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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-518136523866.mit-edu.top",cType: 'managed',cRay: '90fcd28ec8909c1e',cH: 'Bi8pJk_P9nJ1NEXFBP1HZ94Jcv73piDEbSHdelvu8K4-1739198092-1.2.1.1-NPmExxg.aLEbGH37i97chDvHfnCmEdnb6cYlOQQ.97erMrtfo3URsiLsYna0iX8O',cUPMDTk: "\/post\/7524618039?__cf_chl_tk=ACZD0P1l5YAZ066qZd7wXfDH_iba41Ivxh4KKrQywrA-1739198092-1.0.1.1-dih5.vP.r8X288WnsnOeB8T.5eUNdH1v0P_jK2gWN4Y",cFPWv: 'g',cITimeS: '1739198092',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7524618039?__cf_chl_f_tk=ACZD0P1l5YAZ066qZd7wXfDH_iba41Ivxh4KKrQywrA-1739198092-1.0.1.1-dih5.vP.r8X288WnsnOeB8T.5eUNdH1v0P_jK2gWN4Y",md: "MzsK8uUBzjWHA_Wv8RELdBaQe0923sLhP.xYvEB7MRc-1739198092-1.2.1.1-8kEE2NO26QbEVSzGxmB3KDx2DIyg..Yz_tKeke_1kHSF_NMy9OzDpqloEa6OToGrPNsTHXZwMSZNRDNBJ8ie3pbnBp75bJnGZn637oZBYkQb9lKgqGPX9roCW4JnsOcNj5FY3A616BN6sMn.Rrstt5OxWUUpWlAoxgw0mffwWxgGJPFezyktXdOV_.A60wmW1Q_8hNlQ1ZuWJnHoBhoJJDtebSyUXSqsL.dOKDSDh0piWnkXzqPhIaW5UjDhoCMnG9B32HAgpFqukbzrY1rhx1kORsQrnYwdWDAKPALMoYNkl.dG_qhKyiWXEEfffEYfCMF5kwbZ28Fi163ePRBRQy9raWj.J9QyzwDUMv_ppGwZ2WImCf7qSFXK9t4ZOTBJEJ5yf1FfU3K4PPetdOOBuiJ7zjuCGy2FuMmoLEY6Xyc5OD_ACf9G5UGzQgPdCY6SIq_9Igl3vUQEi7oaSqsGlzWmuPFSLs0yx7NqNc0nIeZoGLFwAI9Gqrsb.GJ1IKs3xmApHxuovV6ERCqQUczBHa4a8mrI0kXVzuj.wKFUwj4pWODCSn7dRTfy4WvJWpZTkXgvKfrSR0VvsvMIombYC0OB_BEDAy3lUzq4DvVktfOeHlLdjgFvFwxf7CjqmR1cfOtKK5Qmhg3TsblbwWk1AWscViseZboHjSZtCAwSgK0kFhflYUkw2mq7xsknCBYJdtVzg3VjZ6BizoeNnFaNkeQTWtYW9AAO5gF64psZjuiPql9IyQmPdvP0xzJgbmm2L6t0MQOyq2BHmRUVDJtZUWrSAvXGuZYFvMPBiTGubqMtb8J13YQpOx0qY7sbPyt66MXAfcl5pTXlmuHrn3_LjvZJWbc58mkba9ai8V0Zc0kDZb47PWsS7uV0evK4dfFxKg.L_fgmdIYGuHKB_PHsl67bw9L_Fk9hIevHsz4HRvyoq.E9QL4ZbMTI1DDHiNu2L_QIKEr.iLLFLDfhqNZIuKjxxylkUkYRDrrsdJz_7io3Zg52WLsDnwD2DYrRMRuSqwsuLoRJqAb_HYAfxps3sbYyNLIXbB8b2l.uI5pCDwfQVohjsl89rlZCOGYoREn3rwaMANWrdpO36obkYMIOQ7z1apUCLtYXcsx6ASPAvnf7ddjtgjzM4823NYvFVYggrLQAyZwUqOZubruyuT_mSuFPaCPHcviWrmG2Jfulwt0inqJ4VgPe1PQMtMhmRDZa3BnznjmtkgSecLPqkyEGMf9Hc49fAw0afm0UvRwyL.M3a2nGv_I82Lhi5w33RTdxObM6NsWu3Veeh0.y4nGHK6TQ2Y9.VcauDqcksIA0RNyWxGq7pnW3c8VEtyI28dxDukGb6xOK1LYiB1NEG.9.FhFcAw0JNh_.t1tHlejNR7NgyZRvZGNcIHeR1sqtTGI0yL5jUATkoAMiCU4CtGLxm1LEONj3gTeNp3yccsECbK8adTRWpAtRwyqj61QHOfLL1rSQKVeU2J.lM7EZGqc.QSPU0k6DmLx19TkOO8.GaCfRWdTSw99jK5xJ8_ZygkKrNCI1kZHZYa_Ah1Vbv8iW3.XRqrg4mGD7rL28pL2RYHdIBBfZKNJVElIB60yED8sFrx21iDecFT_6QdYq7hFkPxDC0Yc3RBPZmHIrFS9Z755ZVc.quG7x1fb_GL6pSwaJmnzaEQCceQN7BPH5GitGPHQHhK.AFLZBzarTZZQlKNdOCuznWfbEKIPJDa8SY1DcZRRbk9IoBuc60ZurejgAMl2KoeTxvjJq1PuDX4sSAQ0gOE49hESuMtUNTwyJylUrzTeNx8IGL6yiSAvgZiyGKZDgyFfhr7Ugt_89afOoniERXV30rkWNJzl1TQksYWjfy_9lIniTaID5qhkUpaO6XQZVSuHcv7G5vTbMt2ujlL_IR13Ot43V8UKz1cOLj7EmpVuhLOT8cL.lLZBjOIf2knvl0g6HG.qBDzgcGN0w4xsAvch8GihpvduVtaxAeHpNiC7oJ.O86BbaR54nA2nIUUxAzEieHpfsE5nBvaH.TMjlYgkChIYxoQyxDem5N7.eSEnT45OhkfGtpxq3C_wOaWVCwOzXnrLF0IoT52_3hytQ2CNL2Y1vyymcgBgcXTmWVLTnw42KXT6pFcZMdXA.VdRqimV2ar7KteRpnwuSV7tB231JKAIxdmrrZyTsHIjdDH4di4MJ843aXfmJbQLMg0rVd4eGanRAzwqQZGmRJxq76mkMNcnjQMtueauSwXh0",mdrd: "5qJkh7isLGEsozsuvNuECJJsk_Diis16_q8d7ajSEhg-1739198092-1.2.1.1-NvmHQHe53sJq.PCGNfrhPudQ4NsekCA_DtjWWjc12Cy4jGnKcYblhY6TwBaCnjwDEBNV.9VG77q.xHaFsbPNibPwR8xw5_4MbqUdGUXxynU99fw7sLBIGHOGutQvVEg3KPcS7jVQgxzEjEyqQedfHCbK9zrIJFqlL7Xa3p4na9_KlU0Pw9c4bAjqasizYddIkVv2sTXf8qbfG4Gw69hsbK8Luh7nR2etMD9xUH7FD7SVrQxlU0DNdW75nSL7LeUxWPwba4fi2qS5gdQHJmY1yZxpga9W_OmI_FYLI.X7k_opM5wQdBaEV_5I01NoTUciwKetQltTj0WO2VhRttcZIXJ5Sdi_zKJm4TBB62EBLC4.5h1P.ELVPenXRzxK0R7QcGfYxZzSPj7p9Q5OOcuJXX9HYmk6LKEbpf6thdRmb5_TOjlgl92tIM4jp.wfyFdb1s0SueAIqTKpCqQ75dZN_GOCjzqa1Nd6n48UtTsAoqg0MpBj1_lM3PG104cJl5.TWsV6jk_IrrqCTMAE0pmMgPEHwZmyOFpkyxvEtm1g_0kracrxhZ1C0q.NIIFrXkdsoT_rRQTEFWgyotopHStzQXVAWl0ba71sb6m8aJ2_qF.T91wRcv7Wiho5I0._gzaAfs7frJMmtC9CnQwJMbjqt5uY5nQofXZ8iL5.tmRvdfyi.0gF.WjFT5qvA0oihh0nVSPYpNjWj57Y7m1ToeB1kzE57._cup5ijzvUgQkhpehpyfc5DUnn3GUpXLBZKphgbWn33AX7XuD1D7PtQvYnOpyn4NSyh9uK.GThsOP9Vs6oUOkCIzjW4Ck6ZMEovYjDn1GvCwunPfpgJ638Jwnk_6iyIlB2inxCk1WX5jwZgNSzFFzXT4IeO_xwklIQw5521zl_2eP903mtE5GGhwWNzt_Ez84Z9HmCh1i96JgHhnt4VjuziIEeFgFUw_LIELrFYQk2eLqYrA0G7YeYYcraeE7SQXHugDUjLGihPzALPMVKFiU1kttT.AW_AqP6F0Q6cPgvTge9rc6TvxZ1ea85EEyXLegE3K0kPebTI_tf7lRVXY_7CAmbAdXbnB0mVqCkET89tglAONMX7S3bD36TuBcqYUYI8qin9Nd2Fi3HXSUh.VpdAjIHMIHIFi1Ab_v7q.oclru8MFlFsyAqo8h2CcsmfNKbgdp2kaDidHM7S.8joX9wDKxVCPVldBV6jUQZw.kpJvyYqx6OW_F65bZMo4QZ6ftab5e6WNsMA3rGhyQ8604nkLVjWRIjQQjy3nqf6oJZNzc4VMNX9gJNqlDxfOCtzYRfYQ0loH1ek.pKN2Ag5LTAyazj7fCfPpO19lIxZLTOc4WsTee6J.1oIwV4.9aNuALfC3s_vSBLd8eR8SA56dXi4U2DtCHo43iHmkrcvKiFaxCgqpgcxk9kB0cB6C6Ix12WDSeWYGiwJFmyj6LkrCLI7Xv_LPSJbb11wGdGivMJWDd6gTct7goOty3BDqV5VXq6SBaqyursLNu.bEwEC0MdEdkDHPVr2wLty4phzX1_avcaP2Vjn9EiZBEeB7ii7U29TCXBuCwZz_uJtaCp4BwpK51dvuZ17_loEmHPN6NVp5E8zdYelrHqNcS4cOwy8oGv3ZNNDtciA.CtNlUIoq.pgvViUs_AbjuRoKvn13jZApJEaaQkQNv.YF.30fvNE6HYkQT_40D9NiqfWeK0U5KUpkzqfZsUnmeYVkxmXR_DiEPSlp3qLTz5t6CraIMSze6GuZnjjE2vpC22TDKiwQLEdYtXIWJWukGJ57LayON5CPLKj90eR12rsA72WvV00M_7cfR74j6HI6FuIi0"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fcd28ec8909c1e';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\/7524618039?__cf_chl_rt_tk=ACZD0P1l5YAZ066qZd7wXfDH_iba41Ivxh4KKrQywrA-1739198092-1.0.1.1-dih5.vP.r8X288WnsnOeB8T.5eUNdH1v0P_jK2gWN4Y" + 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