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-348854500259.mit-edu.top",cType: 'managed',cRay: '90f86000092d8840',cH: 'z.XhBaXA.gVDtGrLH1_T_lGhDC0ER2waf76mMIMaztw-1739151457-1.2.1.1-HR66STYV1xvIMVf4dLwjcNP0U7aNz92pwjzeo940oxwZwA7RfnaYUG2a2GFk18FN',cUPMDTk: "\/post\/9067245813?__cf_chl_tk=1mTgRkO22ODmV7bTbgCJ8psxSx3cb4NMeciPoI71E_E-1739151457-1.0.1.1-7ibX1nu8qUb71H6GAaa1NDxI4p_ecV_mluzMAApZHmY",cFPWv: 'g',cITimeS: '1739151457',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9067245813?__cf_chl_f_tk=1mTgRkO22ODmV7bTbgCJ8psxSx3cb4NMeciPoI71E_E-1739151457-1.0.1.1-7ibX1nu8qUb71H6GAaa1NDxI4p_ecV_mluzMAApZHmY",md: "RRJRdXFcWXzNIALprvIQqVdvuHiUgaeZkZ1dudFhQpU-1739151457-1.2.1.1-2_NUX3OuRBvCnGVpGr5lglMBhW3suEeORvYyN7cIvaBRA5UWNDSSm98eeaHICgJXz1yIeGBhWH0MfSZzyboJBH._dUAuUc.nLltJ6gMp0M0R2lLcXzsZSBdO16lPgauzN0tuV09MouzQpvPIvkECoA8G_apBqIGDPeWaeXsKIS_vbbBg_b4dORkp4oA_AhI.tq7LzSOKd5s9FoF1NCSumqY2cUQOmM.sK3J3wCohlh.la404S1ibfJxNyrD4Y5doUmVmGSF.Ch3fRqbWpXYUudG_v6A3WIFLc18VtxPvnsOUkSLuAnOhnumAgnCOGi2YgwNrze2NaxGABrrABUbcxAibYRJS.Ioj_zzb8sVVn95ukx2gKPo3rmvk0z9gk9pL7Ycj9qvo6DmfjIpM08ZbkVrzEMaAiMJbCVokmS4N6R2y_vbsCAcY4h5z.mQQ7IbD2xprAWIe8KhHARUEilJO68Nz_Vz08zqRVP6wZQrL9BXi0KwFnSz5HtMa5AcgEYNgFjFngp4ooJPmJEE1aOW2pcFzSARHJvCba6QrQm7cDmnja0j9lbAmVVUYVBJNvmSbM1Ke9O3fUrEa56okoafJLZDPIY1UYl7ojdHXDAAcl.sjjVdjfJW2rddgpkk0nCV7LtJysyO2kH287R1lMxZ2nU9h8oWlJjUAfL1f79twfXwXTdMWXLT9LWB8fWtc0owPmh1yqyKEbBNnOU9Cj_zYtx0u5AWtYk7iL5A9bgZFC10CLxn5Pt7hZzayUAcPC8mlxgiGZHExiDsnjppPOuDFtwf0hc02xGg2SaUTlShroIE3uBDS1.lXWpOn7A.jga0A.8FPEYbXCZ2a0R8zTmr6uv3pxsfS1qDlCqJf96SoH0vo01IONBZiKqPVL7NJOPdi0nUwxtkm.CB44O2rUnbjtOoF_n6Rgb53vz467eMEKGTBiI4oNs6DMHJrD7T_81qtbQUfk7VFVg7RS4Q0OU6Qbx1UxZJ.YNPjLzWJprSnVKelF9Js_Et1mXs_sq.10VEQDtALZ6iBaWjQPaM3jI5gd9fXPq38PwKiqQndwZu6piWAhbunaCz7IfS55HVQ5g97ZKOkJLAfC_0V.oZlqQ53PiW83.h5iQ6QR7bMZqC3VsMj3w87bp7wh9.0OgSftN.kZ7awvAu2WW5KRx6wR_OhJXul31DwhodGzS0_rsvI49I9BfToNir1MauYMBas0sKYSHpUuZzBHyBhWQMFJTfJP3vzfFSa.tRGylRKUzlkBB_wVrnAXLsRlzW3EZ1opFSjHRtySXL5tBCaOQh0XhfT8BIOTmE1sC1K3cnZ9dbHsgH86D9w7D.9.5xMc._TSYcPVCp3F4JP96MKTyHXPYmzi7wl9gVsN4Iy3S8fOudDcsKFAXhUz43lAiWpBbslzxI3c6v_BGb9mIlugPqWdPLfBMuX2A9RC0HUB5QYICZvqZSBaiCbO5d5IkvQDG8itZKwpfEi5csnRlAGI8b123ned3KV4CS.gIv0RIadjockpjRFdOxXXsPJt.8J3iyApRQ94Q_lReA204hh991C.aj6jTlhp.RxCIx6mit.HOyWA1KGz11K40LRn_XPEKwaSImJh_mYtqAfpTj0JiGJ5H1aNe5XxqeX8Ixmq90JUySJSIXWaotCGMiEYAbLipn_8o6_TGCR_0OZ2AT_QJKl.XyD6a5k3rkI2PzYeGAQmvBvG_L6iGLBgeDOYlxVJw4Cwbn.PZLsJMKkH7kK.tab.07wT2hu4AaO6_XBlDYzXGT1b.lBwhAa9srDRpebfP3lijjd6VAUO.9XEDEpZTKNK0hLpyu5CELOJtVFZgV4gHO7WxfMs6m1JUg31ZoyrZqfITrUYVP4wlfZwcwOJtt1clHnaYy7hlyL8b6qzZYVVBXWh1AEgTVn8Hn.PKi2ey9nmCSoyMIfjPkb9oEkkcJxgsc3Cbp6MGNXb4lYak0EtKIUOfXHiU_jescjsCUgZNKSVSMvLh0qYcLgQMSk30e9LpoeAY9m7nf_FEtNEUFgf4q9qiZZwSPj6IyNiE5_xpKdjqIPz9u5ST8R.ohqoq0EROP.u9XkRacfWpfcBi8pXLBWkCnz_gKSulnbirF.K_r_ecCTyL5qeiD1Q9_5v933Pn9i0WmNxYlpE17DvYgJ.gAzsnq5Qpp9dkR7UonYvpkCfekGQZcFcBPljeSKTWjeMIQu4UHHt6xEZ70ScPG7PReUMi1AVCbeG09whNoco6GPQ_0y",mdrd: "8GIVixCnzgOBgQ8tzJfAaev9XiJXBPwniUL9TvBgrHY-1739151457-1.2.1.1-VkLkeQDMnWGvldlDdyEzPiTl81FzmdJ2a.libBQigaYTI_ll6_FvBRncp0fSXVbbW1VDigGrt1d_bXLHsxKEjll4V3p6BlvY6hoJQMIgYMfCW_2qHRkJXUvnVXGsoefWSIsNi9HyJklzHmIqq99wFFivwdAa0S.2BF9Hwak4tSvZ7xa7bS265YyJlebY2.vVqhhOEnmb8HSizY6v333bYsmnaYBeNiWufi46.UZdxyJujTbN620gXgMKrTwWamFk1rvE8uMiyYFXCdQDoKIot2Jb1MxE0iDqLBDtRJZ97tp07GHZvGTeOk5WFDVESEho3MtaawWCWApDqkRS_FDvk4DUjLHJ9NxgtJ1Qh70RmVGpD8UKJblip9Ovrrwla0nyOwiWJ6VhwZ0YVfSCgcKpHPXk7MF8fH0PgT2Vk0jwLjyS86q_dfSTKBKEOtUJIseN2usbSyVSo3bMnJSSkZmIv.BD9vHDsy71fK1RP3jSfuWxIpzY0TDRu_4A1Mzt2K6Hs23b6joFVryug4Dn3TmooVvQxsWWeWcZNWpd8Nj4yQSYTyzqyqfmM88zdFm279u4mTr6_aMfmWp74YygXlRBLYjyBNmChBKK_XlkImuQB7YtvKa_kmFHCOD6HdlxROtg.hwCQ1rtAwTBaSqXbgVbQFwR2Rtx.CCqQCRYzcnhivmE3PArrtoEBUHg2oyXD5bUqGU71RlxBt8UpLPxyZo9xDtK6C2RBFb1RHK.OYmQGf_A6J3avUoHMlwd2ckaHhLZaZhkRhjcHpcgaRdgSfP59csLbeIXqtXooYmgcK4e_ZsYGd977yK2fLgwQXbee8es4qBzCW3Uj7Z16ox_lRVUZURBe02xBR4jor_hEWm0rWbq6fb2o0vIIBg1vKevHvIHLXlV_OhPvRc3F7R6xMhHQtQCHZLeCwvZhl4iIJgOZmMXBYRGBXz_7c15NhNsb09UHTL_t5CliHYjCFTFnf_GI8ooEA1QlXITKKbsWspPwbk0OT4GD.JatW2Fh5C0nmexON6H7IaRIFwQkIyt.47yeH6BmFuaC8Oh.eHsUGY6NdzpDyFgcN6BpKdz7M8EpPhjmKupdo9JQNhX_Sdb9jaPVROyXjha.8xxlNL1NNcQ2BynmQ2Nf9NfJUuZmg3S7m_T2DE4mqcVcO7uMFVYe3EHFl8xgOv8rQcsfetsJfRUjZLJYNM_ey5.jNrIXWJw0F_0kZ2sX9uPuqHbNBe9AIz2eulaAZiNu2vbqRqTcQHgOrnk.jbiL86t0V02FsDDuKh7toGaJvLHCX0bw_KluiF8iwI407OY9gRD4_PPsf1A0YnT7smLEvR9vOF_oyGeRCv.lSTSLH0A4uKTlxJgANWMFAEMZP5bqvGerx2vUGxsKCXAQKtsSI9G6k3jDoL1zFTcqTzYxCIBJ72R5cdrSJg.qqSoRlaDjoWNWoq.YaSgv4T8toBF9NRImrZwfjDHKYCiEWbR2j6v2i5l4VD_PfXNaqvnx_t.LgJhgGNXwSFSHTuRMA2651HIG0Xec5408b9jtr.O6afDVLVSo5dQ32UkIPQ9u_J.cmksYieTlVmFVBBQbrhWVE1H8mFf8merthLKfOBZxOQkyKa2hNu5j8PeikpFZ4fEG3L0l_FXxBwSS.eyyoOfUPsrnMZpP9ZTeC9mcJ3PklIjB3A4QP7PnT5x6SlrTIFoDbDDTYeBqW0Qav45EFWUf81Vib1s4J9CrTsYZY06CcM5EyqDFhODXoDT9Wu7MLWiXlDEbSfKxencP.VKizmycesxO6FqDXk9ZA07KVEhhfvXbVZd_FfoXNzIADBP4M5E0id7UWjmISXOJx.ixJ1hsPUxt2kgYYxVmGtr"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f86000092d8840';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\/9067245813?__cf_chl_rt_tk=1mTgRkO22ODmV7bTbgCJ8psxSx3cb4NMeciPoI71E_E-1739151457-1.0.1.1-7ibX1nu8qUb71H6GAaa1NDxI4p_ecV_mluzMAApZHmY" + 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