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-580057525727.mit-edu.top/post/5417809362

  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-580057525727.mit-edu.top",cType: 'managed',cRay: '911052b9b8d22d27',cH: 'yQAuedriyCse78Jv9D9AgoUFwuw_pPLrJgg8w7OUXlQ-1739402571-1.2.1.1-LstKfGSkHg..NEZnUJIbD.HNg5ITHcI2hwabk6E6zeG6mI38TRwnaRiY2LrxW304',cUPMDTk: "\/post\/5417809362?__cf_chl_tk=__lLhGsBbcYvQbtgjpwn8rA0wHQuKhVFsWTLctBXRqE-1739402571-1.0.1.1-ucUqzZ5HocQO0x1XRGl_Bi.yKomUJ4FfjwARRnlSTNo",cFPWv: 'b',cITimeS: '1739402571',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5417809362?__cf_chl_f_tk=__lLhGsBbcYvQbtgjpwn8rA0wHQuKhVFsWTLctBXRqE-1739402571-1.0.1.1-ucUqzZ5HocQO0x1XRGl_Bi.yKomUJ4FfjwARRnlSTNo",md: "AvfCUKrRIConXXLqqgmUZYvqlmpHqd2fzdY1PrtvUvY-1739402571-1.2.1.1-CfX8NqAfBzQRYUSstlTnDx4LSYog5OWgn25tTuzic7YF9h9QgNfrH39p7_bxJn90jNaL5QZvhsi3PNulr9KopgMDtp1_6tKVa5FR3MqUMR5bHY.n8IYrGe95ADJN3uEF4KgZEDTSZXldYGB1b7khlzwrZGsNaOdBC4IsVIVCN_t0x4.O1nWESXrb2zOxP1zfkpWrdM7g48Jkp6ZF.O9KaNdowiAZ2nmOTeR66kq2DyW8gsw7E07VxuB9DC0RsZTHcXwPlGtJiLzjwxkc.d6U2cr7f4PtKOxU2F5uTyUA0wXW0datR3nMp7O3bI6KGVsD34ysE1raL6.fOLR589pvjkmn2gijyt5JFn4ydAuDN3Nhpss1BAHfx4dC5wefEi__svQ8kHK023qB4gtdjhjUX.NvffjnKFv9.j71oB8KB2r4y_45Ax6LQVpz7Icy7QXxqgZM06SV0QnJb2xJFkxYbMEpp2FBQ9EhPEm8bUpLvxFIGJGbD3vMLV0B1U5K0S9HusC2tUcLm3Jrc3B8vUGH1cyiNss9F.NC69UqjZ7_SBSvmuD02v34BgW4TqR6GIGHpynsSmuEMDzG6lsf_VdL3BANYlb18y0dbvmLHfL1eo9rSg337hUA3wG356JTWtzsjWXdN7ry0TMWvCEkInzdAUCVoKw_TCsw0oSN5Qwg_YxEcuuFCdLNI8ALk2qj3AdhB2zuRV0kTkzaUnvUVk2LZiCXmu__SlBd5pX5lM43WWoz31cdsYrRhu2OPefh477xvrolA_5Aq3HJLsMo95HYZe216XBXwUv0e370nS5UPG9msoqwat9QkOf3VuwDDt8sp.lGkhH8py.giBX3nWby0oiyz8Y0VbY.tjRXutMW5LcQuind2GiTE5xvIiXHfus6nArKZEl3WLNThIOGgvtrZY238i54_QRuXTGDRcOfuMjvDRlIdDxz1.upXXWo3oMjHJ2vSG__fGon8HNzPGF3grBqvnanPp4jJT2Pseda2QI7P48TtcK1YBvLnccIldIgFcEJiIkRIO5qQcD8Wu1_aLzQJDc0SSDELpdUzMvjWHsUV7iR66QWTcXUrBeB7Lja2mLBW9aDtEXPd.ExLO.wFbqx2Hz7Q0AL.UqV5GKXIVbcfz__0JA_HWgxgTI5bumbq3WkyBEv9m1QAhVfB1Uflz.c2L2t9Ul61UXNlQg8hGUqjHZFwjwmqHVqDAkApgpw7s1MzBQPSMeKuxF5OaByaz14H5cg9vuZScSzDEy6WeLnrYMP9wgDxDmCmd6t9ogCA8fqtIHj7ubY_75fC6o3KsJeATgIHHdGdUWKo2dF8iv6Hw14JksGaaxNu43qur.oMLxHUM9ZXXNnLZhDiYX_nq5i8Xaq3wfchOh_QG8C3WRM0T4pVBiXi2ysJtHJcCqqUF.rtFuEBDLbG112bug0MFgZcR_xWBbQc7OHh0zrQMvHdSFzboY_u3tRlP64dQ7Pp2YuG9omka.wjdih2KtC2WysiP2JbvxTRXGpc4kdG8kYf6F7XoSHSrrqd3wYcClXLbLV44eV.TzCSMJ95R0ihP69masWQoqQvgQC1WmVsBHFB3GfjBaX.J2DF7aLgMDrDEHBJFXJ4jHP9dT0HHehJpNlG0h5y4bTSGBASmQFwAevTO4vdZOknpKILaJcA4KAgw_pfzLwkXxMjnBlVJK5IBlmf8S8jczZFoaBA99ItCKBfFEYLFm66ASQJqZn2UamTnUgFMfIBN_1EE0qkT1n_gAOZSiqt3YsuVaNmCZAt5SM.7WKdYsIfFGhxHqrQa9RIJVByu8Ltqyi_7sQbbYlJVI_AWoST8F1gUG67GWydb0_uJ9yIuJeX71zYqWGakAk_naP.bS1YKVAvicU6Y8zk7uT.DHq7R5O2NSlcjEoC3Uq40e6uwzEk0I9UEl3xsoBeEZ0uP9E.j2Txh7a7Cn.PkEt2nYS63KUeFQrSpDTDm4SPHt8SFSTrgzeT.lKRFWUbQdwqwaVZJ1uG7.akdHY.2Mcm0sAyx4yQmpfGA1nbViLbMr4WUxgPA2GDrmUSjFWVosQlhVZ2th6MmLSy3vwxW8nC9SVb4SCdp3DBiJExRW_.ZeLt6eCSwYFJE0p2naFSN50nPLp3_phZ1or_KqWvkMuy.h21Pxdn_KTq7ttOzIm1kg3DrSvxZVidtIGoefsrTerKPugSFDTSEcWvcHnttu4R9Vm7HhP50ud4P3gFvanZeOVedxn7GLzi63__ixQ",mdrd: "2bHWSZXX7wrnWLea6dkTb6AMIboXwys7HS1rcgUaKqE-1739402571-1.2.1.1-2gXhjklvWfYyx4C8q9qjg7CK5b09ys_wleG6AuXBiqUlC_.O08QDa3lOM0KWHVwgqpLTWztdfKxT8x.kSv4Ruff6UsC1ExADRFMuDPzTzoekeJl_J_enGDZ_c8vszIZAVMLQPuZxq6JE7F0UHPlW_sfzOVMR3fMGcdS8gZxJ4UATGAsW8qVzmKOcbgUXgiYUqPEKLIaCCqHMlV7CwxwNyTyCoHYPA9.2GVr4_TtJHLozDg8QQiirpoNi4gX2JJeTQgs9R2JwWUdTJY6F350knbIk.9dBRBS.QDDMzRATZTEu.Nv8IZsWYi3tl6hSJpalehaBK36q4Kbci.bEp4R7gI.LedYxZD7BiaKj5W2qOKlVc2HemDcbQxGNJ8CxxjKyE1AP.S6m5RBziweM3P_d3.9B938xEPgOg0tRgNQ.Wt_WAeXRAy2xpV.ICu65fipgCRe56HvNTtB21SXi91lb5x3MVeiDNhi1B7N6_tLE5C2pnRF85oDrfXfz1jKu9QIcctOesWmgR8z72uWnayQKGi2rw4iC3yetbqMH.YpNT5lQumnr1jinR6w57rkeMMLw4ux6ossPlxMx2WtJS5ZH8zc1EmIReQZ3wsO9KUA_PjkOjbhqrPhqMmTdmkzZqXyuJqOTfHXli1zMtiJSE_bnbOdLaKgFzrZV0p6r9KKbbI0OkauAoKUmDVLLiQt4myUGkkBfd4WjEbj95cA6JBlQOG9pwvjOSzgXc9R5ug_P2zFV5YLTSok1vGOrMVOwMGiKKy3YQ1zHS0Xr_33q.XGDqZjtaJvmqmCMhgphdXHhk8wDELb9Ebq7uJPIP.BzBlzZ9rEeV4tRtDPAsAMc9emmV4Ku9ejTn1hRfWs3Ya5_._hiUgETvoebvbjkEG0v84.TQcTpT1VqTS7ifbASwq0YfHPp4kpu1F.MXkfobQOF_apfX8f4cd.HfCVApuHfa6FTw2WgsOk2n9tu3kTg4An2rocAM_EmdowiGk2kqv6cQjn.RRDURMud9ZaXEdrhRPOd0AAFHHEnb6c6pdirjQvgYJb3MHg8.Z92.8I_I8OmOyqyKEHQrFjf1bZAAtgFoz_e.gVQSRY0_N5A2qvlQGnVDLIKhZ4X_suTUYE0LG7w2xn9Ew3UPp.5QKQXtQWwnqyIxGRVDecRvppMaXv6grxveRybQaZiB1NR7JdZlg0h9NnTsT_9jQT883SAHQbGCwEZNpdiO9WQ.RRvggBT0utlSc.yWIAbhxnxiS0EpOt8rZr4M9l7Ct_bwZaL1jhLanMYNCHP0nGAG3g0o70Jj5m7vUQ1oyxMbv.iC92kCFq6BHErlrWcqMrBV7Y1OyR53YXU.R5ruGzoFVue1aPPXHjm3Dep0MJA9nt9LN_IGQxWwjEuWXEsU0nsN4sYgr.55yVFZtvJRwXbmaBplehiGk5fZU6emJyAz6Ehd5o31VyPK8Fvk.StIdK8cp5TfZ3K9YlWotRAWLcvS1d.1oOKNLHpHFjTu2ccxtmocW8XXhh2krZ4oOmCT3K3MhL3qyF._5y4goas49marVNS5Us08CxTg_XkIPzLfeEhsWq5TyjCX5oPNt.aMTugozZKhgrnjTFopNcyGdqjlIZQedtH17BwynivRNQ87EIDWoHZMq2iaHu77ieFOG9qlIy7VJYJM5CYzyfTyv9eyt7xXSNa2SObj4wj31EEB.dSmU0CitXH8SEOEoGYBnseju4ZKFNPhjzarxL8N4kpAoKYfwlKpg7H35YPvF1iKcXRXN3hWs_nbqUWy7AN1MJk4CLz_NGYVHbl.GeoXkvnKvK6s9hCq4j27Tg9ts5giXDxRlK.p0ygBfcJqw_hjJmjff0cZy4ZlbTE"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911052b9b8d22d27';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\/5417809362?__cf_chl_rt_tk=__lLhGsBbcYvQbtgjpwn8rA0wHQuKhVFsWTLctBXRqE-1739402571-1.0.1.1-ucUqzZ5HocQO0x1XRGl_Bi.yKomUJ4FfjwARRnlSTNo" + 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