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: "124965.mit-edu.top",cType: 'managed',cRay: '90f4c645283e9c6a',cH: 'Un4ycS2nL9oXkdZfZ997xpG1pIaw.Sprx8ux78nxcqw-1739113703-1.2.1.1-_9uDrTYQAVTPqy1C4wCzKQxVnYda9TT.6Kk5D41yWAaZyA4p1jHG5jG1sWv1tkHM',cUPMDTk: "\/post\/7984256103?__cf_chl_tk=JPQHsrP5b_w_ZKhxSXOH79u8W8RBIrdysCgcb8WLYI0-1739113703-1.0.1.1-6PtY5L.MkLiFTelLP603J4lQpVWTgR9_I5y8qzoiFm8",cFPWv: 'g',cITimeS: '1739113703',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7984256103?__cf_chl_f_tk=JPQHsrP5b_w_ZKhxSXOH79u8W8RBIrdysCgcb8WLYI0-1739113703-1.0.1.1-6PtY5L.MkLiFTelLP603J4lQpVWTgR9_I5y8qzoiFm8",md: "gX2UK7M4wN6Q9ztW.8v0LBOBXy3YqVOri1RmcfAvRb0-1739113703-1.2.1.1-2WglmXy5k9c4KjBzYuig5rItFwvNmZ5bSAf44mGRaE1IW5Yj6Jfk_Qa21zAruIc12j7uT7mudXOOohSf0.EerIBuP6ZFyHkag97q_sBwWGs8C3eCXrI5D0hu8QYAQ0jTppg0FYbA54xnop2d1OGIg_ZqKUvBWbt9j25lqdb7SGjYTIiJKty5kAqUqVmJXm9G92YTgjrP5iI_gM3Ej5UkBMPXUp54gYyrHWQTagE13eLIcbl5orL3XtZSC8H9swG5_ApqkG0rOO6SHHDDCCehYK8BtrPpSYX8tfdk3SOm6L5ITRfKRg3bOcbrMmcQS0rnC5kCNPAOIbSZ.XelVhwklTGTLDPQ0FMXfVPUh1OZ.6Vn6CpAZuaiX_IYwq4KoZIPlZLPaID.1slGVCqPKuZBWttMi6i9YeRYZf67MyKiMXoA7NQFExwbhRxN4LVbnqOzrBbSuzHMqhBwn3TdAhZtOvzRz0Ak9LoSloXruTdeRJSF4Oxg6vXXebh4ZABATus6anMSIeNIzqGHxgUztm8JDL80EzqRBGHvUJO2w7tyTQcxzFG5eSTs9_Uy7N_otU3R.AjlQlZsxdlb771J0HdW3uf6UH0vDF69GdmnaeAClXyR8q34J081nQgmEpayy7IF9lxQGfOKUkXasJDG_miXi5CbvuFJJoRwJXdiiAEbWewqFM01V5.b2_aMNCk6REe1_9FWKXw9iKd.1XHZvT4KZmexcmbFvA1QnuJMuS1haN7zDGXUpV0DFrm1_e8ohYZFXZuQHlBJQDsGaO1Sfr4evGz.NLTMLHbMkyN2492nW7OW6GUgxrIBem8uPL5mqoPiy0UbKWK8W_qfdaVOvyc5V9fmZ1uto57uP0.sEnwrViZ5aspXzobJnsgYyHQbLsKRhiXc99o68qto0ho.R5SdvEU6BGdNYWyeL5O0IDo4RZ7GauYfVBzjylE5mcU4a53K_eG7vdBvdgBVtXcGw2oyqr89o9t17OKc0Sn9NAeKZOKWymkftT_YSp7qvEYKluYIkw_mWGEyCaH9dyK21qAhYJHhNiw06o3icgLjvfBd2ieQBcQ677l2KxX9LUiM_s1Rk3eBzjGZVNYDfpy4dL2mn.OPfJDRyfQ6LxekhhWhuITbB8I3_NpYG_K9cg8_.QtffYVHkjOVLT_g7.GaJF8fGEkZ0tz2A6pHh1Ja5ygnydKCmwagCJP4thzuhMGMLAWO40.mKJxXeAFbgnY_eCbztH7Q6jLu7CKNmOeXq2bW1iyt_VaLQyQy1ueRgaOyLI_yxmggQgGOcSC8.lqioMOtbMLg3V9xzQ229UlRcaBambHTdVy9Mx0COQNgbXo583eDamBQ4NDRMWrUtd8KS0HfJhGbLUhIqFo6CsxEeCgQ_ivtVoTYM7CU4QTG9nI0ba9R24naS45EbQpruWWe7FOc_Mk49fDYHcTjl6aOlHMdYh4rLx9pzVIyEKfJJUkjDSGAPIzUFmVesnlRYH75hCmbVGWNW7bfckNTaw1F.uii_ui2ezvY1tcR7Z8_zH2yMQDgguXcMkdaTwaA04RSetkNCfRPyfromLQ13t_O5uwZnusSH.HjGybZlEcER27uWUWGFc5ChNWDYstPuVG.cuxOgJaxbiNflmwvuMJqAJ1m0yFsw4XsuFeAbM4jmH.8m_C5KOlsNZDxODlxWSbnf50pcIiN_0oU5S7r3b5xneOFuFqx4ZF5P_qX9d.1KVaNIvpLxZl6_qYCBTRyb_4fkJEvMYlmXW2DFhaI.dR3P1vgprME5KyVcux7m1BrLShQgs.7hINOCUMEy9eLYzrzfeg3OSAutfaiS4Kvg2yjoXDoEo_RVwiPEnOFnWQpnam4fSlGI4APTe12rhgE44U5.OfDZ3OnjmpixGIeGZgs05SeSW.sjIwq_0IqLycCYWJZR6xz1e_Z6yLK_ffH8K1cr.KElYGAtM64tDG1GxvDKIIntR4VYo6U.ro6v7fuaiwA6S1EIQD1MWJpR9U9ZbYuxN4UUz_6bOwHMzITCS0aghtWFwSnk5JelHLEW.pl.n8MD3NdSjpD6Z8Z7hIrflURSbsOQHJkdw9B7rSVAAWy.dBIjl7Qx26o2G7X8KTC00TO6xBeNtV2mwj8DYVIAkH6UNXjWWUmKPkHLILGEz4rdMA_HsPmQYUOjhdR4ItVkZqBATNbb7A_E9eWLW8yxRQhO8QumH6l_3.1EOlGdYbmAHVqIoM",mdrd: "ajRRzR9J.V3kiAnYCDSnLYNYLp.RK.BXm6Ybyxt70t4-1739113703-1.2.1.1-Ios0Bs.cSRSq9TFlP6NGX8195JYhPe_1nceQqSuwBcJf9qsc79TA5S5Y8p7i7_hKAo3BNVaPQQ7hV2L6yE.CQQdfk5awWf9eV8O8TVQOo.4Yy1UtqIHuBu49Loe_LDz8yMoe8wBvw8kOB9nbI7HulNZVKPxjeQuK9j1BHRD4YzN1ZRn_asmqE9i73Zrc5v08RduqCBKjsH8tWAfDKCkXfI3Ehz4xqKx9LXbyTl9qwOvHiVFngo.hL7QB0GfxqI1AhU7JF2tnJMZDDDASRrCylmk_VWJXmfF0igfKhyj_oUMgOr25X_5fgbXliMEnHvc2jxKxjlSAjeglYqlsYen78Gcx24Q2QUccCuH9XSQW2SpwexkIIHX23Dkh6w1gGFUaR5IJ62a.Ew5sLlQrsGCSM1aT.1JVD3YhhH3hfLoU6G9JBD8ks63LgPYUZvQTiTKpgg_Dxdy0VvFjMm9o196TcyrQlIhXq3p22FmiwPj97ELaOJCHhzJbMb657sFCQGuQMBXlig4IIHbaALGlh5b5xdDO1gyD9G9tP8kbRK3G02SVwEHLEJA1Q0eRdZxDq1z.NwZCFi_VM.l6LJvuuxZxSA1oh9nrERdA8UPJzTv6EwoyJaIwiaUSVMbejL9XrpMn7R1hmbCoqsXFvYfHCLsiXKKaXDDxjfPlJIt_oJOcoQeT0O.EvgiGoNvXOHFd14TsI4LWuomHscl9jbovxSx70AfGMglDwNXJjfTb3X6l4udgz5gVIahANIbq.3CbrLS22bUOHZO.AfsO8EsRdcpiwY.5fmUCu0B8jvHLFGdiBzvNmy7JLnqr8xg5j63HWYw4xfCZiXPKnPvyVoXLAXBtOAb_ekDM5ZRpgG_yFcCImXXAxKAhUIWmeamQyTOMUGmEtfIv471HDwoz7aI2e127wNFcbEdoLmcMWPwsWISd0UbGEqFlfULPRm0O.hZGtYasMu4yiGZWxJ1wvBKdRhLq6HXhq0OHuV0PjgPo_f6mYMT3q1jb1Q0DB5uo84gjRGs3zJFyHB6L9t_ksBZ8LeTFdBMe.XDfq8Pr82lHdopDUqBfoL9PiPL2xx3_RLZiQiE0dlyZoN1aBXP2J6CV2WfUMhFQCDQRlelGyPLMEA5GnG6w2ZKzV8i4eWiE8qmWfKTjgPezDGAJuLSZXhpgRuuU0ifMcEKRDGVs.VemvmhiASdZejIBWpy.MjC4W1bunprnjnyQa_3s46STv9BOa_YUFwJozkWg7WbBKQIJTsLf.w.rFq.9Yhi2ilNzXkTqPbvQXB7GxnWmmz2l69HY2qT2UoZ8nKLvaNrN3JZ7ismpCPWtzw5MDtx4dOvEATU93VcO.nT6qHXz63j_G2BpH0h_9A2UjRgkNGvhQPVfv0sU25A2supt0O1De7VeuRuqgNpVWHeYw5j6SdyIWxharJvXNtRBFvVAO11DUt2Z0G7wcggm3yHwcJ7eZ_cbbDODiFluohP4Fevej0EvbOO6lbibbWIFV4eJzdrcoE2ImSLVmwjD1.LeCb_jW2dLQ54Rn6GJp1BLo8qJ7fnRsm.aa8wmvm4MREIT3THqYJFzCvVF_I.MmlJaDwaEg2WNFMDVDrnhu7E2P8IWfxXevBU6RJtxlS3Algcdib6PthaZaTbpZDwqE23kARWEAAynbJK2RPtYxvefVh.5tWr50dd74MCsd3O5o9LjGpjqnSbqKnQrH5E2ffsnr5_J7DefSJ310S_LMqCnlw93HydpWmr7S7j6QUTSsygt19HMKDsKMshHHs1gZzd7Kll3grtSA_7vwQ9P"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f4c645283e9c6a';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\/7984256103?__cf_chl_rt_tk=JPQHsrP5b_w_ZKhxSXOH79u8W8RBIrdysCgcb8WLYI0-1739113703-1.0.1.1-6PtY5L.MkLiFTelLP603J4lQpVWTgR9_I5y8qzoiFm8" + 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