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-aff8wiqhf.mit-edu.top",cType: 'managed',cRay: '911055a3d9bf5961',cH: 'ciYhDvKUks9HM4WGsgG3HtKIXT1ozvC_7CfuJ9q_560-1739402691-1.2.1.1-v9JXEE51EHUeZliEP0OrPtDjdoIWXIrtbcy9D4uZJm2m0cIiovs7xarPRKoASsup',cUPMDTk: "\/post\/3689415270?__cf_chl_tk=aUQafgpkSPo3BITEc72bv8bPXpZpiUyEdHw3eitQfo4-1739402691-1.0.1.1-jgoK5gQ7rNRTz_gu5D7KRQXrsWLY8kpKZCHXnL.9T.Y",cFPWv: 'b',cITimeS: '1739402691',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3689415270?__cf_chl_f_tk=aUQafgpkSPo3BITEc72bv8bPXpZpiUyEdHw3eitQfo4-1739402691-1.0.1.1-jgoK5gQ7rNRTz_gu5D7KRQXrsWLY8kpKZCHXnL.9T.Y",md: "cDYw0JRYh4tnQdRGoAgHPc2C1RnQmW8azPjUQI32qPg-1739402691-1.2.1.1-9JIudZLHsudeQQDp1Z7qP8bmgen_JFoH2Lu5.z5BXhILmQpOjDLVVsLrCNgRMMGkz1uhc46PlMWxLJxLDd5EujSy_fJHoMT2kZJt9SKAntIhi2kd_An2exXZFsgLojl5I5K1LbxZ35yMOAjuU9nOA1k3LnoRvePYCdd04Jpm6B8nZnJUYZBD5H09fUjiW6Dsp3r1_w0KfroMQf3_8quaJPvs8XtSQcXzIZYhDD7isC2cJL.X0qyrS1TjQIazyGw39VhJ3NOELIvgeX6cCp.EctBtdbnPwmsV08sD4P5tzPIK2gOGPlON7WZxd7866OJsolnQqjD_IQnl7OtSkaBhnDiYQx9o6X2iTpDjjulhqsZTi6L3a2o9DuyApc_BKZVcX_F0yyZSexqMqrTJX4ZIVKpPPV9NnxbKDysAduP3FCy9UDA4dk6wpOKVW.27BSbiBdgA6TdtZ5nzftoe9CBwb0qu1tAE6_T1YFFvu4swkJK8z8HaOIla6LuY.4DrrhYW7fe6J2twphv8g3Wc_3BIThaUOxqbUfG12l1rHEMYOliAyjPLsd0gpLfnThe9KKa0BrdKgPHmHo91_fcLQK5dYd21TO_u6aIhVWwUvkIjRKE.tqmGDXkn4xaI6KFoRSRyCVjxm_C9LlF.DxupBWZWUNHfSyf2O8KgK0qbiX35cMYCW7yRKANRu6_OOrtcsTMzJE78bpNYIJj_vpUPs.ueahB06ZQY5nR1hZ8GhzWWZ6fiku7Ria2dUAau6lJIrWJ9iM5WrcF0KoxqZ8vPpecybNQNg5aZL5vjDGCO7GOMY6IBTmNMgYPZYt9KQSSmmYInpj5jDKrFj1MY5zqK87Z7S7S4dGGfY0knMkKytT1f1I2qMrw0CVqYLHOeBGJzps.bCUdHRb0Fr.9rGw_E4RPmSCcDEGFbBsnbay8WPkt0XYR7LhudbRLvvyaYxukwi6WBjhZ_mxpfjg4Qjgn4IfWn8UOOuYpK4rHgGLKKFHtfWq.COdSCvjYtTFUDzrnyyCG3FgAjf9RLpT7Bzq.cPqlgbdt_3VoNHLC7A4KYaod6rlSzZrcTnq25oNMlfT.iecVSJ5NaHWQ1A.ncyzdkef_YZorSz4lFFavedRIAFJIiz9bQAtfOeJOW5dEmnNvoQX39Z.pzfXIG12ysRa50.TnwpOrY29sXnZ8zIqM1JjHW9PcdwXBEceM0FZn_T5.MQj6SPv14XekYMdnQzbFu6uwlYbydNSZ_zrEO310lC5lejhIPhMVarWDdU_v0tIeTtM5cZ1k0Pq8hARqZaxk7BUgT4zsaCyo.4Nm5mi72X5fnffjP1bxIx0_CMC4Qc7tUzVTR_BaUfBdKnYUv7U6Bmm_JGTeEUpmgDqf_CBMYkV65fFqPaL707zLSKjV.wjR15TmcOOvuZ2NbySc_sGcBHoU5CiQBMAF1.t_wH6R3I4N4srZXDsiHdYkDR.TvVLNAJASAR0mqrpbwu6U3RDDdW6fO2bIJCrcN5evPwjORxLFGOcW0wySCGb8NS_ivqD1SE0y1KLWBwiKaEtjLePvqFKW0Gi71zonPMLrkeO103YDJvPQDQfGHH3UWfQZ0Dufdh__rTTc1l3f9lTpEUq.PWBMP4vcgok9qMz_tIL08tfu_bdwnS8U.DlED5ZSiUmoamnS_BOiAjnAnIBr8pmSL_glJ7RR3IMaOZ6z7FC1tXt_mFQqvAu86Ft4dqaMXNlUP.C6wIiW4dULwFF1LpUkEUBVHcylckhVu3DPpxyQ4K12ugHaDprvTtCjYdeEppaUOnZv2VJlnFP3U06zJ8WpFtFfWa2BM4BJbBlXOOmiyHBZEGoyLyagbjY63xv8a2dVy0mEGDcs4XXC7A7MT46JOFH9nCNawh2IinuwSEk5ETnU7hxgYwlPAhnmhXNfHTtEIgWuTfpdrZR0jTSEmuTpYlYNyCq0y7pCwEpFpJPI2N5UmvPpIVilQ2AsPgbranRBAPEubXKd4JLxXNBC_smbdvZHYbgDHcOUZ41dhmeBkhiYrjcZ27I6aIganueV7NsCVa9YweN7GJyDDmFSRj0qlGZOSFwVA_exBjoTVhCRfi62WrJXgeJvDHV9u5obkfnA9gteRJql9Laon7rsMQuPni2GNcXslF.EeBFs1Qi277.5pkBPq9gKE0Hltu7FHDO2BQU6qQyfA1x.a6mQw5dAcumvwulTpUkkhUSQDHcML2lIjeFhXsHPbTk1gHpzyYOApwZK8",mdrd: "FeSAXUR.Ck1XN4HdjO7gmDPjUAKi8_VlLSpuzejteio-1739402691-1.2.1.1-28DmWrmyiyBmFVNgXz1vVKyAHy43SeN3qkLIjDT5iIVUxPf0bY_IVbralLxL0ObiOW_FKGTYW_7I2pQtwTmHsy10qLkdoBWfQYd5ECTKudZqTBnIW0HiTSsiAA2rE8QxTYLK34nsQZvsiklsujeSBYrSsZ1UcKBwqXwBsls_5e4ll68y_VxItjspAfi4oEYYnsDkOu0ifZc8lId73_VmSAcA8r3sZU58bOfVFKurEQWB5ifjXCPrNS9VG5CAQ_qGWnTLDxs1UOa0qrtKeEYjjcDrbS4pO122WgX9dXj2Dt6a9iP198ya0XdP5I6cjkxSIOo3EJDXVfdha5PT2SIMFzTAuLreAPGYASW9N2knwJjBry19HDr5trugMXsweUmGbgG2dCe1.7xVvV3WYdmJ0U0J.I.XWqSHGb8K9J2yreKrjEffmnXmCUQ_kdrUVH9qm_QkzjdVNgSZoJCbojxqjR7NfSM8SB9wqv2ZJx39wO0VE5y3Y3IGkIOYg.5yDXMWWRsqhRr2v_zKR8NP608Bih78lteIszEN_5OjR_z95s5pexCdaaDXEbKmymYDIZ9Hati7EI3ORmAe22bh1bLJptWHqlAUPdNcEplGDcmsletEct86CoUokr3HXoQ.JTr.zyruLtGy9LeYB7oug_0C_Ca2TlNwz3iugrXgdfJA0c1IV_EIv5OuQzUypmx63pm6jCX0IcRCYqD3699NwkDUtQI.fE1WO7kftQv7qnSo47EwvsuxDSeSw3pxfFiHD2Rv0JczdSKSNpdQAcYnXA_wrSW4MH.2zBlWzfHZSM6n7cVFF9orYTZ344RGNrdtL94yhYsSUZx29T_3iR0p_Zkqe0Ri6Yr2Ym_gUPTeYMIid_VQJxx8ijppYV.BTzVBhTge09rRn69TImXWVkFiBZMLWe0WunZL3Xjb4U0cVJS4qPxXE_qeHLPmm1EXt.Pj8K.IPbgx926NyH0GNFTbfpgcFFiNt1Qwpy3TyOXWjUwwWMyNJGf7KGThGBOc3rphmWoa7b5phQLshdsDd29XgggSCed3DcSmyEKd1urrPb.6Wh.cKM1EeItS_7S2tvcSfd2Gq04ketml_kHypr6eXOE_1w8iTW1Y2tRVc1yN8qpSjw1__JJTqfn3YDbkZV6GFFChjNZMer9jGHtAn10fZoy.VuceBsFSk4hwJLf3ofn8B1iTweE9OzDqwP4j_hPNDrkVJHm1VnXaGSKuXRMmOt0I04LFAAxj4FD_5MLosHdETbzzl4HdMwrs4GwPcuvxL98Xlzh3bFq.wXfttHQFqVLkjay3rqhu9bMPKPn_8ZOkjgsHu..bqE0Reu7pujm9WYf7ehb7a5pPCDJg2Qqi.2m3H5yh5ZmtXQjBjRUIUkuLGhm_G9T4nKQ78f08MKv.E_ubgT3Fv8f8FU0kwII2IbEd0GkA7BDnPqQ4WG7jqacZH2fGA1J8OrQIVpn8kIBcrWe1.1fZj4xDeiqiehE2nQVuDREar._AfxTUbjZdlBeJInYlKST70XNAv4LB4UF6WbBIv2NVoFIl7_xCqnhmZRu1gNMBlg5GhvKsuTDE96qUOuIvnK4ZbTCPhffVXiZyrvMwP2TRln5LnW9Luh9T1IVzJNV9hUG31aDiEdoa40uKZqipzeJb.XjJJgRp5QsyM3es5DSXtFarDUUFqyHz_mGbRoxx8TRlmZ.ABrTTwye2fJeFbH1p5M_ApFPfsT4Uoj8asA9Ed0KJd.lJfiu3USCEIcz3e1KfyQLXST8EtD81shFtk84q7hBh9X9vYRRlZZEcGARuYc68zZzHFapWUl1JHUncsIGpStkSqnfZ_ZwOJL8"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911055a3d9bf5961';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\/3689415270?__cf_chl_rt_tk=aUQafgpkSPo3BITEc72bv8bPXpZpiUyEdHw3eitQfo4-1739402691-1.0.1.1-jgoK5gQ7rNRTz_gu5D7KRQXrsWLY8kpKZCHXnL.9T.Y" + 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