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-565862312456.mit-edu.top",cType: 'managed',cRay: '910f6bb39a1d177d',cH: 'fPsd75gx5NpIugcEDgauWrxcz5ZjUwB.kaDd49tYw2c-1739393109-1.2.1.1-2ZsDv70IZtO0_vW80WhdCnJZTEfbC5FLWa4gnmEeospJmPta3B5a5fzCqmZZuzyq',cUPMDTk: "\/post\/9841235760?__cf_chl_tk=5wSJdOSTnja0QUXSsh4yRpr9.dU4TzGxf4ev7E70XCE-1739393109-1.0.1.1-.dDl3aoFE98XHglhxegZ1LUIUZ1q7TA07XSyMIz3Wec",cFPWv: 'b',cITimeS: '1739393109',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9841235760?__cf_chl_f_tk=5wSJdOSTnja0QUXSsh4yRpr9.dU4TzGxf4ev7E70XCE-1739393109-1.0.1.1-.dDl3aoFE98XHglhxegZ1LUIUZ1q7TA07XSyMIz3Wec",md: ".2SBKcVzhPgswSK0D8BywyEQYFWOAH1JiFfLqAw2iZ4-1739393109-1.2.1.1-yVvI03dGLCkmhVuhTCA4IcJZg8kEWg.pvoSwKngfXzA97K4A1A04xy3gS.TeeXDM1oX4Zsjvvi2hv7eC5R8IMNMV9a6TROc.TiQjXCtSsywfNa_xHr.ilScWcE4eQ6j3RDuS95jMqv7b6EXN3Wi.R8CtiMwwO8v2gT9kzEPwlH5UARBixqrLTtxqNH6DLf0jUqombiCgAvkg2oy8yjhoCO8RxRD.B9rLysaxeKVSaSpK3T0l4FyEIhkn4zzKFY09YzpsVGFXYsNapZb_8gfCOoquvzovV0u7Y_HJNvhBS_a9NJRox3prIOyE4Wmw_ryIEig8nB8uAg2c2jj0ctTyZGvQQiskIzrOsYoTiQD8oIFZUI1PGEvZqlcxz8qS7ZSlmtixRRilS_LxiRmciZ9_yRplXstvDQnzgn4WLfBSyiIbuE1TDPW2dCw6226IJWxUFdaptTOkspJDiusH2fjJglUqpN_UdFCfXacIp5W9aCDH79vXeaeaSjozrvgbn1UREhAIHHOJaQNxVrRes24auKWQfTGfxhQXb4xsOPhyM7tEEmpAIRfpziU4ByCy25BkdE_7HAW1RxtVZ3iV4wYWTlyYAu_6SRFJ5lTyrK4EBH4F1SrvQZY6IyL6E5o6ylLFBmpiNfpj9F1FFywyf_Zn2Y8IiPFSBtRsDeMZo03v1VIYwatSuqaKOh1GoosMPZWrICfAmSiSliF8f1uW0upk6o_W72fjy7DpVbbQQ9NSQBp8V5DYJcOwbeBDQ.PJ_Ru.O.THCzzgZ5VrKIQSnVKIKb6UX2lcgaOIHgPk.ZWyQtozCh2y1bKSF6G4krH0k4ZbGulT6olIskrMrqSpzG6p1xQtXB16y8e5GdIXtJTlT6veroRReU2zUI3cs8deeNZhu4T6D4.pTtyxKWkgbTdE3Jo4tlWDIV89XD5DJXQJS1UT7EY1mH72PnnMc6er1uxdYOZER8CL1CgRQORWiTfuzeGCUbb47Ev1QnlE6MlKmpl6oojEUtG_CZKDuMfo2o..6ZDvGYN9z0RZyrmuxrON9fSETpJIku0AqHdoZfd9BxHGQgQRywfpjRBOOJSRfHn.AFoSWxapVFy6bnS5yW8AS42rzrWjVnmHoy3d_SUcsPCsKoO_O0pLXY4DRJrJXP1fFCTkXCXA7WL_7ejxHvEBT8F9yUWydCXOjk6Arj1FOsxzIG.B6mSjVIjzjFopMKijR3egHVX1RmMAF9AyFzlyuCbNUhq73VWCJfXCR54GbHuHePI6G2fJZ_iClij20INAbTwUy_tPYfuMyxPUQ8u9hW7wiq.vhgZRH7cxlKtXiDMuJdS7K3.rYOxSrENjRLEVjvEXLtZMzh4J1S_JDE0pSpSGEnExBUeWDpqXndOpdGHQOAp.ieskt7.qW92dwwoIxgiAgSD09xht.zxKl0MXIrDoZtifkiQx37t.Z7F9e8DGM9OXm3K_KhtfIiJOp4Xog0ffZZQQexRXOXxya.49BXmcHNqbWaFURAYjDowfUdWLww_9ri_D6I17nPQVWqbWq08G6uzlMC.z9rV.iNaCqkRg2UUkBKMG8VIjtL3mXdzy8AVpD9WouHJkKxt5PrpUKsMzCQcCQwm6rLA881Kgjw2Xkx1L9wUJCXGOr3Tg9usyrz_4iTGa.6puQGFnMgmtH_vWvJZTrCFZBnN5egozXRUbqgkXRdVheG0TV7H4Vg9M55t27NkhkxLar6QF.2y6hMpfF_fJdZT3e896OiFVJDgFDMTrgbBUDZvBmuRDFHnpvqapjZ9D5cGJw_dvmmu.p49u86NtpplBu7rqABhGTJ9sK0bnM0V6kpknhERV2D5xvhsbzUrynwRvbhwsWeJkLUT4ktGB2JunZZ7fiZA.1Ftj9iNlb9zoUZuKx47WfyGtfn92Dn4QHjHmoqgU3iVU5LoQWkvmA0m96jYt601F83eSj7w6YNOD.jBqE1zlQumoXvWqQe6p1lB7a7Lj06WJlKdDPa8NbTw2TazhAFgFZoT2C4PZLYP6xcFJ2lLf5uHRaQnA7e0eDNVkFQR.6bg2LqJ6B6l9pafXLxCR4q7a5HniLbX6xTVCu6jEaMg5T98e1Z8_rh97Q58ur4Wmrsk74fzbMBek4AEAUR4jHv7EVqk6UbFrzJs1cpvNlIArvhNAV1wPsY7jl8tsZAGmLPyYgCps3B2K8R_B7sd0DDh3cJ6EfedJR.WbkXRIKVy.gsSyAcGtXPl2uy0ZtKUd.o8q",mdrd: "wtipVH5uFYFPsBHHqIDrRDd3Q88isohBf7vhjwIGi7o-1739393109-1.2.1.1-_G0U8_mVTLkh_bwCuAuQzASoEoo5jhE3CJV8x71Z5d1s8abHjdRvWlaBYNs4Y1gfEMkcCun4QKmJcOJpAUSriZz4.A1GpFeBSIvVgEu0YtmSyT9GOEjjCxxFDajmmvjH2T8_7oojGSm5GO9rHLEkh5vjJQbDCYMG9vXRV4Hf20d04Tj1QGUqYuguzNRyEWEMHugWcp27A9YfDw028GLSvm2cg6QnBmGam6VHZocn4jflGoC4a5wvVZbhMAKKMneFDd7OKIqH898yBE1GrBS1_CJmDgxVDLYMHCLC1elKeauCyjLQ_H0Q56gvF5kRZXEkpJ2ZtJ4Ns80wpxFTMrUedOudldPmYriY_ikglTKBrubMa22NiSUJ0PVaNjbkup9wQn5XFjPh70F8iYG1leUaI1g4UMJkBQDqH161gtqcZaSkqoLrIwqdkbBz7dd_jnLHoN9iuzpAfekmI6eRWByWL0ZQTfG3L4Z1PLi8EtkDGnsHcnw9LbB.eKvKNjYhMSHJRmiP4wdI.fIxa8ymXnutL5WukQEfar1JvXTa1lfY_PBy47QYMbbLq.FSfF.G9DC8Cgxh0Ewh3ovcHoOUQrQrBrLoUF90l2a0dgnNQHUJiCXWKWUa3G5FFZs8jB408AdF60SRudu994KkLLoW769yjGyqfSzNRDvAIqagj.pWk4TeH11HVTpHU_S5YSGB90QfrfvFfpzyQ3fOuWkYLjA.._TU4hvTcZ_UAhAsKC_79IaflqeczjvfG3T67aEFKm0qYkU6uot8.J8BERxwCPOtuOSj7mmhuJKqpHeeK2XM_FoY_dxwoLkh4fKqXABgKP6eYYbcku.vCOhgxBQoQVx4wy.YaLhfVU0P2f9LM6yj3NesKAlQ8G4VP9oFy34K1A6fYOXpjQmhHTa9Q8r.uMqHZT8uw3s9gW8qJc_OiZ_M5BNtgFc4byWCinBmm6lUahTulxGT6ac1GqHU33bxcWJEroVX3fPCCqhVaZ0_YI4CXSeHqppnJsvcSF0wWLpZERGiIZmCKER4lmgQAOXtfk_NMibeXT1rSsEs.azjau4jmC.aHPuOMpUIVJlsxZu5vJZfqhKwgC7djUSaowXmesHvsFsLRaHve1Lo0oXNuGdfhSQ4uS2z3JUdYwlsaSdPnSq6MQQlISc67DOoSjPm6uFRJccdydJQp15A.4AT4rs0ewGgMSkWakuvuvsjcgBp8qpCjnXuncOO0vD0KYnsejkZoEL7uFARyGIkhNK20trWI4BFvuZqqz9tpfpqKQSAh6KtJ3XIcd7OjTNVtRTcLea.mRcL09fDIfPS6PA2tL6bD_tt2hHB46Une8igrSVWEAXZZv8UN7OKt5YjXFhEnzJWvnoOdSKT2GKv5cMi38F63D4JOizOtArC.m0rvqKnqwmI5T8GthitrGSdalMRV5YWMcYhc.wkU84PuFfIv3WW0cJRUFLfjHsiLoEufslhaGiy_bAY_1ykaUK3iPgLQUGKO9vtDcYR5roxP_sHqQwzK0_gTBIk7rZPUXC5gOA6oVaTXIU1ZgYvUxIxykQb..58j3VOtz0btpzrkc_4AsJPpHpfCTvv.lAx0pKXXQYJst8lq1cOJ.IxpFs11FfPovJbkIAiLw2HvLABPtvJJOmPQ_kBhsQNqxl33d.S5TJjSq8wiXhMJ_y5MnMiWvGvK31PMcnxYFSStjRbSm9HL.4EwYJ9ocayMRoSehyUfQH4HyZ_FzQlNR1p6rZIWMXEQR4SEBE2XQCFnjIjdfGFsY.zCeLx8_aToMcy41QAgp4PkEgWZszo5OZo0ZHNzVgkoBZBTA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910f6bb39a1d177d';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\/9841235760?__cf_chl_rt_tk=5wSJdOSTnja0QUXSsh4yRpr9.dU4TzGxf4ev7E70XCE-1739393109-1.0.1.1-.dDl3aoFE98XHglhxegZ1LUIUZ1q7TA07XSyMIz3Wec" + 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