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-806686507670.mit-edu.top",cType: 'managed',cRay: '90f6b2c56e758849',cH: 'H1J6KtlOyA1l9cUS69v2Mmp1xYQcPIwe6RqX4_Jf4Sw-1739133876-1.2.1.1-7Rl2vbtM9NhsbSbL6gnD7vu8xTd1G3oEFKW5XYn2dvEDCBruRBsf_Ngh9wDOEFD_',cUPMDTk: "\/post\/0261973845?__cf_chl_tk=njgUtSWRLeExtznmHjbj2P3IRViwXsMJP557g2HmKgs-1739133876-1.0.1.1-V0PcsxsXT3DtTqZQ0j1QbqwjKmWKa08ILU_vSQ4GAyA",cFPWv: 'g',cITimeS: '1739133876',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0261973845?__cf_chl_f_tk=njgUtSWRLeExtznmHjbj2P3IRViwXsMJP557g2HmKgs-1739133876-1.0.1.1-V0PcsxsXT3DtTqZQ0j1QbqwjKmWKa08ILU_vSQ4GAyA",md: "YMJ15gZZvgLcVcva4bsiSt6YS6TTQc_51LBh32DqSK8-1739133876-1.2.1.1-toEThB7cd9ieFwaT4R1LsVLWFX6tH6FGMLqzr1ml6ucjF8gVUhpdXyLlYUaccBgKQL3sg9C.T8ud0JAJa4P9Qsnp4SbHL93WVMJxwjAZectr9iXwlwNte_zjWzKGsvTPeQ4p80EezE7A.U.CGJeINe_Np1KqfYne1U6OQ7gwvlA8UX2C6a3zYnsJOoik2JABwCjShBNAzbPFtLc13KEoHdQOzdc6TMb7y8IFxNPgHEc83kACxi0b2b4CudwPuyRjzkByPhGSwJNJx05IFvcAH_ix_hfC19a5L7CMNKDkmFUdNKfGOHcAw1DoGVzvLKy_vcwhb8eSIR_LOZZWI4RwVKxz8ve4rOX7ldn0FHt0bSQPTdzx6Hif1BdkhzsYHZUOp5hS_WMt9IdQ3sboxBDfK7lSwEkR.ILN_ob.kmUqbaPjmqfg9g1qVvRhZGWE4Bvs6Pt1pPULamhH3xsB3L5MXlIMUBdd173yusRhd7xEGeIsf.HAs1FCznPDPpR46f18ZBlupIW8LshP2tTjjwSqrutzl3Ci3HWwSQlGz27Duip8aDVG0S2q06xTkW8PwyPapzJawgn.OxaV5jfpvV_Qm5KrO8m7GCo.DeuaOjZBDcJdCg96EuXdFgenXQ5FI7L.7cG8q6F906Ll3.cesl3Og81qz3ycL8VuxNARN4ZG_B1R9hCas7292BxOAP.OuyM3LPHC7_ygBZKknaBnH9kNPTSaZ7qEu1hzKzWorZPHwYfyJZBi_80KJybvgG_cRw93I4Scl_.1_53Pwedn0D5PEwfl7pBw7P9U8gjBBAnGwJmnmEVJO2aVd0xTgJIO2pxD74JmTIK_yt3b.I6KLYlJVBDLRnCpnv36FOmThi9T0c43CJwfN5.4d.zlbpUzWlLGKnHyjAR.qNucPk4ZYnaF7OWchP1G7bZEFVz_v0UgqXmMONUTcmAThdcTMpMLffFc6uEUquZRVHoIpw0zphoCdhpT7EcguqzDfptQ8NR2M5tY92TB5wJ3H7o.b.VmmXF2hN27REcVoYttARieX3I1BBvUg_5Ru1IJpML7F5r.lUkBXZAVz_PxwxHaSuw1mJ61h9gecWhGig2XUuVg82yWPLVTxdo5y.yQgRBLeKTe5HEthKFCe3hq1lW2GaidcC_PPkS.o_xWjIPpWWvHznMuQQC.HC9n28MhRh6X8Od1eWAemA93Y8eGf8ABty_0iYxUYv8apIWiRU4jXKtLntGP00.dF7pSmT8OYEj6OX73E2Ea83T8Zv3j7SnP4fUu_2jXFCHAEMD2W7wCyChEOmdRfkmtLo_RmIpPRRFBethVuLeZD9btsyKPC3NYDFVj68PwKdRmtXAtErUdTNbhRajxL0X_f6VsdtqkfoyCEaYP3SJx8aBcT6NnZxRc4hT3mUb33j5WYbI74clEvxhiyfVOpd48an1JuDNxtcjiyC3IMAYpi0vNu3ohnsbQ9.BikJFHhEFRt88M_Fts4yGx3Rx80PLbsSW6SD8pSmLRbDZ_wBFqH8bcs470lmjmD3.ZgKgPZtEv64.2Q_Ynbh.xjNi43PR2kCgUVhe7HPChhg2macL_1gjlvYAs_ZtCyF6Q4sHEtk_S0MrNB3c_NCiUtFODKKGFD8Vf0TnPe0hR_N2kPgF9oEgKs6enaBpcn5PLK0SVvQrCTtCGoqa0ca0MV_9tu7aC2TdL.6o.utlwiw1Kj9kZuAOJPPGuKJnC5r1FkJxGqMpnt7GzaIXgVUuZ1VHQUcuykGZaaF2dqd9MyQaUCTqPlI9LrKecL9JcCjR8UmtnDsRPa0GaERs_PSs4DprzlmKIagJrkJQRrwzdi.IS_lMiz38bKdWTJMdbrkDosGxaGix9KUxRH4vaKPeuYnA3Bj9Ntj8aRyGtZIjGJ.wx.yaJzE5wiG8FCHRUb2isIAyrCFRYzuN_APn6zvIpJ3LnnNOZ6U.qyOtcGzuMbkx.ra55WCJ2_J8R9agG1FvQgIZcSbUVRpXbZiGMq6N3BF.yd7YGDhjrk7D5jQXmMWJV8zHvUHlStDg91Jm6CRnfPkdDFWQZrFwMxlE8kDwuX8QrB2FRUNRXiS1eX7JKtE8nxPDZkbzyx_oZGwdbjH17ZOn3gUSavtDZwdBjV9Tzv9mMIIJZlQU.QXS587qqBC6qB1r0vDzRbaI2sbeBjMOKmIdx3_YCo8D3efTUtep24hNR9diACdVMsWnlYDTzGAmTDBjFMckxg_WIQxN9IjCTZ3zO",mdrd: "pffKXBr0suitCzCPK23YBJU_gGyZ0RoNawC1eFUpQsw-1739133876-1.2.1.1-tuLTIskqB_rNLKVJXs3yeGdBOL7bRRtEAkGFGupLze6rlVTKaEf4415ASXAmoZqiMIl_NNuC8WZtcfD9PjhUM8O.AYrgWKByKPKlQd9xpo9jgv2R43HgTisa.2CI5YBb_aRpodvjjOy1h5May95XRw8L14aiGQz8T.PAtGix12lhEc1iOWIvB9WBSN6YKcGKJ36t3SYMhfOe8twG.GhouoefYfGVMvCe.k.SeUNvd1DB1X6HCsNboarL.ddt.qN_lB7np.yEbw7zEB1svtQAULlBZrG9UwUmEmdbaV33BBqH8nUIo8ApMGTwXAHtT3D2THdfdHVEEZZnxVoFUciVvXblCNfM4v17MdJGTOW4CrMyCQ672.oR1JJ7NL90vh75NWh0wVuh3dof32KSqRQ9Tgjr1RWKnVJlnvL4gbQdR61JpFBPN1I6UxQFNAf.DhO2LhNGKU2BQRu3mLV9Id90DECRfQkgV4HITQHA7dg5nVJzlqgifD6R7_.mm8BMdMGBI4BHJ1NpQW1gEgPVDlAbZEOJN6Islb0UmhVIw6.EZVykPoRMi55Ywxp68w618xx69_iTmZZbYZSrR0MGhU4q_qC344mIa1g3CH7Qq4pdWvkkQKkA_sZnA_hx5lNwQYH9oH73oI2YwAGhM8JcvHa6jj2sj2cofh38Dr5KCbjVP8D4PvzSNoWBm.pYQy3NRBTOWJCXx_5WAe.Wk6042Pk0LWFu73WDixMRM.nXRwplVMaCdf48E5bOokqktnZmZdL_vegRnFOz1o2emOWGED0ADQsr5d46_5AkX_PO7pRJVHRzTWoGt25ZnazfMr1p4UKkuqrpZSIfCyUe9ZGHoig6Hhn7tB9rwiK0WVhcpoENNVJyfyn5hDAf2Qihty8gs7C3fSNw_2E3HS6zukG6Cq3EjEkT1k3We_fcABXV4HY.DWv6Cg9ygqVgMvrcMmf4E1teMERjEB2ftlesmy4hmJHLDaL.HFJG468EIbCcr2HCpUkJEGrK.yUGjDgBc683kd8hTHX3ls5KvU9eSH.xCT91iD9Ez5h.gxHWdcCS7rwbmOWxyLwIBt4pOODZ_HgNtU2GNw9lzQIaL81VsGkUota0kseGVfX9qe6Qz6KZStdRy0D8ARok5Hlu215qtqo6gFrkl4h5LDRyKXLaFSSMSYrpQho5VrC9rmm0P_xedqjNEA8fCgzjsCVc3NOTgTQEc.IJ_0uzD4yB66gPWCBXq2fSj8_r4CR5bntqCKhpARBp7rPw1mgAG.H1sVfQYv6ohRyYeh7Os_IsK_o2AyWH6GPa9l1W4XcgI0ohZiTj5ELohnSDWkPeI7blankj7SvVkjPc4vWqMxWwGFkQUhKEwo46mgr36df9oSZXP4gTSX7EWFoQI_3uWrohAcKtqPyOZj0xJ6gbgcJXoZm8P4jIWyhP5rUjMkguU8JlnnulbYhyXsxsgfyfTKwQmKq2ejzM16AlJ.m4mALV2mYAJ4gqekvf8DV06jz3JnQ_7CEECuBlMwXAWgcCHVsr08gdJU5nczTh7PlPAGHZ_JbYejx7ijTSj97HL5zislJl6u4t_jwtTHwwY99.slX6VNK3KeLinvZWEFiOUSwkY_4ZDQjCbNRDxOWSgVliNWF7TnHA4EinezzchZQeNUkpsxBwcX0DtKRCaTnWmEABeXsL6UQw3ErtBj_h.D9xOY8uZibNV0nLevNQ3QirLNgaMIT5Tr8YjAafG2YL1vOi_nruZuv56QQ1cGyfB87uLJpKhJ33TYDcKk7jRLUXiRloFVX0xMfsI7IXp3oFAe72.AvV5jpMfV1.8cVwJvmL3Uib6.x3GaX7PX8"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f6b2c56e758849';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\/0261973845?__cf_chl_rt_tk=njgUtSWRLeExtznmHjbj2P3IRViwXsMJP557g2HmKgs-1739133876-1.0.1.1-V0PcsxsXT3DtTqZQ0j1QbqwjKmWKa08ILU_vSQ4GAyA" + 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