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-661436716807.mit-edu.top",cType: 'managed',cRay: '90f7c1599d72d6df',cH: 'vAUWs9whc0uA2OGu5V7Qhd8gPzPT0UpAYUXOh4Rh4G4-1739144958-1.2.1.1-KTe0bt9jrw9yhCbwyj9USB5O5HYpt81gM4uiJaCwsujsE.pQ9FSMhlgKcT11TYd1',cUPMDTk: "\/post\/0192653847?__cf_chl_tk=baTkTNSKsRK94NXCDLZklmNb8sTZeXoKK5O1grCQbr0-1739144958-1.0.1.1-gthcS1vlS_mM49hlBwsRj_9RYWkwRZc5vbGep1wQ1sM",cFPWv: 'g',cITimeS: '1739144958',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0192653847?__cf_chl_f_tk=baTkTNSKsRK94NXCDLZklmNb8sTZeXoKK5O1grCQbr0-1739144958-1.0.1.1-gthcS1vlS_mM49hlBwsRj_9RYWkwRZc5vbGep1wQ1sM",md: "14QghF8lVhVcCYgPSmrb5ImWUDQ5jspcEL51TsyLMKM-1739144958-1.2.1.1-86wfip.y_lKC5DlifCxlcgTgRHJ5m4KFff2Rp9.zrHLSOh0LNUmijwsodcyK_2DC1J9NDzFuf0m6xVZvZNYqIb0YEg9K_KEuFZrCRbBfcH_Bo_sQf6TFW5.k2Qdtrdr2EfRPbuSygEue9.o6ZP0cQrKueA8ADIX5ytDGtWYZqs3zh6SQntjYXq8IzRWkAMUHdSX6Yede1BxRE4xquJ.tb9jXmgDqh9yk6mT3.HgxHvDfgLBKA7zk_yueoVS0hsb_BR6b5DjiHHlg4rs5bNu9ZMC3pWronbwbp4kSQfeXTmaTZGznzjZ.fI3gaOdMMWUDJLU_9avMgx3DA05FL7n4_VvjYvlxPhzv300O69UlcFKRpcuhNV8KlWgBUMt0zty5yIwct7W5ZhbnUM8tCmXq3.SXDwLArBspAUMDhY_C8pQyC57qIhLbDhDo5XaBxzPU.tX0QzrClQJkqedVAVsd2eS64ztekWcPIbmHNeFjQ8A0wW_AhdKRJaBJaXDEERRKEhuKepsQoKgSkj.vtkEjOrRI2ud2r7hr2VUJGA_unTtExZYt3TumNGISvMgvWsIfKvDcX64f.D8MpGXHfBxNko1ds54RCpbk_k5qkvoG0zDZa44qGnZCRtywCDZQVE9IiKfY28qplOekZJa7eHutjfXoadIGc9_Ym2VobzUiYErTSeH84sxT2tfjECAIGAYR2cGZ5Hp2pstsYz6lQ1ZzNFwwGQI1M7c8Ij4kbZnF8E6H.Xzklw2mJpKircJoLvmam5hLZblTK9ynmpN68uCRYr67i4qfRW4jKBDhEjDlwQKg2VPFXfEP8f1h9D4Z1UYAGHix9DlVovipVrenkNlrRPxrBXHSQ8n.zdAUEEdV3emJOE__s247rWO_HIoAOw_nJMoajlu3jJo2qXruMikflUyQwD84_cOKEkFQtB4OZlyrzEnzbe1ezPSP_PiYUde6.qeUpiIV2f0HBpJTE3FHeu8qSGQy2FCJioLqiIjgRBztSGyta4jJSBv4IQCSgL8.VUeQFUQXl.gUIWvAqNGtYDYmj.In0iQfhA3OUMjYUlKM.jS55ZCiBWPqzpHMCisjOd9eQu9YnPxUl4946kCYhhkqhklVOkB0nuZzbOpdu5tBbXiIPwZKYmtCR4v0okTiTrSxLDag2ghnBRB43l_ppO54bpKSSdqzX6Fp.9Ha1SyuyjP7sPAa.pkdLOwD2IEHReSNP7WidyozEZsS7RGMMFqEfP8HKDT9DpBPAWG.A4jPJciUCUjuujHKH40qK3iXxeQgkm6Cn8j_Ys66ivIx2mnGW1MI0KYFptkCUp46cSRz0Jp3KwDY28GPN7dLAWdwd8JYSMZRhVAKOgN15NQYaHLpdxN.OrmjBA6eWOqSQrTJxnT0bS0SOzb5KHbsS7__dzLxuPANAWz3_EARpFrbFGOLGbLhud7Y5wN9oFnCUBTlgrSG4mKjiO6D0hjngx4oE5chSe6ZgPjpQBZFcTNb7dwtPWtjw_IqF77k.4pajV5hlkuj4XzHTBGfkdq.JfogJNOHKHkXGnTcp1u_bVm6oaDUp3bpR4eYpOgMuGLk1yT7DCp31wi0oiMu4mDWoK_4nepnQgJucFmM070LW0rjwIC_6hVBCsGe.QgjODrppm0eSQFlfAT3GkwjkKhQLRtoZsSCBCvsnTHDFAv_MlwXjDd6xvgQlX_cHnOSTkdkLbd9FC_1XhGO0LJD9_JRG89c9eD4N1H3oY3eAT5dga02ChHhQldDYI8M150_txFHXdyHpI1KnxFrjqan4mTJkn2jT9kCNXzdgpRKQMJ8NHgLvSue0Z3.BxAvcbnIAgXzjTpxeJ9s.6zehl1DsrHNFCdWK.qMwLMzZ1Jts3efiE0CLIuLqAA3dxQQlV525vrS4T9nECvRXlHVREe9zUFtzPXOZeqN41qChRJ1xt7zPpa0ceFK7c_T9Xj9ihTReKSXAA8WDcijGadh25PWhTPrOsUVBBAmZ0RhYu03tyYhmADQuark90uwz32gn1oSkkVUn1kO8y1NWiJs8L3CupAjX3HDDH7MLx7VvE_XQHWzAGN1zJf1dWvJg8PSNsxl3tQ9okS7HqOvXpxgUWYmbbTcpLmO8lLzOokat.rZSbM09SkNBpI3pySHZDp3S32UeUnTbB540imBd3F3_3lDPQSCP0_nSBpGCFEmLSw5h0rhUCmjAiojfmru12kNMZ3bpZ5s6MBtVO6EDRqDxlM4mQRD5T6z",mdrd: "1FsMV_snfalwvFWEDfpjrK0Dxoc24pyfIg4ub45imjQ-1739144958-1.2.1.1-iacNCu2QI5yIzAqzJGzKWwuznzLFuvpu5MZbiUScbQZiC.pJeRnZiL_NjzTgnSOH_BzPy4RkTKE4C9wyfqnKZ692_VuG6dLWYOsFbFVWHqzh2uvXtIzFKQYB9vDBp8.i902NxKxmlH7eSpgWiWKHFrtMWGZCRtVvK6i2avV_6QcexWBjCEjTH7m.CyYLNLOH59kDK1Cw0.ZaAdv7aO6.72UKIQo3HmaQYyl_E_SSqwEcm65sH2MeeryUifMu7ooWffiRSbEN8X8jYtXnrkOQRFf.mgwgpZyNYU1noN9PREQ2f6JxRAnX76tMLMKXZgE_jvqa_FuvHeEKxeKb5xAOj73mtpfNbSwJ.0FseP75yhZ7.mx_x9rgSWNYA66g_0DfCm5TM9eOozXtwAGwOqg1afqLj.Ub3M5tjrDbNlEWC7yYe83lxy7TFkYTZ4cxQCnAxVrfr1vuoCHpXEJCS5DK_a.7bH6mpCOQb.I86UzLWd4ae4sd6K9OZ1sJwCRp1YKP1SNIMaD2i8sLn_7a7Hjvp5CVKYLxbM51Z4KPEIj3DOKR50cu.OkcNBjxLa3Bwzh_hYpsLER3yTs9mRERprFww4v6dc0dsorGE3tXwkfzYkAqJtKbeXB_1xTgn28v12FRO1MrWG1qtZtPmLSFBEnMN8KF7GQrVEVmlrFexPxNShlW_hR88nA6YibPJ3hS63nK1T.Eck_dzaBUCvbfGHeRKmrky_gs603uytcARUlNzwEsPyi2dM9rzgLfktzR33DIsVNIlHO7RngE1GwwaZG.aW4EOI0cz21sfzUbDKnTHtdqqMUpLUsjx246V0lJn9JyxA1az69XPoNl67.KpSeD2c.lHHUZU1o8hFkwrpBI.xgIbILz4.vJXtClIG0n0wO2lie1tTfhrVJZUi5b_aBItuy4WSYSHkm9V2_Ia3wTSs709cADo8YK72f6IBebjvi4TDm9JJD7tt3yZgU56JqY5bJFZCkgKmiOQBxoyC01d52dMsEJGfol1Es0mZgsmI3evs8ZgSxtlT9T744n9YZgubiatB4vVyzOIC.1cawHc.eAgK5QDd7qIQNZms87mdFIbc9UKJjfpBsP.JsDbdMawrgMlZ.dKAcSRxT8CaaKNLLnikpiDS7Y3Su1nlsW5BHCk03IVoPT5wzDTiZ0NzK9Bye6T98ZxikgtYs7BAOIElxfB8lMBM5236VCgBe_iIZepm9wyke0svB3JQ6jWrYtwOA0XHVpRFdDV6QG97glbfByZu5NunxT1jPNrL8xYBag3iVrj0zfmq2V5dJilmdXGxiuPVVXbcbyKv7gpOoTkcK6o29QRPABghMF7JL6MC1xvg3HLdGGbJ2p9dZou4JrsPYuWDB6S9jpLoXXEe4lorcLpq7owUpqwuOQ2K4sUqo7Pxrx6f0aplv8.ZyiQtVjNiOnb0sqMIyOlIH36Ui4Rmm0OEy4qsXrua.6eSguHn4H0Ey80DjNd2zIkFOWOXlRAJMa8ibGsYXIitLTdzPj0.ZdZZkJqe00kzuq1.48oIQ.aBPQ5Q.11c0VCHC0kRWhuteFKKjCazu.3.1gQMExsQe0myMwlupkZk1FK9hOtK65LeRL9usDUuFseltECL6L6FTsaNjDA3Rpmxho3qAmgX0JOsxhjrLZC1kHgFNtxZwXUVZqsyyvfKDww0C0tcGZVvooWft.UM4ZuuRCXzMnewEZ5OuHz4XepHjuGzYLLrmAVrKO4WvIo3dPZUxR5hF.PRFARlYdtgfU4i20uaLrRh4_4kjWh9guA18AJrlWDTfvzMQZdRFn67xoKMH0byT848kYAYq0ucDlf_xsEePMS6s"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7c1599d72d6df';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\/0192653847?__cf_chl_rt_tk=baTkTNSKsRK94NXCDLZklmNb8sTZeXoKK5O1grCQbr0-1739144958-1.0.1.1-gthcS1vlS_mM49hlBwsRj_9RYWkwRZc5vbGep1wQ1sM" + 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
