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-544430291811.mit-edu.top",cType: 'managed',cRay: '9110be7b4e2f2d22',cH: 'jLb3aFJVoQBVl.qdyrSzlyxNABdie8vhKaivJkbqlSw-1739406985-1.2.1.1-tdod7eM7gnhHQcHkpt5yMN9s2Um2IlFVewk.Xg2QS5JsbP9LHnDCahwBTHMNhDVn',cUPMDTk: "\/post\/9468751302?__cf_chl_tk=AN6fs6hrs5GuTaYQuh156DxIR1D1GDzK9.ZNjHZnZpo-1739406985-1.0.1.1-9p6zLziaGcg0cq7k6bPb1uL2j1lrEd2_170TJvngZt8",cFPWv: 'b',cITimeS: '1739406985',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9468751302?__cf_chl_f_tk=AN6fs6hrs5GuTaYQuh156DxIR1D1GDzK9.ZNjHZnZpo-1739406985-1.0.1.1-9p6zLziaGcg0cq7k6bPb1uL2j1lrEd2_170TJvngZt8",md: "aJVVl1qD_4ku9o26qLUV3OFTd93ZFYCDKx4HTfGiMWE-1739406985-1.2.1.1-fpbh291s8LW0j0XMZvQbCm4Cyy_.5GoMnIN89TJeh49OgG8o2ifgtWH5uoHZ5Z2bCV.YK43kKfPtFkPz5VgosVccay.dOV5PTvmlnvFjrMnSVcoj1_e8gXG.OkL04.58mmeOH8XbDzLELWmWzWW3kkX.Tu1HBbO011eX2W3yqejMm3sFs__rB4nFZYe8HWWEIRjFgAYV8HlurHm9PpqSzdhgQ6YTxWdxyf7ez9wq2nuZ9lwYfpWZunF2byxfKBqj_R4VBbS6x8E8BeyYgLGtrIkh3_s1c5.OJlaOGNhuDGbVtnyYSVL6nO1Bs8lbi.wHYigr7JUgukecs3s5pGT9pvfTUNFiI.uKkHiFJa57uYbNucDl_hQ7OkNGw3bcluOp9epMNTqjnTSo44InYEVx4O6BJk74J6FHIVWmVSmZA6Wb95mtMLRQuKLlr9OdoHviXrgF71X6zgnYCq14FRvJf7deRyfjv00JBcwL2o2Fczb1mXmSoUOBcYHD8v1sn.spmzld20YmMXYf_DpHZoi0QTloKNLukMoO_lTK274ybz6ZnPw1s5nsBO895f6XARcRDx3LJ5YFs6yn2LXXtoUiKWBiUapLxGEIyoNp4cgH85US_2ePWLDzDylL8OxMIn6bpJ93qIxL0JtqGz0oSVRi9GzdwNRLFAG7_lxB.W.Mi5lUAn_s0O._.yxjZnCLWQlillEuTAnzUHii.3vBj6i2TVpwYkTNtUzzcGTyaxBcVeNE3PJQ5QVcdvGp4m4OWp_a8RUVHaVDmibSFQ95IknWSxIMlDjdTbUD9.GhfTYIifRFiyJKV03y1nkZNhXvMJ.WsK9uWPnAljdSsfgeBUWG.fH1jh.gHgILNhnFpxfGsMPjM4ZVTDXEdzalxHbNBZODp0S9QrULtMo7YQ5_SGEunpVoyQipSPToCY368gFsyusBk9lkK_InlQ_DQEcjJtdvZqg_DMo7VhM6arXM09_S4xUH.N1iNAzBpQv.oLSYNk2BTAMGQB1d7UHLDpcZdV.YQAodcm7bFV0GCAII1HNak865D04MP9AdG_dxFnmhNUEzUEsqKuV19RICm1UoUuyfdsSsr.Uga2SBVmX3kneJi4VhkFcl7M58uINIeVACK1nflwFG22LBp1vEypNdgfhNQAqFbS98vN_WrExgd6QxkITsA9BB.KiKcH6jbnGzTJLxAzXiNTtrRcvmKTvPqMS4vGsyJQyYjGN8QaYXoJv6J_VmOjK0wvRjMaEqXr1XHpFlEHhu0uD9A4Wp0_m7n2JWTSfhrvZwWaZs6yWcCJlIlgvP6e5uJQCNNu2IMMTdkdpQBLaJoZj90twe.mtiSKg6l9rIzAu1JFSWeNPoPIFJLRb2WdYuA0yE4iwST41bh0VLzWftmsj5J5Jxuto5.qVlGRWCp1hD.luaIqwgUYt2MdT5q0jRfSNLFlFC8qZJXiPJzRG2SP.iNfaR9TErLApeW8lbXy4Aoc85mUfEIyh2t1ovmBfBjvuiX80BL8Jr5ig6UBv0HYG.7qsRd.5P9lzbFoqbAjV1HoXRhHUm18v6NA2j14vymzKPpb.4NjmL751gI_teSphLxi4cH111tOpB.oaYAHO6KzgIqIW41zBlKybI9RzZUTWV51u7CswhCpynkc.KNFzupE_aluTQXFF4rReXFboqwhu6FjBvqzJu083CbE_F1fm2lL7Yzng_kjIHHFaLryLd66TAuKRx5rlhQHGV_3Yd.02yWG43WJbKLgUolnHUhGiwad6yP2kgA_p6qujWZwx.hPV.1n490sz1PzaJCHTKweiasZzA1wE_z5ngMFfc8LSPXq3zutKyl0aWj5PViMutIhATCVvcoe6ujG9ZY0EfIVg6GYAe.DR_oWa2A3Q39C6PMjCQWRzqr5Ky_STdZZA75tn92ywle67KWV2LqApjgdbbcHV4qEFD4iVzGoFMlfkusIdsr7nDiR30oKKaLsbMpfgCERw9nZMykr3GOkdiSl3UhDXRJ1tUHrOs5QdI31El5vQSc826TvLtOoCmxo0WqD59rMkJeTbs.qrg1Rylqzrsoq4fEQg0EeEnxo7XsxXULPmtbW5jc_.URcJlE40WKtWqIrciDP.5GCnSh86OSXb3IPqR0MP_o1WgOziqr_3tWWBzAnLMbzPVr152Rluz8UL18sq9X4Z8AZGm7DoHsC.P9wdNVGmvMIs60h8g1iMx9cJOT.ZOn0vHlLsyf0pccC0zU0lh4OmA",mdrd: "oqOHY.gOQTYWGlQ0_QhhMZ_RG9y5tEjOvc2k1DkC.nw-1739406985-1.2.1.1-G4oGlPmBUMTIb4h22JVwko2c8aO7pmFWYTf9znDoHaX0QzHnCbHK5ZpvQX2_TKLSnPQBEW4cHbMTVslFUCbEtCBRYNy20JP1pb585P8QPhFqEhHo.dDEGgyRl2VpwzLD7z4GQbr1MwspEv__sEraa1BHDkgdkEMk0neYKg0YGiFM7LSpwQDY2G8NkYvhDqMENAdDLxcyZOcsfHM_AWOlev07YEiZg2JGgGbhJeCduhdgSAsFpVqB1gEswhxzvNN78dzVMssFLQ45rz9gznhZAAcuE9hzVzQx3AcjCdMqHYeovYTrlFeo9yFtXQorQUj6dv6T6O.ZyE3plewItKLXqucB3TILVqgsuPQD6thk2EWp3Gpt9fi4eLsCSHOwHABzEt0q_FbfC8FN9aJWwr4TsdOb0vGTLujtZlFlvzBgsldm.HHWjkr9AW8xmzSxoCxDlTyXvrl6JTVMpwNBlhSijkzPkh6DaPxG60ZrpNRJPpAzP2D1bHLGFPzD8LpX4GgLLY7DZ7Hv1PXvIMO_oxvADvqwM.bgEWOyuHKzWL4nZ46TVsS9Aa6_dHDWZkqaqDhodTUCXWGhKXMJh3Jy2hVVltW674LEeO0BSLnCQrkqHO76ONIF6MhQOXVRn8UuHilaIRjVHa7uTpEHXwlKH0OgZvSkZstx9Y64pEo49iJ8P2.ssxs2vDwCgosuKe0wYWC7UNKedhCXUCFTMrD80NVsaCnx4eI_BQdyVAbgmawuRsdQ.Ah7THCbom6jV0zTS2cgoTYkb1XF3f7texRr2QUrb7RF.A7BqP42b2rLRi4JYSRtxgtNgXoHYsjpSNP4XyMRjtHcOrO0oL9LFUud6ywerUuVVjk7wRz_LuCx1UA2HREeibUbA0g0IFYnr_lcoInUXVa.WNgdSqfxy5BKQfvSRLhvZnGJ8NXWF_3IFc8w4SbtHaod0rmUzz9LdwGL1N5zMc4xI3YwtMuBhXK3nq9iayj7Myup9ewlrjUBigCLkntCDK.RSStIIvQilsQtBY8bOvVElrqhMy_8fAtcCWHhPfmjiZllRaaQfCcZVsM.Kuh1RSKs3u19cjHreWfO_T91vlmEJPqx3AO.GJW51cgyYjFRTamvKjF.dwz2Tf1TlTEdzrd_O3ickZpXOhLX.6p37.Lwp6.105HtVlBaDB0v_F9X.UDmrGvDh.AdT7L1_W5URNluGb7tBUthQmPO56Kfo8NhpYcAUsrNy9xi2OeHUwuAU1hpvNa.V0R_RAG6u9d549UObA7LtAOP44bNS7RMN4MyqLRj21bJTQev32JPYDGL3BquL8a8bigLMalMfqMxyPsHr0K_vNtKEbSxdYMMRF2AxkvmoCSd3nfBXp94SIyp3xBafijHDGj3l4a1ljcr9p7pKZuYWBXdcWU29ioQ3qtCZj2nzfjZS.MI008LgtnnQjgu7T0CxNpa8oA7aOQt0eH19a.O6I8BsMC_bs_IqGXxkzsM9Q.5eutOcysvPZUXGpzndqlHd8nMkjEEK9Q8bCmEBP_SPqA3g6r3.5h9bJP7ERGm55tCDI1.LqRn0O8.AmrrZMEmt935UvrhPD4R.FEDYmtrXrq2ihiJUTsSJDOnCP4sZOCfmPGC.l5cpIqBVZoMNJs2X7zOQpY3VlAYt2SM_satjhLsLZGnexGjCrjzXBNfN9DTIIzwrAEbjsu7IfX5tdGk7MUlg4FfOYHELEp3STHWH4jqUMbdTescXiN1v_mYO04wuO7vBH0cDz6T8snmDDl6XutE1e6mOZUhmh4KgsmUPik6AyFGCxIb6EJoFVd4GOOw7cizYIE5wBQxRwTBGIzltieBasjuT70"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110be7b4e2f2d22';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\/9468751302?__cf_chl_rt_tk=AN6fs6hrs5GuTaYQuh156DxIR1D1GDzK9.ZNjHZnZpo-1739406985-1.0.1.1-9p6zLziaGcg0cq7k6bPb1uL2j1lrEd2_170TJvngZt8" + 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