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-102183637901.mit-edu.top",cType: 'managed',cRay: '90f371a20d36818c',cH: '7iKJb8.qFe9xp8pQKX3y6UblaZPbL1Jt_LFmS.yed4c-1739099750-1.2.1.1-qsWWtQUhJLCN8r2tFHhJEmA5wVDY3HZbGjShfrgz07kTZqewmAEDfeUTGzMEiJJD',cUPMDTk: "\/post\/3874619205?__cf_chl_tk=f7F245vPlr7B0TmGB7IP_N8lmeOFgLWbELGsbLT2TJ4-1739099750-1.0.1.1-fyfgydqn5.okCqTz_7Os_wK44ETL0ht2j3Q0DFZGuD8",cFPWv: 'g',cITimeS: '1739099750',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3874619205?__cf_chl_f_tk=f7F245vPlr7B0TmGB7IP_N8lmeOFgLWbELGsbLT2TJ4-1739099750-1.0.1.1-fyfgydqn5.okCqTz_7Os_wK44ETL0ht2j3Q0DFZGuD8",md: "_LUpjyPGAgmRWoVKbIxbBzrhNdGe9hf5a0vIgVuDXdg-1739099750-1.2.1.1-LgUiQn4qvWM4887xW5F0iFCrncC79WAWylGFGvAQX1CRN4e42izmKwtMm8tDQQl_iz4z4i4HRvFoOyQVUJltbuoI6mTm8yGoyDn5jdpaHeQ_mhPB6xmeNbVS7lBVEaQztH.AntSsLlGyG9mGxliwQSKt3fE8eqrwoQ3FxNbQrWAE7TisZ_3bYJEYE2hsQ7iQ51JkW2Tem0Ur6o39ELJGtFp.A4hoGIoB.iHuUfr7jZ3JigSsEUv45WmXpCt9bu3eIPSazxf09hqg9n0w3I.I0GM6UMRwxE7iWhmMbt9kKCrztOfHawrj5T_UlWX0pyETv_ocEZJhrCXItXL1X.6ZS98NrD.svAtQ7G0jK3ByR0lTVWajFqrny79P_6WEEa8vRAeaSBsnonmetrURnKV9H3N3OJfWSVysCjsREqYJ_ufsORqqbEm98Xo8R_uuqHI2QDYMYvi3AncBixXiuodRd4ewg6.1kDRs.21g6fvtr9VNF6yDIDYeO7Bz51stCf7ljb9HiH4pzedLPZ7TCOLB_DaZAnP73CMKHVN_Sarx_bhKuERNU54xUElDsJxZbZ5P9vUMD9P0qk7437Yn.IUZiyuQRkKuFeW2ZKQW9ZZ1C2drB1NTp3V72MLPfZXUi5ncUHu_UwliOALG2lUDG8gCOcKBXX61SsMQLBqTAW1a1tUxV00_17T5RfcrmcjTTC.6cUBzC1tB_.3SRp4b6WSYkDjYH5LfmHbO64OD.7sloZ1eiO9xf41.rY3jiS_4uil4lL3d3yGlOjkn7UQXTKchkqQaaEtXLIKVIg6mvFbWC_WCeChr1YKcZAEhaw6Fw7wd_UICLq.2PpiJGFQNwCmMdVkgdHmP6FTso_6FHN_N_vv3mcXEQvQU6NtfuDkpBcR4KdzwuEFvvmbDCzxMULcq_QMAHDnyVJLZU97gk_XSY2NCRmiUNcXO5BgzlQ54PWT8z1VliqJ_blEGCip1I5Bw.lb74TCBTkPwVhpZ8Q_JXeWAsHeLuHCh7yhZHeV40JuWUy5wBVIVkR3ACi_RB08SUFsXeitIx2LfxlN8DXV3RU0JonjZHO8bXV5npfi8MwBTY..LVVN7xTzkxJvfhA66SZMYvrsA7NK0nc7JZvvCJocrd_cSjB5whn9bJxNYNG2.yghz43b_gQPqFMi0MAfeVASVS93bPyQi8iZpxP5n8WvmcvMlUPHVsxAhSxjHSg32mzfichmskdgfP8gtXT3tGgA9KvSHuhY0ymDwmBF8Dy6lz4IN0MMpgpc8MdGjerKJ5D4oz8S6j55oETcL.QsO.i9.7LAE769.2qWSfv4u2Yl6aP9jbW_z0B03DJ.IyYD6zq8bkawi2JawAPGcDpvopZF4.8veKZgfeYHw625ZqnYZ_VWy25b5G4heXDq5kciCs3IxvbEhsnnM4gsYYEjg_6JsHurmFUzw1w2dTVVAtWs5R1K5bqHz4ebz24YaPYEEPs.OpUuzyIh.eM61jCoGGxVqbBZMtLtcyZ3qgIFcIYNJZc1lzlkApLvFYi40KHr2VUJvH6BIGODvnWwYWE1pOPRDzS.eSh6znndyrz.J6wpOR14ib1jBHHikEosXhtDGJC8TIzHjE8.Bdm7V7YGFOs8a_wmA6_wl5XUiT_CGJlSeOv58Bl_o4al7Tk1h0tFmDf81JNfWENnf0KBYLVBuNIojW7sutVzCPdPAQoLsHCfJRsMeyB4rNPy.Er5tugI9IV5bITsLt.9GgE4ZYwEzXXB3ELrya355JJes32sfA1LKVR.pkXuNhhmEmWq90qRH7uQ_3520hMizY6nFDyJTPvhslabyJZkUoVqKwXpEG5MfZYSiS9fwl5uWsnKeZq7cY4zSYbyg6VZpwsU8yTspuXhITio67Z3JeVGPBP5C0zW3WDzok3_5gYY5urfqvwla_Hg7kvsd4octO7NP0b7_8O.DujyAbannopd8a0LRlxTrgc7oNFOEKgFLRoI3SPsHnRqYOr7Hb_FCi7._7Ck9CZx.NCGXrKmfjoI06URqmXrsHUmjSXIKW_rzQVHEVwR_pEjghKFJG8_w1iKO05icyP20rwuUkCxkmUEdw6YJbHUdC3BWswJgn15XF6ivp_EcHJblJGL3prt_RsbF7AUKcALVOEm3kE.v9FUa_Xtr2QJStlA0xyYO7gLLy0V3_afgXrJL_GlOi8wrC3HiYycz0fZOSUq3KAqwYVFeRe_xJ0RrciHxEN8pzfo40xze3McZ",mdrd: ".Qe0mVyzLDGt5N5Ce1By4e1w8WhVabhxq4.v7oHlr_A-1739099750-1.2.1.1-gwedl.uFGYcAmYCERmUP8yZGw3IpoxNRpSa2iMw.wGMEp5Oi1K8oxs5NsJVtTpV2nJQ7MCVAyFUUfLtHkEntSJYuyefPnHmwpWneTMjGlv1rn9Vbx6XO9hbJ5yDA3u3DcDJmLkrzRgah4w.poZ.6Y.e1tkH0cuzZFGwO5IMy.DBrJbE1YP.qmx4_45A899skli7UTEy3JXQW9XIq1RpQkzgvqSqi4wKdjq.Wd899OPxprktYeoB0_D0XiO2By5g0EtF_MUAm7pjreTy4dNKe7O35EAhQaFhmJxqXnRl3sq3zPCzQOj3gKjiSmb8QyToK5ihKDl1SNaDKpBwyeYeVetkNXqn5kaNhXuZEBqrF0_QkBRZSJK8Sq03.nP6IQjLcb8lsUh9t3JdZpsveYaiPjZZ.SeXDxk4I6CPAiq.CBJkiMjmuhorSpItz8GFq_FDZEmTBe642BpOi1FsP2RZRVwkYDqDA0kl2bU738v7WPK9VW75.ii8_eNpDe_mwuOZHDMMuafnRj6laORnjc8tRbpT3eMu46xnnIgxJBbqLfrmms1yZkCnUmt75UGkqZD4TVk1jCd1IEYB3UCGaW0jk.Fose_bBtoe_t6WSDe.omh06N78n0Jq.Q7hZAqI3T3kHvbcaJV2TNk1q0g61ID93AyvTbYof.bCRutQFsDZ53G4atYg4qye8jVPpyzcxD3R8QQkT3MvDScMCHce_9j1DOmLemhVqr_BpUuU5uE0SZ4eGzGgqEgssU.JbqKMpMGxj7tOg2ZqTgaAEdTz8X6MWoOqYDf241ZNUQg0ALxfcgDJgGMmENiUBLlPoMiWVBRzmffLkcF8wTdUgxenCLWn42n9E0rrN2pCGJkH6W_IPimohfymGiBTtu2KvdG6yWmvidZWk4nXtta3oLl10BXardULzc4ujygBml_JMoyVYhEun9uoPqW5OLW788a.Yy6VBK3asBTe7fsRmcxQRNSb9Mlk6aXOtyahCZyKzEM_W5FjFzjKd6LabB1oBzP60.5NwR2iOh3uwXeybcM6_srtnjtnh59g1q2X3MI0Ne3wxhHf1NBq1U1epXvNqPJaphmkfhUXa.LHWNgY9YeclWhVdWNDhI6H7N54Hi8MR7W2Te_PMECci3aOWzDJfAGSE7E2HFZDov.IxfSoFo4ph1FO__qeTPzUPl.zlFP9ijPTUYQxwL5_o8kX860TKfbGYjnCPZgl_T0J7KHRW3AMo0fn0LHHMpkEgwoGZDjnaHGmoUufLQbziEYYU6CdGUcJZQjcK0Bo2jAFl93aBI_x.avjxFYNwEYkEBjIP4TCCHlnzeo6dm7p3WvhatcIZ7hocm2W0SHgDWYGqBE1CgitYHw7xzyl4RLNLYPogKP8kVIcD2BXE0h4c3oYmY2wDxiV3y3WmXfOTT1DMkF9VwBPYrNIBDhVgocJmmE9HHyyEDJ2zGMBNJB92r4e.tCoq7Jy33Y30P5iJGhADhNCB1cWjKmB4A1PrHfxFIxlUlzq.HI59eydcVl0OBZ1oySgvBNlr0VhgOPrdiB9ptWLaskBjqwWB_OfFdwxM4PxT_ReDEnHudoN_4Rf36CNyOd7Nfwdfp4vdEfE6GveetMBlAZP7ld4WoYlh94PNERA.OsX42Pg5rj3TbDeMrYN.bciD4Gw_gf8YrVA89HuiMmfYqMxNd1.9oiw9YBcq71T.5bgBrRWQsY77VZLhyYovDi2agneqsc75PQpGrzL0t5qolOLtdxFcu2oQp7fpf7.UiWQDKUv5rnP7wywW5wNyEgtRQubbTVCtS79RniuX.3T3rN7yt.X1JA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f371a20d36818c';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\/3874619205?__cf_chl_rt_tk=f7F245vPlr7B0TmGB7IP_N8lmeOFgLWbELGsbLT2TJ4-1739099750-1.0.1.1-fyfgydqn5.okCqTz_7Os_wK44ETL0ht2j3Q0DFZGuD8" + 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