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-affws8isn.mit-edu.top/post/0386297451

  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-affws8isn.mit-edu.top",cType: 'managed',cRay: '90f3f56f6b3e0852',cH: 'wQ_cTZqtKVPkuD24pxWI332FfWtO4W9e5oqijVC9ckU-1739105149-1.2.1.1-FoqDUGBDSwrPyeec6kAdM2ASKQ0CBnf_ESSXuUP_K4GxNiwVDMCEDedDN5kpgvZI',cUPMDTk: "\/post\/0386297451?__cf_chl_tk=EGIWMbYFK87XawwwgRu5wp1Uiicq7o0kbAYR_ZBgz9s-1739105149-1.0.1.1-eP3MJOzaj.R3hPLh9qQSH3ozexKrp1PlR89DXM_rZTQ",cFPWv: 'g',cITimeS: '1739105149',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0386297451?__cf_chl_f_tk=EGIWMbYFK87XawwwgRu5wp1Uiicq7o0kbAYR_ZBgz9s-1739105149-1.0.1.1-eP3MJOzaj.R3hPLh9qQSH3ozexKrp1PlR89DXM_rZTQ",md: "hmBYSxgS_OQuvZLIeFAD0wj64UqGyQSKPDSsie8XlCQ-1739105149-1.2.1.1-fJEAeFIq4dg40m71xffrTqJ89cJo3EbNElQBLRWCPSzJEj4UAPbgLMdaPUjDDZnsSHGPT8peDs_1JqOheAZ8WGI1_2YiqCdcTJkjzyLnO9zgcbRwM8JOjxU.agzhNnb6REKNelobhXtA1ShNnYa0LAKyG6RI7hEMF0VKUytGnPM.JetOQzvfZo2mAgfVKYY041ezRFAxJDvoL5U8hCFHPOyuORmIoH7z6Sw74NIl9ThL_766khHWX3PJSfnh9dhV27EgOxVCpabE96VWbgKfmZEiL0w.rvWIJptTpb.baZsHCATsvcGbljoGmOZWFhZEPVjQFAfQx52dPXRB_LRK8YtYm_vAF0H708_Y4C.Kgx0IOYMp__46Kyos3272wBxZ_T_6KOi1Fwik.rjoi8DQ1jd60hSgPePm1LEisOLKA3FOHXbV6qhNLnzl9hdvcFEdxcJXJ1dWEH5F_Ay8d97ThP4F76aK9yVMbGuiWgaDvhcFo4L3jvQcF241URR60FP9xMQcsi7zuWjF6BHPUMH77_kWhwUji9dZpYiPUe6DyTuyGraIUhCC9wX8tfFJVpz32Nw.uvVudVURXnfhszyLEF9gxYcFgcOv3aZEUqFsTqmUhtuU14TsUfMvtXKSXy9.R_AZiR6PB7VtIYrZ3K5I0m5FTs7FAwgqlpNqjQe97hzHs3HEeXJPadc53CTtpwoPNT2GV5qT.gltRMEJLb3TRFp9WbZSAwXL9KnheAu8X7aE0gEAxC2gNDgpTpmCr72iG3RkzvP3.nG9sKOXUF8IHB.JWjrVbXqe_4oaH2Jg2wwgrFklAgnqTe4cFydQuKZSQm2G1l7isf2.L1fYLofzuws45GxGCMEgC4fFVSb8Q5iZFWvvGOZCfrLp11LEUhoyQ9t_Leabak4PpnJVKTbV2lzXyUwxOSUV1q2Xzg2Is73syKWVzP2.QEL.i8sPa3GLYJbA2Ttx8e.IfWg9gJ3yAXpoNTrlJsRlnD99tpDpah_7QUszjL.XOZU_CQU2zZIdBDTbNfRDM4up_sYN5g.ST.wdYZ1bgxzBmdUaeIh8KvzkD58niLFD._lHHupZp7czoPppdE0ClqlRqt6btpNiTRbWv9xfNqYf5chDzRuhegF3XDOF.N.j7GhtFCpgP0YCe.iozQSxs9efTwkoECjIrAkj4.2dzfEf6dQ046PqBJyBvdz_Avd7KBc947yaAF6KxDoCo8pez74UmXPXGFlrVcoqpsTtB17dJZqRY4uKmyXyzUqY1f0jp7eiHR5YGRlo6VxvQh1bFYmmPiTVhRFfZACfBSyYzynwhHGV_CdV9_ZJHCgvgX3oTHfYGci8Qm5k5AQUOftPZPcCeaFdHB_GNWKlIqp6nIu8ZqzapM21fhfQqGU.goZ7nWvipc4fipoTUvgMYzZ_8uK.LSvjcYqzsceArLf6liMMnf0PR7uJalJnZ1pre6rm3tY2olgMv3kBbT3cN.CKxwRzNtIs19KMQhqeNdZ4iwjkGKF7PXumNPVR0YiSQUpRydprQaCsywPCNK3hONpPdRpN56pXUHAASOW98yZxcOlVZSMy97lWXaw6Zz2StYH2RrWUamDoHr3M4IrMWGjlfAJHt7pRtzPYv3x38LVvpQUAxxoqGYCZRfEjAOPLEPHF3F2G5BMqP1GK26t4IaDHe798jbpd9N5XOK7IJFclu7sDOlwHKqf96fgDMJd3YN8mv8Z7ZYxja1W0mXzIy3_2FFnredvoIDU3tUJq6Lc87t3gDdKOeM0SevAekC5KeuHC9U_zDsYfdxGzWC0oYRDERiA10vQmmB7f6AYs1iQr_9uB34WMspR0l.yHBG7kK9YwaDqx5dj7O3gFNJVHLP0dQq7C_9VYDvfYDXT3XpD5a5flW8OB3O9w62XIE28z9W.RY08P87iGtM4YUJw2Rl9pP_L2l.1BH6xHqO6DnKft0IrlsTBe_0pqCBRbJLQHF.XcsfubSS6v4y73hiZpI1.v3V1ghBvDD__Lmvfy4XimtfRKjcA1fggKn3uH0YZiEIeHPbu6qH61WSuXr.L1y2vgIXkOZn8QtnDRTBOKJOZKczJEVhjt6PMOQCQoi6NTSNGV.qj31Vc3evQfZUY.kr7AV9CsasrFWmKoBuC4plbQPiKx5FS1jM.G2P6oz2ud9NU65z0q9KnNeBEe4qyTQMhlS48S2D7MA_tyn.mSp6UEiRCYcGge1BjgxBCOvg.SzfArxXg5HtezSP7S",mdrd: "ygAcS91X0.0exKUex0Is8Jpv4itlxVsGJjARMp82HiI-1739105149-1.2.1.1-BrwOoZBXd49QbTxLPjNuDX.1SC5gwXCxyoA_8rqu9h67AYECM6VZ59FrQEri9Wiw1n2D4wYrQ3EP2SVc5T2VPvrQu7I1ZwIcRD8nquEQvatGuqwU_7QJ3jUpeqMppnR.Kzf_Ql2w5sYIiqnhC0Br8DgQYzF2u0oD0a3kT2MGzx3xob312NtflWIVIRlxtH7Lpn_Ck.hUUDxPX3Lj5CW2iwZmFPXpiHjHgikYqQW5av9iGLh7x_n.PywVxfvS.XptoraU609DdoplZ6TRXLjQwLvuqHj6PNtT3CbHctLuOi1EGkLRms0J.gzUAHsrnTL6rRJ_ridoImRXqjGKziGNuOCtcy7DI1m7.IedQ7veQnKU3rFC0r1T51v4W.vBfxWECi2bDXYM9a.ygKXkTpll6IZcPPcqVl2sSNCEYY1aoeGid7vIo9Z8Em7frN.XCy0jV095Y2wrihKnFx5NMkWXLT0ugAAqrf0fS0kT9ixwEbBZNjgSI7.JVO7qaYlmsWgcu_LwczTJFmqU7jW_.cAAB6eO68EeBSh.HQToe3UhUM9ylxDxqjSCFV7lk0fXVMQgQCd2cDjEkbsNKvIeezhkNYrdk86lcVHVNXq40DmHHwqxlDLTZXmBKtanlRuM9GYy7frBLn.Cm2uQCRpvoaefa57RgCXW48Xy5DMLQaAW7hDzs3gxuJWvUXApC4ZM0tsoXqT_wdfyctzT4wrF5N4wkfcfGdcqBgMrkZmwidX45THd7AeTI_GgY_chjv6CuWosc4qMBOf6_Jt1WuBMbs3JIm3hypHuvpjmH76DeHbRhjSdEZ0g9Xd0jni4twUasnTwSgJKLsBU5FbFM9ajZHFkhCrfQlZoCaD_2AaEao.iYFTOlqFrlv8jDuQGHZrzRNHZtuTeiiYsVC8upwWDF_pRWZvhbYNYevhFQjVMqD2JIH50HS5R.6Zrraul.z_JptYHskjKCI3C34S2NlwjKn1q3quORfdGwzaD7dDofFuHYJMP14_P3m9mZ028NFJ8pvQ3J68I8ohqQhqyfyI4AtjVeD5osF1bvdpPATTqeZMcY7CePwiArCgewc3LnO48kiVH7JFcNcT0qwgwQV8jGZqmFr9BW_YjAwZxARvK5jJ_VlbTLhN8NxFAXaDNC7cLQfgClO2teCzuMFmYewaHF6XkhPRaoj1xmIumlCAWS74PpJGHZ1J7BrR5.cEw4Gkvwl0rTga45rOu12QbaZPZk2YbxU0ImaYrLW1hzQBFTvqJtJ2C.MgjmA9gLKfbLeRxiv7Xuqc2fFSG6qqpVvFreO.HrFONHDgbHi28zfQPO20W2orVhu.pn0wsPm.vs5lArRQR5cwccHdCKQxI0HzzNk9hLA47aUY2O9KEP0QC2GpFVqN.HkXZw9xe7_I2JrvrsH9Lcm8gCPOnR_QiwId3z5HrWgEIWApBVTnRl2RUwZj2QEE7pdgYetPz40e6wcOluw5vo.7L0oTaO1_r2E_chnxFR4LLxrfCnaUxQkuf_7NIUfs8CLfHaO6an93wGAzZ.0Hyt_Tt8GD_Z2odt4xjjMMqW2fxa_2cEmkKJSRPCd8aJCn1e07FA0UISzhwv1Km9XG33hODRT1Pum7ZRHJaXee4bvURCnEY1OeehdG.gaLd1XJyxg9a6XngTj4evA84oo3fqx7fkF5HZ7DFGuyp1TKvQdlXVEgK1PJBtaglI6fiAC5AbFUdFt.DsF1UFlTsp3wyO7c7En1FPJk446AL2HldWiy0_pc5FHuXdtWxNJJDZjGEleb7w8tkeUiStBwFoCXZyBDPQNM89HNYHzQtPVaklnr9qdZPsRjBQcxxAclASMU"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3f56f6b3e0852';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\/0386297451?__cf_chl_rt_tk=EGIWMbYFK87XawwwgRu5wp1Uiicq7o0kbAYR_ZBgz9s-1739105149-1.0.1.1-eP3MJOzaj.R3hPLh9qQSH3ozexKrp1PlR89DXM_rZTQ" + 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