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-443861404276.mit-edu.top",cType: 'managed',cRay: '90f68eaabb362d22',cH: 'clJAv80f0CO1Qk5XxC38Ml9uMdmfzudFG9P7MMEyV7E-1739132397-1.2.1.1-7WRTcAC7YReX5AId7ukMK88oe2eqnZvIFaIsSWMCcFlU2ZZSitiOM5UJPmkqqxJr',cUPMDTk: "\/post\/5460172398?__cf_chl_tk=Kl0dZco5jnTNqHpBHSuzk3WSS8t.afN_CKUWFfxyuh4-1739132397-1.0.1.1-IXCyHa2OekQ0mwVkWEhhJNQMTkIYNHY8t_ZHgzk8dTI",cFPWv: 'g',cITimeS: '1739132397',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5460172398?__cf_chl_f_tk=Kl0dZco5jnTNqHpBHSuzk3WSS8t.afN_CKUWFfxyuh4-1739132397-1.0.1.1-IXCyHa2OekQ0mwVkWEhhJNQMTkIYNHY8t_ZHgzk8dTI",md: "Hyvpe7f.SS8Tkr6BU.VOUepnfIFeejj8UWskpV_3lDc-1739132397-1.2.1.1-Cm1wEqowbnwMQ9FlttDUL..LsAyIfA_yg_NHmPFKsiqISUnBEYHpVPD9SM0vCqnonSyXP_ILyu42SEXinQ8UInqbKeGWA4sE_ALJE.VPf36K3ONeWlv5hHmaPp55O_WOat_2LminP82ItBf6TWGFT4BFksamjRzIGOVcJQwOe_MRX9V_ocQqHUXRSF2abtHsrrsLZTsCLKw401UdkD4D_DBb1SCm92giHwSp4tb78FGKUHyJNaAmooWksIMkoLI1vG20Xy4D8OgJembaPlfUQ8aQsOeLijV6gvrsGY5w0owrmvNxJTCg1AWt9C7eV5bo50nOySnL9arpAxq1Izy3COQSJen.V1c44NtwKtTuCjBdoLuXlef8VRZCF0Pxjs.OTTTt7Z95e4yAIcbMuMQwLeg8PGoz.4w86HKRChIutuW77BzWWLi61vofblHyEpnVQwxN_yzZzbfx7swXm9y.DBmq9fgWDrbw1i_xrgHibD99yY7VuPdIiHHkhzq385ShRk7sFfLlEVdqatJMrgoi4j41ErUjW0BadwbLlb2IBUGnDI8Xt6f.hGZ9DyEmwKmjXQxaKnjhWtolElwal.oXse9qW0R0NQC7m2HHp6I8vYxh7u4VXpAx24T0WvE5WcNvWht982eGNl8aBxz7LHeyviiPWQnqWs2.RC1.6XRzUpbYorhBsn_lH_TXeE6Wf2oQ8Gt.blO2dzZhgk5p8CfuIRvy7qzB0Uhb.O1qpR_MAmtf0sagXV0p8hb3WEruLL9p2zRT6Rm1BlD8vSyJW6rs9MJA78p95qTtuUv3qsuTleRF3IYgLFL_HRh8zxE_4zfUI3f..ZTM3zsgpZe6YMUIGC2k70N4kM85oMWYw9zBbQZHyssd6I4QLdFKNp_xqgTzsZ7NWY1bzYteIaFSvbHZoDRd4TNSGkjOddhuw7_kmK8YqM_L.ku7LBdor9B3de2V7Y7to1tZcE19dwn4BrPNs9Mk7WbSruZI0XocZIzyLCiTIMjUen1NGNvTFnv8yjQ45fJMcxjw6fg5eWeXrCoPlQK_u1iJcGxnj04D5JrLP6egLG67.4fIo3tjnjLr4SlLmilZPnKQxhbaaPZNHt4dSAcG14vcjrVVASRigsBi0hZ.2UyNohz_IhxEL3WZHFznnLRNUqfn8sam_YIR.6BLSMT3S.A7gV2H3CJ0SKR_FLIjj46l5W036rik7p6qUWyKXbkTIb5zG9iR8q4GSoKCUSewczJbsL2PafrpaDs_E8tnIYrKNgkE4GSZ30o.BiIHDgdQ2gcofRgv3YhJ74Qd7V8mKwYrT8i6NA4K0lQg3oU4NuvUx6lqlUrsPIuz.ZGFUTVfLM29u2Du1xuw3cjTjxQZevIYfjvbV9y2Tt6YPmDR9oHrFFWbDw1kj4HdewJBrIOHuTMDxALMZxXt.FbBnNTaEGYSpzlj0rwnCTf_9wUSyV.2uFIPRhZIXfbwYk8w3PVZ1g9ZXNMkcoPU591uVqR5iZjinhL8TNa40vszMhjbTecPNIl4wV3T82xeRI7qpOWm5zyvFxEVpYZgdOT1t8FJ4Y5GrMK74awyMHJ253buZ8WzEpoEohXGXyff2Y.YA0YbDWbKSU0D27WbwxBMGXFj3o8lMKVd2cyohmvkrjB3iQBdzwZnQw2zvBrqUP5hx6R_psXPVEZbpwh6Ow9kgOfiOejEEdnHDvHaSplnPnLTEjc7v.cr8Or2K5m5uZx_xdUS_GWY2Vkt7YZQvQHDioP_TCSdB4On03U2qVxu_RDgfnM7fT_LtXiG8ZdMaLOSJxpE_pX3mI4kTJlUwl29VdYTok0LybVIi8UI3bXBR0LrMeKNgWkjeHfptNQ09v0GH7nXrorYU0PlZ5reDIBWGPBfjTb7kIv8crAQ3SYX7kKXRA6TKaANRnwKZjdEIxnxr19SOJM_3awRs4BsPSPW8z1fYKRjI7u2AamnmJroDvJZITqoWCZPljDSehKgOYUIGTUcWYWRT8t0Kr5R4s8ZTlIABMb96dthgyoAGr6WEB2AF4WKEhTSwgzg8.8bUVCgJqxZjlW7Hns5GWZ8NaqkNpXB8WwMQliOnj434ZgZVxakkCAxD8HJeFzwmNNpbSlt4de0.vFo8nC4J_jK7k7xFvkyrgFrF9KE7tLGVNwx0o5LFF7FqnqfloXuo.31sUcgy0hnGv0vvVDOL3kP3NcjFRWTlxq7Be_Bl4r4XDmNmhjIDhmH7RuH0PClSB.Lj3Jm",mdrd: "0u.y0yNyJyOQPnr5QSs3ReR9NvL7w.Sw37.YMKQ6Z3U-1739132397-1.2.1.1-V06odp28V1zZ3uUule157PTGhOAq5s9wA8U.cuWjFA1eqBAsVaimb.QUdAc7c6TALcMIGLW3bSkhMeCWn_gUQEtEwdkXonejwJYhtvGT0JXHWv0OtV38LDAaPrX0.OAFs2TrmyGQPvw5FAmtCH5CNoqqdhDtIQMJQa4eHC5xjFev9VyRPwMlZkRp40orVvuNH7vVyCS.ishA.3DFX6_osQIm9zWA4nepS9kAgpK7.eW39FalIA7Qh74kJaqOrp59KLqc7RHNRKMfo4Em9bzctL2W5R5KS6I0u9pirGXLgv4HVo2sF7gVyaBDQVK3Fq4IB0zWQwh2V0DrB_jpdW1BD.8tQQTR2oilG62WQOCZ2YVLqh_2f5glxUZ0WjkcN857f0Os15XFogfRYgF_3wvTjWnJQYi.LoWpftGUsky_jarOmA0OBr8J_rATuj1Man4AbBCpDbbGBEUJ0TOJYkGYBERXNCyAKT8pK_pL0DbMGujUhTR_ggxTCyE15WxLRfP4BY7XZn4V4hysBjOV5HMQRvX7VlW3Ia74xBDlWXKu5SepG9lHD6I5JG8MRSYt06JA0dXI4fSrXwFKC3D0DkIIFn7hHRs1yLxoFsTWJ9yDqiycfacTiW7WylvkfCDyMoDJ55L33msi34PsL_zWnN5ymi5iM4NjUhc_aVYCRWTmWAZljVEKCfPz6.uKLBqkO5ccxirt_NvkFriThY_B92j00k89QJmy4RHw69BPRJZznNdKmCMQMNHghOh1ZyOT0JF3N.SAffCcktxS88prVZMcnWQv5XyEzQAIBrsAOL6wwTcgulaPUsDI8WRhjWadjDC5eGmtbwppUxx44geREem1ydnz.ojDRmO0nM65qlDLXrLm90zrhYkZvHC8O6KpE5PdXX4nEFme5Nlslf91qSpzsfONfEILOAeSeMGmEf9sTt4bTxS6gjhCOuigFzeF4LdMUOf7AhJ2UfbvjBD0sL99MnFGbw0gLgNMzIGfj0pT3_6O9AeaxUumENYgY4BQCQkl3j6JDkclkTF84MolyGoY1iIlQBoBDDiElI3OpFYuqsPuENSabasyjkCcuFfT0aVCPpZVxvp5qaTkAQRWZNlODEwhtcurf11uCXMoQCXHz_4di7WaOxt054h.Lg5yGRs.cjVMmiA.NCtDntDLypPxkD8H0AfzpGNyOi6BE9FVa847QwxK2iPqEBtIHdqv5Gd8VgQ6DC7MRfSS0cq5BgWRGlWGnsdS9py_yy9WfUOc_TBPGA7PWjewVYi143LQ5bVFquSp.aJRfXaYvHb8Q_OkibsAw.Zf7yJ6KroBVKhMfjqWFTvr_hEq1MrttUWSMw9ALpAYi6rZ6YlK8YYCx3dzDEhVBelUhD8cQDQqZKbIsC6o7bYIEsN1K0BVHNzQ0oyswfUA6Ok.nZpqMJ9ed05yAy4kblFocT9jyCkkVJ7QFbMZE8ahZNyqqjUqncHbFnH0iZO6tULyyn_eNhoXqkpPAQENEx9iTHiuWeB4JoBmr9G.9Es6fDd824yZ7iXNd7FgI.y5n22hTvBhlCmZBWldanzDZqz3LC3BL9Xb29iad.xeI.enXPcfpWPyX8.wxP9fekhYomSkhFcMm9aV0sr.UesWDrvCfNYgA14QIrk0jcLtLHqnQ20iNSMPEOjT.UrWXfOOPYUvY0FnME6lK9XJGPxvF21VAkYj9d_K4tsOMQBsDNB.YNwEvKWhvKLH8OdAxru0NLpW3eh53mLp96WvkDCRPUiMPSn2Oq3ZLvWrzIq0yPyYFDapYMCKUdxSHEPkZs8zoD3yL0A59APPiWrcf68UO4DVGY_axgeWs8RGzE0"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f68eaabb362d22';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\/5460172398?__cf_chl_rt_tk=Kl0dZco5jnTNqHpBHSuzk3WSS8t.afN_CKUWFfxyuh4-1739132397-1.0.1.1-IXCyHa2OekQ0mwVkWEhhJNQMTkIYNHY8t_ZHgzk8dTI" + 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