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="360"></head><body><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-794381006287.mit-edu.top",cType: 'managed',cRay: '94ae3e1ae8f75a22',cH: 'F9hum9xMILfSZZs85kyJ2NEa0NElgAvzWV4kKawskps-1749111540-1.2.1.1-po0dZNXxR_gERm5UE4gMsyMHIe2Nn1N1h_R5SmvhXM2G7xaA68xqXq_19UR5bjzI',cUPMDTk: "\/post\/2176435089?__cf_chl_tk=uRUJUCon_0ZXBdZx8LNpkqdGKVar_43c4yySUxaygsg-1749111540-1.0.1.1-ZCGTHI0sYLqBMvkAPGXVVClHquSjrRi6_8iyKaepGr8",cFPWv: 'b',cITimeS: '1749111540',cTplC: 0,cTplV: 5,cTplB: 'cf',fa: "\/post\/2176435089?__cf_chl_f_tk=uRUJUCon_0ZXBdZx8LNpkqdGKVar_43c4yySUxaygsg-1749111540-1.0.1.1-ZCGTHI0sYLqBMvkAPGXVVClHquSjrRi6_8iyKaepGr8",md: "tzpH6GAP8hCbR7Sy0ZxWrnRCwuyLptSJrRMXzbR8fUI-1749111540-1.2.1.1-ni7VaHA_RN4XSiLzr1SA1aOkQcPIoOZhnquogTZMXcUYmETDCi8byGVM0uc0txIV.7dAVTEjIuSMy2Y3fBF.N9.1NyJSot0wvLS4Q9egD1OGovbcT6rXxp73TjkJdDuMWaZWXZPvz.ofZdyoIXAlahrrZNysMrsgIkthNpj3YYu.9Akjz2aP35riQFJZbAGLZfytZsIJSe02bJNZXzk2h4Ypbt2hqOA9InNKN4wrUcEeQM0SBQMozR0yUrSANk0n91xXye2L.8kQWeClfzsPy5CblNyXNUGQhgi8HWkkya_Rig927X2I_XmkliECZEwzUKRcpyLjoNkzAb1l5Igct5xzqeuVgrTxq3WrFzs.Zt.6.8e3AEC1cXOUpkASnHBPWEMdEnIQmNG7Cz2ItnjntNSsPXTijqGXA.oPfu_coC2qtnhrlIpwEDC6fjTr6FTarhmebNjvym4FvdImkHf4jGeBSbO0ScNtacnv.bT9ZjgN.Rcke3UzVOCMJ60Z2dHLdcuuGg0b9lQYW6neuhcfzNnmQ_eHNSH2pmuJEva9KVowL6L9IpBjDSqEK4rGGs_DJRF.wXiJOhMlTD2p2CgPilX1MNN.SUPf0_vj7DImhtRCCov5StVkRU.LtL4zzRmvEr2HVgTnCkXjMazo67tW2btDtlpzQgJnQ9kR3ZIsqfy6mxDVjTjxNK.HNE5GbpjKLuhYU2K4eXKq.Dzt2HmEgMpveR4SWAIEYuwT_2CFl4A.SfY2.u1uFd7DSu.z.2ZcMhcUs.Emazrmo2EA2toIY29qW5YpN1X_eZT5An9Zp9IACeE1Yqcym.cHEF.Va7vjkb10LzXqMLKUE6XZe7qT.Q",mdrd: "c_EY4bYkbgJBfuq83ZgnDZgxxkIlSD0kazDPH5WNQnw-1749111540-1.2.1.1-F883.k57V3rOGkxWXKqa4nra9HON_cxkuqCWKBqJPZ7HorZJGm5HvYLg.qAtxNBIJYuw8sksPWXXEgBrriieufQ7KZdjJ4rlxDwg_BGzfPS8MuA1516dhm8o4eUzXBX3nd18Ckq645q8hz8FncSTlTxV0bVkZ.nBAWE1Bxay24xB1RQLvxtKyG41gUNkiQWV0pWGatnvCRa59b43K3YrYs3BprLFx6dswUmyES4MndE1hpU.PqTIzlnS5ZhH6pyoVm2ZdV2JutmnzyA09V1zgYVmsN3fptGuC02WYFwzFSmIuInPqmx8qfKokpblKwXank2FiyRyJI_9YsPl0fG9cwm_hTIc8RbbLatCpq2MLfLDqRlLiJ7auU01uXkmyA79g_DbQFO3RfoaZQoobMmjHhfdmBfMlqSHklWkhlzRbFu8kHjtwUUpWD7Rqbj.HIsyDCyPThhbZIvcW58OT3do3CdWKOGqJ2zOIY1ppNfUvza9b4gE97zyz45AoAmtulcRj031ZQ_X8Xl0YuXPvluwyMk6CgIwhkcfrky_hbs6RnGqks8Go5Qrea_eSFW1uW3G65yJTmK4D5VaE2WDlfJmvjLDlEW2AAnLLov4beJRBJ0EwiujyLzUeUtk8EzXeNRC.KJDM3HhasLNxTNMW7vuY_gyAGdC7NNJbNvoimgRqT35usojTDMGfeyEXpm9NKAuT_bzaGIq8KB4GY0SzlN9Ac_I6ukrk2k3PkJFY8BE9Jz2FfQ7fDIVL8f8slfFkeg8kGAlC.XcUaGh1x0eN2LvywtjafTr0uOXtNSkCmxsIVXaS1.eH_CSHVRzq59Dhe_JeaSdPqHmqi1N9WdLdLWZkAyfhUZUcE_Dncs3gtgnhHgHTZMsCVYiLdDrR8k1RyUng7rUt8xnWGnnji_iv5iYVJk0xxs6Kvu70.EB9r31LxIUFp.Qp5HRR_XQedtNKT4sPXaR9bzw7cxMKgV1k6e093.7Vd4vy2AtpviUJeP6tw5_VbtzwTW9WpYbmD2PtoAHAv6ilZC3hPtEW78AQGw9wG9zg5674nxLK9sZ0PLFjv0_nodNUpbNJ5AW7mWSnrOste1ZC3UOlmgGAjdg05y0lsLZX3Ym2yWmfT9pzK0CcTo1CT81vwB14tuNlANb5QB8gk1AJFhFpsZj25IWTHG6QSN2_t8ljqTMzeT3ticuNJcbk8hYuw6YkldgOfvSMsryutqpAZrynshKaOfZLTKdmb0JxCRvv89NDmt5n5VxI9QFEoEDycfV_Gqv_F.u43c9uTNr7Ho.JnxeYZZZUwobSFZDAPo9wX7dVcj_PCbI8TKbChfnwVJAvjVxUjvQxkDlMSneCOHQz_R1Y3VJcn0ASx9lZDLvokcnmsKfoPnN_TU1QiwE506hWNUmmWcUAP9UVf_hFMgYmD1RE6Gna8D.GHo8naIdRWh5GfIwcouAbQVdtBYmgBf41oFbX5T3cT_Syy7Hmr8vMGManhUrxaQl5VCbQ.NrChOYP2zNqkp4pFQx5Pilj2SeGKntW2bXovnE.7kNaLz_Tk3jKBL50ntllbVKOzXBzGQsSy.tEYY_WV.uGXS1zzN947tI5kJEaglYBX8cFv53ELa3Jb4K7T..aKbsIkPy5pQgL7VCzn7LLjWBPvcVP3o7Ka2xukDIRLveQdhugoJpRd7slwOLmzJOVGjp5mkyntvjC7sxXMLZP9Vlq7zZikL4rIQxs34RzgNHCVLG4XNxx2hXQyIu01E5T_tUhseJQkyRDKULQFOxIDrkpDym71zfvoNnSc82fbdHHwXv0xzpyNVyo44RMDUmIvajg6Itp1b28YhKnUhR5Dj3lrSM2zRT4YNF_iAJKuGrbXBAm.DAQRtOc2DTDiz0nZkFLXBTdYXdLCsrhnnv..dX5ScFIqju6JJy6CG0zwt1"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=94ae3e1ae8f75a22';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\/2176435089?__cf_chl_rt_tk=uRUJUCon_0ZXBdZx8LNpkqdGKVar_43c4yySUxaygsg-1749111540-1.0.1.1-ZCGTHI0sYLqBMvkAPGXVVClHquSjrRi6_8iyKaepGr8" + 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