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-081954435468.mit-edu.top/post/5109273486

  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-081954435468.mit-edu.top",cType: 'managed',cRay: '90f82f03f99705c1',cH: 'hijVWG2TPqA137WSFTfjSv6Z_JnlNTr3MmxQB5Nt4cQ-1739149450-1.2.1.1-wE4nhcfudq4jmj1DszSk9D1yoZGtFtyiMpEZFjINTJhUVs1iZk7BY2s3f_Rrz7RA',cUPMDTk: "\/post\/5109273486?__cf_chl_tk=hKnL1512cMF4DsS233L1CsNvib3d5VdrMOGuLgxHgdI-1739149450-1.0.1.1-4UJugcWz7ClOsRgTH06hy32CE3fyx_tp52AZGnrQYLc",cFPWv: 'g',cITimeS: '1739149450',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5109273486?__cf_chl_f_tk=hKnL1512cMF4DsS233L1CsNvib3d5VdrMOGuLgxHgdI-1739149450-1.0.1.1-4UJugcWz7ClOsRgTH06hy32CE3fyx_tp52AZGnrQYLc",md: "X6.EGMHKBhk9QnS97VllSD5V3jszoajIETv7sXsqxR8-1739149450-1.2.1.1-3WYLQoeGV0Y1l0PSNS1GjBAl0JJSnuDEJGlDu6E5tN1rb57oRgIkkhAZlUwQLBqPSWhkaazc3H7yndBANi1HjLIPKpHE42HNgOBC2NE4a16Di8FPU3ZJ24mND1i6T9NOt5XNsuD55vRZL_vG8ksvWsZ9C3xnndsQSvAwjfZBZWs.4UPrmrvFVDcch0zn5.6os7cGgMDLKdjlQfLOY4RWpMXepzMcjEsX1Yu4aZIkA4Q9h2cIk3xAH7as_PWAKom9xQW6UopGpe7lCY_T_88h.svcyYPD2Ct_g9.pHaC58IjtwvLgk7aQYrMjtMFxs45_PSozLHrQWGHTzN1jWAWiNWbXbJ3fu1St6q6VzZx3wYPou_9po4SDkC7M97G38GMV5ezAFLZKfeqHVZX6lI2iOZerOeUzqRSORbumeATwZKRiGJAQ69pvWEJBCTSUVTmih_674gcBopTHXyLqSMdfrktl5ET8aXaA7IPOdR2Uu1bDUQFUFLFiObByA49wwg8vF02D21V3lJZvgyI7Lx9Ho41QwS9mBaKqSzXwPXnOx9in1q5CvYawCf7KnDK1peoounrf3MkTeu0MCCUcafn1nkWmwyRDLug7IN.VGTdFZfuLyXlJ1ZtbDdgCr8HlS0AmONiiHFX3mDZ6PHZs52IQ7f_0XNZQcVqECy0EncGH_6U0nES627m8g83oVnuNFCZ5aYYpuXaF9vrnFGWhir3qeRJh8gOJgHi..BBca_enlfyIEmubvj.oujMlalpPqt63KdhCck95OWWoRlpIEn854KLv1TMBYx2LiJRgCWWbBlG1Hdvri2klLP730bCr5hF_2ZYQd2eEQnAPMqs1M3OzmAseY8aiqT.k0g74MebkMO0Zri0pdRbtca5cjUHLASftQmbw9j92FYVCUvwJkosOpOJibyqn0cpOH.rIGUeZ8KRRrCRr64b5KjL2fWn66SZzwvyXmbxd4nnu_m0givb2Y1a3PsEs1k4In5F8e1j2gUIaYswCQKPO1ZGf7aFIF8JF5ZHlCCEpXiRcXgjMKVFDPqpmzVvyfdAWtzpO1nAZMvZAITOkCK6XuanJnHiHBTgkp9EE_OcXDr7v_lLOWMYzcaHrpQmIIjz6qRrOwBzr4FHToxCejzHjULeeww9qBv8ccrMYbYuUcDpZ2AmTOkJMtzhSWSnjdBrFykUt0FYmRDtUovGCgxfVzcXxY3Oq_TnPKKMrz.IgNhc3S4OfWrAvPfYGFUVeWzRjVru7cGbpAwlRFHDoM8LCILRr5GpHKBv55zu9tQrQymrliAG_wipY6TAXa3tIas3dU4B9.OcctiCvuGeKkB3SAbEFmQ3U_wZXfmxwDnX6WPoLSkvK7uyNvYSMPJjqeNhSdLhz9kUaQW5PVenD5PbwVcX85fPKv563ZWpk5pzDMxHssoRCUqNFR5TPKtHlR8vsfkLy0njOw9Sy3pKBHZTGXFQy_35CyiXRmFJiQiOvE2liwIiPs6MfZzq74j9KcAn55hOT5LM.QQTFZ1oYEnsC8FQf5xd4XMYmdV33Lr8xyGitaaGLwsQNuUp4bbBvZNGpAjuHZqgK_9xmd_IXl.FhZaCasPxJDgzK.dLbiqjfbyS4pfybVNQHWe11Xcf5UrYHDYwwpDrGlu8TUQUOYnHHE2oygniq1LDO1dZM0lW6F.TNIELl0ywYDnVy5XyzwtnBKp3Ula84pcuZZA14xfh837FrSCtHnQ6uwkJPF8arsL2x9nULhnSTP1ZoTUH8F6dTeNUfr7fNwWZDIRYdYZp0bl7AbgFbGHEpkaW0bO0x6mEX1yhHrSfPRSafnZx8lfvN4RKMLEuTsBaTBb0hCKBC.iIKKOd50Q28v_jo_o8mf.hEeKFUE3Bvl6R4m1NOEZ2Oc3p_f9GR_Cv046FwIw4WexATe73aAl6nvrhcU6c3XoqKgHsIbLkIJKBr5obd.CRpcVwmdJrR9vcfk0LW1C9Q3.x2RkJqbL_xG5L2MstsiIqVHRfInJASlUN.i7dxd8auSTYRdJArRw7rGroe7hVxdwrUmGMkUseVg.5Of0gisD9_5fJnM96TqkFLe32Pos1L.2TqTXGgW95eju89GIB_e2QHmsUYKfDeLuBc8qlUK.uooetkOug5WChWSoEx5Z2UTPztggKpFN434EGczRf5UoZDYUx7.gs__PATa60DgpfRhx4CCfDfe4NxxUJKoN37qwH.mtLvbzxSm6uPFiy9cTptjHQwbjPv",mdrd: "Ewk4kd0KHfpOjq.u37wRRFzhyKhRkt8.h0cnPv0j5O8-1739149450-1.2.1.1-FWRtasgM9d86mZbAueIzJfs9whOpjiGKyQblEjR8YPvepq4nrW4KiipQq7eI7UdL1DXP_pT9wpfoZqrE6J93Dkf7Li2at5pX9kTwlgtIiOVSoqcuIbHNNB9uyFKH2IwVB._R_TpZ_bjt2_rlEu78lgIi4bB9_x3YfWbx4h2rRK1jMY62j1AjSI.aETb5yeJaIH3n18CHJ3nynzXWu_4nI.YfUxHRBnktHN.MokhmpEoi9c9cb1qlaBrsKGx8HabDDsJbAxxL4MY93VQwDCeAX.KgfPFm1gLX6K3o8B4sJU2BktCyplboGjXVZOmsce_kx937K_cmYNnJjXbJWwcbMsAICeVQUbMnRWOK7Y6K4hJM1ZFLwNp.hVs7P.pHBy1LkZYCF73CXGB4bbZfNTXpsGwDW4ATMwNNt26CYpSPFUEg_eV2H9nhwVQiSXhUZWgy6kk1oC2bOMC941Kl4as2enLCbhCLayoIuZGtfjmL81T28ahQSbcoFAOzylGKVeN9tKYWVKWdlArcPrep152NC4qrqmljIMaJ_.pokNsSY3J.fGSG7zrWW9SyOVkIRI_ClNhU8Axtw86QgUC7KbLqP0mE8wK95uDwiQGN5QhYnrjlt88a.WshuT5p6AglVPXP.37ECRV.Umr_Z5F6Kdy2qMcwax9mSSmuHscAhLvgUrsmkk0hOV5s3FV4CNpmuuFwseIHW1.OGUSHsxcFqAoPkcnUPlstMLSs29bB4DrbLAjFlwM14h8IFjr3v88fjUivoFOjbjT3_oLEtNiMb568y2VXAh7U786aYqI51JqeU0W4exj0CV94Q5204K1syPg4Gu1._KuCwIskt.z9NlSJJvRERhU8t1isFG1ZoVYzLJHMyMW4YKFbki7hS3AFefMFH7fB3mAp1XeEM2HsoyZF73f3Oj2GeWwvNMj2TXY8.MxISSIMeP30B7BDOgU6xSRLyPaCiLJYwaIq236V0kdzQIojhdNPK7HhuQzcEaOuWDSm3dral7ljVT6r.UYSZVGwY3iwZMQu0Rrya1zYuFedJYxaAu0I7LC9nj1kF0TqyHVcCv7mDWRMK65_G4E.J7uVrM7ctKNPMGWvRbAKx4BjV6CLNdQTo_9006oXLvvxRs0SP_0LLin9Rq7SIeSfkqiuBsh9ayLTK0Mbcxidhh5DzFylxJugDruKvWm69B9CoVy8zGX1W1vWHwzH4jpBRZDoHhbPpgG_hF6L1aXEQHNVL7fLx.yXXbiUoXpE8PuGN2ZAot7z5qppxxyjjgJj.4NeQOcb4fm5.JfOsa6JAtOc0cfDeB0pgk26mTv5ufgnfj08hjDgFWBJP3ZZwpJu3.miJ7fgk6FvW_x0p8SQ8fEpXNABsFDz_7Me8lMOoyAwCMkYxt5j5_6lhRnzrUjNEtLwtyFSh3PSnmv8_9aMy.M1Dq9WhHlGAc99ApaOH_kKvICpSY5ezgAIwl67WKah8YQHlW5jPB4geWcDqBQqC1MB2pfIyG6eDL25frcv7P_TzRE1_YA9ILFmINb07JR070nKPj8Q6A2HI33x5QzOGvrR4GdOeh0ORKoJSqoojcppKIOwXmxs42GS4aZt02ce1y2ZYmNu04HgvzLZjxVZOk29E8rD2FypoCy_06rBpQ8jDL9LytIZVgEMtz_L90.yhUW6mC9baIXFAnSeiOqda2wOnbduErCx4U.h2PfpFaCIZV_l79lWInZSkxwVRlP_g9aM.W3ttl2U7mUi.YJ9CThPOlTqsAu6EMJVhpnFeaW2bKiBDZX2ro_c08wUSkPtl2ZLd5zGa9_DbXnJXp4mNgqxsauvsUgGmM9yDoX4NPz15Qw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f82f03f99705c1';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\/5109273486?__cf_chl_rt_tk=hKnL1512cMF4DsS233L1CsNvib3d5VdrMOGuLgxHgdI-1739149450-1.0.1.1-4UJugcWz7ClOsRgTH06hy32CE3fyx_tp52AZGnrQYLc" + 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