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-3791508624.mit-edu.top/post/7932186504

  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-3791508624.mit-edu.top",cType: 'managed',cRay: '910e15e71badc990',cH: 'PvY23Nf4dQZh0llGkAHdCXAJfV1ePdzG6uj_VptT0gI-1739379108-1.2.1.1-0VXR6WfgsxFJov_aLFJAz5rh2M8Sk4.19__EIqISUm3eJz5vNtiXaMp74Nxfm4o0',cUPMDTk: "\/post\/7932186504?__cf_chl_tk=nT5fnE6EU5Y_j_AzHH_BOSKnj.07.uHAFfywgBATk4k-1739379108-1.0.1.1-4ajY.1JfbW8z_.RcOle_1XCG8fim8mhXcXrlqr.H27M",cFPWv: 'g',cITimeS: '1739379108',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7932186504?__cf_chl_f_tk=nT5fnE6EU5Y_j_AzHH_BOSKnj.07.uHAFfywgBATk4k-1739379108-1.0.1.1-4ajY.1JfbW8z_.RcOle_1XCG8fim8mhXcXrlqr.H27M",md: "on0kQIkzRRyiSu3qWe8XYpFCGpWJcMU5uY6zpb6_OM8-1739379108-1.2.1.1-yL4u5Ae1zQOa6q6EEqcajN32NforTDx1PsyuQwQ2NAUuV0.zO8Y1RigAhRZO5DKr7eIw6AVkHiXG1AEO8T8n0CCVodPoO4rKaluKLJahkc7IJjd95JH10WdLc7hQb3JWITx_4qjkQwUCrN7cDPnwHsFsd_Ey8Yzo_DMqrd1T33DzwGZH1z3sgE5hTR1fogh.detkuGiA9EsBsEtBhLXuk3c8w5olhu1TPYj8c_rzzYSyGGqxzr_in9H0DAUVQjd3wL4wC_90CJzU_GrTqHmKbyziybqPjP3_vBVdvhPcyBt4bVPuC6XZUGUnq7IEyTyFy.cvOZPHRLF0TrvKe7GWPy5NQKH2YLahxyZwc1Qyf1JfSiW6ZTIf_0MdWRnrehUbqvgUcGNrDXu6pt5BxXPg17eDSVXc32fj0ILncaBrfJ52.0QDNiL2gSBjdov44cPgUzjHhtrKS4udDYi_ISwcXioYVx.Ujv7ufL2ijR5zIfJUSFTrFTdtHCDK3cskhb8khPQzLf_OVJ2vqgrjXL.LOof66d3GFehvOdx5kTknQ5nlbG1YXlFShxIfM.pDiOaYkTUWng.inAG7ABYnv7X4aqWa6rcDp93EJM6UvjB6JDSr7aMMfnV5hJHX9J3C9qj3dExTimrKyPHZnXUgrYUKAnSk6infU_ZjCepUL9.oylv4RV5aCb4K9Ce1w3nwhdqOlqtXJBJRv1uvJWBQwZqVsgK53R02jo9ryfNm2Jm7TEb2Wf8O0Znmzc1Zo4KTo54hly0n2nonh_Ve2hPJjYYCZtdNeHeYkXv8N7R0zFd7cXayNKFTpZV0X_c7pzrQYcnn0IWJb5kpt5fO1b.IyrTLYgqKN6zTJQYyKSqJPD5D9dfFmCo4qOa9hwAve2uRtwl2qRlWWszj_Jx.tuZo_0WIDF08TvLIFy2p6imlNwQLgqI89RAWl4nL9hi13CK9.MCYoE3nH9SA6YXjgXIH7K0RzWEvqkdnFluwP893im38gGFxshS.QALWcEyePKbNaezxmCzKz4EGfaYEulT3phvHWn9SIiZdTvpW2lgykyKwqg._KZJym0PjBnx13N5nHaNdGUeDRFNXve_sQZHY6O_sDgSvtnile6cOjkEjXMZDcixFnr8PKn7S3uputqQCeH9T7O9XGgLJLAGbaYBfCAhO235kvWex_PLN2RhS4D7kKZ_gQGJl5hqxDD6O99QSYUqpZezx1A2HUIKnOHDQoYI5I.yzacKbXeZB9PKCN.nV7_ljSjeKoWYuhPNodckW7EAMSuGwPj_jp6dQDyADi5SPeMX7HvFOu8jRiNNqAaMjURQrjLuNBL44PSw.ILPCOPTOmZKF6q8l_pAb9v5n4QpFhLJhddSH7tCtc0Jl7aYnq9S7cNgaZ52mCvoehtAiuDkoO4yPoa3XgLwOP2MVEW8pFFKosfaCL5xuLE4tOotJKkGIVXdD7.k0twEn2dP9_PqVmIopSJ1UPGva5ZkE5YZ.iW3Aa6Uv9XrMGAR_UxV6B.JJr8KAZ5i_74gg58dsGx9B.ROeS3sOkb7zMaiXsE3m8rkTPPqCm4wpEaXItqUVMRfKLablUl3FTTh59s1ta6BMgeMn7JBEFDZzKc9O.5Y1djc5m3LJyjF2fQeYUCp9IcXsUBk9D2Le7Z919neb13HeQKW49Dy0sU0lYY9WuHa9LslSpGcXThQt1tkm_tZtdFMZJFcYHYV9FMbh3jJSzi808zy7lJD2NG9cbK20lLR3G6aGPDRhQklrZTJYXdUXoDwFgORRLyGIwUT7v5N6ORfXfUJcf.T8nu_iVpX3X8vetAliM1OnYvVPFGPQjQ5iuqjrImuk9goDDbcgfrY0fICWyVa9Ec8n94RMeROZ8ryYHcq4m90gSFb5Jf105Ik.Vr1TjGYzUI_oIzX6vEalSeaURr9QMO7S4ea3UwO8m8Kh8KFPcquRO4qR5r0G7QwlNuAFM6CXt9z9hdtUb0oLOdGj_UPr13fI6nU3nmYsYMx9E.a0NmCCBN0XpfA5E_j03fxFLocaF0ARrrrwN0z3QSy1.HJF_TLpA.bI0xw2B1K2zDKk49NpkYPrkhQUxh7OatUa3q4EBTQ88XjW4Mz5UCogyXFy_L2FXVA5e928_CtjmuqzLL8QcAMQmvBtO6PclkaFMFsbr_TO2y5KTwnB1o9ly3_Qdqaljus8L2OhApvaQsaQNYDJ2xq8NErmvOTbmZVlzqenXQrrY3IXkG3K_rew",mdrd: "uxFjps1J4D0nCwDijoJwCU5zVP_XErtEo3vbrmHJom0-1739379108-1.2.1.1-pskuAQiBaDy8k9jxTQjX4DATtKPeatACkddOLuJ9MiOA.Th7_hzQQ8k4scegmqKw5GwOFCP_N5NRmM34Q30c3ZYrmoexFtctgFIh6rrVbmfH1dObaTX6dFkK6goMsUHj4fkV8hgfpcRy5KHU.0gIIV7xO2IGrH98qJtY69EkBDFolgJve8UIePZORQHibR88HvbQEdGHfSKwJFYJoAO4aVvTAPJR1BX08n6ycEkIlxRGDYh8Nzs15lDMmQSajz43wGzJJ8GAo60fZfrDgoWmCq7UJdvSfOoBVpOELEM4Y6.JNTU5HYWvVXrbfDOXPdPtc_NF6.KrPEB6jf95PA0iUc2wtoPFHy6tjhkbM0uKbUwUkC9DJU74sGtab2acrhgtQjuT8zKh7tbeUMyoGIyEJByBIHwDHavjB95UV1xJxInrBdoD47gZatHrc4_L6Xj688OYk1qkzRGPozTcgWdXwMUlICPwUVK6J7SB4JjtMB8MnTXkG8ehUQnfY8bcNxgUxkxXQUJJfTtT7MrrJpG8nQ_AIsty6V_cyxcS.JMAhZmPpZYkEF5D3We_vgf9HSD.QceDPS3R5a4N5KXyDeUtOJAsF4pL4EM249eRCzEX3as9RX8Q5D7IDPOlIIdbIo.KKgW9mbyYmWHJW5_YfGkieuhe_Tdz5fkw0MkBJK6YDT3NQMcKo_gyrORLylnqNLeABf7rvihdAhqeHk2KrzGS_bOAObm.CfQUsO7X8BGj2Nf1wpPJk0meS_UA5wVW5.7sZJRKNH8jDDNbuLj0hxO0Hn1yc7qgEyJY4LGpp.pwuKtyy5h9G798.gCJp7qO8n5v9i7nkN6ZaFseLhYWEaWkkxgx27RHqhDPAqSPkrMykwSzaFxrO8GMrtT8WT.LFDFWD99PZDU.kGz5LDtUncEL4oqVKIS4PlxHP.wJL6XXnCgsXak85ld4oteb2O0Wis.0OxOFNq5vVFsm.gtmh90cIwSTJpUqkyGMjtril7PIHYNRG5aB4x3IMeLUCT7KVRPLRCmd6gZdh1LaaXUGibDSf39ZiTM8La0mefL107Dd.p4fnCtFk5IoZsvkCb9lrjVHY8rzA8CaM87BX83FY87RsiGu3kgNoIoZGZ7MclQwHHjK2C3b46356LmKbwMqPOn_u3h96qNdzi9lxpxVQ4N8QLwpKHMNMXFWQvammMeyLMFXufCIQcKVOjoqhxyraFuDvGixVzM_7VQAD.B4zNJ_Ur_dLSTIBo0irfP2WV4VPkEIh0jWU_R9Cm_9uyIjW5qCcq0l.UpF.EfB5FBHsF7m7SJzfJPBXaFgR4AvEdkJyUlVASDr3DzsQBpABg0PTx.ElNomHWqp1nlDsR.cWLNU8CiT8Tx1WA1YKOb30HKTRO5UpOXYVWY8GYC3.MHnPSdhxANWXM940Ud.rNl6yuvLfvoABYNi886G0RM5tVja6P4IC_AvuPVOKqHLDL_EGrcQxdlY6mnTbnOyyyMJVc41Q9IypqefQMcbhm_dzPEEoyVVMfgxnExy94Oou3NOil_B9vSV.KGBFY0TcEn8NmbUNYHXNvrNyp9VsuMEgzRRVqHn9siWG.kzXOio3ZG30L1X61nx3jMjVUBrC_bUrAvxT1860FYa.tJ0pB4aTYruzEGhFXbMte9geFVS1LWeV_OhYDh73Zo10bu.6qnzpqVhHcfkMQGuorxKOSM09rIh2R6RoKXSv1OsaGeNT2SbuPNiwpQXY_5kLFgWKZG4sSBkBbgiCEe.OKEKd2GhlDnm3g.ByRKWoenOgHizt0T4rmj88CZjzAL.9PSHUHcKVmJYUA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=910e15e71badc990';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\/7932186504?__cf_chl_rt_tk=nT5fnE6EU5Y_j_AzHH_BOSKnj.07.uHAFfywgBATk4k-1739379108-1.0.1.1-4ajY.1JfbW8z_.RcOle_1XCG8fim8mhXcXrlqr.H27M" + 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