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-affis8fts.mit-edu.top",cType: 'managed',cRay: '90f7cb521c6dc95c',cH: 'vmiL4iL5HOJC82C_n6b4DJaY1Gxp1Gol4Hlh5VHFZlw-1739145367-1.2.1.1-k6n.mN2t_Wz_PVW0oMzur7jbTYBRxo7wlG1HcEi6yZ5KbVixrFAqvMMjzYv7Ypem',cUPMDTk: "\/post\/1785493260?__cf_chl_tk=H_8kozti3PlFwJcXwuHDg.ZxhgED3SeL.u.X_8svrbk-1739145367-1.0.1.1-yVgMBIl.1jwVIaM5tXDRxr4yECaYgUJ0T_e6gXFOodg",cFPWv: 'g',cITimeS: '1739145367',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1785493260?__cf_chl_f_tk=H_8kozti3PlFwJcXwuHDg.ZxhgED3SeL.u.X_8svrbk-1739145367-1.0.1.1-yVgMBIl.1jwVIaM5tXDRxr4yECaYgUJ0T_e6gXFOodg",md: "pUgnhWbVWfXiYNezsY4l6pvVj23XQvdj7n3iVK5FWL8-1739145367-1.2.1.1-5BI_SKM37C9L19nU1f0PJEsblXHWrlv9GixyTeDTmBgz5wwaxnSFmtxUX6n43R4vF2tbZUH0w7zHZmzIXsUo.erzQX_Rlk4UpfkUd1uqE6PtA4Fj9s98j.uXxHdlAYSdu34RW.IZ8WYwJ5e0YuoAPNrLAy9Qfjk32eIi0gj.l_XCa.1pmBdP3cQZ8B4o0tsz7CABwP3sn0bUdm2Ej_aMxpAiv0oTwzhOa43pQTxrc_qrKpYqaqhm373mMAUB58RBy2uoUj6Smzklp0kp4Cyrzzh_a.UQzj0ODeC6UIC.qqdHVB4bc91D9YC3aCEOdBDC9DsfEOU88rBdrgTvKlnS8Qd7QEQJNbIUApenTRM8em2FLTRsxU2xlIehc67wStdAOU9jAwhL9Mg1zyEx.IAaMiaa8eq3Mn9ljlYo5w_5iTkaKSM3D_0gf_yammVBr9UYsl5N2gtEH0d2wnqNdTg4YJasoHE1i8xUqa9HrNhIwXxym49kXrRDNX.6MJCVjwEowXKvdRCGNauMnbPgbrxVm0Q0nTE53DucTJUxjbg9Ib96TDObHQ66ULHOaHYLvuyM.uETmqEQej_hwkg0WcnLHQLwsSIykmz8.TtfvP3YYhUzzfij3xNwACYVOf1j6OiI0AFz0GA4EFr11.rNqpWvDF_DjftaWqgWcQsg5yKB96gDwrsPZQEwe9EG0KYXU70T5tJr2C2KtSqwnCQPo1O4t1pGkBJY6.xt.aDXx8QNEw7IKufQBu2hkGtH8vFFgF1ltkV5laPnYKG7POdWMvYz8VUgJDs3Dt8F1D4P7ApF4uWGsabVyROCkpC7kJHQtOq4IqF4Hj6nNHy2vMnzdRLYUENq11Lr938ZyNXjPXxKIXTCrrHM_4LBISjj3H9ZO9ajN1tAdL5Um7mvG8sP16vqIsUGVzicFGTAWZXbceO_1Iq7baZqjgelwtArB1DbYUiw10M5uwCSqZArZUZePeUT.uUkEq4Krlz2KhSVIbNITsp6P4Vm0CrhR.OlvFKvAhStTe.tqO7_E3gb6gykCOJcBqGpRp6iX3GsbLE14GzNyJ2kIDeCuWiHf3.EvoUawniXXI_lqKEQL0uUvylGHM27VuNV6ZfdHZdLwKC8WkVO9pl4Y41qukzb2yRZb4e2up9Vbg.ADE3AHLwT2ZT8xgX7gIgYq.J8PQHafs6z9lYRRc59Fn83hyPFmrdXbQk6OvsT.BHHmB8XXMGp5giGm8jmO3BAeRp4yBsL1dquVgZyrNsFJCvGw3omnFci9QS0zEr8UI3iIhnTvMuXXwKS5O2W4dYFu_yY9wBgN._hfPWAhteEbIVSCjnbHT3ttZtGUO0FQiU2m6nsqX0J4yMX9NN.4iPnAM1MMff0fFzp2pAQorgWhD6TYUbeoVE1OxMH75VO5FcwzHDiB3ntPEYzFVUAocou3nrh10hukYD2ZVys_yj2wCPX0ukJj2jZN.jJWQsRmvGv_DE_LwNC_W8NsiQ96eM3jF1MoHSKRAAzl1t2CVlB5egjrz0i97ePZMyq0TtzzKf5rEXAfMiBXxt5FRQq1E4AQkJsUZgIjgOUjyY4I_IlY9op45O5lgFa.YfjXq1fvAalp76s.bPDgMnwtDEFXk6CgoV_G2_HEKOhyP_7Ir_ToY3vcrJCnJ814X3RpSNeuHuU1DH_peg8XGKHCP_jbSiT08m9oUNjYhOotaXimD46Km_LtEpJaNGeXyYc30g90uU3de4QvtJ9u11rRvOODMkslL6j9yXUC_UF7OzhEChbL4zdMbtG2Z2DHeHhvjIr94sfKFbUH0C26sB6xVOIHDRQlkNRSNC8KdJn3gv2CVAArIVI8Lsrfeuqkb.iyki00EmOLFAkr0hSb3nchpprNqGDNsr7UNtAvYoSKy.RDXwyKy9By9k2ELWBoBK3ftvL99hcdkZ6DYJd6YeWPCSRxa2hCHTGHGLzpznqbeX707YYpmTILUv5qNtmS2QPEJ5aqUIIYpg3YG8dxhKf93fQKJi8k93hCXxGuLA5hxNIQs1zHackMvyoNc6rJjIszq.WOdDDxoVrcxD9OfWFJqFTFL1kELFsp3ji9Z5Nmw8V2wsBm_B2.QRiWkKo1dYAdQiteZoQgVUF7yNKcHUAC49zEkRmxYssVc2TdILLYr6W81iEvUuXB88kQdQ2JshlrLZJ.G5zvfPykDtcqiWDKxwJk3U7Z8QMITJtsigL3NQ0tO11qKYsDoXUtkLeniUWs0j.",mdrd: "Ig2TQgON7btKayxTQq0c.c6QtSeMwiFTR09RViF1r5s-1739145367-1.2.1.1-faxB29da11I.urdF4ysASjjtt8Iozr28coRtUVlBV5wGKGPY.aCYUAygscYDxUUF_J_.9rIL5pO2j8B2zdCHihhVo.JIrVV0qTqXedY.eAPUqnF8EoTyCJeHRvD5c1Jpm.fJV2cWZUNv020WtjF8tJvy3v6v961VP3Vi6sezSCwMtUpcjEPNjtcV1mGPeka3B7bzOZVv5vpKuvtpvL6ywF5nJO2DpGcTct6pqLnBAK7wlX.Rh0JyJByP66WO8VCwJRbG510mTmIQFQD.7ndkhTKTNOpzPymDn3uRgmKAecTd5Pu.2kbKTmBZXZ5UTIrIip33RVFoHem6tRBqrjSwjQosqPTBG_euCXr619Q8jJM90.MXSlwQeXLWmx43mmdzfpb6vPb3s4rmH0vE_bJLdrmlAaUIVPY1mE5WIAowL7_YWmPvP2XC6Qf5VgAyG7TBJa4GPZqgQgj85p9vsq8DO1JONLoaKGxNUbaBQo8JpG11Wth4H_HrWDTkxD20ewHmeP9TRTGx157kXIBRbC7iStMKlUtqd.7zqJ8zRSNthxRFYwOnUiysRcPW3Ph.7j5y.euGr8fyTAMJNI12vAtLeyqD6l1TiNWxePqnT8tSL2BdGy.b4cP2gflEqgxvfgpGa.dfkzGYOHyfcUQ2It0UV5Xy3YzPwBZ9h91LSiIFk9cUP8er_qeOtQAegBP8xg06Q9cnDga8Ar0gyughj.nzwD014JOo4oTXSvV59BYthaAh8c43sGfaHfWmeNB7dtZO1uLshKGfZ6I8_JDTt6cnVqvPT7M7xFC7uta2ZK4KXfH3ch1_tP8dsezH2QAnzeRoo2ZC_xSCT9T9dn3bqNKl0uS8t41Exaumx9svKHB96jQP7EoECMpZqykZVWLJip4sT67RcQQssYRYNNdWtXic2cyYzFM9S3ApGYmG0J09Uo57QInmlBZUTb4Dp61Qn0f1mjeR0bLUp3WWzjF2FuX6YbwgtWMiqhBuG8V0zBdaEO51c_kJ49Zb3ExE31sXtJX2c0DJT6GwRxzpV8zpoNBFKXBPyClnsteLiYzEtwNKBf5XDEsoscqqxHSAkiQ8rQThc.ub..uZupfN0afx25aQvTRWY9K9FnVOcEE1wOuhuDfJn6WY4zGlN4PQTqElUdKfzB9L72UnpVSnpNmVk3OHilyG7u7xjPJbPzA4wbrSdv5H7hJlQ7mPQx3EMCcpkahY4_uYJe0.ewFXtdMuMxFJQPAfY2eiMSjga8i3j7F1bw593I_mTtnY_m79uwO5xt0owlghybWxrPJIDp8fi.xAlZLCQZBmF4sw7alLJ3qTHbRIAynDyX_OJbafrlW004GKCMODS3g8O8xMAoC_rD02lQOSypS49yB4mZ0A591tMEWERCATa6BjUlvS4elNl32mezRnIPC809nGsxaApUWrYrARpm7IAXFEM2zWBIcBf3i9hFTIg72vEMNBoYGx96o8AAaHL7_PB4EVK22WuJQZuVXC4jRrJeC0fgtkts05YieRK6dcH8lPAnzF4w0OR03g6E37tTsUouQXOBnoAjiMuGTxj0aEtVRIFs8ZMuKY4rtQD14FGr_uAM8knvNCDd9vdjmPpkARufVZbV2ZM39MggxtqJxnRj_lnDkBQ9QvLMJBxrQT06eJa2Rag67Z2RR_JRp6J0q47LsLT9.IWCrc_ojfMQc_.4PnsmD1XXmje19q5GPM9d5Zkultrz9Omb129Dm5CAFRq2gogLNRufn0J6396bJwBw2SbUZXsfhpkGIKiRn3uQa6fH2WE5XD4i9l3KdE6C3TOqNNuIiz0R3u_w"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7cb521c6dc95c';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\/1785493260?__cf_chl_rt_tk=H_8kozti3PlFwJcXwuHDg.ZxhgED3SeL.u.X_8svrbk-1739145367-1.0.1.1-yVgMBIl.1jwVIaM5tXDRxr4yECaYgUJ0T_e6gXFOodg" + 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
