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-900593919401.mit-edu.top",cType: 'managed',cRay: '910f838b9f6a7342',cH: 'GTSq1uAMUxruZQ97ZqTS3GbY9ih9L3vt8Ow9z7hbNVM-1739394085-1.2.1.1-.sWZQKS57rdRH_85YhFLVTqV8RZezxEPRVITf6QKD9ZaXSkI2xvdWF6o401E3hZc',cUPMDTk: "\/post\/9258374610?__cf_chl_tk=_3Tn4h4pt0rOaPx2LAzhy15iYmk_VxNodb6qH2OXyEU-1739394085-1.0.1.1-sY74XsQ5CYy03T1hYM9xsB3fSQ9TPB5laoeZTuTv8Hg",cFPWv: 'b',cITimeS: '1739394085',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9258374610?__cf_chl_f_tk=_3Tn4h4pt0rOaPx2LAzhy15iYmk_VxNodb6qH2OXyEU-1739394085-1.0.1.1-sY74XsQ5CYy03T1hYM9xsB3fSQ9TPB5laoeZTuTv8Hg",md: "8NPbq83mnUa6i6JNhFdFvDr2TOemoa5eS9tGppPJ4c0-1739394085-1.2.1.1-1vjMZdzSwu5BFkNuBZNmeMcN7Y3l8YBObW9y21YsUOB5NSu.PB_xt4rc95xb_y9bt7fNBpu3eIXfzbMn.ccMfmZi8wVnuyz_BCEOyC3fec7kEHUIVDS6TTe5hZdcffDTbnp7aJWHIwJrBniXeoRUMVBzFG7theYsYf6V80pmUY9P.IkIuOjmBdlQrckzGbLHcxcC7w6JN4xJb_.tkSvzp1BEJsmH8RcydEPTTlvDdc3w4BxHtm0Q5jPorKshM8cMc4S8eM3AKHKWSyJFLrURYtMX_GcaeaLSdgo4KZ9UCYWY7.e4d_ze.7IpDZIo7Vuy.d7K4JQKdmFEMlxG8SFNu1SSSeWOm4TIwt.11tVOEbAn9aTPwsPHRBomeBYlOXlQiY14OThJfmGpFDsh6QheqLwLotPky5G4yiF1QqEVxNhCPrcZgB5nxPXVdfLbxDCoMRqjadL6aLXMzCF_NI8PAHF_7AK3hTzIQE4QrHcwYSUfuPifIwQpNKIHZERugPg.ZabU2KFnVlONgAc_wubmwF7KWNKud9G6jeMX3K6fJZxDSfwJyjHpSpA6dJqO8ePHO815GZzMhnz_3R3IIvZFasqdpH.DofByxXye4yB1YskkJSIIrqICJsrgoss5QGLZ13BsmuyF0w_dE436fTgfj1P3U9IIetXzwj5.OpWEhFO.fETHQrnsRoxZ2udG1OIdM59Io_7ZrTLUetMg3ndEkT17xmeW6eSCTRhUJ0ReCDycZto4uh1TJVz1tCxFE2gyGeMbn3qqKGJje6gv89wGiNqG_T7Z8Rcu9CfESiEYPdT4deuQL3oIXnBO.OKdij8zhGY4MSozR4pthZmSs1Jd.iLF1VXaKnrvSsqu8wqC6ZK9q3SouwXTPlTVLkBHemjqVidxWzK0Z7826WrVT3PYfabSE_n5sk.ylIy86oZxDHAVqgy6oQWebPL5yyyO8DtkdUcV3DU2shPGbTeFP7Uy7uuGewg_UnWVggd1isCAj79wzxRLE0GGwVLxRbsXSLRKGmWDEijlc27ccGnKVq27JvkMOgXPROiVRh_GBRs5hPgAgFUXUtpu.3yMxb3l1ymD8KUYMW8qgykKNNgfJqVIlPNu_F6_8jgXjvwI.WiqctdWKsP7S6xaAcoxRG.H2CsfDac.Q5GGjFUpy2mlNkZr1FIPB1ow9hpUzlzMte1_bYJiWRhNivKdZL3dNuvn.NAvMkj4jIKPQ516wqqmmwk327.Bqqs_PrUmUycbhLHOh5SNqKcgKJnGK26sISaJJheCrOdoPrm3ShDXImvr25GpkAlLsofZlVtWAx2b9PB4baJexa_9dS_h58YUZYEbX4jMsu2KIwQkpIcXsB7w5IGx9eanab2onp_G1eISj1Up88RxA4P5EEfd.WbRRsVVDJs5pDumtPqWB7r5lKLhnPydgi4dHd6Zf6tzGZ_0LH63_gQemGsGX.8S2.ahs7lbSvYTJlemmxPt4x7pb89.ocMv8asrW18H407oonYSxY2Tvhz4LVZ6sqTU3G2pMFkgkIbnLvSa30DIUpdyk0cSeL5gEg6I_T82YohbJ3h3DLCcEPd4dYbEzrAaVFGPIzpiLunIrMppJG4sf9e23vVaRWB.8OvkArLpbLwUGaXTwBM.2FwAN54XgmpTAMxHlUWsp0idOc3FINc3VFmX.i1Qbs81IDbf5FHL.F0_dq_84VvL57RakTQXm.ij_Xv0KjKjMq5DZQYhueq0kNRk3nBOz85HeCMgZYmEyX8gZ1nEb_fiYu.uaYD4nngdmqiBZvzMLeoaZ17razXjVRMzWFbMjxCS7LmAkmv3Nu01dY5yCYXtPEsZ1pocrzT_WsqLbFFMFhWAgdsgzxVADVh4Ofw9oPJ9itEFcemRJ19ukgKREIB33OAQYczduMqTFAQFEfUXebO1AvKM9MH2c7WchtCBHaBplbPq74GshuKSTnJuHZLWlW8KovhBrWweY413wVsMtQavmrhGrQ0gWy2GkQMMQfiQCAaSrl4a_lNUAzFkp7RTFqP0hnFlu.RBxWHXo2VNNvHZkTYeYmVtP7_muBcHa8ze2v.xC3W8M2a0q6ndJgDRiX1B_UFBeqts92Srtm1YdIFZLOrf.7OzGoUughINjSpmrKjuTCycQPB299_wW2nRaJzfcV3qe4FVFduWTAXKRloy3tlGLlvKtwIs0FpS8Tuh70lF9FHOOvNj9q1SyJhqwoH6kMuo3i8Jpyy6mZhkEPTM",mdrd: "Wm9sCbCsQqNPFUYHPzfikq7rHSC6A_s_sSIAuRhHb2o-1739394085-1.2.1.1-YnpqPIhjZv0UJRkDcZhsng0JjgB1xzYrUQe5yVqh2y0oslQG_XAkpxmf6T0QJpZSFEL67hW_j7O.7Wg7Vp0oBjf9.0TqgX8Ra0aX9JLOxmqOg9Caa8jA.f6x9dxOYzG6gnvwLjVFQXCW7eJ23XEkxfn9411HQ3nJZezOvXSiQowxbqtqL0G2vgxCh2jlzQ0Vyp_o27p6flj.I_0dfyA1HtrvpZnnugqjT3dCjhpdFjOLQdPk3_S7Up1TgAFPNqiFWp13pn3TjYs.I_fHxaUSdOv9E7_Lau1dzQzO.wIy0SWDfD09i0C_ENLJ1tK6XjosGzbJUOCRnqzABNS8ReO3nhuARO3CFQhJftMGISoLZhPb44D7wvs32QMNiKF9kDAfmqZ1AYUzO5Tmv.lg8_xaafCqdOoStUkrLb1JvyWFZ89o11aflScSHmSK4d.PmkZM2GQj08UnbaN0w0TndVCbh4VP5hOipqwdWPwtyI_0U3Cg_g6oN_chu8WHjf21L_QQ.aDjhXzAkXqZXnBXNmJ5pLYR_AUj7eHi4clDkteaEjCABFSuwXelyrAcAtdQlH1HmuQCFrCdSQ2hj5Ve06iImvu1TDSxI.4zJOoBX83QAxwg5fWnq4qtGAPMSLqzNfv4L_HJlg4FKcWvokak9AZxi6qqxHW3iKwJBTWAjOrXhGJzD0zJOQZtH9DTbZgJgDDagMfn6YknCXWPhgU1ZEHQomxXkTb2_0nc2pCiz49Us0T7wwgiaaQ5dnJD0F6n2pgimIEXNe0hFwznjsscpXvoFqL8Q9ffIlASdHJmNKmpN2xzobWRMzkJsOmXZSUI9avCPgCkozFM.lYxyYEQqI9Vi7k7fPC4j7h3ZyF17Nn8jlTu_bG0kyXtJYIuinAlIaYv13TVcl8L1veEPiw4nKRqJvtCcu_WmGLWerpuDru98FhaBWNE5PiyLkk3rx6KfyCWEeFmXR1rw8G2G7VzPiqsqvmyCeI5D1z7d2oeTbVyObOlXmDa2zNWz.MKlNnXW_V0ls1mmK2SRAobqOnEO7CpkZyupqFfAMIvkQzafHnHQsLZysqG0UeBbSJY48E4zX32qVg5BnTwBZkSLwCXdGiPIdtn9HjXuLRTyfZK0HFD5gEvwV3sUrHs_GYjbTT5X3r1nH5p0SbqTsh.kybiNj5bAE9a4XI4TCT6Tnz1NGY3oEPsZjwfCABOXItfkNx2a6fYHnFTvPupJm8HptCW45dDYE5wUJpWl6AeVgpLfL2q9Yb.OZvr9LoOH69USydvd88COZHeXmCsUEbS878zPtZx5PafBnnukHyVG_hrGLuWTd1HSQq5KW27QFmcgUux7Wk1D1_EJhmmnVgBFTw.m4_U0aDg9X5iWsEXmnuIFCm_H6UqVc0RX5tvngRgpsOCCWlYt6neMfqZbKDcwYNz.9bNgym8kv7l1YEDoL8GOV1IakJuWRHtgET0_t5w4ugbo8Hp9nyMEi0sZmfFntPYSOUJ7Ka077GgSDosRoXQxlVUY4q3C8MTe45yer1Or2CPhOlp4rN.cpQVp9BFIAONiLqPFLBQH.BkiHCDl7E.A1OG4ZehhCBOq.acVhJqnLLssWULFTuvtfKuKnJDStANegyu3XEdsvT51WulrWrNWCj3L4trruEarqzAvCbg0RTNxa0J.z8SNincPPodCAp5k_Fo0SCvSZ9WfCQwqtS3NtLzGsxTiz_qbS5bR9zO8nc2SJHUF3iC.f24avhWM2ganax7EeMZGm_gYd2lwoVdht7XH1dM7sJl9wEIlYjKt7v9EHFQemsl4qJ7heyzKq9ykax0hA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910f838b9f6a7342';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\/9258374610?__cf_chl_rt_tk=_3Tn4h4pt0rOaPx2LAzhy15iYmk_VxNodb6qH2OXyEU-1739394085-1.0.1.1-sY74XsQ5CYy03T1hYM9xsB3fSQ9TPB5laoeZTuTv8Hg" + 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