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-397976177603.mit-edu.top",cType: 'managed',cRay: '90f37120beef577e',cH: 'qjSUMK.2hSbslG3JDcW5maqvwzoeUsMiRsTR5TRccP0-1739099730-1.2.1.1-vNeNA2jJjjg1glBaEbJmxIlt_ytfl0zApSj7ESBXDCDHiig.NX1odZH0b_0srfji',cUPMDTk: "\/post\/3578612094?__cf_chl_tk=ni6SfDn1mD_FIqodlxiNFn9g9ZxOy2t.S16fiPd7uhg-1739099730-1.0.1.1-HAdWbEk3lniF9I2RXhETrQ8ASkFbjv4naHtYuUDC1VQ",cFPWv: 'g',cITimeS: '1739099730',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3578612094?__cf_chl_f_tk=ni6SfDn1mD_FIqodlxiNFn9g9ZxOy2t.S16fiPd7uhg-1739099730-1.0.1.1-HAdWbEk3lniF9I2RXhETrQ8ASkFbjv4naHtYuUDC1VQ",md: "XMETcyOKPM8gc6I2Gx0hF4x55N5D0jUhofQX3mD54ts-1739099730-1.2.1.1-6.LAA2rpv3H8jl0qbfl8AxyaRIio2ebfXhPIiPZiRK4yWNsdScc8oow9RHAuq3B2E6ModHH0ECVp4rCqQ0IH1qzVzZOWBcTs47_AxAOkIhK2PDkM5.w6IVvYwAVOKU_E6y6xvDj4TVgTLNtai9feAKPTcZHYeA1odELOFJqkqxJEOFJwXhCqjeGgS7UM99R91URdHQ5xxG9Ymd_aCOiLfKUqU7PlyS5YII.UU6krZzHyIyFFxzzMpZWwvpzYltFFDzJqHYL.fb0cpoKbZ.1lwEMEn6DXKN4p9XnDpj57obHydR_va_A0v3I8r3AkWXF9g6l3lFmu6s2TJBUYFmaJW2UOQrxBMdnalQM1zQyoP8M9sreZuTvIqacuiBHLptKEAd9UqTHuQalNLc1.Hw_wfWqqHT.QGzledCN60Nmd.f.5aWElHkI8ANC1QhKxhNlO9L3bY8hJ_zqYV_anBhGStMuiPdGwa05qaqvAXUBgjkDeAnKu6hy_UxsTeUHKUrU5HZIrlMzjwpohx9pHqr0_bZUrDbqawTbn0XozUh_x1VweJOoSUZVZYt01yjoXYo3UhCt4JMIVjLqDD8gpeGpzFTmBgQBO5wfwlMIv0v_GFUI4Tj84uraZA8bRQdzXmGfjWrHLQYoBCHm6IXA9rCDHqAypqqbKKQ4BW3I5yYjBEnJdPmVC3FDGeC5_xpAlXRcWIJltJcWY8nhWlU2izg90IlT3fv5RpKbZpSDU2KnJ1UaTgTpBerfLvsXDj98zT47yXSzU4BRiWhkdt3rG4uhltRsrNY8EFTKLSeDeJ3eEL3MfAVzdCe3PNC1dG5DX1fRRKbTscKQSrTtVppLFOsGyF1EmWZ0SCSki420IbU.Cb1j_vFc6R.L.3ioHiwxKFF4RIV2Xa4CPBQSn.x9r9L_bEyQ9HNzeQTPDLgt7FewAnCN0imLxDrh0alwiDweADvZ20QTbhxtIQj6bv0M3zj_M41OdCT8rLmS6Db5OputdAs1TrYzYJvM4Ak3lhFa.CRHmEAESGKBFTi5Rj1sFBC2k2.NjuoMqtfpLzUVLkxeRJc2.o0KeFSCdiIr1rnIBi1yfl1vf8Pj2vV5hVKE2wR16VY.VuTR7NESr_zThSVJ5pC5NksFcjKKVRqee58HxDYiANVByqB3c4wdvX5zSuF.jpsDcyA55PZRgtfwq9hWPdSopH56zf7_0i5ksMPtTiKlWTj32PDfg5U1bNB7_kmjB7lm1wSURlPxv1.8ALgrBdy5hP60IDuUReSgWi5gWvbBgoP780lkV4jIZgLdRoroYHPJQtdoBuo2RQIfPeqHXuCLYbz7H_rgrVvuKSB1D1mDzkW6tzC4RN4L9WaHriKwK31pJyfhUodickYpzW2cJz9fN3.4nrQ0JHNkFz3AByNY4ts9TeJFGbCTXOXre6f5VmfY3PxWvoxtJjRfLVuON7n9JFnPI8p3CT6mXS_BSRRGNMfg2XEzBRh7sn30lXxjjgU.lxveAeJgvICrVNVwz4Z1.mNAapv1rk8yt5e_xJxYkoit6ZoWfvzrv3xpQljv7huQLWc6halO586RRoTvVb6v8kGp84UIFTZ.jJCEoqQ4qHL2ioR6FCCmetzXDJrsH7Wal9hZAcJJlro8dnaGrS0xnyfrXNTFbYGPLu1YuGCkEd6j7iDj1.KKl_XE5FR7RAjkSq71YcAXZRDh3SFQw5.7pZniJjElqSIxrKI27JuOy9oPqrv9uaxi00AKbV1wFFALY6SQD4HEL.stD8xJQAU8raqjdtvz_b1C9EuJ9Sfmba4pd_fJXSiXdlVJhJTYj7k07fIi4wPRWMKQp2zIrcIcMawo7c1gwC6JRXO3CIpCCnxjq_VyshHVpmIKvTB_Xok7W_zVLbyCIo.Taisrv.tblU2nAGCGmpjvwuKmQu8NBkP5YiVlO7g.xdII_AcJjBMEqCULSqRzBu1p.Q2.WUpuqXAypbxJHzTn3ag6cDGp0AdbQ_MwDpy6XU5TIKtpP1WMiwekj_LLjyJC04GMDaggI7NnNcyJeoy9FdklXyrtQme90AVkuWo23cq6D3EH7QHVfRuZVbi84CurSJBXPhnRTo3RilJwIqpnn4BzKexuEJgOKTaqnPtuVYGdDZTb6nMIuaO0mQLaJTxk2NrYrYNPsYXvfOEFlRSgW5WzeBtQZ9rJtI7hhn8NPRAOLGXFQJnNoBlNdt4x10ICTlXfEMmJZrMp6LcYi5OrnwyJomfva",mdrd: "tNWfXROe5BOGZTlTR1k9P1qtEQXdEj0ty61KMbOzJR8-1739099730-1.2.1.1-rs2z5v3TuwFThQ_bJUwucwUFmiveNunExTlIzWkc7pRWljVE2w0DhJQ5nyD9grORF7JRL.VZ.tujOXLfJPdcqDSBPYjd3pbx6BltIO6_.2Ir_hBBICnTRhnRAHFGNhLY7KKSMWEuMlNrmeyE4TZW1WSq8hzxYF04VMvrH3ZYZmnDFqq24zXKx3aRAm8C4kOjMnxRTq9VtlWrP7Ek_B7qTM3uk56xKPa.bibHMJ09yhWSf3wepw1JtswoO9rAWqza5XQqH0aoNbW5.TcCq5O.XsGUiVfZ5sfnWcCMkpW0xJyuyhgouUBVpEFVvuTKK.t6rLWLqOXV3.63ttrhfAHWd9H.9164_mdv0wiz8nUP4upYmqFkew2kqfIhJ8u2RzP4jBKF7Xa2FtyTsNw8ucznHHT_Q8V7fimsOWBFRqyf25hen91tKC9RUJJnXXi1voFTK7e.tqGgeeQvKHg5R6T.hR1GlvARai3ZMY3RphtiKL8PH.SE.YpQnyuzvpy9wgdQPJ8YIRb37TkPMZft25cSLCisWWQSjJyb2MWtmcpWlEF8h2a4ELyrIyo9wocC3AleLliwGano9KNZtxTwZOQYB6IsiHRVt9Cruv49GwXNuqRSRSAzCqedTQlYHrz2z4CBgnF.aCllP.qyOR5cByOHZ9ofpUiPV5.hxT7OXEPWChPEqDo267g5lYKpsysKz90rGtvHKJIt5Vb_LrpBOynDBhnRK3gfh81yudtQszV2XzRd0ZJzU4ZFearfAdvY45OPpVrMXOGLLULmFfJxeT84Jl.DkTbL8pnI_eZz95_cvon8p3ddLCdcLUnttk.IvIL23rL_tHZbgCI.3sXL05o7okk7ST5WfWEz2PY6SV_WSvymzcLgcyNPbMMv6QvWqxkctvJxCr_H5zA64R.O0F92uMQrKGNN4jdizQyfLh_nO_ZcQo.pf2sXCNdK45MPAfl48ROO0X1rRZwIp1oJ28VnaAWYgMGAD6aXIdl1AKXKDGlva2HUSwzCWoG6kmyQ5U0TPbuvo63qlxf120pwoUV1lIHASUTFnHQotelisvziRi8nUP.kccDlCj2Xh6Jtj4UbV7fFKdffaAv1DOcq8rnhTndHJJpg4iJTIeHA4fBWB8G86.2engNYApazKcVsfXoTofbYZBFflXb91CYpvhzovBXh6Dk4RT5q61cXM..ic8nHyCZWhbIlOHXcMC6rv94ciHfMp13tz.nsZQh36.PBfDDzdpCqZ2ynD2voeYyJId3HiI5TIYWEShaEmY.QMetXroNqflNf2JqMLXPOV1HLuRT3R8UXLROoHwJWOR8t_gcRHkd7Hksk.R7nZXCW5ThcQubRVnme0ZOF2U715R8F7s7U.ezX66.sNciDwDhdVKbnqzhYxSnAZ96nbyv8xL3M1jC25zgz5o411PdcCFJ6cO6tZmgMxYRINIOxKd5UTZVMvataJUdnk.BxktnnqIyBV_e2csSBGaOoXUNVB8VjoU4uf3_EnEMBDYvCPfob8nT_8sn_PO4L4WNzl7uSC1WhxdoMLRKgJuiym7IuD_atiNN2dKRXzEWrzRMYpogTqKZeKOT20jaMwHLpXG02jK1zFtbwECFsQ9I_pF67PNDTs2OTt57JqRIUC5U0e6ZoQZqOlng8a4l9.nh1GRzbhQbzQ0z8RAzsUNvJJR0dbNu0REZ4Pd86Kki.NiTNlHv6c1pxJSdhJf.v5Gf28GvnHNBa7ladHZ1tZ.RdBKcliu0hte4NtX5OCxpY9ELCyxAq_bKw3ywa3CJ9uzyccBQjMNhtaaYRmTerENsHuFc_3D0eeA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f37120beef577e';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\/3578612094?__cf_chl_rt_tk=ni6SfDn1mD_FIqodlxiNFn9g9ZxOy2t.S16fiPd7uhg-1739099730-1.0.1.1-HAdWbEk3lniF9I2RXhETrQ8ASkFbjv4naHtYuUDC1VQ" + 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