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-901826870620.mit-edu.top",cType: 'managed',cRay: '90f6504aa82ac98c',cH: 'rvhGMkYU5SeTsBTr95iKLcCjoQ3aQu4piQJi0Jl9wjo-1739129842-1.2.1.1-sDwBriJc1Tq6XCGMmr4ORvCsulkQhOSWLI8bRNqEFAaHt_uxJatSPdNXJoo40r7o',cUPMDTk: "\/post\/7842560319?__cf_chl_tk=rZsV6Y7o_I60e6meGFZJPsV8dU9tRJhS08FAHP.NPKE-1739129842-1.0.1.1-ObvwFV4QBwBjsGQDn0uv1ZO1pUxbgPKl1Q6GK1OzH58",cFPWv: 'g',cITimeS: '1739129842',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7842560319?__cf_chl_f_tk=rZsV6Y7o_I60e6meGFZJPsV8dU9tRJhS08FAHP.NPKE-1739129842-1.0.1.1-ObvwFV4QBwBjsGQDn0uv1ZO1pUxbgPKl1Q6GK1OzH58",md: "OwNff6nh_gg6ewGbcsG74VbhWOnKBe6zxr6JtMb_bBI-1739129842-1.2.1.1-T7BrIGj77FVp.qkZu6kD27hkH4rlc2_.IMcxOwtH01OrrM2NcqOCMEqXU69FCepLBjTPGOvFbTNIJdA4hp1ZiCPWB3TUHglBnt.qT5NNfFqMW92FH3yYPTUwDBl.gslVtd6MRuuhjGz8gUO1m2AN7lD.FXB9H9zwFXhtN9Yk5CjWXr6PpHdq_q_GOdmtdcieFS0C6N48YswFpKKy0LeAJ3Cmdg3KDKmbDSAWwzqpBNCqPGbhKquxWI0.DZnVgatK_g33vAWSJLnBNY_yI4Vm3467wyCf104.pE7VtXGHaOeeMw9iwMgKKO2h15nfoei.NwoyEW.lv7Wo1QAso81QoePWUaF_hYBQJKG_7sAiFmIFeUow_XDzXTVRZmKoMX3_JF0gDh9G7y7MuLt25Lr9aNtwJcrk.YGbJ_2I3QdzXivOKzkc_OfsUY9bcT6cdC5SVKifou.Z.Kys3krgGiUWFxiltn5pgoRz_XMDVaXfblb.BtxRUR81Lk9Ecy2obmd_avee3h8YaSx6sD0dKTrNWG8EmYrZkDBq6FTieC1GTi5QaI_qj6jNqOgeVHyOCqplmn7lxfCTqaNvwRw0cF1ofHqpa4jyit6Mkg2jmV_ScYIfqg9abHG9tveZRwb9HGjr2pvLtaglQ36AFdRkQDw.3c62tXFyUNLoDLiz2K4ncA_xdxlTXoEJbySoN5G8BYR2S1Onzvta3ffCHopGfnNlFb.PCv9h4lmXL3EDtsTfAlnQ69vP2xVwiwPajm5Jcqh_lqHWeQz2ru7PG_QNsMXmngurdCBBRMPUzr_MoMUAtHqnHXyDTgLbxOSBULVRH5nIVuSgz17fCITyUTxs3SMmbBkb85_I9mSofx.2x6EqhfShc9vLbFtZa9y7d7DslUTJEOgZYLBiEXxZ6U4NIK3L8H7yLKhSj4pUzyma9VAYe1Mn_1rjgiqXXjY0sqZngFuBHfZDBgF9JY8ZtY1X8dVFG9gR8oty7LcFjqtXZJ6LI1qXg8swhaXI9JSSp59dY0Mpza4BdDVv93jwTcPHvBGerMgZwub_CZ40KXXn7JVWfgShtOWHqr3I_cOPBJiX_MPnXVgHDgSUdxPxEzzsRBFvniXGhAehnqLceHWf2.TapCTq9GnslYYDi_npn2Hazbtc5WY1oYGJbFRzpK1InTceJfRmdWRivgDRdBc5X22L0QKHOZfQu4IEQgOLm8SJlbr2iawelhKy00xSyvWEfsCkUDC4YtqmWsdeW2_OUPkmLrAOWEJb1lfpg_AOCDc3NQ3YlNrNXLeo4mMUMaHiM46i241_vftuoBq2OY2q9uV5OvqK45BigFblh3ZFu0oOG4jvGOW4Ev.lGCzsg5RKr2JnBnYYMnB3gVMLx_KGwlE.3a3TTPLRgJ4GLA6sI9zmm.lqjMZpHaP_lgMNjJynRY22jawPWbaPz1aFXw6MgiXSuoE57sETsBSFNS4NQEwsNSlyX9X4F2ep82CLE1J2EKYFtiQQerSspoZAiavMchkOpj95xby81Rehh_U5qk3AraSj43HX3D_embkKCIQMla8GLzQSMFHWahI4iVt6m8QfQgTST0YAG8cM1zcoiMxnYy3ox3Ybud_b7bIsoQIroSlgBob.IezRzvJfAFaEu_kiyokXQnA_0z_D2redBfY8vlhXHyMkXXXXanHMygmYCjWzdR5Gzg4vGrESZ2puzAPXvXEQ4069dsVAIoyHKnOvLlTxh03tW3_noVPrUs0yXSTRm4Js7mDaKHcsIDz8ti1lD8OtRtb34WbjPNI4UfsokXCwrRvlG628CmlhCFj6lgo_ORKig8M23ilIYR_GEpkC2vTy2rFhSaBpceMd2_tXN4ZlQ0VfYIZu2emHwfgj051oAyvxQwoB5fpT4UNrdQkjU_O0FhmXhWrbNr6iiutXit4lt06zeT.ZDlHoXUmnbseN9ojQ6b06xKug_.WFpft.KEudAl19gKC4ipgUwKID9UxWLJvKs.U80BBF4V1LPyhHT3CE0Ydst_Zk23I7CeUYzMuvLXeDDimvsig.QYZ4SNiUUz0jfdj6CyeEeAsWoyi.uEfgvlNhPb1J7gCcYXArbRrgi3aguYQQR6_Az._5bozTj2lc.2vFPt2fC7PTOhdUv8LJkIdZ3gTP2pelZdZ_oF6Ft5xJ8zNWFck8mrjeUtwAccxj9swBqg3lELP1PJ4O3dqjlhxaIDikZJUq_3HmJx7vC5SuO_Al7jcX2SIQr4O.",mdrd: "hLzq5FWcfl1fsKQKcEJgExdIcfkc5pT1IzGyZnpjWjY-1739129842-1.2.1.1-1OngrJeLhdiins.UkU_NpLyyPMlwQFo1lw_s6ACVqGlzcTIs._.bT.wHW8w1hUxRo7Fby3BZF3PvAfpd0vIrDktsVWDS3TYITzsK8CUp5pNWD12n6Njf.eArw6oYvA8D5.4hcPB8NHGXby_RomtU.0aRXe_NvpkTyHhHlLat.zMbE73LxdmL9wokxnwQI6lKYlJHfXm38p2cg_tx5TxejAiE1AOT1rjKtvgMojAW_aR9dvndIqAVbKaCLThzgiNs.yOhtJQo6Q7z3pcYGsSNKKopbJGwSC19RTWeeaFhxQisKjEBP174Ns6RIETcZSmc97Gmdwz.jAXlWLzqkHUdTqynOLjYU_IYiYpbGFN.OHUafYjW4R6wPCNeG4u0gOHx41CsIgHOkRzUwp5hBF3VwVfMCFgIQMh08FGRsrcZ.MvZ2EabqvZxcrUxABDYD5CfkxTIBjXzkMiiafimJGZsLW1dfTZHqcsjSIHlyPMuIqUBsTE9aQotT1thm.KQfSyNuF4mg0BwfkV9hFUPQ_mvZpQyopgOvZviY2gg32UoZ7wDGnMEbDhgtmYPjbFGBLaGw3UrCl.m.PMtAH8b96iKiJqwFHtNA1BOvnZwTcTDjsGllCZ9pGKJtC.3yPvgOH7KHGwC2AxlZm63jwsW4koiAjhK0SlAoMVfzqKMOWG1YTtBQfiJqU8mVlnXaKRG1PnER7XVtg1hQCZ.qn2Nr9QN4kdRpgOoBBFFDh1p59.lvP8EmXkWUUueCa4FhcLQe4PE38MLlK6gRLZlQtI1CEV8875a9VJfs4gpOq2K8IK65eruz.Qgo2c4JNB_YNIpGp3aSwppa87UQQ3JdJgtg1_VFf4o0EN6DTiJqUKWn5yvC3mnJKWKaHNze.NeqYqUnEc9ny.UYeHS_mdJRrmPxYfuWx3X6XSiCdmEw5v_3GKu.J25nIal1VgW9q1nHHLwlYziXQDDFKVcIIQnpEsQmWyO5KxUskyJQ8Ti9iv2eOfuo6PteXtPyHk_YqcrgIFpvmumtktOcFyU.z3LSvgTTT2FLQcv96OBJMAGzogiFPrj9uysS1TiPNytIqLKQHNO64scnlzKyj.dIVv.RfExX6ZpZxAdgmFMxp.pMuUUWVZeiRmy2zImVEXuLOap_8g.BrrhFFsqRVyzonnX.dmR5rbPkEQtyUWv3lu8ikgyLm2Q6hP5YBqQw1cTTJxdtetWOQw7Qu8qu4cKSS4IOj8UxDd0gy85fq1_h.C6g.6hBPfeLdOdpw3N2tO4gvF6JhT9rr_TZryCWn12IZ.dXnnKF6xAtLH8zZ6EE6Pg6bziKshWWC_h5OWFZAyFNAOPPOZxNP5RJi1415QNJG7C3lDzd0dgfQjX7Yf8bVs43HY2CD.i.8UD_Eg4URiLXCFd4JgJCs19sUuII9UQ_ULdrIYr3YcCHMS08o7F3KV5zX2JNxfMJWWiGCOrVw5laiJXXxumauV6NslGjMC.sQOTkHrqdOApA4P0TIhP6BisDcKaex9tlPFvatPxJATH.tZKis8VyIui.Sb2OvcRKviz8FYIrfNC1XhDouXsF7idsezsNQlzNo5nTyiRaiL7JNzf09kNM5o9FaJ063aUx1.p7ZN50pzS3yTQpujGTAD4P5UdMbtvWLh_cg.1HZDFFQA8GFzE2rsICf7TmETwQFnbum7Ogi85H_ddyDNKgqS6dAbWWufLTEEn6aMsnXLyh1nHlfJsFI.SYx1X4WoZb4EPuJJYtaSGiU2xW2O6lAtRlSybB6UitWc3rXcm5y27SNWiR6PBm.tYucdso0cAe72sqsNM9bm25WB0.JGrzHH2Cvzr1I3Jdjo"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f6504aa82ac98c';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\/7842560319?__cf_chl_rt_tk=rZsV6Y7o_I60e6meGFZJPsV8dU9tRJhS08FAHP.NPKE-1739129842-1.0.1.1-ObvwFV4QBwBjsGQDn0uv1ZO1pUxbgPKl1Q6GK1OzH58" + 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