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-530347487248.mit-edu.top",cType: 'managed',cRay: '90f18712ef3f8197',cH: '2.Pp52KPq4d_cjTcco77jk.NgTjbf4SFDGispmEwHvo-1739079657-1.2.1.1-zS21eDmoTh8EDQ91MtCMxL.lgMnIL7LGyWADSovdFS1JKRKyA0h7ls2srOEf43rG',cUPMDTk: "\/post\/4071839652?__cf_chl_tk=N_H70QlNN5jq4PqILldphcnGzy1bQWboPbtX7hKA6b4-1739079657-1.0.1.1-F2E0veq7ep5aakZmnYp6cWvwNgHpnMW9T2LHWCZ4JWE",cFPWv: 'g',cITimeS: '1739079657',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4071839652?__cf_chl_f_tk=N_H70QlNN5jq4PqILldphcnGzy1bQWboPbtX7hKA6b4-1739079657-1.0.1.1-F2E0veq7ep5aakZmnYp6cWvwNgHpnMW9T2LHWCZ4JWE",md: "EMHlrR38DEmJnRaOY16lEBLv5uk57XTebOlmPqWRjYw-1739079657-1.2.1.1-Z_8ckEOu5cjQbW6w.sq4kD8belryDuM7wcls34Ept45GY8_ronXa.UgFYzLyb4feMsF1PqRiChJSoIXLx7s2c4gJTpyNfA4Gr5pkVb87e2Tb81sYMZF2UnHbfGLCJBMrMD4wedqP7SZxvLr8.M4hR6KbXbKZrXROfn8uCirSzavNYB.tlsjwlXA9Ol0dlz4RiBr6Fe.G3pwlUhPAm4PL5GxyOnriM4I_xflRDajNvXaYVGZx1A0h6C6M7NWjetQuISZ__5r4y0KiHQTqvvmXfMXyKXpPr8Vqia5fuJWzQVQg9.sQiTMNyJdEB7SmHKP.ffhcvA_SA4ZyoivbQ92GwNqh.pVtlvDmR9Qa_zfjY18Q.Rb9.S5FUNnDflpYdzOPkmD7cUqqcLGyT5y3x5w6YVqIGF4I0R0hY3wnA.lcSeoFIHfV0Ad_vi4prBdIFhJ73fXysrL1HV6MhReOckt.lKFzdB4PGmptS2vT0lq9Ynf3jPLZwF0_X6lTZeFSB1igSOSNIzBh7U0vouGpk5CRcAnaAatjhpy112wdN4O1WYKsjECmLokBCJ36hGfaNYrO8kb9H.FZmTUMBKQZ_wzWuQJ_AXEx7eXTE7IHLumNhEZkGNhmO6rRmZD5C78DQAPeFVOe0whgh4fCOoufXvcDnvlyJDWftQwtmIKjtV8QtLdGE8bs0_638EVQImgLthL5bhrj.AO9Izl9_9NWa3.xjzbTgKcKIfDxlRV1_j8a4zyKbSpBmboWBrWFXL8L4sgAVe6ZALjQL5_0Pq7p163Dl0tsmJXvTTMtmgBdih1srfCpuYo7KxWoaDzaQFc5Xqk1IeZ1vHXDVumR5ivMAkbf02mhu0KlJeTlX4P4edKU2g_Mh5J_OlS5RQ.RRPMXyD2hr.ofZ0lOeh9UbY932dhJCNfvA50a5A_NpUyaToPE53ZQRgOtxvm8NHxGVF2Ey5_2FuJzuKQRsSTR55qWex1ulYRF2RZWyNpYS23a.7.4AwDJhUBtn93DJCx3DzxDo3ypFWXdMkjvnmPETgRzguLul9qBrE0o8Rpu7Dw7Byn3jVykT_YF8gNB9LdZIGTPGy7.O6sWJedB7DDrthidJqh72hTeTGJG_oj1pN1nvfyAtact5nns5L0tcPgeXvMkDuyYNa_zvVYlTMryCtSS0liYtz7KSl8ysqwAJfmnO0SnlydDFet6VFFFKIFQOdtr79skpRoc4eej7YZLSlQcsAUU3TMgSx4fUmb558a.Y7NkTa1W3PNePsUUs73fFwCd6xUx4nQ3q8mZuqSGWPDLMdCuQqSFeiVNamHT8uwraljI2Uqgbbh57tQ_yPR1a_lu68QB7MU9vKA.Rr3sQCbl0IDw8ry8MdXOdBWO45KL1JTPhF0I5oF6OVZvAuwmRvYxAlS9iQBLZ4dQ5me7Whp.kWD3mxx8sNwGRbnffVIv9NPwEuylZiOl3FRtrp9ci5xW0VTHqqWz1ZCYVSIewPJqmyqxlgascfGCEGl7DQdLdH1ZnSpb76B4Z9i2SqKSgRVCujmxX80q4080NmSchKvun3MJS1drA9z77R_iDLy62.CAR4w64zyz3ixS2i96rRQLM.GBaSVz04CropFNf9C7.TrRwDE3OE9rPhFEA_UQbXKDAGYn98gC938AdNsmyawf9JeBJAuGj4Yu7Vyk14pgCS0XmldpYUdOxvjGK57PAJbrnQCp2DhTztrZd.rB1ssfArb_uAXUyuh0S1xsWaO0jOT0Otv33QpW8MF8_sK2zxW1X0Zm1g1UFDcqVV9sJ7h.Ylrf7jVar.Ki06g8FB_JjUUTVFnsgJBPeq.E4rm.SnbG1RKSPpeiU1aXBrZn6qJkT204gfFm1wC3GfqOFofV97GouZN2ul348GTY1H_ncZJjqjLTH.mJ2oY6fSCK.szyWwoceXg6rZhCNBHcXGNFVBsqrniUAF1S81pyTGCFYNp3_5odpg38H4rDlgV1_ASV2C1kGxagN9PnqU3mIfM2fUpAmmnDKl1ig3o8ygOODuQOPQzVWWgwnbjIId3AZBhokx8a6WGZg3nKGFKWICYsx65k3QR5rCF9yc35WXV888A57bidGAS9RSB7ad0Je2zIpHosRWXrEEjAs9GM1PE0lRvLV_HRkVniVi0GNOaGXC6CiUq9vGNfF4DFBwPhj_mkWMkfn3ClPEylen40W5r_amJgCyhLDxNqNz3FZ6wqH.TFcDl6myFog2VaMll98h2itg6i",mdrd: "hq8Sq85bnfT3fzIWIKx5ph43OhuGr_Uxyv6b1EVnFnE-1739079657-1.2.1.1-MlD1r.aTK2dF_v5OJu5jKnr2V0WEGl3DQVvXnLDC3hgF6XZiTS2E0CDz7hsBZIcUILG3KlecBQeMdoL.UwE..7zc14DuoZPOaVhOvXbUD_Xut5o66UFGHi.kDEwE74uKVn5yVi3QsJuYVLW9EDt_SBhr7TKWQt7YMzay.rhtIXIL1FTVbxrb6H6.W2I7j7XAaJ63v4VuIlG2icnLPtQ2DtI6wCxoKEjXvcNyGDiVKLz4C5yI7PerctDezg..vFw9zQvuVzKBr2fYDRvw4Ju5c8cuvmRrTNkjg3OMjDj6SgOEOkHCHiGkPTXdcfFl67.1zjOhEME2KPIGUk66vQlAj7o2j2zCFr2uLqxHgc1r7s4iydH4f2V.xkmCgHh5U7QfPxvsvylsG1EyuSgPtKGqH7fva9uYlq1xTQTU1kkMeejJ7TXzP9vSqF17iUOszt2i6gJPlYF060wzwURoA8wtk4BD.GEVk01ETS7X4bxM_15S7gK2Movp5oCSw0AoawuTPo6fgNfbeq1fcmKIo3jKsSi4E.Su3SK7xxEFGvD.d8OWsWGY6.BazgKQiQBre6UxFeLTNF39HEbvdUEkQJnu5DT7Vzsf8LHEKHbKR.7ioWitM1wsdzW7G.hlNVTRjo00b0L0R05qJUjMQZLLKMXBy8RwtG9XcezCNISaHQW7IyMK2iAT94RWkr0Xll456eanuAMZq..2gwQ.Cv7NUd_wTmT8fp8ydo4IddpvWnGYEgX_5B8YNVAEQSoshsNCMLG8Dqvwn19ft7ClxTQvfovntXfD7HYMyzK4zQiLgbbl_TvRujuaeRzyPHMaaSr56Rhp6IMoWMdsnqD2wlOZMEBpLmt5mclnL9bqOyXeKpBXfRE7B.mG2K9KK6IraOgqwyRM3ZWearhJJM4BF4LxflpLm_OgIaFCMz5IXwQivmgJ27pibf4b5NbzPQnnWbu3lfYq9GiWf5feIJzZKrb58VTT84uepM9dgJnzGquknzGFO_gW69hAGOg5H8iyOVEBrNdX0YmtAiG_z.wWX3hWnkCQevaNAzjnWXxB7iFRM9QUvjkURy.heZTJ1c_j.7BFmh_ChUq0r3Z.rx_OToHowhQnORrwC0wjSEUDjAqBnmYuQ6oSb4ZhFbmEP5VYwUWsaO8vvDouQlUnvODF5j8tap_1_fEMACBlyw412DJDq7JFd96dpHa_Lr75dtm42Wr6ono1WNYCJ2Z_HKk8kNyE0ZcS1BQfU4YytvU5m8cfIS9XSFJ8onXO_3M5jt4OZh9mf3T7YFlE74hb0MGVqewClB4d2nZ60biJWDgcSQPERgcLoTs2bU.8D.a06tnt34w2dgt6NNzJ7veKlfNaA_OCS01BZ67epcoiKM8Y.C1nIEXzVOzy7V31H0rptmQr0NmowmHLzgb62i9eYTZR7B_zuSW7UIMq2o98PuNP7BdrGnTn.eeucC7iHA4yMpVi6AQ4O8gc8qd7ipns7l4YXJzFZ2UwfS4VhPmllhqS.0g9nwKrqVJopFMCosFd0RahKVPq7D_cMgLYXg_923kw7tY8kECYrQ6EXCbDWzlbrGJ5WQb4oYV83YZzBsspY1_LrQ_FXbXRXX4XSQNQ2bG.Qk9uugKBPxX_aELNq6GlA__FSQ14JJ5c9jCbhxfkvHotP3mISkmJCuSXpuv1senjMyJBajrcwY.xiKTUXk7Mq4YFNq7qCXj7lB3fVzJwaQdNiMRs2ftvgT2gpblnmSeDOIheJvJeYvZHFSMLllaQwxbjMTwS6GktPYi_FZcxK17ONalkYJoXZgs4rMsrQilKh_uU3rLxk6OzhJ1q8M0kyCfh08N8.scOBShbMhCU6ecPK.9_wFW."};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f18712ef3f8197';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\/4071839652?__cf_chl_rt_tk=N_H70QlNN5jq4PqILldphcnGzy1bQWboPbtX7hKA6b4-1739079657-1.0.1.1-F2E0veq7ep5aakZmnYp6cWvwNgHpnMW9T2LHWCZ4JWE" + 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