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="360"></head><body><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-439644509811.mit-edu.top",cType: 'managed',cRay: '94b9e6725885356c',cH: 'ApKidRsnIQd0kPrFod1E26TePYBpczNYAjjVcc8XdwA-1749233779-1.2.1.1-jnXF73FisdD0_ce.AtuvKv1d6uG4eLyp5zQnotzBffXuz9zDcLcsJouF2uxv6rP9',cUPMDTk: "\/post\/2465037891?__cf_chl_tk=Eom1W0GUXapip67uSf7Wxft8cML7epPgcUaOeau3cDE-1749233779-1.0.1.1-.1jWd1FPgmt7P3w49wOOxovm0x3tG.tcE8QEU5UDJeI",cFPWv: 'g',cITimeS: '1749233779',cTplC: 0,cTplV: 5,cTplB: 'cf',fa: "\/post\/2465037891?__cf_chl_f_tk=Eom1W0GUXapip67uSf7Wxft8cML7epPgcUaOeau3cDE-1749233779-1.0.1.1-.1jWd1FPgmt7P3w49wOOxovm0x3tG.tcE8QEU5UDJeI",md: "T3jVArWlt.D9EuSy5Pu18qjSeh59xx54pldE38Rrrrs-1749233779-1.2.1.1-.RXlqGIFgwZ6zby6VTeR5S0iqCK6lJl4mxx05kpwAR.vZTYlvkwkg_GpTz4_zS04jBB6FsuKJ7PsrK.uERDuE3hO6DdxiuMgz49Nb6uHKAv1fOF9CN7lAWDcrUbeogU189m6YC7aAUAqLApn6NwZ29629.KS5VfU6Ho..9gTGN9cAH5juS6ExIapKWV.3W4S1crEDiqbq_byc_CTN.asfc8aSJj3PNirpEuqmegOmxbUeWrlVMP1szRxP_co7_6EC82ZJNd9qIgUK6lIo87kmHMtZbWf16bJzB0GX_Yfinsegeu3SZ4V5T7iuyau8JYf0GfKMuB9d.QBn0HgTnhuoR5kyoN4mdINR4x.lT8fvB76asGggaNhItJ5_BPVe6UZuctiHwPSHOoZfmU3B43o1wYyJj9SpTTP61skqaZdjCeYhskOjPQQOxs.N_PooJrafuio45CgPtsadlSk6b8Ndl1r4cMuuRwqIy4HdK00rrLIki4.O__onMFdC58WrWKIOLQPIG259XhI5twB3atsIu8K8nrUW.qc4m7DHrMtZqgaK_atj_2lkxquvtCbR5JSgWkRuPPpo0YRJcs5FJWqtbCkQRRmniljIRrcoCiY1AUokNnsVC3..NazB63sipFfp4l09hoNLfbBfspEEGKpovA74n4qg3fg5CSQrECYXOTVkkAWtvumAaY_LFhcqPw_oIMyLO39P9tyQZRsD1Y9UnZJXQV1ihhDHibmkWU7m5rYa_akIi4wVnoZ2cbQsWGVjmSuG6E1SRdBf2ZOcytp5jxnnpiim4YD1dYoJgGpS7uXZvvEw1pXnZC9s6Di3DqsHKnY2seiPY4Wbh5p.GOoYA",mdrd: "0VJ_XzDst4v.3NNwm39T_Bbjr9hRIAtUEfPEi4Rs_Rw-1749233779-1.2.1.1-jUrzoc.qoZpcXz8lvIenvmdTysdFWMYmNa8IHr8Gkg6MKftpoPoL89TpLplao7XR9Qx.Eo5M3vc5SYiIfIu1HL6HDMov4ER0HU.KUToxlw1aMaPkegUjofJwI5IWe2i2SxX70nHOzaWKSH2e66s1LL1mKcP6SneUvtARO2h3.FLCY4iz1fhof1K0pCK.9EJHJ6bvvCu2vEbz8uAXHwTI.wy7RgirnlnjzKxaQWDiHOqehCKSHFxKsxHtELaH1N37UKKYjXufsd64lPo9vRYASoin6QfJynXoMqFWLxes7v4B2hn2bfGClvBRhBbwaAiIQbfny84OcTwAhfCLJZHhSRo0b5G9QhEmoZydIcD7NrHP.nbCYf_1VJNYpb4C9PaFgKG1n2sGkaw.9H1epikeK3MHSL24yGu64ckr7hzJI.7VIbeFUCjouau8SDQy3lVb86qb_MYcR1baFIrcDQZwMb79MC41QCcj0qzIjZVyuuF1E1Zxt3faQQwupj7Dgc45w_sWPHj2jRFmS7PMDXgh045uxEjttVv.vlIPQFWh4lfMqao6w6E0V4GhrD2WRdOyXYZg2p5OWPhgPoV1BDAq4zTOubH7byxGU0_JhKhmA4gmweqq2258yrE1RQbmKgWdgC0Ccu4w1GkUIQVfV8_n87cpFBsDrWd5FT992q_wlp1UeYXKuEdHRYfcUDqSplxUlbbuQj.aXg8zlt3WC5Z9HqS6oPiOe898z2kDltOf4M3.JaOy0rp5o4h.DNOjZD8A9YS3mFMG5hOyq20ufKwsBvnq_6riwaQViLnatF1kWuvcl8p_GkUvu5GZy.o4RlVcBq.w2_ogDI86kURpFQI03SzmNgb7XriOf2CGn.aOpyzwPx1.2LAEc2Y0nEpWMB6TCfyTi4SAwtbfG.boOV8h1_iK3Zu00gU4IRcMidSu87ESZLxswx5mSd0EVPdJoU388gdHGO9Bi_bf96W1BI8dtYHh2t24cRMWUv0tSgGgay_Qavio9Ccwrse9LazQC.imwgscerThjE6xuxVVokojZnEbmcCyxZb.EwFsCgOXwQsyE_clKY.PHAeK39uCwh4kv4VgsEW5d7h6Mhq9pi9x4dwYaVS5DzjTf7D_5iK563Le9k3xfYxrHpEXtFGbNoRaY7WGvQ6GiL2JcNeisoBmDBQYBFErMQ5eKpue9XUhF4IJw0mNBTnyDfN1_jAcA1KZdRYMRZqjV7UR46d4TivdAPe0t6V1cseAQdc27llawZporbameQ1E1tyvOXMnE326GaSzJ6fjl.zXGOAjcc6ZR82Kk6FWfp2eb5a7_ML_bcPmYahtrDJ2B.ctNIcq_dWbu6z_77LH1m3fDPvhrCfMXl_NZFDg6.kza0EGN_wL6JYypU8BMID6nx9X4x_79Bnuwf_PhJ7A3nmIPzK1B2uuZ3Nb4uRXo6D.XFlBGYp3XnT3zIr3bdjYiN3X2Npofw1tjmLz5KaML7VmOrQ07K_xZDo3OuDYbeHHcdTOQaFvgPVIatXX6NJ1KckGpFZs8gYyxZlXGeH_ihxNVz_fOKqjVxGZz8vp8nVoITpzQ4ZCl9fEPlHP0h2bx8x5g7Y1hnt9cJ.aQHTfqE5xNG19vv1sk4UhIg3Bf0IPc0tvZrYKILLrVYPfWGEE9N37lez59kh7yWjFunX6UB6jJVzR_3.mMZncHLHPmuE74KZ1TA8RSabnaDs4AF22ylSnv2wq.5cgCvLxm7iYEI3U88M4bsYUOOYgr.uKcqh7BO2HUQqbgHE0pRyiEJBp7dQGrBxFJ7LAgRqFA5DDCbRbmvS6pgw7S4uqHfUgsbi7dnt8g7qbATmfz4OIxIXgk7RmXY.l7m3ItW6Xbzdw1b3bMH4Z7Kzqg9m3NxsY4UiwEH306xaYznS.d87LhCqvpEYJo2sCpGTw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=94b9e6725885356c';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\/2465037891?__cf_chl_rt_tk=Eom1W0GUXapip67uSf7Wxft8cML7epPgcUaOeau3cDE-1749233779-1.0.1.1-.1jWd1FPgmt7P3w49wOOxovm0x3tG.tcE8QEU5UDJeI" + 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