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-577507787385.mit-edu.top",cType: 'managed',cRay: '90fbd0cd7a133adb',cH: 'GErpep1XmqYNTxsFOBQ_54zQiGL7QdcunwA0padFa4I-1739187534-1.2.1.1-XyekfVN2VPR8Q_2eNYSnAZxGgIvQibuqH0X3sc_wkbA0L7198NXP0Eo_9OVEfs5F',cUPMDTk: "\/post\/8374502691?__cf_chl_tk=bAKl_biDiz1dhdCPmr_MpSsR1s9DHb94XEjc5OKwb4Q-1739187534-1.0.1.1-A9bJDfOudwBVPOxOWcN979J7Nl.bmTq_XBol_LuUK.Q",cFPWv: 'g',cITimeS: '1739187534',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8374502691?__cf_chl_f_tk=bAKl_biDiz1dhdCPmr_MpSsR1s9DHb94XEjc5OKwb4Q-1739187534-1.0.1.1-A9bJDfOudwBVPOxOWcN979J7Nl.bmTq_XBol_LuUK.Q",md: "ws4Vt78xgiIj18juf002Z6WCa8sYGhUC7PLOvxU1ko8-1739187534-1.2.1.1-RSJB8dIPvY3ZvBxZq_On0f6KWynd3nP0tVUdFWdrGdijO8rHUZVYv57mYli4m9kbN_5FJe2QFVVpghOqb_nJHVRoxZvV0Mx.lQxqnRrChg1OUd7fTvVnU.1OEUhgd4hB2QVsIfKndpueZJVmOzMsix4_KBgiUdyoppceOhmDyi95f1zIZei4smu9ENEHFAVcT9KVWl.8dGnvQ7yvoxhuZPRG.IbmDUfDpbRpjPcHl4UUlhhOZQ6aYw3nBr6UhwOANc8BBE.BxXTCvdDVOx0F8uiUQo85ja8obgGZ_wQfxHwpbhdAET0kr.RDFNsHpjaceCavvZEu.TDjSyxkWlHESDKdkb9mvr6Yg5t961ZE.ZMrv9jHrqwPdocPSsSGs7kmV7eR.SSMLX8V4BNkg3riRfW_WAjExu4m7hteKqjp71f.XH9vACNsvx_QMH1ayky_uRsOMTq3XYd8WJUsLrlIq1_YWdCCBfBdSrzBDQ6tkZPKN5orsFXtKpGrk0gDjlKra2azgYT7hrEJV2Aig8D7xYgqsv3DMtFja6v9IbaTYZ1CHTzaE4Pfl4DsJZ9l4exw1y60N3Rh.nDLURUm89pc_xe1hPFGz6KcS.9exmjpkM22kLZ0RTkA_wLyVohdEdMHe3oUpNqR1prPf0VoUPHWB4apTw8JynnsJv.yiqnEsnfuKcPcAFd8rfSE1XuT69nIWaHr6F7_XX_BH2IfhbNyWG4QPAW42cPjXq9o2Bg2vOueRZlUIoQAPTEVMGFy9GWdDqs4SsGbotrsqrWERsUT_4gUkU3hPVqagahMGONwQHXt3aNSXLDu4BPwsd4Rocvd3Uq5uyKogb7ILLdmU6dInipw9hsH6i5cSO6YSILGH.g0n0rcaXTe9fMYTnr5fEqs.R1.wimlEggzcHtD.p4q8T91FYCJWbzcqYQNjrkjhX2Gv3E_kjk5u03BZxaJNWwejdWyg5plDzDa7eKbblJRuZbH3o9g2LAxl8qHUDAnuUHKQqLOR4wu8Z7VcuORzaSDK5.OdkQcriuTVx.sZyoOmjCZHeKAc_wh7hokVZcmN5furJ1D79TRA1n1HP7IWS7JYtx3mEJOt7PdLEl4ABHH33bZxggwcEzNY0BewMWcvN4xT3557GTDl1SpVTY5.X65NFd5ryStdxgdJZ2uVHQa5ewtSCjC55q4HN3snJbGwZM1fFI3_O4PRxPUWCa_fmmlgQ792iRKw6iH3DmYGRTjlzgnoPSkcF7m9YzN.pUTpP9wr.Fr04k4suGP39wIem27_FgVdu2z72ktumddmq.ew8iOHhkWnS_DEEqbbfGDx6tjGXHU6bu.vOuw1sJSuGxLbmPz8ZlRteVmf9mnRMyEcnGsFDaU2zOoEnY_bWJpUNF0txQ94EsfIKv8J0.3rqJIDUspigCVE0Uy6jZ0vP.LVO7Vfcb6WaV6C0yaDwbWoXo2eozAGSYESLZasjf35VVEo12ViqHtL1DX0VVkwrSt5_GoFfbRXlWoQuCk_03KbnDR_36Cuw_15lCZ3P_QHSlRXFeDnp0dek2GpLFjQDTCCoFbVQ6N.WFIfrN8f3bpwy7XUkVACiYZZYnCww2mWRdygoxapw1RsWAAn0jUIbUA90a.5KW.G8koEYXRy9i5m.ZmpXb8nzYeerEQwM4Ty.KIhRqWvq.dV0fD6F_sEmK.t_EOvOVFL0p2cB9u1WhHpWABX6FzjJOR0307gNJez1PrcCOmweR7unfp4PXLTMShyAeNKlBCPBjYEPyNhgmVlLZ_H1U5paDY5_Be.dcgI86oBK.mwUhMNnoAADtev0ph1CdIX_N6.xVG4DMwOgZ.kvPDqJ.G3nj9v4bvQAh3F1zw7rnwc2QV874584m3FGJt8YnHZOE40WzYkC7uJEx5MkoiIFzog7qHpxZgBz_sfkZlvVTObCpmjpxenX88yT.8fCI3cnp9F5hWnWCFERXOvw9sreHwiyczLvbV6FT8iOOPxSZ_sdUgmAWjFzXXJvmtpBss9DDcorZ1XuCC36tswcR55T1vWTB9wIAf4NCKW32QdLkLvFg.fgDa9aRYn7NnMPoMybnRXtox0znTiqHZwBo1gdV79CavWbTGMlAbt43KY3qem86_o7fXozdHlaBv2ZkpcJB13kOEHNHGo5AyulpeDB9bF4esqsD8c8n0BKJZrkiJMmAsvG4ShFHxFTjBAVESq7JmCzlLnxCYeqIEiFz_xh7o76ArecxKcEcdzn8y",mdrd: "AH4jWbeO1O7BCpOI1Q3Bvs6GgTaQtL5DTRaIJBgqWw8-1739187534-1.2.1.1-ybbFfN2ZNNIpEoyQ5uTjtDDj_bkqHZxu9B9YOH7AN1DuV.Zs.f_PZxhLkmkHLWplabLpM5d7s88G_kKd002UAG.dgmyQUAzmo7.Gufnk0sliJsE8lL4LNX31MGj0LyygcrZ9GX6FdTVwxTRNLvM0URrcmS1_JIzSf5KhHz1tgA.XAnXvzdfTBkISurTSWnyjVdez4s7F6eo6bUqzdfYEMtSByrssoF6T7fm3MlCW5vWxpXnLkxzHw0Swj2qEg30B80DgNWkNxvxCnPK0DK2yIV8e8aSP_eSaxHa1pb16zEW1xDTf8JZB_7bnmIK2JuA.kYra6.fWdKTWGA44wOtf_Mg1EplE.StPSqx.l0nd6AxJcOWSL.aVxT9CKoKo4ADm4xlIJGnhtwuNHAwzY8rWVdExbN6jcd.z.2S6eO0Wjp_xIAaC17VC.Rx7C7EuIYfjiJLHFKOax3Exw4riBjda3Ydz1_91SY_KxL2BqmBKVdi1NTEGYwBruz3euFZvo9jw0kL7XvRqwyTl67EbRPpJTwlFM2aDcESiQ.7m3Ecqn76HUYM3npzpippZW14zlz0wzFPNs4VvqLzpGeualuR0EbzumpsJ9_oeX9tVne.ArB8S_G5zPkKlY5C.rl9HzpCEd.qnDxtSf1smo5lvrJtOwLM4BfiAQjAjcmCoMEvXsDNTv2QohklWeKoAdrsmnp_oIbkPeXlx3QXRGdYj5QBvgMMDnLKs_AfF4TwSlHhsMwkvpnksqI4IQBOdJuRBrhr1_DuaBHJ82LSfidqpIy3KXGsQx8Qg7Bc5fGYADr8lHnVPDHuumXrM0doWy4QTugw37kpUgVzhs2a7QjhNo7UXH5aJgQ7tqotafv5PKdONIz1_U8xnLlGl4FQCvTCohG1UTFttVeiCxA9RfFdzKJKCe0u.8spjQPm9YrMUFjXbKr0VdYWH4sjPQr_WWMwPk0c6OzPt4NyLDOwE3QTuefTr5b3ANVn8sGTd_FMyWOnGr9_g8fRh6oNHJ2HWuxGqTz9aKIzkxI95wGOoBkr7_DmdornLvKT1hu.2I._BjMUlepuFERleBIN46scco.iPVQ7fQOtS.FDct.qRsU8HQ4lKIlPx1Qw.xSZ7NGL_mbPiAQXkWZ2ubwWqnt6fFURXM8POIi3GcOLw60TTHqkX36FK622cdprMXbGpVgOzgKglGoHIJaO0ZDNhVxSxs.kCyerTUnULiApwb4SvAvEaB6Rnhk.tvm_T4ANGycpjqnMGEfE8EPfGuzsJSImlg.QEc817JHUhR6zq2Z11WLGtPgKAiDqIsrSLvoFGLGWbKNN60Vq8Y4btHg3ABJ9HIBKXsN.cdFSNwjh2ceYJBYyIw0DWo7oqAsKGe2L6gwLvgziXW.49nO55RYZejYKQDHpg2GCFWZkTbJ_.3XPHuATHcmWLE7TILjnOW6nIWSFiXr09FkHZ7CkWl_vofzFDQvDQMCJW7pWLeIokFdcVu2Oa.lPHV8T09onOu_9yfB.V9sR5dbR4O6qMyeuNA0RExIFwKNwzBtI3UU5DpL6bsRWH3uXtGxJNMbogA_Kw_zXwT7Q4NbfktyFK9oUy4rMXlOW7lAbxcfm7IHcM7RXpNx3b4c.s5Z.O5AqfFcAuEORyH5dMTytar9r5Dp1B6X8KhO8iEFn7SJ7vXIUzUjnD8cFsZ.HbvEwBr9UzRWZp0wCzDoLhueUhPkWZXeP779uMBZDketruFfY5B4Y4ustVglx2JuKef0VaVXwksALTxbrwvkPNIKmtDOCpX3fUr674.mDyfX17ydeL0vnpiR7rH_kXDJu.TbUjZbQ_2F6biDiOfvSEseI"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fbd0cd7a133adb';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\/8374502691?__cf_chl_rt_tk=bAKl_biDiz1dhdCPmr_MpSsR1s9DHb94XEjc5OKwb4Q-1739187534-1.0.1.1-A9bJDfOudwBVPOxOWcN979J7Nl.bmTq_XBol_LuUK.Q" + 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
