L3DgtAreb44aew201pZcjoA7h1Zz0OkghmebFVVT21MmyKFH27qNlplT9MtA_uyWo4MW.eXsiytxKcMRnxrkDssKm29xsH1MhHmdOZWpLfXBBiCYsLCeplZFnlb4N4pfB3l7nBkxiL5GW.A1k2jtmfDT3CbvYX6a5BKry310fWvPkAKaxEOvjDpLVsh5XYz5LnniBnReD8meY0D0iZOhVXyHi7aKdKV5oYoFYvFMcgeqvjQIdMk4lwSWfiafjSle1JF79w3mjkQwbVHA_YtyxwtlOOKrdVNcNjPW8nX.pZV90Qn.VsNARd_zcZ0.juzmbn0sRzH0hnIY1fE4P1k4_NZ9JTJ418soKiiJL5PKi19cakeZhOSr.Qy4PjuRyExsw2sF97G5bjOtK.QT6uLUOfsfCXiTfPJuWkGgnGGcrsjwOEXJrrsNFMvZmKaNpKqaTNpYqLTRi42hbtO_3_r.9VTHTeb9rO5ZKvr49M6kGCD0iq0F2VQH1bGdXfqGMRRlnNhxuzGWj5rzk0BEuh6FUd7EQTB6WprX.DHrydD9fRw8bLXxgrCCpCaVx5GZMttt0v9AJp.i8Jln0kwzkW..7mrXQT1VuBPw912xzF6LDD3JjCP58TiJtpsvgNv0CxijiTlnAoQqntsfruFxSiYmfNC1g_4qf2I8gazfCyzOt9pTp6d5oJ72nf82otyv5AVbg7IpyyLB.6ZOKJoOw2k"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fae6f2f96d7fee';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\/9801743526?__cf_chl_rt_tk=U3Xq.EbWaTqPneZapMii1mPaFhinG2TvqIroBv_TCHs-1739177956-1.0.1.1-oU_McNVI7BYi9r_mhIdpFOwDJ5hauUO3Wh2Mx8Ujq0w" + 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
