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-8512309476.mit-edu.top/post/1638452790

  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-8512309476.mit-edu.top",cType: 'managed',cRay: '911046c169845974',cH: 'yLpVyklUWgIvPBRXcnWu4OICEIaJogMMwa3qzmxyUvo-1739402081-1.2.1.1-HrEXRIEa2MoU0HV2V8gWCUIVmFkiLIcEgT1Uyk9ve4g_AGHTGMhLFJXg2DFpIGZL',cUPMDTk: "\/post\/1638452790?__cf_chl_tk=ZY3hy9ri4z8I8oSQ.365CRJPxLlCHXXlhPZI4yUmttE-1739402081-1.0.1.1-i0azu25JO20XqVLZd8OtiVlL3kx4w0UzKCCgjz_RhGw",cFPWv: 'b',cITimeS: '1739402081',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1638452790?__cf_chl_f_tk=ZY3hy9ri4z8I8oSQ.365CRJPxLlCHXXlhPZI4yUmttE-1739402081-1.0.1.1-i0azu25JO20XqVLZd8OtiVlL3kx4w0UzKCCgjz_RhGw",md: "ZSWW3SOPRcjnxIPuPQDEwhxs7wzWjl0Vy7j5QYBwQj8-1739402081-1.2.1.1-cC0i.ZNkQBB51rpvsbkYA7ARZhLZw2Cjg.wyCyzF4Doqh2qmeJThDIshzfdURSDQPE7BCeHXLPdnOi.WewBpJKhjbk_gCK3uX1Ofr9PbeP9.gK4lH3Z4RLmtzLwdYYex7KeTuiZPxunzI699_RHzAnDAMndTmsRySlp8AQCWS3o9k5..jBIkuMLxRNaVVLxz5mco98GR_As3mYKxUzREDk1BLgH_OMspUKqU_N.sOGHdloiMRyujBxjNEG94uEGGENtzXynJCb.dVGzn3m4NYH1BJ3Cx2g7eyhkSbmLAxAFYr3NygmF01tyTE5U0r8ywKDriwkPtYv.PjyoHs58.YckuCNn91QSBOz6v.mqIWHIZ_bv34JDsiUqh8D3FyUG8JGdPwK04JaeX_MXdKHIeddRxhhBl1nNLVh1AhA.hKoB13FBmejJeiExQKvNj8vLtQbn2utO6hLPk_TreeFgYSPJ74gpaR1y0yD94oqiHAI56F_eO11OGuzcAGbWdkxg2BGemxnv1YbSRjug.Omb0AY9KZp15NDaSMKnJBDzkuT1ksW2X_7xhGNxnaf5Cik4_E4dXZQeBYELvg6kpLv2PCU0GlaTJHDsa9pPnLbevqqRhXdMfuJZPsltUwHLgeGf_FWXtvXHHaw4xRDENXmlfKI8S3KDjfnAcMJHirpRFjYUPeK3oQ2uQVCuDtalwhBugZOPCrc9nIZY0Ko9App36ra5G4k88lQPdD.NyoDtMaC7V6qWU2ZO1CtznML0nuwGZyOZHBZnDL.zF7dWRfT8wCsgDvppbzgajL2ecCo5T848wvWazVevKaIa.6ZfFlWNO.ZV3TqqGJTgb5SbKXQehm7328dbisT1Bb8TjS3BPvyJjFUwCSjK8IctAAcsV.O8QT6IlpvoZauLk5lY00q_HXP0zps6ps1NInPkV_fFW88roOg6TYlPrZ98NUpqETcbUx6NyHbvZR6wC0epcG5k.ROnzNHZDV3lXisrEfDE8HAeFano9yE_dwq3szFSaqEwplnfGxZfeQOAeBw09tolfGr_XtkYpUITvxNEnLlV918BqkfSQUg5HseD.ZXszprPijBC2QHjPgqezV7ZgJ5YbIxxM94Tpbhhdcngon0sDKXuLrqqh5UU9.hGwezX5cj9QKqGO06hIvK2Ov8rDwkJR3qo_zM2F_erSxADXSt6.X0bciaxOWp0jlXdJV9H34lLRf.zRzWolLAke5ph9PVkOflkTXUdehCBz_PQhozjS5xxOD7_JrI35Lykv2TamQ8Dx_xZmEsIbXwU_LxVZqqKyv6MZErOcOw0BH1QOlBrI9xCVKLRZ7ks2A7KGOUM17QRt5FgBKbiUXR9viZS_jHPBZjA7akPuWoWtlorqqMkvtNI7nCUL4ihyYtqBSgItVh3OAnOcsZTdG5droZkEJg8zGpCSPc_8ujqtNGv2h.Nf3XhootrWyYFEwMnkqjq7bEImEnJWsyeK8rkT2CfKt5G6xu7vrE0jd2mJ6B82Y_ct5MaUPl3qoBp1y0wCkJExuWDWJ.Aj6S_oIlMjXP7gw5QjwnCcatRjKpWUx.pnmPT9CeuHdY6XPOSQ2vqNR7AHKpRNjQ8lN8ILYLAVQcbK1Ha7X2WbIvGkWyQDtecGF3Zr9Mtl9aGuGRci_7K9z4jyr02SYgioF_sodUgANrLKhdDH_zud5tTFLNivXc7s8mjpWttNPJARCyFei_JVqOuE_C_Vf7.VDVEN3EkqLtxhdrNWRIUHkvWCCQeoGvhub9zhdBOQ3qe5m6KnNT7jhf56KDOq9MICtf8Vn6Y5Uqb6i1mZQWAZ2kSyH.SV5R3czgjui3hIBoIWEDx1CxHQP1Nch0aqZHUBKuTKd.EjlvKdVag7_XF3DWoSMfmOpOjQKJIuas6BbCgGV_lgEEo1VHfKRybYsXh.yoBD_vWSSnZ.JIsWGjYg84kFSY6l9ehjHyFtq2Rh4LhBOGGfFoMwhb1XmraWIp3HsbMJS_nZUSEm88PXF7WS91xWlmiIZdKtX.swM3NYpsOtuqzl5ZBsToDHmK6oqRKAh6i8gS9OBH.Sc4OXFiUWOrsQB.U8DYKTkmzj86KizptnjMOZFE6yp1t2gVA7alKF3zbqUFPgxaO8A8opgNU28xAhuFko6vXCE.K0mnd6OI_XJOyco1UunepZ2yqKh0syTNtmxDC3H3H5eIsE2CaVwBP7tOOhFRmMjK1AzFDrMHRZn_xGQcvqhDsCfYG7",mdrd: "XlGZdkgy6s0Knsz3X0WBj9RaC7LAnHId5bkktMfi6uc-1739402081-1.2.1.1-x_KIVxIsnTA7Sy.QR7TJ8tn5H04X6rRRzWF6HdSAdC01rNKAmFXeLe4CtoXlAwrU08I93yfkZPvreFi9X03cXs5QxDcGHq57f41sPwVBAYB9J2PZaEovmNCSXH2nsS8KQEP75RAPgV39skPTZnwLPtEtNgt5QOy63fUUU5FhcnYkEh.5j6sBGwIoarlIKkrEdrqHXGQ4R87F0oVD1QDbAZ34fgTCOq_oQ5QOOFmMlBe1PN6eqTbM97z98Gwy7ElP2g9MTLSn7gSYrVWK.bATFeKdF44tte9f0kqHvjIRaI1.vJGNVdGihAB1Hog8cQH6Q4EuhYa3nLHCrLGx54GSjpoJepvQRu4XvpcrXljZF52YuAF_E4_Q.Jc4XIaLX9smC441o228g7o5WPady1v4zDMbEcA1K_eGfWHmGDvaxmjF0ovor4Ehwr9KazpJij8T374vGtIrPD1petb14WK51I9gwBPf8Wlfd5aCsNFKBM8qpAWk.BW6dZX4D90xcsvil9fYZV8cm_.uiJTeE8.NUrVBqptD..EMfekXeb1Ek1FX1GpGcJFbtMv1MKkROSioTYXttuNiI9_PKp6oV6DWSBD97caGjkg5h6gKzozHG11a0jKdpu23dJMVX_nREawMMPFrLVGa0Ia6uUOHLweP2FLt68JzojCn2YIxD2NWcK8mVjbygkEmWLOlh3PmqfaDWV1IXd9Ttfwg_oPZG60kXoaHKIlxDUtDZsGPzmJ7O7ewGLscXabMQOsHBfz1rDVTMCjt5b8Q.5nReY.W5bbxEQye4P9msrMmwkNeopQCaMFV5wSPN3KIyne5s_cMkFGDtx3ecw6dBKhzTz4fKHzwMnkiMgrW55CCyqfOVqFCgR5Lq11s3YwgyClulsznSkggzMGXifRfnb_TF1eb56lxVFBdSNsi9HonrZS3b4F2w0sW0Cmk4Kados_II9g37lSEa460dJngQL7ixeVGsMpWCSrJuqt4gb1of4pqMQK_1.n6w90sX_nXsf1Zu_MLrHo3YwMVRnZZ3BziekkZATu1USbtU2y90XU8wniUtu15QiyvSFPeDS6uKm8f2GAFcMIEJCtcEqPLPoBF1M7tib2omgAM5b3eVmtXYxEF.p22EXVWm2R7gbn.62VfsFEeaCy92Jq_GQBCzkLN.yE74HzW_trLry13RsKL6jKqt3uAlQphLvjBiaopMH4XndAvGpRCaXMybg1MJ4mYdwmQyY_DrfZzFG.dVbkxF5va3An6X3Su95pemtzwG4mgcnWILC7S329DLAtgNJYJ7cHfW1BbLdH3G3L6uyXVYswu57bV68cS.XKSnLnNKw9yCic8ceTGsqLNqd7FZg0U3_YhBLAu91pJ9rruKtp4AORFkMPuggpnNFOMqPGsUbR5QCWfk3GtXm0mBUY._w7Uho.5QVbuBRpSXzxoRUoqoQnSz.dimRuSCVOb68pfhED5yu1pjE7CIuje0u8iwFVFZMh2L5626FrbOeZJFHQFZv4foHzI1I2y1CQ.E7cDIX.eNj3OzotcJtrk4DPQp1UmrP5k.P0KC2h9A3jQX6YPUc9S1gi1L7GfJu9vOjccuEl_JEsq.WA7MmRXNojTRLKXm6Kfct7PkydOF2v4he9Bnn.27OjfE2HCc510LEIB0dB8qZGwmNUdD5iZ.C9rX5gK6_YnHyXrAiFmQfvP0zmSmZqnE1e.f02lDepw8HkkRTpANjt41PYj8crP6sktcDwNGnlhc0GHUd8Q83vDLhdgPfmFY4uHn7VfpPf.rYy54fSAQXGPrR.jd0nhvoYY2VirkuEgHE_fuQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911046c169845974';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\/1638452790?__cf_chl_rt_tk=ZY3hy9ri4z8I8oSQ.365CRJPxLlCHXXlhPZI4yUmttE-1739402081-1.0.1.1-i0azu25JO20XqVLZd8OtiVlL3kx4w0UzKCCgjz_RhGw" + 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