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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-823889053948.mit-edu.top",cType: 'managed',cRay: '9112ada5f8fb5979',cH: '5TuOqO_n0Qch_TRxUbuQWzYoK2WarvGWpRa.hzMvF40-1739427267-1.2.1.1-1gSdahh3LBfdsNFOHbtELAzldn.dML3Pmta1CDd8_ouT0TbDiLi59EXYMLGByDd1',cUPMDTk: "\/post\/1789065243?__cf_chl_tk=sbubOLKJeBPzPD58FOLAXWme69uRl7PbG3FuVo4vTL4-1739427267-1.0.1.1-fFUZT5I7KKgLnpLMaTmMVuSWcEoa3a._yng7Un82Cgc",cFPWv: 'b',cITimeS: '1739427267',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1789065243?__cf_chl_f_tk=sbubOLKJeBPzPD58FOLAXWme69uRl7PbG3FuVo4vTL4-1739427267-1.0.1.1-fFUZT5I7KKgLnpLMaTmMVuSWcEoa3a._yng7Un82Cgc",md: "qkEVf57jNbLyBDHd479egzy8X_.biuujofSfBYICx_4-1739427267-1.2.1.1-lI6LihBBhH5.qekSESqolO3pl1yfoUva9PGqF9eYpMjp4Dfori74fEGGT1wT_mecI9r.di9.DeWFCdwo8wzI8mzdt.R.Ut31sNdBxtkUO.fTip5NNNBaDALEIfLkGAYi2HVPrb7GE5P9TKOpp6oCUUH_hb7GzwGWOY0OC9jDlzH5YrAACefPEZA_tBO.nNizI5JVIDXYsz5GW4NbyCgD6MA_.s0Has7pfcw1qX6L0_VBE6l7Va26WquzGA98aftaSKnQhzvB0jL.9qeeD50AmGCBKHaTaWEXAu9kB3o2Lz4TQwkDWOrp8gcVPIP1.ajSU3y9ofPlCY4bHs4WbK_BYvSa1h3ouKV_FL53ICoAsPBROYYvsDNDpcbxfg.LBn9w1CXtIN_VbsoccM8lhGpPV5TrzcOttDtFcmbae1PvG1IuF3m4FVlwsxHmB5aOeO9kEiihVTUcaHepDxM.h9CsoSngarz_VPM5DUdM2Nbws.1LS4YGBR3T3iwWGfGfEMar.oTLDgJbtfdH7CDUaMYem0oyBu0Qsk9c342Atyip7olkJuhlDD1dc1KhcoDeOT.TL7NDp6xQFTZBZijC2Md9DY9dXUe38.UlB99TAMpHKIOYghXG0VUKm4VHMmx8WxZAkDxU7VrVIdIcDT5xYidYMrEDph_14nibQ0v8vpcYl3GUy9eQQIFty7Thmrvpbm03.WkwvE_J.ViUCa5pg7oMm_JathNkyzY9iSniSNBt1Hz6MIEXS1pV7I1oI_IEsNPQl6OMnKerMQuvSUvbzEPum5BcqidcgOUmm64UxEdG18D8x8PDYG8sZb5kKC0MeWMOhgwOvVXV74HLB0rR7j2ua_K5qalWX_dqsl5bSGqzFX4Y5OB5uctdlizt5ywVf7Bc6e8HpbrbTOfXF3URoAueV1gqYj5yjPd97hgQvnXpG.SoA18oT1Nmv2MjeF2.8NHB9QcXsZ0g3aRWnQrsmDywKMMcsfPYjbgk2JFaTyKqv3pikWOjxXhTwO7IGUMWoHQKnrih_UoSJKD3YCKEgqU0WwqY7l9GWqOQYNHcMpep0KhCxDvmHtObKWKhe__ZUwmqHQsjCVn6rg0LvxkAy4bx1oWhkinkoU_EwlMnM..uKEjFqfNxnsqB63._V_gbLyXcaMH.a1W8F663LZZNbBlhWyiq8hQ.OrFR4K6JWfkFtgjVMM59BWgKQt_m.6DY6oZJv2tqdnLKZAi2Ev_3u3DG_ZcwQfiV1t0BxJYVeTZgUqCOzZVz2j9q7OgQr9tgAKNg8V1C5v1WP_gbQYpM2tRezoESx2Hg7CJfAaWJsj.jF7P9XhFpLmxhysOxlLOHljEdF52kUH0VNil2v5RHYkHZfdeUrw5RVP7RWUJJ.3rcfYd9IXWZVsQACNV_WENjIlm51LKWXLhN2z0X2ZHc8rw3ZEqtLOThFQYbpKAvieLq20_Bz1NFzyhpSBweXBJMbiOX27WscBrPpP1d6tnWUhtcHZQIPKa8D6bHbDP.e9i8BROYdkcyt7iMp5pq.IrHrwFkMFAMgffZUijbwOt0xTONdz.rbttnnuzrVh5KU4Gt2tXNY859Vvt9fgyibm4FndQcG7MfwrhGZOsmmDvp4kftl1rP6Y2hCFmVvTBNC_3EFP.QH1r_zvOuuLabTtS3VYBjFp7LoAksBugymTURabywjUlBskMxFuWV1ZdAQzOth17GPTK6.oWIlQAD1g.afrJ3glwq_uFC3UPAGutjMYmudiaNKLbzn.rut0.nB9p_mPkA3xnKXe9OhdAmlfqdCBxsZXAu70awaM2brEDuhXBBpgBR115DIJTKkBLQ3IimyA_Hkeo4jj.4.hYe5XXMdkhIUtXmWMBVLOrqcCfakI_GWnmnXtRDTaT.xx7Z9YoLNyQsr81ElthcrEIU3D.nmjs9xEG__Dg5VZL_NjU1Jez0Dp7WfRmk2AL9HqPRjeAMEIZdhNmDy4GMohd8vtN3XxYx9wO.OECSqzY9FeNWnJAEqxIoZX0_swogDWVsa_LG.2JrSMS11guFehIkUVP_LHXYFi3psQBev8uc9xXTCd0utOZJP1KZixxLf70dxugCJLaVfrI_HrTj3.BwTuVFCO2lG.HM2KAeoH1DE_3wJ1PUCqJJplGCoDcjIdEggBEuJyZmUU4MI.h3DPRmHfrpK3Wp91VDTt46CZIICmYuF9WFbOHRSQCEjZEamlRdh_k.DUp1XVctNe5WsdZju3cqYZJc",mdrd: "6QLKiqEX3LXijEZEaPJeGMDhzx1cvKF2JCIr5VNM9o0-1739427267-1.2.1.1-Jqt_sNKFaoW3CELci5FQwZoR2JSawf9xSpPqA0YJs8EBZfau5hZg4r7p0IfmVxBmmgp4DbUs81zx3hd2lyYl0TVEljdjcNmnnczw8l1SoeHrkIPCXrrdScM3bAXaeLD02UV8y7RH_.Y82UlDaP7wJ.HWXbJj9c3qxYZLc3KNAu68kyfAIg1V3TV9QLUba1oYV1KgVuvjykN4RwEyp2pbHUE.9DSY8zm58BfbcJ56lM7hBYOdL9GgWBFD0UEcqpnz9w7nZ4_UYA.pKkJdAeyb2DIEu47Pj2K34AG4w4xBQJEw2gv3HMlqTuz7wT9HmO.X9.MXECkQwFZjlNKXHnHW8LGQega_hso2XKgB1Zde6QDV16e2IyRgAMdUoknrfOxJyURGxsGRsPTUzkiJqcUpe9VnFXvSkiKOvwFNaD3XVnbmGkGzLNqhcvCXO4ejF0NpnAwgw_jwIQ8JDIqPHVUF66Aul4QGNLjbU_S31hRsy2cyE6n332R1xqCO4vvRx5xc1EoZdb298BLFa73R13EcmDusxpsZumHxuHjiIaWCZe_gGOX1J2apFwVAAyESpNLJUgYCUfif2daZaP4o5zdoIBqKoqyr.ZRas8ZHE..wVa5SDUyk4Att4wMQW3qq0Rruyf_ZfMkuTovI5NoOlDAKsD9BHek9B9_aWzySKrnQocJGISzvhw2htjg.ZlQbpTgQ8toY4fQsEHiuq5AE7DzqcPV1E8tajFqYoT4ME8aqZeSCdN2MvjTpeJplqSaUssmT6aRJu0UQTMl5KyQMkWSyU7stW7fDuHiXeKYjbLlpXdwVizhPrs0B_NxvVwcCgITvNlcObu3_4Lz2_5kg85DdQwgK5An6SRzkaMTpOFwI5yZkRO2olyA9aPL9Z8CZr3tCt1TBo11prJ0PX2s40aBFa..Lxbs2O3OigaLa3St1vwoOsrP.87o1nDU.VdAdWXyp5fnJkKk9YhKkZwZLKbQAHf2eFJHBHNxwaMLwlr8FnqjYzI_nFx7FD_muWRRbPeWhcFheOpZeBGcLxuLBqp.p1QIS1U6ectOinqHcvxqSxmuN0Ekr2ozbkgl9U4yRX5iKF.c2gtMdTwwyEXnvNYRanV2ZPejC.iCygq3tboJl7RPuSasHtdZ6qPRvdH51KiS4n5ujQFoL2YotVjiVJc8Fua1UQXjnmzPGBSwe8AhUEgHLN3BTK.tlQ68P44HYRn6WPWnSkDr..A7ncieIQUABX39CXxeEhSkhKjGmojne2s12drg_TdJvE8fSbqdsUM4QHIDEAc4ZTre.7pMLcC744p2rGuYpjFVW4VWlLw_r2DBJPXRCIaI0JCqJ1_oCO.K2hODCtMC0QkBKSeZQljAGgDAEr6JXfwXL.TCD9ua4FU8mPiEA_SWcZ2L6Gyi5wQaJzEdBC_L0EPX0uLfLzGWfUXtcKwWxsBGdpARh9ViWQAxJRWdackwnW3Ifik0MZLnrwVJ2p1oo0PjBkX_awOakpBY_YUaAvR9cbyrI21lnO20b9DiOtYrl2kbulrInpDVwesylg4w1cX4ZWAdD39GoC0dvybsPrvrEG_fcYd_T50YJ4Aw2ysCNRIRbBaMcfqiabGxgA6.LbGJ5E7ofLS.7vI.3Ms9UUhXbmd_57.66fPnFHijpXz3YxFP4vBebNNTiSGNuuwREuL2StzgnfsyPN7dYA3OvG4R0oEf4FjZ7ykkGR7RnNVWpZP2YuKlKNtnad2fJ02KpMohv2mgyLAuNCc1dxQzVO0I8Tl0oJgCKR62NtaWXuBKb_J1_gcwTeb3XLBozzMHQWG2vSrxFGQlSJw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9112ada5f8fb5979';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\/1789065243?__cf_chl_rt_tk=sbubOLKJeBPzPD58FOLAXWme69uRl7PbG3FuVo4vTL4-1739427267-1.0.1.1-fFUZT5I7KKgLnpLMaTmMVuSWcEoa3a._yng7Un82Cgc" + 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