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-891259437868.mit-edu.top",cType: 'managed',cRay: '90f7bb50b92c081f',cH: 'G7IaUjaDpwuDVlonwYzeGlN_6140vdRsaab0FXMvarg-1739144711-1.2.1.1-YfioPExvrZadU1BpQHXSpuRggJAFMQeu83vMl5gIIdYYkbikXq_PksCK3cv6Altz',cUPMDTk: "\/post\/8423576091?__cf_chl_tk=4x1O.NBYeRAPhrD2JEHv.BNgcGytdgv9LtasCyvDdm0-1739144711-1.0.1.1-uh2_m.UGqBxasmKnc5FOlhBAIqbVTc8ZBdvYc5W7dbA",cFPWv: 'g',cITimeS: '1739144711',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8423576091?__cf_chl_f_tk=4x1O.NBYeRAPhrD2JEHv.BNgcGytdgv9LtasCyvDdm0-1739144711-1.0.1.1-uh2_m.UGqBxasmKnc5FOlhBAIqbVTc8ZBdvYc5W7dbA",md: "QiPBDy_.08xLoXg5TNdECUeTnVqOP6ILiCB0G7_eeww-1739144711-1.2.1.1-y5mSen06555T0duDt8wiGX65jfC1NOoOxZbk7NNi1Y6Hf9oUWuoPEQmU5m8ncI9BOj8Jgn2wmf2YcHTMyFEzG3NXyMnEOcAq6ScU4.cwvQMgyRZmkWKCVNo.20nmdPbZrjxy8UXHhPF0zqrcgTg2TTH_E6a9V.m5VVC8SaUn6EinjauWRN_eEHGX_CTD4k_V6wwCT3j1vAXoGv5mfgPvrilzcGSYSH2s.3O5CAdWdyiBsR1dcBrFM8QjSxu_AGemg0CZ7GDPgyjPP9FQQ8kGav2fgBMFTRzlprlT.UNG9wu09aWhBcEesvHswWZv8EqKUEsv3HARM60bsY4Y9tPMtTclbNgNXlTYPs4VUCdAhF.o5aZgrjbDXgclSTLWtPB6IjEA9LyOrHEgz8cXXOunTz3qWOAd7b8qPVVfvqYEYEq0_OQIfrbtwXtRrckFjTYnjCyXA9IIjSBkxoEkylkA4ZacRF.U7CB9ZUl4MB9axxk5ZwHpghJ.zJO7pl1AWoURP1kHvSE6G.6d_Xu1O8.xM4fvzcXDPCP28hw4UE.ztA23_Q8BDQI2oGq.qhEyBRlAobvLt1nSNKKPykIIYVzFSR0C4RqGCUkUfB2Hv0x9E2BFc_uUgqY730.y2X5wW_GKKPr2cF4U7M1w8VEjd16WTvO.3GLB54_xsQOXuPYH7ovd1A_z7La9jNxwEUk9.VRbzpVMAH0P6xYpU0vBfRmmjnBq5UcFAqHMbz245gkrSCDwgoOAyZ5i4hMgTtJtZfIy5nA.uj_H.3yufjkwlqdrdk3dzn12w33V3JqVspNPvyzw7JO4qoMTQz9u3dUtY2UaWJDZm5Amnj_D5vZmxDzU38bLrwWW3tEuGf5e5EcP.RODFXQ0IP7JXTvIhMgtQhwLl.rdj2CqqXZeI8E_524mTwNbs.f2MiAdBsqqyR29yE.iE3KCf5evMQAfi4gRgWGwa3mAXK5N7LspoxuILY3hh.FuQmbGZzTf8Bz2M1RN_T04oXD3JRS46OCoXEZym.epBqjg4LtK8QfKdnI0J5VkuIGSaQAt5WzQh5xscsO5i5Acljxlt.tKQFH35XAtx_4MdeERSXQlkC0rqq.yESx64loEnQLPb_XLJ.MW_r4LY4VT0WyiZ70qwPR3VkqT2_EtD4fCo.AclJIxNUJSr9vyqUE5SEohHJV_IO2bWfvMzTWod4qRq8FCAagqOHARvCOPoDJ1yXdTBlWM8zELnxOq5W0BaDsDv9yZHLkI6dHhv0sCONWNfjSWwEYi_A9Xst6accEY5tVimlL6hlYRNyI_N_18_Dq8NP7O3n.DDCDtAUlcDZE6JgmQAmcdepZA57H6kth8t7CcyAfgt.1epsWAI2zkZhMBOfnaCUeCVpedATmvAaJiuPZZeUbHO4oa0V2EifGYJJ4n9sOeBV9esSQ6j9vdI3bToj4LAl5FtVVWgdt5pR8pVLp5e.qb4SRK5gk00I_LBRavxEMX3cKBFmSTgrsItEGKzuYpGTeiwAZqWUGDWq20.sPMxOOuRm2mvqOOgOJhdR7YHYhsWPQgT2BsWvyrOiC5Z9gK.kc81HFBeWLIkh6q4hrB69eiTCMDnjmXMVKjHAhl6pdglptWbwi7.r_Auz7HmO.2YsL90rmFIq0am21vFerjFu6N8gfzGTVVLAzIMC1QD_t3o6EaB7G3WgV4WOwy.YCWT9LpzP2xvXq4gnramQWJPcPEor9tPmB960IosfLvOYlEJH9JJWs1RVaBu4m9MfcMki9sZbg.9Rx.S7F5ALalN6rSP0CAIGi1JxzHRfBz7IgUyNvP4_IV4C4h2_UOsOS18JJ7SvgGTIV8U55YMfQT4XdBPNlv_u4ILyiE84orJxI9H4NtcQm4noI39A.5BP8V9DDsFUsyaqJz4YvOBujuN.AWNVAjBhbVPt_IIMuoV50wkPSI6FEsiDt2FSTHTEyeOF2eFVJ_uifpnyQ3CJhSiBcgl.ye5uAM.HIUk9AXHVcYxOAyEO_4reKSDrrTszFSgpANDvKsok0Mq65dZ6sjODYHpWFKLMOo47AdCL3txV7syuM_44_pFdCe0xTMUVVNg61.NNeFGtwYEEHOYd7lCCA85dv4ivYwOkxJ3MeSSwi2P2Kr6gOJsG.yoSq582jmlvV6ngSd80G_f1d5pon4QS8cC0KyOBTF60U0tCCeLDnBaUvbZWeck.it8duXGTFbnsxSQxLgi8W5Q6_aFtUmdoMOAQ4Hai.p",mdrd: "03RDVffN501H1EyP6xoG0SvsV0cs3eLghUJKHzuUI6w-1739144711-1.2.1.1-dxF1ZJs5QrxCPnALca24f2YjfSxA9Wf4OFPU5vFSbUhZ5g2HLLF2TZMbFL9tIjpCkAOd7yPu85GjxweZh15lPe865NZ_Xmt8mlysRnhQ1QQzzaGKfR8fhkY1.4O75NWAakh1jxT_UzjbUyGn8bHJWfTKZMDEiXEkwp9WkBgL3y_Cnd.GcPygoRtLBWBoZbWsOUjmKbOfRaqLaX19DUff1KFqxEgCxo1arm.EbL2FDcn3IfF.1sPFTkLVHSbwColqTo3OGnt986iOZ8xcCTC_WEBJEOmqqhaNSbJH19eji6vgnWAuJhSRZ.uYNJ79BtT1.PG_IV0TKad1Na2jELDnUbXSHV9BPsZN8TkzKOmISzMro9yeVV3ZQFobecFJbPIbEq0BYeNaRybqF6UXd_Wj.HM_UgxwM_FWTvBGvaYXxWxZSMi_DkYyegTn.OIZM3K.TxVHZXRd_I26Wf2BLzvU1h7zy2_b9ylLhsZnqbkJex0eb90bc.yzw.X8pC8DbwBqdOqUmEBF2sx3s_JstxdPqjVqPUNyYOowxjz8JseMwx9EnAG.vfUWRhyCGcPEMoeLmGfDEn7Nt_EONN10QsKlz24bQO4pwrmmtUqqvcP..WFbFo8VFqtnMt5tr9cUJPwgSofOe3OqC938p6EaavHdyH2j.Y1lYzg75i5c74wlqe2WtXQW8jSxCnj_gduDXeMYvmQrfbALAZAtI26CLEq0NMduSk7GtuLPi74zBgj8qorzLOVU5q3bp6eTwLkJLjwaN75MD9oDO3gC0CVLh1GDMq7ketO_kpyA8hOqjwlvSSAOM_A1ZQLue8RVqyPQzgrYU_398hSub3Y6aJdWIPf1Lk6lvyPlWf1_sJLg6tmk.vPirBP8sUpnH2f9BJ476c19aO1UgUjIoVRqgv0EbBcdfKrSHNk9knfNlktD_0nmr9I4nwofwkf5q0sXS_GRe5Z_8iF277UpuCYC00BQuU2DyKGAstVEcrt0Zdr8UoVwua.x7hc8JXPsgYJ0_PDHaehHBc39_k.dMZEjH6QD16o2pOIdgYq2c.Iyjt4RNPFry4kxX4ZgKI3RNpFEdy4UHmTL5HnNbN3K1CTW0Xcw6P4t3a5DD_bTV_RoBMwj_LO_15soEvFRmp5GC1Myg6xBxzkU8TpfUBLLYejHUjqKYRIpockmRYphTFxEwuj.WvnDpxFEarDI0.fo3DrFR4Z4p3FPUTT3Pilgm5WnGpe9pQ0Asn8KBrbPEzyfcFhVh8wPfpt8x54fMJGiterY3CxXSBYris_EwxhHuQ.j6M23qQbfPr5.I3BXSExY6WdQrHszWbp7VQMk9W46np52AhzZHKDRM6EJZbKkn_XG3kqm69arspKVSP09I5WJz.le2wwwOqzwmCg7uMYz8mTWEQvZDvb2_YA0KqhUDvaA8Zz1VbPfUvrxwHK7bXiqwAOtgtt3.42uAA_qCaPDkwlKWs5wKsDNcf0wOKhCZjXpYJEG8segRNVsKr2GORnTwKabFAkHYg9M9ksRdzzhNU6UZqtqnzo6LTi2Hfav.FCUCwXy.IGhqEyq6bJPRk.Wcuk9MyJHfIhXZp2M4192aMPKpcIMrJ52M64i114Z5evuR45pFSabYsgiauca6IhsKPu9P00fr8KfQuQDQcUcC6DwwFN7Y.l43bqcaEk0rIdrnxjRzCmZ5XEblyZUZIf0hbYlPO9gKR4uNWPMthTZzv96ZzJcxt4lOsJbsklMP1mPu0mq_VVYWGz2yBJ0g17Pu8v04dAFb0GlySzfmugwQvfKSc.GUun7thluON8z5ekPWfbkpJxELDBlxiXuRU7ubZxPi0DEpYI"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7bb50b92c081f';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\/8423576091?__cf_chl_rt_tk=4x1O.NBYeRAPhrD2JEHv.BNgcGytdgv9LtasCyvDdm0-1739144711-1.0.1.1-uh2_m.UGqBxasmKnc5FOlhBAIqbVTc8ZBdvYc5W7dbA" + 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