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-708328273013.mit-edu.top",cType: 'managed',cRay: '9110bc3ffbdad697',cH: 'WsiRd1szDdgVtPpXS7y9OLL8517YShxN5nKGMyqD2Os-1739406894-1.2.1.1-qJWdG_INh1A87NdlV.o8onxREx1kv2yUtSiikNR4NfWZ5uTr2SnAG3JHy1W4M4Iv',cUPMDTk: "\/post\/7058496213?__cf_chl_tk=IU7knFAGphvMM.VRQMcF.XusWneKEGSpt4FuNK.9630-1739406894-1.0.1.1-TniRLkHC.zGquSLBPtYlvaAkCoqekhQT54dXnx0HbYQ",cFPWv: 'b',cITimeS: '1739406894',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7058496213?__cf_chl_f_tk=IU7knFAGphvMM.VRQMcF.XusWneKEGSpt4FuNK.9630-1739406894-1.0.1.1-TniRLkHC.zGquSLBPtYlvaAkCoqekhQT54dXnx0HbYQ",md: "FZHXknuS1TLEjkYXKHSLqCBXWUcyTVUNOgkBt_JcyR8-1739406894-1.2.1.1-NVQd7BGCsz9l2qrO3yIUNuXDhCgpPLbYkcPbFSl.oKVWXhSArllDWE_QFF0_FIkZnBF.t4xQTbd0AkLv9iuAFC11dL6Yhvgyn7O2H2c2j3tqbMwb64gHlWvkRVuawCHFxxdv9AyOmBERBUJC0LCPqaGLF6Rt0t2I0N9xTEaU8zv1MjgTnZCvBG7c1q9.cBDqiq9Xa2wfr4cScPJoGVVnMyqSoLLcFBYK5Bf4k00FGKB.BuQBWNxslGmDUJDHQzWvGoJ1Iaouh2ousMsYTarnyF85NBXC_Qa.xPSryucQNb.9P_kVgMnaS8RdzbO_1ONkUsyA.XDqFjWpnQOVGAyfVhGkodlhLof.MzlR4PDO_JueekCy_ZWTKEg60akQBjTojSJljoO9O8U5dPis7IEDT3IQCSTG1Z.IQoVmWLSpM84_O2sor4gC.MSP_aAx17p7B4hWRb.mP94AMlvImEhhF9pHoUpK1fN6SqLDtOsaCbpTlwjZgYRBOOtHm6FnBoC47LhqzoMe3AhxmhfFYuyBAvTahBH9tjLVrLK7yRtAT8C2xzCC5oItyMa1KzJe4UPn1QsORY3HV3gWyRSNrjzSQyKgSV.QBHEYLvLtFNqWGtaa0_F92t77pXXa58Jqhll2.Np.91BVLRjkjWZ7X7i3hwCHP9EJ1OBVX4cA8_xpGfDk3hDna_xN_lhZRgU9X39z3UD8B7O_jA_RWGLXDtHlDE4u0C0AWqBikWRZpZdGWiIF95vprBdVkMEUjJxMohYhWAAee0377UxF4YlaXTLjnogkvJQ0AaV1FQqQFoWYmNUFnfmhjSzfpJ3HEob4hyFEzgqkjrWCCrqhchKHkCDnoynqgFhNcARJcGRJyF.oGnYIEX.9zJPz_oMQq0qJwCdndj1tRaKDNS09FRQpU1qge3NKS8riX644Bj6isJZaNlGM8PxbEplJ9WnPWdL1NGWDTe8D41um0XMHYAVRcjmIvtQBuqjoEgZK4ra_L8UjE2hd1n42QEyOmHhOq8Ds1bsN3VuOZonw.taLtOu.oFiH1fijSOiVXYkVAyd7TzTvxD22v6HRTm..dI3EeWFct80_Bf0otzYWysriSDR4HhxYaSBB4KHcPasptE.eOBFrG5P3FbtUq1m_vY8_IRykjSW947ZKMcnmg_GiAkrylycIUFeoy0t9pvPL9kG55ahMQOTci0MjNzUCNej_bvrXh7q_eaEHBvkzvmBYTSg1lskNo09nLxDs2uUHt80Zjll5C4cxLUOiBlMDeis5fxWUceh6bGYWGWXBsBlVFWfO6wl3lnmU9WjEmydnhUGhq2vWBgQJoGTXVRV34fCQVaj7Voe4CXcdbC3O_IdOynuw9N11NSCIsvR8vO8zuq5tT8rhBUnsSo9bR3tDLIJrsCNSbFbIYh45RxJT26DsxcVhXnWQq18svSxwxchGLxPeTIBNmt7fmCV4WzADk5XgO0i6IsBPG.MKFucIj76J5P8dlmIgv1csExiF_hKfzxLsoMryds_75qA6jFwD_F7aNxY8TIyDMHskFw5Vhp49EDDDZ1yIG7EBRRUIdiq8w_EBmJbTUuiF_6EzKBW9g_q_EMGgGGDhLmiEhFHLkE8WQM1TpkB0waEb9EsMyJvwYEIi_BJ8URj0mjfy9mbKWWiLQhk.lqvfG1i.Y8hc6HEEcCzdGaBUXlmO6KtPyKslvjqRsCkuQ2NIUjEUWPaUrXtYh5ynYaVvybjekMmiuE4EV4OKNMauAJff2xGez4d4zl0ljx_LgTJTCjtWrB29V80_5TCzUC1J5a2YYmLbCyTDg88RBY8VkSlAh.KNyvvnOHhxIoFPoCDxOMjX0TAg.BolgJerAYSJ4o3i_CPZVeGLRy0BlCVaNAgZgqaRSv1kmRa8h3r3bdnb.rH7sUh.SxuCeyYVmq_RReJNp1fA7EgQbCxaOHnbNM7cdD05pdQJf9f8Mz_1TU.gizLOmfoIL6n465TmqR2Yl9CoPN06sJUh2TTbok_1Zdp3Ac_nfKWNU1zdyUal0nGstXMWsOZXYvYjME.oo.rlb7g8Cz3oM3rtkJS8pDf9AqdjDwIXox4CR5FCfrncHDdC9XH1t9up8yJ42avHlJCeckuOm1QrrxYevxFUxc03pQWdqpmoEezZBU6Z2.lezdjOWfC7rNeCv.olFGUnF9zHVZkYGlTyCa7EZytuXPkcRsHEkwcw830z2Kazg1WPDbo1ZOFIpB9a47uLVyynt49Z",mdrd: "ZJJx6718oYNEAHmszslOaRlq_FhwlegJG_BUalA9vcs-1739406894-1.2.1.1-EqwHeJuPRFxvJe_mVQun2vXi9fOPVIz5FOcD9L_Bs39vu1Ad8G4ZENP8vSwTTUOTqzbCa6X7taHvs.V4DtgPEqUpQKJrPzqxoZ7KHsbN2Fbn6746au4D5ACcLDXc5RX5C36U3zuh0eVSPLRkA.D3PrYDxNWETwq4QDuGxO8757LRSuU4TsP92w5qYJByFXzH.EBwMm6UWprj3oZPNICyuNg8F9MvKr.p38OQjImwSJdBi1NHaRVrbiFoVGIkNB44YwY6yMJxum4iwBiygcksECbT1eDtWH7ZhuccPG3omMHEm2kGJeQ4Q6wK4YAIRysGCFqTp8Hv9156IK76wWq9e0NgZBYqXpQXn6frCKoTpLHRv4.Y.ZRu3UgKqPj63w8qPF3diM2x_5OvWW1TtL3uSzNE4JPTJ2HXCnof6wwvJSDEdH7KUdNptSO2taXFpIIlGM4rA2VV1qSfcywsSaZuJzoKa743ZQUUvOeeUxk12F95RtVMGP_xkjMfQgnWG9AMlj64c9hUjfSavpTfMju50w0YFPLo93FKqb6lcaUSYKJQotXk.NapgTtPn.CrLGh2qwhEhKDPhkD_P1FYf3ETJ11XGBTuQef8kC2QlSE7VGE_sCk3p0rSFMNTeGzr88hroUTsy3Bn6oOMs8eDP5gCwaSFH.xKD0.gTfBM38h8MgV.5nm3Tz5bzvZuZLGltFn54D6TrD7CdgCvWcRTVEZV8vf8E53IGJm8WhzxfhTdgxTVnyKYgBUpZjq.LDlRBNMOJ8P_TgxwWg4W8mBTVaPwmDdDhRzTkSXaEVPiitBTeKh.jyYBYJPQM1.TG.BBBdXPpSWzQh02yVY6Chou_6UneaqMRsqYBX2R0Hh4PM5I2arDucARWk12LS5NoLtrxjq_4bglDEhYHZA54Go._l2Pqhr5lFWMRQTrBKb2xGU3_pQRqxEJ.TrGZvYd7hJchygu1Zxwf4y8aABlgUjBhQjyKJCE.z6f6ZOJhaqd2D66CdjPKOQAlWAh7_hjhc.U.TSuM9jJkdyyo0IwIUQcVQaBJG1VzwslwSDWSc7akgdqmp.x_fvN7O.YFakpU0ZUeGYKdV0zf3gwpcIFZ98p2n_WPuVedyubjZEhHN.HHGQoDCbWL7xI42rIHA_nUVo3RWMT.NJNTkzKS6xWazW543armo2nHesRqe4x36V3gQqAnCMazLLn6Ew5dUhc.LDjmBzGabdvAWpahtEjcyGSGSvDoDUTkiihbpL2Vbg0WltGUZ8_FbdM4skKdBkolyGpS1rWWQaYTeDvKr6VOEjSSw6hre4rY3F3vszbp61cSA7PmjG27m68qWm1eXtc8f6KfanFg_8H3Vs9w7939Pyo6GtGgCFdx1H8BA591IwhInV28QSx8oe1.JTHrbeqdkE2HLJYYTmw9si10V.6iJvf0QRy5ZBGkEsxn84A5CNx61Vli1t.Sxq7lE3oRclRFUPpIEmUUdXNTB8diu4Ruywol.wH52QqAJ1UsU3XVRkvS6kef1ttgddA9OtH6KOUXlCo9nfYTgkPIxnqtneS0uxlY9XA8gX51f.eXgUeFr3LOB8QlHLydWnDHmverMFgf6oQvHx5.Gzc.GvonbRerdviHJNFFlbDBK_yyyIa20gwqRqujr50sB61QviRdGNP1LAeKF5t8.IIPABrNAZxN5wtwp4Swkse.H2rs85p67RUOjh.PwMVCl1uCQP0UCwhP1KoeuEdoGMVoaJZuB_DoR8gMKOwFRkFHvcPBGZ15wIJ1dy6pUdKDfRoRoTrFZ.76cQUOiOhg3mm2ht3A7K0qYg9DCifWn_Z5U7j4IY6n75idYefn94"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110bc3ffbdad697';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\/7058496213?__cf_chl_rt_tk=IU7knFAGphvMM.VRQMcF.XusWneKEGSpt4FuNK.9630-1739406894-1.0.1.1-TniRLkHC.zGquSLBPtYlvaAkCoqekhQT54dXnx0HbYQ" + 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
