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-aff6f3mg3.mit-edu.top/post/0597436218

  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-aff6f3mg3.mit-edu.top",cType: 'managed',cRay: '90fbc765cf34d6c3',cH: 's4G3xj5EHu78p2Bt_aTV_OF7bARarxpoUXPy3.YVbdg-1739187149-1.2.1.1-CUQ6PrnI2d3m0qesceu3k4wUAZdtOdh00D1b5pdRwqxmSkHFoCqnD7xAl8yTSWWR',cUPMDTk: "\/post\/0597436218?__cf_chl_tk=ZsVDzHSj8HNJK8VvahFrOD6lNVI0qakcCdhjrlNT.jw-1739187149-1.0.1.1-CkkTYOZnFrTk2.Z0Zux0b95XOfW57CQ.TRXtFj_hhAU",cFPWv: 'g',cITimeS: '1739187149',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0597436218?__cf_chl_f_tk=ZsVDzHSj8HNJK8VvahFrOD6lNVI0qakcCdhjrlNT.jw-1739187149-1.0.1.1-CkkTYOZnFrTk2.Z0Zux0b95XOfW57CQ.TRXtFj_hhAU",md: "H0X.SZvQEOJcYfp41Uvpqb8GrxbcsBw_iNQQax3GBoY-1739187149-1.2.1.1-aQ1dWTB_zy5c6ig.nl2fMixrNKRZOU1XS7aBGv6N7hRkip.ii0lIrALBrEAk8nEdrvw.uhOzK5nlDv1negW9EmXDDRKARh2SaMM2SIpz.9w9ljLKfIhN1dPYm.tsKNMaHWapf_FCymnGY4jp.3k9fIomd9EgG80utwPuSW.7oqbIbhq1J.q1QnRS2S1YLF3e2vR.TFNUDYi_FTFA7wN1H3NCA.Sp9plINbtV7q5pzObChp3n0lYQ53Ik7x56c5zYzPnJ9_4Fi88VOU.5PigH6x6295adoQtR0Ze7Yb8Bjdwuf1HSvGx.tbZSB8Wp.vcc7xKdSXDYEHlSewSAdgqUgV.WE0yeSf1vvNNpr7bIpZknXU.dbQPjGEo6RukbTZomJmY0zLoMAHOSkFvKp6Hkd6zXZtX3_b8A9fAMnt0AskCzj1wu892d6BAOjDIxCHo7pcEygICaMqOskF95NvyWPWQoMOv4eDD1J0N.5e2wagQbyXFPAupWnnGxfd5oZyzsWPnwT1rW7y39jeNQlvOxtjs3o6fPQKIM__.L8bsulFkwXvM1ED66Ld9FBZLPEgvnFRaA2g9RYTLNtgYh9AXzo8u.farQidL4UXv5KKzNaamN65.KzTE85c488xoxmmY8rUkfAlIqCnc96rb_TvWxeRt06R5JS_7CJqCym97ew8JL59gZreFHLSbalZZ4d6MqQ7OeVNHzEBcMSHZG0p23GODu_es.p5g3kLte.ynwLvcFAFwC1Rd5W1aHJkNPwxZr4y9od1Q2ZSnhkyCTSvsCbbKKmiLV7kJofjsFhld6XJeEP3VGpsl0QfqApezb4.hn663fRB54mC1TM6u9Tpdrm5JLybLd6GtRs3xiUexxktnLCdAp2IiGuR9xzTpydR.est8yS5rxNMQKTdRHyd3Y9sKTJ5ChRrxa4wKw8vVvX9sM9xvxKQ25tmEIgAiOY8GFucJ3OeDyMWvarq8ckY.w9AhPHUkpUQIwb50F0gdRgSGtOd7S5lEEg1UQ2HXlg7g1TOhXSYcbG.Qy4eJ44fMBp0vVFq0x1FofuH7Azyw.VYUQ82gPZBxfFXxI9KB4fZLuuJnCZP66ghDE5spZiSejhzsXe7TuGqOlSeCsho6aYgrbyVld3jClcu.C3dk4RpAL1KyzrkJt5K0swxU9WI98eseIRGFGCv3PRoNk1Xv74yp3fOON3SVaNIkxuOqWbz0wSpLa27lM..U9RPz5Po1eTmCYYLfgeydgNSQaeRteipdqRJqhTAZqXa3foB7JbFe32ss426dgPvmZ3q1.c4F7bTso1jQBrgVtcDcqSDfiPjiUhgqldNRNFTm0VLVzsHrUKjZSqx5edhvLp5G1D3lSgHfupjsJOsB9uap65DjLIi7dxVOIKLC6s4Dq1K1o3yXEOmd8WSr535jQ68d9dDMqcepYxOUzO_UNR2oJ020Kqf2ehBdgh9f952I69szMHPsk1W33MzCG7ICTEoWc.eYJtwGhdlmlfSIG1oJ7XY_a8TqQzyOvF6jCs9sdmMFNYn05jXpmwBr3su5DlAKMY3NNgIfBAqy2WQyEphHhK.Y2VhmPXVO0DiXuBl.eE8s5bg8yMRo1GT3S7nwIEbGJcdbAu2C8dzZDK_uX1uIBISvx3g2ey6g2MZVw1k1eHRqnodDxflVqHg_7n1wfs2tDqibuRXTN9PG2bZFrDX67B3BVUr2otBpGXZT7xynXFACSk.Xpuc_DB6wUVyJWbMfJ91S4vfCEzsevhxVZUJNnwCeqSAVTqWeWlpwAcW_Y82w8qETZqWGhgP0IX_AuZ11AHWadNiRe5sLAUIvALqWy9ThNIXD_9on7rYPnQMBReXjLJPlk0W4AEjEqyBLFn7100NljjHw2Aoc7KDBx9ZwkydxHtFdMmbQlZ3c4_G.lWNsAiY2WldU8Ae0P4obKM76jd8eIxX8PPwpj4tlLpnrV7QXdrxDS5laYTqg8g32FtOHwQbMnQU0DKJryjI3I6nF3KFrj5on6GLdSpv.FahFDZ6AFGcb.nPUFn7JEbO5rEVrba6EkjaAc1xWrbwW_f10zB0sBC1Zc6xcKznPlE.OtFBrV.i5khBLYJdlqvaRJ0olIex4sPEtALfODMU.ShJAPU1Pht4Avf4PhtwJbWJyj7pYxOS.uRh0aG68UkkpCm8f9DtX18UTm0jQMV2gH1UcKx_7X6IAKImrzaVZ6Njgeon2cxEOUXulHZFLPeLGOA2GYGxOj",mdrd: "wo8EZxRTewsWPtpkiCwieQiNXJCliDWYRgaWDekGuV4-1739187149-1.2.1.1-hfoX7azPCN9N9uqKg64EA8s4v.adGL4zxiG0RW_SB.5LoX831EwqDSaxUEnP0BujHB1a3GDRj1YxFfoR5kRJ9h35dBQvyYVveFTodjMhTRSAgxqtkTKrPJgONB9384Qnl1KQ18eusxwYFzGc_FPb8hQc3yvPiBdIQNLfqO7o5vbzNAf8qXk5kECLCEmDprdtysqIxAS9O7n_HvGqfGi6w_tiVIoGwgexjEKZvte6.pnt0Np3ga2.xFMn9G.svPOSCYQaAGIPT4tm8tbNiysk17BC1lE6A4Eylu1t5lV.p4MSvg.uMfVyGLSeHfzFyAFbVSQCHN2Vv0iDnsospt.fMO1SZwqbFqHAC9eJqQePaMjUSRVbNVgQjYSX7bAgxMvXsrGFw0S4ezYWhIljM1lFJRgRbNU0.vt0pXHiadRckXEL2BFmD5f3.Pg1x.vQ0kIQN9dn7Tfj6Xx3xOh9Ehq5SuT7KHyV3fyX7pEOdZwnf6WhNmraeyjAYBmRL9PD1tMybRbjeYRCgSWoKSDBFXdxdZpQbA8P1lx9zW.dfetXu1PCt3GYAz.jHelVRStIHWuXFU0I15MONtm5V8Vhs2wAqmwuUATkLzlAUtpISSWWARwUBHwP7Epm3uEeg8.58esimrNSvMZkMA4ejKwm4R3tXHq.XE66gERM1Pq.OwGHEKuT1JTwr7t4eQ0cpuitfRTlGH5qS_iC0qkE3uFkg3ira1ZtMzPwm9rc.PpzUgIc35HMuj3smMz8EMfGJ8Kv4Kkx6AUuexIlztYK3uamCU1cJhTt_Pt2FQKTk7TOx9c5RbChgpyFC.cL1OFsD6UZjFAGuOgOUWBV8j0zjVrmBTWcDXVO6Q4htH3yXFTmhEeRoxipY7SBsSNP2x9zCBy4ffpjNglMJpJ.viU3pRXdZwVmiUxdrKay2mmk75gzwsYLcoLPqTRgJvo3ldbiUDnkt1J.qTU5FB6ghHdfy5lLc8jtXYS.xWez6PYGGnwPpuhq1p4CmOvgaoIqsgw2eRq5BUACe6yoZzXmcjQAHmnEPh1hcbFs98JrBzBMgmYECRgiD8gl5C4uzURMBDaugGomq703hgv4IDTh5swczD2OZvJ0u82afb0yQ_qdlkPbllO5SMfRE1GJtvVttvU6UH3TUFWt_P._gwcq543cZ4zL8kkul.YZqUi9EL06rtlO7Jf4eqprYYs5uKA8rJrEBVt0_eG.479ieT_q507_k_SC94dKP0Xfs8Bl9EaumRBkm8a3KY9L6loO8BEfme5u6fNH8VNw6X7OdztGcAk6WneVGDfn_Kd83vUNdyIQx0Ud7wqELcUt8c_X7kyB05hxC9qWPbX6PnEWDA1KmjWoRD46rl8QNT5fAo295Q4pFkJisePunu__oxxge5v1SU4grBsS_q_ny8wm7fiSeHq1uAbXUILAhKUtIXFL57xjZsw9zwpDqxbT4KJ2QQeK5dOaodtHG6IZxLEYk7Em7oxMmmhJ78qsmRvzmEny8W4W1.ourMpmviACoMUO1s994ph_G0BNJVdB56MIJYVNtEZBfWnpLHhe0sTX1ZDqS6HRuhThPe2BHmkz7vY3LDhvTlcrPb94qSOvmomOfih1riplRK7sjUFki8Kscx9jKN755jsyFuUeidv9vPEK4cBQTZP5mNDUxOB3XkmYvgxiLYUaxj3YrcEsxnLYbj9wkkK4RvxwFd1maMWvdOzRwZHFeoBM6MqkoB4uYB.2.75ScvK8ac5vNh.TqDa7h3002cR.P9uwqk1gIm_umxLCJqOof7gjimNcLre.Q0NUV9peszmHWM5K6_AKhQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fbc765cf34d6c3';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\/0597436218?__cf_chl_rt_tk=ZsVDzHSj8HNJK8VvahFrOD6lNVI0qakcCdhjrlNT.jw-1739187149-1.0.1.1-CkkTYOZnFrTk2.Z0Zux0b95XOfW57CQ.TRXtFj_hhAU" + 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