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-259553928271.mit-edu.top",cType: 'managed',cRay: '90faca059b5117b8',cH: 'piTyq5Vhb2dBee_YlhuTRtnWI7meJ2Mq6Itl7M1NZUY-1739176771-1.2.1.1-sgN_PbJAtms_5TfNVwGmj_54R8fX6iZSYYEcKodoc_MPZFgb.5zwizBoH5gknYSp',cUPMDTk: "\/post\/7291634805?__cf_chl_tk=vQA.r8xr53xlRycOkDED.3coCQ9Rkza.1f1Nh.ORUFw-1739176771-1.0.1.1-4eiccPmDjuhK.iYo14IaKLzJboD9.YuOG71UT8mbO8w",cFPWv: 'g',cITimeS: '1739176771',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7291634805?__cf_chl_f_tk=vQA.r8xr53xlRycOkDED.3coCQ9Rkza.1f1Nh.ORUFw-1739176771-1.0.1.1-4eiccPmDjuhK.iYo14IaKLzJboD9.YuOG71UT8mbO8w",md: "3oAecf.0m63IKTV9TU8mG18eJLB1SsqhWwAMoGZGuP0-1739176771-1.2.1.1-vTDhCuheAWqSb5xl5WJjFilFYWCe_j44og_QgInD9WLzE3qoSHGE0DofQyyxGwPR6g1.nQGdM5PfKAa4N1f9BK5ow3bFjo.DEhwmjG61MIfenZHFoqvq3HDnPQcUvuL3HETkx4YTRpMn9oSq_cecDDNTe2A4sNyDMI0fyK67tKdU0xkzFVQ4aaT37AAe21vIyOx.bIYoeD.ZXYxv6Y0bSYvHI.AJXzuUoBik.TloGkoDahbTjKeylh7qqSw6HdrDm1SMkUAuI6Wb9oxY.d5IFSeEgv7XxNo_8yjNrf7Wgr2fUWjtJiYxmhncQEKA_IZwXGMZGP.Ir6xLYCQ0Cp8LC.S.VTuRZ4.H2znU1c6xin2jX8H2UK2PUNvMZvdAvhAl0JcNDAENnVmwdan3bQ8VT7D5dryJ6opzwEYtyneQaNZFcRYC36Hz2zjMfKaOjbB5dRmBxm8AndgLtA8bMHqkoelmV2YL0k8l3sfsR271H3gs7oN.20WUs14Qd8UsCKj3j4i11jYAl0MMu0pZCPezllR7F.g.J9_acV6.Bf85OdCER.xnM4ZBZuZfmZQ6e71De3fQO9R5zPYVMqnaw.oWIJfKins3ZwWYV1WgwNYfgrkqpmSxlZqM_jOMrbipn6V7pQvlShEym0J.2iPzqosYmyE2.io_1Id7CaJK99Nndg5MZpNTK6UWJn7SY_5cd0CbRg3uIfT.T.1rQJLCSAsmGe9.iXiSwUAMF9GVI.fWHO1z3GPz5I7vEmha1vjoN9zAYXY8DwFD8dsTtey4xDhdePyi8xeTDzkUZ8ZtYLfJummOctJfgdGyd8cUZKxalkYVqqacCB76RjzognVXnZajvDrjkUBDjy4xBN8suCX1lZRlccZPS1fIao.nw4sqf4EQV2m.knjV8cX_B6_5dCbUSW.wJjXFQe8MF73UK2oQ8dmlQTvl3qojZammp0L9lJmw_p42xOllKRD2JRM50k2hz0Wo1ipoZuED9zu3T83ge_17OZmz1XrXWsihoEWF61yDxuDGwOnqibmSVnHuzhpc8qbdQ3MbhtimLDfTCEszMlviT1knsrw2rmsz_dMoApFKjnKiFwQJgYxwN.a_v1v8l2IVLK5fnq0zsmmJCl0NN94IjvPTGAuFIoFJb8FMgkNSUf2vcUIjmSfJglh.KNi54LggC3fgnpFKJZwRypAGF4vuGYDMa6qEjVNi.QvReUJRnb7kP1yWTy43bns8C8Wy8XeoPKPTxYxNK_vPLiMIhvn8kncDzCzxu9_.6wtyQNRYK0U_l6222.jEwhDXJLzKWy5Y_fKhDSn5vInX.8o9iHTH8npHULet_6yNFU7EVpE1kq2KwZB6z.CxM5I30JVysPtvhA8SZOO8OUzBrj5Jzf_XWB2pycVjePinN.UZg4NlDWH7pZ5sGRzepZv.wbZFr3BqV4f7xQNyJ8AQU.HPJ42bP1ca7KYITbLVtOgw7zVkELpYI12knZTsHHIzvJtV_VirlvWCY3hfiojf16dPCG7eMT6p4vnS.0QaiROlw7LLDCXsHBGP7JWNc9sHSUczEtjElVBgsPF3nlXQR9NcsfDJs0akPG0EdXDs9G4mUeXHe4vyrEl4PMVRj4IcQN._2KfrGd.q1SXhN.qkOS2fUF_efgHbrf.E4Xe818tzhjG04L3gXf_Li63uzNhyvG11pdYfKXNnNVR7r6BlG26u0gSFiXyYtndtl4uY.tJ3AmUZtwjqgZiltE2I_Jyh5RsUuXMWlojzfviOHF1tJizTe.jGwHZMuVIXWLOI6FuviuJLxQu9j4vekxIWTV1MnlOSGVqsWGUrBjb05FPuyPpVOU_QVxHduJUcpt8haCFe54h7n7ZVb8McdyyzlTogRG7Et9L.L5shPIRqw6TeKw7ajDztYr2hcUZXnx5ZqS_miPL6lc6i_Mjg9OHVqFtsxwc7fxeRarK1Zy9mW9YjgIsh4iHdcgw1yEcYQHCZYq.iUAPp8ghUWFPVqwAsYeX_2rjG8VM0y3XXrGci29my41NFKxDh6nFnfEAuzXvqu9UyMctaXhv8JrYVrlWO1ERLIFlhl50wz4pnp7AIiKvJv6aAfUzYd3LBLJ4Si6bsMEdZsjH14AxYXeCYT05gDuRc9lWoftk.g9SXWIitcSdwznjSj2qkbCwwsDue0HbegT0eKjJt.pYozh7zCpx4E.BQJIRgdlLryrUP9seeObZCoro_0aVyG.57GZ.U.FotBeeXIcYV",mdrd: "C.88Bt2fiwje0x2haIkFNZSwlwENyAh_h0w1vLwd7UA-1739176771-1.2.1.1-.xxrVFARdD.yEPzjlZuUSwae2Lj3Y9paBrhaJ6mJVDTxCZ8UgpVLaTZqz8UNY5MLjfVe9MB8v2iIkmEMs.M1gHslKM_7.1dh50jztcfLNiSRjb7HWczHdVFc4WZVlODQVV9VpBdAt2BDZC.vHWgBprvtlbhRWLAuzv7gSkXBfGQDhfduzeddw__7gBMMe9930zsnrHhXHK5W8eUDWzMVRRHsuYLiAJ9FQc_ZCaNLsr4wtSc7jNrkWo1tZBo1dPtswVcf_oA_7fdTFcVvglJBv9e6W1M7zHJ4JMbJ.8SS55GU2248ad18SoJ3tuyQY.F0XTOyvzx1w8yTPbamIpEzA0DcjKnQkOcJqh1bO3ccmFxrT4byGgPS2_c4zWKlYAOQkKDNyp65WlyjaEt3nCtRoRJY4JWfdm.8G5N5bH8N8jsx4xKgI3kP5CAL.i98HYcJRyc.2Au_hUO3jQtHfOMaU0Wahm.wLJYvhV45F45GJ3GOzQ0t2Pw6BKstmO8dXuwMQo7pPjWBFmCWooucq4UIL8zDXmITHi2x5FkeYRUpswx3IqOSnyMxi8GgKmaDMNNt8td4ib498_K0lgLB3Gl.DDCVJhYTigPAL4_yf_r9IEkcSwR7qMSrpsB2fY_Vx_c04.6TuE3bYKC2HJlLo5NDcTHU3kqm2mVnAJ2LqbbaGVD155R_BEWujOo4w334dpVORC7_egNNACZTXDRjrHisBSM_UDMpZAmNZDqdB9yk8jCo19hSrVJd5nUWq3aYlr6W0FLDkb8Xh0x0bzDm3uv3jZtydWqAJJ0EoBva1LsqRodx91SuwDNZL2U5fV4rNTXALwy7vHPRhiv3y95G1gQegfDP5q9z4hlOp_HCl832YX2shYl4nfevXvTtHhxsUNJWzw2wCjOS6NJEm6ZqLI.S3nejABVlXVf5s5AFWUvxklW79Qx.xW6dpe81UVrROnzTgtWEwbp_73xCxcVv85UL7fjU3tnB1ziX3y6kg_xc4HJlemjtN7vOIRIromrDWXUhRVwvGN.E1QnluU2862Ru3xroUk7zMUF4OGpyoiwJQBmREP_TECmHxwcS4WaDU4V8xZBv2OBumWkfPLWcrHYoY0JdY2FIWmgU_1RLT8QeHoetrwRuQIVPL.IKeU2RBHMWuUXA7w8p_F3BnXHDd4A7xJbj8IMJwpiLQh.urkzFzm63XN3EXTfdbpBxgvRx1ocU_.vmRhnaFO3TVW8BZwrmU4k_xThMjXNmfQn1V0krrC_R.xaNRhAvDjUjWQa1DoCdrD_CqkebdXbqX5zsREtI9viOqdcUoM4g9OvDKF1jKZu60nIlcUnO3o4brlM5lUI6bOX2M_pgbAs00uRSirjEcQy1QTtg5K1MTfpJfufXjA54D4BRwfivN_qAo1bUTYZJO9mG8s7tU1G6vt62yg.Wq.3ht5gifKT0kY_PufzjjVHmvaXb36EFr6Igz3GmIW_Pz5aujRWf6UVAlV9tFe5Hb0fU0LiGXnq16dQpbff4LEOIUFZr1osggbuY4qljSedx18J_cEARnBixopcks886.w6dSiWeh12AA7WIYcuaKV02_YVb_h3XTQduUVAhqiBussGuP_V4VWXXmSVUYHLmFybaRPJmqBkGPYqquHXjTVjKL3clQUelPXybbvwTtcfuGyhtr5G5PNu_vHR8RJtix_QdsdNSfO8mgAeTa.7OwUsAlDkdQvvqCTNzn7VhdB_EugoQjpTeYZBSJ_94OEgeqpJpn9xnexDoPJdQ0tvVfv7BOVe7T.l.N8yNgyfaCINfAH6WJGOZHnJeB8BEPVkzVA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90faca059b5117b8';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\/7291634805?__cf_chl_rt_tk=vQA.r8xr53xlRycOkDED.3coCQ9Rkza.1f1Nh.ORUFw-1739176771-1.0.1.1-4eiccPmDjuhK.iYo14IaKLzJboD9.YuOG71UT8mbO8w" + 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
