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-859258942014.mit-edu.top/post/3815420769

  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-859258942014.mit-edu.top",cType: 'managed',cRay: '910fde225a8f1ff4',cH: 'jfjgITrtv8x1wAsPf4HEwGgPBgDu7o8pqkNpulWnXqE-1739397796-1.2.1.1-Ekd9WhOR.VD3mw71FiNvK.JCs_HVpKPvvrQn9Mx1WqJ.qz61QVCtQAA340G1Zu_U',cUPMDTk: "\/post\/3815420769?__cf_chl_tk=YZ34MpIjCy0l6Uv6wznz526TdU0vIbjnCd05mCIeDPA-1739397796-1.0.1.1-1KqM4f1RzzF91DToap4vP8BWQ8eTI4LUq0LpCtUsQy0",cFPWv: 'b',cITimeS: '1739397796',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3815420769?__cf_chl_f_tk=YZ34MpIjCy0l6Uv6wznz526TdU0vIbjnCd05mCIeDPA-1739397796-1.0.1.1-1KqM4f1RzzF91DToap4vP8BWQ8eTI4LUq0LpCtUsQy0",md: "V2HZe2JXmJpaue0k6hnPkGf6HXIUKEMDef1ksEUCiuQ-1739397796-1.2.1.1-L2dcVFkjc_hF4M1v5XI_xqu2t0.N0J1x.R1LwhnFkwFzeYk6S8P9PLv1dRS4rBUE0Q_Zya18kpOfn9ExRrFh8.BjQcDfEK6fqqWd67134kgeW6BC6Eg8BVistcGwOT821dB4DZfjxSy3_1BT7iK6ghxGrSNX8s1PhbcZnCwnfKv1NPaqLl4H8extxJtHZGcBTyw8HhlP6Xc_FHW9T6_jFdNt_JC3L7rKDb3Tx6VOUnBxJV5HG6LGmWt4Dm0PbeBCV8U.60LRCMVivPVbWpDragCO4awAxFoq9RXMR76TfTvwrYJr7OrTEJpHKLaKpaSoURXwRn67LKFvb6SP.oY6h2KCgMh6M7Bmtmqg0L67onQMhVLkQOmdog3bmhPUeGBKoapLSKcdHzXxjWRBhQvI2DDVTKIUh.07Z1xn_LT1vw2g_C9ZHwXfWPPXeAYuny_OymqVwJs_IaStvHrvqTMnm5iVgzAtR77hT_yq310zYMnEntbzqq630OQydCpJ21Ga0LAzyZOonFT3k2smsEvVqG4Mf1Yn_f_gk.gRMzp.GE47BMM9VtJ0lMwdqPaTk3NqrjFHkDSh6mA29okw1MHo68Ei.jetk3Ofg5GzVGBH6eU0HJGl0MtvoBfkSNX1naH4_yqbi12Js8lR0ysA9W6VShsr8XzbE7TPoFTf92gh_DJ5oYPR1_ZsAOjGFsYdmBSnmMBuofmN9aq.fF4TBWyCHiOvRP8pnKlZMJ5DQ8bkXO8tyd0y1o2j_VypEcRNT72f33qEvp.2kJaqOPaiWiDjyqR2ft_2ydKDpDF_OYdHZomyFCQiI_4b4YBBapcHOaH7T6_OhlfXXovlTfklfJkF8r6fCViR9ngG9SfgTCsubRTY8jot2uSrT.9u0E.0S7.h2iobSI7OTGoZRfKaa4Uy9JT13aQ8MCq_BFBKzcNnRxIOjI5r6f.Fm5o3JWftrGadfaxMK8U0SumcJ9FFhzG1SkBjz9I00V9AHjd6z5dEmI17QlVwYkje.ZaW4BbAFEAGEllKomXWy4zPmbuiwg6qfxjWdHu5xT.GUR8vm6J9SyIimhR8twiyLTRqDHuEW8QP8JTdyL8eG6H88AqIASKcueIKmwPDZvMylUw6p2.ci_Tpp76qFcsQfrXxgPWrg.NHOl3lHRwZYXeFSQgN5.wPZE9NkYgZ7icnVQbP3A2.zf7TY96C_NjMgIcuyOk2_dtE581rVSJgMDHHHfb7Yq7TCyqJ42Nv1MtC.hvsHEUM6y4KprE6D8.LosQ4Giy6JfANh5f.Xss_P3SMiAuYplgOYewYa28uLLDeACmaTsCOURM8wFNtvB17x_d6X8stEFyYBgP9rfSNQ0ofWXT8PdyHHR6ZMms.p876cQHz3Pqxe6NMyIPDhtPiNsCDLpm22dzVA_0LP5E50VvKQEX.xrQUJfWT_96L5xSsm3yBO8z023fubKYVirWws0YhvRiThI6zwRYDcrqkZGLTgBN4FtUJRl_QpSRs2FPdJSzZUR6sa12KDwmayiAIiwTVg5gpsibm2_BFx8IVPazirwLPoUCrMWxCjSrLlit74yd8DX213drWDuDQEoxlX8R4KKuLTssUvmttCKuOuOFAR7ghmlv8N3pbR.e6HE0S6uo6OkP1dz9r1rlC3O9lj5xrrXThPfXfpMSaLiVLNSQ5EJP5P7EOHSvXwnOK7XeltCeTfiimRWjfuRWZxVte6iYaSUE8Iwy_LXDIlP.6QKW5REK3jlEwr8fHkYDBZ3DIY_MY4Pi.OP8TTYbF80qsG_GJ0Idbw1lwvnRWD.RB3ZHgN_cAm4T2lSNW.J6PzKjh73jSdLtQR5xigQ8JkkFd7r9TvbKvoF4ftBndHVFPx8K89YX96frrPAGs8rewA7vT2MQ1iua8lpQ75gmqvz0S_EQyLbhH.P5ZkRrvadcAY_jGowxcFgYZGD6RmCLU1TX2SBFzWTv_LgwgCGIPgCn0nmQniaz5aGl.X0scU9yUVXiWjXo9LcFXlS5730Ek.HFdBZZi8aigaGnh.THohSE0MOqy4jR4Uv3qEoxUeQlRZt9HzLyzODO2.u7rVRrQirc2DT7ruZytQ413stXwVq_Zu4sMgqPYhpPWvTqZhUpKbW7lTzyF412tzHUgp7gYK5EkcCV1FO6JPiEjUqUhFUScdjYLIuFuwqvyfJ0us9wlMQz3QlTrQtd3AYw2u2qH3u3EzGsNvJ15FoMRPU..VXBRraoZUIFXXEg_",mdrd: "FwXL.Nrxuv36oh03XEHPwKM81_qfkgWiIQyFsrPDxnE-1739397796-1.2.1.1-omC05dMe6YKDEfoC7E807zTRKwX6fi4RDUEqR5_efZqefAiTY.3_p7WsA4xUvFulT60VC_GhyzWpi4GU6QavymJP._XhhLQrFXQvgtYVfhnoUBkfMejjdqxcBtFvcH9lmW0KAQAj5d8x16rXxmiTfpHuFL6vMDNFmphchnH0yKF3inVMqkWjSBCjoj1e_75QVdRFB2YiT44bZjSlP_H7dq3Iwo9Xi8oSYGrRC8q.uQNm5LE0f_Qy_2OohkJULn3bOZmzaluRPDRedNLTvK_E9YRBuGutmZFHL9T6LRMBU4J38DSYAMNMulNFBL60TJSQj6IkoCd9dYo9G5jzxdq3X8M3zNwK1b6r.TCTq1TRTp8qw2P9SZH0DF4UW.BFpZwpCQ2hubHC7GdSpL8NsdJ5xP77JqFDpfZzORGEwM0TfkmTSjsOCfhnpHtap3bNRwUeDfe7f.FKzbREAUx3uTJAEmGeC.5kbWUlU2HtdnojSpMhC3uJzmDeteMHTS4vvYrNZwax1UQE7hQBB6ZJVtipVug5MZN.xaXuSVp5.jfgWRi517U6cZztg.FVhzH8smfECEhGyeYKp48yxlMYU3mYlWUwSNLHTBgphbIjCpBx4Xg6XoZGwjuJxplCJ5Z.UZR0sOqO6Mh6JxGLcTCuVoBJZ0YiYnl5jKPYrn2PDYN03jzP2OVWi8a1UO6zgy15qmO_9UBeVil72ML7vKseh8xQ.cgfg3TYuf8fjhtTECRd0OPovJVL0gtXtUX80Wy_e0jziixoiE4tNOeBsrQqwkiuS9XbecQEsDxKkc5nQaIX0b5leN95qcTl9YcMq1KLEsfXm6Xobs1HOOil0LbBoCYzNTHDhinvCUkALcDWVgtqsjuvaU0pOjFrJwroLtywQnyKLhGS50507vvsfqFIG_pIxJ39_3l.EZKdAwkgb2eIs550v2nPeyt2O0h8OQHcSxZeMUZpV0QZ1NsE1JDJPOis69LshgH1d8dLJ2MQQKMi47sCKfuAqfeaIz4CWhlYyB5vnM6Q9xgQ9Mexy6ap1BgaoowPR9T2oNHE2cZAU6dpXk6mAXXzP7R6PnJSk45K8o04OsGhKQj6ITsP9niEHtOc69U38YsHnuL_cYLpsreVXTRtDevSgmjvQ2w4GnyIXn3itHYaIFTNI8ko9BwYF0F60Jg_WoHs1YEVRx2XjSLVUV7YcuV0BCXf.O6IrE4gHuvUOjlCtrWC2g8Je6.KlJRlfvTj5y6iwJTsqDf8CRJqycKmrLKXR0wBtv5HbadxVpIsGVBAbGfskyQGoXdjfXAVjtLdh9nFcuOjS4hJ6jt3mxTDpNJNnX80iOcDiWOj.eYVCoCBlPcv4TW1zPAeS3mnKWjD2xgN7n2fPr.Y2oW06m.8ecpu3RpljWnW6FMSsPApnqOI013hDp2x2byfyX56C6yKqAAdgL8FczapmNnuJuzfH_wVhSAtgQZ0oIczVRvwdnir8Lz6j5V4EIXOXHcec9Uzq30R0jY0PBjvBNFEQQEdzQHuOk5jDeS3r_vkoTuNkt23dYNjgWfc_ocKU2gr01271dljGaI1ORwQL8AeJcHgqxRzRcubtFxS9uteVrIb4Al8c2IZ2V0C34lHkDL3pSpWwHo7KrYXJYW82JW_alIwFxYvZ3PAbDEce6923Z32dA0QkS9WyqqF52rRlzbebpv39pYqJLK9BYVULAjy0Bk1AxKFDiOpT.jLqTJYTcWA08CfEwp.edamfPROOYb5PkPcBftQrc.VqckhbL1SwPV.T04iC1gIyIfDKiqnLYM7CTZR5ugWRz2tK5Dn5iy84PQejQclM_qhbkyihzoJ9HY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910fde225a8f1ff4';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\/3815420769?__cf_chl_rt_tk=YZ34MpIjCy0l6Uv6wznz526TdU0vIbjnCd05mCIeDPA-1739397796-1.0.1.1-1KqM4f1RzzF91DToap4vP8BWQ8eTI4LUq0LpCtUsQy0" + 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