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-839688433942.mit-edu.top",cType: 'managed',cRay: '90fbb732cde41781',cH: 'icZGSwuIsh9TScFfrSjYaAKg_ggochxBcPJKw4FAVMY-1739186486-1.2.1.1-jSmlvBGiIfLz9rmyIn3a6UCGzbASF2.xeCzPsBkriZbzKlAU6gjFGTrlQbDWCBlk',cUPMDTk: "\/post\/3648095271?__cf_chl_tk=y8yYHbQn6ID9X0qPtWyRyZ7z2aLYewqJtiLvK1y9lLA-1739186486-1.0.1.1-9O.bLb7srN2rTnJNBdPwXqtqTQpdHEoxcv7RgI04uMM",cFPWv: 'g',cITimeS: '1739186486',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3648095271?__cf_chl_f_tk=y8yYHbQn6ID9X0qPtWyRyZ7z2aLYewqJtiLvK1y9lLA-1739186486-1.0.1.1-9O.bLb7srN2rTnJNBdPwXqtqTQpdHEoxcv7RgI04uMM",md: "SuHa7MxEZzBpc9rcvRhBFDYnl4LQSgwz5.fhujUI6OI-1739186486-1.2.1.1-L5AmLRWVTTthK.QnBMD7qotQ5KJFmMHgLuhXUNES.4xLjR98Y257MIM1Zw.xGoC0CNCCaxzb3fD40dKujwsSXZ3GBWIbbqguEv23iTGU3iNVwMrNmjR38pVHzlc3G3g2I4QrJxl2zCKITiB1x0EKnxkzD6VkAEB8Xy5jW40baHkyIEXTOpMpkMxfeLyEiwICNEnh8C5O2Ccr51IIj.dS7U7DmgfH.CFKBOHJsejcHTHzq3kIT5SSl_7w7DdtXBHix1g878sca2G8RoJQdo7HPxMAhlc7osKXTdCXAtQ.BpG.2Y4BmvbzkiMH1qed8Zi4R0qKVzQbpNiCtk4UnZeIFQb3CH65sXqqNyVi_KoP4rGAtH9MCDMQ2hFLzWYtkI9ozDKuh_qOaQzZR62lZismz8PSLihSGSm_AvDuWsFpIMt1K60tKcrO5ZbeLjIn.FSyW7RtmTDPlthz5toeAqO8gVGVulFBYj5ydZEYPMmkwPFBjuLB6dSx.eT9TN.z_VZaK2CKh7ZthgR0rq8HRYDx6Ajn6muf3vrPbWPOc5lyW8E_ykT4WaJPO2cnHRGHOpjXhqBPIUQuJbYL_WVvbB5waRzOznwqXlIdfvO_u1K51_ssWa6VJbT2SISu2bEWVQGk1pfrEUnLn89qhNMGI4aLUI8m6Fysh7krbWm_H3gzInEDfqX8lDSMeYZOg5bEgcz3YP_Ybyp2mQr5TrKFaUBypquWviwIBdr.6m6gKqoXiEUEjlXA5chZt4eNLRl6XecYLI6m5x8av8DW4QyrMCLOcqT6WaCoV9FPSjGsnKn3pN.UqaxTuEFqLrcYPR84R4Xb8mx51861bGhKLyP3qjCp5s.xAuMn1Wz730SxaKA__CYLz7.d5lPTt6YEFJEWAbCk2f7NnQ7LVznleDFMfzMl337fQ6NkCjeeWkxZcWdiIC7Np_rQGaGow3Hq3P4IxvQvfBviFtXAF4xK574pYCllDIV9Xyt9D3S8UFJpT06u8jQetS_5UzsHNxpFZcy11cMryxoq2NIg0QklcaeqTsUkK.vKHTY2baesBhne_PL_JkcKkfrmB6OqLoGr3RWUbSIqspRRtmo8x0fHxhYZq7MlcU6nbceYEfT692V3THCeInJHtPYMlMeSO2rHBhNSzGlh7AFkhIUKaI_OhVIq6lC1MVJUIvtKRGj9vaAyHXD4LzNrO5KmHCeOMYmXbmUp3i5KAny5TxJgSIt3cVzX0tAFQTXfUYsxNTseh_MfPghKkTdK_DXZ.bb6e4Pu1rMwIjXb_aKI21lAH0VHKAp.SzRvlWe1jWTqQv2IoOG6sF3IzxkNg7YGDDaZ7zdSiR1eQAuKozbmw7Tx2aFxO3S5KveNEFyvaT0lyjXdCiXKoAOAuZBokPyIBqGyI5i59MBXhWwHXmxSB6aSwBoRtK68exKfjNzgLf66qyd63dz1Enl5Wg0aVmvrBnKbrEluJMCIUKa5SDDtHTiYwEvQRNohMzx48F2c7fGHYVIjEeo0GKOJ3i2dFhNW.k3ClGXsyy5Jn8K7PrLgpfbCJv9mHPVEuPUWzihkz4UiJvCpvdBERSGTk4.rkC.azrAg16k6RVL1wsWJGKEczjzkkTrZYPXvucjI3yqiUEWL41i3Jr4IWcP8Ypwv5xNiLVTMGQG0DcMXFW1virbdykVsBm3er.I2VFPsQEN3AokQ8NkSpTrABYJCNB1SI_xs8PWn0.ZfeBOn9unqtJsjuQqACdb5PaQwZvqmnMAKxA1MO7nVRiu1kkwfY73jUcCacX2mVr8Dm70lQdpHaCtpZwHvpZOOuv0PU83n.0wNaeEiu0ma9kkziuYsvJId8BF4fLBxAbDJa0EjPxsNYIzcizmZDvRSIpGp6W4N7YfMztqdvzrT3SkkplGZD.iRvNbbBuRCa6W3Cz78H9qHpfBKFx0xgHa1KEjlrcqrGO18oVFC66wMDOVrbQW8YyHqutE9tthlgr8a5wIK3P1g6HA_DQkPJsKGwLHdNjDsWRbrvBYgHPtJDzCcDSJS9y86nHDTjc26oaiDcWuWsUIcOFm0WILxy9XpAjUE4OXFvqSrsNM6UpjRWNEMvfkn0MzzXZZDfFL7SHmmi7eGyhI7vhBLhtpEYMvI3Rp5VfmgJukGuWjcm6d6gU0GyC6_S840O5Ool7Q3H0y8Cx2YjTJXww8MI7y930wGyLa5BsPMyLZjMVMGGoVjLrX7crbBPOC_PfUmpd3jpwhZKBH3bVto",mdrd: "CQ43UvL8i6_jWetivCTE6oqEwk5Zi2Fjfu1fLj.I4k8-1739186486-1.2.1.1-fXzaOVlDwkN3EoE0YoIjvGTIPD0Uxdcb0E8B58U6qQz4Dtnc.DdaDSaUD3FbCq9ZTk._L4BPQioGa7hAHvE4.M0XhNgeyGBfxxcj8eSoUBrwG3.VD0V3y.Bdr2OCWyJEf64.5dDCrw0qWI5GPK7hH9AnrhOjpvd9pBvBiMvIbqcU8cxhYIHzCAQqjSwNM9xIgdAP78gLBJy2qCKvJhx1I.VOrVE6YB98lnehj6eDS1rIoOAD5ZTY4qLkh9xQKzPa6bUtasjOdE8b4WpBlECkJssRlbT.hSK8vtfF3BQypTH9VU5fBN2mbD.a58y9_xoeTbzynTVoU35k6M2qL_E5vytPI3_VeyrMziuU8gJkV_hNipGT2hZ6RphgNfcJYURYq.UJCSJtUk7T.UHkD_g02Lap1UAWRVANCPgPFBlXgMR4bseejMqH4br2B3C3by9mvJeoAwvhzIMfJFT9amt67hIhahnsknuqq2PRKtlhYW2IhajvHgQeHIp.f1w0LE8toSuS7zdxckFWDDW4TXmIwX5hiQe6ZTPkLtaJBDKP24DYXbgrjY2zj0uDWTehGLPWB.JJfMchrLg8.oG_AOe20FzWvv1q7RlVuCJhox62BI6JPLKdyLn_eSKQvGYhflbfDSZz7H4e2LkO.sCEZiQuSK2gUpyyvzZ4YAH6HBiKnGjmeQAr2IbnHsWieSjq_5FX13OCs8Zmd6MfKIqkt.bKLPEUsxP6Pi0nup2OcyQDHxrxrsDczQBzAlspyaeQSFMttVUcL712CRbVaTI82Uc1htxUyVqdL5dvVIPEWEQ7kyDsppGBS7GZ37Nat8Ox6Kd687IlGqSF2aR2Nngl9hDbijZndOCyW9QjOIKZascgJd.WPXErEpq5XkWYsPnMsgylLFJIOfF.pNovEgOBSfSC.QUX9kkEth4CA5.YD0vnooiFakmyIzWkfGpsxeRWAz8nf8Ah3c62B_yU7m6_MI_Y5sASqeV7.WlemtNp3T0ozLsrQ6SXv3r0HBVMPC_MyLZRDZSXPfsz.AHl3N5GyxF1PtxEEwSGoAfMe8Krh_qQrJvCDH.myC6PClgR2lo1RLykiP8k3loExXq5BwVO.7bwYPu9MdyZ6MY0DDZ6cOvaMiE1_B2dDlSp2gnkdcJPnWfgiolweC4gAzdEKAG8YIOL5KaFd3LYF_Pq1SFp9Rbf2rACtn4FBKOBcDQltTZBCVcKBOCNl50mH7F2AoXmNxQ5C.lfQ8jZMTFvVZ5B_aTz8IcXSF2Dp0X4MBgcI84iueDG5ARXvDOcU0cl9a.TtI7fEZW9uT47ktlJVqxgtnTM5WpFAewIYHf4m_PduvKiTsS0jQGb7f4yhxmeTyyiaOtzNoUpavSoyhziwZwj0xKPIChCkuqXmXuAImZnV_S_d3AFIM6JyqMJemw.kVTozy7jN4yAhEYUv0ltJnHQHGC9dYyZGVeP5PJSPDgNdhMxFMdLmq4zkYxcEh5TXLKlDQqbz8deBda2o3UjptCKGeaNKSXDD9rO2.qIcHtuoRB6f7Q2Ha0MdZ4VK.MCL4zvEGJuIMyfpPxUrjfS5kZDOPz2ftRzHVE2YsfXNG.ZCWTU2YeNmf.vCpEIvItIeHf.h4TtfTlePZNK4ZXpASDSuWIUcnJaolsf60DSJOvJBd.khtjVLkGJptmA3rHYGIyklORXtIgeVCqLzXV2A9c6TwHsx1mm1XS217.ibPWW_OcMrpKiZoZda81gbT_5cDIjuyMMkAACegzgNDZLL_xdh3EM8VcE0gDyoGef4e8yFdWRtAGiG0Ib.SIg7q6MoNj3GZztzkiPmEj4t0lptFAgWTzDY8M"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fbb732cde41781';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\/3648095271?__cf_chl_rt_tk=y8yYHbQn6ID9X0qPtWyRyZ7z2aLYewqJtiLvK1y9lLA-1739186486-1.0.1.1-9O.bLb7srN2rTnJNBdPwXqtqTQpdHEoxcv7RgI04uMM" + 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