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-652848367999.mit-edu.top/post/5940237186

  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-652848367999.mit-edu.top",cType: 'managed',cRay: '90f36b595dfec975',cH: 'qj8XZAmKTxfjVOrDE7zn_6.KETNEXzdrWLkQB2Lpzjk-1739099493-1.2.1.1-5fuvc.sqrAol1eKLn1XwQHws0aN.dm1WO_6AgXjV4rWe3rGAIO2rrNhnUMP56.Gw',cUPMDTk: "\/post\/5940237186?__cf_chl_tk=N766KsI_xRNuB1yWFbipxPYgG_fpNZ7sEv3QLWg3bV4-1739099493-1.0.1.1-BpPXX4h7GLX05ySuamojP4o5bre4cpW3AFwhjv3J8bg",cFPWv: 'g',cITimeS: '1739099493',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5940237186?__cf_chl_f_tk=N766KsI_xRNuB1yWFbipxPYgG_fpNZ7sEv3QLWg3bV4-1739099493-1.0.1.1-BpPXX4h7GLX05ySuamojP4o5bre4cpW3AFwhjv3J8bg",md: "NUECcdrCLwiyz3bhlMH.YzT9Kh0Z.0OZNkeFzLmnDUU-1739099493-1.2.1.1-AWA_uQ1c49fwnD9YCPwqKLNzHkHDYV1UhC3z6rSQpn.J3LtbQe.BQzh_PPOsFXNhBlbrl6beV2P2QqAagbuy1nc3HfOrlgzPfu6Fy9g.UCGimZk9POcZzdqeW6.OpToigYtUJD0mmwH5ghs77b.jo3viOy255mS0F6HoizxxgzIdti8g.Pv2lo6kOvQishtY4heyeu88jBfL3TyZWHKMtiK89oD6AZMtmuSbueRGbaUfu28Zh4rFbsYtX9A8pOlxXUG42LJLvV9hpdJ_khWW_2l_ZVJsZvpPTLwzMv_FxprsoJRN9jwxC3RaAT41pEZJp.RZq9NzwWvgxPbD7j.IF8h3Z_P8_9IQmlEpJ26MDc2A4U3pZN4z3XOS3_f_EZGBhHwaR3FN1qII6IJmokxuXilmhf2KZWhQHxJRmwSXT1G15LgANC7yxWah5taNGJ1cDBE6ZWkJpcjl.U8u0Y0cnc8SrGzHlyh_K.LP6W85.25Ep7wxGOnq9JgYcBTI98EWkxayIN37eyp9RR1tTjB.msjU.MNZtkoRGo99nlg8zs8xpl_b39_yEm4qGaJjSzohxigPrSbF1axldrXs3i0paJlZ7IAQ.liJG6YkHPN.PC6iF8Ou1aYSKXoEWJuOstMWQ9.v.GuF20gj_PTs31h0UvMThFE5vGrZw8A849wPcqWh7nC7KmyxudqOwawzk3O4leX6TAxcqok5xRQmU0sUPjAfCG2pCg7MQ3x0_HrJV2ZDB2vA7b8EBd5ZbJVF9NWKNApQg3IclykHXpaWjy7jj3hgufpjyDUAVsGZ6xbYXKnAo3FkY6e.C_.3.BaiAT3z9umlr4r5O.WPUQK5pb_P5UkqwFeQGY.gBfmLhIu.PN3zPrR6kuB0xPVHcBH5LundLNOYcAdJP3bsy9L_E5s3bO9EgEC9UT6GZjJpgi5sY5MSVYUB9q404T2WstYG80CZqekKQZ7HeHjdHCaMQR1sPdM7LViEjVyTAGqHbPiwSVSrwDbMPlCo2scITimJXRkCeBvnpbZF.bdeqgzq6KgHddXgl5g23Id6lq5E8A7FX.1Mjl0BcrJ8eN1hddcWprAIyY5IoSt_0uYld600VsR.mQMbHygNTe3DXtgq3pbMgA4.ghlOnDckUQW6rn1f7dWfsV3R0Fd0M5cJxdh83wU3Iuqr4DToRBqnOVF1SW26XfjYKBCVo7CakEjTj.Qat5TQ9fI1QDFAEJi1n70ufVZYrNuqtK7RipBA8mfqCFy_Pq9MH7V7OA6T.kUoW.wy0O8EHshh080G5cAR7wcRkbpkfKNYAeZlpJUjR4f3QhFr7.HohoMY6ki.JzsSlbIxTssMiX6GMLyLM4FebEufp2526a3hfZ2H2u5BlBBtH52EibbBs2asGGWtVoJzmtkQIO5vVJjZjCBdAXapKAHrbX2Koq0HtQ98dmcz366h4cO8.A29JUz.Gg2M_xHU.SvNOCNFss0k5gw52hngjY3Y_dOxCXQ4yrwDZi34GiIx4kCJQ6kDXTeaHnVapZ0tQdOpGD4IIo6YF4Rct_0B3IZgYL3qFMnoivrqlg5LqbC2wa7wPSmF1a2.x6Zk.02gFVHb2sCael0u2KgLZyt6mlPNGQaACR1qK_O.PfofVw4caYroDlZMmidx54oQf2T9MhBQ7yodb04SbmW4nANs_tyj5xE_NLmK1yV6LoShdfsq81k9e0DWDmAiAGgV48NGDT7CATn7YKVBefyRrZEpolPGLE0wCaKNOVN99RSPUTrtPYBeSr_sOOWQuERJpRzjLKei4O5nmL3dBiGnR667E7eiJ7egsJKyTlCdjqgQSaRit2kD2sDnny9LKzS13RItZ.WXOxeLJfsorDlH3R3ytPaiyoPXA18WUx1KXN1SqZhHsPZraMfVmpwcNCpFcgIDD.Re2g23_UuY7BxIOEdqmQzPzZXIKVREGSnBTs53roztQ3ekjPtRAoBWtcOH3KhNzm.Hv3GTDfn0yIJgbEN0baAgX4SwkUltlrKDB19qt1gqDetA5tEfqaEnbILR4gkXCvOvW8WR3pFYrkGZvt7LcY_N__OFZHKZSxflm.ZS0gySr1gFMVNCxXTFel4JxVykcypd01gm0Yz6viJNGJ8meNZiczSZoEX9gajBt2QYUsgoGAvEHaQQzjA3ccjRkR0cLzToF63mMMa3kSd.7r5_39bhFWLJpYqvF6Oxsgw0KUspnYqW073DiTox5weTEflqspJiuVue",mdrd: "jSN1JT9Mq6GSvyF0EchUMJj8PyQXiev61grbyxfXtlE-1739099493-1.2.1.1-1Y10CfXl51CXRb01yHZRviAEZHz70y49W.3US4I_KOD46JoPraHFAME4puh5Irlz.whxnKi9dN2PGW5v_EBTC8pTxqLGjC7yz91Xz_cDsUXe3vwhENeVzQ.8XipeN.gbnAE6EJWwvhLIxRETy01fPZimcwVSRViMBdLZ12aToohTHi1BSlejEcTKirVH0_HeIYORbFIpG6f4Y_e5xsZ.Sae9XADZbs35E_ItiKJelRYlHvXeIxFEDmdKB.R.OGapj.mwMOGgbUVV06PwcH7B1P6nm4XnDAMrLC3h..nFLefgFuQU3G.FnevX8YZVHDJXdYBGXOVNfZcPoDg0EW.qHu8FJQLQD0SdweA3e0GCmd8H8SUTRb60IdYflUNZTI75_8c2f_G4BbAKjL8LNZ.0L6fbvlePpgPjW3egJSqN.g2VHkOJeLTAzHYIF1XrBbxofiLq4MYwlRHcgw89nwo9pGIMn1ztHUhiXY605AIKhgs7eYytfa7Te2KCbzv5J6ZomhHaCLacn5PzZ_FSi9xBAODnDfLEgqK.tatziSlq5RS9XKh8TaLYZfTWLrh2vvtoTlSF.LWAYa0Cq904cpNi4ac0vCXwRjkEnKMGiPfM7EfW8bhFvo1PFMj.IX18oGOxRb6oeIBuri9T05QYHo8Sh9Q1HU5KJsKKwDpVkc2cbngRSC57p0AJK9YDpI3TZZ4Ymn6WYeKzNPstsFobJEZrjAEQH5p02Q1Rn0_Udffn1uvV4UTOkMZTQtshN_fmC3m6nMIAAP_li1E0GEOs9Nu.YRJU2L4n2NNwnTEuY8cmBbEE.QXJ2PXwk_GYYdP7Cwq4HhJ3TitLYVFpgpEDSqLRZe76vD.wIuw0NQbSQMZz4qcr3nXiBB5c7UqRB1v7U89LUwWNty1S8JP4OMt_7_EqVE8dsw2Qz2mET9CH0NWbnUIfELfd8BY2QVAYob7Hl26xx.pE8clx6VxE_KPXAlbulBDOeB8pCOp.ht1DTVvLxFJvNIJHAG.731HOxWv2mMbBSZIoodiOmcTjvcPt.I9pRYDz6pSqgsUy6J7wovGt7pGAJbuOdXt3o.Ycll8T0Lh.FVkxi8yc5nOk99DAoylMBYUKetzQOlOTRYaRv2OqkwCCEwfpoJLOPY0qUQg8rAfmzl5o6q3tYn2RDr9H9NGhlDg.xL.akD.sgSKqXPGPO6lsvX3UH_RFpYcBcPNT.Ty0A0oIFMprBv60MpOPqqz4C3NSLAEwmT3aU3pPcxUsJT3wVYH_gu2DYt9oLHpdGFrck61MgkGFsis3Djzrx_XhVnbe9lcOaboit5afZIpgTbeux91gWinSqIFRGNJa4pL1mzmXj3RKfb.T0IdPQbnkDZNL2pMQ79c.sSXB9ycfiVHVnraMkEDqVh9wPnY_2pl2SxbfuML8uqADzttyU.RL9W6ySaGeE6sE7x._K2TAwmIcFMoVsfrWu.Rq74j61.ouGfTvdH8jIDXGnF8ad4xjrUdjGlJ4JyQX9jCOfyBuTtGx_85Y0D_LRnXIp91nEVLZ5PBT__ru3tee8vZuE5zoUvWDFJkymTBYRnGUPR.NaLwPZk7VRfkEgfiRO5NmP40493VdeQo2YS.Z5PpT1U_qVlLiZjcYhCYJIM.YsC9ClU3NSAGsBJX7edYyUwdLmK8QhlYEb1JwGCl63bFdyyciryNIGTFTrOFBaJgA5ZoHN0rtn_zD.jyLtucdFJmFkdbKRmgU8JUeUFHqm8HUxP8O32snKLS.j5_0MyZhPjac9eWU_bTeUWH3Z3va5SZL8H8D"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f36b595dfec975';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\/5940237186?__cf_chl_rt_tk=N766KsI_xRNuB1yWFbipxPYgG_fpNZ7sEv3QLWg3bV4-1739099493-1.0.1.1-BpPXX4h7GLX05ySuamojP4o5bre4cpW3AFwhjv3J8bg" + 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