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-566816303260.mit-edu.top",cType: 'managed',cRay: '90f36ad748e80605',cH: 'qp0oQXAhK93raJIN.g7_2YwMzyneb6ZSDTQ9QQczfUI-1739099472-1.2.1.1-jy.Q2VkDAlOqKTlI3U0Ld5NdFP9P3H0BewdfRyl_IygDclSCuPRLqvQqY1mOztqn',cUPMDTk: "\/post\/9625430871?__cf_chl_tk=SKCYctZxFej7AuCuF6bAWAmFk.F1ElzUuDW2jDvYy5s-1739099472-1.0.1.1-Ib6rKmXYkPHGGTaZT6gIlbC7ZOrAIOIzuUNJTOsWYS0",cFPWv: 'g',cITimeS: '1739099472',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9625430871?__cf_chl_f_tk=SKCYctZxFej7AuCuF6bAWAmFk.F1ElzUuDW2jDvYy5s-1739099472-1.0.1.1-Ib6rKmXYkPHGGTaZT6gIlbC7ZOrAIOIzuUNJTOsWYS0",md: "RWm4D7NUZVCOWcjbC1nAdBOZ2qCxeircJpgMxLyGC6Q-1739099472-1.2.1.1-RWH2MC4DP8YPPe3rQmWhubW81f6BDkfXGj8oYRXvr_l7ClhQv1JR3K4z_IoQ5B6OO3Q9rUwxIjxGMrcPkLGDQQCsHVzfmR9uZGQx0rySik2ZNIcAc4iHNqtEZxdi6GKMblpuqFkOQCT8Nqo3GoGiCfu9c9JTCGNhwfxT4QRz7yTZpAvJHxdp_ZpaOxNTjQWO0WflMYrNJBdfxy4xALV14oC9Jvi3INcMr5EKI5T1OaQ43lYbPf2lXb12.cmftNhcWrGYq8DmKRsGeHgYzYwsCvxVlvWQPehQJAm05Pz_C4AvYZ.3FcP3plSV9FAj4bXtzJKD6ECnNWNtFTwUXQJHU7GVfobg0AtBiEzBwu5rROZLzYjlLIwg9TKRDUslJfgOEo8VXIOV5Yihv4VYUVLeaOTx6DWUdxQqZ2RaUsz_tSLY4jRe.Ko2UpKarU0XVE0sfYROMt_zKcH8VAadvWl2s3RFKX3kbB25.n_3VVN8P4ClYu_QRB__wUpxFLDL8uQqL831eTug5Li0bNafGBIFoe7V7FABIygUstjDOIokjmxtMMT17Ml3_wj.UwzY.Gu333PC5dtstAsJot.wsh2wF9.cKwt25EmXk.QjrYzvhD_EXHt4YAeWX2r5zXvxUWiDubl11QY9OiUfUgdR7Vz8koqXJHBJoTnZh4QhOmc_dcf2U8aRIEeMYc9TCaqf.c_pXtyH5UgNR7j0gOl26L1oHIl3XPl1F9PduAX_Wa2M6CoA.5oz7HUTSaS_d7gIOzLd0qGNPfo8.kaHowHyT6NG8qXa7e7KZqw4AP9lJQvWas7kuNIdRFAupVSEuuDuQPr9qbJ69YyhKMJU60CObnCXisuAmqA.U6xj3voYwFvJEPRk6NJgo4pGCI.ERjC0mFpngFi2pHEB0yFSTSRsW92n6gHcRMpzuUitXgPhVLdsj3ERkyBsUtsTlidhME83Y0yu5Csty1gr0ufkZfP9qzSXEpWPag.lIr._EGiSRLKYC.WQZGLITteoE3G_ExOOvFUEG7.9z.jsu8CDn5DOTlHzB5r1QMJa9Emuu7GeciuwDs1g7CbpO1aBE2UQx8LkGk_ja2t0QJLzANBuwKJHRhvPe3ricJWH1B1s5gCGB6.rw8ILTBS6GN7D4WM1oSgCoGJ0nvN4B30LAQTARMG4pwrNS.cZPIgL8PxJ.fYVFNhTP8SlWhXcS8NtTY5WDhpvyvxT6njTPJkp4akR1_pGGt__yncSFBt4Q9lGr.ab_HshMHqFYJVqbvM3MuznTdcfjSoRfTOZeEF2SMDEsyLDa70Tcbqiy1ksa3k_P3a.j_US9VbSWuoyOY76jNhgZVukGSVtyDChVfeqn1_G0jXwS8royG6qsWfsiAAIPjbvySVqdUWRP5D7PfFEISgkpGpsWB6UL19N81CSTSTCCuLLoriUnOoXv0TrmsEE9yhh3V_2Izs0JUDLXh3yJF7GsSjbButR4F9XBr2Zj3LT0DDJq1HJWaAfaoQDKEVipefQDXup9gSTk4aBUHv9LO_8VL06_ijZcBwn4kq2gF4dPtqSagLVEsz7IS.71gAjjHQVSdnWzjq4wL7MxZc_rmvHimnKjqtE9nXbW6imma8FAi14ajFLpYZqmrdafdez41MEOoxZY4pxJGEJpNvX2uQHFa.M49_zv7XQy2oG6p9uojdwmYBkwGq7Z1KxeNfNZ0wF1tLZShvWgEHzt9lGNCNMy3lHKn0nFT89v8aMyRmInnhI1VPFVOkASAgBOe9FKb1w8dnYr8hCKHzLm3N140GLkWioWy29zutOAp2QsBSvQ0W8orhqezytDL7_6T_zpxMJ5diZPLA7RPldLtBmHe5ph5b9t_Drtya44sTH7K3KSJgHHor3y7lxr5bRzACew3rW4sxafqL7yCNbBgZQozAvJR7Dku0CZDJX0ejRq71tTeeVzaUY4bKv8wsoAp_rbsX369QQ3UMJKCeR0ridZCZ2jU2._idDHRKjnAj5lgckKWJPgKa4rRmWbckuQKKIcHbCiQ1Lx8k9Jw1.iZj1RaaWmQ33KFVGcV_wB_SQSbjbCd9P5FyBcRIh9NC.vMhRI6gi56jGs3xtHGTL7bp2pJ0UsAZ1tIqQ9pSlQ2KJ8NkDvbXeHNNZ7QXe9BlEwad.NExbmgxi2OIY5FhAedAOhRuarEi0wiBb8VHvM6YBaVbi6JC00WDoTlLzUuG4UN5xXPkG9T8wr_aOz9ZYYWrRPlyfTLIQOh3J",mdrd: "4eUyDMZLBsjie5saqVEOADV4nLhpNLEvYFEPNiLWDt8-1739099472-1.2.1.1-43zwMjMeQ8znNMt3NGoXkALH2bwU6mCJvAkhjl2n9K5nZ20r4_RE1.DrmmjparuUaP.1gJyyeuV.lPK2ExuCnt804fSRlLJQXDKm3Y90xg88xzhZyhuP2ZdswHsrcvbE1gxqisVApKji25ZoutN3TT68nrWYp9p4ZQjv8MvPhmDf7o175mDepvizNw6A5SWlELQGy1b0CWCiUTGN46db1vY1RvD79SnCVLdzl.9B52Qq2mzAUcZmzYvfatSQuxlpcqkZZzPvi8sxkSuldL._H7Cd4HbSKfCgCDNbWyRvrINigXx2T51W1JFb4Ku2XwIveA9skx7tRvTp.YYgDD760OSmPHCMEVJDgMGXmGYf0UMuBCSYqqSdenmXbkoz4PIKI0qTbQxa8J1VlddiO58j4ySksC.ao1NI314X4Mek5kW55x_Aoca2D5Rhe13sLGdVg2uripqgiYvXgVeY6ebECX43T7I2_eo.9Rnuq.Q75hTGL8NYhK8Lv921dzdMrVXpepCu12AF4dQPmVpJpbglCVqLuqav6Punlp4OPcO14HTSs09Ua4TTV20LBjHE1enVAh.rFBo.oOnFhj2Ff1jQwlr4SNRM.k8LPt1wOaWnsG4QlunuCxP4ERfyERnchs6tcMGZiogv_SAGWcb5PcKX1wz0.KTAntheM8Pjvw76lFwsUvg5mQERwrUReerP7ZtwiMaeuN4etCy6Op0v4JWGp4fl8.6eUHWVulTmZiLofQiiP2eQYd6e3d.2Gd_4417cU7ty9WTXw4nLxSBEmdnfD4AVaFUghsYLnKGXU.e79aYyeeFq2.jdYJgINt2aY2I4Xnl2ycZinQ1VGd4ILx5hFX9NYGEDNTyF.zV9DfQN_fJsKLGItUwQ86W7R_JCVjIRhnsS_D6J1c1V.U7xLvJrwk2ZqZD7HfPPxruGu1O2Ng_cWEiagkAmdyj1p0mfO06SykFj4.P1HjOuO451tI8TJwKVc2wcxEs1WiAuvzGJpreho_z2H7SFZx3TzIFxTXaOTcJq9Hl2NXiv5SvxunIb3vTkzSgLIwEAoxQtWjP5oHS3rAbjTdp6cqyUYmzZ5mo7zndu.5WFi_Vo0vi81z83Ojzv2sb1Siu9fYYYrB9EZmSmWLWYEQx2SekMXZjLpbq171rpDFi9Rj28BG6IIOYZx4erwmC9tOj4GqtuSGNX8Sn5240ZJ4_GojZsuoSytsCIf28ATKUilMUImpacgoIKLvxNhTDj7SdQjLb_iLT_ZjJhzxBxPzL6e5NxAcxuMr0YzmQW2lD_G.N7psikCzV0oE3nVFPha7AEctOOLBXVurKzuGjULjQWM39TE0SBuaJWf0r_d2U73dtVPlApq7xFMWguYhMJkYye5khO8gdXuDp6GJhfeujWtcC0Ft72jSnCyFb5EkoHWgJ6AubRrFhkinRFXJNTHRP2.g0KIMCn2fXygtfE.Wb5oKMYkGwXU9ha0c_IVZNYAoIfvJZpdzERtpP4Mzyt.gLdTt0dYmedxVgZaLMcz2zTjjxmBPcyhkpkPpt3cpOilbJyRdoE1iSwCUDuvYrWnpJCTZyjWw_qLFNiD6kH1oZeHgzZtbbOB7D04zhEvpABQSAD12GCsDPfd9xvEC3cV6zt6YL2gZNV.vwJ6eH9iZC_Ra6n7AtswGLWf6qPW_wjSHIFlpqnbU7gyH8YqdgSuXQdfeY3a2T1lZ9PC269y_bAq6R3Zsa098Gk7uO9E_vBC6BXQgbJW7vEQa5xwIhN6h7wtHGmYarku2gwghB3y7.1s97CtoyggTl9ia8POjbjQKU9oqZXPu9fEzzKnk8VdTk2OJKTFfLGWUc"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f36ad748e80605';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\/9625430871?__cf_chl_rt_tk=SKCYctZxFej7AuCuF6bAWAmFk.F1ElzUuDW2jDvYy5s-1739099472-1.0.1.1-Ib6rKmXYkPHGGTaZT6gIlbC7ZOrAIOIzuUNJTOsWYS0" + 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