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-aff53impx.mit-edu.top/post/8574620319

  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-aff53impx.mit-edu.top",cType: 'managed',cRay: '90fcce65fd323b8c',cH: 'p8F.0H6Rcg1GiqwYZt.4jvj.bqQ_6ERx1n.RSqBskgA-1739197922-1.2.1.1-AgWDY1gb4JaifmRk72G.mHE9_7vNRQPxWHchC6uSHUb.th_3I56ECGBUYEZwLMKE',cUPMDTk: "\/post\/8574620319?__cf_chl_tk=HeFg8RKIv.CxzaxmgjBJGlnjAFJfFm0zHLtMaT3dr5o-1739197922-1.0.1.1-kVzGs_BXf1dHohGzhQbqVR2nC_WA4Cb7cArq_ufvqyo",cFPWv: 'g',cITimeS: '1739197922',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8574620319?__cf_chl_f_tk=HeFg8RKIv.CxzaxmgjBJGlnjAFJfFm0zHLtMaT3dr5o-1739197922-1.0.1.1-kVzGs_BXf1dHohGzhQbqVR2nC_WA4Cb7cArq_ufvqyo",md: "aAmPMQevq.GnnnwjnJVNvqboSaUYigPRkO_Nbk5YRHY-1739197922-1.2.1.1-rf3ktFdIraa9BAxyNf_s7O_CSp1BvaFV1xh9GaNpkHmT7EwPX45J8wZNhUZ5qHRzVLZSE9RrfVhPZRzRnYi_AzYvJDAeqLQid2M3T9qFfdnfMBYVHPcwV80j41fXXK4vxcuSgDfo0ux8Sctja4i_JCKfuH7vpLnxvy4To_7yTMk8e32h9_6K5A_TohX24CcxGtVU.GdcdNd0OeFdthJCqn3mtbWj6OiqISKLbDefoCtVIR1UgLpoNdYiYRVEfbWpWuX3Bj.NIuvXOuKhEpG7HoYCNeW8p6ggzbUETBrydpdcpN9FgVVFX_g2XBPmoQf.5fw4LJCiKKJE7hz2_CwJ60tUFPU9sEd15XAMUSD_2FycCr1D9ypmXIxnyqftaVRmuDUQu5skRxVgkj7ypVW.oOpx8utIolSVJnpIAIcGoxpW7gxDQCkYemKVY3yC4Q12rKKY_djEIKatJOSjZJRabRndqG7mMTdcmSUcw4vzs4YyfabPDMz9aU1TAg1Ngsm_2alvi.GK72.CXIWIOVMlitBEQRa.DB6NN6MtCdLyRMKgWVp2apyLJML0389N_M1BsWyhJsgfdoMcperW73cnkVEAzQHUt9DDtUKWavLoqRLdY7HPb0kfCA8F9EOICkWIchCmAMIsA1NONyAKr_PbfdDg7zEDmDwBOWX6F_uInqjFUaNW9DNMu.DZkrzryq6FKbGKBq1aRBOOw9QiDzWfJxun_Dh0ZjigIxMRwH2BODAa0qBapEzlN7zTnReeVEqJcK50zwEzeagDv0iv7e707UeiSGzooIbTbN1Xy9XS2L5Rbu2nZjcAPFSY76fhRGISyl1L7cqQSEOfg2DfmtV1TTZUkdLc.gjlMsObzzj4ZQ.bsKomEkfdO6KagasT4WrOnPJ8uZBqQ01rjSyDbXTAo76IACtmBe6r9Vt3h6OZ5190e.UAjR3Usi2Q1hZ.5J1yyJqWBvScM0CUmCAVxL2mYQH1dXf_xGv1_6gyZ_aL.s3vYqyJKiVtrqMcbARQhKtbKHr7BF4U9NlCqVdExmWILs16eZJco9wEO79RBup_K8nc5k34f283lkC7dQBZEQ37lC5j1XUmrWLREf3ZU_ZEPfc.5jI.8091qZx1eNmzkUjQmz2FF6Sk.KlR3GPjdZU.M.GgUfasOh2yWK.wgiY2QJhbTJRTzKiAWIpfbbx9iZpZKP6vwqxUdcVx2wylnidwlZT4u1herP0Y5T7Yu2A_KQcCIPIEi3AjJL4ShXHoPuafU7MfkxSd18imulHUje7CV0zhiQmLVdzjUmurGcDYz0jLqQcnxnIRjXRomsDmb1VeELODvqjx1PO2Z6j6_qCw5MNWhALIYjvNY2nhfcbz5JtIY7howjrhlYgjJvJ1w38sNcVwaeG4YOoiSH58FJv3cl2v_Yn3eqO74A.ThbJ6P0jiP2b1.DGiCLJIvn09nzlG650oodgyxeJSxJ1NZ8g1OmmBbTmhajQ1vsD2UicjnJqWxw8PfHV_0GQ1UztsF5OXO_Oa7nafkINWYbmOh4qs_DCA3RHi.HJmYfdcRMfdeTz20PV4sig27ZTmnbn56iStNop9HWvy3PGL6eVf4FoN0IN6AfLgwEQgSiugQbtElIE_3idoVuoVS8K8srgJuC6PN0As9VXZybjX8SVBDTs1pPUxjNwAkzpmW4WdTjCH6GijjUwiX2QiR5hmkEVphcPYTjnlimi5H83a.rSu4QaFclrdGtesd.fivqG_N9qij6NacAwdVHxyCuI9HUW09kngSuMTuCucA4I0U1K2tHLtnE6YD4Ctmm2LL6Y8.suAP282PoLyQW0DAa.maZC_EUarS3Qjs.nKFDAG3zijP_d.8DDzI1gpptSb5a8YpiNjyrymPnFR9MuLtTo8.HWZgqWXOiI4euKdgmLca09HMVw8Fffxyg2iOv_2uQX8nd1zooErkD_jK6F2dLz1g5uhYVVSIPJ3wBiJDW2PERsBr06Tnocgg8Gxikm0KUpMtzTPi_ptIk5oGruVJYNYbGVhmSrSwKDjznRgSEA.6r1RCc_F97avM3QL0yv.YN4l.PMhRpKG4_f6EzLwulcaTeHKHWf0HOG_8DY.5V_4DUlgVrTVuH58I0gy8uLem4OJ9x7W_JLpm1cjyD0UjRpu5vH6AYn5wnz.UjtvfHcshjt_l7S3nBmtCgOitEfnKANPFGW4eA92MVG4BLWChXjB7mOd2X3snoy5.qpyOLuq4FwVTgJu",mdrd: "ZeB41FjmmAo2u7GzT4DEptvbRuw1kVd8m6hplJh0fwY-1739197922-1.2.1.1-olas58rFWz86XmecR2.LVnUmOu.upGfruAUPwcY5mvWye7TLcf7JgDb.VlY7hvrx_kyipZcJWh96XnAb_jwTV0fKQRoDg_G_nmcbFBlI2359q6Ns9XFdnp16LlmcctZ7Mvf1DCUfjAwCCB_3lAmd_49Dw7475O7cUY9cqDvOypMAys5bLO4MO_uqwMXtSi27wwycnWSKZM.tG4xWDfqFcTmHRwa9uVu9pNWh3T1FAo8n3VMaAZquC_HXWOv.POFRQeQI9pvrMQETug9AmvI3b3ZhNCXjSuBM4bpnEMvPbdgpdBhQTH_EMQzYqlEm4Wu2jehLyclJIOGyTSou.BqLH68UEbu4tDjrtgQC73qrEzDrSrp88Il0NvmXgmDxGIaTxQUmit6lO8fi.CY1l5rEvA3LuXAa7cqfmCcKzZhuKnQDvcaeVctFLCgNMXuxTTtqFOOyTOontMr4yzKRDhJstFwA1VEYeapqh1bvEplvkGshqnrWjRe8y13fK4_qN_2IhucLfJwZmsquW0agvoD0aK.pgYyNf3e_h6vaEgFQW98x4OJUnERj8FvZRTpAKD4RUa3X3f8nug6Bg1_ElqztMxSOgS.pGroQsofhAzNkhnY_tXfa8srouW8SWBV211LJePzFWVFT3oelQdSNiUfiihWA74ux.sGATwO1ZGKo8r5LhWk4k1gyla9S3Mpc4hC8TRT8fjLG.2dLoOk8A4I5onYkTfR17_z8KnzCsVYNMYN.UXUM7GjokQnxf3btCufDNC2vtRrvXJTek.1VCYG4BKqhBQqR_Iqd_h6mPMx4gOV84nLfnbHwTT_ZZHFaCrSmMBj9TAdVUWuNIlyFNMqaDjtkjRQIcAnhRBuQA2QwCx41OB8JDiGrAKEDmj14HeGbv8xKjaUdWilOTaFDUmoNNkT4y.1qBAj2FtO_Bu45iwxgSxhVdRLiO06y2wlGoShiBiNZR4fbyJoVCTRfegVYlH2yuxPeNsXmPLCuYfAEkkb4152pAcPJCzG_iKcaFcaQt0nS1R6l2zCfxMdIo8bZXgSaNzLVJdeOevaYjMMazVfWYtC_bPYSlkmw1S.cir1FQZk35eCpGtzFwOwiJjP75Z.iDWi5BNhK9HiJVWP2TVH_gcsRZuDsoO1fxwn1INGkh1vSVLoSgfn_3dilBZCBk8iP2PoiR4BDwlwEtSUf9rrYuWaHlKdUJ1TtZMFsrTeboGf_YpiACH0DO6yb1w2kGD2vVLIq3ayJ.xvGYyxji.QWCR0091sz7GkhxT15zS87cIZZSK7oBBV9blPvhjIFf5uFREM41guzFfMAjQt6qKkcOCbYCkyRVqyBIUm6sdvohSJMkJRGYew.W7o9xtWw9N.C4O1YBBDAvKQ8p8o2sxp3.Y8ph6iy0qAYxKyqiPCfNkDrUSgnpEwi6oj7NtJCeyOTPYAg5XTGMDKD_J__C7oGFT3rwLKxKgsRT9SndQ6ZsVdgfPUtaE_YQE4KR_YCKcVa042sUIWeHHuTy5PlsRrE3ToYpRJi0AWMlDM7X1zwx7VfiXWOCzvQa_yMVhpNQOAyEOzt7KvbKDqllfV.FGYqXcLOmHruxplbqHiC508VUUUBQQA3_9Qx9jm9mwiWb0GI6DXbY3BKo1JWZEjafOVjWqKlkRbUIzUjSj9zVc4oA_6yU2jtgzjIc6IY2MrH8z.qNmelDDAY_s9tr.9Of3cTDCW9bAqjtOny0uNGd8kP54v8I_o_iw5nBvD8uu2.LHTebbk_aq4dcah3uRfUMfgRYnj_jN8WYFwiDZeA70rpk5I72IV.Y5d4FfO2Jij6TQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fcce65fd323b8c';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\/8574620319?__cf_chl_rt_tk=HeFg8RKIv.CxzaxmgjBJGlnjAFJfFm0zHLtMaT3dr5o-1739197922-1.0.1.1-kVzGs_BXf1dHohGzhQbqVR2nC_WA4Cb7cArq_ufvqyo" + 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