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-341246879290.mit-edu.top",cType: 'managed',cRay: '90f42e2968b7828a',cH: 'P9yhP6FVKfWIAQ88p22GHD5NOrGKLslLrJdaHJj4ENU-1739107472-1.2.1.1-I1f5KKsH1jCyEQjcXA_KQ4D4TbDuacFid8qN1LZ2GnBXQqU7AGm4UBKJ_gY0a6SQ',cUPMDTk: "\/post\/1954362780?__cf_chl_tk=uqocDkZ5tV9SRnHkpAeWJWDXYlHaF9Pbd_FwGNVczNs-1739107472-1.0.1.1-Mr53sw4rYWdojF5ypBWVZpJKrId5Fw0nFvCUpdR9ygM",cFPWv: 'g',cITimeS: '1739107472',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1954362780?__cf_chl_f_tk=uqocDkZ5tV9SRnHkpAeWJWDXYlHaF9Pbd_FwGNVczNs-1739107472-1.0.1.1-Mr53sw4rYWdojF5ypBWVZpJKrId5Fw0nFvCUpdR9ygM",md: "du16MBT5AMMDvXADI7G1s3_AYyXlUfl5vSQp9iVS9Ng-1739107472-1.2.1.1-GvDdZJvEgh65MEmxZpmpq9aI_KsE_MisFj_Z3klxLY_mDI1ibGLdh6pJyyS8UqTtqAZuQS1gM.w5fjsWXcHVzU9HbNMrMu1k7jN6.pX39n5olhGxFbneUoQrxSVL_wdYVPZiYXpadoovj0YnoTXpyzCv3WWB0qOyyTczcnyEcNVgeiH3a4uiihhp2XYogdMm8bKq75fg4AJS0SeXi1I.Qa3yIIZxwVfL.ghdFTc.lTPvtBkLti5Fn_OuYDkJlw.17S3tGbCQ3GC65mf.QqyiYLKh.A5CnJJkRlXn5iELSUPEBslY1W0LMloR2pALG8sqyI2J_IjK71O8Zj.ldPmpyTbw9WnkvcYfzqaROwzmCbbusJ5xPwHAoFHdKvryjhDvcwMbH_18pSzVa5D0EnLbBc49B6UMCz5TokL.bboqd6jkSzE2cvsGKwt1zpWq95BUrwfmoFjumxSkisFJ7ar5rbUDy53L81nrynC2f6IucMjKnDAIvZkEHt1dVLH0nLqes9AveR9CytYs3DUlhW9fit3RFq.cdtTGRS4e6XR5N05DOeYL7CBQDbasdFpYpVL60tnhAWjEzYnC6ltdb9L7z9YK5cbyRU8RS7eBpa3vDv7RDAGTptAuEOn_BD9FU_4joAd9GdlvghtCd2d2zkiX4EOpyZlksW9DYK3TDl4k9f4FFzEGlnLL1zTnjDA4kYOzIBjipz92HiAG_kITAhybLptyjVxJr4Xy_BxXvnUS6O_bVAF8U_5qn8B4oulPspb.eoI_Vd2F_z2W0QBIvln68Jr.DQ1hkc_04Z_IaSJBIj7jMDJZPHc4uSbwgOW17CcRuYvLQq682cw5welQz4_HDaZEVKIDmZg9_WBIsu1i4rwJxvDwvuZHeLNdhEQdyNqiZNpzuMYMNLMVAwoR2uPo8LlbPQd69pNpLupy3ERwMIRB0ROtX8CVIdaBKOkyBjsZ4AoxCXo5HMjrqRSBCs4oKN6p4f.hionunV8ofkeLCleWTJSrOu2bf2hzbMVP6mrpG5E9GevEMSiRJqJ3zAIcAZBNciIsfwVAk_e0Rz0LPgc5OOfT7XqswaaoeBTcX.RgbWqEeEHIST5T2hl5OqGHBrjYg.UW_4V0fbRWI4B73D5KrS_44lLoD3AI88ZTV6ZQGByYf.SaxS60oHt_qAoXxYf3dALkgQpb7Yw3Fssbzk.xP0dMjYBpaoYpEQnhhcK7O9CIbqXnaiueoJUQTFmwJ3CtU19J6FgulDjD0oe4Bu8GjuWCe5ceFnNk6aJOcpnlDUS7dSX4mQU7dv6n3QSoxQiXDHpyHcG8TUvBna84IJWwSK0hshuH20y9ePBk1QtI.unV0jH.b_ImXcwygxm5KnEgMrCm7NeyJgYNgVNQYvRb4rz_PCtrgCGuSaFqHQa461A2mWzmAcJ1Ix4IIkBiSsK1O2J5Oa.fyFJU9_x7FmRUGETZKddUWYvgbNE2WpiSn4IVVt5jiZJJ0w0YZCQFvg..dQQQ_0HbAy8CQZoDVIkpk7jNcyQk.nMz0S3LoQBptjj5cLcSqol_aPG2FxKbv1dFHz4O66tX98xofFraNyobGqYYfMeTOxfXvyA4QJxjAMatlFG.n6K.JVfZHK09OWYIqMKSy_WifFnokJTar0mBmVHV36_OovQSIJke6z24Wvry5pgsgctpKtT40cq.nT6raUlqvskT8cfvQp7iNs.x0a_smvBcvzw7DOgAwgoBnfeVbqp7jK1uxf6eFAXAlTBHyIuEBzTapEuHFhWwyoseo.U.UhVD_gz.r0wl7HhCA5Q8Mlp4i_Hyy1QNoGuu0MDoABAmls9cVYBn_hvfHwGswoRzKSr.VPOTVq43INYA7SaiBY0e3kXxcJHtUXDkcCt5OnDYUnnVKqn9O3HywEXFYZm9czCZpjxCxX1ewPi7fV_AugJ0V8LdHSwHhE.E9Ede_1XDmNpNjyXUcbKL9NtAzMarXQghB2wKMXFjYeZ5d0qp4BBBytudQ2dpQbCMkXWFPaNbegqL1fTIwUfrT4nfYEPipQ5NuxFELEFXsdxz0nPmf795xbrvrSF6YOAhb_OFJ.n0oMTwaUt3plF33Dx1RT96O5gfpB61_QFyDM2l7Ssry8BcECTh7noeR8k8BA4vpGAECIlt5XLWJFBrZBsbCRKgpaZzw76tUzofIqegtdt.xhFZXYXLifFO_S04AOjyIdeqN3PpYCDp8sVUo5_Z1.qaxCDqK6GlcrLrY8dH",mdrd: "Y3BCURLJMtwZqHTd5KArNDdeCQ.Nenz1ygyB_p5m388-1739107472-1.2.1.1-MiN31OYX_XADvMLivWzk0vm16T3QaDzBuvtbdqIh4UMbA0ewlmR9983KKfV5vNhTv76zDlJjOWGofhX61g.Clmoj4jQk5xfTuQYszTk_9Gcv9rjerYGRL3iJt4j2dFqc_jAvSx2E3xpuJ.INSl29pTPX3KJGRHRDep8ArlrptKnn6fiy3cUA5jNyjyz8GrvGk.Ouls82O0zQKm6f2r5biWECbUgB7b0dO0Z6aNGhVNo.WPhFVjm.SewPjA..MjrWzo3VqtS_LYLVvK.IJhU7dLgzehmYsHcKP0PxfVDPSMHNRwjGScfk8p5FlgTk5z_AOdNs4QlC__VW42CvNmfmxMeSEt2AyowbATY4ZgOI_LUUuFG0b9e_rPBx0pvkC5F4NJme59jRpgjqgDLoJVGj5246n7mODa6AC1Ad51Ilw1GfjJm4xvB_y3K.6uew8SY0IT7z.NdVCjcmADpIzUlVoI5eLq5qu1sb.2bTC3450Pp7jTb5coTGThPmtgLd0m21gsbFdsMDk1IJ5G1jLiCxBQ2f0Srrh2Q.Psz1c_lMWIIId0ufOQKzvsHKKj2zjVeZvK4AL85fckvnZr9kW.Su7fJJOZKNPtAml9YS3K3VGKkyhfDl6l7gXrFeasP_UiizsJ9fZdqf0J89FdioVW1lDhKxNFQ4JWTUVsCNuGjKaSdSLXw9Miu6ppqiEFXuSUWICHGAoAqkZ.Tzd1rL3LSxO9aUkGpXsv0EgtljpLY3Q1HimiNV0uydiwj9u5lCLMQoitMqdO8jH.GAW9l7MGoi6wv1olWIpJKUJzbwffLKQi6S0yN8A5kr8fxERNl8UMcCgoZkUZ0eDyxgFb9SWGa.hW1IVMoywYeCxON8gMBcZmGKFrDBsPaWyz_VoqpuftIxFsehwxC6vAxqLuAKceetdiKXwJmZrcDf6r5MAffQopcujGBj3QHeVxlX5DPz4vgBAP2A2ECwgktOoB5J69.Q1xgI57aMjLTuE9MXr_G.iAiW7RFmCQe275geZnjw9k3cxGwlMuGYLScQjVcOOgOVoLlrdxRWUQnTRR8pdCyhtAJufbie06eUiMKJt8vqVtg67MewnMOakTMHWNvpz2R2WUhQCH6u3LNO3K6dwlmcyoNSsABNl6ciLNG1C.9nN20XRv38ypD.M8Ylm.cljuhzHm7eIe7cLPAdxEKClTcaY6V7QWgTb6WHVF4G3V1SINhipRokPkabN2ghfeox97qcZzP1D_d.62_wCSwtChCgb7VDCBjnXxEBZU9M_9VDwR15gx0ie2zgywQD5vNkWgCb4vMWw3ZlM_F9fun3bMlY5ofdYRIGstjPxzSzW5WRhvV44F0kj0L97xCJhM49oIQlCtry0eJTZ4hxhiKwoa3YW7HPl2HyLljAJgPSHaOH2TT3tJviKC2zMDzg_9BXi8iXmCdnYg4i0yq5oUCpm99CIeMTmtc8SUzv1qkPr9jgCikMAdUwGFPXF24.I.PFg_eVBq.YbGWCCrL_8cFotAm0HvT_EhZAuNI_hsFaHyoRfdouJZUjpyI.zyuuuHS5JffcciHuRr7Pnktg1qGkJ4ai.T8f6QwSDQjneH4qfL7SRPg7nt7Ht16GVDIx1xo1WlBF7_y0Ip_jAa2Bg7jQWikFo1UZkK_C7GJ5dVJXPADAT2UANN5FmGzB66rWhjAuMyYlwJQHxx0ZJG4yUzUvyMlyBkQzJUupdXDQjQ6QN4PVb_NyAV1fPFCij6HfaPQFgwFNrbHRF2X345reV7xrpBaaxNTgPyw9Ywv9hdSndLbAcqSjfAJmY.2ta4gHcKZ6VS.sug"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f42e2968b7828a';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\/1954362780?__cf_chl_rt_tk=uqocDkZ5tV9SRnHkpAeWJWDXYlHaF9Pbd_FwGNVczNs-1739107472-1.0.1.1-Mr53sw4rYWdojF5ypBWVZpJKrId5Fw0nFvCUpdR9ygM" + 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
