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-064387805413.mit-edu.top",cType: 'managed',cRay: '90f66b90cf329c31',cH: 'ys1J1htd0w1TpB0ZQ71SaeZJfIZQnhrSfFrfdgayi0s-1739130959-1.2.1.1-tyV3TrpNKY9YnfMZmO10BcWGGe3qPdcw6s5aSdeLz5g331tWottz8PzpXQXVZbOA',cUPMDTk: "\/post\/7239615084?__cf_chl_tk=ceFQ9gzECSNAFnObPn448wlRrGss.nvg8gb__LKsDzk-1739130959-1.0.1.1-nfrKWmeYdx7SpkmYrNYHnGH96CV3qHk4CRquAyNSiUA",cFPWv: 'g',cITimeS: '1739130959',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7239615084?__cf_chl_f_tk=ceFQ9gzECSNAFnObPn448wlRrGss.nvg8gb__LKsDzk-1739130959-1.0.1.1-nfrKWmeYdx7SpkmYrNYHnGH96CV3qHk4CRquAyNSiUA",md: "YSRLDohOJXnqd4NSV_PEAEKw8WYme7v2dUfqTjPuj5I-1739130959-1.2.1.1-8sP2AGXMiNuXcnMHBumlpfklcmny_1Obgsw53yI8eP0TWmaNozN4Zw1C.pzXO2lV7EPh6kTfTmuu6CjMCnflm7bx7sgB9JakgGwrIGyENdOeX6IOm8OyeThiSRzzZHQflFUtez4eK56SYArP81NHfMZXkGfH2eqOtyZN9XutQ1vC2N95TZ15EiBueF1yk.yHEPvhbbS4xO4OeZ2SssoC9OQgh4lcTYJ_ShCi8uV2VwGN8G2DV91pIoqEAxYl7JPqCt8B.XtwRiZbtdfB3E.ed4IgD_dhHnyrgHxdLc23tGIh76ULzBg8IIlPBBKJ7gzCs1uUekH_StZ7uVNiGi1u6AR6upfsy61IMb7GI0A..ypiwscp6pdQbNeJ4IZ0rXk78zxXZgnMvoWk6CtSx5YF0V_u37rwqmjTbDLiFIMEnAk.AlXkWA2UeNaYGKlWBq9QMj8xRUkA87iXet8YyPELiPPqEBqvQ3YwLeoc1.D5KAf5syuAhTRJBK1aYEN1V_BSFP7Bb2gemqsevqZoES3rBdz85FelaBPw6dkRkz5805Ju6cboW_ruVQKA3DuML_NRMRsuriyPzxEHaIvE1j0F1.a9G3ruNIFVTssxqWp3LkLV0cSDBMZ953YlVX.K8.DIyCZuZXcyHpIJeMpKLpJAbMyXUZGX.XLq4X5DqTSbWr7HZFilThvQa8graHvdfV55A9H5rsK0JoqAIVZs70oTj3NfcTjj1V1NLKYN1zHiz27gzGgkH_X.Llpe5_Qy.58ueIu2LjX7W6jc0xwI3pUSIVJjZ2DTk0.YItnu9RYVTjMRKVgSqhaj9OduWM9P8KnB25uxkd4Gd8GGA7FVO1ETlAEDPS1Sy9O0fcVGeUbscs2XDWWODPuNhvAVmZfcRN30M8GYMh0sm.jgPHn7dZMTn3AJQcFF2wCinTpJwhhjzqDUZYEuGbe5sR0Kf_th_D5fp_6dcg6wGrF3WOTlnCu6QMvn8ky9_kHpzrcTb9PvBCRHYt6b3HQ.OMHCLSRNQz0KAsVl_YKCyUCiTROKpyPheeiPssQeHydEYArLTYbwepj3nn6Ssfzk8va0VN3z9pKzY5XsDg5YQNP4kGufsNA0AqZTJtOgzJzd2AXYjNeIWiqdj2EMUAz2XisWrPfH4wTjuq6aNc0g8C.U8J2WckJMJAf445dMyXo_i7XrD2Gybp8nk_cZuPaKP51XMBNopbO5df6MKNZceghZtofOo_kGQX07QqhGhQ3iXEI_.4rtB0HsATsQKCbWHdJ.la7TwagFhEOFcdkP6zrwiQR6A8MhwSkBbFX4rT4ovCQa.iTk3skfRVfpVelhny9hTlQVzGMaRNRnCj9QyhdMuWIp9mFvH6dcSTWBin5O1PK2kJIF4B7ycLNZtNZKbufO.swtSLSwv7eP6R7AjciOZsIZby2dhvuOc0rcVAFJH0qzfhMjgSSKzdO.nZ387qnR7cPjVpeS6uzePC_MZppP7Z264INQ0_FgM5AuDjvGWsq9wmmlgFKY.HERlxJNeiiABNo1uXmkWicNk8995gNRMPzxKidSG6Fosh1e7mLwRyn31MIigIU6RGiNYYE3nxd83C6n174dH1kyuuNkmt9NGlSwl2CqthzGMnMEkOGskolg4Qeep2fB89hF61UCWTduJCoD4WoANEWibCbqOVO.aoDlajvvIsza3XMmevZlNoe3a0eZkxky8Sba5muc4DjmY0SrY2xecPXV9y_jNctXEoXUgyG3nVVx5wgXljCbkDtUsQaolT.u03UlqHzjhTi2RpynW3TgeBJuxV7BwpMvi4lw_ebl.0trQJScpEWEZIMXwadope2V.Cy8vN_I5aAEro7lfCpBerd3WJzLMqJeTOst8EIQ044fXDSR1dfTULHMefGjGb2MatuGnS5EjMI2O52BxxPbfvxqDHTbO.A5C6uH1A53d487FnjOFKBNfBZchNh1Vn1gSHic_hXG3oODQ02JXRJq1YUOj2teMyeZOH03F_.ReJ1l6vgw40LezmejsW7y5fzUznC4bBx.5aiBxf6DaTflv9NAMjTCLQUpOSKHTkfEToRBJZast_bukvUMzJNiWHew2VHQjPvCihrKuGVyjXTsrtZEdnWq7m7_e3IY5bJwF1CIvSjSAm72UpyXfLar.xyKzVs_uNB5wwJK4W8ZEKXyFVkC2fmmvyrbjt50d2Q8cUN.xxCvxpVIejOdBNmKRc7FALa6qIwrVvzumWUA5o33",mdrd: "BaJi.mZe2iTFmGzd7NhIu4ocYOGyIjNakmzBTvsEYX4-1739130959-1.2.1.1-i6f5QsV4JjXiNrhAHCBW_0fuoKBp5TV6HYaxg3TBadCnTL0_Zth0X7fdz4g50Y7kZKyk.75Vv5Rxx9dwUhvB7wXrtuUORfWVYhbDBCwlysbqxM778.BPnAXZZJw9Yb4Chi2zB27HdcwQ3vgaEzGe7LK36wP7l0bUSJwJjyM4KiCMuhpQdnv1RHKYaroU8Er49.ZjGbjqBUrE._LUtzffrJbCQ2s_zReenoigo_4M11dOfyxkrg7xP3E2pj0MmQAbET1K9V2fE5yUggnsRJfe73Zg9cMw8vXZm.VXTc9bqWwwOeDI0_d8WqH8DLwtI_8End2Ul4aS948SgCsaSmgVqEPYH17brov1v5z_RP3HoKb.QQ3BC31TcQ9ZXqQGPNyjxpTcvDyTcCa2xcenxhl4_xLpZYwtCyZoxadC3cC1uXOZl_4HxNRIRdAbo22F9..tRM_wC.TphtQWzKVF8.HlTiWi6r7Oo7EBDkNGuXdcxws9YrGL414R1AF1TwkrMVFeu8FeQNP8uV2KHwU4N9JcWhRQqSIRn2M.3JVmTgut6OG7GbyOsWi00fe2Ep0GnHtjCs7e1jvp.0NBSwr7i4qpj6WlrVBB06yObLvdONZOuje9v3CV9YZVnIRaZSK46iTaF2wgCADd8HTXaW45lQB.AqGLQSDVwD8yMm8gEknC0LxD7o0sHtkuU7FyXT7MVZBM4z2rER_0VscygzPeJyCgTTuwfSe1AQdSPbGLXAl6lO9h_r_QHInkCxCMoaT5tM2S0IeEaqSJSgNF7pxJrVtDWZ236vXmc1gQNTWeq8h3gadRTA6a9Wk1K9_wwQHbqfh4RVlGWdY1iQXY6dz2nE6lEJ7jDsXw3gaehKUxzFyvddWBmem9sOrb6mzv3u5WeKybXlBOiyE..TEvDDeZDkHsf8Yk8w2efx311AE3mhLrQ6Sc5VnWs2LpzB.sDFX_uuigL1avsDWfr5uRGiJi9iNT1B.W.G67IwU4euwyoQ5YLseqgacmRNBTcVW.ElrgLEmyTUSDJT6S8XikeSQ_GoMjkjpV3TsnxW9ftOJPIKK4K_mqRGLJ1uatr0u1eMrh8YnJIYnUUWngbvgTtmCsK1HFkAUOao_Ley9lf_ZMHfzo7_InYqpNTOJXxWMxOGkag3AT87TsOZhbfoYJDLSOWJjUQ64RNF8PIzD4VuL8TpfI5ozuoTV_Ziwat3r59LBvzIIQRAqxQMX3.UFCveuYGA.6HR0Dbt4LdSJyuanr9RLtYHrk5x6zkOP8qxeGtJxbWl9csSvMoSryTS8HNI.T1W8dnOwTmGygzKE91fnTMwu2RjdXy084kVQuipZ4pg7H5BgPlkCdd1Wq1xoi0uw1iQRBwOvth.OzTJU_ddD_5XsdF.7evZdsm.OQLZ8dDU3nhaBM1v3GSj35ynfSrmB7iABJOeDiFMHRthSSOuzrsf.6neXqvRK7m2NrmvrArszfb3jLKvsbGavxA6LTdudC.9TvmFDt0_jC0EytRqWv0eNFbF5RO3NjbNav_XoQmwbi12i3XHVLEZKckaCI7ECUH1ZEGXq5SLXywNB4z0mhF2jYQnwfATCAzuSjei.139sqP9dWzOHvZNjEWDoqfcsvKSF6zpQ55FVSOIjBFw0EaXr_CovFWs99gPM.lnYhs4NIcoSQOfiHo77SOgOFi0BdMn42ANKqUYOLtF08cWHzzJsEVzwgE0yETkBPBvUgXppQ7jvutk1aB5EkXPhl3rccepnZUkTFNvrBzsoP2YszzgSkAkTBR9sCWBbCIMamD1dT90AfLe8WTbheAFZLEH1xJcR9tQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f66b90cf329c31';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\/7239615084?__cf_chl_rt_tk=ceFQ9gzECSNAFnObPn448wlRrGss.nvg8gb__LKsDzk-1739130959-1.0.1.1-nfrKWmeYdx7SpkmYrNYHnGH96CV3qHk4CRquAyNSiUA" + 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