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-affzqjb3w.mit-edu.top/post/5368094127

  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-affzqjb3w.mit-edu.top",cType: 'managed',cRay: '90f37cb8cac53b30',cH: 'bdcon3.ulTLNWqkZO86NZohiMSV9q1whwTp1A9nI6yI-1739100204-1.2.1.1-tRQ7fmWyaZbJmpqBpyA7Xz0m0hAGx1vTq5gHjkvM8gIwyFRH2PaXc.xY61_PrhBs',cUPMDTk: "\/post\/5368094127?__cf_chl_tk=uHrDYd6C_pYDoB1Rd9lrT2C6.ELL36GIJVPKrQ_IM50-1739100204-1.0.1.1-Cde1y9piPzYliDTQ4KNLoGHTFKexjKBMHIvUcr_svlY",cFPWv: 'g',cITimeS: '1739100204',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5368094127?__cf_chl_f_tk=uHrDYd6C_pYDoB1Rd9lrT2C6.ELL36GIJVPKrQ_IM50-1739100204-1.0.1.1-Cde1y9piPzYliDTQ4KNLoGHTFKexjKBMHIvUcr_svlY",md: "OsGR4jHYnNk4DrHi7QqbiNxkcJ3IubeqtCRMN6dpHF8-1739100204-1.2.1.1-j9ZWtQRuoc.JwoXESwqruImBKwOUBdtjfrEnM2maRxPDxiVT1M6QNkFPbViWuh7791HPEfb98sj8jtQzwCKdDAAxaN2j3401MHcFMsHyJBp6ng6Lu_ZmVT8DjlymTcTV2Zfhfw32bgb2KGjIKU.eeU6W9k1R3aPXyjjIE1xLvVZXy_6wPw5VGIVVVkpLEqn3LTjv3Lcivynf8Rk5N.DlxVruoFZa70DeZLCJIwsVBzCp__VJFnubnxC.z0C5rK1F6IStTAmkZkYUDXVQONqXFSeRUwhZtyKE9asGrXZCEsQQGHLOGYp2PpsKXHMAeS0Bxz9CueSqVabg1dWr_EdnwfDzXdYgkqwXnnVcoaG63rH7WA8mTGC8z7f0FlU6Nf1JAdP6L4_Ofqlr34F4UYuFhJkKUkgLokwoT0TTtLDLdmNFSMPsll0Hr4Xk9ubCUnDVBhiVCUR20oxvKmMyKjrgbYLey9.Czn7sORB_vuafEbYy0_FAcAYRlWUFxVxSjPGA2gti.K6cIaEnnogkTRcloq1nlpZJ7HupgRsCA_h_5TZgvtAO8IiU5n1lBe2mRrilGH3yxphmYthP6Xm_C2e4vJsNnbMYgyTcQMsuUR2U8HeLJbNkuT.JKmxBXfpr39I6s7QYXrgcFVPZLJNjs0oJsXTnSz4zjFUSF7s6dC7fp72oMmBtahlvotxIyAQ6xuhB8sTgv.VrUIdmae5.JOuVbCDJWmmvZSR8Hd1DLc65AiMHPdHao1bGwRzBIf9HgO9BwEiyUJna3nBOwu6dtOucInQJwwF750kyeBmwHB.HiMLVma.rT.O5tPjMDlgZB11kQhcKLh74owfCKWO70HKpzgu_Gyti5poH09H.ATMZQCbomJ2nCwm79ChHzh5A1Cd81dJ9nyY5Ldt8_v1J7VWzgakF7MYW9q0wZZ9_wvJXITkpPP9kvJb5JkzB08CpEKLfAPGn880DPrceYz_Xc8tKdzBxiuWPfOY_k4ZQq53QG4CPd0eewrn2s6Sr_l.CMoz5e0Rp6_MfCE.JeYJWNVXxcB159MWtWGYxm.8O9S9SdATMlN7ZVvuysJxCF4nh89cRxhdX1vbMYOKvn1bS5e.Arb7pVmawdMGEFDhiOrxXCOXylW.Cowmzd7Lf.RXQKHqTVcx.75iuLjZGpRkuUcxF.Q0GQP6cAWxEUI1A7MM8oYYrT4JmUP0JLMWS5nmtlkhTBoUHEsGJGqRyvewEUZGZ_q6lz2sYFUJmIYiNvhNj2GeOGzjLJsYa5VGHICaluGJGzr.9x0ovpqGy1RE_p.y17vv7Bdr4ycZph3r1lcLwh3cTPQqvgGtaki5M4mIwmhiB8oyGCNVQwymrGyQW2A09CEms070LuoS3Kwop4zaTB8KONKbeaJzx2xKg0WtosTzK4x8lp5MaTCgQ4tOYSp3QawOE0eRZE57I9PiXsxQB_bbEklMmTV.R7Yk375Ukx0jExO9oQg8zi2Zh9Kw4yI_CqV08gv47pzhFK7U7EI.8suNGWKYlxmPmODFwukxkArVoDV9ilN0gcFKH2W3B6Iqn8pQo4l38a5X0yd.miWzDsKj.ip3OhAg4tWikYUvVe6He74Yx0RnNxl5EwQcWiEnbiWLY1.tnicvcbzAnLn1yL_gG0d1E01Q3.7_Fw9k451yBgUsG1AcLmvB_7gAgBI5vXWcQqz5JfkDZlHLk4y1LsLN5OFihPf16lP.yfu716Y4rskN4LuzSAREJo7a45iQWJ.ckc5_ssXP92Gy.0ItWUIko7DxxQSvX2wGSQCgA8.Vr2tdFUjpOLSE.RhvZ3cJCh10EKYIesE1y1k75LKIzJ.DmdcJYMf3Dy.6GsxqsOsGRVnz.mwvmIQJ5S_CgtIIrCqs0xWadyxMCHfKFtfwZ4pL9l0u5rQ742_e6iMjnwAHcelW.9J2lPzpIv6GtR0kqIiyZbFUvhIlbQRgnTlrIM1XnDHaklFBkWHWyTzvxslwNBKtJwk7_WwoTQ4tQU7oMaoT.8Teb2_YMACdfGLWGJ2EaJFUsBsE2sHIymJCjs0gqiikPqj72JF5cSaKm914mcsvGE8tgcW8Z.eEmOCJJ5.fD.5VLh_d1ZHVeY0ZesX3UODuk6.tO7iPLqyWBq0qT.jve16xgomg7IGfwOAL9iCqy6Pl3MzOOedjZ86ouj4i_1dh1SHOL2bNRJ24AFyQYy6bpdi26.srXR1b42PZi5qcUYe_q2zx9OWNIFE0LMSy.",mdrd: "g1sFV0vR4209CWc6tP2_nBd1_Pke4MYhZxBB0v1Y3AM-1739100204-1.2.1.1-J2ORR_tf78Gpf_bBRvbr8eywy8WcMrk0R_z_b8ay3EPScVEZAfaKIPnXHOI1fFy7oy5A2Th01cDpIRArRe2acvwgPVECIhCKmUV9eADPJSoLxy.XwMA5bm8oI1BDAtIbnvtBvmhsyoIrFVmUzEM.eqQwREiskXiQQwE9u0UhBlm7rlah_hCM0MdqYMAAEMvLKa4YGTZJs7LUulgHjKmf6e4v4EA.mQv2fksQjxS_wGjrG5eXtlcmKJuQCjor4pp0fTQM26jDKGQzytX87rNVfUt4Ya3ItWiUtX4TRM1Hms_F.2IAS43WI67GRJulQRE06NC9PVDuF9_rIrlbwQoBXIPw0XpOdrIPzxGZHUSZrxjzaSNqT_PFkSfvjuNhxh8UUpawPQvxf4nm9HLX1OHJAGNeCspXpszsV4Bn.08EfvqioP0Ppvn10OzCKJYcqff473vfw6cgQXjOMEocpE3897PgxSnUHJ3LZ12JqCP2EPkMbGGi7hLhibngd_e.30k12_MDgbahmAqTvxjudn5_r__5UFONMLYvg5wW6KOBg6WwYiU_UFXfHYNRKlGzUdath5Vk5UKSDzUAURqdm0CNJvf0brfkQpUA5dMUkW8gDVkcwGfj_ARLUUNGT08Q9Tah39wtxAep_4FxAcSE9hTUMaA_HiJnJIH5uk7Mp74QvFcoWox5fW75pWTp3aw1vTins1YGExdihaHH2dYxA1Gz4WCuEi6WuGfmI84dhsj8u4dU.EdPPW1yTnoskHMyFKIRAoWoZy2abVfT8XPYDaMkEPKumUeoC1V7Viuif1AYs3Nv5vSHS4tz2vLl_j7liTY4JzHTRue9Y_vt7DEBtXX.dphL801o4TBOs1QMaKjHEyphi_HWzHudMV7dE8W9c0vhSZnTlJQXc4tMigLPCOOJxxAlkzB1mIbeCOIhB6PvB1je5y_GbQC2BcutELK6czM.tNZQZzXNS89m5Q8cPlSi3dccR5VgYNgUjK6o9jxB7jou9HbPnuZDL4nMLEbDq3LVFvY73Ab1TjwD7fh63PEPBQNLsPEPeZLjTqbBmpsDzMkaaXKBPnfXFbH4cozC9zWkikWeMByXB4bDJ7.xPsPVXNWleU0nLuj3CiIUJlZspa1zDVDXbu0bA43O2QAn_06wBVZLFlV1zp4XuBtoaDoDi.OaZuJse_.dnlG8wxUnMWSVuoWHuTfDhJAywGIvhBw0EgYS5Jhm8NUX3JRgf3xcm.EgdCJV6slUuemL_L9ofhbFM1VGi7Ud.oxafkpbZUbabysw7BidFcpPGDRwIxCLBEo6DzIljy5MyeRNS7WJJLFSj3Pw.PhqSPqHIY.ajgZPAv4h98QQhRqNAW0I2tJRk_fg5Emq9nxulrCrA.zY4TuXkYPd4pAGQaQQ5Iny4TplwfNFL_D6DBlWp3k2VXIL6wsqJ4MEChYoDmpvkAt7Y.yw8wFQrKlM5G2N1.pKWpkDmIhLq4ikLUJ3swYVf5zrdOaj4OT5gdIPJ0MFcWBhQUYNhZHPBobnT9WLRJPrqdoLSKYCfO96mMOdtz2RR3aoXvJ45NW2TbCs7auwW_Y662eO16USpGJm8iyiB6aud34rqnCHcgIn7XVZ52JHRJ3.QPCqah8u0clZqwfCmYiou5sDKoDQ_bToqg0D2VrgCPIefV.PtR99tDPHtO5qqreXulhD6klOo7iuy0a6mkjSmvA185PrkSIGtabZysBZmADPuwDI.dsy2dQeW9JbjUU3OU4OU3NijOlETtyO6kwmUE3BilbC94NHw2l5rP2xlT2UU55nd36c6ofOA.8GmIMz1Q"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f37cb8cac53b30';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\/5368094127?__cf_chl_rt_tk=uHrDYd6C_pYDoB1Rd9lrT2C6.ELL36GIJVPKrQ_IM50-1739100204-1.0.1.1-Cde1y9piPzYliDTQ4KNLoGHTFKexjKBMHIvUcr_svlY" + 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