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-877411068252.mit-edu.top",cType: 'managed',cRay: '90f668193e18c981',cH: 'eKWhT94DNq9krHJbH6undZwzVhS46W7V3uI2vY7J3Sg-1739130817-1.2.1.1-UdRWUIziV6IUAqWTcGXhGrGUv3.JeKTtd0AHgM8Ry5l8dyCTb6OeDP9LM8AV4DlT',cUPMDTk: "\/post\/9608173542?__cf_chl_tk=pMa.NX4l7btV.YNdE1by38gPNJxhDrm_oTLwNzZj5iE-1739130817-1.0.1.1-SzP3QhmCgxM77Tyvp5BH5Rmeh1FMEjbGMwVqP5mCr6U",cFPWv: 'g',cITimeS: '1739130817',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9608173542?__cf_chl_f_tk=pMa.NX4l7btV.YNdE1by38gPNJxhDrm_oTLwNzZj5iE-1739130817-1.0.1.1-SzP3QhmCgxM77Tyvp5BH5Rmeh1FMEjbGMwVqP5mCr6U",md: "fxL2RYxyiz16JFlDxKl.i56nuFdlFfEHPkQVnQHXg5Q-1739130817-1.2.1.1-4.H2T7835EKKCDaVenp1xrZah38OiouIvImfmmS0tG8d2XrMdfycdoJg5YLPgY8TpsU_z8h.rTUwOvqlIzdVNiB_rEJZsb3h7zgFMqIZdu8cmP_O2snJ6R5GUo7K_SFMu8Q9YJ15OXhbUyM8dxPxF_GKE2Z3eGYTjZsA3_.eeBNoDSb.B8_lcVRqnBExqkt2Y5oH5ldVtNkumjiXl3o6pSVJ9fOdKkM36ENr1GzLlZdM7WxOpIw7jHL9M96oAFZ7bsdWBu3FuKxd2vCMjWCR_AkMHkDq9PjXS7oQrnJk6YlPGEpw6P4wO_o47gHe5QU2_5ncZbXeeG3AA4rOiZX.ajc1iqj5d.vkZDaqEzUxYYR4QenLIKuqwsPLpxXfQb7zBQhQp.SUa0RuRTrcQfH6aHadbR_wYaSVvCtIID_7qNnakzDAWYHoI3g3V2z6R4aHgXQf96n_d3rsTmGXyG4Z9P1s6Q3pyp0Iy8eVm86Mo8UGXRNYkW5Mkpv8RnV0PFhiXzyTpceGXPPZIVBtG7DFyB1GryMq7T0lo8Q_H1U09tXQvDnCpyFJSs1LmK.hYNjMxDSMbHI9lUfjuGLbOzA8AIXPZAkze8YJBBr4PyOuMTjWClgkag3zRHjUmCOi6Vrqc7aQmtRUqRktkFc0FpVdixGUlZjEb2PR6d_gr1TjuamZb6qOEolmr8fnPNhwvWsC0UxBqmMZAXc_99V8ImA35kGLtB4BKZLC0jrt5EHK_4NXrUMfOKn6iG1jrtammype.4qi0TQfPTfVt7IOecPkMn0uTCEJ.721Z6l5yBMrYBQ.6iMj_gbHwq5hitYFWfuoO5Jg72n96UMH8pGXx6HLMsWj1m.PlEdcMy__JaIpmXV_GxpZYIb9Yovmr3SU9CH3Hj9KQosXyLtpXNRVMEF2ruOIbdduF1JSRqFek.LCdZLk_zsvmHpIgix83apXpjjAr6Sb9JkmJ.sB4nqSrfvtfYL2BniccT1x7scSnuTghWXTVKDba6Whaho900hLGPsTLP1NebQ9hP3aQz9RdkamFE_hAxN8vSKbbiC9GLGljILWrVUAuw1nssiwSBhd6d4X_eDOP_.eeEaUbafz7iCT01jh8FgBIUBa.Nw9dW2oq_resgnp95uuD8Vryx4Auo4iF1bB4OqStjxb2ddK8tbxUqBA.fluYoemJ4MvBVEBuiNhlEYruSp_DdqwKmdtj93aIqtNJ2BKG9ZFa6e0HqwKHmyBocf4_oWmIjLtijpr51TOCOI1x8VLjFEywW7ptaxS7O7Eh8d.RpYdmp1n52SssFlE4vjgtxKoWwkaBpSAJg0IRF76Xyk4ufQpeE.Y3AOHA51hHfEZ3pPydHXRlMzetoKrLWOuqwwVxM6iFDqrDf8ds7dJxP8GVc0K0.Ef6oarvFjKF4OdKmDNAmu9qGjDSoThuWGcUpsqbcOov4NmUuoh6oGay1HqoeO6FhxtPH5Xty6ovECCx_4y1Uw2SkeTxHrJ_txB0iy4M89dtArormvX8mB1ktTVRYHhVkTGNlnUqnZ8wbiBpEC2WfM7XJm0VSarU83ozVSW.jV_1gNOPlTXXTXTUvkjIkFwXFmQgREG0BjFKIbLNFlEjrW.elyUYsdYHD6tOkjq4YTtej.RP96t6BI3UA_4FBG6ildgWZJYbhT3xio8gqI1IU4spi8M2Wr4tFjPXT4.11qhQTGl8dp6WUmIP8eIROWGv_eTD7knB3.ROYEig80QBQOIJflVCM38uUuvv42MDU1ai.wBc1g8NmpP0yqAwn7GnBQ2IZrEXAGFUrIngs6p4jYuJZ02tG_FFPLuY2FHABT3x.ziU2ldgT5wPcNq6EWdBt3xIqMyK3PfV04_g7_d6nyo6Mx7sUCNQSdvwl.k6XNYnwwnyBjuCZ9B76Ivy6bBfF2pEnO81Q9v27N044n6ToBb.hj3rpW1xpAIE9XqKRyKeDoblFjBb2UAESJ7WFq3.8o8OASvGYApNx_qwbISXeLqtnEeXMdQXCjSw4JXX3NA7RpbAUKmTeJgdLFTmB.zly0ozcR6LlqC89I3sUc65ss6tTddNWKgamm7j9xorFQLu8Ra022dtGErdHEojU_t.T5ZHMsOhV31DGz9kdIZRt7wiHmY0gAPN7MxqrfJ_2rgXcbDBmJ4IIamkD8rgUJLiunxNYLCCKfVP362JWIITvAMGSXvBvy3lf7lxQStvgJnenS.tUdLWe90dKogky31On13RPjA",mdrd: "aYSYrmJ_VMr7ndvbzkRA_tEYY50mXSzqDcSwulP_fAw-1739130817-1.2.1.1-rug6qt.dQHkd3JdcL8ntQv8ig3Dv8XbEQIvCKSMNCcs1Hg4Zdo49c2MTI35.ycB8.k3jHQPIDGk83osQeAJni_jEokZSWMMeS1LwtOxb77Jf1IYJu0qDF6o9XKZHiYi2.gVqDQDrpLbKd2N7ILhZnEEXgx1DlBXQWgyJ0S5cUyTK4FT1eGTP32sXuEjiWTp0ldrnM3Yv_5wtizezOP9wFuhZiJH0XfMLWorioAc4WKriXLc2XGeJmQ8kmBTpwmseWAwK6E.eqWRWdO1usxrWzqRmbAmcq9Z27ZwQ2HU3Sv9OwO_24SGNp1ja.isj75P3vSumvtSrkEGqAFYLITT66UkUwbCjqz1HofUDRlhtn33zpsWYcadPzTu1VG6qPcS5_EWz4N8enMTZVzana7oWUMEyRE203EhVjOdhOPlqlq3VyDMnKL9mPLuQOC7DR1PiyfKgXq6RfEdG.pTEmpiVS6BLSHsjKxpfZ4m8Ew7cnJzCwRoLUrRvtYWI8PRnHs0T5EvdvYvdJyaj9ehT9C3E8tt5P.BnFCqNVcd29q1KibpupK3JZheV6s5.vNFmMRBRpDpYa4EBzs04zFRCAsKVl0NL4YXY__uNNlQHof1g20lIh1QQjoh8zbNYhfQd4p3XSFdLnUkBYQxFq_UPsINOzWKjrkyT.5fg6I.3KtolYsJaO4irXXLfkAfAP8Y2VRSV_K0SvuG01lAWCvz3J_LMlcj0DIMB34amuXt0t8hv9gCVX66tu6K.HQ9FbeabUvTLt28h7HFCT.L_vJHdAbOmR9tTSYrReyMeq8VEzuXPorSeWNWf6_KjDCnHW2pc5MtlkXihEYbl1fms0s5GlZjmi_gtzhEkthGZhpQpNzGzRAdg_JesU4BBm7RHSmmci8vayNfJ4pQeZo.hTJBLK9bdNwuRH8sY8bjQRNmXIJNy49CuIANwE1E.BdoWv1MrisD7R99oPA1hGbqWrH.6YVM3DnkY1pQbgqRVu1SpdvFOBj1Dj_TyGN1EgAqihXiRupBtbyIbmEI7VO6cv.Q92zegv80I139_Sj8Kju212Ns8NQrn.iJix2sFBiBhkGhBv8A.NGI1fLRlJGhlUeeOozLu6K3LPVy1GAs7EHUBN6aLx0.AbDkg.UsNMmxN9YZuibcH1J.lwsFGdUe5kVkGWnTd3RjgMeiInc4XPOQWAQiL.ERdofnPeQR9HmW5SQEY7sSYapoeCyyxC.NIq_8V1tb9IjiUdSVhT1zXnroBpWP1Kc_IjcdhLDlznvd7NaNjfp9Rj7KR2IYNXyI4KpeQ1UGhSj7uP7kDjKPsrScA.SX32v4GI75cj9.wgc1pwnHrTaq3U98ZoAv_Nc86222Wsz5Ifn9eVBTDXAWtT0oR0OiL_q1DtqOJwWsDN3pvKMuPxwXY91rmmJjI.TqrPGYg11KjKvVimT9upmRnJVulcBkKv6KGq21V.8mm76QD6TDB5HUrQ95JBSzbPLQO0w5u5jmaGNgs9Cwb1q9YA97nNtYlVNAoVS35dMxCNbETXhDtjbNNc9qikpXH6IjOPJb95vcL0vOBg7rCo4uTMq_PBnQ97NyU5EwCupUAECb_GDlvOjIpNPzobFrO7On5s3YHmLPU08BNc7LiLIY0QWdyT7dI4utauW9oywVsk7eYllv.cUtWiljgLzM3nrYGd8FhO_KuIQAo3p23cwLjvIaZ0KxdqxTnDr6dNS7mmYrK9tpB1ioJ4pZEVszt9r4CInb8e2UrFfJ25PiNCxaa5qJju9PvpG2zuE0ltVyo3zzA4dZ9eAsW_Liy3AO6NBXNovDJ67Y3EQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f668193e18c981';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\/9608173542?__cf_chl_rt_tk=pMa.NX4l7btV.YNdE1by38gPNJxhDrm_oTLwNzZj5iE-1739130817-1.0.1.1-SzP3QhmCgxM77Tyvp5BH5Rmeh1FMEjbGMwVqP5mCr6U" + 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