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-554915835717.mit-edu.top",cType: 'managed',cRay: '90f7bc428f530688',cH: '0e4WYn56T3oGLNfC._msIo_YUZYjPKGRxSUFCkP9CwM-1739144750-1.2.1.1-7ewe1Y1rOe5k6xvoLsl4GtFr3h2JKez2sw.d7lR17pogA0yfX2s1J_KHrhe4SzH8',cUPMDTk: "\/post\/8176490523?__cf_chl_tk=d02LNEYo958M4zGtM2v7FQ_Hu7Qa5OepA_TClTU22qk-1739144750-1.0.1.1-R7gPQcnWrHsuqU3b6lQx6cwLtsfUDikkFNuSbjWXt_I",cFPWv: 'g',cITimeS: '1739144750',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8176490523?__cf_chl_f_tk=d02LNEYo958M4zGtM2v7FQ_Hu7Qa5OepA_TClTU22qk-1739144750-1.0.1.1-R7gPQcnWrHsuqU3b6lQx6cwLtsfUDikkFNuSbjWXt_I",md: "1rxFT9OPqSKL8EBt7SMXb1.m5wXKW36fXb55LxYsmYg-1739144750-1.2.1.1-Nr35UmjAn_zG9WkqM5lXl6v6dfP_QLaRJ5R8HZKP385TCgsdozc44Y_vyMQkMMciPENtFmCYHVadhuowEENRQKYMTapmUykylShTw.cXdxnM_yQIyn7IEi6tmHFOd2J.8PCOZnQscKnu4MxNqG3rqFDQWKsGIyzFMQYGmnzEaTYEbEKn3ZTWaNOksKFPklt01.KHKnzKgefeYZEb5KOwGKWrS8sw1lyKUjL6P2yO9OnN0khQ5GYYtOmDfwqYOKFjPMRwZBIZlR.ViMhWIeqb4FqTRS.Fqcx4t30KJ1uMc3.YkV_uWrDKIJkyLglo6nWzpNI5qLBl8HnHJNa4hHB_hk51k8fmbXo27LFARgWvIRki9uPoFZv4iD0WAFwFCpy_pGqOaOhsE3GigN5UTzuABjYjueFQuENt.zYtMuKnTPsUSv7V2WsjtS5knhaRhPJNEE0qTh4k3haCCO9okedQoF3I.BG71usJiGHSMEO82WOSz.oV8J1dpvuFfGPJw1tF1iB4LzmvBRMs36SRMXrA6vKDV3WL8.6Gimm5vPJsQjGEhfvbMeVImLM_tH4x2GQx7bkKC_.4dUBG6Zqumd1.H6zroWM98FM_epX2tOC_qaQfEL2ZQObet0xwtSUUZCXv81dpla6M9l6SQf.XTEAPqqQ04ito4cu0qAv8yyuTtA1qMw0H9W.DWTGIfqd3tKGVRMAsYGJDxi1ryGfbWybd9DlpNYZcq4S.tQmmhVVcYYunj1YxAHyd6mkxeAfA_MSAQ0icumJd0hXUH4We5Hc43.4_evLNuARR15s.UqDaG4fs43tblXNN8F35gLsHNBc.naJPWHPIUkD.bb_kfzh9RRPKXUQZ5OZI8raKkBRR_nRbOHezjHHRnDfbMuON3qDRwPhEx.Gv9602fglWniQxqD8vFyaHXgp6PvxpsNNjHGycu8EvvR5hrZA49Va860jYUgdXNpgFOHy76_5DUKAjfFXRY63d1nQMS2xRt98a0kHjHcDwFAbxmYTuB4KYJ9cjr9E6aDK50QfIQeWwQTpNsJ3AsmL0QdTMRFNmMfpaAjGmKtjMQKgXISZ2uxJaRmvar85JiSZJkC1Lcq86n357sjEqPFwUoE6.dzSADFfavxHfFlkcwA6jJ94rg6WWJMK0hRdYowvGWJcEQG1B6bHVgSC1PDaacKEZJf.MXjsdjIYeAFD5v.1QMqrzFY4yogO9vIJwEuJfNHHxI.BUYb_O.RaMZsxddMEFdRs9CpTP.PtlZGSuZG5slCaBe8ejbWDxdR9_y1LBDLMA_Z05qa4J_67p0yESAiQtNv4_ffzDZe7M6YHxMEOK45uFarPKaYmC1flkEyGlbZ2PgVoE6A_HRuWagAArTDA32fSM9M9edXAUVUyOYuVqir85DNMfw17ib0Vyw2hnpgqksnE9R0x1i7cNow__nfhBmjO5Wmeub3lt5P59TYUJ.nkUH4BkZLQ.RNnOAXH6J.nG0NxTBHv2jRrgZrRWXEd1oeaJXkg_0cIX8NAofaR6B.LxOsnSzYkIywGsna_0w4dPWAvqLc5WQRTs.BnyfjQJQ7SeklnGX8QnR2ZcQlqtCHCmCMNOq_baDnm3xqDW1JeaVDbGUysOFmnTtH411xBjQ48oVLyjVpKrydLpozdLmoZwpSZHvxK6yYhSTblRlWaA5Eq6REc9AZXXPAGkxzKhVPqlUx09VQBhLI2RmrZUchxI1bfDfDiDxKWhxxktIbB5DcdE20JsfDyjjdnJGeCz1tOxza5X9pPjGWVoLsyMPw5cu7QUb.1U83bgJdGLtvfwQ3lETa2aVwHjxBRZ_s9.ikfHq8PIfvvIRF6ubMyeMvqRaV6.z_0zn2APYicDe7l1mDcHePUcJfHQUi_Zorits8zkqwFQMcfn3DePEj6bbxB6Cy8SbW2o30OvKNm1hMhDX9bcNdfUN81md0JGv7lYtse.BPmHPEHvbWjXTP6wuFoBfkrFFKBaMDs2BB_lgxek66wNK5tZxnH21zU_H9cLQVHG.zWUBTZGRVvwtiIxwkJIynYSMA6yG_QPYBy5a.ezmVv.ca6TiEbC6xVgQzJbbI1gIabqmXXFkigY9Jas.EINArhvy4xsU_IEG3hPBNzYPkJPkgFMy0a8WGWdljPHEfeeUc.Ww9hugkTP8.jheiubWTwirqHimNmpEe6Yf43j9VC4sNCu2bTsOzJUTnnxxlRix_UAl1xEHKN3ODsFtluY7K6tHxcT",mdrd: "qtq2hrLwLTCrHOAkDeTOnpZ8bftZX3mUXw_iFWiaaCY-1739144750-1.2.1.1-geBOvKJWXmMk_wLk3.KrNg1aZRvxkKldECjzvI73W4DRPnewO7BdFFnjo5cErbziCHVi5hfc0Uu1ctxZA..ejiyyP0r28.wa1frnsjW0qKfLrT2G2XufNS9cZbibi8VgyLQpsl_2VLzxfeEZxmJiGg51.I.wlQnq4yr3b6VKaOSm76QXaS0hnm7j0lGQ6llk9ndmsbWkEirlbCurk9BTGec2FAyBo1Z1QqInZ_v8L9mz1gKzpgmRd9XHzPEaOjBOxfgSazZPhXa5J8pr8CUBbbjFNKoigSVGX8mC4j4YnYHsD59Mp887zOsYB50TO7LSlqPlHv6Jg00WfkDKcK7Ozr60S1f8AqHsamQipMXeV0Dz6o6PIZ8urTeZOSqZWOn8z4wBmY7ogq_taTQXcNk4gVkBYAvtRiGJiT6_aRAGXUH_JpAzhm73B0mvxShhjUtuqbcxdB6Y.rsacx52yodMYj8pasVT90M1Mr7FntmGuMkd_CkHLGO3jcCDoWN8akUBDBTBDsVnDbKpgACTK7wUbNja9NWyLafBtTpXqjND0As_q6BMgljqiVvu7YIBIKgz6L_jJSHkZW4U2pQmIpXA2IX85oMIHR0FDeRV5h9P5CrcCxXnkLUpj9XI9zoZWlH8uLygXNgx.M.j65WEhccoKWHT5DIa5UkQd_MQU4GYrUY611wg.zorGYfXkIS6_ATmYghQgskUoBsguXmb65JeYLhCjfzQ5m94l54DQq8WHsXTDUP6.XwpxOESuriKPZbRTzB5l2X3MPU_xuIY9ciJY7inbL1JDQy2SNPGCTc_q0O6cgwT6UNfcdqQhFDGnyKjUFX4zJQavwXdXLBkK7MPDQlOQcvPw8vIqD.G7mJ46IQOefu3dw3jXS5SsUK1vRhIBXM01br7WPTqLM3Bj_qXXsDU6Y1hfoEsceuty41DIpgFmiztO7LLEhiQMb.nvhoFhbP03NcG.e_lnXaWFmQPxwdEeq_ObslZJRfp5prUKwKa7j6IRI9HJBFgirWrB.32MXQKCjq0DuQQjhg4WtZ_17yPIeX21Jg72QnwUFmeLB4Sx5k46SyqfTOhMTftCY5vzv3q2WfjS1VZwasxdna9.PKh0uftW4G3weconW8dmIKoHjgQOrgsWH9p6JgCxINBPwe0NX8SQ3Ojddh87j9D9xCpF1DnmEGhRy7uHiqE24xjZ.K63u9lh1DJU.PnqPTnjwwbCO08_8aZEN_kh9.Bf2GzPD5eJsDCJhZMvqRlleqi7rbJcUukOIZveS4aibgR07rlB0oRygHbrQ8J0tmGGkNglx_BuWxyytjmdzAj4tbG62ZctwdUnYvw84AMXuEgq6jW0RPJW5AZrVE7bksKk8d56hEHxr58WdOjNd.GmPsiIIsmEdm.CLwK.Wtw3SYZLO9.1ZtuNFx2JQAckW4CPQSOnS59YUAs0WLN5WOrQ4EBOoZilqO_Qup8CqJndXV0q.tjiirFRlSn8Fub389ZsyO1M3.9SZyAOKVIpcSI4E9nKtXRkMVXP97mcsxnFrKIMmPf70mG422xSLYuR_.on.DgfIUlTqXqZHmIg1Cv2Xw38gJuaJOcIoJo7G25Q.KcoaNcAtGFyvOVM5VjaT1aqS0_5aZjNtk5vePi7rVLDsSVFfE8nEzCoE4as3dMwR8k410J6VOLkAdfA4_flL6K.pl_KNeJ4pjT4Fmo3Uokqitvz34R4kjSV9ssdUz_qtEaX_r6q81ZTS8KdyND2gcQrIUzV7u5c2C8n68lfomrcN3Xdz50FPRqCP8kMYDWM3RAdGQ42w5rquGB_uw2Yvovyg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7bc428f530688';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\/8176490523?__cf_chl_rt_tk=d02LNEYo958M4zGtM2v7FQ_Hu7Qa5OepA_TClTU22qk-1739144750-1.0.1.1-R7gPQcnWrHsuqU3b6lQx6cwLtsfUDikkFNuSbjWXt_I" + 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