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-230037463553.mit-edu.top",cType: 'managed',cRay: '9110d104ad520804',cH: 'JpDdhqopKdSu0Bh3OYtsyyTYIip51FvuMQ4MV6neCVM-1739407744-1.2.1.1-RHHSwMl1wKYIxcBrMx8ufwy5dmx_FO7613sfWliQjK2evnwIhR2odEPnDz20bfiJ',cUPMDTk: "\/post\/3504197862?__cf_chl_tk=bcNzsa3LT5iH5cZIuwIZmxLb6CN4nHZdQqi0EnNuxpk-1739407744-1.0.1.1-Re3_s95Z6OVGPr0xPrwuF.6F7HGPNToXSFke9qVV1Ks",cFPWv: 'b',cITimeS: '1739407744',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3504197862?__cf_chl_f_tk=bcNzsa3LT5iH5cZIuwIZmxLb6CN4nHZdQqi0EnNuxpk-1739407744-1.0.1.1-Re3_s95Z6OVGPr0xPrwuF.6F7HGPNToXSFke9qVV1Ks",md: "Ng0.8lmn4FHi687ClzcJAtwN0b.ABxNp8LCrgOypCDw-1739407744-1.2.1.1-MB4ZjBX6j4Xab6JuaF4edZA7ijW4P9KTBDx4P0AQhOegwdiU51ZAKXYKCVSyhKt7nSCs2Aoeh_P3EZ9cG68ng0smicWsofLMk79hWsTN6hXhkkUn_vT2R0uvSG7ZGnPzr.aVNW0vHoyc83yBn2mdbuuqk71Wt6N7w5P_Ir3Z9cmE70phylIuKUDU0gvUFE1Z_zUtHYmlG3GJXJhQWeGmvJgGOuLIz8GNKJim6H63j0Ff1o4zwtPYIuEwwBhiTHeIsF.Xqf4WamNDJQ5m.J70hyz.ARNuwFQuwhEJHOkGpR84L9gTWRhqb5CuWlLZ6nh7JJqbMOI7MuWZh5FZ1BRlKpEIYNadv3CR5BYm2OWuBmzSX_t3zAINjywqY95U1QkpznFUTSOKTrKyYohMZbOabhfbLhErI4csVU9hFKtKIjEKhVUc1itIxbU5S.vVaW2Nq1gyOBFrKwZQHm1kZOo9qkWRsMaIVgqwHOCIwjnXZzrA.E2c.B8YCFKTE_pA9D.hlA7g95VX9YzRbx9XMwv5S9sBN8TeO8UvOi9QYbwSrFNHadiWW97Ad01j4OZIT1cZvWr.Pcj.CbFH0taRqmo_9KV5y0lrNFd3O8pIPTdEBvaxexXF_FGdo3Lh_aL7lYgmaT84CIe2twAk7UZXV1hDWXMNryjOLDnLDMAhPJX0dRhoaDfGI.rbTHaPyrZUPInszoYdG6.oFTzw4cctDx6vtUjsz1tYUT.wCRh0NpQ26Yp9sn4uttagivoF1mNByMa5FJyvIrIVrQOZlr6IEfavXJbbEkxQIV69TBlOup0hqdOYHjrgqEel7UWQxtmhXSN_htquHmyGbLS6byYTN4b8KMfayUXgJA4Hb9f5tCkf1yBa0ZQwjeKRuUUiUJBMSH0JYk2uOEp12BG.o_2JkiCKjezK2Y2l8K9cM9gQd4zE7EGi78Nw_9_CwG36fiKDCCXkh6wtVbTGpYs1K7HFy2At0tSHw42tqiOme4YhqOfl3A_OKYoEiBPG7VyMhnC.jYYvTpjFg95e_M_OkqiP.71ofiYlzVEPdn9LB0jVIDrgAKlFvGBsnAmkkVb9NhxmqgigIPvYoJTjFVvJTJkr7jcYS9MKldJZiF5et2tJTJ5smt0s093JRCh8rqN3XvVaC1vmTyXQNqsZWpTSqp3R5lapnFF.mOfD_dbazuVhm_EucZiHtKCRFT2TFb0YOXzVjgswvq7091lqpCyyUeDA0_LcwR7snxP9cSzEE853QTzNZPdZGJLVdZPNvMkWRpL4msvXo6SPi0UJRcK7mFuJes9XO29U1dtiaWA11Yz2f1bjmtYmSk9wMVaJxipyRt2ttBzPy2K3tLM49tON2T6Cr_QIbJBfd6Vdzu06b564DHeEpgTrR3.t0hqfsHhKH8Sb9SzNwdEExzGTVEBivIVhfZh6P1TG5BHLjow6OxuEU0Afefc0Rb.zn.Ga5prv_5rb3Jxa8bnjrQImj0R986kgmVJ_nskxbfrN7HKUZTEQCSEdcQ6wi6XQxM_UIb3Wr53GZgEPzDy2mw_HKUAJCaWioeIz_qfQCbpQYd0xDnsFi0Po5BYmdR2apZJmnEtB6f7FhuH4ZO32aqKRJdmIo4WX3yyavspdc1DiclcHg7N0TTH4y._0bRiytGuxkzIi4oomN46aWRHdjpbf0kko3tuMk43ALsxVwDhj2_7TT4dBP4UuNJ5DRkZtjVsnOIUCYqPyCZtPIQutGacDhieimu3Ui26FAtaruCZt8nATdmD7tCDp5aWlfqBPf4vV06LuJZ2bpmTbJnp7pSLZAJUvA9RaUBFfeDel0SsL0twlmNrQTJiUux3POtEispzisV81iSFxkhdWN9ztlaH7cmiPkVwCnc3p_2kIevERieEk7sZlOa8I2fviLe4_kQj8f1R2NG3WQLSYaRfSBq97TgpE52vAFt.ITkV4uEz147a1wZHCDzDm03pRRSz_FUQ0upcx9W4o._RM6ApMHWDfliHH6d59cgDfE3FAYiE6jb9oI77EwhNKKTRKNe9h3N3EhuuwmVcY6LBd6h5ujVjWVhDj2KHF3iJL7Fmcz9JjFgcsYcryUcJsO.7T8v9qY.3DZIsElKQwN8SZ_vH45dJLann48CGdcQt49E0vUzFY_0AIoJwn6_Gr9RQ2Kw.fU8GWrMRY3X050OgAObTshvhEe7xNNTYoePGtsEQEm_okiEKKkLMmfb.C1hYeSXhWBktrSPSW0GiES..Y",mdrd: "k_1e9VW9DAwnPEUfPNWNhrq.6p7Og6Y2z17tjBESn3g-1739407744-1.2.1.1-YwJJzPBgLcwtCu3OPS34v_abgGkag2dDPFk_dQYpP7pfBRoAGHaQfWdIFITpoAYKS8Rkgp.fOnN2wsie0p9RI2u61l1DTIsR1K5SCh3zvnHOopk1NbzSTUZmosgabH8pHRgp9ldIuhqydCAccdHNy9aEuYo4n0uh.Bj3Q3ED6zy6SaXw.GMQkAMTtXt18gJKSenTRhYWQ809RGDWlJww5vJZc6kYnip0uvLT846QtNtK5awQuMBtUlVzlLBokUUII5CSaiZ339P.yIUpDSpsiz44z_jaujIk5IzNrPoDD2VxjwP7jmMSB__CgIQJJmBpfhgISQfNUjNFZmvjurhVgtBGgom4yCczBWdOUCBPiDc5KTs8I4MbNA5cDNZEPsA50WxE0XQKfWVfRxpVvuNIo9aHVtU5eCIpzD7IDXvUGhQiwDsQi8gtKilCFVLPkC0Q0.I6NzTcMUG.02K93hKQeBLDi7Ptdlbr.n6eUyV1d1uQBWQtH1lPu0r6gMEQFzSEyhvySEO__RO2prEkbo.vwUyfwyJE9snY4HQ5H5n8yYTSQ.qFkjHWI3VPpSE_TvNVHj8KA0Mjn7ccmPiGrp99TPZ.WLgx55r82jPH0OxPVvkNLsZRaWimitoLICocTm7wikCNlnQoQoB85AUHA3.tqnX5ygiXjntSCPrJdGZwH0tSTmN32bPI9Fuvvo84IC6axoTp9fPHiXGn1CXSL4F8B36poLe1ZF4Ugk5jsA0QlMz4isj8gIEsipb3iRTxbP6jOPsicMvOQICUXsyXLa9ojCzlOMfa4wL8fWG21gOfN8VPO3Haz6O.ajARZGVvU4tVu7jcvupzI8eP0gv5a3eJX7vIH3SC49ykycB2Puwc_ZhT9JMvCrV9tUhj2N4RqIXu0l.yX1UcMGUi656zc8o1VxgBUWTThz.L8VJSugiPdEw80gZLNP1mE6Yw5poPhUWf5NzEDda2GXtR1J3zRKCI7Dn7LAlRdUhIggxD2ByxviPXRlqUIAdzxibUCfwyXTbnkDkgtofTOPCPEVNBjzCXColi1bVN7V1ql5kyvt7vURmYizPDMPm8Nh6fYbowv325gFRhQdK0eb5Qo0r7gD.7L1YiFnRna7MTbYkjeNWF1oKKd4.1og1jyGZsYDLwg4g_K0KQq7OKsyz0P_1k0S.PVfr1lfKrEfMnL3S1JlothXx8n8ZPfB7LV5wnzfqTTSjwBo95_o0ImLFqDmZfAjqNkTDetYVCfavGLNUSwGXsJrtq.EXMTI7l2SCTsnG0nMDgx8M54.0Bu9gQ3QbiV0DifwfQ6Gjc2yw4Y.3MnBGch1UXdrclEBxvfT82w1k_2bRfhtw8ufOmqn3RhPWquIJcb73yK0N_xP8yrjtBb.Dz4KqJf1muSqLE0r.jXrxdNusWEXxemOtWy2melhZE3SC_dQySg2xJoBzVN0g0nsdcArHIef9mrNRyNXiqwTkOvTnzLvXXohGKO1uIhoSSpBSAJjIQ1xUtun9vzblYNfOSWxt7MLudQWrfNZ2lB5qyjn.PQLLdC_rxgPSZWT7EAM6QdZ_F8yEEQMLAdG4OpCe2uEDAGf.Ds.ZNfK0kmIbfPP19hD8BNzhV937YniSJleGwRYybAeXReqGKfmQlyRKvKjTOLx8f5OUncZKQQSLTXL2kNmNvOXx91.OtDb._ICFJ3lqjYG6UcSANUipka7ZJai7s1KxUDxqCntKeIwsodL60TmqZt7N8utu09FPhbgj_fdNnlt7MNowHEE5f_TwMZtxGid_CD3XR8Q7SdPDTdnrE2.Dh.W6wfBFmXYsNQsuevvLAJZ9AhiqrJ2KemA1FNnE"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110d104ad520804';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\/3504197862?__cf_chl_rt_tk=bcNzsa3LT5iH5cZIuwIZmxLb6CN4nHZdQqi0EnNuxpk-1739407744-1.0.1.1-Re3_s95Z6OVGPr0xPrwuF.6F7HGPNToXSFke9qVV1Ks" + 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