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-452689672800.mit-edu.top",cType: 'managed',cRay: '91104d402efb1367',cH: 'GOrgn2C4rhjrfdR6sVFX7qh9ayDAiQizB5Pi5qWEV_8-1739402347-1.2.1.1-NLJw..IdCLWH2to5oVfQfJYSNW6rttkDJSyImJPv_.9pFQS_059v.WayqXTDt72v',cUPMDTk: "\/post\/8673054921?__cf_chl_tk=mpOvL0cqHO1yjusDNDQx7eLVAIjcTsmofsckzgAfjAs-1739402347-1.0.1.1-_rMMgNaRXtVIZbLDeIIzpoRw_mPTPYabLd3NhKdShxo",cFPWv: 'b',cITimeS: '1739402347',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8673054921?__cf_chl_f_tk=mpOvL0cqHO1yjusDNDQx7eLVAIjcTsmofsckzgAfjAs-1739402347-1.0.1.1-_rMMgNaRXtVIZbLDeIIzpoRw_mPTPYabLd3NhKdShxo",md: "2RWCK7Oxplx037OaeuekWFwtcwWjuj63hokOuxHMfz8-1739402347-1.2.1.1-iN7ZPLRjRkTmwqlFqbU63J1SRUsyB_W_NA_.aaxwdASA3j23wi3_r6jPgKcsb_mCUZm8kCITEKska2R9uq7NQEUEaWZ4sXOldmsoWkSfNQ2hWkbzT4kB0HlaTruahVi6T0frgHxN2ZkZjBkEaGEsa4wkyOIYTCccdzSyfRLnI2FCaqBlJwqpfxF2DeIDrqItpmGeQbALwnD8XgKJidOso.F50ox0xyrT3HHSqq9vZt._x6nm4Sn9VgGFYiwGmF59.9j5nVe7t_2Xg3jtvbpqMEMqSR38cversm7UvsDm7lR25biJQr20krzF59Mbs7edEz0kBtpLSQa3srjEncVZBByYvso0kTYnaiC2vWDo4q282VoBIXDv7ZsKX7nstfF0qYdVJPnnOLNWB9yms7ss03CLMdp02khbc1aFb1cm5z90XJ.UdkN9TbkJ53na0CRNN5tv3vIkTRgP.LlLARwMxQaCclFnK0cZNe.P4LsXzz6p44IhAOQO23iIThAhL2uqNV.sKsuLh.XVMMBgw3Rizyn7q_n8udvVu4BVoLIy8PF4Jgr_ZtIODCDKtvpFPKDiszOB.9oaAXwRMEm7becZHlx.1har87Mch6O7T6ffDuOwPFw1VOKPfTP_DKkHsYdhihCoIrlwToBVHsee3uRic3JUVm67mN5cQ01ZK64D46QIDLiD7me_e.pNJ9occ4WBiPXrPhB.iKaPJu985qvcVbV5dIyDJoOP49grw9dHhuHgxoggPg0onR5Q67F_y2JdL90LRCLpcGB1Q31C86apbmWKsBixVpATqClr5gQxAtlORYKUXz5aAebbW4ck0KHzkQ608ciyolmJ0wYeik5RzsO5eV0xq6WdbZ5jQX1qhknSJ59zAb1sDScqoyDKK9T.EAeKSnR2Ge8dxybMJMLJjV4jiUB8libQZAX.6CQON1Q2vimd9JLJfaP1hyljDQu.bLEwB4.N6JlA5cDcfUQCsHlGrGPAIkGXt_4VLTDRmVveUAEIMs.f8CGOxfKuLwz1mn0O7APd7AnUv_v_wJUDnG1XiiqoAQkzL0DyoI2DnMuaDTvltMYZdMxDksaOQ5Nv7hvSAKUa6v1au6AN5Nxm6BL6QaKhDybj8d6oyV5p48JrVNm9k0plhaWvpWLLoEj5BEBMK.nnm8YCE2RaBJM.Gmes9RuVGb7PWshu_b5nrhGSYwi.zf5goVa0uK05Xxzk1PrdusdxLuEZAVVWm0PtKnKq62e2HAg.mdHXUBHzaIYwZT5sKqCMn8ce424nt4IS9VwHE3LtnMU.804E0kTetlF055OzAKCxQms3Y9LzZPDCP9a4YQwF5_bkzRoRZZkbvLtWf.SQwTnoeVX2Nhiq_ILBtr68TFobASj6CS3Lc6lpPdv0dIlDy7Z1d8Hpa.HenKt2xz_DtzMawqQcORdmK.gCTINk9gRAK8BhAQLSa5b4ZnX6xziU._.yT5T16.GK0eWFBwt2ELnu5feFUCfze3MmWPu1JPqQf.jDrshQe_0l6XRwc4irL6t3oJPZQwb9.rbtLnEEILtIvbOTm4.u6UlB0ImQbs_xpPUkwGKXBkPwkMZedueKlfm9exErFQw3YBcLF0k8s0SSxYRMcRYSGXkcFWCcghMWzEdB52oACAW7t0AYtsnYbavPrYRj5ti461GaqxVnYJgz57ghQFizKAEuECCLzrB4ci18XSynsRNGgAG9_ItWEQLxLOHYD_XFDkthKvloN9MW.OydAmBhBWVrZNaBzB_YQqSVH7eNrGnE56U6Zfx2ef7k1kJS3IGUXS.Q8eVwK8XgBcKhP1BAzeCbGfLk9maK.SACjicIS5Gz8vgwkiR4uz1Dp3_cd1Wit30raWFJ5NlyZpWcerVdhsutVrh3vRDbwgTyDPQxwFsS2kXvjeOKbsj1.Ps4DOGm2QgcPFPE5LgANXNt.YWgy4D77AsTw.1G5NHzSYOPb.vdNq2rgK_QI6iHKWKj3XUwkejS7VW8SUwkWfXrhAkzvOF2ySnj3nXpJG_BTBbmW30F118a4hBJmdOSkBJjMK0UD5wLJdUkJJdaIFoKRc0s9fHcd7QDHRle8N8Ycq2AE4FA0.E7CwqoZfHyRj5S9khjwWYzbq2q1t9FYubrV_g_a5FHe.d7q8yWvi218lSAsl4Eqoctl_.0m_HfU8mwaaNyPtoljLVYnuA.T.R1AVISzZqn5oENGU2KlqnSaiNbO.fLvAochowadK3ZGBauPB1N",mdrd: "vk.CQX3VK1vXBLbkBIHK4nX1ltO2g00_e0EW3cW7ndU-1739402347-1.2.1.1-xpXt9COWPvR_rA2pBs6mf6Xqtbhl.RhlDDtzWkMpbpLAvy03q6YEVeOUzKxwTUhLBmE4Xumb4N8XasC6Rjbzg2mzgRhg4BuccQbm4Jg3HXnPVKqo0O8PwEdBtV_D1V.VFhs8ntL49s2sE.LlOJhs8Bj4xakTsuLC7RZS4uxlrBgX9I4O0OrD9zj1f3gx2G8kFzlF9azA.vc.IzOgwAsUUM6uoitT2Fgf433BDiONpFDk_tHkL7iJIgDnGtAAe64lGlliSjMhANoIgC25a3s7HI_O0_qxtIVPSB8TbA56PLKGSgrzdCVhADOy5xSvcegebqezM.y1wbu8fxNkP3BLwU1DQ4jpZBGPqyZ14NKy82QVs.JPBovbI4BbU_spAeysjUqxxiD9sbfyhisjMjmQEn3MpsA8k7K6BF_6YdIzLRNOuxDrY7coSRTsei4EO56kNk23cAOL3po8gf3W6I.618gAE27xK0Ub9Wzt3X.qkNrdPu2fWTBu66PV_SfN2KGf09WJTxlhBnJGy335HYv_lksrBhGJvjvgU7JBef7PILe9hFVp5v28H6opiKTtAV_QzcVWIQibYd3qvtTPgqwsBAnw4uiYs5nnm4W2Fk50DTb68kVGidkoJxxOrZQgnrZc5jC_WiMorG0Pev0h2n2AQU6yKjdviVSapV.JhoRLG.O2CEErpu6AmqQ2VgU8gbIh66QyPF7vxPcj8mdQPzVbDoPJyULuFbQifeCwRSO78sthx_vYGx6oqomuKexXNzJBR6fX8yckhqwOfPvaEzxYcVY1dHN.ak9ddgsf7BJoHqozoEpw.pxT.Btz1ZinqCc5lrXiRb24IFvCnPH2DxMdB97OYEbx_lTrgw8sRKCV8bJZm90yLbtROPvdKKQu8VPKJmLocFy1P.dZZEwu6Yj89l9rrUQeKSwpJZ_3eJTrRXGNIcKtOUWLBNhhlkJVVnN79o4CwEP9Nw848.gsjBCPplZx0PC07cUiaIRRqeXol1iKSsELSLx1J6pbRwf8RidSw6zffAXDao6.uaVDoKV5j6s122hbtsr47jRksPo_i7XJ9de3N6tiJeagLgNoDCEF3X9IkKeJf7fwR.ipIVRwfauNOpJAIjd8MVSu4.3w9c0LywLWJ7hV9l83TKvuiSXHnq_Sz9Xxeu1_LMzUfA__yeNA4Snu2tQuZMDJgXQnVGbYDSPmBChXa80A2zt3D8BmlJVrCpC3vriCtT9I1RxYH680Dw5DdnoNzh3hvid21O.6ZpJlKnPk7arsqiMS7y0za6r70BVg8udu4p8oYOh4zqhksNo6.o1Tl5KLUrTFCmqajdxTY13mWcJBmc1KxfR__SsAF4OoFvCGek.7qSL16QtgElcDEXTm46t5EDnH5dglrLRv.vkTivw556e6FUxwCSAYYbt75Arbtn9zHStaxtJrzV8JfvoCdMljuPPKEH4mpp9iYqbVzUgQvrEtTG.I05GJlHgbcl6IEw3ZOt1FivGi19RdRWYMSJnoQTXt_ntH..MVIjdsjdHb7r4L7SI42Oeo3hseu3zhC5Cv90xFI4bgcPhEBKg26C8_wa2uF1g7LJUUlnRPFLa6t3YaYK_5pSG7mt9IBbFr9om2K4KUGb5..s_TRTtqwhnl4th5qYHqoJnYDHxjZfLLW48caxVUK.RluulGx6dfug6vJuATRpWxQEtDf3kaKY8ffpbD.gM6rRDwqCWPGsm.pexudk.Uv5QyqYTb0ZdgCIqnAV48edtctCMlosnjEBEn4FY.I1j4Srpbipvec5dGmH6EL1BYyav0xJzaPRCQqKOj0PKmIipOIeu7PDvD.GLcGk8EHfE"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91104d402efb1367';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\/8673054921?__cf_chl_rt_tk=mpOvL0cqHO1yjusDNDQx7eLVAIjcTsmofsckzgAfjAs-1739402347-1.0.1.1-_rMMgNaRXtVIZbLDeIIzpoRw_mPTPYabLd3NhKdShxo" + 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