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-537957454713.mit-edu.top/post/2087364519

  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;padding-left:1.5rem;max-width:60rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{line-height:2.25rem;font-size:1.5rem;font-weight:500}@media (width <= 720px){.h2{line-height:1.5rem;font-size:1.25rem}}#challenge-error-text{background-image:url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+");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="360"></head><body><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-537957454713.mit-edu.top',cType: 'managed',cRay: '966e69195b623b3c',cH: 'VFh7xqU.g7jAktFxjjszf5X9s5CG.Fj04814hU_rQ1k-1753810922-1.2.1.1-Grl4213Z6cZtt4K2.EcTGUfR07YgqCSnmmev63mzK2vowzKlfXh87iFz31PQt_3o',cUPMDTk:"\/post\/2087364519?__cf_chl_tk=0bxgx8ardbE3BHWg.5R6elGITarhbLFeGLSCEIj6LdU-1753810922-1.0.1.1-BhdpPTqupMS07NVBFQOQ784B_DDcwdwfJ7nYSqmBSgc",cFPWv: 'b',cITimeS: '1753810922',cTplC:0,cTplV:5,cTplB: 'cf',fa:"\/post\/2087364519?__cf_chl_f_tk=0bxgx8ardbE3BHWg.5R6elGITarhbLFeGLSCEIj6LdU-1753810922-1.0.1.1-BhdpPTqupMS07NVBFQOQ784B_DDcwdwfJ7nYSqmBSgc",md: 'W71aP2t38hlX_c5zuxE1VwZDjeDzrtayd_3QqMKJ5SI-1753810922-1.2.1.1-BPXS3O7HfBe979rFQFp2q8xh68n11MilVno3wVlCDm0h0moSzyt96PytV1jOCGSSTnXcw0Xr5OwfJV7Y4lkkByv3dxaNpvTclZjbyeU53Qo9tLbS4szmTyNvgstyXuOaCKwyhZqzzd980JAv5iuCkLS997GZKHYdHwQ55YfzyrxpnxGFs0P.T7OwgF7TrOJgApcctNteB9xFZeznpekMjxC.Z4diTRHbSFS80imrqQI6_pwQImKRRAMyteFUCiVT2LpCJTtsPPtgiqtUGUxlRDOKxS14FW2sx9K_qQYJUPJSbQfUo_8vSVPgDjqVnsJ9pa1_J8NPDfhgQDaGb2zUN._Dnx1X4duEvVP_q2rCEPaJXNN5Ymt5gDOcUTR_eSU3toNzqifa__eJB7Gqbdi2Q7f_OdE2zPwPA6K.Xv9pNRsiHM5WRlEwkzXm9cKHofe2K3S3JLx3PADeSZckDEfG7l1BI8Eg77hsRh_Jv26c6msN.3QdSqGC9a6ZdIOKjwMr7XGwWLTBQ5LDCaKr6TyoIPTSbWS8EyYz7BkUxwnyStc_uJ9vmTbbhZYmVvboZ4L21eKOX3dhjOL0AuPAl15KnW5b0l.4rXooNqNUsuGCFpETND81mBjSILQYz.O.cxG4ZFtWSxAYAUgEP1q561LwgToqqbLcGWVJXS2VBPReYPCJhEoGF3IWZI1qEGzLiJ8RX0qDAJH41jf64_hjC1Pt4v1HITMNaIrMjDltdfvCFenA0TRoLxZFEXvFHSxMM2GeOFVrR4M8jupDm56SVk.mVfG3qHMttm3YSa82HqaF7BJNv5CWsXx.zcmw8pBVyeU8Tfx7TW0vEudmx6E2X9h_7g',mdrd: 'cctVfl.JwrFdwN8rq1V7.VfT2JkeCl3w123aNw23fac-1753810922-1.2.1.1-_JdJuuS9u2Ai5UvJgNGWZfgj_q9ElKCrdG4qWeLjxpXHA2PwF3zDUH1fiZsIcgkFvMA6T.kBlo3up8IoFdCULuCV9w59g3yq.9xXA2B_jFOmI3sdRjLKcmMF3FXtHokcOw2gNJ8qT6wXyr60jE.eniLJABjT10L1mfl9hHWoQ1YeACCIuRGsKTe.ltHldtx_lxzk6rqpaCFhfGCZLEb1h4NBkFqO77GGyzdjCi2FABezkIu5NmIHbzJsGLTGKnrH6f_Dew_gXFc.aYufvlHV.3TkmLZnjVRbJWOrRyK4gOQMRZ0AKNx.WfZeETtZwUg.juARvbupc.faO62PyNkjkSWC.8xwgiT7eebKV4kup3aEdccuzlqSWZfICdN8nnhYAOnG1b_B8cC9oYvrvQy3s5wZjSbGnVzEONxk2GNOL1JNgmuykjqgOzc.4fnuL_f1HZqAfySzrfl2Uw_ullrOMbqklCqwmhr.soxWyDk17sBeuvMmN18PbAhlwQPEYukZ6GpiBy4SnRV.G3b674Rv7V3AcY2dzlmUwE.xrGXCKTib6qfMc6CUT6KdyrLmqVHzp7p.RUz9EF16IYwfL1W_aE794hb2WhI775V9H2OznPjrN7kJWTGWSdLVVVkZKD8UPLz_6659NZJVr.G46f9OJhmYH_MHTmt2TUGIGIx3liTT3T9_qk6kvjFVN0eBcUWsIvc_s7I0zJjo9POgh25K54BFwHuvanW3JCw_R6DSwbZLR6bu6a1Y.S19sh51D_FOeg0eDWJBem2p9YktCGdGmcvTK8IS3naPVFDdh.lJNSX3usBGjoWsYsfG34qfmKmoB_9omICC9pSniISoFDGKVyODaSkDTxxc0LGFIou2S8.22SShWIFiNyXZvas1r1cmjWG0Am.zyaPqUAtLzYYMAat8lQhf63oMskR0Cjz7TUTCgytnpij8IzdPU8b4aH5c5jFSU5SjHmm4nV6iGtnIHQwJZEz1fLpRC5T5uhBJ1ZQ.QKYS_c3dvpR3rkP0CbUFCyZl4CS1tYEI8F58NxizJT_hLq8heTYw1.U9pf88Ob3oDtsqF_7GCGYZ1q4VZxJToHO1nCL9xnZmtW32xXLf6Bcuo3OmO9uU1SwBiO10Hl6T8kATDhqfJrSEtps8cXxa4Y8XuXwb_zbfHXlMPsu4UKEKjxxJVVX3TiJuFpyOq99P.ZD_xwqSq7QBGOEU98e20JRLuFDTt7rB3T6kOXw2PYGsWVNur7pkerCgffDG_.._1Wgk0Cd0PytLXEWO1wMmju.N1MRldu1SXBYshoFyudUN_5lTLnb.knjygKHDyXIj55cN9zDflzw4N.pM59Auq.vBtejXMX1.3HX4Vr4KYdQhEQf4z1nJQdnraqA1IBdpMCUMGhS9HOIZKCWndY0xJoanzEivIi2Nq7JSR6O7VtBMsdgf2wi7Mn3P.hVgj3dhlPWTHE1pF2sjdpxcWoUhQRUw4iAeIMuVRpqDp3MWQw7ddAFTbFHOYESwmVEH2S2R6kWTFMEOG1YnIUSFQhJy525HVAuHJNFoa8SQmIwLYMv4T1ZdO4.mGzR_SkdXVcjjjONdXvjt6Ev6awFm5hmLYwk_Cshb2yUEhhGmxUMwEO7N7MmdcrjipyYZdr9K3Qtw9YLUxNxFFSpG__o2l94z56j60uve5zJvmKXpbUomOFYvGCAmf5UNAPx0sQvvizPPRwz8hCBaN.zU4js7SgVK.Af.Lt_GZF5GmVQRHBLtqH_.GJ36OUld7HQbjA.9JCWmb7TBV7lVCsxNnY3AXlmLIXVCFPE.GOvufvVHQ27UuNhW4sFxnXyElUtqc_HsYMp25Dtk0dFU1g5whz.FdXriWzHw1AGQQRXuhUwtEIafhK8KPrEN9ugWxlVlhQs2fsPzLfxggdjtt5nOQBzW_Lfj',};var a = document.createElement('script');a.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=966e69195b623b3c';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\/2087364519?__cf_chl_rt_tk=0bxgx8ardbE3BHWg.5R6elGITarhbLFeGLSCEIj6LdU-1753810922-1.0.1.1-BhdpPTqupMS07NVBFQOQ784B_DDcwdwfJ7nYSqmBSgc"+ window._cf_chl_opt.cOgUHash);a.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(a);}());</script></body></html>
Copyright © 2002-9 Sam Ruby, Mark Pilgrim, Joseph Walton, and Phil Ringnalda