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-678889286796.mit-edu.top/post/8249157036

  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-678889286796.mit-edu.top",cType: 'managed',cRay: '90f9736c4a7dd6eb',cH: 'yXXNAA6kjtWrsBl8wsG5l9y4tsAak0qPPB6uUhP0Blc-1739162738-1.2.1.1-bdnN97i_A6XhH5VWqWjd4X9FawBDNUkA8Uq_oKjggtI7l.giSQzcdvc_x.fiZMvK',cUPMDTk: "\/post\/8249157036?__cf_chl_tk=UG.NP.Zih7Vul1lP1MuIJjV0AjAnNuHrpaU_axgvpnA-1739162738-1.0.1.1-z2AuOKHpoOdOigUCEpopSa7L5VTcpYh9sYwE4T9zv.o",cFPWv: 'g',cITimeS: '1739162738',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8249157036?__cf_chl_f_tk=UG.NP.Zih7Vul1lP1MuIJjV0AjAnNuHrpaU_axgvpnA-1739162738-1.0.1.1-z2AuOKHpoOdOigUCEpopSa7L5VTcpYh9sYwE4T9zv.o",md: "L8xS1WwfFDwzvJ9hRPmy0zb6gwgLJKgO_04KiFP39ik-1739162738-1.2.1.1-J35oGn1k0ykOYRMAGy6hXuZpwIJG8FoNFSq51xKyf.YcTMdSPpKmSgzT0Jy2VjpMBIBd4_JOj1ZmyseLe8aq768.B3hYaFNPxgQ9NKofik3tTsze9SptHqnC3eBXVfr9nCXklwyN4VY.KZH3kXZ6rLLYZImaCZkmjno7hsQJvwPOw9LBm4FL.0wsNQA_thb3JGVT5cMjtpEPYuORTRqAER.ja4dCts1OYd0DCDdFx91wucn5DafBBZKw6JuCRXEMrMvS47gPhkcwyfrsLFReLTv_oZgFS7anTaDHZzp3FJPsA6xvY8LPQyNCm0z4eoEj9AOZu4VL3wIFlczoX6uJRewh.XM0aLwc07Dw.JMjp46i1JcWfGIX2yKjKTe9Sh2sQzPyHSVOMB9HacbLu2uBIZvQUI8vJ0fQRJExTl62SiccTkueJ06Gq4KX.DbjASy0Acf1eIYmv5JICycAAa8_3mbEmtnzVGSNmpO41T5cT69C.6ClfLce.cYtESX3B9Wa61evtTK.hcFaWPrUb_pBwn3wAQfW3gM5JF45f6n5vSl9PGQ8GI8_c4ZCWk4p3Tkj4g9u6T9mWBGyB5jPRntKVWynDlnDtZpWhD_pVQsmAtwiXWNq3QBRVjwMjmQAVVL9xqGIM.hLlWmINDz8rL4pV_a9fqizBaeYkNVAty5oN3ZnZQ81GIuxEjAJuMfz0iwxDW9nyDwMmxCFO2clCBWXAPsuBMgto3xGqmwXpd3DsLhtAoMOYkZXKLfSM1YY1bSGI3YpSirVdHZgze9muSusDJCnliM5E7lNmMzPxfOf7K.BOe0f6xd5pd2U9vTJ9NZljnI7QJHCJ5HmbPFhg4QkTFpWF.VMNVRXOjVvH8SHlTfFqPgfnN868Isj_6ROyYMRzJ17JiLaDzSQSMAugQ1mAKnrfXD7TxmsaNiKTY3sIgiqM0izvb8124jUUiVY1HaXmA_waWkj56nYV_TtsaoZ1mJ1us.4ziwFVBIlpDp3crcH.Ca9D9m5KMb4RHHDH5gkZ4c.A68.lC0G1_ym1Hh34aShm4OGsjVg4lULssiD7p51uijH6Eul6Bw6ApmOLIYQnPqEmfb3OBo9ihi1VuOuuUHoo1PNusUmJLkoN7rucMgHYT974M8V5nMP6Epws6wG5dAVO_vbw9HKtZ2WjrQ7PgiMURub4_xe7c1xp80WU3WHG66EUAzHk_xfPvIicDa_GwCe3K1_CvoHo4m_wnuOM6MmpMBmI1kLwqsdujl7anx0lZI8X7s.aFzzc3W_NVPUYU2LNzU7_rC4J5iSMBWK0kjswT_419Vk5o429kd2PakjYqXFweASpomKRMFA2weSD3lSw3o_zyPaAYGOIy7KJgqxB4bL0jyCFJx1VnCwMgYtnRYRS2fVja4bhW0uTY0zCqUFNtSxxQiAxxSnNaB0xe2FuwtJSQNmrBb1oDHt94WN0F472HkM_bI4rGEbnmjxYrH74f5JvCBf4Qtp5sNi_syQ7JEH32Q51BubSIt9uzM9A0voEzg_v9n.CVdqrQrxQ6uqJt8gsr3XbN62_tThy5xum2GD3.TEJOd6Xr3BanUkBWeM9U2fuJBECT3hl7Rrbx9qUpHn_xgGtEXkc6uRQS0XfR.Z_UGnCK.WeFBez94BGus_W.3y6KRadpyscj7TLa7lx8JPlXaXE4D71VcyLnWCmIff.iK5QeFeUyXlJ1swyoJXO.8IlHUrKR9LA8x.B3MuZVKwZgq8JMwB5DHyasGc.i2hIhEtPEKcMiH4jVzRF4MBLqRdqdH.WEnh8o5OaBy12Xl8DssTk7IozijgMJp10YKMcc_GUtZrxQSmPuKo0SFQTXth0VeigoEsoXiUzqTIgrwGxmksh0tJTsflHXfBqFluUCKbpjrH8ML5KK_Xn4sTFVrh3JyjscacWrQ7V3Sj7AyegBYy4I3HeIM1qfko7AAVC2OjoTaPN0Or5K05dqcpddvCUbC94YSmJmO0MhHKmYvKgxLAGOlydSdYyE.1Kb37SdWlNxNFn6ayLQqR5L1ttVi4S5Z5kcopuhY75LYHKUOvyMKg1dQ3QlSn7zr2vYP7FmiUJDmbzdhrBXAdfgXzqvoLpjsTd8gBV4CGy2DrBFCD8Zvd1Lqb8oYQMaQDbLfpErreycNmTnuXfn9HRSbD8CXJ6mDRxQVpC1lHuTR1UxqpxBqifqf12Z4UNQ8PrQ2UmDTiVe9LfD4QdzWbk7Po8k15EGhF3n2hy3fg",mdrd: "5rQMDyPgHDaUq_17LAv_huDB5nDwWeWLQ4QtImBRy6c-1739162738-1.2.1.1-N27C6GIf_ogpqGHR9CspoW6YEwHNVP4a9U9hSoA18bAqy1wnJK2yCQH6HQ4CDjBXcVJn8gYGITYZqWd8f2PCgDfN3hS.GOJiwBGg.GBSPqZL9_iFnMUbbYTgyxnaGu5Dvt2hLlLseHZb7NN3lHu8YypK6_iGoGavNv.0zsYFGMQy6TKn_cmribESEEnfh99jH0X7Q_6dZ_8HI_sqeo5s.xu26pWXT0zEQ0j1AtFzZm12iWjmUTXW6ZHuj3GOwWuTM67SbWApuGlB.JDELaw5oJwUYJEfsQAC_gzkGP7SpdgHxzcDfuaYIsuQLvFzMbjqf_.SiXTxpGTTBJwla57FrzcBVqPdJZDOt8qst0sLWXKm3aTNIpdzX7aUTiByNtKDB9Du0vJj0tl5E3dINLTm0SYuqdkJzOEfUX_QAo7KfNlVGt_Nih2H9u9SdIg4AuaWtOblQjWxYa3D.3dxpcEZPvPyp5MupLeKjSUh6n8519.KM_r0Ayh7aUya_.smStA2p7HaTFHw922Vak7YUpSkisBfsdPZsrpboXerL9GNRnQG.EtPmPwwEqg9q.OfTq_mWrSKMvcoNnaqdAHalmX3Mz8Wbmeb6dR_8DbDj3xVEyV_4Vs.x4j9ClpOetCwHoRNJ9m.3Kxar3U9SwEhjBoMSDiJoB.Y5J7I0Z2Poi_NVMvXDTAjFTfKL7pu6OiOrDylQh2QTJ9IwL1didMH52aIwKGKrEc3K3hRLmN0_ZbH_k7GHA2m0H0Tj4MsstL.21RowgjnXITXgHIDwxtkIDhyCoQUIBFVu7.Aksllct5vbz5fJT5ah2hRCSyEvFoCPRwNBvg7cTHDpRh3A4J8ONO_g2iYDfgcDbguj7iipJbC1PZO60v26zyh1Ge07cNL_6ii07E8eQt5J5mftpZ7wIefZb4nMu2KUZFROcap9GPb1u0V1AiZtHoETQ25S0UBsUJhTBGY12f3ut_MGX9GflCrBG0WRq2aYH8rW7YP5y.PQiGb3r5Li9B8Gg8eZBIERW.vncAIZkTmnFm2u2CTolHaHslUynpSFfYPei6XWOQheFHvubdJ3p3dSe2FpdDjGojsUTba.VWJ4bTcQdYOvzX2l.bWKD0o6LlHW3keGIaYYbdJLEsNpJGbaqKpXeOeaKxkeVrLmcIfz_k42gEpgnpHsCm.xHEuWEp.10CTUkyHeGHmry.AzT4v5kWvUGjwBfqgDNU.r.xLboLdDULgOE_B9ztvIpAMPSEobJsa5Up38npUKa.bYTK728IlDX4lVtZQx1NA6D8VhlS.yPW8WiqtnDdMl93_cI77qb5fmFvwI15IQ5NCumyxMZfji3xyBYr21DrCeDiRd3t69j_mG.IZvdJqPKKaqOzhFEKlrCo8C8klOvz1xVwvsuslBc4qi4mWvyBBwkCD_eJfur1VzvRhYoTJ1Udr6D.NzrNty.hn0nC7AkeB_owl1sZlERtWVRVqDY6FdFcLDzv9se9yFp65E2VDfcg.olU4SWlYHEB7hA0L8oBceX.9.1Kw89Wnq0QclCcc7M886a53LpFcC7nL1YpXKkoIiqG7BZkXa282J9wl8J5dBRfaQftTb_Ol_WHhhKQyV6PCqzgBTf7Wobw.elbQnpW1d84HMIJYfb.0x.7CSMUHmENV9Wjkq0bgKxL_FVC.44QqRFMkpNJ40dk0u58mUV8GXTq52737obQFw7YFxWt4XXp6WfQvt31jCd5FBurtrUfFIaxdYw5WkSSdSoUZJtFpE7sz2yTMdo59nuR8x2aqlglISpBFGqNfxzleMxR_kV56IBN5mwiCHo9ETKuHoQsbYeYghcH8AlIBi9CcL3XL6cvltiqRO2GZHPO0"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f9736c4a7dd6eb';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\/8249157036?__cf_chl_rt_tk=UG.NP.Zih7Vul1lP1MuIJjV0AjAnNuHrpaU_axgvpnA-1739162738-1.0.1.1-z2AuOKHpoOdOigUCEpopSa7L5VTcpYh9sYwE4T9zv.o" + 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