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-aff6i7tpy.mit-edu.top/post/3748501629

  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-aff6i7tpy.mit-edu.top",cType: 'managed',cRay: '910f6b56cb33172d',cH: 'sPGO76WEseV2yC98XrFN7vZOsGxtvEzpgSyf0tvMEIA-1739393094-1.2.1.1-T0qljPjUBkSANcZy4GLLWoeaJQNUtLUYS62Iu7pJi74KKrHEUmNnO6eedOYmwWPa',cUPMDTk: "\/post\/3748501629?__cf_chl_tk=PwCURMpteSmzZgxjCyfSLECpN.EzS9COEJO6NQTiEK4-1739393094-1.0.1.1-7v0YBugvxEd9yb253qui8zm_Trl9CAUMNhMcN9sp89M",cFPWv: 'b',cITimeS: '1739393094',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3748501629?__cf_chl_f_tk=PwCURMpteSmzZgxjCyfSLECpN.EzS9COEJO6NQTiEK4-1739393094-1.0.1.1-7v0YBugvxEd9yb253qui8zm_Trl9CAUMNhMcN9sp89M",md: "6NX_SVEnhDt9wk8MOo1mdclJfdmn5Jlbd7Fxo7wH2l0-1739393094-1.2.1.1-yxBj8PRLJeFiww5EctYbjB0heCA.QuoB9FwN.uWLCpQA2DfPZmE_.iEFWu3TXXQ5DGBgH1d202YcscCme5s1qbaeYaEUVoN4ODOHWjpQYWFZwOZVhR18DHie.j5RbsZYwXKn2qxnv53nmsMIoilQ0NZWpgn42whcO56lRajukzOk5kXiQt.FgQ9cDFFs3BX.bCRnNyNPLCV3wf2pUJIJvrggwbtmbNie00y55Hu_HmqdnFRx22iDy2cZHuDqjO8l.yz22TJNcCYiii3sjFZEajeJYco7p9SmVkICl.5s8.9TtvIe_f_8El2mf3XX_fAaiGLIdgAUhSL6uiaFAdeIsy606FNL9ih2ypu.Y6ymPSq7LM5UuWlCIbxDzx4miLZfacUg4jMZ79SFRNNy42oniRXUJthYuQWTj6vskWCn9yLioS5MqXRMY7GWobFj.A1YZSsTYQa2iCzzdnDWEagI5X0yXC_tAVedrEmpdR78hOKfinX_g0bjNxjnuR.P6cdsfVSdmziwgQx.m07CcBaceZP3IRFEonnbgKFuHKSBhibTCcUlq8hCKxlIDA8uiaCxZORGQPJFlZzyxijIV6LP6QkHxgKqxcFHMqeyDIYqPHw6HdjgFGf1cqrQZY9_sb_cuwIju8dn6BT_MO.8pMu5M2kO64EK7H955N2YNC.zrvabwbgYw_J4Myw.G1pAYQbQqUEl.jhHNqX1m68oaBgiIfwYrRNsKOKV09eN85L5BG238dKX0isaNkqzUTBotd3noaailwI0R4u1_RCmU.luXuaWXcrbh4qithDM_63vrBDymki33GABQVDQvzn12AlSBL71UVwYpgTV.c_xNUO9nHKtL.8IUAY_wPkMxbjCmjBJAT1SmU706xaKQizg9n7YwIRCqPrUsyW87Kz.fCPWR1LCRJUE03x33rG7NMjNb48z4HnYmbPQPByJw8S.pz_OdVIRhpB9gbmY2AjNs4wPpl8p5o4Qh3HRUACMtTOhESAmhG1xWsZYS1ex3UAQl7IeqeNU9E.AfTKvZP5WT2knFtpgZIkLRHkUxW5SQ7HSKZVIg2HMkMBbMP5CL2U7pkTAgxSv8_JCoKzsfq0yYn2s1oBD6ZqLwSdDVvj0_pZ8Xa69IpsccPIIagoch8J3o2Xa1gCaYER9CP4nqlYBQ_Gtw45E.T2JKTnTL916zHlGwbEDw5fYgF2Ge5g1zc73_dXcan4mDUteLQgaJzCT0nbF.N8V0yvcER2kEKZ50SD9cTzCQjdoCb1OphH87_FJbS71aAf8uaVwpFJQytmgKRzEfT5EGpo4JKmfqrcKfk5MZNA0I4.8i8WdvkEbNCGpVNISXBzrROk0zzOQCU5k0GE5_TIfmUPzqfBoZp_UdwHWSwXbdxxTBuFj5cajWVQz9.sZbMr.OfmGqt26mCunUgNM.dJurh2E9XoIqetkky2QAAsv.YoFTO9fgN4SB6d0xcvWaxysQRx1oNwB38XpxK3Xptrxk7UvU08XxzC.ri5v8J7ozOmmgCKBhkW1LB2OAsHIDBbBC0bLt9Q6lPXN5swMxRG261Cv_88BCATGaZ4LZJRC.ubd.pSSA8JA1v4IhJcyACBVY_gm4EXRLfkr3YHppAS7J1ZXTW1FcoOgLukO1uAXqZZe5N5ANjjljH.Zjf1e.HRutHk7hz21fjYFLusnwdDHITjNEDvOHftnojyzWxW_YpMNxn5qw1uhT8_xA5lihI64u0w.gPFwrfEgzu2fflnHL1JYRKaZQKhM9QWQ4v0Q8K14RmcEuDeMcDn1Qg.xV7OXllzKotQVPZimml45Rxq73x2Enrhmrq_waTmcACMpOA8sD4ll80a4uSYbXL.LLNzjEvS31VD_vd8QVve9zTJEA51RJ8MaK427A2OyrYtddEZs15Qy9Jby8wzMFldfkyLeV.EzeghrpNXDSfQe.Gpk_NwDXIvUU9BOKa963j.JF7QD.mSaXAiGqCTkta9jpB5.JIpb9Jnd9k_D9QdWzPTHJiJsyvVxBop3OlfRazKFjxwA8LV.EdhDmvXXFlOZBtmCanF233HiCvi1Xd6PsydGgZBBIADggk64uiRWJ27ql9Xrq3srYycw76t91rff0MJ0Igl57w1swXzDDRaeOtP5lqozl9aVbqn2.sgt1x5v.RX5SfGCY9buk6NzYSS8iPRnAnX8k3XMEJWrrDorXDTu5xVfVLYej4qJp0GUXRHxx9LXjjn33uyUGgmRqmdn",mdrd: "ZFQZou_ycGD2qAHpUOER7GzapmKBS0wWyxXTZHRYzsA-1739393094-1.2.1.1-jEdKCV_gMj819az94W2VGTDVtp3j.ODlnFDl_a8cTA9i6P_RaCdtnM7I2lUWhvROT2e93TE1rmvTpTPBD1tM0MWdLyIpZiewjXMGgvTNtEKyJ8THw9GbWaiw5V8lsXY2eK_4jpdwKNxdrUc4OAQWdRwEa2C6kcP3GJGoD1jJ8Gmg9jys36M4.db4uCHeW3J1vxB4JoqSovxrzOaSkphF200cyjZEhrLFb9jS.eIZUOXkWnyQhaSPMdHz8c0iXERf_VAk1aP29Jr5375XXwl4cY00iFzNC8RhNCJawRbXYLIw3tfPZ0w.OImHr.bFOKsn4ltKuozbJs_T2YJ4YovOvkHSnCbe5Xw5SHOM_1vH5jBTu.VbpcMw72iN017YgBCIr7MPPTl6TNkJtMuaK5kqna8cltWlnibADPO21PKIvmxGxSILJ7.cAk3CO2y_SgmlCTqBYmnMAnp8eIOMu_jSXRFCslnlSyXLfoaC1QBvFodJWHLfJ0UDLmbr9iboE8GGi0SxTdb1ARDX_DtpfipuKGfghVX5q80Uazq0x4es__bmjHanio.RXGS5wZxivjG0yIC.bUmB70Z8Jtxe0p1zcYiGle79yL8MovpbNHPkwEKHVNUrQa5qyxiaCkZ1lyYTg47kRTZHzqJpXnwzO1YOUSPFMN1IC3Vycb8hFsQIM4g5Qvf7pfCIbOEJuiKwGJfAN_yOAc1KqIHMIGqqHUkrq6YIajf1Dy.K6zFpITqG8O9fPfDL9lhUI.6.8R1onE.wkwYvA9C04eXDQ4JTTq0DNQrZNjs0ukAOmokH6LZ2U7swqZOsyNGhPmlJZExfhhqFxgBMPHuEI_7nhXQNQ0Arj1D7RbHwPcEVzQPqubHJ4iv4cwAV98wNACZow.4wBgUqAxVaW25HAIJuRdvoHV5SiWYFO0r_EUaVpZUs1UU3EJQEfw9jZC8I_BbZQiXBfcYao2XG9K8RBGnpHmL_ibvSOdPE27bbjc4rDicdg1xvl9_qGNEkHkId0n7sP5nwevT5b0tDLrH7w0UcJcyitr7L.YF2ymzfHXWhYvvyRT0nr8OhhsY2S_hE3oT_arYcSPoCzLVjBVvWvkV7wdVjFqH20HFNdpoPx5d_pURzWjbT654gQ0TLXlo2E6FsZe2VVqSF0vtVUkPUExI2Ng9902W8OgT2T6e8XaVzsXqvC4Xrf5LdaORV6rdlfScy0Yi4Y32fTa6nBJGjq2KySqPe9EJv9Fi8WSH9GNBEQL_OCGPPlBPNVbn5E1KzGGbrh7iuXmVeyfSiauc5ZWjPA7c.mjkEEqH_05bpMTecljayojzgvf7zcpTPouRwYfW7PSrPwpWLWTNgOnZuAy6Ax.1KnPOjjO.lksr3lE3cwNYB959lXug8lVvHjpcm.aTTioBeDJVd.ZyzgHzvht5_.ClOKEaUzudC6bEtLAWAJqPlYFhLjpPnu91Z7gnPrU1PHCbxj02EhA2YzG5ggIMPKAZWzRKIm7zOYDeH2MQXUh8dULsgQtKZdSrq0HK4xUbHu9vkNa1sTXeqgvUDRw6Jl2mQi7PGvM3GDKnLWJXHHerzgS10fKL1DlYyuDWIvPUdhx3i5tjNNATO0Lom41tuEMPjiYHvZjsaNOYRmD.5H6oECeWLZFU8YNbrvlTuA2RUlCslMXtv9oX7SWPCmKQuspg6c2dX3vJpJ_d2hMFcT3eW0F_.pM7LDOT26iqkXDPd5xZUug.rZMOaebGiE5BBjlULCOjmJaOsmXVnYGRBizhy8c.e.14V.rgbP5L2gYw5ru0pB_Lllq4dI48LEbakR0OOuK4PVyjGCrCvfzSoo1R0DxYUEEY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910f6b56cb33172d';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\/3748501629?__cf_chl_rt_tk=PwCURMpteSmzZgxjCyfSLECpN.EzS9COEJO6NQTiEK4-1739393094-1.0.1.1-7v0YBugvxEd9yb253qui8zm_Trl9CAUMNhMcN9sp89M" + 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