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-105680578503.mit-edu.top/post/1057862493

  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-105680578503.mit-edu.top",cType: 'managed',cRay: '90fcf2a35ba707c8',cH: 'bqoYvT69qanE6yXUqXNhpbsmXWHpPAxE4zutiK9MJng-1739199406-1.2.1.1-b8V6Gjjl_ae_AeNkP8P5a6qgbmNgYnBjRr4PMT0qgdmmnQ1RQcEWlCx8eYkgmydG',cUPMDTk: "\/post\/1057862493?__cf_chl_tk=nRgA38AykAw3LOWgoHSnh9eY6I1CE8WeKfOFFWAYTN4-1739199406-1.0.1.1-v1ZymJZyDYfGVgcf_mGsr5snfpyyhxtXJJWb2KC.JUc",cFPWv: 'g',cITimeS: '1739199406',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1057862493?__cf_chl_f_tk=nRgA38AykAw3LOWgoHSnh9eY6I1CE8WeKfOFFWAYTN4-1739199406-1.0.1.1-v1ZymJZyDYfGVgcf_mGsr5snfpyyhxtXJJWb2KC.JUc",md: "sLA0U8osM7wNIOWCIDVHfoef5R_r0kmGHdSLK2CuAgk-1739199406-1.2.1.1-3nJDiQsGbtQGfxP6GCpXggo6JieZLwCE0RZaGQf8olcgBfdrd9Di_NR6EJXp6gB_R0MFB_UdWkC0ouCj2Vg9P.sAoAXj3GjzrWhWZb3pesBC5etivzt1hjVTrMllC2O0mSwLNwaFMaSEmfhnEMtEKhNU9xeZQeV80PZUNq0lqCzqwCwfnAHaGK_EY3g9dRiWvyB78mQ1JP46LHYiYpLXNMmCheJK0K46EX.eGtO8U8MGSVsD04TrrRfM74xt9jKayN4nX0dPRDLQQVl8AjSw.D6WY.uHF.egcLfyIugeTBbSP3oJREe0JoWUwdllLRv1hdr5vjNIRcd2EeYUnAD2W5ItXvd2qptjvZo1riPAPbW5nxmqHHg_LJ4.31d6tR0T4yVqAowoBkoUxESI88APo2Ys11lXuwe56nFFDxiJKog2eU.SJc4fvPbf5.f7HFvvdAgG9rgzkjjLt2EFpgIPHzdOm_tybtOJotz0l2HTNk152zStnvmXPAT2WvvyiGWS8.NAm5oKI.pXjRJIuqpll4U5dr37jk67x6VX0MtE.V6q_wW8p4Y1VzKxdxcQNjUBLaznwo_GCQjy7JXjY.nIu70GQvmkHfhHsE2KCLQv0JzOFwkAQvxu.TU5HOf7SAbxgG2iHVIDCawdkW0RKL9UTIPWPz3jNK4sZsct26H50z5Tgb2KZ5eTMhWPelLEWFYGTfQCC0pSHNVXmRLLbytMzkcqv17c_b4VhBtGepXchZGOH6eUC4vh8wuFjvCOtQ3WGzn.7JF4D9X4p8VF4GjOYCsUYeNGPwKLcN4hPpcsNallehY_.8G6u_Ne8ZxwqY_1.MfLeSoTOW4w1jVw7Qfr0VrER9oOW.H2E1W.LZaEer_.G0SAGMZLd0pG.gFQB48GkHmQKqk6fF09kn7TC00gzO9MU_8P6Fc7dTpiJMKswo67I8LX1Ym.iQajAUUpmfEVfNoJ7_VWPC.A4hUry9qszsluDEHyHA_Vp4ugd8OgTvPCsVZ2Qxn7DrCKaURqtBeFyKp1UOP97gUBG9dAm2FmRcrCWIv.FXpa9Sqe4l9B5WVDqtWs0y9aUBICj6TWGYo9SxOFFafeXvnAAIwZzCUTJUqr2sQACUZrJffos6BGCcDoyMKqUhDHvf0mwzIggzaODtQS1YNjtIjEF6ymWDFCNsZe46z9jX0koRJB2miX1Ebf.aBcbtQQAXElGBVCrB6M0ctjk4yy8JL9GIaBUW6R0fH0WtE2Rpe4GqsnLqFSZnhpDahn6lm6gAIIYEmVwICySqVNerki3rlSGqtG06WUmBHEI_UjkDw6sHqNaihxvRS3V8TZZAl8r0aXSbUi_EnQYefPMBunbjJckBJ1PWoZ38L2TWoIquJ.t5sf0P_vZXf_.mkEWvwD3H86gHdQ_fFaMMhc_djJa4aVMzFGQDa4l.hbfC6aFD92ajHVRWex8AMA5qBi.6p.iV00VbRy0ql6MFBMLj35xet8umYekEzEMwqcQ7rvnjQOK8sBc2K68_bpJaN0Bt48RhFW58.O9BCiLOnqLO6w37MLK3wC63vuF3XCjZNxp.HjGtVFscI12C1OgmgDH7cW1hnA2_IHILahuObA_QXeye30qXr553.Rog1OwEU32627.osKCH_0DdSwdcsPQ.3ce4BAHcXYy2sXx_4I_muEHgbqC2IIEP7c64ZhUpzLr23sBoWhmPrJ0tnwVvF1btCg5VmMAWesVbw28958Z4m6x4n4Zh0hc851x.ymWFspz48tOTfGSTC90ITuYK71MgErjaP3GwtN9wdp0BVf_p9eJpqOPOnkUXMGKbjB273eGcPCxxAj6DVYCm6rx81.FkH0xPFPI5uTZzgjmRzHptLNGasKu98ALMGdL8F2cGThiZIZ1KMHsrVrfSGY0TbMa0lwancATwZSfHu3BU74vLCd5VC9E3K9cQrzjJ8isHjjMr7GvBZp8PlyU9hZ0Q8nsoiiKh3imQaPWAI0JpLivhDhbx3cYkG516h1gssf_RkfueqHfv0.gVC4ySazNs9LWAL3pRnaZECpA_lqwZfJWRCRWXFUT4h.uzw8_wJiD3tQvmf1I0TX8Yjj.BS7B.x8Gl_Z5gkDfn1IedQw1dTRAyQfRYhhYYzwULT818L8.QYSYWEYqFH5t531QTjkaQ7gVAQngkXF1B.G0iZuq.1Rme4D_sbvMsb64xxsXpSEv6tF5dxX_1Flji4A8fhWtRz2gVJUfa07nXxC.wAz",mdrd: "vdX_yLH.NjSCf9gBty0.ikJqJvqDt3wCc1dLW2Brvcw-1739199406-1.2.1.1-vgGF6xJrAC4qk8vffec909vhkyu7ssEXMOAwFXDYmcobnbn_8aLGOwivMOCBlBgRHm17cAfi7HLX2jpysvM5I4adB6AghIaaEZIhLNfskAoD4P3IZKzYZtRNM65RtGGr8sTSuwVC9rcLiCKq7i5cHUTUHKWkThMqjIBeK1VO4FodaNFG_tFglT_NAdB_2BY8jpgCVt.fWQsZWUDQzOL.Q9rCyK0oA38jPjpQDyCibROeiFnUOPTYTzFdXOrl9YzgbgwguYCrXvXkdc5UsQS9PizxiDGIwb6KltU0X2tu_L9atRKOtXrFWOBhoNlTDlLQRj2dz71phhaQ6i5h6Dc9unAQPeVumHQtvb2pDnK9Wrb9_vyK4GhuIwZZYXHEduHvNxBQyfYMVrhVAqhXDRmq9n6ZJ6F05pMsWxpdh8aLS2VZzvZgki.xv6Hv1Jqw96hfeeZVV2ZtyFJiFNvmcN1ZSAC4evwKZ_vqU1BYyqZY1M3Z_ewFAeUeoJ2s5znEDkKJaRE4exqi_o7OW3lgFkqrmjXIKMw4Lchj4KRRXcESqcoVEa9uerY3s4fCU6Y8Z2QPf86KeW.WQEqUARK_AtnDArQu64zb63to20G1SOxAXefAi9gQkbjJqnfJhx8cip1drH8NtULTKMm1_hB.U4Q1uJxsTzEUE2IPGZ9WEkQKqxOt90Ggn9lFAo4dQ6puT6v.YsjAK23lKRTzHk50yZ3VhSGMU3GWyZooMQ.l3SDVWxMZA_uEIUKffMK8vxR0lUyecTj9CIdw_RfzDMz4wMGQoePsVnmuEm7k5fDJeiSCfMiNYpQyVRNlyo0aq_GOSazvpynnuuLm8Hzh5lzbF0M.LkU3Vcxjn0FeXY0xn7LHd3xNHnkeK7QXs_wb.PA8idVHJBpJixAm_YiXBbpj8qrL8mqe40.qU51QAoqHxCSE3GVAvtPRSyQ5t.JhAgXVg.PJ8e8Bwa0Ejs3zF3Op1gWmtjEqak2_qMj4I8UpfciJyN3sqANDIO9pOOfXylL6nxju2OF13dAecYxEIYysk8J2BB6D4HtfzH8NgrcbyPTrZfHNGISkToDvIBfIs6X2twnc9RblAeX_Wplh6pX6.ij.r36s7MlKU6cmXJ28uECnHrt_vz6H1Cono9G20U2ER3ak7LN0704N6rBxik_f18ffviWI6HqytDjl8EqQMtlt5WApFaWqwEJMgP5hQcCA4EPqI6bUX_shQLHXcG2wgob3PnRHKAiiIH8TtNDevYI65kjLV4QtauLa77EvdjBIMTjfigAPFAf4tnGQHGf.5mcslWdINAHQZaJsRq_K39vOY_1bUeH24_hQpM74dncyInjVwow.s.OuAHdDYBfETwa9g.d3eJmjacxwhhzPvjgeXYW91XEyaLb7u6jzjMFr.k9rJW38HnNpyE0oi4_ATPODR9sbHlTSpiTAsKjF0YJbEvgA.bakNm_.OhnmqkU11evTM2qReoq9ga.fRH.IYC523ZqJfIr7.FKj5JvfEaN5zAjcw3VnbJbVdJtRbzo3iCX95z2gEEN8lduJWNcMF6k6U7Avx6JSTY94AQPBK6rmoh1jaER2viLR9j5bDUh8.ltHSN6eHonJwwMiPcFGVaK1sr3ogFwnXRD0SFToEqlCRrjyL1P.X0LO3DCqlEX8jAtm4MUYWvkEcVpLj4sVddZZ13jxg2lUWdQNkhmEjbsOKkWczJcRFA4OTvitdz4iQdn5SvQW5U2f.Ck7gi0Xz3IraKLyiIBB.9UbEqRZoTOFelazzTVvl8JtY.2h_9quPoJBv7dI2QmwFaT.DP8UvRngAlk8BrtywEX5Bv5g6DXXjww"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fcf2a35ba707c8';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\/1057862493?__cf_chl_rt_tk=nRgA38AykAw3LOWgoHSnh9eY6I1CE8WeKfOFFWAYTN4-1739199406-1.0.1.1-v1ZymJZyDYfGVgcf_mGsr5snfpyyhxtXJJWb2KC.JUc" + 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