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-249381806768.mit-edu.top",cType: 'managed',cRay: '910f88483cbdc93b',cH: 'CqH2yw5IpvE9N0xG3ZaCBiUgAicivbRBiO_5_VuHu9Q-1739394279-1.2.1.1-pHHFKuXVrE4pt3LMmX.m6rsHvumwAQXGLrGDN4OyZi8Q63oo50i.3rLNGjq3km14',cUPMDTk: "\/post\/5172960438?__cf_chl_tk=Y9X_Ok_56vXp4w8CYmRy0JCcKbpoImxJsJ12nKv1t_M-1739394279-1.0.1.1-Mv6xW9Ou4IYwDgiXSVTjsjSejvOgh3n9Z5dtaPdgF2M",cFPWv: 'b',cITimeS: '1739394279',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5172960438?__cf_chl_f_tk=Y9X_Ok_56vXp4w8CYmRy0JCcKbpoImxJsJ12nKv1t_M-1739394279-1.0.1.1-Mv6xW9Ou4IYwDgiXSVTjsjSejvOgh3n9Z5dtaPdgF2M",md: "RUYC00GUzShpvLd6_37WpTKHc6lSG.8w0yxNHWXhbrE-1739394279-1.2.1.1-wTZLrXyAA4eZ2W1atIW6oX_hls7ppBE8ushTa1vWMQEX2C6Juzssd65OxAzBcKjX1jAMIbiamio4H0zoFWvYLY7K3vMqdWMJYGcjJp6fUGEY60Ti9uAMIGZqeLJIlZOBke7HGS4OsMT_v32duBJOveHz4W4vLICnqxXB2Tecy86NbnG6rAbxoN5uBJAsep.9ez49f1RsMJIbSb5N7b73g08a4MHCj9Pu8dBtuKOzGRGUGVsPXCUEL2JvAiIvJTE.4Kx661XmPnL.M_bd3qtibWwo9l19vZnBFGQ.c3ry8qbDYS5ByvbNMAOX0oE8L6BLWjbkMRndk_whcEks3uQRWbCXiUrhMGb_pWcikg2gwH1g_V.SuV0WVWQyuBXK5yjLIftinsQoueGgyFdZqQo8TQmV5FfAo0ReLThQjsD2A61vX_c9dP.YsE6qEieqjOU1D4gruYJwzoCOqzGOITHMTPnn5yOC_UfFwGSFw.xsp4jCmcL3aUbVjNcd4D7pkwhyndlFNzLJsnqImIj2V9Ei7IQ5nvEyXtdOGX6.ANsw5PLB3ZighRIikP0BSiZ3aJjyE2hiDPuPFxyju13bQWq6cN0TfMjGTRozf9HzzN7n79QWQkVi6yeHOpf4Far..aeYomoTxCeDTifeB.VUbAk9AosdqN7_P2c3ITAA0TT6ddvZctMICa589XiuNp04wYTmBdZNI2o_qmWKZipdR6GrkL6Kdt6v4vr06pViKS0iL67GM0LqqtVzsbVn747AtORL9JUK12.6bmP.R2eACTVXThWu6Ax7vFHeFIMJKOdaOyOWL8kNJXkk4T7Hie8g6hxJJkLXy0FU58NGRrscpCzV7ZILIetvLtg.d8h2691E2VReHrAZU_x9lRzovVeAcV8rT_h3AHDcONtvXwLGclTBFU40gQAhzJS8jGloXZ8rpE0SGOw7VDBI70MwpzHkuxZpCwsk_W_bBkgfclQorXS7ZKTs53BWmIrMSIQ4Q4fn1wL.0Mfm0UScXRZc.KPGvFnAhkAcz8wjbWbBj_So4LqV255f8uzU87vg2e1i_6602pHvkr1kFf7Bgkx4ykYORbt42RZqBOMQShRLsRA34VPbNdz5dTXbdTHlrwj6Q6rALad67ebYwN9v.FkRyckLL4Nmm.in19Auk_Z85i89TkCoX6OrCNzb9tYra5m78ixLgcdOqiZJLWNb6Gf.35O46ejZf85pDNYWoeAyR_J6v8RYmE.8oaBi5JXh7vjx8QnnAidWWI6Bvo7VavfwunzFis84XdkJtNj7wCJzScUX5kqTqiLLdDJ6hMw9pZen2aPILHEB5OaGfPBkCVfjqMtcG1KqWrl3B8EzvnTST5GtvzV7qlA2jiWn5ogA8VJdU.jDtKWrwqQN5_UcON21.yZ8t.Or0c31J4O63px5pGDnPfALxIgxLAzow1XXGVMDzXNagVa0mUWWmj_4KSsv1CQXWGwWLUYKtrbbYZ1lySTJOEJLGXEykAi3F97lI9hxUtEglsiIR6GQrikNjBmaQMKoIh.XDTYR_jsFL4mPiGsnmElUYOwq5njcfXDwuxu1vUIbgmKJLB30YkNA4KxQTl89pey6LeAqFVNcnZdhN5zxJOK5XDMu0N2iwiMC0RextRnJJjZBAs..6QE6tR89loRZpitiwhadjkaKOQdT4ForKZg1HQbJwcoPbhRn6TA7tIMfyoDX7itOGcd7xfGnJxNldsMoknO2De4e3lwOmd5Tovvho.eP1sk1L_Gz0NeSEQV8XtdUUTBlVdQcYEFy7p31Blks1foJuqt0Ro3kLSTLCdCrhkYTfROmCCjwkYbJURnUmoNG8D6MeT5BxmQeBFh2trl0Y7jgKbwpIHVQgKYRYm9oaDWsr63vn6WZ7SirkPqnjHdAxTcv.Kzh7MsNFJ_98gz8oL8ajz4DEF4_JeMNy20B38t2FtJhiRmkVqiDW99FVqKnfxZS9LCsRhLxayJQrTA33cLvxIqrqAj3rXwhzfPlZ8SR3s553yfPUIbStVHQnSSoZC9m.HHyP1QJhaxgigVh1vTUA_U3zy5rZStUu4zoHL4tUROz5kYR6q9o5ekgniAgZh9noAAaY40NHULhCygEEXCjdTKoYlv5xvk5ckC_00XhVTCS.OzxDaknsb4qBE2FGK6Hf67.pNDrjHi_WwbjnH_m.UlA4vPynd6q6MkiE3wiB60ERrwzMPXyhIFsTIvBeRU3UogNKrK2Nx103K9I",mdrd: "bCdKtXVF_dFT0uLrczz.jKKh.f9Mldnr8I.iqmLknK4-1739394279-1.2.1.1-Xy2mHwjUrNCaNU4IZEEV_8WKxrfYI8y73wG1oTgn4L2SMnyXFgksilOUXevyFHfmCTH00psS0LsGsaJJaW8nfsYLhDGEHKFH7HL6FeFx7KKCMS8oqW.Td6.XCjZrG094bHRZ8wnubPvBgCMJwdCra.Wvo2bXQ4fQKo4nuurtwomaW7uc3pQMocAg6tKVH3GpjYwCMEkkr4sTB9E5hX37t959zBCYtECKr0KomlxCCWSuGySwQM11Pd_Kiv1zbUTqjP915Amh.xSSjZDo1nRGr3hTXFVnC82QFzxXh3nQqCaSH7N90lacLIGRkOhYmH.cIXbgzEoykPactnTBnE8eeZWFqIc8iI__2c6ABZzwIihq9YNqXJ2CbKxikIofaPJOdMjADogbDg8XirEsENXy_y6jldkECvtTHqY30sgPGpbf0JxXKb27x_S9n2B3wdvCXIqhdtQZahY8I3.w6uHzHGcJJWP5sGwLNgQq7KrXSyDMlqD6vvW_sB_N1sWkpmy.MAfEIlG1GPvoC4uZs9fNypTaBF7iXNLWFpKQCjDft9MHrv2viG6jn_Z3u_DPxj5tGzZKb7rxK30KdkYo0btRK.s9OGk5Z9jFaLyva4u7jKonFT5WZWIpTWkJ8fUe09SofgVQzbz4jJjKecyl630sMTsg4Dqxm4yOAb7OIezvvmwG4dAoui_.LlgnSn8zB_WL8CpnvcZ34Ur0tLmB4g_Whm2MUlHoWLmNL51I59K24mskGKpzN9.QGC7qtNx3N4sS0PXQ4PlY10XErn4PvfL4G8cp_g6HbVU83SzSvbajiRtJVRC3ERgHC7GWBzAHr3KW.qscSfbTUB6Erh0q6hTszCzxBUFd_JYFDmktLwxODd9cdXjVRSJrn_x_CY.6D4ir1.VReGF7lIJDCLcLCUMGI.l6WpGL_Uzc2opI08kfutJkzBf1IziGWfZ8Tqwrwseo0DobsgvFT7H4JIOUlsB_kL1.xyq9hJjLj5uZagw7t.EMDeq34zww2oKE.YJppp_y9la3RrgoPe5tXmpY.u_DnuIZ4Sqx1htr9opukRTT92ZEO6scD5i0BBUyuQd94jtEYWhYRvnzymNxLFb8bTIRb6apQ.DS.ERNJ9nH_KggvqcqbvaY3DLe6meWQXB_5oiZutmTcw2n4woxn97NDRz2w.9JldXBUBIyeR_FsOsOAmswkUsZyE2YDDSeGFcW8Rwh5W6Di7A7sGLI7OWL.dOMFHn9c5OvhRKtWl0FI7LfGllgcg7dvxKfdrJTFfYfBQXKsyEP417z4Bf.ENJ.3H.qTMS8Xg_Eh3h5s0d0cj5rM_1GU9.N9u9zvsfrw8EbLPk08tWO5T5kyVqL9M90vplVK6EKmRyZawHlz0Fv3OZ6KftB0icJI.WP6ncJ2dZAX4Dzi_bN2tjansIK5DVchNrL9KsOTJoJuEV1QATPu0HnS0Ws6Ec2DJrz86mo1wtQZdufNiy0C1B77XPi7YBSH2Y5khKU0tGzxa78roJi8BATatxJ3vYkdjnHgw.Gpi1cz8b__8Et65Bg2heGG3izklqbtzmmRXxlk4DZ4bgil8tAIzGtflCdSVPr4RSNcePkkBhtBvGwf5LbdAiRqLHMhi6IzZlvxexnUjvV0QDZqbpbemC2lIr5_X.br2AUrpM5hD_bHiXMcP9aIG.hT1hTzxaoPlzUMS4YJPKDs9oBSaul61JI597dHHun21gvj_IXqee5wMzHORd0vuzKo6RxpCk1EzPwW6F48S_BS2WA.AOzNcNwI4K.zPriknDbES2qvHkRziD4sOESFk3Li.SaPHQwvA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910f88483cbdc93b';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\/5172960438?__cf_chl_rt_tk=Y9X_Ok_56vXp4w8CYmRy0JCcKbpoImxJsJ12nKv1t_M-1739394279-1.0.1.1-Mv6xW9Ou4IYwDgiXSVTjsjSejvOgh3n9Z5dtaPdgF2M" + 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
