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-affx70gqx.mit-edu.top/post/8045236179

  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-affx70gqx.mit-edu.top",cType: 'managed',cRay: '9110493d791620d0',cH: 'lPHWWEBqc5J2fiUX1vfaKgZ80C2VP_mn7uyefyAs.1w-1739402183-1.2.1.1-EHvMVknuRVVWtneITPS79tmc0rqW9hP3paAwNt5aT6diyHL6t05Vvw_qb90A5GI5',cUPMDTk: "\/post\/8045236179?__cf_chl_tk=wIx1M_EOJo6OPRuNxeifoS8Hx4YapIqJEhhzU__ZenU-1739402183-1.0.1.1-ttOmkh1xXQAA2nTTHzoOy.9nysj5olImG1CepZsULKQ",cFPWv: 'b',cITimeS: '1739402183',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8045236179?__cf_chl_f_tk=wIx1M_EOJo6OPRuNxeifoS8Hx4YapIqJEhhzU__ZenU-1739402183-1.0.1.1-ttOmkh1xXQAA2nTTHzoOy.9nysj5olImG1CepZsULKQ",md: "gt_V8CNQxHsRt_cUhEh9Qq1F5cCHyBi2cpFMHupguP4-1739402183-1.2.1.1-JZm9uP7jWgR6Oe9jpdxIOkvp.GITV6AUTmrB_63eaoeeor7.Fdp5Np.pmWwCXGD9usgAlB4cXeG4C_JN7kK0FyTUrl9v1mDOCBYOb4rEgQvG9NHAdpO6QsFhmkCwRWUq3B9CVT6IuP53ogZjenShimS3jHN.y.qFTwt6m5TFUTrajWtIY1uMKqoD5Fd4qiSmcmMRpbzWwbOczMaeTMNFf3OJpuWfzobYNsU7giPxjWFbiyaP3ZVIya0mwdQNbz.Q.uYhrPpMuoIK8Bv4MGbcoI6gpcZYb_GvUPQQtKyCOncBmcYT6hgCcDYwNvIdsb1b6kXH4ANmhsars2tRkkYCasKokAUXpx0MHjdoTm2exTQcJPMzrbVoPpEOUu0MvnwLlo75d6mEPKTOBmlb12PWLSNRCxlHBgG4.4UNuHs03.wVjX.G1TGrP2IslGdz8GIJ0LJ4zdPTzhWgKoWIUxtRorzeOh5gVG1IanWdggxGgYt7HrQbF.yaor4gT8iijJIWIeyYCWpRctz2BWtIuk_uiMSb1iM6EcWvI_oi7MQOX2vKgTdVM1FbfB0jGETbkoSMil6WGBeIwgeYbSy41WhExP1hFk0SIA7j0035Jl2i51cFAZ4PBlCw2mePbvErvCo10A8ENoDuY45_OdOvldSfwdL4vvy_M9PxkwHXKB9OBydsm2UiFccyvZjpguUypXfNXos9WIhwvc4FahTlrItDE7PbvAtC8HBKbLL.Y_RkbCtgHZrzaVslJW8nfSpSWNX0BgyIblh1oljBDY7bttek2MGODUgSwh2IxFH8jwsrPUAUnVcLcafzyDz2AtuzAVBT2xVgpZVFnfSGr8EReoNKllchM0rBI9ooZv8r7.UxgASuEE2jGfXZMrfrC.2vT0mm3Ynf0YwOslz9VuOBDbBub5tr9zVCID66Ks4BKo2GKxd0RHA82547r4MNT9lDSAVnbIZXuGSL5ULZ3pLyf0OC42.gBBed9eszb2KzNDuhwsTaqZ29lH24l8lhmOKvzrhTsFP0v7GXb43H9CbCxiG_hw87dYcpSt_KRiHxU4dcY0M4AUaLIp0KTQ3yQfD2lKToN665czW804PGVKvu1BD59X3zFzoZX_.bkEySmroDX64vIb5NkaTG_j9lhPrV2frGkyq7e5mYCfwVb1cncA8CFWJ64dkiYp40wzPzG0Vi5bJwsVczphN8WOiw2lWVvKXRc8yLfzQfOYT9E4Go4IDmiV6KOwrORYSRITfE0PHeC45ji8R4vZnbqMeCbmvfrboi.N1kiTLzu_UsNVjhf5RbHIJWxXupgFUGAAf0m3jNTvhuhYPBifm8sSQUG0uKJx.JW5ArZ7YD.RLfJrIqk.kWTBisfSvR.dn5WszUvlhi9NKDnokE008vfapvkBXW87TyYMHs.CKGALoaTwAUchLpl4ZDoAp4z9bTRPwgrr196XI70Q1AJuvwwaMfNYmvjgwNw4QlVqvk3aRDo.9xZsQF7xAzOppCUtR.86p4cbbSEkyJ30g9Jcn0jfqjJUUnv6PhiDJFv24wUg5jXFlDeSv4VpBanYxOgFWz_FFEkmPbAhozT.jejIcfaZVwOr0XBm9eIhEMKKBEAWuJyXa9EQRrhKAEqTIlEt0TF9HEokoMZzo69I_GGbdLRH_p.mGaA0fwNpe5b75bOWXgpPOHWSEPS44FPJiqgXcAwktsZcoBhL9tdAxl96RFAH4j1g017wdKBxXH9xFo6SdnnLp.L8TS4vIAPyWeM1xMSE8RhTi6HtiKhaw8rrx6HDoRgau.AmS0qugbuz4TjMORnJxgZD60U9BUfah7tyczBp5c6BQJ.xmnCCtJVF73FdOZTo6g9vt1RhsOObVyXgNOzUzqhaAl_WFpdxW0tioXl6MyhP3HHnMIEjU.UbuLUB.0C_K39iqNnXQ2rcmirVdMHnrkErj6.z5umq9EfJmCX8ZSU0f3TwFYLXbHojLzWYR4cZSnw7g87YlsIE4CjSZhC0Wva3k7eDtSyhk3dLlyzcrEtjsUi.HPZSfZ41bjiGcXFyNp8EluQFAcVK1CPvFOp7DN7nvUJl4SJFcTa5tHfIEHflxGbuP42IvHObB.jGRTuQ0ixwjyYlb5_PdzqluosCvnLLfosJJZ1ShQarylUKikur.EMUiMx71r5SO9.yg_NS2zt7g9WW0O_KM4KQwsSzoBQV5EvT1mMp39gkwgINWmq9UYJWbrGWo0oZkwJn9MR03Tu_We",mdrd: ".sPa.pq88TwJBLFgsjSSWx5X2e0nPoJymWYZ539bDQ0-1739402183-1.2.1.1-qwE_l4uR.Ara2aO.ss6rTkmjaD4umACFSGVjBC3t_gMLd.0gcdieqkCSaLAOWi.bIuRt3zcTjUKp5xBrrmxMnVMbxmiEZo67Q.zEgXPnsOCiAYbOcydH.KS3VbNVzWl.tDrVAoje7tnvuSDgwvFOj_B91.VEPFKlRbJh5CKH2qT0OdovAHsp7dczM3pGE6kSbFFhz7gYdcX0qLJBjcUysAr5.C5dDwh._q8qL.9dDaOQqTcN5C8wLV4LAgzxZYSfg7T.f19FwCLoNaUdgMb0tKmXvmzCXJbkRvp99.iWjn3921rMviXy8rWyZIw27rPI0hXEWzZXxnCgRUjejt_Juhcyf1NQIiKNwqHUGshqfPPSaG8Yjn66yLu090XQiDjCrrs2I_DwQt9sMbMgoJeq8Wk4YL2Y7oUZY3iHpw_YfnLkjwzgBNp4_eJSyauZpuJWjP5jBZpusvJMnKEPDFARkkwF4FZMImhOYIJsVV2D10H8HzyMMBtuqYFmK1FBQhzkTRF42sbMYDzeTNcX7CE.NKOi4MxqSsOJryy4NqcEnIldUB8upllcl5UGUjq8NA.CY3xHTRiwbJGXub_xIySm5M5lVDbjnMJQA8tq1JrULQ0NlG4BZf9XtC2_C_.5I.VEvGbxUnrZb5pEadDiRGbSB7qD07sN.SOiOFQ9KQ4CXDQpfx0BwDxNLEk3WkZi1t8tIvZTZ03QMzgz43g2nUdy.TdF8G7YHCe7HcGmpi8aVN8.gk8rJpAUM0wikYhs7suqv4UplCwn7t3c7nVOc98d00P5cMdOXNoWBNJdvKGKkGN8oAArGigZuEV8YtGLNXobvkac_MSIVNw3QwvRdwMoilAN3KNwfLCzwAt7QTAQHGZa1sMut4UND1QSOh8jCgAARECGQy13f9x7MifryR1uRwGUXf5.XPtHFuOFKKtVLJ6KMx36yOewvR0OFnR3K.6a27eCRLGTZt6SOpoVNaA9OM.EhLI2_zupFnoC4zhfueqGyw9Cd79CyHAT_kIweLhPg3qUUFGBhXPIuxpLeZhbMGK9EMXf29m3p0zsGOwCx3TwhrsI.ETY4aQEMO.LYcc56NTKWNHn9itLcNBGNGFbe9dLed9eDUwJxU6Uk7YbWiK0gs383.ePViVku3CQdNIk2.0QNyy2ztfsGWKZhjT4rcWbBMbNgOetf7WCN3uKVXac5xEjCeO0TpSyquJOTVyR2KV8ohtRpx8WALJlfFGgdwVOF50o3_w_yzq7IrePYQ6NANiEVKu9CR5bpQZFgJkipxV56nbrwJATjnAX0fv.N6AwrPziyjVtzoGsiwwmxGk78zF2mTRpau56Rx7wx6vK3OFo_0pENbQWZ1N2KwEGm89x7IU0ihNI04MKWO6YDXPiCoIm9IR5_COd1rpSMdZqINpHFjnrJXi9DmyxyILtraMWLobF5LbRgzwq0eRNHw8huCIBu2abGsKf3wJTZr_sjN38lemDAA3r57I4gGhosOiVgb8Ym0zosUSfsKlJU155B3GWbmcJFi_QNJJX.0glISiUtQwyRFaMsOcb3CTP_crkcMlcISd_hD3.tD6JUVPF_8k2tmdVKlrBvpNG6RfXIOYjERUBtb2Ei.s5zQer8blr0IJaxEQ0wdBQdmeSllYLO3hAA5j4KtYJ4jK3cY2P.ewuyZT7KalkbOSFAe31NuHN0_CiKtgVsJJqVVMhFhk1trbyVABCDklPtMW_U0mMkX1ZtjNVoCAgVNmI2yOjL7VG1In5FDtDXGOkj31rXWopBfvd2Qx24SPQpATSEbxFiuUd7A5vI7XLdChhRTe2FA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110493d791620d0';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\/8045236179?__cf_chl_rt_tk=wIx1M_EOJo6OPRuNxeifoS8Hx4YapIqJEhhzU__ZenU-1739402183-1.0.1.1-ttOmkh1xXQAA2nTTHzoOy.9nysj5olImG1CepZsULKQ" + 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