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-677743875583.mit-edu.top/post/2189573460

  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-677743875583.mit-edu.top",cType: 'managed',cRay: '9107af4b7c8087a1',cH: 'cq7D3DYsl_uV8AP.VycqSIMPy5XVi6n0CM.xqAug6Uk-1739311991-1.2.1.1-6FvOqYD7EG9Zz2ohSLVtmSnUI13PEwrMve1WMWVHUwyoVurVSUjp8gne7p_2tvcx',cUPMDTk: "\/post\/2189573460?__cf_chl_tk=V76khDpww3BISexFlqY6_ZWqUHIyynmGkfiCUKdu73M-1739311991-1.0.1.1-ba3HD4gOx6qh15lb1r0q1YgQD1m.jbaHHzNEvMuIEvY",cFPWv: 'g',cITimeS: '1739311991',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2189573460?__cf_chl_f_tk=V76khDpww3BISexFlqY6_ZWqUHIyynmGkfiCUKdu73M-1739311991-1.0.1.1-ba3HD4gOx6qh15lb1r0q1YgQD1m.jbaHHzNEvMuIEvY",md: "3VCi79T52cDulTf98we0GV4QaGqTwmaNxSjWYJJxzqE-1739311991-1.2.1.1-hIiVF29G71rICDPjIz1_qoYGGmxeqU9Cj4iDn2S8nWFfVOZHv5HgWKPNUC6N20A03tk3.dhQcYtP_2pdqZuU.pnOmn41eNv1PpTmnhgQKDtMdFhoKZS6E3qlhZ2SkNbwr2GTnnKXyTv46ftTROo3oRPiPoMOd.biVfMAMjJxSmARiN0CAZoqkrDlISRl_t0h4DcUbtjOgPlPIJ4yeCDGyif3sJXm3YM6MCZlx9RJ5rzCI64MapWCC4FrbhFnJ4hKDbWQXnzg.OUPjQcgGJjsOUxH2zBtp.wcZr0EW8FPFruwAvmBydODvVEc54j_Xr89me6D2Qk_4y_YBx5DczGSk5JQ1gRBHKWxX10x7O5jJjTMnZfep3i46C2S_YuOL2Fbgt6cosax3ff5EBl_jzLLNVNZXQvbTDnSuU6bZWh.w4PtPD1naoPB5s2E03hCukPN2DDDneQr63E8El0FSXPpMVLKJdwbO9JmFbDjKo5WFcMRl8vX824kEC1Y9LeGhYQtQWtM7MPMIXig5Nt_Lo_GZE6wyZ.dj_mhU5Q1.dZQxpJSyHBIRHVcsIoBoENvcZkbBFOrazWQujeE3evz8kC6m1nxvxfjaCGGuUSJspei3J67uPXBj8vykehH.10j3G924KiFj.7qiwX7Xys7OP4yXViUg7beRDIugaDGPDtdGZK7sxUF4dfH.DGnTITVJtm8K16tZVGTnII9oeaUYta411Fdi7geRE2FmGAzDHArP7ORNGF7mC409GgTZaNO5HC5ABbg7tSwa2OjOtBq1DJPvXBWX842n_fNsw6ygXBrIEkXCVRqgc1nr6TlKwIFuG391cEvrNvw7B8tkcDrj2BuX06fWpJIlRXmUlFb4EHaYHjmhStCLHN83HPUMvVzR7eOB88X1vs2c0bVEY64Zv.AAJv4ZagoA_nRrFc3odOlW7bh7IctAO6Kc0qYMlyiuqIJSGc03GecSoK3COakYtYAp2FKNV89oeZ6.x0X2Iw5p9HRTX5.BMZmul9zyAyeIheCDvnOTVM.UU8hsM4CSrig_k_mznK.qPnMlCEZVoPLXQ8AOz8WKoHXfSUSueBxXa1YSprbTgQIbFcwPtwSnd6pCzbp.UsKQPIfniWOjwFZE5_Il.2WtQfDZnHET5b_6u1hJ4kIwStCMFAZ0S6XwMW6MF.7xU7iTBqkVO.gYPEun0Nz4.IZHrgm2drvXpS_awwWh4jHquXywSBeG3DWaz48Q5ML4QRSZupZZ9Q2ZzDYp_nG30DFjZp0ugh_CBU2xFj2NGGARLJrEOpdKzH4LltsMSNnsmztxeg9wFBKLM9Ez1cpTMMwb_H61YbV6by8GyHOAN3OtTuQ.YIq7t.tZp3u6Z0s6aFlcMSbC9qmTtw12StwbR71T7yHWryPpuQler7plgCNlLOOkQzpkARloGtbM67RWrOEQkhbU76dIeA5.GzzppxmX2UtoKmcLFsOjhaD3CV7ggblYAscXH3om7DSG8zKmFCNKVvU4rozJ9YNTkwef0DqhUJChe6GixMH6PQeb_2On.wAQ9QIqeI7cGJUyv6HAMs9J74Oyzyrep3z6KERzfpCh7_EEHd80AsdF1QnAV8qrc9TCc5SxhbJ.JvO6nc7Uwp.0chOIie0ddKnMXVAcoBpuDrcM0xfqCnrS72URjUhxQEzoTlREA0pO0ulHbHsdGGEc_gshhONfksLBGORMrMbrty6bqAb5fiGhBODeBLTs6_MoLm5f5Jn.caDr2n7ak2xSTvN1.4Va1CoExKOWHN_r6dxwWMvkKb_134s3IyJm.hJr5kQ8TZCg9NfQyeKeXsoj0nqRxjJ6pDFLmklFg6i.GkDjOLRe6iGJvj_LwVIs20MiagPhCMrXo17hgxtyaUxmhoL02zNSg_V4qFEceWgHxR6VlZP94CGXGRQPfBvmP4bDALcFekxPOzu5edNzN5jYMIKM036cNAaEFAJGQodystiooq8s620takaQC1i1fPD_bg3M7qzedRMSvrFUSDsBJobw3DpdC5FQuRZG3MoKH0N1W4Zf.eYM7MQpYUiMFtjnV42DYSfEy97uimuIwTQexb7L7cBPkK.IZv5KUO6cd2t_MWtASgizx2haibnd730VWVuRA1l4jKcqZmhQcFySYfF..5G4WN6gTSRFz4zuWa9lZLONHIicgNprdoQv.G_.OJfP7kPIuVW8WpMVWYnjq.9d7H0IB6aWUMDxmc0v4ut_lVTcyGcySNS",mdrd: "fW23I6sHd1rZPfxY2FNlTI5FKG3tQtboRipctiLh19I-1739311991-1.2.1.1-UqEY9aRzn9rIOav9JQs9N89musEU7gsSs5oT0h05RKdRBvKtMACmCGJoMPJcuvCUI2s9QONzr51PhwCeWD8LG.0YJnDacKVGE_Mh5GpVyLWbOUabZTNJFqFl02ZxhEdxcWiXtbTPa7UX179okCpCHG9MY.ewxXVj8zzif0tonBXXS5TDagkJoYUpMqHBFQFuouTR_iBjIfpHok2rbmEam_2g.oOdhgljmJVuFJ19AphxHIJKo.XUEK2P6mJZ0Z8WArV17K_iVPi3qspu.4zrzkU2rll_4zUDrIiiSs2sxaj70F6Nj422Fkld5dS37WbhFOx19fO1E1MEpjJHqXqUoBA83yh3X0YiRDUfbFuzpT6BIpkUHfIo1ngW_PWr6GfWR0Hsad1oG61TmDNl.xk14MhroEoDaoPiscYaBhYBIv40ZSG0lXiO5V7N1TUiLEbhRBzm.zU_bTlftaxc_FcNgXC.mberWHkoColen6fAv2pUA_IAVcwczUn4p68bJJL6wCU4VjREUhtraJs.h4SDJhu9Slf2xTDoWRGbddEkORIf6WbIVElFN0hve5fqPJJU7FeFkeyDv1XX5g1XZGkvjsOKI8oYCVaw2RSuLxegMMKu01paL0EybihbI8inbAE7F3bPOfq6qmODNA6mitEmfAj3D_FwWztnmPNQuA7Oz94HBv3kYYiyOgGnawpQNqdm3VZbOHMZABNKDEL5fZPVU34WLEHzAapGxYjk9vf.yi5JcY5CIFmtnzkTLx4KD87h_e7BO7Z2RVjTOdH7vfz_UO17Y6shyNnXEIzayJmoI8uNdPoUm5LQ8aW.aRre0DnEArfj0tHLpLQp.UEY5q7GMPEpghTNNF9Uo5QOwCDj1EDrsHXgNPyvVZql6eJIX5VA.JHRhKi.yQ7aFeYNXyUeC336kAWRLFeO.7rUotzBTnQk0pByP28VptKdqC.wfSQwn_VvUhuZWtX690VnQU5jSBF2XW9gbmmglmjvXnFDl3GjlWYdeWmpZw0P.OZm._rhcY_KwBN8Zki92oLrvb9NcG01DzX54uBQpgkhxJfFHs_0YG__eeeqYykqHW2rBuszlQMrRfqH3dwotlkI5DqRTvuHknxdhZ8a4jQSciMp.oCBnfZNcBiRy8d9RYkIrXmUCidb77o2_k1SB2Kxaj42s31If76scSAtcao27s5hjXBUfFpvr2c7HP9Job4d1_FsXasAv5t7_U8Ky8YMvc4z7DglqwgUYSk3qENGanG8Nrk36Q_Nyzc_k90OXHHJKfrN.ep9D0bGSJ39Jzb5NAsDF835FKIY5Uh866oZ.qdBSmfaAdW7sqL6Qij41ZSAMPApuAWSjzIEvtS3ON6L7g7NPIZc3Mo2ZfRIpMhp3HMmCYbOOckXTPZEJLnygL7bR5a5FGwT2LgRoD7JviWZ9G.im7jKVqGXOFGexLIjgHgiGk97nnajtWrJEFafaJn50r15s5El6vrZVlBPkYgNWWkgUw9EV95fqk0_PvbaHaQ7UIgy6Jdjv38kE0KwbaeTyohkkke.hr_blZjA1kzDTwkeQou4TSW43lol9sa4qGUFOAT6IIEWRoJfxPC4rtbRDI9E0QHhlAHMaKh8C0oDKHepSuEO6HDZFIfnvctsMMaNl7zc8JfAOZPVAyHDsSGpK8FU0PV93T11mLTwdwjUHPCm_jG7haulAA_YtHYHKWZsdBjKBeq06V6X9WlAb4pg.PGawob1SBZizvwavD9tMa1R1cHWR0SXk4yrxpbfo5QdYiRORcRLCpuUlgNskA01XR_YfzU_bg7951lhpfn65pDIWw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9107af4b7c8087a1';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\/2189573460?__cf_chl_rt_tk=V76khDpww3BISexFlqY6_ZWqUHIyynmGkfiCUKdu73M-1739311991-1.0.1.1-ba3HD4gOx6qh15lb1r0q1YgQD1m.jbaHHzNEvMuIEvY" + 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