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-563176459265.mit-edu.top",cType: 'managed',cRay: '91104cd11da2b506',cH: '1pt0FzJSwD_XvnKsZJcrmKpYe6ZQy6CT.Ay0sUh34_s-1739402329-1.2.1.1-PbKskHkNDMSoI_pZiMjczZGPqlRPIRrVw9MB72B.fiJehl2JGYJZeaDiSEAF520o',cUPMDTk: "\/post\/5193068247?__cf_chl_tk=HiDzyeJOFbzUIAM_pfFPNbeuo6jV0B4ObwcAKF71Xh4-1739402329-1.0.1.1-lWbwRJlmNjXTtzaTfHis1wyA.iyv8g.i0SB6I7nAdY8",cFPWv: 'b',cITimeS: '1739402329',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5193068247?__cf_chl_f_tk=HiDzyeJOFbzUIAM_pfFPNbeuo6jV0B4ObwcAKF71Xh4-1739402329-1.0.1.1-lWbwRJlmNjXTtzaTfHis1wyA.iyv8g.i0SB6I7nAdY8",md: "Q7RsyN1ptbMS8xbWOMKlbBbqDwXPm1UgxUhKd09K5cM-1739402329-1.2.1.1-s125ykjxZtqLtTHLWqdf.lrbfXB_499jxkmFVVb5nG8EKZQsS1TVhLofKgFRNaWPekcIJ10u4OiRAymVK_ugcr0GEi.GxxL8R7x64add.44l2.ZL3uBqtGwI4PK0d8J9F3nWv7NPS0yCWA79qohSLDv6OY2zPdyXb2.WmlhY2W4F70RKRhiKHefH4oGPkrh78odhxkmphMJncGPi7SJBYgJSGU3k3T3pRAO9OE3CWgY.fP.KFekVzMwtv853w1iNLmKzhm3wUobNhidSzl1tXjud0nsx5X_TUSnLYvMRJpEzBEdpYfZsvsb7_ooI7IPUNQ13r.om78.g8VCTBMhVVPMrkCbvZLMA5VB_zKXXzifC8R8xBFziYy3v6PqDp8giMwJ.KUd9lAN_dMEPVYEzqCbYAg5HD2OKXCvqpmGxZ6wDMcRP8S.80ogMHKv8PGNYW3z_7rFcQe1zN_mfmAhr70NEZmJwXTK1eF2IVjArV24n99fv0nGoMWBITthv2SJLLjc.fnvqlP7H4rOBG51X39Se2wd..uHvrVQnN_MZkfImK9bMzcrQ3QJZM060KfgDho_ZQim5AA5wAC8XDmI2gq0yPdjOZC6zfULmYI3opWP1_cvHeWn0yTPvFGPW9cUEnpf0ZEcW4wTuLda0KHrxtsuwstCMbbrFKD5X.RIZQMabXFdnOnt1bYpNyPAoQhtsyXVYrp7G4VwXhoPfrnq5y_t.l3Q2G7BYusIxrOsj.YXUkImYSHwHaQcQh34ejtLPKZH1ajfsPDGST8J_Y.CbUbidAr480_bAPvQBZM_sPC.jK_BnY7Zavn9xh_AdUJuBmVDEQx6ojHr9uAhvAXTf9MjNp_ad7Gy40Tq4Z8_tcYZRTh2dUSsV_5pC_fqY.dRA0N5jUz1r1WsTTWC_F2QinQ5RwTwW3lHgsCyhb4IiU07wfgBtHvVAIodW2U9lsZ2Muw_.LrZ623UioLVEjaZqhL1k7D2Q3HB3P3e3JvOdX_NQGs588uKQaTcYH.BxzBF5fEalwhILdAe93GJbIEuOdu.QbuZ1oKAygp4So2w8AKQsCy3qNpauuzdUc1CT5mlNMGNJVDzThY4NndpRY9TSRoQd9DkdaV7Y_YTjUJqGhamcrU5Edx0VefpAP4DCZ8uxK1KqB6RF0uFuv3lEPxUyHtuRIDwIXKrOJpzU2kZxTJzRYlEg2VxagZmjEGkSN1.OtthFYGdpfToUIyFCk1X.zawzmfXzws22RW2j2KvfWkifOiMICV4VCoL9rBnMjzVeaW0VeyWQoN5VhLfjwuQ9Fb9VCrFMaB9Bq2VFtMIzYiZF8mDHJpbBT6_E96sfwAwensdkuPMpJk4LOoeoRNzpSsYTPTMo.1h.atvHnoTcFWYTFsP_g4.jtBi9lz9EaEjgsVxqsifFoBxF_90kxY.Dq_uUJzg8j3hQzTzg13ZXkhrl49eSQtKGYZQZDmp3KAxHBNSciDw3FXTwVLHnJfjbOU5YwlL.wtHkAr6SZfiHww5wPXzEvboj.J1J_TW7hn8n_pKGUN6yhITiNCw9WNUA.zv59MzwJSoUB0Lrvw1OjGn2CvSXzo3KVw8GtI_HbQy8ROvnOdrv6IvrRnCsZoEb5ZP77lLL1a1pgZrvDkQqXR9gvTaysh6ny.H3XJrk7PDneoavl5DbvkbL0koyqPTKRncfsCJoblqg1UMCspmngE2nWpWCyBXf7psTuB79WtaphZWl4BYQOULgasN6WFhQNRCYR6tNQc4vJI80IX6a2GJy1yCGb6uOYyozMsw9trz4BVXXdkw9ALenLJA2rz_ck89XmkuhL4jRQdNuMr.qn8CNHz_Js7qb46nEkR4CT5rHnfTmw4CTlTVsEfLL3v2LskCCMngej35AP.CjrWwJCPKMZ7l71.sbqbh28y9s2LMxDfL_rNNm1BOmKL72VNlxsclhtQEW90ef7LOVSUMlHUstQim9yfvpnP3Q7pEmI7QbM8ESeMaP26GjoiKoV0qaJuuXMC6ahGAvmh3VmzbRw66MrUDAGyqlGPd0WSrhKC73MUrUtf94OoTBN.ha5LtszRBFG5dnYtKwPFxAAyLWUafYFdaMK7NvfwF8LgL1IeFDSibW2Al_JdH1gyOISfIr0KMxEZTeGQEFTl2WwVE42Q3Ic78_l7UFOy_5Z3CRWfg9ZVAN5ud0qy3iRZ5W9MdLRF7kWAZHt2ReO4rQIEmUNgSame6yOpI1XFbY94FewwlP",mdrd: "xsijbqdfbSLpKqIv9O.LnDkAzkeIbcN2M5MxdL7fwlQ-1739402329-1.2.1.1-H749gKBh38cpPvR2O7Ex1s6gypHUSQl3SXFIurL84vTSFC2jJy7i4ST2DwWiXYm_27uu8tJjihD5dronTiYeY33yW6pFERIxNCuu8YYuXX2fJn_wKx1Qlh4l_2q9B3OPNJ3oLXv.8jsXJ.utgEFx9Hu8pk9c3DP89zsKf3cLy6fUP2zz91d6234MglEG0tLin_7ENsRl9NUf09c_96PTLmBzQAN5vMIw5c5PhrqPLUVphEntn2WDxgXt_9KjYjm7joWa146Cgen8xvs_4ZjHgHUGXmCAFb.2wIPd9aH2U_Y2QBbhnJHaooHH.AUB5x7jOA0yfgxsXR1MiHgiMn7XYk1pavx63TCMM_QsLRgOohLYDpNec970R2lIFzH1p5SZKE4fCehytO6.xD4_RSyyz3Z0exriyoTXQzBi7q.xnHOteNAGceDWdwa3hlqgGPVLb7614leFJ_rcZFMie5pFmCJ7GcJA1cxGT9mraMRQnnY4mhBsuyTCEdz9cou3FEXx52JnoiQoMiYk4TPXW06GkuoJjBFkUV_.87rcizXhEzR1buw.3wRLETP77JqjH1TyzzXUkB3EYG24lGrGJCgqJ8N.CM2UoVMSsMWBFC0ZmjX2aFr.dzr3QdC7MvaA5avISbI6UvnS26JAtW1.kXRXWPB.oeMty5ndDEp_Y0HZlh_DAh4UslHPx.9TUXiwdr3iyB8wxFnEiN3ZsgH2xsaR78m6ALZEJSL6Vx7QJKrDht.y9dxG4akFi0vNpUXhIVMH6n66sBqpaED_tFd0eByW0Wp2x23vVvg9OD8tAtPT04AGTTTmz7g9XAmJTsLJQTQ.J9R_mK9LXQBzaMxdXYG4SpE23FPHnZJ9.oSyNoXFzzgFgdXTboo4mQTcq93bvn74NKLuz4WhVPdUJcuh2ECL1WRKR_p3OoLt9RVeP910WAxm1BmBkWUXZr_phmTB5dEGSxMcyXQaRfzwmaqSH6D2jZOo3QcQzZqUg7lrGgQn3mHsDbEfl0i6Bqu92O5L4tvtIIsRX2429z_wnQtbh_g1MMmnLFxjg9gLENwwPGx2tlE1pMYfQA33oJ6VmBx06tdguEGXfqo3bZW8zLyNQ7Oc6F50lGkNeYBlSAjFXH._GM0iUoXb3WWc.ONQCGw7Noth4axAmPdUaXmgwEuLOnHtqIGSk.N9NyjZrsfrbEgc0D_DlvNtetuQvTwaPZkjwoZDm6YHrfyz2o80AaARQAL3fN2QBIs7yGWDpySGZy0o0JxHCzJcojJaPPqXeN77BJ7Z6CRDk..Uc_G.9zjWo.KKOh44GWg1e.MmctRXT_UBNJBwVDGMs9xtB7CdwMA6aLqeOUekUS8xxa1Da.MpKARQqfYzYWxzd8Bg0_y1hJfeO1_0XtyBYkxBANo6yilvxCscldWlPiNi8bgg1gm_SozQh02sIoEnvQlMVHfHajdmz1OgCBCumXiDkEqm9Pw0WHVf.whkefsUuOuTJXIFsHjhmhLFXTB.aoNknYDAK70BHMOfukN_CkQuyY_OCf.jP3GAWI5AUZ98Me7GVTxE.CVLkGwaqPR1RpbqHiXjwdMQ4sCsV60nmGoqDkqJ3Hh1DQHzkSDjm7f_FjmqJ4qPQQbb9OYIAIY5Ym.ERRp9ehKHWHDdnfV.mM9zdScU3.RGHinM162Ai6Be2NHAfoH2MN73hbXkdJ9ZWsJ7dRjJ7aXR6Y1Ox1qtDzkLMJTFidIucN2HUhrCx9pZg5TGY45rtGLA2Lfl6AY2u2dB4qsqAhT2PIXg6IJQRMswNok2JKt5ytSdBmea3IAKC9.r6tI88ADwd0s2rfSA.I_YWd_HOuQbSpk"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91104cd11da2b506';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\/5193068247?__cf_chl_rt_tk=HiDzyeJOFbzUIAM_pfFPNbeuo6jV0B4ObwcAKF71Xh4-1739402329-1.0.1.1-lWbwRJlmNjXTtzaTfHis1wyA.iyv8g.i0SB6I7nAdY8" + 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