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-afffcsgp9.mit-edu.top/post/4078693215

  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-afffcsgp9.mit-edu.top",cType: 'managed',cRay: '911051b69ae7d6ff',cH: 'EzNbSrKtFD6N5S.igxcaDViO6t7LUUUH_lMTH1QOqdU-1739402530-1.2.1.1-oejsM0YQvCQQ67YahJGC5vC.wy8KlLbsWLJrZT9sBDoXdS6oV65xYvMTIVsca9AL',cUPMDTk: "\/post\/4078693215?__cf_chl_tk=ii8mvQIf7AUnu686kh9WX_egaKHqxGc7vyYDskomE2E-1739402530-1.0.1.1-9zDcNGuWe7mLcTQHOa.X.Xoes2auTnintz_wGonlHbc",cFPWv: 'b',cITimeS: '1739402530',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4078693215?__cf_chl_f_tk=ii8mvQIf7AUnu686kh9WX_egaKHqxGc7vyYDskomE2E-1739402530-1.0.1.1-9zDcNGuWe7mLcTQHOa.X.Xoes2auTnintz_wGonlHbc",md: "4cQwJ4huFYAx7ZcwH4hGdlQsiRKRpNUUsxBnMjYUkgg-1739402530-1.2.1.1-PYoeKW3I65.vL4l0j2jeIsptJAddh74SiyWz5VsJasvrAiwkvCKVnHr4sBWjvvl_0FWYdrU25qiDCnYonpPDAOiwr8RSuVY.zi3mrkTrtb1wP1QlLx55.qdBaAiIv8tse4q5jKJBPu916yNXSCE8I6UVUYPcn53rx5N0bU1FHNsFqAzDYviShfP_oCMy6iC.Z5LAhEXnyTWaakia66MzuuJCuM_C2LQ.HCRYXNVtnGswjiXxcJvZLqz5HI1GOdEqNzv2Qjx0C8duyEwl.mZC9M6cgQyj6PhUaYZ5ophfgI7_spt2q5VOSDCy5lu3aviHNwfy4350koFMxDV5zFH66oayNBhLw_reLM5M_EqxkPJnMRIaYcgy27EoZd0mrmjDJNFca2ISYIDfbhoCiBF_tV5RETzumKkYYO2uwxbivg6oqw3WJ59ij.T0MbvOYM0vD4M_HTmF3FIQcpL0kTL32CRfCUIbe.XwUglsIQUMV2tJRPPfXUDEB3GfMhES2d7zXj2fvtaPwjXtozmAvFC_mn6piih_fqYuMYftZZLoB6hPMF4cHQUBHpwqoMgQmwe2vVpgGL85z1z0mremhVY0Ryk10tcWTcChJGqAZUXA8wYyIZb3toMNeGGcMDuVt8EvAyoimK2pCJWHM.XT.pfZHJXbAzcG3M39h_FuW4aSs1AHithz7L61N.Uu3F.VVJw9zWY9MueH5K4HSLjzX3d_MpCLp8a3ocQbpRank8XWjSr_i2GoUSNXeY9C6NNahK7L7GXlhZyg0AFMLJuCNkngdtvU4o2RRO.sGHVnPSoPWAADGWnau1azRHJcbAnI.PvNez9C3Wt3EvPib2fSTUIJ1s6UPp0hl2nlT5rUjL4x.HZgt3.heklgzT9DALDSvG2EWJR11b8Jd35guk2ArKm3rNa7mg.Lqnif8xfxS0QIRA.Hzy1svut2_iFABqvA3PNz15OAQJDLfsY.L5PJzT0I5HQYFh1KzTzRyNUlSbWmXiIV38ksB2sBf8l0.ETUvJX3tdJJfMT.CJ7EQeQapl3_fczFBKYOi6yoHkxzha9OEg1t1hI.SGbg4RwVHtcI8lQ6JIsnMb0wBzmG7kp8rlifXgaEsx77LS_OiQgsyPVllZRlKqmWV8.AD_KuW0PXICGu2rmaGzYPU7m0wD..3bAUgSYx7CFncK1OT6sBRhbnMA8iltvzZo5mWlgiwiGhUk8DkmuckCGouOmO1eBTeLkKcxPWsvY22IpUNvJmtOV3BHXtSAYBJAYL.R2Raz76xLs.P39za.QQBdh8Ubr1SGNoVZ8vDleo4LDOnBQdA2PIGWa3_rhDew8TY314nOteragi1Rz1ujiJn0_Apda8_oseQdiK0SovRjqpwqwpA.IVWyjWCseDBIqbjzul0wT5I3A047XVtedEQVunZH4bCB.YIYNfHV5DgdL.YBdDOAsGdqeDT4EO6v77LZ6J8H_x7fMNQ_W_VRFOCDlf05L47rSNUgjxrlYex7QD3pd_xKBIlT45AJhZ6QDHM8EpA1vrMW97u38qWKhCBjR2lZINfZ5qZZmZ30W4hup7ELicWLcXMK04iGxoDd2nv.rMyBa2TamNbki0Pmo3AnGn_YrGEUEI_8pWfjIKTWjcz.1KTGumQLMqFfizSQRbJV_avKB6ZaEBbBQU66ndrV8X1ILxm9PMVyKQ_rrNbopsemz1JFWxuI97NfVNS8EZq39RA4dbqX.n3Cx5e4sUSyRBKZVVIKDKb1wn5UCweBXyJapO0LlDE9IaUvGppUTn7JxMgFlRhTuKq1uzUdlW5ODAbZ0W8an6hfKBuWA6BJzBrSB6uqfckmv4XyRVLexpJyTVr7u7CdWRSbckZTdVfEOWeMFLEpBf0rBuClQz9_nidR4dfRbypGrgTVGeciSTq6ZTeJ6TGbLS56TZ52gzucNncmTM5yPK4AVlDSUGGf0LndQ_eZ1OH4VvbyHShLCCtsSYjvMTvR9sJkdg6Cal_pdlHUNutz_93D6g4muVTjGLBYo_QWwPllnI1wMCxLWPIttCHBFLVGQ.ltrT7GujP2p7RmbZK.jIffUPRRC6vdiiMOTPICceOtx3e9KkeX0w5Q90fm6.LaxIkZ.nMiZWYbcD.fsBDhSKA6ti5hMe0GMgL2HglmnwPuZcnbUYCWzaj9TNBKY16DZz7N550CTuIbJqJ0TVqPaswGJcpDWbSkZnMSZO_imRfYXlY4CGQfR.B6IGu3HSuV8o",mdrd: "x0TPN90YJxCYFmTK.KRL35XrUgca95tbHPaBscxU24w-1739402530-1.2.1.1-wmgOBhaLHxUtOR0j0lqIeoNv3Sdt8T6H1JsuzqPoC1DsBKXXaVcCYov13xj8fdyXiG3V9UbsJNbIyNEVE8dXbF4ybGJrVc5TQ3YYqrvGAezeLVwH5nUdav8KQefc9synjlk1_GjHFjSxKz5rfvWi2NhEW8tc2rHMvQhWLLH_AwxgpByGEMOSUrwiUZwOo6GcTZsg1WMuRV_AWpf2a6.cDGdbndmmuVzN0gsTOb6Kbwx2Azl2QUnPlauYc5ceiKkhbj6zuorYfOf4GBpxwGwbLbPSjLGKtwGvN.KD7PLAJOHHnShXQXL5rbpuLzlM_1bzxnAFGfvvrZ_PrC0od2EHjipS8souVZnFkOCYQYzayOfzzAuUWeU0Q4x3fQHnV09maVwwyH9UfXZFFsWje12ynummwsAHmsgvplfd09HlEyDJGw9P0Qe0Goi4sf00yDwcCxEJeCM4pcAu1TR68xHKVAdrBRz8sJVEnbVT_ig74HQ9EDAXIVdJtP1JDFXuMO2Kl_cjlVSfWiyE3p7rPmP_kFN61JRdGp5xkjPIV.XgYR5tgJK.u4w_SYZ1gPzcYk3AEpONsa_Yy7oGdFRHcytAe9gH.B6Bd3e1i99abdDIGOQbgcD3rCxXfAyBaMK_qxOGwtz5MY5D7xeL6pW8D8vnti6oXLODwEyW.0QpdYeVK.1IJyv2r4CWTygkW4A0h5dj3nTuqceaXmfyi1kw_OXhAAzzjS1PH6H4qU9jkuBVqS7oKDFeCA0MSXoVdTcbOrkMPGeVN3ubzv1B486dVi067aCpPS4w0mmNaZBybqlb_.uVAzdWfMKIBw9kUuZ5OUJ5wBVhiDrmLrtu8p6zzu_DnzpHUQ8nboEqTRwpaUbUOEvLv76CbGgUd5EPPhzT_b325qz3Xyx1wrrzZQndNTiM0nG0LPajPgoVw3k_nCvrFvniLU9ygtbanF7mp5I2dFPechNhORvpqtCBQ74GqbM13R6JiGcIHN7b7fHwWF8wzzmf1FJdgqBBrG_nKlOKxLbPB2krrDWQ_VEBLI1B0VM62oLe9qU97lVp52o8BCRCptSKMU4kaAHlJCmCG.RKe6mDWOsdt5A53kBCy1jLRbh8CXhSuGW9PEFk2RyUOyXsElp6Kcw66v9gWWZpmL0i1kKEVEWOCgbbjEFtAAsFOo.9KX51uyRysYDkBNSz9gXW3lL9v_mYwXpbrvN5gmYVGTBOTr3mT4GX3J4FDDF.o7GZeZ7e0nHiAS.4VvLEALYoMeERz7wnsncr6XmGyCux.GGLDGjm6fBPy7TSXTSQzIDpTG2nRGgtwP0DCujtAeusPqkjfVHuLk5lowH29YDMYsdRYtO8u21RrDcO2TA.Mrd6xVW9iGtFIw.yHiGa1yDvylZXggVmpeAETzdhRr3Kbww_AFcmBn59EgDn9sRxTknyPHrBSjnuHCThdaQOFCQmRJhM4yqftQa0vsBO05TwoLrdGvReTLm3onqzEfSpAlc1nfHY.UpspmPa6b0L6AwluP5DzHgnT1Rmc2jZRCXwLSWBCfTNwjdaOHqNQN_SZ3ZijQGLjWHGjTg_ON7cNzBIveW4Krf1vsPP.L6t23GnJ6JZ5bZVGoYBCd2cUoyWRmivLMS_V.aQpLbQgIH90Za_6GcQ8ofeMzTKFt1N9hvrXamlQtFAVMBZtK.1XqmT1s4_4DgI_RmQMiOyVhTp.7O3s_MVXnAtJxAwfXDVAZUS_Q3hNn5dj0DVCJRz5VGvMgQVCRdBTlW.1J_nyObTixu5mMhDFWe0WNhn_S5Uwrn8F8lSJVCMe0.rS2fAmCMn26N3WA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911051b69ae7d6ff';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\/4078693215?__cf_chl_rt_tk=ii8mvQIf7AUnu686kh9WX_egaKHqxGc7vyYDskomE2E-1739402530-1.0.1.1-9zDcNGuWe7mLcTQHOa.X.Xoes2auTnintz_wGonlHbc" + 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