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-798902910683.mit-edu.top",cType: 'managed',cRay: '911057ad09f9d6d4',cH: 'yur42HTX2MNvxT9_hM9qTt7kNgoJOO4v85fkxdh6bho-1739402774-1.2.1.1-Vfy.3X3X5HN6eY7Kc3.5WNRteOBa9U7kW9IteRzs8L16Gd.sqg_WolA1V1.Q0_83',cUPMDTk: "\/post\/5281903467?__cf_chl_tk=UJlmLBRNZ8FlbFaETyu.AqZ8aRZy.x1k0r2MbgD_Crs-1739402774-1.0.1.1-ZyVz5PfD.WrcY_8hpYpWyv25oqFfKSGhe_M_dxwTH0Q",cFPWv: 'b',cITimeS: '1739402774',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5281903467?__cf_chl_f_tk=UJlmLBRNZ8FlbFaETyu.AqZ8aRZy.x1k0r2MbgD_Crs-1739402774-1.0.1.1-ZyVz5PfD.WrcY_8hpYpWyv25oqFfKSGhe_M_dxwTH0Q",md: "6r9EGZeOTlg_sy2L59ADwAVKtrh.tUDhqD0iuCo5TPs-1739402774-1.2.1.1-AjE7ldaR2sEhoZbOD3sIJQhmVT8FeGoQfWemBAfOMU60cd60ME.UQ63lVEEGWzAJg7PoWNuUKG8sDbN_MW.JzLoF2U4V6nCG8Sw.udbpiRi4GeyjINNCDFvY1fc68ngEKgNod2LhtutjXXj8YJFNOkClMbA_w5osLeaZVfOFu75iMXy.mzcP8u3.XzYTlyblYjejTmnXDavvb0eZiWD1qAOTc0_vG0.rwzpjLNVEcug6Kz.h_uzjU6MvBXhm3fq0PVjnBM5lnu4QpYGkdS3fc01aTSz30ljQh7TGYqTp9yGC1dwQ0bz.MRKN2SHhw7xgcQ1bHjtQnjmYA.Sdv6XFhTMRENghzLI5AeejwXCvKNMlE7UsEU9uo7pmbWNZ_r0CYFaI8WJ8dodSgh8EmbCqVkQWgM69OPeY2BkCj.c6B0UdUUMBcnWUuG6y_DX4eDyGsKt8.Tw_K7hmKFe5O3nomuJ9HPSPB31MILIfCUj69vk7_vp77dSDyuXfqg5g0F7kqZ9NzpyTqYSfVxGJCMHuMrFcbLvbJAbNdWHqFKO5g63iecaCpmIF7rmNvYJ9ac8tHBpzL5I6XN9MngHfnhWqAHfYUttNOgHFjqH5v__IspqlIExs91XQ6woAzBHJF9yCxkHMyrTHRdyyOh.TBLp12IbT.vQkEw7bwyTDZyO.3RRNdSLr3_p2J4Qru6HExS17YLT_.etQt1cGUA8naX5nQ1UPUqnncuTlFxpoJf9lvgW5pS0x2TvkzcWNrYnVdazx4kPenCkCoMlP3qZ5hq7S8WU5gGTFTn01pHt18PR3YY2usMXyb9H8Lk7G9hoZfq0hvD9oKvxmpVRfBIryb818WSbzqPojW0QGfHBTDC1Dw.Tejtkx77dcEjRrUZb9XGpAMN2HhS.k3bwg5BmxJE95_7xPlEa34GTlyHF1ft_dLcGC8UxI1XBkK_XrVMZUrbHGKVXmJ3H5yGeDcPRq4_GTqd_3cRaevHrYv3y2IAWJsXZ6uC1exDxUktJMh7m1.41Ylqymdt9o4mmtSt82v6sV58pEYUhvExS92_XrtAYSX_KXGXPc6XoGHizov3xGWuiY.UwUwy3.AhRUMD0Ty3cLbSnRxLPSuw4b9JCZomTAZh4WKunk643inNCxdsbIU2VoXY1tdSasgB4jKLO2qBjxdI_B1BsdmrThQLZSQYIIkIWzp2URPLuMfMMNqGVJNAfRt3bEbNSI6deoU5AERus_rmbifG11GY0JfekNSM.xLAjgxj9voIZeaJUetQM6v7N.AgtO_FhJXYxd5H1nhPxUBY17yrtvJ8DOOcINIaFW0fEzyqIFK4UaL9uZMsnBg9nCX5qPz.dDArS_TEl_YCVTZYUCPHzrg56t96LFtFhEpbVf_g6vsF.HKIkFz8kdqBDpFWb38VfCXMGqV_kCMFrZj7yLMLNLZjREIGHb0qtQaM.8ZMBIu5DfqQCf2gruW8wc.fRgMEGmw80M4j_EKc9ry3zmATj5iuueoKP.z0CVfwlcksGovkZN60o_VQq8bfvHjRRV7W6a10J6jaovMNKqDP05Ch6Roydb7WUf4QnKkj3BKrDBcia12QO1Y5c_WtP1RYDKxBtwCb04ownLhYtMcfs4Ox53sHyCbUpnLOzrszEr4qfTdMXoO4Jj1O4w97Bj6Q3We.xMd3CyDWYkfq7kJbRRI41geG9CYOjaytNQehCHS.gNHtefm9WamEvO6TZxLgwZ6spdTQGiR4RGyu_hYuexT34h_qBy8eCOc0DYJMxD3vacnKKvpZ72m.1UMwuLsQVaEm2pAku096XSPgoV4oKdc.eT8NEH.kJeiCjjO7067Y51WtPrsu_FIqyTqXvUk8CD5UXjIHLNd_cJfcHOjysbd8q2ZpMnwgJPfiBKZBt_UG_BmkSDwVHrqBji1b4TrwY0VOHdrYxRIU.MqDQnOMJeBJeH9grLs52pS42fDC_0na4qQDfd69o_ASXYruiSFkntgWzWVLBNuGoEuU8XLwWHIPKy.O0sYD8kK70XDI4kBUy8jUrTjJrT1OPAN4EWswK8dRmtvGT26d0QxKpnHeIbzKf7YNioPwrLDk8KfXTUZ0zqaaza2bgSIgfKNwUcO7v9RUg5xk_9yhzeZ_7CgF3QiKjEqiYm_qi3S5zo9kH5hwGxXf8JnZTpIWerfInNv1t2EcVxCGog_Ooz.xyQq3a8n3Etzi19h_8r2cMC5cynXqE5wskghBcVj8h2ZpdS",mdrd: "tZfXmcYIym7BVZ7H8EKyitgKCVOcRiih33udlbZ1htk-1739402774-1.2.1.1-iQaq5lYij.14oiB7LDEv4xWggD_BWQgIV0CJoHkeWS5ZwWqIA0NGkndwZZYCtcPGFyDytjt5CZcVWPrmyNh7gBNmRd2w2veL7SuMAYUltMaOwgxXJ9f_A3if_3AoMZfC9AEQE6G2OUd43FM9j0D8NGmixzpEKnKE3ycWnPl4dQxpSH2QqbV1IB2g1F429FuV9elCGQDDpiZ0IDhGZ0VAURLhPqzcWM4JrDI9ggcWGwKn0paG9GeE8c2sKPzQXMrxZWNi83iPUdauWgCuTT7rTdi68.yYw7sZH7nLyfWISnV_haI_snrx9uIRxMx8gCOdBBpd0NMe9pfNRONMCrWCbozJF44pyJIgX7RCHhYPWAjs9pgI3x5X.vqMI3FOiyrS7g.VEd_6x2bX4wqo8avTehP6vn0rrHhBxQxALD_TMFrUvEbhvru1egJhH7Z1yeZOxSGhJi31mXlgGNJqmr4ktsl0ncm5mQKJ8xFVRdaNCCN6sroB7U9T3f27h8nFxcZgLc3oh.2E37jvKyawukD2y5uA7hALFcABuTp19MiL6q1CUtKBeYdcEtDsyKaRAlGRsZ5p3ruJDsRg.zXkvHiPvjZQqop9CBbjggJAf7i_ioM3lgRP1FUHNuzviEswT3tSBmOsBQ6B37PIBxRzY23iV3R3EhVdRv9N4Gi2e4Xit1oxORRE_4qSuq6BZyz3cQ40ljJdd9xYmv5iNJIi4DGZwG.spsjy3q08sYQH9I_W1fgsABcjCJ8H94SBoiTIaBp6Ee_bvtmPcFYnUF.ntNpZZs1078JFUUFI93Yp8oaa2LxuGgUw94LUwqkEVVe47F.MgnORR19bHkC68gCugS1uSBwM8bvjxLSH.MFu4bIfGw7EXkOLFTTsRvKzXM_SnbaLn3SoK9KBYp.syoI8ymkFw_serrr9PJrqKvk_il5uhScVPzZVghot2AviS31E9fX7qsKZZ.sOUH0F1R5beJRLzAVa7.jaIte6BHolF16xNnbf8HJjANsAtlSe29sPvrJp08aLwIR4saD8L_x.x35QQ8LiXN_teEFLjbtRgQJ8_pFyorzgdHrbRXcznlRt0WseotYesaJVOMKN2MuCnYlG8USR22n_p0w.go7MxBN1SCDAGuw4kknuuk9SvGzqZvsUAIi5dsxslj8DmFkl4MoYld4kPu6gCdNcVzwek_9sdPio_kWR1T97StP7F_Or7zHy3cuvMIxzGWhIeLefGtv2cs.v4SMl_paDxyx0vMrv3ZRuOGTusy.TqijLrXztAXNN2XEKgSr868p7UFwI3_oLnfgI.O8tO2EGKqEgZHystJslbcn71.wnDkEm01Qq2vtA58g491f2nnnnBekIs9gvOWtJNSh_JLGCNJhfDtB_HCWDQ7.lXSSfb9plsw_YbiLgXfl1ahld6wB9K2o_gDCTJQvRFxY9o_h32tENaUAXS1YcdEFkDJYmqAI8Ko83D_ZW74685C0o3W1kfHhEqg52wHOL0Nnqjc_N1gtYWiBhlo6Uay4LV8QVSZUldYRHzbHuRZWKRvAGbqYpXz15TfPH43PSiASNza1cy1qjjIkNZSy8n3JBLype6cL9_4BsQytLn51E7l_5O7vz9ndW.UnPWr39SjKAAz6Il2hTXlIB6AUXXGusZsJCOrZCEQJWK7myLNv.W64KEs8SB9q19stOmYd9q5pPcgEhwKXNPUXYIxGz4JFMTR.p1yTuGLCCbOxIQ2e1TS45WQvnaDfAhbYsVPsr5MHf26.3eEu3nuoFUGsr1d6lYgX.PS8klturP3vPiQbHQdiV8qqSq83GwH9_m4a7PcDD8.EvAi0Szv.IlOqYAwtPpPYPKmLHjPyP3jc_"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911057ad09f9d6d4';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\/5281903467?__cf_chl_rt_tk=UJlmLBRNZ8FlbFaETyu.AqZ8aRZy.x1k0r2MbgD_Crs-1739402774-1.0.1.1-ZyVz5PfD.WrcY_8hpYpWyv25oqFfKSGhe_M_dxwTH0Q" + 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
