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-108140992839.mit-edu.top",cType: 'managed',cRay: '90f2e604f850073d',cH: 'CEMgP3TkmoLau8OBpjti1ajk1MlXhqJ2EehkT8cQD6s-1739094032-1.2.1.1-daXPZY36q9_jiejRPHNCXtpZNLXeB159hki0WhtBOGJGBUrq7wA3.vKOm3AaNIY7',cUPMDTk: "\/post\/0257386941?__cf_chl_tk=e.Xj90ZJumFqmR1Z5yPYrl4dPIckMIfkFwqo.Z_Yonc-1739094032-1.0.1.1-FbAdB6zfVyVhXpTyqJfuwtNu7280YOFaPY7lX.PQGPs",cFPWv: 'g',cITimeS: '1739094032',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0257386941?__cf_chl_f_tk=e.Xj90ZJumFqmR1Z5yPYrl4dPIckMIfkFwqo.Z_Yonc-1739094032-1.0.1.1-FbAdB6zfVyVhXpTyqJfuwtNu7280YOFaPY7lX.PQGPs",md: "34Qxxe3E71vXH8mebKFfKtk_WUMv702yPVOP6HORN74-1739094032-1.2.1.1-N_umyL0tuxk_6zmI_C0P.9K1Gy_GFvwJKvDiDJHhCnY9LEyleYwgRfmiDAg3fRQhHYTO8HRCQnsIAUMgKHT4N6XRLozOOZN_W2TTbxkklAWTUbcpvWiDNUBZqN9wWknD0SrItxDrMURg3MLlMyhrjunVn1C45fF9d3cOYHygVVc6QLH308BczzTU7LL6.KSQ0041WwEnAR7CaZNTnUYZ8NmF9VC.a6CCG73xONtYtJ_rbiJs763UwHpSERIQlT9s9FQcMSyzNwtcs29bKJm8.0Rh2j.PdubiRZlRVUodV4IgOY.PesfEJgOLAEhbUair.Lt0wNdPtaRWLwBs9a26THTHAwjbWK1nOm_mLCZburJYfV64HHkFEMejcBIwSYE4h5JtBcgHVbZ4_Qd8hifeWYQmcxiX14mVnp_C4TI7c8wqIqD9s1q.YO2f.nyEdaP7zl60..LtagdsuxlNwkFg39W3KqBBEG3pOPofHvnN1pdcXrjkE67q2cZVCkA204qszu8gXL2WPGsAWCqoTeCmYKEVRpsc3p8RjM9ZNQHZcRj7cbfRtD2iVey0nOFuj8D_7BXjIoUB_xY_qfYEpJ9DBGFIIoU.F2_quVs5r5fhM7T4RzrtQZHweE2wMvv6seNrtCl4BdVsSmzf6_bzfaZGY6Eb28QFdNkBIRjCfExa.sqMuSRP_Dej8SYXtDbOfSloTz6g523UJIF0XZNtX_ZdC6GdNt245ZZrJU5BZenSNSuSOfqrNSSIcYo7hMs4x9PYOfcN4Gz1rT7z9E78ugsV3.6H43hvo9phQa.hUm02Bmo3aI5lDTlcdAEhwEfYU0a2wmmYAeQ_xeatKuTF3fs.gqEUpW8Y5SYh2nE9W6teXd103ngoUjek9EI_CE6qad_Wm3yyWfS5s.rPR6CoywP69ysF2W8wbYJlNeai81ImOjJAlLir308WxNrZRye3CtBzTXfbBjYbeg.z4gI35gxhzpwM78xOVhSUyc7RgsJv.em8KOrdoJ2t4BOCVNSVI8woGt7edDbBMaEkV3updysp4ZVhXynYoYX9npJcuLmh9RYVNr9NepRVV7MSNqYCmAtikDiUnNILk3ms6coyLXLnoxs2HikN86wNcG6yGgYyF7NZojAfxInUI1rYipEJk4IS2tjDtu3JtOyzOUG5bi4alRM8MQVarHpB.vx50gzUGbotictxUVMkMH2ouD4nOurC9HgJDn0bAlRHXS29JjRdxYUMnFE0JkK6Zr1QYdm7S.B8TlUIwVOMIGuUo1Tv255N_WfFj4rqDgNt89eTlcFmc9bcTt2eW7o9kkLA4FiWy6nzs15oDooAGheKaK_S_oI6xO2Qit5PnXiE0xrTyS0eG_Ui9o_vIuWRzI3QHUjFHoI7q9xoCN65jsw484p44bMYrz4im0Lf_T409Xym9v7p4Ph0feW0Z6D.OHZJlIsopUQ7RQbuFBru29IOZazj_pllmcdYYrlRMWHmybgVabVx56xqQjcEGiyZFJ7sVod_lL7pewjeeK1eAXaDh40F0oRhDXPH7SZYScrRhtHqsTKbd.p_.GApv8Hqtcq4Bk_M7KWBYTS5YkjvlOU4tKs5z8xe3sbgpYKPR1AWMOP9LIR3Ol.KKm6s3BoXl96nSgSmX4Jrx3N8MXjLkZFWTgTadFaF9Pet1oYIbWjapXsVCzYvz6O4hYiX5tkfLpsS64TILsZ4lze4f9z64.sHkO60HEgJPR4i8OEYGB5ZJrnyegW6qZTK0F5mCNRRY.mVY9gHjzd1gP7UF7U2qJTTPs6_GPM5tEbFbEtt3ayfiLnXOVdmR7LURCIgnrl2xawswl55sySBZPiTZEvzB_KmQS1cLdqTYwXY3.hENOJExbfVsfJwYnpqryTlHZiDUgNi1GpPsA3emTah3mXRJgyDXFuYKMND6gmMf3CxfMhk2pKNCM_Q1QbAx7S5472jEZ35aiES.f5WMW7ONt590KyIq6LkT1gj4NxctGGv85vhR4HW7Jq4ooOIGCrsWvJ1mJCnqpphE9VVaeBnWqt9vtBy5HkXNDrOStzfdWJANqjyq3acZyN070hk7lWMAD5t3_igfpmvAvRuDu0zMiSUHPofckHZZzXix0mx0skHQCfyjROThBZejc4eU5Ia4JRfjIAs05D5QycqOW6esPjpT98rRZ_9t9UGe_w70ZAgB9qJSQjPNQWH0BaOYH8zVw01fPP6qmORHKAXkvuZLbBH8vlflO0VhbHW",mdrd: "42HRTzQMxcvhMruTchIc2n9ET6Gzqy0djL3Nn6MM1Yg-1739094032-1.2.1.1-VqmZ2wfb6E.qLb5HsTld0G_xzTWeRSRBfYgkFwPYB7WnUW20OBzi9a9Ai60nEUi08m13_.zHzkLROBihc0Z9BjjoBFxtQlGHJclkWFqQj8hxfpGv2oktnvLivUsN9ciR7AOWDfSFFdWsOwH_c3voMFIrxuM_1Bqvu1WPybfQbAF1W.UyTkL9koGoALYIEM9aE9GwWq1Miu.npQhNvvF3q9mIDi0HhF.pxNKqwNHVJrA8Q3kW4V2r3fibtDk0y_ucu1CX.tDtXHSU5UiybM6H.60CNC_ZInuyT.LNpreo1bxuUMr80O8p1loOcu.5WBSLnfoZI9KV1NEklRmw0q5k7HnPgehRH_zQ7cuZQRc27B7KFP10fHpGPAdxMlf_54sHTwWi1vUgCTdDx.4dz7nwiEFGZfEuMoekjEWZtkKQKbz9hvXMZ0Ld90eXTHsHSQ_cammWZNKWEKEAIJMsrQPWjTmbi.zysFe6BnP5gHUL7Zc76MPmqID96abpvKOm81MXAnpv91H8YZ_IqPGNDVizWhI1bg393yoZUQA6t_T_Rb4nuHS32UzfZ9n4fQ1TWLluV9YY2CLw.as8p3ieu8wxGZEYILgVtpmU5OReE5_IFOks4YYmCIG8xLJhnVd4fRPqov5GdOALm60uiVg1UV0xXK7N_7z19i8apqyIxVWvtUG9ZbO1feBNVhnlWWqfEaTjoRRDcH7rNsquH.3Mlz4ROsIz8c0mMpz8bg2rRH_s2Q5JBOyNXMXIgTGcOH0fFdY4zjT3u7FSCwK3PfT4G07cE9gvG_10NrOEXcZaj8lQKQmRsW_zO3wpWNlZeKplfeWjzTz_zUCtWOghySwEIfL_n4GhD_7p_7LWs8x.1dhaSwqrRthwW7TV5e0tvmt3dtG7tChQhQhljGB1ZwNYFekFrkGgzDuOAPnwi.l303ulzLkTWcQdf5DSk8eBIYp8snK4tB1E5J8.pR2LOOz1BY9w5_jrphbHYes00YarqTXiHatbUUlklVJVGXqreBcle_p9EyNEtAemjIf0LvV4DQfZqV42SwTVLwP.xKHeK0aQVKBbplSYiZ2U_R3OIV3sYfJHB.5lwRNe7xcnBKWeGEADqneqmJGSxI.h2a6sWec6nrAMcAGptqgAOo2l6YChf75PpomY7yYMDZdQ5AmKf9W_J3s_I0i8vejrQXtMf6blDR10RQ_8JrXvDyEFobIvLYYKbRasYomQ0WybXuNm0xuT_76jPAf213I0r1hM_JcP2Vba_8wSx5ZwcwTLuuT4Eluu2hWUVHDe5oiwtgRmkFbUavp0JnGu9DHHfs89BYy4Pqoe0jY88q4I5c57i.YoCj.BmejvDrgK4YI0.4hlRUsgFA_h6ZYf5uEewkLwg_RccF7TL1wAvBwjkXAukpyrMMVcYBpCeIwI36jW6xX035Sv3x23pmHDqk9RWyt7adMKhV4k0oebRsTjtF5drO_QnN2Qf.PlYRZg8CX.YDNz3eqAjvdU8QcITEXUokB6jtR1KGHhhD_nbq4lrZmdEQF7HLprdJU0J8uVN.0OmybjwQYBHsz53fISTLQtZ6X5x60.0MH4JrKv_ozJDwNCFR1OyTBZyffz.Dw6HdFaVfyk9.sXzgwjr1gnajpGvdE2fmTmBr5s_zXZjHLD7H1Yd2SLiXd6UK3WeD_Bqi6huhHcb6n4j6eR9RC1wpGU_WfCACHrOoiXYzPgdI.GGRAIF6NTfHO9b57cmcTP4WvHbAmgk9DBqtN2oWGtGMEwj6Vkm0l2APibFtpjWp.ha5iWeC0LGdrtg_O3E1dvRbpLvhVfyW5yZw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f2e604f850073d';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\/0257386941?__cf_chl_rt_tk=e.Xj90ZJumFqmR1Z5yPYrl4dPIckMIfkFwqo.Z_Yonc-1739094032-1.0.1.1-FbAdB6zfVyVhXpTyqJfuwtNu7280YOFaPY7lX.PQGPs" + 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