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-819567935622.mit-edu.top/post/4325796801

  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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-819567935622.mit-edu.top",cType: 'managed',cRay: '90f3ae6b38263914',cH: 'Zpa4uiCkwxsB9F5HrhtwnwcMeHpBNuYC_oI9sh9VSv0-1739102240-1.2.1.1-tyr5i50xkW_xSzmXG.4UON4qrlWUGug.n7sOb8q3lstXvv82QKQymkkDQFGD6U0y',cUPMDTk: "\/post\/4325796801?__cf_chl_tk=zxGeYImWygMfmyA0TOFG.Ia3PDDmKohz1WFOPfUthYc-1739102240-1.0.1.1-Kj0RNckBD7FvM2IezeFcyjgaodVquua2CBPQlB4G6sw",cFPWv: 'g',cITimeS: '1739102240',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4325796801?__cf_chl_f_tk=zxGeYImWygMfmyA0TOFG.Ia3PDDmKohz1WFOPfUthYc-1739102240-1.0.1.1-Kj0RNckBD7FvM2IezeFcyjgaodVquua2CBPQlB4G6sw",md: "StpA10YVu50zNV1f85S7nUDsSple2hEVe38MNZssq0o-1739102240-1.2.1.1-jp1AIOATkyeAEUtQjA6.JhF0_Toh4xijdogQSwXkHWwzP5SAECv3DTZpmRsoqUPR3BcoOpnJ9mQ2JcxnSePpwmroknX3.99wVE.Cviga3cd8SUagrpDEhN9qpu5yNj1gXuNlv4pDCw0TOTn4HPGQVMtXlWQDFwCi52SvmPgl7HWCc5XbjK4b6IHICCK4rzd67ksInl8qhoiYZdqgMse8eeDoUCfOx_K.RC.21UwaAuS5nsVTyfF76jv7_NWB.zq_RDUDGlcfwWqQwLNMis8IDCwqS7T3_beXHjbt_WHPqMoTl8nkP194pI5ova9Yt2O.NRG3Abutq4VIdvb8aycaXFLCCz5opHgaWqfrhZltNX950hfBY97QSWiF7kw2h_T.gr1KcHm9KCsECgwyUKFSBdj4LkyLKNzE.LqEEaBexdyG6b2PB9L2TtA_JtMQ60rV1WfNBpJNCXaxVIt87FEOORB7B6srL1pW.EHuqAmOpZEXHpcVF3Pxs6C.X2KaTXxNlB5zkAHrU55VPo6YQoJHgaLfnV4yV_oY0OXlqyxeINRhVsKtmvExNHcfndSflXAqhxhfVBAz5Xx.G3az2pEtkNiahCeoWLWDELJnEq8.t5gF1IqT3l11p6M.GwJylgEeEy.XCagHllE2t1J7xXh7CpQEt_sG7EjBZB.mwFy2iXvanz.663T3SSg.ihhT9eY1pER8obFwZCpiN_MtwJwH6uqTWwY2xMEfB4ByfW89JO0dOIBU4mB66.qSzmIU.hSOLp_RGS.eM5nZ3zc5QtVWd1VmyqLYEDilvg6iz.nUxLyZfSEGBolrdmZOowdqFlN468OhJlzYPYTZe70jCkGWLPgOkRGg.uwBBQWg6w_LH1G6ZuOPnOzDkOn9IkuDKbWlGiGSyTZfsscXriWx7A_gbQ5WqjAdnlg7XKhRKGPvjZANS0FGJR8iwC9437UepZ27GeQIu9wDqwL.jPff2tsiImviOVp88yKmmVZ6k1zoEQF900pPSEZF2horcyPSjIYDJk7VuWkT.IrUjiQbcga83pOa9v3QtRJNcYyqbzP4zmPPWjPQqaKzvLofWLr8eHMCDkxAmOyim02Aia87ifj5dqv4IV9yV5ItQBvccwudKepPguKtAa.Xnq30BtDI2FmCq3.e8lpygnOP6jNv6BxtoHLTVo3UlzP6Am1osr0UQUPW3gS.oKGRmc_SPVQamkkHXMZcD.FvuIZPazteNz_a6848RkqwNbQ9IZKNChTC321u7mvB8I2Qd5Rr1Eq.XfUc2kvUHbQBe9_YAaZSXUkX087khPYKLdclcAKhCFKj1NrDc.Avvv4qu2fYuvIM5wwGjSHFcPa6JeSq0RPvMHrstgO_o62hgRllqv.KHPVhUarCPQx4R.WZE5unBndHT32q0XfIE9F9eUoI0.f9tyi8WKp21uCVMpdLBhnqHYZv265ARIZItgrzm_mCU5__ZErylAPERqr7OyM6keNBQmdBJ80LXn2E6bI07fq.Lx6DWeoPZ43H70cbtvp8wzYrC_uTkMgm0B5Hy3..TG7HByJXt0uRXnMnGUp9lf2ASjoruEqVEXNCln5PCHF69JKzdnvTWDmwXeSgZuySnT78jZ6IydIAnzN4IIW18rmyEB9diHZtJLNRI.JnuvEVXH1ITYpVrHVQtno.b9EkE6ejsTWGVj.wv4Kw6lxJJzml4IxWJC.bZS1eOuOowxtMO9yk8otYeAh1vZkiUxAhHfGo4yPM.IAcmoBCB0YzaRE.HUl.gJQSO9u9Yt.YGEjR5yZj6gnTRmCR3KR3owMsm2XX53LJOjxkqDTj_LpjNMqAb8g2Ra2Ae4bSS9UnGjR4FaZZr1i0_vK0_tVvXPlpdyZb7pcHH7c7cRntfeE12fDShx.7TB4B6iEwFIKPCDdgA8JZYjtqDNcOJ3YWyRQC1zo9NUwzUJEnRrv_8lPdf5drcB6kAwd.SdBDMG1u28Sgl6FKhwwFAxEyhgmX256sC98d2.EOYGUbe_5imRLjjNrhntVkOruWQmdIsasAkrxesiKjYfOpUI9mH6iENTnyPIzPXWlBSvEy3oY0vrmmJ1rKV2NtLCK4o5_GkzWeEDVebRKXlt9x49KwwiABOKmECq4kMVcmG4R0Ogc0ur4tow2dcff7ikLy4Kzv6Ku6yy0IlaVdKgRmoPrDXaLKmm5qwMUfBOIh1sFqOMqLc2LVQYpwLuFGvaZoHh6yHDQvR2pAi5Y3upx8",mdrd: "BJeW5ZQeOAogQITNxqEG76btE5cKxsal0pS2YpJPnpE-1739102240-1.2.1.1-H6.18px0fZI4HJGOisPbsv01Pr5cROEJ5vCxaA2WXfXXOlUsrTN2zGYDs1ODiAoFtdWdcjC7jFbKoRYUCzf4.OOarkwMVreQYlnZHZ7ymoYk_tetWBQ_ihVT9XUtvo4TcYWCGbpf79yIb0UcTCIdp9D5aWlvM7_6FguWsN4UHw8GrajthgcjlRFMFAtUGhenM2JULs8g6St2xaLNwmYWgWqxKhCdgSF27yXcmScbQ4CRTWCYjvXzqbhkowp4zW1.xum4GKMaG_Bda3hoj34PGQaCOcBpasSvTtC52oqFL1Ke_m2XhztIjs0AdoT58p1VpJPuZTdN_XkIsxZP6jXqHaS2sJJPVZVHGWQJd_bXo8iffHF3GeBtbtkLG5XM8GxSrrkfhjdH6uYRSR3eziab7Xm5WAcaNHDVNNjOMHTMMGlcT4i3ETEO0nuaRDfNR.bDxsy7FzriNRTGsRdac3HomD0Q.c1R2KHqrEkQySiGhV5yXdeFv5W2DBW.ciETRQkxnQ1psE8JmBqIZNIuFLJGSEfC6NXXxLNZCMH1nagCb.hP20HZjfS6DLrrVkBJ0tAlDcPrB8HsxaPplQnouC3nDu.namzh92Hvs21XMMVdwRiCxV.OiPKHA9xurF6k9H2EsvYp9xW5M7Ov8TjDKteYUrEExcD3QLJ9QqEG4znpLxDS0Np3CV9lgeYNpvKegdFAlhCfoJm9PJlbG3nBUoiXklYpQNQtcBdYS66OuKUkbcT948E3PnmVmFV4Wz3nkSZyGaAgnohxnpAoOHA9PXp_xKHJpqSGRaFN.n1zOhZOhIih4lsn5HIXXxvrDNkevUy9mSxQ_.9qb7qPfbOfgLpTLwqRD8FT.VhFkn.Rg2bXLwkHsgD8in6fokVdQfFSHC3_9ej06s1SnQHdq6Ep4Mqwx2WGCHiz_SklFt04KSCMX.TXH1tDM_Ik1LhEnOqVzmKnhUKh.FP.sM46fiEiedPuGPEiqX.rlrtg1U.3Wmx2UqoPU1qBKh9i.Ufp109Cg3CHzF6iIUQCHdDM7MNe0FmOvM9qom2YzysFbrnEqbWeRCpdWHwBFEflX9IU2wSX1dn3942ScO46HABg57NfoP.90aOFcToAlaynpnG8qWxiNDOWgBb5CEuIPxVUAEKMh4yxZu7VcNn7jF3BkDipEMzdWgvVd7eg07B3UbfxQZ9KnQE48_.ZTIsjjZMXa5VeQ6gkfwpSJqatlZUV82C71Oxw8FQgoEYqQ6DpkcD9aC2Dwuy8pc_uhLW6M7kj2E0W0se20CbrANoY.6tQO_OalTi8RgcC2GlIeBhVNc1kMoKfTFTQiBcrw_ulmQDmcWcEnnTI_QsGVGya56h43Hk_EjRmLhTphCklS7HQtby73_Y4lLOeg5J.sVEQArXqAZhfGuSjroOoly5uy6AM4OAJBRtF6Hcee3IiwpB9GetfUC9kjpATH.aUBkme0w6w6CyktRG6h.jtpso6mzeGvYaF7MfufhqpnUHNH6e.5MCxromfvYsCVFPXT3kPRweHiEfyEkCkdVijucK_ri0Kz2FWPLHGxgTx9.D6wOs0B8wWOZ.lxDDs87ntL5StdnM.D_JMCxn8jJIKNYv6_stYfysgTN1FTh3JCI.zKWlxL.p7wMjDnAQtfFDOHvD.3vm.HdkaMNGNsvWOOW74eJ_OhYyTwflvuSE6if.0zZFc4j2YXZpPrbRjIFNdiiPlj4LPie08ug6W3UIK4ZJznt6qK4nD_rGjkI7m5sXIYXis7HGGsgJLhusMd5yuOEy3RaoZ1Y04w3mOvB88tVr6ZoLwvJOSDtheEQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3ae6b38263914';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\/4325796801?__cf_chl_rt_tk=zxGeYImWygMfmyA0TOFG.Ia3PDDmKohz1WFOPfUthYc-1739102240-1.0.1.1-Kj0RNckBD7FvM2IezeFcyjgaodVquua2CBPQlB4G6sw" + 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