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-148231781588.mit-edu.top",cType: 'managed',cRay: '90f66ff7a9e8c9a9',cH: 'ZwyFHskDNEjoonDTAKdlEfVOFkAzFT4KBd00T0JfCeQ-1739131139-1.2.1.1-F2f3K2iYhlVp1tsy.kPnvaCKLnVBN2VenJmYkWOzwlChczhFyhQKtWNlqqBpDku1',cUPMDTk: "\/post\/5780623941?__cf_chl_tk=kDfKDpKSvFNp88Q1RuhKFN4kxJaFBjcfuLvznhCJa5A-1739131139-1.0.1.1-03IfOOo0K9worXbSz0_VJKFfKo6.LEgokLzodOq4Z2k",cFPWv: 'g',cITimeS: '1739131139',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5780623941?__cf_chl_f_tk=kDfKDpKSvFNp88Q1RuhKFN4kxJaFBjcfuLvznhCJa5A-1739131139-1.0.1.1-03IfOOo0K9worXbSz0_VJKFfKo6.LEgokLzodOq4Z2k",md: "kfVMnEjVsCABP_R3oobZYEB7H00P9Shboj8Dp7bqN34-1739131139-1.2.1.1-JiaHhPo..Asdo_BqvyL3DCMFQJmnBYftNSe9JiXFlwWlTvGGS9moda11x3rL_XDl4N.eDi1kCl0_v6RZG1cxmCEV1YaBobKwNkqXkmXYrsnK1qJ46TUkvOhwQ0Ejh6_Fb9wCTZhp_JGZO3TjV1brr4NEqzhlBs8GhmDoJTZO_CevLblA7AYloDeae9ZPn.zYf4wDOERlAGyHg52dcSIRmG0NNSwgjUi58MhXtjO3jprGuq5QEgW0jvRjVErNK0_Y7ctzngZVEjlZhkQYI0gNJYr5F.kcDhOB.p0eszfnMZRFTjiNG70PNkRw06p4obdelPVvDfqa8TmVCzYTmKcMKZFpm95vlFclydecx7wk96DjnXgo3XtQFH_WB0eHLNvU82e.xqsP17Fj9ojPqlqkB6gUCB5eAm.22iC6SpEtpFpfXc8aSDXriuoIbjxxNaQx8cu5RXZ7sm0AEwhrxuBTo7XrL.Wm2WcEItUThdPczd32adNZjJReTD8ErKUY..omsZo7kSgWsDe3ysU7IC_09OOcNr33SGKubj9Q8TJ9.ldlm4h4wSP3EXUusrB1KCzVn2AnYRYDkfoha0Oafu3tXAz23JbKNba7R.nAkcn0K5QXKYSbNsJLHBmlBkPu1CHdnUsryNQWs1EqYEPcg6F0d8Q2UqOja80hlSya69tyTDU1j6bHkQrut0JRtdUKUkP8.Oe5T048aZmztAIBm2UaJJqM4unQOmnMxkDnOxK6vXA1WRHhyjWfctFK82bu6K8bKm0FziRzHrCIHiJujUDrIjFVWYba8E0D7i25nwHzYlVrJpTYfqhstz8rSqsrVsrm7OfOy8meQaDkQxEaGCw4NruIvRXJ76BMJ8D1QkHejjF086z2cFm_p7D1O8cJO2VdcvvCP1ZR8ePP7yOmilnPtpL31b7UfyOyOz0jkESaFsVC_rEe9PyEtIEW5tRhwWnIsE2CYA2swmfQ2Ii0y75NSk4aEYhitdQp7zoTlvOgvoDjaefuzhO9InnubCSLxbMgRDmPQsIU8gMGKVZMaG7Yf.FtrD70FcUbv5VbhQZeX5JLmIhoiAY5vAL1R.na8WSlN7.48RAHREOiyM_EdHK0u1wOUoKLSDqZyyH80m4r_IHdmBJSP6rJtLZ5MjXNyb7AcLHyp5s5UlSRbjvzBC3l8eHI_xtSv00.zWWeonvm31eEb0jgFCntKaPfVNuX3H1gSlX8EUHvU.T7KmT_98SievDkk5b9b7J2M08PwVUk5KKhUnSMjlaoSFMMnB8V.VhXzzjvCYnCATG_7zMPtnc4kLRKfBmisZFggnlOPlOp1YOqqujR.PtG2XGx2tz0WTGHlE1SC3xI9AWXInjjskcgmyCHP2BTz7u.Vww27FIXEaYMS3ld0riwXTr2GHsx6OHHzJod4YzkxMLg47OZnEbBOYsF8KIcOAYeiYzxc6wQJLdYgVG8puynYixLAdJnqXpxrgsBFCRG5yMrDKTUWi71S1aCDbSSZmMVh3Dp4VJt9eG3SQId6S78gt2vUWD7QTPwupWRlfqL1v3Z1yddaOp2GPiO8TJ_6dkOcxdYrEmcWKlpACkZGngeFyLMdgkgbTJkYwSNuMl2bju.BOhE2s9OKHA1TikVpd2e27EKTZmI2VxR601RGpMyHXilknO_oNOCDskQLXO8tAhmBuFYc1EpAowV86Q0E22KQ4HJAB..R17O9D37Y63fjniYjrWkiHaCSvE2PtyW5iB7oH3FULqZsLfN8FJUF2J3CNdeFkA6ufY.1NSqrqAWyhpvTIusvoOdUDpbbyLajIwRsb5i4cmGu9cwOtXAMcNC3IAreiyZIQYV0W6eIBGCZBK6AIhRGfWWBKSTjUam6xOnikHeqdu1FjiTOQDBRoS3Z8.jUNHbSxmCqGCUJtPhzTJf8vzQxqSJQ0FfCxb.SrKw8agGZ1tWwga5uD8jAfJsdJyjo0uxk88bFNpZhn.A18RKOhoLomCxjiA2eK4ghmTjt10natmQRHZmifT1Hc_l7jBXG_5hmuKBboZWEJAqsfYGuWypV.9OQPVUabuXlcl.JA.mpvNPck1_4oILRe18eyRHZ3b0AQTSU__Dc6hfHyB0YCe28znRWer0gTa_B4L6_zy9JESBN_neAy_aGPw8cLhBRYw0oOunOt0bkzHiM6YajMe.gFEtcnbKUg1zFx_yb8IBzzrkJwUldkSLDkIQkvhfPGgb74WPEzPXELAcF8tGeaKdoRQD",mdrd: "2JZucm5ehDYbQqR5d0vFY4DbLfSvSNUTfqyhPLJd6vg-1739131139-1.2.1.1-dps0akXwR_kcq66e8kxCBmqe4p1MBoCJCMS4lB2IfWjMjK5lxcLR1xZNZ4kIsRUst._3XHK2yvjYKBwF4rZk.AOLN37Ru623fjZixjsxQNbMbnf6hfGsQ_Y0y3KtbLQw3GPi9h5InReSaVSpbaODDC73PTTz0tY.ms3goVP6VsO2n6LU_L30ZScvaDPxTavHbLx6S2MCtdQ5.cuglhFamNHukl4VGI43t5v.hKSoKg1dDKP7F.tQCFpLwKT_uU4WzXqRBDI3F.wEQ2NkxfUm0IuXvUS.I_15i1yJGlS.PX2M2Yail7cMeXBVhzO345.JwCH.5tFKcQ8FnIC3TRlCvRMd51NhagirNqsx_XbaCga4Y7xUH1ngh9oLFexIjkskT.KYwjNNW0BnEdJgU79fDAMEbfohn0UxvcBvMr4nI7MndNq5Y0g_fvxU1zr.USfNdfgQyq_aF07eIS4mUM4g.BPOdpI7jkfwIweseXAni11pmB64g19fsCF7fxvEx2L2IxkQhFURjzG0.rSoom8mrs1ar3MnY02aWMjqIftZKjT.jBatS37deNfBeZV4umk5koB.wv_rGH33aQhl9LS83qz4XJ3YglW.WigZNP3wRMdtNnxnXqlTYYOP2CK9ik4sgZP9hgeGNXAf4ER_13Hvl5xC54AjLOVq3ENkRrwdE1MbPZ4DacPtz.wsujWDnA3iVM8L6hoCn2MUBesHY8l23eO7KBg2cu2EDIkSfx3ZBeBNlmme5FrQ5abaguxU7UV3OF6_0bZqFyA15HD_xoL8E2Rg8cfQIQY9Oc.q0NryZDMLkC.tWle7EfeRz.LsyjdLtFkEHwO4SrGiKD78S6XKK6DzRAckLOTVdnCm8ukj2O3oQ9P7DXK5UEGHpa4pXET_Lt0MScFTJ4Rj_Uo0gkcLtjT4Y6gd0G3olg_NuQHm21nZZV6St6VR1iPnnRdJTvzwRmC11I4jCJmTLBobLhNH30av71NLSGfp4EvvPMjfK11.FdekJ327MC0EyLeQuSjq7nQwk9TLwRY60L3MOVi0IkjqKm4oVtw5Sxf5h832rVsLsIyC5BW24ISJojVeVhIMa1xqk7OppNarYAwT57.oeK6B9uy10ruGmN65bqheNDqvMfhrQaozxgjDMom4oIhTTfZS8v7zBnyaFhQu6v8c2lu.tZqNYs5Vw9B6U6jdILD6rFBEDflZ2prH7F1gZ4OyVx5eocdUKJHjE_hpeJdUc.2T93VOAQq.5TN90wp0My0fbJCy6Gr7P_RzNhzwkyAOmHHjxAg5I77cyqdzUr3OW6wlndh.rUtTvZ_as2xpozAI0eDKueo6shXbxtUyxhpjNphIFxVgDHGKzybEaNFoiN9CCfSD6ASVUWkoKKbrGN5gbzFu9CKatERh4qfCwi9VymWkzpAq7eQS9P6fw1C_frM4UufaxngpPEflB3PGIt0KAfba9w1JGku0NUkA0knqZaxcMBB8rMyI5L3r5GX2KyuSkZ620DjeOZykkmVAMVUK59ij2i4ADLZkhw.ahlSc4iI5IC7_TJBpUdWwLuiPZMK7eYmZWpEG7Yk1CYXqmNRLZeLM_DvJdEmwr_hMQPpGiiN_dM7TgNk.qN1rNo.8tc9_h6DSVM3ZRYvdgXdmGGMaZfGQOAshpckYknWHfb7Swmcn7kY_jtRwcUkciY8vOakmbVP1ezuSptJCjbO_eohahs1pQwy5mqJu70xfKoNAY6OojYikVZuh5PqOExjKX7jj0aWvx7ctQETnf7OpFExQ8e.XFY0O_3wRqs_V5WnKXChyeBXdtsnmf6l8eS_.38mm_oO2EeU7rTkaR4G6pZw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f66ff7a9e8c9a9';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\/5780623941?__cf_chl_rt_tk=kDfKDpKSvFNp88Q1RuhKFN4kxJaFBjcfuLvznhCJa5A-1739131139-1.0.1.1-03IfOOo0K9worXbSz0_VJKFfKo6.LEgokLzodOq4Z2k" + 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