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-514378061255.mit-edu.top",cType: 'managed',cRay: '90f3755c4b050603',cH: 'ujRNZJpmMkcoGXpIYs9ieDD8_D8cvgq8yxqjExFxPOE-1739099903-1.2.1.1-gWL7z73GiSWo8knziqCLI3n5b6Lh3flipVKG0QeY.RmTWVd13jSURxHYowYMSCCF',cUPMDTk: "\/post\/5273694801?__cf_chl_tk=_VgStySOMv3TmAeLE2S9QP7pPfuW76k8ZZ2qC.dpEzU-1739099903-1.0.1.1-X0QAV8k.SWhYaebg20E0PclTWNX0qa1miUKESfbepjc",cFPWv: 'g',cITimeS: '1739099903',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5273694801?__cf_chl_f_tk=_VgStySOMv3TmAeLE2S9QP7pPfuW76k8ZZ2qC.dpEzU-1739099903-1.0.1.1-X0QAV8k.SWhYaebg20E0PclTWNX0qa1miUKESfbepjc",md: "1GoGJCraiSBcSkE41p5RA6D5iHOscVe0sZhiG3M1Czk-1739099903-1.2.1.1-Pq5tEqurSyzyDnZVJfJOQ8T0.D6L2Zgm9Wo8iGRDrJYI1YTW9VZV0FHM1fIMNQ5tUPh_jmYmRk0vQvfFSnyhgKU3fGvrfsE_itj99HFH8tVgnzUQue1Ps6IT9uvCNdK7LyrjJAL_35iE7Dwk_J3s5GBPN_UJB1csarDxUsCLNNKUAxOBYhaAGC.fy7bWJiohD8r.aOnYt91eBQy9e9ebklbu4WLtje4uvIWW5wQKDsUCtPUG_qEK7cMUqClG1REMXCtOKTGJnQ60SiFvX._Z5RHHirRsIO1udqaFIPwZg9YEj7TTPLks_zfJ0QKEmpPlIFAzynop4Wmy75wZX4UvK5xNwn9HtF.Q.UXTdlrEoiOz52FQVGXuvpmY86huMTGSqhUvKoQCIFm0vvinuhmw16Y4OwbPITUlula_VtYo9J6xz9qWhjbjZ4YO6_CFU1UMOuQHq.42B3JP_3dFDw9wr_lTQLAPqHLNy.cO9HH.IJeULxQwpEn1j9Qb2NYbTGGAybFbafw6HLswPOX8Dr3vNbSl2V3aELZDWvaQ2_k472FuJtje2qQvdo0gSz.2fAcBJPHdVOdB2kXFy5JJ9S7AO.TqMoNsf3a7zwZ1E2U.9mziAPtNF7IQIUdL0SpjfauTTpUf7Ty8GEQXV_8CLNSjJYqQmxbWJN..nDTCBZrYI.QifOL4C2ceVuzs8ll3tzODkJrJ9_KiLG.RMxtijhPassCkd7AgsdRh65qXzoDyvzsTOFK8_lUb.oAhnQazxUGZyqqWnQifnTbrCXahoxsHL9F7GMML6QhZrGF16qtWuRoZYIgmF8BomWwrd9BAID43.ynBANu46PCblRZXYaQ1d69BI1pMnOswnMRpSzWZgjogbg57AqGftqujfIPUmnNk9XtKOLr3wcdVAtIEpL4XQ8WvLekPOD6cqlVz_1lKzA1mWwADx0PW8EQmWXl5OTUwjozSMy.pyg1D15c.SkWEk3orE8r6z._udQhQYUPBN1Uh0nT2bUBCjFbDQx42z8p_beCcLmIi.JI31rR2n8eJaaVFrlzp29C8HuKcqqBSjur9Q.Woi6yOwcSPBMAQFEu9pfBJL8TApfZl06MfsiiLwHwbjW.cXRH_pgdKm5D4bq8Lzx0kcL65oXIDfk83mdHp5fEsjZyDu0l7.S45TppLA2roTruLEgksxL5SbmuAlKSXpVXGaj46LkJxI8j0vujTSxtBnNV1B7l3ltoX8C_j1y0odxvF6gYJnWShfoosfDd2jLn_xCPbGZT8958jsXhhtWX1DSvLPszaZ8Bs7wi5xbuJoQ.9lu7fmDlxnTliWGqtahWSR6yHlajbbRXwwnBLgDu2gxduXjQ.Kbp37ZL4wq96hldkGq0ktj2xFQ1eHhMbagu79n66bYGuND8r_nqXR9omMgvIyDl7pWy0NTP7pzXPJ3JgFH2O029UzVz7DDto2wfRhDPriU8HQapN1K1dAoVnGhk9YjWrrblgRcosdAa9erfP3hQNFcywiLqSX7CTO8O2_9TSh6HcXkwsIhVU7s.43_zHjygzwlWE_4yVcir26F0YpxYZ4uHj3_nWr70VbBNsYVxfdiEEENgyrtaEIeTXM2B6hpUYhIiiyV40lum12GML.34tEqrfYghjBJrBYL9bYMUhJ5YnMx6iDIIoQyQdcPIh5ke7aUsVfsdikrziXGIrkmflfeAQijrAjyocafCTW6ig0hyipBogC4nJDp6Q4LNuAm9R1rXd.u.50SFHariHYflXTT93YwN4QzO2HOEd2swCxx86Ezvwo5wAAicfdAX2n5.Ek5DcBvFUjcePK0wr7CPZfdOoeBSd7lEd8VrdLwNDcYvLyEeC6Sa6TuM5CunLgVmImNO7IznfaKVjE5JPPvDoPWJwqnB5qVpL1p9moi3WTz5pAoA9abchf27RlYw.wPy4EOubVFfaScZXkD82yaCVOa6VAsNJpsoAeTepySKpeY9Q5RNsH16bA6xhaUF0hql75IkwHXNYBlSEHyFquF8XZWiuXMDG8NGOmxMdvITURnju4wO95MnbfhnUQKVPjny3TvwFmQK79G.SUrmh3_Qoz_CER00W6plg8VuC_3xUq1LYY3XuSmsMaisKgxg0YKWSq7_mKNEtODqZZV2OcOfrCiDHIfpcEBikdXltltY1G0k7Pt6cwEubsB2B7cuvlB0utbxCOz_dSA6gumLK38yjNBP7QtOaerGFARedS1qk4qhQu21oV4zN",mdrd: "NGzQMieBVLsCfrQ7PZ_LRZ8XJglgKW.CeYSyFLcj7W8-1739099903-1.2.1.1-JpcSeucxXO4.Tt.Px7XB2DHVrDP4fQHzTGcJSZrbkf8cEVSDLgzvpidL2CxBFtAs.T_asdRqq03hrjjn4u25rtsgi7umC_r0xU4cMLXtQ0ZrBB0wJ1BG_fIG7MPAezbCNOucr2IyJ56zVnWiyjwgDSjMzegQY0UvAEZ2ByXxvjcIUlpn_ADTv6AN3bezCMyUsxmuP9cHgPdMPe2K0N5PtUaWJ6EqnwNL3BFmgUKPwvxcwCIRRWGgPoHHFAZ.nqQ0jHjTzaRmkndkT69x8ecimrTvWR8aHTdSrxwynYstkPEgIHBlgwMQgiVudVojKDASm6wRclpU.w4i6msh4voVWyClHe1aPUgR7JXofMzd4UzuGrqq1JsPeON8Hw_2j6EWvMaAZ.wJLRNdDm_GbkkCYetkQ1NCLRVNHZR74H6nxkShqKuIHRSk4auLmCRRUDcSAfb5aiwGSm74ZpWSCuIYZILRiXJC1v245_TxiR2CJ0kISLxCG3HQTZrTlKe3ia2XalZ52jA.0G5yQl.dI2JlDKFD0bS6CPl.hqWZlOfALfJU2wawbr1l90uv9bMRyCqYsrsrcyXZnQ5v6eg4nq1SZgZbfoTBO_ZFNkbw0LzX16LUvKZJIGK2CD6J4HZ9ur3BvA41nMcoOvIihy4xNG1vh.2t.zdSTfMqGhN7b1DPAT5TwKj807bQ7sxU1Dq97Bvutqx2jfSy1IaYQTKHMnwpy1L6PHn6v05wrj0NhBnzJwEi2fPOxumq_UcEgspJSammlL8kEB1QXrpP1cyBIZhvFGV4OLwBD4Muyd7VIb5DdHH9WzC7YiZUR6Uri9CLjVfzNG7gbzAT3KvegVph9ZVg9cSdhSYKRBNa9lq0ZddOMao8zgHFhD5WO9w9VVnlMFEoLRFr8ungkfy2XlpCPibI.TbHslOIJajXOpiRXA6x0BedOmI6YSjDAj..MJKNZ5deMYnYNz8ZyYbMcK.y8uNxo_qQsO1MyBnJbUSFiBuk.HoGKej8muQMPp75bYqvlWGr3a9UlBmgJydkHuLwhwNsVEA1mwO_8_8aBRFOEXaPF1bhjGkD7QA10lZHFMz8MKzZmaMcU3Ux1I_9XaENemhGsHED8pqVmlMgt7HCHAkMg.1Wjk84ti9od0vQ2jciJ.bpgKyQ5iBHggpnPmvAEOo6pYFCsvWBqv1Vw9l.doxOS6B5x6VTnDfpjiO2pRPja_MC5QVjZ5dRK1JrBNq0.buYaPOx_wbsSMs.trGMhb9l8r7nW9.nitBH_Byq724kv45LQnJHMkpcAw1Ed.G8CgvySukCEOrPN6EDvGOX.72NgRar3IY6EyY1fAEzDg.j9.7fDe9awNeVONTpfhib3WNmkJIAHvjEBg0QvkxxVrwz7DKY40lWHMUSJxhQ.l.3VOARbA2D7haeHtsF9bPCtnhcBLrpJGusnERUNAq9_hTEp7Cvz2xJoXZ5GBcbCe4N.Z_BU6G2OyjAPMnhPQJU7hyXuk_mNAGwM_IO8rEN2ipY6gd5Pvi6.V9e6bF3moFXqReNzo2RrbQEEpbuTMwQhswBRQLrjM_zRvwIPs_xd1GtDRNvSvqlYaujMvtwWw6hIiZph6uNnE1jv9xVH4gtXrWCKgPK5VBEMVs3xfTHidXrg_7zPbJscvzWN515fzMF5XkaF2fzSroC4Wm.1u3uA5pJtLAyuJIjSaqQR6mkPyZCk.1k91UgBFM32.BNarXLZ44vYX_xy.YOhCT6qMn2nUBYDCTOHRpMN2y6mGpOiSqkB8oadsGKAEmViVgTVawKQCEL4gzb2LsGvmAC32WFhP4S0Jc0N52915zY2gEF0Nprab8"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3755c4b050603';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\/5273694801?__cf_chl_rt_tk=_VgStySOMv3TmAeLE2S9QP7pPfuW76k8ZZ2qC.dpEzU-1739099903-1.0.1.1-X0QAV8k.SWhYaebg20E0PclTWNX0qa1miUKESfbepjc" + 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