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-affl4fnny.mit-edu.top/post/8364172590

  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-affl4fnny.mit-edu.top",cType: 'managed',cRay: '90f3aa6c8e0cc933',cH: 'n9iKhDs9jFpcMgFIHw6f5bf6pM0.8Msse09sZ0mnvQo-1739102076-1.2.1.1-huFQwDM5G66n8JO6Zz9CfcM1eH2202CZI9F3GqLqCoUkewaLP2gCRlHVKjOzMUgX',cUPMDTk: "\/post\/8364172590?__cf_chl_tk=LMkY7ePEwLbX.6tzzrMYacBKWyEuUrPv14ruyzX1S8Y-1739102076-1.0.1.1-1GfuAsVvEA253OLJXpEeu_y_OSLYbGi_hb1DvJmnzag",cFPWv: 'g',cITimeS: '1739102076',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8364172590?__cf_chl_f_tk=LMkY7ePEwLbX.6tzzrMYacBKWyEuUrPv14ruyzX1S8Y-1739102076-1.0.1.1-1GfuAsVvEA253OLJXpEeu_y_OSLYbGi_hb1DvJmnzag",md: "ejnTgMqqDSyCITE8lF1Qz4HgQlVb1szYeXV5v5c90ak-1739102076-1.2.1.1-tQx5NO8xnik0JRjMJTZ_JtCXgRlIsrvkDee72UJ.yGo7mPf2MHYQcbMR_eW5Bzq6OxTokf4OxEyHizDtqKc9uua7mbHei2PVgQ.oJNXIb5uXwlR5tYTlIj2xi6mvc_6jD_WQPn2yVwdn_Vs7d60y5NtrEZS9zH7S0BRlbcMxHuuFo95FY3LV3WBv4r5R0aPJhpXVzFWBt2.aSHUCjfz_XjbeGL.L5C9kxFqmcrCnqgdKeVUPC8v.pGzFTXIgsjWnkNJetUpxNYhE7ulr1JTYmgq9s8BHGgRkxkqUVSCjb34qpekheUNCyRffoGyHf3Cwkodx5hDouczGMpqi95n6wkKvf6g7QxiWmdzblXAfPZiyOiJp35wFphJytGj4pXhTNsTGXmQH_4GICBG9enD.qqSNWDbRutrV1bv1YCTEjTb1zX2yilgbynn2ereZgpHOwL2SpiZ.bqG0k0x_IU3H1H6TrNTJbzBWyb7MW7icmZiV4SogpkWoj5WM5Wm6lWgZrOjcVEnG673ajxGm.hiHqBJjUtDKzYJSCi4Gjz2C7y7YqSftBDrmLB3Tp1KWHdyZokGulq02s61Nq.lzHde7jQPFVY5HEy102eDG_JD7OirGIhLylt2Bzh55HYKaLY65kvE3xfz5NqucMygjBww9nu0UeaFZsrPn.UEqZs.B5qXPp3KXDg6mvG.xow0KPW6BnH7gMPf2dTZocSG5lQlzOAwokn9tKMjudYejCfyMeMP4XzZ4kzpi1CiuVBFwtCLcda7wTKvGPtUaUlp32ZkY7nLxgihNwtVyAeHSUbJ0BbD4dPNExqmtI7g8zBlgaFuGgH3J0WEH0iEbUhEeg4HiuqXHnjNtieVIgGXdIgGdNipgHTrFgjqLtvC2cKLqgv_fME1DJGpvCLUV96ZQIvwcFgvBqBLtvp5VVpgcPAs2.4QRurUzrYtAKKDuG_vvlv.HtDY5wPfGXeWGfy8hFyuvXagsh27ApnHLOXsrKGOG2d67W5V_0f5DrErA7d2MBWc7YKy_BwSSwa9hzwiX3ib4nVwDjKtdXwHXBNvBgTg_HqKb1k1zxTFIo7rY3eZnXorlX3WFfwAKRCGuRQ6VPUtZ6mXOahADkgL9GlYEXPxrezaTq0JdwfSt92zRREBXQiWRlE4uSufllDTi03qFEmtvpwKWS9yq8SbhJPtDz4tmQclJ_vZdwILimQt61rGZZlBy6HkZV13ufIvQ6stmRCZbs8sFChWvaz2mjRrCSrqhE3xCmhdqcsnkSS1R6.u_omU.znSQyvf4VynLjND8zSSZeotSp6TJhUzPeLGG9ULDxqK085PYXKIZDs0hnSxCBLt5RwXEfV.IBpdjlbUihjFo3FYmQZD4K65Ngcc5s_0.ffZy6nM12ntucpETlvDNEDzowVJ9jkq.X7PQP4mNfsEr3BP8_Cgvf.zewXEABirmRw8xbIebNrRK6K5B1b3eGM3S1QA0VeO4ioNgCczVNz8s44wT2oPYifg.85P161KJWPLc7ajOqgwCwe4.gdzaMZjs2iS8mWJJMBWpOhQwFxk51ykygV0d0lWAs9jM78A73jqsyEaQJAMT7cPahc3MiogtgpN9TjxeXeJPWRD3z192ov9UZNcls.HInFCP0s3l0ff96gDnWN9WAIi7Zj0EoKCcdiKenYFzlqSTL6_HdSuHr9lakluMmgiFeEzX0DgrCTY6yjb3fNXM3EO6yGOd9TBpcMi0dqFnT8l6IitF8pnJXlWDUIgMc68PXQlUuQqec_vVUtDUU9hWq9.cV5swT1mCwlA1PjWX87QCZfNEX6ipN5Mfp18kVLjjLHzb.ysXV4Yirqb7__ygZsApwbDe_eA95uBIe4qa0S7_uNfu2sTVF3_5Fpx1cXrOeKk0Mg9hz7kvffu9T3u_oW.5z3Olqxf1IowDjZxZySUgPNh2er4cYngmUQSMqeYlFevcYqiczY7i_FHOOgGTS7Cru5n_cYvsXEF6MvBXihwWo4ulz8FjMpQiCko8QKehNEYX3p7AzJx0bNBMB7q_0x_SFJiCzx0zDU1X_7vZA3iYw.jzGqqmg72gE1tnqw9lxMdvovaAbaQJ6zGUpylJCGzfmI4gpmTujIAUVSeXhCoSk40dwc6Cmr_rFYB43Q3PE8MzPRqa9xHZya1Jr2bx5VagBVj5233pb7tTsURbOeQ7yxlEXTIRNd_JY1nbYkoaFF_idT3XZ7qdb7P9Ot9HWvMYRZztY.Kl",mdrd: "XvVsLV92_XloqwU1Rh5mrULczx9W3_WuIRDd7fWoRL0-1739102076-1.2.1.1-sR9OacRYKg5pHvScX_8rLKDWbOF5_5k7ukP0gqcSa6IKLuBbZIA2qxHu4qIbFiek_1MiaUjlj.e47KgevuewaHgZJmDJEjqJi7EMoMDak9tuprw.O.xypqo2343m3lXDTOmY0KDzgnj0CkxecvzT.Pis8O0N__DszZ9zvq8LlaKJWfDVjleYP.AJ6mJTNOtYeihP6YK7IDtxg.0FT9m9v4h35o3_yrh2nEuMRfhQORF0Y9eKkSAYntkuL9lPUGhUctbintBKBKjl4ZLzFch0nfNkDpH1BpgZZuzKMX0l3qd7uUk6rrmr63eFnxDwgF5WiHzZWRJ4AdW15Uge9_74eynyvJnH_hirgNS6cSvDDVRDC79Nn_ZhlolIMdMNhwxYz5yrMJMLRs.8UqOXeV0y3wQdQ.vishNRGDbFJ.wRa47Qh6xZKHA06G.fIn.fP1I7ydoleNhBHSj72Y3EluK8q92Da8u9RNaJiLqrmqldZXJMKAT1lLDdlF7fWgAx4gc9CSt0JWV_.mok48rXmKl5gO4ARQPhDVwStQQIhiypIVpcvykSm0cSdH6Wz3gOnSidlp0fnKboIZeBptlXMTgUp9GyJGnq.26SsiC4zt101fMQEy.HC6Z1n8gyOPOxJcAHwBlmpP9ZI774x3cEdAQRlRkd73Dke7sBa.iuyTf1LZWXbESDpAUvIFIBaOj6KGJTrSEIqrYyzPynpOix41QTxbdSvdkohYbbzBebndJjoHOHZ63zDBkLs7tDNugnl_BkzCDU_xLJqK2WEWq8y3i5YNXLaPUypVh3FTFNsfWnmTFrsPRCfQSUkpXSN40sP8kJF7Q14X6NOAjkncbpsCVt_JTVMp2AhlEC3Ww1Vj3qI3CvUV63setgoAhTeFgoHVDVNaFkqwbIUE7TM6VHXEycOZCeS8UTTh5H.zalfx_viZFpQ1oKArFRPWhVZ.iX6kRWN.rnMSJdlL45CFoGO8i8GTtL_gtPIZYCzKxMHWNxMX4yyXF_ZgBv9uQUXs8YtNJBKIiMkD6Qoxb9yFVgd06C6OOWSwidqCcBQbPIo.qlaeac01PVudzAiqpjWjUZYoguB8QbtH2qokbk1WomJAf61UKkQVIgdHJAkkfA_ZZwsNLBCwzw2A7G3Nsxikb3w8WeGFgKWtykPO1UpitPxnmxd_cXyqRkgDYAQFvsL.S6HupgfbKu26GrTldisgt5dr2NCAd.7g8pZAm7g1z8LU0kvlcEi944NT_nXk.b9kmC.ZC.yNNwfA.DYOY7ainYSjw7PsIndfgm0UnoZvacTvf.FPcGTJenE4JZE0TZSXZ.DmJAcSQ9BWTdRDJ4bpggXEpb.4sgZ0INBpLHLLXYDyd3JMwyBcHueFQjQFpU1epZxFoda.BrTCWFcVtFMdoGc4w5cxNiQdpYyrA3RvWIqJB2L0RbkqkFfcR0P2LC.nZfL92xg7GaoKP6BSSbGhcv43rUyXhbcpmGgiA6yVxhIQjYnMDxApwkmvY_FaJ._.Bny7NgEUDyhhrxiR4AKlwkMHIFkotHZHw2l8a7uA_lrwEFLtSAKYQ.E_rmB1_lIZtYSLevQrSTG3DgKBZTBLleyqcLmODWcKD7f2FxTQ8OVzU16evILGbXYKTq84mmv0PLE0MScvxE1Cx6TQ0iRLGjzx6eiravT0T_w0gX4qfedQNTf0S60aT7EGt1D6MvIcmwd9LU.s2z6uMOtnVFDeBH4cqlkf0osBGPuMY80AJ45jCi2FDjdHoygbDHkDn6j5i_nqkASV9VB0IY_AxAz2A09S7VQvr5a94UPRGsd5Q7D_lsrQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3aa6c8e0cc933';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\/8364172590?__cf_chl_rt_tk=LMkY7ePEwLbX.6tzzrMYacBKWyEuUrPv14ruyzX1S8Y-1739102076-1.0.1.1-1GfuAsVvEA253OLJXpEeu_y_OSLYbGi_hb1DvJmnzag" + 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