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-880688075676.mit-edu.top",cType: 'managed',cRay: '90f199f6fe1129bb',cH: '.95YNqxrbu1Shq2XErGX8W.D80HMxD.eEs_ej9AncUA-1739080431-1.2.1.1-EPw8XJJfSM_AEGktngM7DF8wMjnE8nb0npYsVgxzCIEirVwXYERdnoaqzKwI7Y.N',cUPMDTk: "\/post\/4980235167?__cf_chl_tk=3EuRbwtUcukD7dWFMOXLDO6fDQ_jxVHLfGPBHL58Lh4-1739080431-1.0.1.1-088amMYOAlYMtTLtW1KGeFj4GbyjCdo8eM6.ACf5APM",cFPWv: 'g',cITimeS: '1739080431',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4980235167?__cf_chl_f_tk=3EuRbwtUcukD7dWFMOXLDO6fDQ_jxVHLfGPBHL58Lh4-1739080431-1.0.1.1-088amMYOAlYMtTLtW1KGeFj4GbyjCdo8eM6.ACf5APM",md: "2OI29xZJ7AA7umxZE98wd.Ip0y.HQvfhhVV55oxyPy4-1739080431-1.2.1.1-Jy4LpZIf2Ysaax8e0ANm0VVL39IyrIlI0ETz1PES_kHcbwbPVXRyfwYi3GKtHTwXl4_z6GhAL1g9dtZKyxb2XUVvpH7sElGMhGHewJH20HJYrvdoOnXSWtbVOOlvdzykrPCHvHVsb.oyyDSSjeNvx3QJre5EcspPFgatgl_3cAWXiv7OqNUQeKCPIXyF0_7JsZCHck0XLQNpqKvuTi.uP4M7QE5znR_k6AWiCNsoL9skKAn4hFboXSt5bhf_R3cAUSRD8N7SAkPb8phJLKTXgO_CYgin69dZF_tHXK47RlhlASU5PIRkKhx2EsV7rMQAtnP.VhgmvL8tmVnQn0NkTDAHmsQa97BEzKjS4DrtUnF597FPK_pzYRHFlNMCOLkWMZjQpWL.Np3CqoyfxYj5QK2Hg9.THCC_GZEjebT_E9bOWieriq8WctPloFTgHCfrwZUal3EW_4aiZ5hhDipPC6RWJ1_tNcXrlbO4Ixnpd4tawtyyoKtCvkg.tKMthdsz5xgQVssjgxYOIXYs9UPWUtdNoonIIxtgraaoepWZhtMR.hBiGJA9zuXTxoIf_LaT2hdpPJu4UtxeYdogva.C5AACwhbgwrbcoDvXVdaIyH8S_Ilc44mBlm78d8QpC68XB5x5x.hh2yZQ0MGO3_ZGOE0Du7wXJEjsox5WBjbuic7uBgjm8GPiSeF_IvF0e0HJ_o3D1NYpZspUpE5EYV9N2Hy57doVGFsY9k73z_S4TDbEZ6uC4qQdUu4ofYpQDEwfbGBXyD07EC5GbzAF1CmXfu7Zwj19kUlKYkb8Ri0EIdpwT563THptq5k0jF59azD2ImMRXDklqz8Geup3qg4YdAjSmY2O5URR6w2N3FgCrkikh15TjYS7ULZngBiETMoHeBKDH9cfPoYTJTl1AwSEpdIweXXtOE5JgR6mEKJzvws6Tre4wTZKpZXp9Q.BlzYtGSE0zOJ.8uc51peIglWb4HhcPvdwUD7MH9RAFO5c8LDXLhEzPMppm5dgBQvkw4KOoevl7CjKa2LgnML7O5utQW69yIa9Dl2.qWHV.CQc9nBVkZoHJAsXeZnNHB02byzpVoW5a_iiH1dN0ISoRXyK8IZba7UAZBGmMKoEB0q5c_pNh0TDvdfI0WB.LkzPv3kNMrLvtoOuegcWoAmKrkPmo6d63k5I7Dot3e7tnKTEj9G.WWdOLyWbsge4KNrm1qn1SewJvyUQ1n_47cYpdmUgYEmRMolihAGNpfHvacmQgqHOVxlvHx4Ulx1u.ggvSxGJ3pRTcLdi1LXT79ctWNtIo5.UPllEJBu6csg62z9QWoe70QvD0NdmokxSwidpY2V2LpplrdWvt7ZVvpuU8z6sG38kUJS5.25thyD7VM4Bj.kl7jHWugCen_kc4ur8lFqvMTKWXazcwTlktby0DA_vbKMY6Agv1jrOkl1kyNKl6td8y_9SmMILx7PjnCLbJHIgG3dDQ1BvGKf6DqcUNeo3jcN8ox3b5jZ65p254g77fVNE4hH1F2HRxiVIaEzdN63ykkPIEHHaxnlBY9Ql3tYJu_ixanFKetX5q.e0dwG.wZeZgVYOsAmmHaufdKvh6qcOLUabAU_N91CKP0ymJcmfvHyOaFhicJq6eLcXSvYITj2raLiYeNJFy1k3ml71iKqagqF9E3RAnX6z9oh_Ca8s4lzLJEWCzMQYD0OKVnIYAcRdoVw_GjL98KZFsWpiQbUAk_0.N1JINafWRNviS8xQMOlgOGdIeFAlQEsfytgCI8idRlW9ccKzNWD.4anUABR9ajpJBOKYd06_FlsqaR.xbjjzCA4DacRigGujyCOngcjzeHnsnYRR4L7ZFrff3O3YP0ZCy1u1dMQf4EG_BLSo52YES4X4rI0cwkjkGc_aYw0uF06k_.N0zwIOOyUyfE2M0TdqXvZNoed10J.4MyDwPy2Wda.za_gz5MMsCHsN9U7e7Lvt8vMV6a.rEJHOmlOcil586WIHoFceJuOsrmXYLQU_9JEdSEcTh6nbSTOcC6ChdXBSUIPwfufLyXlw2JVLDrfzfBszZszat54kOmSOT7wn6JMPRQINH4CHOia0X2WNCVOFkTdzmrNFW9p0AACWup9nC4V0.i7cliXbqtdtHN.B1fsykJdymGC1Bp6Is5_Q0Gz6rvkoBzCWKWzHrl29_zOmKHHwORjBA8VzlCiMDQHug01M2E1qKqvL3MkFkPImEu03LLwQG6pPyMVpNtGA",mdrd: "LyR44TSTjfE4nE5DnyNGlgUGF3q4kTrx6hkD0gs_42Y-1739080431-1.2.1.1-_5aiLoXD.gMRMSMgUxnRvK62.hxzARDA1pjdfQwWm74AU0ZxPb8V0qbViQtnAGRZ5OkK.EtBFdPX7F50Z6UaiHnsHFmutAoRL2INO3chptxvuo67AlYYCQ0rG_Cz9ChGJ6ipHrexKfCvOf0XgGD8R8Jw4ApAFpPRCGTma1WoKNHlFAZ6Zy7kvLixXuKPNftyxobWUC8BXCO5sML.WUPytrrWMSgUvtlWfMOpLZ4p5X0MTZcqXAUwBFnA0HkO.GVvHwTXlAvdrC_O5DM.ycJSBX8ocoZcSJQu64KDNA3biGuUNRcB6CYinFN1PoO1NbKqZHL5ZLyXtEbgS5tfQ87fD7_lPSqVpuXMnTX6rA7E47khrM3LbBYPxy3Qz2vT4tczOASWYMaWhjJ11bYia2EZIBf__2gxlUaLRZIf.DVm6jKrrgmnIgzXPzOhe8jtZHmFkW29XyR7C9ifHxgl1miku6dSxA727MGvQFfTguEkeyF8e7oFcen7op5GW7x4EiG3ZnChKh1MjTeMrkjm9qy0BVcAGdxScL6Aut0.Yuj8GC4k4RlnxFTeFIaHEWVXi9IR_UAMl2d9etc7qjdhv63CwvN8ItQIdfr.sbbWqDrOhwracFgn7j_ddt9dgPBUmNrhK4Eow7Fq4i.wdgn9v3Mo92SuIE253uH7eISFN0Y8zdFCudOl4Fealw__sPLStFVbwKfd_wqRH_R2miS1frFJfkdBasRjKPCIH.B1K821Rk7hTbWIz1o8M26aJVIYTxRqIv7Tth9yK8wx4bOfuAnn2CfPlItNlFOl8zcqCXdZ5uOmG2nrk2w7GyGxm0Q.Q0VgmwMe.ofTPqYucr6Rembfhj6tJ5DqwkgoEFO8G75Oj68lpOWFJ7tdL8WIvNU1dSKL91UJ.I_GFe98RG0EyC9H7p8gNGcL1nX8mRjFlAbq63KNyEQ_Vwakf8V7QCKFO.MqrfQSQJOX4AV7.GYeygszkZXcpOBxgEdJt0vAa0qGZph3Haq0z544GppGUAk3yis9JyPjlFHr7CLcj7Gx3473vCg_xZ0ndphsQy24C9wcmNwkvVSxU1ab0nnVasXjkQ9YPQ_4gXCeiURAKDWOYeTvKyP_0Dij9WDUB0tfGvV2vZYmde5FxO2IKCBF7PLlksQFZ323azrBM49dP5FD2sJD0ZPp6aItx_G9jnu0dz.B6Boo.G9wvfGxkcUt8hLAVfuUqwTlKFLLzsXaMz1p.pnDOdcW4NloxgRCjKRl8FM2coCaUb1lvWJsGXN6SzziK7SgPcaXuY6hVze1zG_BkNFmi2BlMUR5LUmmP3G2c4t1vydTtukVt.sTNvp2Xac8gWZBIZLceOW36jnkCpLI_UOssdMIPJBUqNbevCc3hIsFVhQlEG43F6Vx1zsZWOMyiLRU4unrL19xmZ53Lg0BzDuiyIJrhgVfBCPkBq7gU9bG7a.W2A4d7PfcuL4ZHBDdR00KxtDYejfXbsbpWAhJOCycgHYoFaAWB0lYPin4KNmYau7TSitNCZwPfdhztyxm1voceGTsCzyV.GvR2H2RXcFlOQOcXbVUsgOlSaIGPQnDMNcZ6X1S.SQS9x3Ub3H1..1.rAYdWJQyppof6BTa0w4gtkUSXZJdajMdrUO5unKpXte0KymbjSzPz1an_KN8ktZssHe5A8lmubxEw3yzweTUbH7vtTRUQHK.zqBLkIRG1qfebAuNn2R3Xi1qlUlVGhhdiGYQr9_3JKbWwdmAO5pY0RqL6Lt2LRyboYre5g1Ijw1Vz0b5pnxxW_nQhB7ShMjmbEEFLwIXW2j1v9ffJvqvxYZ2iLOz43g95HFNHDwPMVg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f199f6fe1129bb';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\/4980235167?__cf_chl_rt_tk=3EuRbwtUcukD7dWFMOXLDO6fDQ_jxVHLfGPBHL58Lh4-1739080431-1.0.1.1-088amMYOAlYMtTLtW1KGeFj4GbyjCdo8eM6.ACf5APM" + 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