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="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-370719641386.mit-edu.top",cType: 'managed',cRay: '94b85e6fce365a03',cH: 'meczJwmUw1Zjli2LtHH67A26.3dHQGz3IIwg2UVpxUE-1749217722-1.2.1.1-cRnvzlxbxUDuv8L8syIuDhBeMvMoiN5KQ8H7x2B_ENG81XMlQ_mH8k9I3dPQzrmW',cUPMDTk: "\/post\/4810672395?__cf_chl_tk=NFS.sy2qT_8A7RxSseP7gEmLO4Is6__A26sgEaGG5IE-1749217722-1.0.1.1-NcNbGHk5kikc3Qg2Jhq9VENBgIZa4DROrLYRN5z3TLI",cFPWv: 'g',cITimeS: '1749217722',cTplC: 0,cTplV: 5,cTplB: 'cf',fa: "\/post\/4810672395?__cf_chl_f_tk=NFS.sy2qT_8A7RxSseP7gEmLO4Is6__A26sgEaGG5IE-1749217722-1.0.1.1-NcNbGHk5kikc3Qg2Jhq9VENBgIZa4DROrLYRN5z3TLI",md: "ZLpseojhk.aWhoQM4MEaHKpmPtAHEHBmYWAVhbBNesI-1749217722-1.2.1.1-iLtkbyTtelw2l.BDk5HM0xffl558D_5u6vLhIJRFVltQ_DcceY2bV8RBnGZ7jLVz_ig6gTEdEX5T7WCLq..FkqtAyVrBjXdBi8A8.0MVA2Wq.RamCIc433PuPRFgGKE8U3VL3oNs8v8fShj7ZyIAJ8WsOb1wNWkypng_5gQM6EXCRMBqafDNhRy2.pp5Sz6vIesQAY_LXYM2J7PcNpXSIg9XEn4LA2G.quxJCF.oZv5os0iNKD4eslSa2gl2KHpZMsWYqv4so7T_CA8zxcZ3wzcBp0Q0di0tDgcLzEibf8kXYnKVpw4Ok2YTRsi7zOdLd1N54BJLfSzj3ObDAfozp3wneEiHPa17IBhU3Fg5qHFvu82xkYoXy2FsbBj0C63zdY0CjIqeCjSRqDdK17WyvYG4JE7y4WylSgCIIx1GrGAEMQ4Nbg92_GPuY0utcrspCO6G.dhr6cuyrfKF9Gk92Tneu5wbC8HABN9cVhU.88iuUPEe.WbP39TcB_atahMsED4iSgaRI9NsLeXx5dmEK4skYFWayz0VMY7EKnSLllNdYHWrH4Urr_HCVXLq9XY8QsA48aRhOA1tgTCD2xg6Lr2A41cEUI5W48ADk38pG5XRYgUuCYcUHEMZj4QFE_upnhh7MocaQaktRbMuDLqy1O.MOnsYcEibIA1JS2zbIGHCUaOq7mfEtuf7FxAl9NHayQ24m.hnFNFNOX.kldpsVoV7BsmMDkDDqVslM.wQMEIEoWYabxvMyJ70r7S4u_k9dZaeFhOTYgVa3vDcc0DmTKxUFhi02TmyQ0fEL0urX5Cg4k_W2Z0BvowLNDLSeP7HgmAwTan8nKbXD9nVUQePQw",mdrd: "uK3._.BwQMConMyR7ISJ9arDyDq3yhBwkt7yTIpAjqo-1749217722-1.2.1.1-Il767hdM0Mwa0C5b77KBvFb6LRA3ry6ksrJv.pYzcJ2DjYZIUkHaDOnBTTEtalk9ipc05LD4WtohR2QfQJL3SDLYs54lHiDnsujxFoBe943okNqczqkm7fmQk1XUv3oL325Ce4CtuLhigs6epJf3zaw1lGptQpPlWLP65DDQ2bGNZYDEQ9txwh0QMWN1lKA_IhHHCs4c9H2UImpbeq_4dQk5cZ8ZKU3.QLFrbzCyVHb5.IhTZExT50HnrmdEmc.wyjv5hxoVP10BU6mylDpKgnX4QgVMXV_NxANUzI14OVO9dqqsai6LX6XvUQG1IypVKTkCSb_D091ajOVz5383xEoOwc.Or0N8D65dgKlaeql2upwY2hbtpC8rNFPUBSnUnmTIr8iac0YgezDkKUWMk6xVHJTpI2zzOQo_OuxFK1.BGeAOr7UIyAnLbpVgGY7g3THbOKPpHy455QYIGgZH2HfWD9tmNxUGyLWQ8QdgeQILDUHcueOAHAB7xQsh1pYwLm5fjycgV_TizfCyJOLSQ7AppRwPijC6lI.P1ZxdILS5oT3ad6m_IFZ9w_cvqmTIUxKT_w5EhUyHr9t4XCTezU1dS_UNzzDpE6WrEIn_2xFxAaxuXwisS_Y4Z4bBeD1088Eih2rwgndLLnlxE1qrtiJsBbC.83oSN1fUFWL9dKtlEg65n1ibBEUrAP.O4YNV8Q0eFNeSt0u69Ohlzw.LKgL15dRnq8.ibdL55PuSvi118P_UQ91J8x60jVA6av3g74d4O.qPgH0T1V6tUjPv5T6tOjLFSEi7cR_UlU15aTGQIYhfPKIP5E5qqoXs2TM_yj3cBNb_ElSLL_782lHsOwah8IjPqdSU0pbl_lwHYlbC_ioHwnkQc_qVbc7lAW7etBPFbfa3C0evu__oAcCX2AU_OnTAyEHbH0F5LiRp8QFVXF8j3tikxFKnukeXCFAWnhyEqbn1200sN.QuyztfH24FIzoMIiEo3ftNMIYvD5jOeaPzTXywFAgzl6ZiRVkZC8h3BWYt9yyWAjTEmxFqlX5hirmfI.yLMJ7FawbqQZE5t41H5UuXHVzblxf9kC3oF_vf4j2wWn88tOKQUyFoGl76MJyTbcypg4TyYTrkOivgLphP2w_x.AuKzFsrttVzciKwe7Xduy2XnRSm0MFuBptYEw.XJ7VhK1RU4AjfkL4jU8a6mVi2I9CLrec2kWXQtBKyrbuMn6lZ3U7DiPvKVdQPGKKdmCcAxuVLBegZGUQLP_dyj9NshARH4gpWkOUE8CSPuhmScOdzcpbS042gkm.x0Kg2WOEXCsUIJUSdCM8y.WzNyzYb.gSyCCo4TsQk_AnbiQeSE9TbdDC6WJ61vTGqjx_GoPKiNw3NWUS3WLUBu_fjnkaoVJ_HIpl3q5LPHSSudMUNHAI.0bN.NlT01VKEp_.3_l39ieL4UcxUVI16k1F7fj_q6IukdHDcWO18RFt23BqqsZf3Ye5bgqlaq3F6MvHnR8ggD1S9JvURXIGJ5ofCtS9685Ua14M5SMjnROP.NFtHRHSjRn_juQFhh0L8NhdVxSyTOtGX7xruBaNT9tFZjyLWMSgpkGONQvOAR9tLFOMl27fo9kmTrffUL28Qo3O2d_vtcCkdJqPNTQ0MbG0qsANimarqWlOCpr9oeO_XI7VnGCwXmZK7Jl5VDXXXMIsY14aQydi2KXPN0dIlSZL1vhkgLVEX0ArndEPwEoUwmE79.nE3j2IS8.ePwkhyvkHgOkMhdw0Rzry_rr1sO4z4rRfWoko3WMbu8wEfaD3ejOBNeLTbbxySHTGSU9ecw5CtFhIUGFEAYCgj0PjvRpcuP7tdycS7sPMX_MSZWe4v5NB71rQDqI1m2MkdhB1qO5aA6anyzRZV9NziIfM"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=94b85e6fce365a03';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\/4810672395?__cf_chl_rt_tk=NFS.sy2qT_8A7RxSseP7gEmLO4Is6__A26sgEaGG5IE-1749217722-1.0.1.1-NcNbGHk5kikc3Qg2Jhq9VENBgIZa4DROrLYRN5z3TLI" + 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
