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-affl7etes.mit-edu.top/post/0678351249

  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-affl7etes.mit-edu.top",cType: 'managed',cRay: '90f8222eaca6d6d0',cH: 'X8SxGs_a3lr0QQepeOaCZ5SrACPHrIxazjfgClImIow-1739148925-1.2.1.1-uJzQicoVfk_VPrm3G4Wv6dm5pWWFJ7VU_VMBIgsao49MIxM6BN7J5fUZHCj3G6P6',cUPMDTk: "\/post\/0678351249?__cf_chl_tk=_icdAc1Z7B4IFJk5IgxVU1HuNnhQseyuHKBPAkWoKsw-1739148925-1.0.1.1-q2Gz7UD3NBQnjGTP7sX7QJRbeT4u7EwSIcuKvObE.hk",cFPWv: 'g',cITimeS: '1739148925',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0678351249?__cf_chl_f_tk=_icdAc1Z7B4IFJk5IgxVU1HuNnhQseyuHKBPAkWoKsw-1739148925-1.0.1.1-q2Gz7UD3NBQnjGTP7sX7QJRbeT4u7EwSIcuKvObE.hk",md: "9Ky_tLtVA5E6TliMGltlz4WU3y.vTDWj0A9FpiWAcso-1739148925-1.2.1.1-7AeEHubzrZFUsyAfojjKQoc1NguRE0k01IibEw3XroENMX1ttRCRRRyWlHGcsm0ymPWF.W1OYWLzUSrDQ9spFOiDRpkJTyoxmBj6pxkkBQxn.CPn.XRYFCzp8RRt0pa3yHMgH3iQBQFubKwRj1zJVcgPRQvCcyiSUg5Mz_e5vnlvjIyoid2BJ0fGBagi8xipBPbMbQuuPzURMtJ1pihQIdYTm8AAJ56KfOfeY3JQcumWP3EWfziqPeku2baydEAg46jm.N5cwFHHaGfOLs7AQKlGyhO_rrDh_hReSA9unJa9DgbZkFf6bS7Cx3CVHFuA0SuelBn15gU5v6LLRPAL.dBYZe0aL7K_wWMQNnipqrp6St6NZF21aa.URp59ztMTZVJbrkS0doU_lwtYqIkApQmf.kLANkGvMfXqfQDei3rjdlpYEtuQ431L0flgK7Ubi6OPdY4HSl4rd8MvkCAUSTaFV8JslRv7EGUyLsFxKkeaXRpTENveVYAkFXV6Qmel7U1NVQYaUllB2zPamHZTcRxwwRfTLH7DSPgJr954CbXWu9gU1oPK5HOuR1UPazkrAj2rPui.wETfCKcplcaBHQbGXdxqhi__APt5qy1SCI9LeEEII5lpZcCxhtjLoqnR8c8TuDsbbJgRpTX1LHBApAgnqGJ9CwctdmEGlsqjQ6ub.c4FA7x5E.Z.wRfl0.s_y8wuCD8ZHCVTLzGdWqrpKKpvAMOPlFWjyzTiiKATzF_Doo_RFwNRRKX_YzJ9raZOCyC0gguLoQ4c4PUPZZlc6zjJTcZAALI4Ynihp1F1v9Z.iyZiaq36nfwFzpvyfWm9vshxShK5R5sx_qdzuPBE3jz4rjhWHtnzMVl4GlPPTx4NjNTO2N92BvwOBAEjT8XfW7x_YynV.c0DTMAKP5ze890wy0kQvJJvQNCaBrMMZ1CeVQVzY.Qxx6o08Zt4c8sYXPxnM2hcALBNk4lYM9QAl53TevjAt8sB08JiMltgHUkvl.9YA9zzNb.Xvp8dWIEQezBtO_Cj1PYbDtwdcWKL6_VZIL1pswtRuisL0ltPFQ3oBiPmSPyJVAOMtp8TA2thSECWrtxLKVF8sKWcY3xF6G_j0AVDjcI0TGdAvHmLvcYw4YYeJY9dUmVjBeB3m0dNGO2duqy4RDVvrLu6yDdrbQDk22gzj0tjgC0Y9p2zvUJxPBHSztp4hHSsdkox5BFAaEEjnRomW9SlHE7lbrSWAv30ZNSZEmO9t88R_K1MfR7WNjy8FaoM2iNgtkurH9hyyWYmUzZzi.BSyLVlihoMKIpOFbtsrDzpmc48.941mLxF9vS6DD12S1A9Da1kDD4sl9CMtc8lnDP6oHfRI5u0nDW2Cos.NCHMbT4nFyWOjQsm6ZuWx_ic.iFfgl3UEPxp7RWXjLcFwP_6cB57gT_nzNsOZKNa1Vpi3xED3pewUGr_tX8SA0WiQvrbJ5jOYaxYHfpkXv6svhUZAdX3M8Zh2GcnkdckAKGyASm1.brHeVdl00dXEhHfQe2F.kMau0NZiIggTxkJ0b5KnGaBPkbpA6oUEQYl05oF8vZIPe8QHkB1INehX6tZFRK68f04KQuYcCE6TzooGE3sEiFGVthYWUgr9xWy.2czEUd44pLoWf_1Kwvl8I0p83.rWmH2Aao7ArIZMDR_Deu9I9cr3D1updgNA94GoK5.wfHukL7f2d8etOw6Pl2aoIbdarwDpz2j8CaIlD0XNftGM0QVsLx_ZRsNsKKVD.WeQf2IdLjU49Rhv92BdnmZPsjt1c9dc_46fjx7y1ncsrBysNlDl5uqv6NZBuyami5qBlx1tZ923MmSXN46BcVSEsSFN0uwKB2rfQaWqOIzrDiNelaRiHUGyNoC_4XtISC9YyNSRZOZsvEeKICUAFqqOYXwZxsq8w3RqdQIpgDWpC0ZIcgfwTnPSQeYfAq37MnYa1p0HpV5vCN03X7gCmBCJyPd5hDjLjH2cKx_hZj3LAAwY53vaHHk3XnPOjn0Sj0JnzhaUVs63JFVMRW_qx4TZ0CF0YtcNbiLLEEnoKo6SuMrLqSlRmZImkEjeaduj5gEx4aDvYGolxAYof9okb2hNU0EvSw70ZmG8QL3co2C1aLjfsx88M7UsZvKkCwxi_nGmYLUneidcfn15e7PrfuvF1wrM2XLc_QaNSz_vWRJpndzFTR31nHkXhh1cQSOxDLq2A9USXNpgghPZUd0_7oWw9KwnUdVbUkd",mdrd: "xn6hiOI.kq48hHes3jrj9xTr7jtY6CtDt36xPVVtJBg-1739148925-1.2.1.1-WD3xzphW5ObfMhcONsrl6HUnHo0mx.jH0qTLQ_pV0MPwzRbJQql5_r3mTrAxK5TINB0zpzDJT3u5ATMZyHqZjm6bo318jhBKDpUQVRo4WHbOKqO7Hy2qRJehZgo4v5RcShLAPiyhQRsQjaE8BO1KAB7yumgLJ30n46.iPGreNL5z7yTwB__9oKnvTC.NmL_n.ZPQNBT0Kc97gk5hWuQZlJijr8BYG61fmAi341nJlr5rMQ7EnvJs5EVtBPNSQvtw.HtDNLwJaqVatmvbR5mvtB73EGxs5lyQPQ24zfkQV_srovIHDhwrL3D5hcDWR4khJE2KaA0qxTZvbCbslvHHTGeAOtk6OnfC9iehhBqEuTfeMjUK7GP90FJeeDqv2rREVBenrAJlzYuWSWmvvWsdAEp68TR8RgWAMqAxN_lhK_jk.GHbLNgTY5GNqox7WpwRfWUV7pie1T89KA_wM2d5XZ.eWE7kh..If5kkyam1_Hw.8p2WXqrMnjj3.z9hxjsHVeq7wdakii9VXx9JR8lwpVWGDQ3V5DGRB.aKGG6Wt6gdrp1EJRpbLeqyrqLVsUxMZyi_QgrGuUOB7oz.j_ctXb04WMuRsTneVgsF_LsZZFYf.bFHFVC52jA0rvNT88S7l3Sgt1hMmpmHKHPTGa6p.FTQjZX885ojlgZfvmLze0fDfhvknHucw8iZdvTvrmgJaP4TQNJBlfpeRQJDMmfft7oayQUlDXzE8w3zIfGSBq3UVeUAxWrK1PfvWcZ3DLEEsb.WWdUdTdpbzyYYjO9fMFNblyfZYbTLvykPIqkm8YQUfwJr_.3Cal.biZUSvGkSiHUGRjqEY6ElcEKjA6IAg1MA8aROsAzRBLCMLePB.DEQLYMCIrGq2AKrcebM2uGc4b1sw4Yxm5tMPFFRR03bcRA3SBX8j4tCMJ8JAtb.sP0e8MnmAUMIU9L2.cjVpzLeO4jrza4ss.Q.BPyNv_09QtF6nK27ZfreQTS.HwzVllvlROt9fILvmBDncUJr92AvFnmMMc3kUTdJlzOdlV92Zi8gGWLb345sMHrvrjCouv6COTeGF.baP8ZOvra4yMuguk2dmbTynDaFJIL21NVdVCkiXN5LH6lYk_Mzh3vIZSJLkDi7.7r.nP3PEU5VyrirMdqnfqHp7sSL63LdhzR1IzUlT.Vz3pS2POuZ2Jhz7wATr9hhDV9A7aU2Pn37GSPFrt.xdBd9buW6HQFD75AtJ0Wl22spw.HCKRiVr2NaZF5oBSgKFNUhMXmsxi3Q6UyqRGesG5uq06On0RFTA.ALOTmYxlLFOJn4Th2wOPP8TtW94.iGxfy4XjAIsjke18lQkwvcUrJlWFMbouv2tLMR1VXs9gJY_mKUBWOkl8v86n4DIjjJFVs49U3Cgc_RmW2QdDtulYxsecDuxx.2bIH6j8kkJvKBO.GgUmVxlT3FuffMV2oohSlzeibfkNE2B99IiMM8MUu1W6Udz0ecEcm5iW1ELpctc7xs688EptMY7VMVvbRZBfWoQzzjHN.EbYO7GVYO7uAyCj3qjs0D_9mIzdLszxpHOQX7D3DDuKSPyCdQMb_c6FZpbsutZZUc9pV3r8xP5WVZHUFlWWHHq9vZKOIuGFK6U8KbXYOV2i.ci.N59QuRNqlUNY1ggeLbU49E2ezBZPYaAWhtxJhaEGQrVesxLL2USQLrIeaf5AL4OwQUoVRLQ.WwSBAFxPr91hLr6D9oYR3Ao7bLy4uNl4NjxK8QNCRp_1W3aJFJwGMww29TqliUL1mhXm0LW6YEABCr.8sIXrzJh0miWgHKcyex_w"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f8222eaca6d6d0';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\/0678351249?__cf_chl_rt_tk=_icdAc1Z7B4IFJk5IgxVU1HuNnhQseyuHKBPAkWoKsw-1739148925-1.0.1.1-q2Gz7UD3NBQnjGTP7sX7QJRbeT4u7EwSIcuKvObE.hk" + 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