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-540496869051.mit-edu.top",cType: 'managed',cRay: '90f7e9be5f9c1ff7',cH: 'G6e2qLZCwFoImFRrLjLEelNiih1ZBuGQIigp58cdPsQ-1739146613-1.2.1.1-sSzlhjvFFRYcAV8So6OjNcSLLDDxPB2r3JfOLnhcrQmShAs8GrQAro0lW3a5DFnP',cUPMDTk: "\/post\/6148902537?__cf_chl_tk=jFcv2pezLsrKmD7Z_JSb38lpoj7LulaORR56Jk_.gv8-1739146613-1.0.1.1-hLDCSar9W_NZdcZTJFlenlHCHv1Et8peO9yJqXiO40s",cFPWv: 'g',cITimeS: '1739146613',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6148902537?__cf_chl_f_tk=jFcv2pezLsrKmD7Z_JSb38lpoj7LulaORR56Jk_.gv8-1739146613-1.0.1.1-hLDCSar9W_NZdcZTJFlenlHCHv1Et8peO9yJqXiO40s",md: "kzFzdcSIdbewFsZbqyFlw6BiqHGWqED58zqb_BXk3Qg-1739146613-1.2.1.1-6NQy02d8HmSgxu.YGtyup21t.FA2Xf7cmbk.IOBRVx0Wx2dll75Q_6EuOPlpXjJgf96RscHdfDfu.Romtjb4uh.Bvn7F5sRzsxd6n7TSGeN6PJfGePgYXUWgOnSBjUPzjQ0RLJJGsHjEnY70_KTiyXy689amGPKlQA_R84Il0avRyFnufPmPuPTSmcOvEhqvF0.5yM6lZHF_R2zKLb5faE0rEvg1D9mjd8EWJBbb_k5tPXWrxbl6hapJOrhZ0QXcGHBWiK408lJPyUxS.RN7avJlSdmDTr2serAyAjzO0GBQWq348zTOyU1cH6Pot29ksQbZDYx8RQyz00ZzimCUF3y.CmUf4rJxFjvHJZX0gvLIg6Z6u0VEBwyOnG70pgHBzvYD.9UbTM.0YEqyXsn0nsrZV_XbCGJoMXr.wY3k_PwEgD2nR4fw8wMtwOgWPdROoMmg9SWksYthqSpN2aU9mInFRxfLvimqmgCB2uMA87Th6in5mAUEd7LFwp5Qb2SoUJIaopLLw5Q6bxaXOxcv9NJ614cVjZlQvglPsiaovwFtmK6clwDI76ILBhNf8HXpY7s7P9IJp_Nd8c0tDVGvC6uWo3U0O3rrm.Dy5qg4_9FDyk.siWgilT.wLBDG5eG_SZDN3YLH7e0GjCDwPEfmnQtLiQpp.zNvcnlBQfJDjUL4VP4bfXEc.DzRky85sNir8r0G6aRlKfF3HNcpg1o_EbNqC4KMrDtO2xXZmY9FZiDp.tqtSwphibrW0KoJNQQqDqK9GCbAurTvFeE6QKqWdwDFPB0yA2wjzSUnETWM.PlkpVTPNL6qfL1za65xcUhmAuWONtyn1.bEEHGR.6HpNu9c8owjZWAOVuEuuTSC.xLl3Ir8QIyRq477Z43G8UWcYtDuW34wyVM_wmD7GubwtYvdczPtg6QMLgyAPNg6Ca82Xu5rQTboF4JFMuxD1TWeRE1W3T6Dw09IqeOH64bMj4Zd_n.Xt6t4ATxPVL9KS311tjojzfTXx3n2_UeaHl80r_ijpUHSxmgkX_sWnxLeBt_.CNWXFwvT0bkSYl7I5f8jsYaaE3uVpapqss3H6ZfgS54wGifUlQWjRrMQNa5tdw68FhfdLQiM7XsxwZdpIwFDkTR_OXSdTEgT96VFmbqPjPB5fXtiprZPbMVNMuktCuS8GwMInAQKwinK11jAPD8zQs7dKC.4bVrYlamIOjmJE8yzmsifQBnnDSlVdvFalHPcbJaL86NDI3yE8d69WaMkmRD1EDTT5aDZTM5aSKKvXijGIBrBurcqTu03OOLN51svWsCmOShwlljvx0oM8.ON2OLGdBzMtTeIt055wKBO.T.S1Fr5pN99bcX6lHr824jM1ZMY5FFHx3grf9v2OAbhhO7fMl5jBX68hRz5FF9LuS277z0YBJItbHM5AT4gHL0qB12ILLtLa6EHMkSHDo2_f9ss8ZTkGEC8._o.RJoe89gldc4bVZwmnHpCd8i4NzbJj_YWPKIHvPOJPxtrLBI6DL6jzVBi_eB.WoixAygvL0ecVlCS2At6kLHOzA47KRR3dWSgrpsl2Fd4I4mecRmCtounAv6nQe38rcgKzcHIQZ1jPUm_JNL8QRE.tuEqM5kpQ27rT5OkqsWSw0DbA.2y2ISgkkf_OA.nt2alZNwmH_MG2varfA436n4nkIehx5VL2EKNzVoY86X1MSUdqUwbRHQjd22Zgd4D3xF0SviAHSnC_Y0EJEdkOTRK.iPf3uX4uyTCRAIuVFbHBFZD8wJDG90r9AZhigbdOxnKwEB5PjN3uEBMXQwNA5WJ8DhS7WCtE2wJP7uKYfmSoopr_NH0kjxXFFzC7wCnZdoqcl.gK6HAfr2zy4IIVQLWwp_UMQZ7Dwk3CJC1VJeSKMaO1zOAcJqojNzrJEvODQJNfR_B5g4MEfQkz04J08A5jkwE06lTYpmmzPaxN4UyPVPicL9cCmmpGRtpvsgnSdyvFf7IM5D.OzSMOuRf1JDjqZ7Yr7w8DHGPN6gy3rvcexIQq0B3r7BfFkRna2MdNYkP3jfH0pUD18KJ_pyoC5pdi6aM4JjmlOAlu.1gN.5LltOKv2cD8gzd24wbO8sJMlKvcrxggTDA3O4KvdsgHq.1JTVELgPEhMJDVsm9bpXBiriZG_u5tPJNMnFXKlF3zlcGYS4AcxpJvW0lNv0.D_yT52CwSO4YnhxI5HvX.XxRltmDAQCYP_XjygaIcGE8yhs14hOI",mdrd: "XR6lRE_jOUTI6C9FNFnAditI.cqsHy8hiCxcD1pexVI-1739146613-1.2.1.1-TweThE..eFiXLXsP3fviqHDCKldW4qfZzA3YFbZaM7MFe1sz0a.OEvWnXueTzluatKEeEt.JA71TPybAtAIg9tz.lxYUC4MCWX6wm4cKloe2FGPd0zD3Rxa6jJy7Auo1yvExspbx2Fr_TF7.UsNg8CTLnt5f4H0MMg7xqen.vp2RvH7jAvjwzBHfMm_CBIDgwBLlcvpr4B04HHf5akTDeh33_2IZ38fLVUE.fH0er6x9mbwhSHUX3_0FaEyKvbY6iCT8qBpynXZkLmbsGEmk8UDffOVt7TzOA21KG2938y.fAX7JuIZ7SQE6rPBaQzhh2vsuETsdzbIMPUgi8CgQo_NxD2lt1QRRo_chhKwXdC8mmS4u9w.NiTGnpu9eB5EIhEC1KfUBeqo.TuwiJ1o4RbPzNDXqd6Hf2SrUQe8GvhsfTM1MH1d5MyRl1LtiPNV7JT2EYS85elrRj23FGzhbKbhJWmtgeVTyYPds6BNw4Nhy1DxOpw4K41yek3oWPL6LrnbdnFYDJxoIPxp.c1UVKpYq.pNH3ucFVXtg0FnpeI9dUGlmrMKeXmxL_zbB1xCaRp8zTgfA.fOIODSx34qG4.qy3.Cy2w4y9316o33awPi9ks6j1xjDv3uPxiH40st3MaJndZ603tvgV41YlqzyJUhYY_x32TRZ5NJ2Sh.OUmbzk31ummbh6KAa1Fvy54kurSxNbsi1FIrJ6cZSKjeIe7VAjlHR88EH7yLMZXQBrReMhxkThI0qJSyKID2EqfVuNQlbw5iM5GR7uKlTPVblVQLoPrp1jxEXER82PeddVmTdFmoOWBFdR5UGBn9xPLfpz4SR_7vHtdZd1v5y5f.qeZ4x4MUOMNYNjRoJAABGMGV5dTk03D976C1pu5.nJMK99UpK5wNlPJtrBVfXm2Z9wc23ryZmklmYYvn0SbVwYo9sJlKjAbkHJETA0gkrgMH_HTK91rKIc1S0mGjRTq4ru3WLWQ28gyrLPrSa6FkSioPjMDFGQ5g9A97vqiHPpUO2BNjgKdRtnTTfOXz5NMBnl6xQtYKKYOFHGqcYXfopPnTpumc2R2U6e1oLIr0EVQHYcJIHkymHvqd7QkhIwfCEQDtT.JyxQmXllrsEbAYkyn5R8MjaizWyuqk6SyN7tp3NBCjBuSVnWNQpPDTwcRVArecYwH2.CBUBtMEmLQBVsSkvnr1Yikqnhyyi4QnulQVyIp6YvJxzFkiFDpUdPGJseDoTIGb5n4N04LJOJajEvGvdx69It9DHAio.v.TLUloattetLKNPg8DUT407Jl6u9auPqyGdTvx.oAXf0hYlKxy.3tfWwUck1AxkdYYsmKi65nIbJKcunk_eteCOQoRz.hlv73GCTZiuqiuqdEATrPFhwrjnjlmwBXLOJiAUXYh.ucCSh1zbSBVEircl5vhgIqIr1TcNBdY.E2_VOIN2Ojlqrb14nbYq_Nc5nCrozfjFgQ6.qc6UqPKGytcPWXa6SrHjK0QscUc2BpkE6FcxM2SzBNdjfnAnUvzBv.hMz6ILsXnydh1cLen30BSdMnZtcqmbONFA_MSSgEh7ajsRLAHcmGNVZlNM4zydYMLh2ti81mruvrrDn9RbkRcoA6zBDerA3fte2MaUxa5bieO9fl.cWxJ5MxaIgLpakqozZEqBQx1YhH8PDSnfbWjopSL8BNnmqNKDVUJH2Ovu8F7pZSjA8taaqn_A4Sb3fIq8nf2iDH9KIUAoh1QVFKQUWlmFUtCdhQ_hW.fkHSNWEUNG08aOGXSUIIqhrbnhn3UgT.JRmSagY2AzMJRAOrIogBC.42WUADqPpoOErejvCraWIzQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7e9be5f9c1ff7';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\/6148902537?__cf_chl_rt_tk=jFcv2pezLsrKmD7Z_JSb38lpoj7LulaORR56Jk_.gv8-1739146613-1.0.1.1-hLDCSar9W_NZdcZTJFlenlHCHv1Et8peO9yJqXiO40s" + 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