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.

Source: https://627475.mit-edu.top/post/0351784926

  1. <!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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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: "627475.mit-edu.top",cType: 'managed',cRay: '90f37da9c8761ffd',cH: '9DGfkZeAla8CM_GqlC0APxnNIgdyneQgEfCYC6FCn9Y-1739100243-1.2.1.1-ryG2o2vfyT77sxfVu.TkknKnwN1MHqVEuXEzobUCewayns1GZ0aQUnPDbi.DbjXr',cUPMDTk: "\/post\/0351784926?__cf_chl_tk=MJbQCwgWmyjVKiff__LU6pdIzl9mWwT7RFmxsTMHYYk-1739100243-1.0.1.1-7qjsmHiU4pbxFJfxmRyTTTuy6JL8sR2JBN7q0To9aMo",cFPWv: 'g',cITimeS: '1739100243',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0351784926?__cf_chl_f_tk=MJbQCwgWmyjVKiff__LU6pdIzl9mWwT7RFmxsTMHYYk-1739100243-1.0.1.1-7qjsmHiU4pbxFJfxmRyTTTuy6JL8sR2JBN7q0To9aMo",md: "wlz0Xttb.JyxvHs31ckvFs2Y4KrbPtR3.PTBo6lcc4Q-1739100243-1.2.1.1-p8Mj0Q64E0YvWv77dfmPEtLVeRVZi_.Sok_abaQQ.gQfZHXcZ._VDYwNGUQtav7S6hp.wR_sd86bR2nfzvytrdjMArOWoQ.jaEp9VndWFemSbMA6G13Falf5.gVEyw24NFr6hpY5Av7jnx5GLMpTab7JtBHuZ8GRCsuDtpw.6.UDfNxQP_LTC3ySx1g4rPrVwL4kyTvYOTZWQ55MHJLIrXnGPGV.blhf7qiPfpE0RgUeQPFaMM.g_yzmyHGpgBPXeh2A7EWlMohQHWJTObnWKBmXZjczC0bTFaRNZcgMBpQCbdk8Q0T2qKgxs9CrnUiJwm.0jQPqNYRHja7lNyc85PsaDRpj7ZR7mVTjhL5D.8V5m8uT_pxNEQKgpzC.2pmA_K1eLd92Gf4OMJ_OLLlBlEJMXwPYJ.4AYvdifOvaljwuR8tWqsqTI3eT1Rciw8pXN61pG.qUjUNlf3I4gaW2deRW0n3h0JLbi7ZbcOa27LyzalxQwQ1pY1p.vaEIYw44ZEn4tyJ2uXribOYQJSGEMNKx7KIr6kvIe.4O.d9_b1xRejooAVvh1Ppq64Qeh1SpeZ_ZfjRf4EYk42wcmirH4U1wnTbfvvgacye1wUabq9xKSPygeMczsnNNmQQANSN4UvSxCBrbDnqW07eK0eiJwq.PQrPWAjnSEBUcW.fAhp0hHzlHEDEUmHo9fP2QZVK9U.5sSE6ccU.arVvJp70x3dc.4tjjVC0gu0XPHPU6qEuy8TVY9S9fCzbtO50mRNFPCsEeQH8oX.Nzy._5PUTAUv1EN5noYUsQc5dFjy3fNr7DBVuTtuwDk1l4EcxGzo5obrbh43c9rpj7lqpa1EeBs6X6ngSZCBYZ8VCcuQGN.W.btWWCx8keSkpoMjBhBB2A7LyjZbbYT5vKlK3T8xxf27pkSxjLhzpAr2KhNuSt4ONmCQxu1RnaTyGZXfdXKstmCQpBTlXbJNSC7OV95nT1WKjTUmEO4KJXd.86Xp.vZ4a_1PsdHY4kTUi7ba1s0INzEczveQrWjlYPR6CLL0QM.NKeiS1UrYykMMALLUiYYVnEVJMMXME7T62.gOB5exRYIKxZm_5AoKFWy1ToU4z2gmvmXerc_IBAzG42suaNxDhW6eHRVOzmt3ba4vvUOGPw7_Oa2GaDpEcSFtsN0a8hM.GqEoXeAZJ8JkCUJInyHTIwWtzU5HW2dAhtAFfy5vd3apf3QD9HovnyyCz.WgKrB9Zq0p1pCfqJReemC8n6o_EEiH48XsZ9eKWv9hbpfft4Ys9lC4FgRKNwuiYEdzQw96As8kyTzcSt5ftw0eYOLdFKQAwbTYxVBl6cxnlgMGbuI87r3rcUH7xhgykzCSRAQ0GK94Maxk_gyoP3FptkaTAnhauzHyXOpcConfwhwPPjb4lmFV.PhMxFGP5ovN3VLG3l9O0OpEMzIRQA6GsigrIBtlUOzcmNsR3nU9DCFHhCmyt7Nrim3mrVLjjQeoTPZk5mJnOVu31ZEGJe0pPvLIsbfvb4hMVniwoo.IV1I8.lAayugr43ANOHCGsSZRGBvkOpOBJu_z440xkCpmEnhJ3XpURYVAxXXdUsDPx3X3y3Z1UovVxkVoZo6wxlwMyoyKBPcRbJs533NPt4oYVuFl4tuHxnjv9aoXIZsKi2fsw04Jfo_gNkNP9W1RZ6gaaIaUFaZXdeCFGPqHqWf3LjBFm5ALAWK9gFay8KZpQrxb84gSRjIGfvIUhGtfIGfCwbfLuKvJ9KlI41eLvDWTK_JIstIv9OWAdu.b3PiC_vUtZWfKp.kxskRBpKr4.nvDnjsQ1vBOEIK0a2yhvg6dzCGZ8aruzas3dsHVl.H7AxAVlgu._aqCzJeB00Yx_KdhyWPBr5UGgcgCogQKhYZkaNKvViF46gMo2XaNnIiPH1iGEWDRJBwEwIJySj0zsM9SpImtIJjD.KKJ81SZbDlMlAQb_qljgXQ1byyKL5HXg6B8WWkPVS1.ZezRJIzUKp3qKEMyNYap_US05NypbJY.Qk.sx_Y.WbBDrpb.BLP_j8DJV7Rc2oTf7N3zQKU9WMcuCfzAjuSfKmHFdCPlA6kB46ePNKIGHGjWzZvMZik7vbdeNEkvzJBpj068Tswejv2kE0hqkMiIIlC_UN7zDOWmzv9TvsqHKTP9_Kptw3oacxg63xEmO3ERU7tTBJ4LrdUIYpXHEOe3QSrmIR0d_GCz6eCRI",mdrd: "x85zXFFnaPtZNPTJRXeNVOC1PGtujYDnsHBxO2QvIIY-1739100243-1.2.1.1-MOQ5k9MNQQbt_SZwS67_2GsoyqBdkbTGiab5_T6IMHYVxHjKFv8rD2kNQKm_E8d2CUTEGXFCTeZBz.7Env2_o2BQhT_7ru2VlHt66mjvyxnuUmo.H_Y5FWHR_QalnhHNGH5RvmSrzdWtH9faMqp3hRYkJFOE5se32VkBElWoQ_fNjLIGkgNLmDytzWSLS3kBXyK1TvmkrSoVGEgUzq7UqkCWsr1oPiQW5GcPwyzLHBhr.jTuZ8Q1bcA55WydxUy4OMbD6CWOiluC51hf9LfY3Bw59o.eA7aEc2nY2CVPWDfnVpq1VyllPkUh18rSboII8mQX1_Kzp0mDuvv8x6_I8hMrIqsbkSR3oKUIPCaSDaNr0pbnwexFzlYQrHgNpmgFvQ4PK.W.E9PR2GCTIT8iGf1kZ2YlSeJIKvbeSDuzkRqchzytwWS0ubwM3zEUDo8g1urSZnQML.rbjJUwYx8uf1BdOdNWrEp6emIJh9okpNop4p3AvraL8HZWBHTCl2lk7Z5Ew2sXduTdTjypzFD.UvtKvKm8uBLlzigIr82KX5zzluwGfNxBiWc72pg48IH9ieq1xP1LTxHA23_EqYwvBVbn3y8E1ZY2dZfwmnx3Xb9.HotWQtUCEY8fAOhGzj5Z_0g67QfrQsJPZ71DQ96cywiqjlCjqqEFn_ARzlzcLLJVM2CDroAIvWfbVFQaSLM12qTMbgw3g0KJHzZcSRWzBYmVl5ukUr782rONFZUrzcMj_PyCWTXlZ1wq3z1FVyRMbOZ8CiyWmed3r4t.bOR1jCtlbpWEsl5p6jSofbFeOFySNvL0gALhYwtZPqaYDqgQjIGzClsUxWnrOTGgjwAAQSOV0JkjjzP_99QJWc6gjYb0KPLzSrnshuMjq.ImhgJr.1.Ak7ls6QhZtgLPcsKZcygNqWMmV4RpVBBFQPFIHNRtSaeTvp4ZkAiwyD46TsTzTnjXInOePJGX2pYOG.PhDInyDtCi_YbxVoNNItDpsG9CVQWbo27cKgXMa5PPKgtPuMz6AFZg8651VqLNG0JbkKG1QbC0Jr7hZi1KGyaBN5hB3Ud0yivhH798xRtlbI4hA7Q_EOYc.bqTPXEa3oNH7hfS94ogAldi.uJfpuUx5BNjmW85aX1EeArjZOgj0CZlO0hav96ttrmoY_VFIcLC26iBSosadMnFs8J9KoAWas4CEqyfdGJi9ZKKenKI4IMlRAV4tJm97hAr6QmPA6.G4V8azB7FTTbJbIu_sU9FtKJMdAAKw44oiRdvDcSW.Kqot5dWW4jE72I_UtYvY.4k7n.MOgn9u8N_ZCQdeyDzXuvX6twE4kbvKTM.d.HZoHpNxxA7VNPQmlnP4nsoe6EnNmO9SHnBiYq42yt1GJ9l0AWMjPkYLVp.fOuKn6wOQh2G_EMvEEvRXIw_xdXv1n4Y45drlhtUiEKaPGC50kFp0LkQk4pWJGWcTVrs5QI2.Cdp.CZ4MX6DAlI3JrDKVrXn8yMM4H4N5CJ98Z2Wc3vo81e9oCHYbHo5vmHHO1wLOcidxYKY7JufrY6FbJ2GbZeCk4MNpVoWW.paWwBQgZu5BXRk9ph8MAZk8nn0wnmXxVUq3GBJb.AdwLU42B2E7afsg8jaVBZf0PVM5D.gqVHU.SaTYNjdlFyay0u90my5.z1gjt8s1FwAsXw3KN4BpQUG3rKvMAPHTpprYwQbxmVEmxWHYf.ojooiC9xJSePFFE1wbsUr741gRoIFu9FrGQwwoBFV4VGcCnTbpjO.Mm2cScdfCB5HSqstYWB4pEdauryonOrF8mEhiheAv27jJIBBLg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f37da9c8761ffd';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\/0351784926?__cf_chl_rt_tk=MJbQCwgWmyjVKiff__LU6pdIzl9mWwT7RFmxsTMHYYk-1739100243-1.0.1.1-7qjsmHiU4pbxFJfxmRyTTTuy6JL8sR2JBN7q0To9aMo" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>
Copyright © 2002-9 Sam Ruby, Mark Pilgrim, Joseph Walton, and Phil Ringnalda