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-565599898463.mit-edu.top",cType: 'managed',cRay: '910fd03bed46390e',cH: 'phbourd0n4uT5OX57y1eG89yPYYGqhL0TdzOfXCeRhU-1739397226-1.2.1.1-7BZFIqfBGD0FfrOJTxFEwSieIKmIQYdRbwhcr0hc.ojCi5mkHkKqYBsezy5BQFZH',cUPMDTk: "\/post\/0348957216?__cf_chl_tk=5QasA3_YVQdLqcCs5RuPEwsHXZzDtUrYPWKHdKqGnd0-1739397226-1.0.1.1-kmDTWnFC.hvVbo8s8cuXjc9S_rZGX8MCr2BscZJD_cY",cFPWv: 'b',cITimeS: '1739397226',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0348957216?__cf_chl_f_tk=5QasA3_YVQdLqcCs5RuPEwsHXZzDtUrYPWKHdKqGnd0-1739397226-1.0.1.1-kmDTWnFC.hvVbo8s8cuXjc9S_rZGX8MCr2BscZJD_cY",md: "vADXZ3rV3mDA_rf3WCTXcw2vNMpyyM2IIFvlcjEk7B0-1739397226-1.2.1.1-CF3qdm4jKslo6OoRhofO9GQpZpWXubkn4oSIJtIUnO5HozSr7xnrvjYrrHqdP426skKqFnrDxhlhlLrvEks_aJL1dOLElhPYvEWtXjfMb6HNn2IEUiGPrOCFI.rhB.TDhSswohKwacrX.kd8wDQFTu65pqz77HgvFWUudyOl1YCmg0pZwE6XSrw1bH6D1r0MEZbN7xB.bdf26viFgzCurzduy1T3Hp9mFSDXhD1ph2.Vq6SPAEndFydl1tl6mYD5BbXlKwTeNPQEv7UouZ4hVu2bq10PuMmY0qkDbwlM0WCAyeyUIRkN0x9B32Sio.xd7A5BjvJwstrpKC5dQhRPmu6nencVt.jXQypIROZwPERjNkHQH4vOlYcizi2xuENQ4NtGwNAYgh1SZHPQmQldRuV6uAj9DXsDzJy7LG1AxWAbTnkxw3xmSh6.NCw0IOScLvlAQF9GZ3r0t_sfgAZhEmFa3lOxeZutkN5bAnEAaCnZ6FWYFhaiW9Hwnw7r74mPtYcsGBE7IDDGyaN2rVkC.pAT82pgCjQYiUJxmqG21HZbKg_6Jrd6XuX7IoZl6S6iA1sNdJnX.YCD0knIdQFgnvkFHzsNG3kilb1rzI3f4Mh001bhiw.saFTDdL4bO4xVZzTLPnfpOlENkeWeAG.5OX7vUEGbHNWP9GKUQ1KaKp7Mjy1RyAQL_.7gNcVerln25ut_TItRr2eA2NLZZ8YjrwhJ5S7Le3WR.rVB8Vz7kdsSBo.QRHaoCBjK1fXxBQ6A_aWEcuVVbIH07Qsv5VIPBVm6GTD_HSAI5SEQ8c3m6JuzaYtMD91nej_eEDIOGPWyc93Mzm.A3hi3lRoq8SEKvohY.6XjkwsJfeai1JtFUK0_1Wg1.FtMQKGg0MCqZNaGHtYC52P7zflso1n_z6L1VOM85l6yaX2lhHu.QSkj8LqRPzREvm30E65zgrNzcqK3IOaw3aqxmWh3m0qvIrPc2VNwwYjisJg_bKKbFc8IMMJ_lxLtaYViW3iyAuIBx5pW05kpv5dbJqxL5g1X71atp3NGBME6m_ePU1_qQ.s1Y8rgQPjTTYj1pW2CVyNfj6Oy9GCeXbGoUG_QKUIc7usVn4wmMnRl466lv_UAv.BNHOGnmMYnh3w5pSXqowW44NDJzjfVH6NQdsoXaKuxctJAQae7W8nD4uy7V9Xoub_rxQbLme3xrDdwp5EORzZr4VdJXdRqVxMKKzxEH9peT9XTGxupcJ.8MTntdD3C2LqWvLInzxvStWdaPyN9nfLBPz.P8YRriJEB29p9do7Zq9UYGsHmDZJ7.b85_l4Dj1esaRL94478EphQOVDJ90Fi6f8Qrwf5Zwdz5WBhSjqrX86nvRxs4ZFFhCqs15oliwbAxFUvO1Qli5FM1Cbu2BZIH83L6FuZkzt4GnnUPpMlK0envyLafLcspo8P.r540o70g.kh1AfpF2OltV03gKLGjTloI9kC4KzgJbh6qGbsFvodDCdSETATyIrpy8ON_VnnD8sljmFiZiZwVpKqypfuhXcX2WxEUWt4BE21TVlF9F5Gh6uK0zBpPv78gfi5LtiHhzOOqJCuEdwGAvdnwZID_x5YC6eXdj7gtPipc4ZyTyE3hj6CQTRBY.LbxKl8oQvEEzAPEEPYpRwzAhonagYWHelvM7nJi7WU_OVcCNHrY8ACUYJNvqqtztaywBrT9FjO0qYRcPUmRCHWZLkqmIjgJQNfricFi4j9.hLq0qe0UK0_AC29tygS1Fl2sZmvoce7.x91h95ogdsn_5MGbTd89pRTSoccS21u1LBFjc0cxb4Y2mUVUgCRXaLL64i5z2M3kqSAK4MTq00fwDggKwObOp52NB7r0_kBDeGv90XUTvg_.h7rWbu8cIgbYCrTeO3q0N6JJkX68cgWJJg7IdPLSpvM5Omp5op5fmJlMrT2jln5t8Rpywmcc9Y0JC4res2C6HHQjXBDz2QyWpMuOGL.42YW9Y4mJB8sRe976LqnA2E8IHbHuKgtLUHuQV.f0b9b3tdhW3eVMLqXirHIVmQjayVXS1DkboxiWRlGG6mDCTchVNM9HCvveSfIL8bk_FnoaKBA32oUVo.fq3LVqNUxCvUelbbREIzSv9DKIZF2ANZZ5.wniAkJUZTJcKZz2NtqJwGtc6ZrKq1VGXQm.sPY.DUp7Ra9qIKpzCzvSjkZ.6o7Heu2faUpN3XXRP6..iI0H2L1KIPs14w3MXoR3BnDRbzy",mdrd: "xS2oxvAZ6Zzi9EKbfjeJJurR4s8KZNtrHbunKGETLeg-1739397226-1.2.1.1-5jPIBlatOEl54rLb01J3hiHE30oW7NSAF9LgGS1Og8uqfVzoX9tOyO6ruCTaJf31RjsNYU050vW8TRP9KJYqnZ5oazZCg8pFlgaNYbIfkXkvrr0tsZ_VRmfhblkWPeUwo3KpJNxgn4_zC6s7F5OIhF5xkilxWkgJtMQXAE.RGkt0l7Pvn4dkTHQPZaT2vkhbdClWLktk2zIoalLNCjKEHNNdZFhxsyClw0dhUiEnW7o33_FR3j.ahp4ovWbworjmuJvl7cDCcRI6JuyjRh955_tfyT5078cn19q6Ik4KtCcoLrEzbszyvNiWzosVRAy.8Au73m_gZc6CNrEV.uNBvK4ZLIwv3CYl9__FYiBndO2JRspNKgGTvXV7JM2bCCnrW_FRK7h4TNgLkHHh9g3aoKeX6nYCLZ20rIl2LsMOrqEi1AR1i53HnyYEhypezYhG.Id3F2doTeS4HP5u6HEjvwcDcEbcEdQxWjZvqcjlhWQ1ZfKEl8ksa6iPNA7mjoiFo_ruDe8fUFL2xzbeKRaEQbd0HfKHWYzitl3Fec5ANzyiQ5QcJtgzAqSGjHdaNQFFNrmbvUJsQRuW3IxUuOLb681DuPSrYIs5yakAQNfP0dKcc28fe7KzX6NvMT.nEJIsTVE4EkAJvYjW.yHeirlGw5D2SmsivoM0Z5gub6811Msjgv4FvBg37QrmzATF.4qwItuJVLcV.TVldqZicXalA_2y151kTqGkV14bsKQ431lxHfbe2ZRGenJX39PZNkPtD01EBwt0DyUrk9lt2fxNH9UsrR041II8qLTR7zp3gd_MnnSDAsGvW2HlFo.c6wTEFLqMHUo7ISEjiiGvV1XeiuUFgQndSRhu5U9umKCnMw2mkx79gb.Cpa_TVeaDW_Y2hwaRtVjFTAgbSQtggCelNjPvJr5ub7aiPtSpxLzB5YVCBcFytKVa.IEw8oG4B8U98uVu6_Kuj4HlN9onuKU5m.OqZuPGddtb_19pdRykPktOVE0mFhuiNBvyA4MAzcdIBA2bOc5VPGUCx9yyuCwkLA3T0Fdfq9IDfONOV1lX1eH7f_RcrelKMwWvVixgOwv9BFrZYjji82ssSdZdZC.m3XPJ6RRoWUPmUNsM8hvOMwKNKndbNydCdEmGQGv85CcfKlNVbOdDxZIWey8mqbWSkSogiKkGNwE6UxdNuNVJOILK4s3eECR5AhQGmnzsKj800bb6d7Z6n7.7EMIKuoY6I3aJDYh0Z3vsBp_sYFy0Sq90M3kVzZzM1fzHoIXKxssm.J5yy8Jw7xi7.57GxDB0Z0X_zTFckYy_Ce1lLIWFryb8Oy.shjhfpcTpjN1Y1wKv5IK5ZkhUQtUAFmY7kkIUf4.7wwt1ej26hUsEV0UujqVCXURd_sdUSajwGF.k1Cte0e__8EhyXD7vy9Xlecx5cPEZLzbUMaDiPt6MZ8PP28BR.u9TwK32caWik.i_wWz9lTt5ZiVJc99.JvOe_7YXULl19Z4mIwymnzFgc5V82V53EcqyuVZuBPjUcu1c_eh9_pAPBeFgOs9aI1GZZ2OTRwj5xiz1F.zcYXg2e4iq6x4fDC8KNn57wckcnKSTfF9cysgi1fJwYLTQbmb7qjaSprupvwn_l6vAfsflm_nI2CpX6rfbyI2bSc_ib5nMOCuuOzOMpV3Zh2tgRnxTZVv2cbtLOaDZMv2GcOZML9R6N.xIeSz6IOYQ_eAj7hz06CVs1e2A_t4ofD5M7zpP_oguGaxmlLiifPXu.SxJ210BU1CKIuzKBCJnD5PwU3wwRyrxyzUGD8lwDUi.9PoZRYPvoQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910fd03bed46390e';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\/0348957216?__cf_chl_rt_tk=5QasA3_YVQdLqcCs5RuPEwsHXZzDtUrYPWKHdKqGnd0-1739397226-1.0.1.1-kmDTWnFC.hvVbo8s8cuXjc9S_rZGX8MCr2BscZJD_cY" + 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