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-099962439916.mit-edu.top",cType: 'managed',cRay: '90f3aaafe974c57c',cH: 'O2HMplrzh.ooiWVeIqddYxGRTQftbya0yOUZjHxCiNs-1739102087-1.2.1.1-cqi2HcqywYzVErwEmf35sBqHHHcNutK54fxjpy0P.cLOo_UIoQ5jxR4iLr4_Ygoi',cUPMDTk: "\/post\/2587436109?__cf_chl_tk=n_nQ3u0MTycHkocBIFw3kx5CjvSTmN9Uv0_Cb.aijng-1739102087-1.0.1.1-bNQrOVWXOQie4MfIt.E51k1W6k9WqmiR4YSdOdC9WSQ",cFPWv: 'g',cITimeS: '1739102087',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2587436109?__cf_chl_f_tk=n_nQ3u0MTycHkocBIFw3kx5CjvSTmN9Uv0_Cb.aijng-1739102087-1.0.1.1-bNQrOVWXOQie4MfIt.E51k1W6k9WqmiR4YSdOdC9WSQ",md: "Wj_LpK2dKmcTG20TIpcyvPkM2yRuY42yHmE5iT6E8UQ-1739102087-1.2.1.1-G.pEzPgOchvMFL3gzUqqAai3o5GDBwoyfppmPwPPprV7gKeHJYWdvKYFvVdTVLlj7uijE5YVoAcJdUErcbdJrL3tpV.VRgK8Klz1CGcPEeorKGcszT4FLQUX3Ss5iNbRwY7JtC.TN64Pam.85kuQL8yj74p5ojKytWFOBRsKdYtc3uJoV4CSYazgyOp10jUjpCNb62UFqULcs9StFyXaR8y1ntuBLKaupYGrH13wl68iouYfnH.uXB2WVFHko_XsPgj3uTo.b5xN3D2wQ0aQeRn6PsfJldvNv1KxQMx1frfjupNNlQf5EZzp1ZFryec8pKLFlxzKv2SU7jnsYXJeDishWKAFzGjYPhuQ25QP4hwas1WKJo_dlVOrDXY5BF7udC24LrJjBm6ujcDV4Vzr5uUmTdfiFQFFBESm33O5h3jd9a32UnnbGMWtDYZ3KmChJnVWL9BCigbKtCOb.mgbrct0JZy1CMiAD16ef5.l531NT9tbk.nlGDmZhVFup1o5wEaRJ.NWYA4wka6Orocs8jE7BTyK4fIYMuAauqy6FUipHH1KL8P6ECCxKNjk.gGQWAu6I0emHsLaDp0UmFwa16v76tjJYjHvwWqzRoP2oZR02PTRgMYKMOnmyV6Ds7_zUQhy2rV1QLIOXNzbJkgu1p6CZU4viUHF4paPyT9G8dvG0OxgjQM0z32YdjS6BByW7TmPmwp7MgckDddEo64JFAHlonJYCKJUfOXtqjHcGxwVnhEViAoCQrSmhig2CmPhsxJKDTZUW0Z.PrRKt5Czb2hdPFU6Ou7m1Gr1AfHNkQaL10gU1ePkq9whHnv7p9z.UncbVvpE4fTLo6_DN.xDogEAPlouJ6XeXLCgsO8gBUZw0F.k_2koqPMlHDYBOiDuNPkKOrSNSPeRKeqZlEnb0nmOSDeOH6jFmRUTVEpPkj3gRhhG_S1wWEHB7KggvCT82OA5MOiW1vqrN1eAnZm.XzG5S1oZKJEc3zan9WEWweEAu7MYYSdq0w0Gsb.qBgLnB5BdUMSfcCYqQakXIH2r68PQs6holA_JbV26g1uPTmjcaAud9WT0scUR5cMDf_lrBWUCV6KNVcoAQCgkemynoqMcaq6a5sNEeXy38LSUusq0QZtXngKzQtKYL7T9MfuSpn3Xn7KCS4Nt4k4JJWyMq1o33llu2PUfEXWvcmS.pr.a0Q78wcOH5OglfFbcC.nb7Cv.EDJdgqRxKldwiKZnXQ6MWy8vCwwidZObWV7itWygfmOTmooNO_tpTFMEbAbVBcljt3UcTT6WkiY_ASaM2icYiqb.jBXP2Y7AlDOq8LzWiVVnlGhcsLGAkbboRW6IVi0ptpcGwK.m31G0WcBxU8NLKzAJLS_BsOhAdrnRDbFf_DGiWftJcjQ._By8fz441G8dYIAL1z9QrjI3pifViRd3IMvIueYFbkV4oQ.jBmQ66q.yn6Q6PAPpNZ.fmV8aUfWeD1XNFTf0myxgQrAmRQLNGNGDRc14mwmjJRDupjTZDlgeFPUI1pkjbC06TUf5CLhoW0ftaDsTIYAA6DdEc5D2eFdVKckEETf7xmDTsKnlORI9YWm7M4q5dj3U02F2._1IirTokEkP7aXWz1Ptt6nOxj0_dHo5K46lDreIYk1llBsi.FzpXCPIQNNfN7oefNuwlc0LXlG6ce0TAlJLXhJTOv6uCh5Gch7otxrN3MfzIAv933UDGZk0_xaTOCrdJsfcRCRnl_yKVL.wqBIthJlSqwtdPsEwYi4NzEQmTc5PPWRk5cxl_RCpgrGnN2HKenLFiiXxHu6Fwz.GyBPDx.MYKHkqy4N.ZBkGXyklxvYDiXXbOqBhXLpzhSTSWkWzGUuzU6LvwlV1P1xxaIzP9MPiQoszbF7i_x1sehHvvrLCB7KOHxpWh8osXmeDX44Ooy07qxNC73cPhDw3cF1dhqjXSlgIJooehHwWRA3MHnlqa_ikicsuwrcPixbqAYX78WyrPRHTtqzYzqbWSGprYctNS.df.dXmoCJvMXDadHgoFuBEm6NWHyQZ1IhWnITTMGsOEEtL_UdFGcpcbs2jpJq9E4xGZkCNs4j_WnIvbmB.X2t0HQhpZlJ8Y3hU9oQxY0uFvac0pItEaXRqR1g2Jbw6qCtdoEytbTOi3PfrGe5BIvz8JLUN.qjb_JZxqbpfvm46rieOFp3qzMUZTcYTtj86q8EThRDz.wuyWM6GxUixUESWbfVtyVh4U9blgKkz",mdrd: "ImWHnRcz09OTGucjTAmfDJYOgohGpzwJSCg.p1cKVKg-1739102087-1.2.1.1-LvtzJcEjedU0_oUgKZJRuSVAwtJRZD_oEoqwD7gk1Sk1dPL2IRL21omFJut8sx0qCZAtJS7sl9_134jDDelPJbRkk_492KhVK9EUA547p0sqgTpGUok8CCm19DVTyT3N.xm922v1Am5MG9yyM40OdKD9fsMUixuQgp1QvtfsO1osEHTJY8h2Tq3KxAA4JIkAVLYWTQG8e5IWFQnqJUw894eq8iF7cUpQcbLYs.Fb.ImTkYtpDLLWqW9h.VTq9J3TNfcFCW_KAa.MT9Y3qL9wgUaK9xLn8tn8gk.t0Aiyh5.nKD0lai4HTGbN5HovVz.H6XE1Ve4_j_XrMixSVnoWpGpZ2F9b74E7c6YamHQXD54psF9EfGHj46eqk6jeSxtrYN4s96C59n57zOs2xMpBGacB1_KIDZSfEfKJSJo_jBDMYckX0hkPk4sXSFOKq_F8CI55YFe5KfY7.DpxCvnDhXYwJ_HPA0SDCeJZckabeZpOTwxFf6WHW_7_m7iG49lfwLoPEKdjzs1A4CHLNKkSsM3ZM.JjHYWpPd_LC5gYXJER37L3kK9andR9AXb04MfHZXPhXfyjoeBrItOg6vY310.gpafvKT.guQFUFKe0YOP3JVzhCMgwPL5Z9eBNlalFud5hc69oYybRffaJfN.e1be.iSYiRpRO_jTesllp_r.SuFaqUQ_Bpvlh.QFFmQt_u6c40unpMtMpUMLk_XwfZdkdA_N5G0iWhR_3UUl3CTGbytw3ExOrIW9ArOXLQGK_9GG8TUlZDfBR98I845yoqwAheCBJa6zCbSxdJO4.MWO4hw3tPGtGwUJGkxuTW7_iYVWkPkKhNxGPW6pdDV865i4GcX0kNBBf0LuYxZN_K3hBPBs0mHGk0iO3nLFuGJ78tyqKsxGMVvTsYPFiGxpJOILoz84HQQoQcsIleVCCs4H8TuejviVpqJx3rk7eNpxdjmqphNzCILihlVNI_Ne54H6eF.dt.sdTiJzePg1gjjgBZXP9wzPKbi47uYW935cVcl6V2qaTy_G3KVlJjm_2Ld56h1jS5aBZbzUwfZkad48qY4kOrjX_FPVKpTd4FOW4nVEmcnXG.QQcQfm4SoYVlK6k.kciFy3P9OWt5tSWKbvTU1BeVCeRUGACnz9uq2CFTONR8zSVgw842dvFl7uub_ZAq9dbQfP8fWLhslQ5Q9MPlm.b7jigpi2Ia5_C.s5ejCGIJi1KTbTjBVN.T7y3TB8r4j8.iXW4H4J8qOgMvSr3jjgGSPr87.w_kjEf_GAc2MAYAuhte6Qu_L_aQ5dmi9Lkn98Cf9dPlBdT7zGXTWWIwkWnRjH1sxSMXiGuhIemU1fu6IehMuJm3grIultVhXmjnyKxCmqQiUfHpcCaOmjuNaVtioy_TAu20bxqFAQ3rnD2YPn2sZZ1.sRdZcuDyt3xDSMcJiimbksT1dj8wvra7J3ylXyOTXZyJSoG5cLPUyQicJdB62b.hBvwtY_dEh9Xumga5cL95KQEBfEppoHCps96IOQc_2ep26in2laKSkwLWRhbd.Pkbr3tYvz2jgH.mS0nmg5PmRbMaoML53_6NHkMUJnhatQPNzuAtDT0Es4i4Q08tL9lXPiEwsu2TmvGo06SAsKy8pqoVWqWje2R8CbL7jDTu6nP7eGAmAWbp17XerQE2LSWP.n_sdJZUMqBBuZJAb43tqtjQrpVBnok2cu5iXKpIklhb9bkOIm4X2zaYtvIZJgQVmdDVpjW8O5JOQcw2JZSBlyD73SAxUThfQUaslEOe2mIaGLaBLSkbK4lka17UbGapguP2ysMbJ0kdph4ytetG3OW..oiagE"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3aaafe974c57c';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\/2587436109?__cf_chl_rt_tk=n_nQ3u0MTycHkocBIFw3kx5CjvSTmN9Uv0_Cb.aijng-1739102087-1.0.1.1-bNQrOVWXOQie4MfIt.E51k1W6k9WqmiR4YSdOdC9WSQ" + 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