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-585031970816.mit-edu.top",cType: 'managed',cRay: '9110bca9a95c2996',cH: 'FBdBK9DENxvtRiEsSM9EWQryy1s0WAn1962B4FpZ22w-1739406910-1.2.1.1-2w9pSVeIaFVkqrGe5AIOx_5hbdF2SmTtuU0bc_Gx9KyyKdww6Yt4S41KSTXcnof1',cUPMDTk: "\/post\/5820379146?__cf_chl_tk=PxOKf8fZlrGvZYuTJF7CEZeu70bhjMsnzNuMQp7DA9A-1739406910-1.0.1.1-2aWRAEIDHqmbyNnV4vJYD2KxPecmbKiELrBv8TyxtxE",cFPWv: 'b',cITimeS: '1739406910',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5820379146?__cf_chl_f_tk=PxOKf8fZlrGvZYuTJF7CEZeu70bhjMsnzNuMQp7DA9A-1739406910-1.0.1.1-2aWRAEIDHqmbyNnV4vJYD2KxPecmbKiELrBv8TyxtxE",md: "rMWjiYHkYdP6mAIwTFvKBefiAdhlMvh7PDStJK11XKI-1739406910-1.2.1.1-uc_3qPDOdNcHeeZxMRhJjjgvcpjY_5RIIExPCibvM_.x1il5x2Fwco79IRkwappQ7GVASTBUkrv0Nzef5He2c0UPvV.2b4EmVqpt.OngKEqymchxQHILJH9.plSFDkwdGQbnGrHBjE6xijpYSNZ7fveV2B2F8PakMb2xY.2fDxp7iEE2CvM9wff2u05pQXUVpTVOfFxkhE1pHr8U67ImqFLa6owLS3A.S82BwpF2Gh6KrR0QOUY5MvBQhRVbUfOEVl2uTXMYtrI7uj0u99SQ.LSd8mrqik5LRT7CGR6.J_qaeMUxZ99YAt7trX9GDQZMGxuJPI9LxAj3yrKAya4TMQ0Lj1vkG7JEpPCcjOcx9WAdGx7uZ0X5Wu5Jar738xk.ltOOALYKalVAyA.8vxiaeJgxeGmorG.Zef2cDEdUxG.qXUTzmSO5iN42oMgnxaZyp0dQP0_xMY1xRojdyabS5qr6DUT65f0zmU66ak1pB8sHRNYmmwFuimKk_jlL0oUWO3nD52Ki06PN4CNUGh4WCxzCqMe8uufDsW0O77PNWLs1IvJKRxnePE4LE98CG_P.6ycM1y1G_RpD3aD89Dp2sAAvlYdTUnBXd1tMa4.SiWq6GcVCpNvj31EujsNdGWPWdDlY_7MNT94WVmt5Equ3ZQP2hetXxsKziQ4BQ5VJD4fdzcTHZc_BQdH6MLmM09bIw2YdKDid50uvK_JWYX3NqGl2lcXd51R6BpDsRF6BdYGnzZetvgPrVjXfWA8ABTFSyTEZDePgZRoXyIVAMK0I3NWAMO3qAgT26JFn9D4NaWlFsE_BeEwgU9de3ncXWwfJV_sj802JFgzosiK5.kxhf9bDKEYKDR.O05tQ71evCP61ggZMpVvDSGiBKAjIBUCXJMLLY_Vop_B9ljOJxI4TX5cKJtu3VV7z2Pp9Z8jFFaTawkME6dTTA4Q2qbgTbhA3_GfUygLcDuQXy3VgNFnhx6yszwHdlgk1xqviaW8iCc1am5KV.THQqBE9BLolso8lmLyrjhLGSmMkNmEKZMCHjSy2VrZlnaMrdoqonMio4PEq.f5bV12Sa1S1DrXwPYjB4rtCl_RU_.4KRkrYlumfA6eZE4lk_siIg8s7qZMYCn_KCRN1YFWfv_wZucb3HhZun3lOELyBw5Lg49E7nz9MBIbPuaJSz8tISCfLxYFlv13f.yzy5kLJiIKQsSyV8Jz1AZozmYjn28nt_daA_WzB9Is90SKHQgZmRl6yYPWoZ3CQX2o3dki5lSNBDc3foSvI4DHuXe3hiXMWiRgHKW9qewfRUKz0f14A6Q35.J0HLbwt3QFqT9QOa2EqBqTC13nxoVBYWQYBOUfiZyB0.bpV4qYB5bjCJZuHyYsTW8Y7R8cgK4SCDVE1pqdHGFuT70S9vdkNiiy8ECUpXsfWKZ1eYDWUwo.Hsyn_WW2iNJoewTIkwGxIcBJWs_6PvvrhFFw9DpLWOVLwYLBJj5mE2fMA1ICu.MfvtT4wT5OcQZEYzCznJ3VaoE1qn4YqWqgV4NsQo4PVUkcwOb_csCSQY8G_S.NMaha.PzLGyfiT6U1emdRujMQJgaW4bLLSdTAohZs1UCspI5FE2LuGATWQevy8kcwYOnmVijnPNKCmpDcWv9yT7WUf55Ptud_ngr5CfxvXJsAq3FmZbPaVhxpi3FWPblKFMz7fcT.RThLD8L.NABNPrTR3eZ0cdp2S7EFUppYjwbsunKmzDhpHKY7OBJY10g1xfQuwh..PVkCyIWTdOn3P2SWtIsWEvaJY.VOa9CW8wjEwVp0D5ph2oV2dEohDn6loKnDC_K0D7t75VNaQXVhvKXx1nvMefFCvrzpRfKJ4qtd3Zv7ShM7XkZ9p8yb08gZQg_mtzxS8fvNLaf0bUOtNSTtY8nCu2eaYYBAvC99Yk1W7i_qkCVtHG3BXEdn6A.9nJk0ZNMcnC6iuGE8cBYWjMP.qZf5g6SAd0Hh1_PZQUmEYxpAUbV4px3oOFhjFfzV8IxLD1OqtEkXlAzCYXYqWJHKWMdJWAfAzVS3.sDzenWuYEosCSGtRazh15PVQcFOCw47kjIGu2n9aExzRCQeXDoQjYmxFoupnz00s4x3IRlq8V58JVG2h8oYikSaG3HzamhK8mGFuEfE25ZmUDkSjUGQy2L2YbxwsDW49.jmHH6wvqJD4bVzEJcFJG7KK2bfvX3gOHe_VbY3O1fC0bXfTMuaM0O6Zy2DgPyJBdWV9",mdrd: "i0mPODk1w1EyQ06wVrl6bDqqlPgZAAtD6MmY9GMT54Y-1739406910-1.2.1.1-vX7ivPrhtjt9.kAAXi.TC5lCmp0oq4hLtPBTTQ_RLD1x6VaU3jygHogAO56Y_o.PNb8NP_7xOn84VyOo.ag3iXD.QDzALOphObsTUQfGKXgarqYqOb5eGdPUrHOU0AjdNCeXR_jB.0pteAZy5NvVSKd2_h0BDHzgp8oookEz4COXvDwPBjoFjmZT10jObesy3UQwsz7oODO1W4ydUwwwMnmSykA1ja_EstmpTlEq893Sz2l8iefg1Q4bb_7A5ksMLltsadj2S1.HS5tjz3PtsK3JURUfC1s8c.gs_AQ47EF6sLpGh9SaZ0X12GJqtqh3yv9RADOik21F5ET5HBmr5C8skv2TdqEtpxmsSCLnXnLFZbeQPEHYEq8.r.m6WTGhXinoocVV95LqXLnZnbpeOm9EmanzQod97hcCOvcPITDxi55M70F8.9I85AcQf5O5LxZsFxnndYL1qdJ_Yaq23BytApE6tC7szJ0yeS4Dng5RIPhhRFTT6tUy_nhf9GJmX6z2DsLQUDaVr3D2fYMx09E6AqHGVWfBU.ufMq0kk.klEs9nU4iyOPFx0VqOYKP8Dupbcpi9JbMDO9zNpBLbIMUVZyj4UZFaiaf4Bs0m0rxWMKFQ_wJrBBTk_L_As5mex8mjOkHPKfU2Y1foDxkL0dhNy6TOdSArDq3DG_eFmJVsYnGLpUxVFs8_RTUhvFWGzqtuhWfcKawAAvpILOiZ8bcWd43keG7hLkn0rjUQjSW6Pf4hGbm75Om4k6eGiMp6q1JX8gO3tX8ubik39ijQDetQxjbr_jbRQnUdOg0jbym9JLC5o1oazVX2i0LcEac4UfTcf7Izg_sAOwgAKw8XnOvphZsxaGSQl.72ZVTM3GMNT2XJHd1JIZoR6dB474.rYw9.pbdU_JFqWfWO__wv9CKpTSx548WpbXZ4yg5TwxLrv.KhAGHK6I6NN9nvEzqXGz63fuAE3McrSpHJphL1feneycrW0XTLShaSwe38qd5OBeTNHogHowHsPbVR7iaw3c3qw2LV8RfM241HyQSqX_clFrVPQZ8X_feRkERK4kv7_lC.e7emrmnN.ysV0grpQizuEmgU3jmTDN2.WFVj7oe9ZDQiSmr5P1rrK5EQKGwiBF5c._aXBpZAALNi.wlzrcx1boF7Tem3vrqQVH6Ygm9ODDoAR44rXXyhDF1hz6z7LvnlbMd.8zIMqSIEcWG.O9_vpA5GOlmoCALstMXuesUO8re94ex1VvUlIrg1mca3FzOsy7n7P__YHaHGMndJGyvwzbJxyN3pKHM5Qm0EoaNjyelYSWfaFnm9WbvAy.jiMPq.pjFqzzDEOPkkTYumIuOyp7_89GggDHyDxNgu.f7e9qz_QXjmsTUD9nO.lzS6AcZdbqnllu6zuoRJLky8M_rsSSfRUtzB2hUr38Atk7vXrUvP_yMBDiXoVoIqvbBpynLhrexKBbQ0DxLKQnOR2jOXwNoFj5.shMSEEoV3jE24bWZy4rMbnh6AQanV3TUfY3Sz7v7fcfKlJ5YWfoDQ8Jzf3V7aqx0OltIAnG4X0zhXDgPL2Uiih3LNkgldUfBRJyKl7YREkjzmDMvUrWZs_MemiPc1RPNbiN1TgPvWoajL0FtPnTvz53HrQ7iQgUp78SHfnr3cPLR67tnV1_0RDPmCuvEUAZgd1HSHe9mESVegnFkQ_JauCAoySvLAXvk3AaIu9y69IAm4PMU2OdzE7wgxqs472kOv.DEv8GhVbzxRh4ia5AVVzRnN33Ar73tKMRyn6pf68lAuofGuh1aoY6fFghLO0PWlJxnDR5JmaokL_FsZPF9wWEtnwScbujs"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110bca9a95c2996';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\/5820379146?__cf_chl_rt_tk=PxOKf8fZlrGvZYuTJF7CEZeu70bhjMsnzNuMQp7DA9A-1739406910-1.0.1.1-2aWRAEIDHqmbyNnV4vJYD2KxPecmbKiELrBv8TyxtxE" + 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