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-325244935735.mit-edu.top",cType: 'managed',cRay: '90f802aeceee1786',cH: 'wf6M9x5sNKP7hFRJ7vvdJNKZQFFcVjXApqZ2gYuOkDs-1739147635-1.2.1.1-snfvtpw7iC4OBJJU4nSCm.6HW5lHRunRRq5BopzWS2p4dPOxXuyTTYjCOmN2w7eW',cUPMDTk: "\/post\/4158306729?__cf_chl_tk=hXFpd1ch5AgPeKJUVxpYja9xGWDXSDiK1mNZZI88W.o-1739147635-1.0.1.1-3r1M1P2arMToANYBH88CQCMAp6xGKYKnGjPA0xNgufk",cFPWv: 'g',cITimeS: '1739147635',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4158306729?__cf_chl_f_tk=hXFpd1ch5AgPeKJUVxpYja9xGWDXSDiK1mNZZI88W.o-1739147635-1.0.1.1-3r1M1P2arMToANYBH88CQCMAp6xGKYKnGjPA0xNgufk",md: "ZLifISZO7odYQf.95viodtuCfRz9K2ozKKeoa3ihmGk-1739147635-1.2.1.1-vOgxxWcjwOdYW9aaSqkQkWGA.pyp.wpNxD5R_dNheGubbXZUnClMqZItI8wQ3zEfp2wQXChGX91v8mnGhnvxBxDVPMWBRnJGRMVenVQUXOMeIxWHrmb.koUuVy.Tv54WwN6P1fj_PEFeCXH_VxlsPdC5ZAfjC1DGCKhi4Vcozzp5cCu1TDXjvW0twaXLzoBHjJCPiZ9b6PAaLOtyj7AvGgW6oq29Q34MZEuIAf6CDE.r0NhygOldfaLAYp7tLsScuSRA_cB5wfyYSMAiZ5.3WbntPo7ifPnmNjWIpIOf6QDD4ZGTBcseJJ9SWbTuBZfvaToNclx8zZnIkIsTWLGKcQ5HijToEZX9DEOt0IA5ilyaS18H58qB3ETQ0VHRBAh0HECure6DCbAYla_NENwpGpQIvXkn0rVQAKawfyea60KY80vuE5R3bGjSPKgUC.LUwTrHR8YA8XeL9Cp4iZ4i7g76clk9ByLmgZQhxY94B0s76rwMFnUOvqf.TKTPmHUqz5uDqnmZ4uUJWd_s6.3Q.Rwvd3W5vvG1GbmplYFuEm4b_A07mP5YuwazD3RKKsEpHcSzWDwc4Y8nxVtdPbJLNHh22BbwWfrjJl9D.M74tzuOIOeIcbtIRhD7g_Qi9aluJIu91ibvXTHJZWkztrikpOdekOJ80lGXd_yW7yv924Ee3mPEYK_KdPzMWCGH1QPHHNOusSK3XtqyIGm5qRzilBRwGDx.w9pZJSHVh2HHNbruSKckVNhoz9r15ZlmgNZDy6bzmjbwscuNSMjFgZX4daBcQ2JPxStQZOXSn4oMcbMnMV2vBt_2pHgAn0wAWjZPYg4g94hUdlLdwrYCqEFjJL3CKv.jXt1yo5w1qXLm9a9KzAeHECnie3Jm0xKWG4mzJd2jkSpUmDkLOjwPS5v7wFxjw9pT.HmwOzzc4_P9kRaD5Qyu.fCUyrvDf2lcb02eQd09.d0Ah0cbPJo8hHFgaZRnnH0QKr9CSurKAhQiYBWKypaXPdHERdiGrZGqUW8gHc3aMCBmV6ZiQhSoeaK4UCwEQtFyp57ZibmYvbMUx40doy3uaQmxjmcx0QagB517hdwE1Bi6nsg_TcG15ruzniXsZ7sMI44HFPwrHpXjJBT5E1MhC_85nPUoJ3FRZL38sG7jyt2CwdPsGGxP5b3kphHTz8wQ6iZAH8DT1CJp4kt8URPtYzClB6jc1Vq0rD4ltRZmWzAHi9CS6jAcZRFpTnc9_vEAK0pdj3fA0ZCJ4SVQbfofcvSFE3qU12SoDPeSWSdB0gba66Y8KV74tmgLuJaVSIuPx19TjGYxvcEIElBqgg4sLvi1IJz2FQtYS9cOhR2.Eco0wu_Z_ic2RyOBdK__3nHX522zx0dXMBWngxNwB5kcvlV_WSu5vjDadaR4fwZNsKrPsQWL3tEqFnbLaI7POu8Fv8Ox1vpInaAkhdh0sEVGNDNLHdpw1m5oEJrgcuWuDE0wmWnR64vZIcW.6m7MXh_5yaA6EjKL87F.2edIkiTZcda36SGkSnm7DLV98JYeoXvCujJhXw.IIAP8lRknhcaWzJPr5i56jKoVrVcoOHHGKeEDqs25cmIisESNU1AMw9Mb5pX08kqcsHkLekBXwGlxIoU0SNlM2EHjq76o_i1pMxvgmLSGE0kcSByPZrb0.yHP._ExByQKK_BgGWZdgRFN8BX2yBdWBcDqvrgHyunXyoY3cu6aYpd3t81in1KijH_J9w9RmEbKkORVohRcM7bmSWDJjeO01d58k7FgCV.MH11m2A4wasCd3T5uBA0.Xn5lFQM.27I9EVdQhGAVgGfsR9lACo0J5sTxRX876XtDELjGlu7eXgs5_.8ggtmmep2M27GwYiKzkUxov9HPV5QW0mqCWVKZTwuJLBjsC3vVNyR.GGR3xamyK8l3IqRa1BR0KeCEsKkXSJkLpTYDdlcD9PaOPrNU_TjP3dtffmwYgX.LCW7CPjtgP6D.dZx6eQW0s6N1Aegd2QbP0fjw0crW11WDwi3BkYnGwQbeSOsHSPXSG2i9LR3EiKuoM45mXBbHMikByk82PhnNlXAPJyICUH_DET9HP47A6Q9dq8BITGgp63FruJ4PRodyA8UKTP1Qk_rb5wIPo8tcW.YQV15dVfUvkbBOcctkazi1rqtfqX84uV5Txr7Eakll9zjSMsAcVevlysWM8Q0LeYGUPIgcomYv3yDzccC9YRhHkvCMCK8S5TPn8rVDcqnE",mdrd: ".6Fj5ZYvjUNX_d_SdQN68IJJR6QzQHOdV3ep3jTV4ig-1739147635-1.2.1.1-soevc6fmLToePiCDaOvb3q6srlvBVcuKjPFeoS9Z9QdL_trzb2CIsDVsnguzVyAW3OCXq5B.v5rkQLPamVqRoWTYVZy1nhDLVzxxooOmX_jx3vGHKguK03pqeaDSaqEfjoDwrsAt5gpIwKjMZSgHM967sTHiWsHiZId34WbKQ0OQkJ02bSJX8IjKNgSEwOc510K_yXHWHLkKpjJLkvcK8OsqayaebAsngyBuzfA34c4pE6kylz_DgZTTJKgft2.NUp7zYjyT5ZuJHJbnyvZwrqICjSj2DnJYrCg3C7CPmHrbztIOm.2NXSWhKMY_DZC4dpCl43avNOYnq9hZRfiA8aZ4X2VuCDrUsHY_DC5Exmde49fNMW3muKMGjZkGdPyCnVOpT6dznBoFGw2NT9VsZwLf74IawGBDQeds3N2TlGJkybs5CR_QuartoAgjrs0aBR7ubx6oSNKiRsqKzDNXaO.xeRc9qU5MU78nX91.zePEOElCoSNQ8xiiPVjBMdpyTkxUImAdBfqI56_7ojv9SC5d7DPfMrTUcowCP6rccS9LZ.EhRRU2lAxk2jOCVcdQvVUbPWkZRlweBrOyfpurf2zX.OUzCTYKqqMTrfeH36pAYZfaEGZWUcwYygyO_.wH7.FKrmLPUqa_K_Hg3V4DrrOaaisc2xrbVqmF4F8tmm1gcfhtnlx3igKyDqAawI1iDjzrlGvjekHkVKMn6pU6bepmO5qxw8VI0Brsfck827WlUX68Z.oAFX2DHkqeXnaDAOeL3LC37mNmiqwxnD5W0etfLvqcjhG.uTvicq6YoOI0H0tLLHGgG2tJpCLcMAkFAGt1xbln3dkZtSriDCFSPU_Fdn.jgoNowLcHOKwnk_wSq3.OoY.p9y5kR1svsKCYHBqL7X0OM1Y.sUp12_TEYhUP5RKh6rUDr8kZ.vmed9dwRFXzTV0ma4WnxXwhgvjigYRZcF.XQJm9mvbzboEWIhbznY6kGhMuKFZlgTGG3I25Sb7x_WSEfod6DSItU8Vqe8wP0blrZFhpLZm9OIxjmC6YnaMyK1q2o1PrIIGsUQOU4CkHaUQAJjALudo2.Sh7.39witMxfKL4YUJ90cjLIJsn4raaRsYSGHQB3tNSwX9fLaU9801M1Ioz55idWPQYVV.VZiGR2oH3XlS1r3ZWia0ZAp1nPo7LF.MV5lA0zyp0YrmPa1Q.8SgciNDvv6GWHJfi7vf8jiIzADOyGdLyRRum2bWQrwm.XF_MBGZnKizapyHWSU5wP.vo.hXNV1AbJWqPC4MXS3Y2sVaj3.czapyLAOaA8.hc9NcyF3CfeC1jIwDk.ebNDlmFSQY7CMUKT9mFIQg04ULMkjWKaj9SL.tbl9SznuIsWkAdyFNU5I7reqWuOuj4pUBfJy.D3UxwNb9GD9y.p77sCurNaSy8RY27LfE.9yqu9hCGMnt3rKLOdSpGVdrUZVlPDTf1Zs7s097YlmZu7HI4Bp5XTLOQsSdATMbP5gunvKdNp2KAxldSQ1KFYJWpAWM.ocTsU9BSn1_pRSNkCvwOgMRZq2FzeGZFcv9T_kFOd2eMbvFtnZwOlaWhez04QMhkKpRumX96TcqvI_Af2rPSDj3fkRQkPr4UxcThGiX8i4bUXEGCJutQ9PjG3GLFUueCzCNkxaU8PBBBxLJcVT.z9gaPeXkzo4or03Lrw0rp_r5f9ELol1GfVHm7snbZk4qVii5ucXkv0e7MlGDgRw6ViHX2.XSGYtQlCOCjHHa3DyGS2r2if1i_cuKnbgQvTTp4BFJQCSZD53lTNJQPLbRmSLa2.VxGMUexagSaE5C0EWT3JgziB9M"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f802aeceee1786';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\/4158306729?__cf_chl_rt_tk=hXFpd1ch5AgPeKJUVxpYja9xGWDXSDiK1mNZZI88W.o-1739147635-1.0.1.1-3r1M1P2arMToANYBH88CQCMAp6xGKYKnGjPA0xNgufk" + 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
