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://blog-239404819245.mit-edu.top/post/0657198243

  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,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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-239404819245.mit-edu.top",cType: 'managed',cRay: '90f17036fa8481b7',cH: 'n_okZOKTgnYQYeqBgZp77a9HWqTPuOYpyYQrDswcTbc-1739078721-1.2.1.1-W.MH3QkPTynZaEgKr_1Z.y_VA7oXRLnrO.s.CyWWDZqKLVWuHtw36QIViklaplfH',cUPMDTk: "\/post\/0657198243?__cf_chl_tk=p53uk6xN_4E_GrY_FMY7RkHysT5Bnb6epyABaeCG1qI-1739078721-1.0.1.1-xuhppzhz9LBUjrx6oUOvW.gfR_K6ODHpe6BMc6v_Xm8",cFPWv: 'g',cITimeS: '1739078721',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0657198243?__cf_chl_f_tk=p53uk6xN_4E_GrY_FMY7RkHysT5Bnb6epyABaeCG1qI-1739078721-1.0.1.1-xuhppzhz9LBUjrx6oUOvW.gfR_K6ODHpe6BMc6v_Xm8",md: "tzPV7GdOU54kTMARTXsV8Qi1MkyxknM7A7arHTSew.8-1739078721-1.2.1.1-x8m_bVXcZMJ2Nuz45QvVoS0c.ZbIl16RcQ3KBAc0LvQNQ0cMZkDOjSX.wzAqNxSH74WDcbECanPNGa9h5zjhjhaZjgkIdEInPweDPfqI99lsjxH4pXdtcsfq7nRPxGRYiTsIk5Lz7K.Xu9KGIKliEAPlQy6nE44DmQLXA2zKjGX533yX3vqm0CxHB34rRgstSpRqXRDKbcu2m_a.YFy2rIAprAzhXW1kdhN2q0nUY.uLsAdzu57wx6OFZwIuP65kzOW3aTEzNKOQ.ccgHHtzqTiQ.JNt.JN6ZknjxgxbkfJJJtLkodZ0143VivLlhWFLNMswCIoSLBV2LTKjF2LQHYUD441xzmACZcl_wslYitnZzNg9D751_Aa0hl43ELibStq.gO08E.ZG2_F0NeLl4PNK9M1.juisJRnAPQCCuBHxJaYpj3eRwdCqC9bGkRhYxvQNzN9rnENLNwxkCDCtrpylbfyj2EQRoV6nB.uUfVV5ZIkAROMuyayHvIBkQXCQmIcVd9eAWxhn4o_zrvhbgunvYfDRi6F.vnZD3nWuAbESPzIFa5mvrs1PFi1qy40Cgd0lTi39mxZWB32Op_0VeFsngVw6dfkJCJQ5cydxmNLTu9H07ZJmThPYgtVtgzXa4yAMpr12yIUduoQVaDcW.DDhkmxShPgr1UMlurReiH.c.x17._mdGWQSlcFMpL4NYlalIP5Iw2AmgDFRjubl5f9WmYNcGRIHMtqhdlwkcsQYZ062LoOhflLH_ee0uEjxm6v6Q5dZOiSax9G2530dUezDL9CsSFuKZ.yT0t3SwMCsPSU122b.IUsBFi1z2AkLdfA6PFigNp_f_cPLYwVp9LMTP..WC6ly3UwQKIcZbOD4ygxiJ5O1yaW_NbsEG6TRzmIOVSO9kKVr6mh_iQ0SgHlWpog9uHZPn.fqL6U_hHekTjXrzl5UL2zTa7qfp9r0ByceoItI8F5E.jDkXF92aNVWEnjqSPZGqErE4Vbsy1ibaEG5iZHMY3PUX8JEJt7BA9x_Dcoyz3qGqFYxbfHYlU477jcuJaRWxJ5D.9euGhBJzkzU9AUExcBm9m_Vu_QmennwN4aRS6IHE0tP4xoI8OCeaAWp7EU4dpz6x6_M2CL4EkYiFxHUqLua68bcyOB1tYM7MHupXlGSKN3a4SuzgtN2smKsDBXkW27BFnsVu6jLcrRChNN7olmA2eRl.axzob6l1OYQ6Rq2hg2xt43qkrLyjBdiMR35EPF2lh1kOvU9vMzFhmPnv.HW3aHvGqLaDmyOt5kDGUL2XX2IpueKyTRIiq6Yp1GB.hF9jpj6iguYxiCNpJTSvrUywbLpyCVsmmT6HzzeyIvbqETSqYu1F8k2p96UhwwRQNcX8TkJc63CBXKpTJWQMeiDhTZ1z7GtU_PHyEIsA8SJKxZaQsPgqVlftZ3o.fN8qYk5GasCkvyTDzVJDyIDBlh8PK35z4F8DERqoQm_Bg5V0X9iDQHSJVuzfphOZvIgBuiI.F7tRphQhpRS7x_J_T2WHzxBeGuEL8dEdy2Ut3ieIjBc..YeiP21uUb0gbbXTQJZFpCXDvnTGAYxiTNFJtFXRyzLjjShz.LAo_b.AK73dxrNuziByUSgbymPKIl2AOgk2iCwTQwKZjFPL0GFTjrwz2nbAAUs9923Woc5lUTEgoYo4wdOtcZYZfhpNFNT.JBFKFYzmTFUgl3wqum6LUwvirXuVEvzKfURwrgQGa3POoKLzE7RmR0TpqbprvQ0WDRbqvGe8wwaNwnKj00Hi2ewZ.Omdbmi1g44lbCKhtNTVYNtChCqNc16VmCZt7EwcImfGVlgY.Aw7BtsKhWL9EzsmTdK10hwqSyZLEeEQVAgP5.KJhXlRHdrfP9k4inKVKV3NplUekDPKMRZBIMP6xtYmOPySRZOuXXQvQrRvWWDhP3FCxqsGXtx3HL_QSvH.E41hGYfL4OLhVIMbCqp2rg_0Wzt93d67DgW9YP74bqcDGYKIQjg4Nb7M_NupeNJMox60UzWcHVjRtMtjc4ArFqK8ApVmwwzWuCSKtdMXczWnC5Sb0._AUZH1UGv6hCrTVlyH.jbR3HFX6cL3hStxsBJnTi71VR5b_mMdd53vYgOJqdN6k5tWLBBBRqO18lHi6pILUKGelx9WQjvWY8ezcGoSauyoPMmGgBmhmWPgPQvBxExuyLSimzTgGRUaA8rYThdquu60SOzK6Au37K.R5.m_3JObL1p",mdrd: "HTGRewXdQNwIP7ae.oo9r5FKFi7w4jZZ_xXKCUFZlkw-1739078721-1.2.1.1-ZwAFket3NaltFlhjFLSWwM4FVWII38ySttN7OtGovipVUNMmNt_EfWqmrjnRSM6rNyhVe2M6P5HDOV1CtxQcDuEzBaSQFIL9gSL0pBmkpXxqVl4ausBrzQqbqvQA2WjQJ8wO9Okru3ZC2laZ6GVSX4qdDBxYKOE2SPBl_Ha6J6H6F8y_CEh9_JuVFojV7kduz8rnVGUIUY3V8WiLkJ9YfuVTs5SjhZ7nuXGHH2.n1xe0bZuL2EwaftB42iGsFoYXa4jKznzk3oZKTwHaR4VF_oUgSDDlPLHqID9LEOK76xvMc6TytX0GzDhyCeKnmO_HoS.IzoKw0QIf635xcJGibKfsqiHBmPR5qptE_puVCyRnf.pa9efWQ8qQ39JmCT7za.YbteutEMzUB1yMRhs_EulNmFKb8n3jXFTf8yyNGjbo.V8nGCuJvOgRGIZytFojsZ8SKTDSqvN2ewVBGBisy9Q5KAHaXdi2raFi771P6UpL1jr1Vt7IYh_EOFWb3T.x9EXT6_NhT8mkTXofTKEAcIGdSA3LWIws6yWBbiX9G5XYI8ORAcOI1L_lmL63PFB4PNexAckXV0_4QjY36L4r2PrCW9TqGkOznBK6Xp690utm3xgZp1wtpW2XXoaeF5PXdYhi2bgwIFOqXcoygsueCxuZAkw88zk2ISJTeVB0YeT.dn4UL0XmvoMoRNEDvEQb_V4Yx7zB5H7xc9EVj0HpI54b.en7qDv9FsMFmfreqMxQstogfvETi928EPNmAQJMR9ahf7h7iyXY_R3WiaWlQfvcBbf_XriybN294COTMjB89DDvSfArVqAo8eq0rh7O83DiwidzJeqKFw2.LbCyZ8zetmvS8t7yDrV.RF2ZTCKivzN6tgKHCbsKCAjW7od9bhnbbHW34hjZLvc2q5kDOsidoBiMovMFG0B7Jv0XWUy3Cl7vMjXC7c.pXIhaFPAgdYw6liAJ3nOfcJrRnTsduoHD4XGR4wCWe4KbzBbYOvztTIOAHLtPEdy.rd8MKL0vz3iZvLU9hP35MUtlUbtQCKSrQJNUkl6kqbphr6EAo3CUeEE1uoqsahI3H.a9kgCuYAlQk95owLtoSQV9uXv1ZGX68Hmz1Czuyyy92T0Dx7bSJNgOfj4QHyfaLaSr4kGpFgC79c_fZnzHCGOa60m2noj6kHmpXPMKQSzAzx4nfXu6D4etqWihjpC1u.xZ1Y0jCm0VXkUr_QSbT9qAQjlpbWVVWQ3CPSJxAkfBTApG3s9DdiDd9lDEdkzI5yS1ST439gUaQPZ7AvjgkZifYTKUISy_Ww2IpvDnbjqX49ky2X2Os6vSuCOstFB.fELmnYsa1Hy_2V.ilLFR4rPiYYn0zGNSwfrWuF9NGlSqq7FzkXYaUiLSKm6_RTZmAKzyFeWuqOMRHGGoIjnYtaR7hRT23nl9Gz_QjhzP4E4ZRuKdoiDq69qmY6Isjlbs_YiYoNUiREyd9OmTnE3kqa1xTowrbhi95cD4sNAvLwjT.bJYGkAEFvN7GYihm.wh2TVzLtPHXoD_GlrC_xE3mCbzx_CJE8L4rLYIW4Rc60wc8QaaL6zGS5hxV6Jn3r.WcskBoZQcS7IeKWUYVjJ.P_7n3vNB8VEz3ROEqms4YPphCHZG6ROB4GEKW3jSZbMqh1fCcr7T5QlaiK15pEbEZxrFO7Lb1lWcib2H8ATeIMegKA.jo7JuucDNutdczw1aCEIvi85Dx3TKRGQ8SXyi5Nh_fHTU82EL5gau_Dzy4UgliHp_UvzdD_WK8OT2wxZm4MVC52ywz6WAOPGDZyjejb2R8lwGy2WTLA4M9OdY_Y9TSTpBN.A"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f17036fa8481b7';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\/0657198243?__cf_chl_rt_tk=p53uk6xN_4E_GrY_FMY7RkHysT5Bnb6epyABaeCG1qI-1739078721-1.0.1.1-xuhppzhz9LBUjrx6oUOvW.gfR_K6ODHpe6BMc6v_Xm8" + 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