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-244007601608.mit-edu.top",cType: 'managed',cRay: '90f239c9fa6007c5',cH: 'g1Yy3kpdQ5YCRiZdTiO1ccLJjcsNsge3dsx1B0TVef4-1739086977-1.2.1.1-jtl9sdwkitI500F7K0yhQZJm_KIGCHZqr8LR3CD.4HcpM81zsVL6WxnQdOwtcLFN',cUPMDTk: "\/post\/3506297148?__cf_chl_tk=7wToK90omon3Ui5SoAPAYlzQjM1pXC4RS560OcrrYv8-1739086977-1.0.1.1-Kq_P74aZui7LIId8m1hhQA.ueJ7hiRoi5oNTDIlcYA8",cFPWv: 'g',cITimeS: '1739086977',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3506297148?__cf_chl_f_tk=7wToK90omon3Ui5SoAPAYlzQjM1pXC4RS560OcrrYv8-1739086977-1.0.1.1-Kq_P74aZui7LIId8m1hhQA.ueJ7hiRoi5oNTDIlcYA8",md: "veisW20muWJg5oBu4uwES0V.Dzo9Eyz5S0sFWdtzP5g-1739086977-1.2.1.1-XchhgpgbLoGxQYgfiU_AjQ1WFioPc08tBnpi4dCntozi_XFWlK.haiGcsAOf8X2f82vYeGpUjNZbC4YSyKBtRx8sz58hLFvyaEUm4bIruJ9KZf8D.0cBuyfiM6.h1ujctsKdA6jErU1W3lep9JqG6rgLg4LpQTb.4lpTbQhYbw.2.Mrlw1rePuNUeBUJGdjWZcXwpdnEnuW4HXsVVYvY8syUNdUjD5ar_fssA3Rcp0rxg8n0PZHlRn8NHPEWX4BIabBcy.Ft64Zy_0_lIsD6Yb7hEeaIpG8jkuwjpCFCdJsCD4wYOaUz_lzwRqUtW7PvSvOJVp_7_UqpdrNlHU5ENdqgmvLmZFRlLsNoTQrZSGYnI5w2v8DLq_37bWAgCvWV6TFhEeyeGianYPd3axuEiL0dGBEXdUXTcikI9mUMq48e_PWPfiuQ1ShFaJ0jDaE_PtllvUbprgX3dtVkKvlmu_YwYh4PXyVf7i_yPSugyYTN6vigfbqJ_rDjTt2i7APlHeJWiI5dMUWrfs_x1H_WBzuZ5d2ZXGv9j9eZvJRHMHlomBe6gCnyZDQ7b3FVJ__6bA0mgnFjaxGwWR88wMsVfHzloUwX26esWNAYkvNla3aB87EmPisvd.bBjNvI5hi6ZxM27.tf4FnCYnRPWLkCR9YGiWfK_ZV1_l3AkR.CPDop_CSQPQro159w.pjgVIzpzxajxXiYMPrXw58GwES7KgwSqoFaBI9qrS32Y0oAyjrPXJfKr7M3gGOcxDSf6JhFCct3CITcWCsqn9Oz8rG0qb.msnowK6TDgwpPzDMVb95pA0eRPqNZll3YDxPefFH9sfUgAw6XlEQNyegw0AKiyuCiMm_PFui2NRIo.P53hKDJtwJ2iX9WZHvWFabKRoDK6Y14S4nBUiR4JCGUGwFb4M7ecJ1QBSFAjzQ1jd1fv63azshskmCG5PrjgqxBJqbLNjtYq4lwW9DZ3XpvtwsXUdITjyWyhVahUDwyt2_6fdF6OmEapVxTPd8KWvTiKCPL8KBKEvwjPc7G3jZdNw8THF8MkP1bdBrny8t9WLiFueRWwrcLOg_Jyy_JXgawT0vIQD0XlEfW8fIO6xl22IpOH.P3ObXpaRKdOPQ2wcHW5a8DWOQ.Z3R4R5cCiyW_OVLI6Kkj.B8Af3XVdRbrVkUrcWRP9YDXC0i0CJyJVZVs4on6b2wgmLaEyOtASL0rulWr_E37mT8abzri5xagFOjqBEbedPzUP7XHlgUcs4yPnjsrRR6dXaIG0I94sLpC1kz4B8gXW_QMSMuJ8b_0N4K8i94apqUz7jQvMgxjx80jo_Ri8iTpT5TXkQWmjY90m7CiTaFR_9_.jfChJ_Vwz1d2WkDjjLrbI8K3XX.McmgfwdPwbIfHNCph6Z8VyRNHZmxjRkQjylna1lKQKNvf73xYUWrBeouhd7Ne1aXcW00bAAkNFPhGoMB..HCbCJqAJVG7Z0M.UoFYLPPXRtf9JlJD6XaiyCGg3mwsonnRXisQbw2S6BTf098jSDi0zW95B0QTBqe8j8SxJYaOso_feu9SH_VPSBcQnHERCumcoxfBm0lLlX8dNUWISNtqjOpjGMiKVrBuVMR7qtvjyaEnPE4qXfglnmjpnozQGJybJS0c3X.SpdPgNhCHsHLTxjQvXyXi7vIfpKhWErCOlB2dfiHNgISuNzqYZPiZZO_xSLnkwGuR8p9JMY47GpJhe4Bl3rpyZSVmCT_PJ6VLBQAHOLGaR1jk20v1mLmwnzRrjX.WxSkVPjniHSOzEUhXGgZRBie8cexu.ObosftTtg2g9txzvT3X9SDZ40SwvZryWFxp7Gom91zXaYsUFj5CGn.8CNkjZslwYItpZscIT6Pl4KjJZKfmNDGRAi8cr01ucth6U0gqn6orJgBIFaIHVrT.xuIcdzsGfAcoqhqd7z1vC8gyjROh4cJpHBpGTMBY2z6pGg5DUDVHg1XmrPo5NMXlE50jizPmxWa2cy2yORZReRJvr_d_adYPT8zUQ_BwG6TtLsKrTTrnm0OCK8FStcLiIzfgkTmv7adKuazDVhzYb9mD5y1_IK3dYupVTe2zMwq.wufhRf4B6TyOWyrmpvcAWIWSgzFsC3JqgIP9d7grLfD_GF6mQdcr_kpIkDHbxcK6wSkowSQpxXHZZNJ2pS0C_k0rPBAIJ9xIZi.ajibcQRWECYwsqXQNSk0QfUFZ3AJQ9gEOEyUlHKuTPEDekDIFyukK",mdrd: "KdDV4ovHveVn3gqDcY_ih0ON5mGXgVoJn0jD2Isw2BQ-1739086977-1.2.1.1-xyH1cRPKVfw1XpwRaQYNvLGawGviIH7stEaLjRDLsBBGQPQrxZ_Qb7bY1t.m3Ylu37mqzLFN16dDhdHXQHW6nJoiVACjPM6o9OcTPz1xQP08myzbp1JSoSQulXFucZ1R6AhzSDCT_JghNR3MWQLH.uCQuhkiWvFv7aQwNcuEvpuuVVgq.DYWilaZT.3RRNLs.LfrSwXD3QK5kOtebFScLBBKwdPVKSIgs5J1iqi2Gwn09qU54KKtniS1UR7RCZvhukbQgZfSdwDyk6GM_m.OZpWRmk4Bk1G2UNgrZqAj5U5JNLO5mKoXIY4RJFkB5ScZ3CkDCDKNVSdw_c1CcEqdVkqPGTgVp6S7Fios13Yr6A51y5gOzgxzqcWjv0bXCSNYeqfxx1J8ant5m8a6gIl26p4Mi6kFpHAPT5xq14hDM1VqxucVq3vCjw4YMf2CVdnJ3uvqmWSSdYMrFJhvjEcGCf5lQHfA3.FDyDkvZuABndQClmHpSQc_uHi0PyEbYU2H8nznkhgTghCVhIncI4gIjBeFQuYqjRzDPuDCIZx2H3vNXOdOVPagm9QgIUOplS21CjWKAVl611eSGYvesoIgRa7ncH2dF7P.EsUAtapRq2AA2BAdaBXI4142I5iRtSrSVK59XXREBinF_aehCHZH9AKLwcgPbixdgyLvAx.zc5BL7Ws8WpFKS4jfO0BDG1fhJdUz0sLXdcrYkI5LeaKqn8Mv3Tc8zH9EcOBZGd0FQRDIS2QdBC891TGGJKQ2GtZc_uX3.TFOYFKPXHkZtoWMoZqgqWlZzgBtgxybj7jW1A9SKb4pFkdY_qiN6u2RoN.XOMkghkmUfqfDLaEFhKOSgNKAlK9xi0Ef8.SPo2zubiJ.TtJOvSeBzhOPO6O7GpJ_TRwfUwzyCGlDXLr8By3Hbh.k4TgXaugiaTEXYzPReZGIZaB8hkNU7PcQD3KliEEnVvXF0_EERGKXInCmMwEDgtYyPHkir1e6a7xVIvbKgQVivty98Rli9FmSRfTzZUyUTSKOs7vgkZA17Qt8Ia78RpSnZ7PqmZtwSgVW4FyoppdiAHoHXQjsyfNWFCM2oZB6DHm2j83kv.MlW_tnHWQ6F8xvo_5V919YJwV3WBeNlnFA_Bt1145Uxi9GJ3ZmX5Px5FB5QRZpSQypnq_2pU0wU_xvk4T4xn6d4K0z_QW.LvO097RLaxidg_VOUOOaQgkJ_JzjGozbpgHre7IU5t79dOKWhc_.GjFm_eR6M14PyLtu3BQUS0GCKG5NJEf9cWosmEukqq_SuDhcJBtNhXPkRabpmXS0hqMYcxNjfMxCKyAQdwZ4hQ4p8uheuOUDwQwAbLiP1mRvI9eE3tRSKxsxFD6StGVWrw261aETabQc9Jmj_NfmHsqdGPzmQl_DhaSR7XvVooBYolQekgegk4Wbu3.huPKxLaS41TIIb7VkTpSdwz9fGb87Pq1bEJ4Fr4cZS0pEPSLKc_kPKiB3gt3V47pG0f2ORjYytr5pxsPd1kHvqirGKVqTGcJqB15l7NNBNhIp.QIDezZd4.jcSnBjViiu02JRyr0fNHgNTk6Yc9YW4KfUnmuHsRfDNTQZa_fNickGKJnSTH1E.8gKQLpBmxW.C4pmjmWSViavTjcTC8ZBzXOh0N_FwIxRAxzdHXFxVtjY2R94P_Nllm.gGiZCROxNmNa3rITD_3nWA_g0oIBJgkAX5CZtUDSJAsG9bRvsEhbv3ZIX5g9OovKDv0ehHPbyqUxR1JBu1PGaCOGuGFxrjMhTw28e2bCtoGbyArmgZ0.ZemYEQPhx39LUQJvbXg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f239c9fa6007c5';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\/3506297148?__cf_chl_rt_tk=7wToK90omon3Ui5SoAPAYlzQjM1pXC4RS560OcrrYv8-1739086977-1.0.1.1-Kq_P74aZui7LIId8m1hhQA.ueJ7hiRoi5oNTDIlcYA8" + 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