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-393822550039.mit-edu.top/post/5287360941

  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-393822550039.mit-edu.top",cType: 'managed',cRay: '90f36a23f9dac96a',cH: 'zMzLrfCI69bXGguN15BfRdoql2BVkMyuB7SaC3Jpf_g-1739099443-1.2.1.1-rsyN4OayFJ4k2MZXhewW_JNXDMKbCEcyOKMp8qJcjvB1SgQABM4yj_c9mYzyNqxz',cUPMDTk: "\/post\/5287360941?__cf_chl_tk=oMm_PqGtY2hP5m85J2Z6O5t_rKCw.yExe5CjR9h.cv0-1739099443-1.0.1.1-D5sRtoLp2kRqnOoCgWR86_btq4p2Dw13WR9yEA7sRf4",cFPWv: 'g',cITimeS: '1739099443',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5287360941?__cf_chl_f_tk=oMm_PqGtY2hP5m85J2Z6O5t_rKCw.yExe5CjR9h.cv0-1739099443-1.0.1.1-D5sRtoLp2kRqnOoCgWR86_btq4p2Dw13WR9yEA7sRf4",md: "vmVV5mJrvHsB.5DArqM22D.7Ts5.6K9lriq5y5Zf9QY-1739099443-1.2.1.1-B1QG_elNupfmp_rPGn11n40Xd6yNDJxAg4XqOAKf8PmNbgg19DWQPyYB0ovomUHiO9Dn5O15ZaI1B6nrn9NV.1qiJ8FX0dS1oWbWtn1B9OIPINrT5.GXuiPwKZFT7wnGK8cH.11Q3fBR2.y5ScScsuzmy0bL.1v20SaTBWOUBTpHZNMWMJMBsicxGjCS88ZnMzvUiDNOMBBaKN7op0Q26Djq5RNkZvy8GfSdcLmIciYeKLoqtofyu3vuEYrFE9m1uxoJliVsaTOn.vQnhbJ0paVjHEiB2jYKVfsrIzO_rkMeLMlW2Snlrjtnd1FpaCFsP3IMJE.xji1sdVZMs99tLbgiEwV9Ioa6MGP_2fiswWIPoKA4.LjQycyaqOhbrRtKyKxaFFnha1kRaxq_72bFJ71lmt0K4NhXwJ13FyEFkttuIlXVo_H_iJYAu989Nh7t0gjeuV_TFuNmybWE3O9GOVZtmBRQlh7zL6l7Sotnd2nBlL0DXfuvMRSi4mgaUnHXs8.gyexwhhesj3uO2KacfBxe4O3W5pCYzaqKPP1vCWbNrlXaOVD6bq.uxmqGJOP4ZHO7dzEjzxvb5nLUVX0JWQ4VN8WThgk3ujzlrENnbfgCbiKp0jfatHp.vR.0xJUm8dd.qkfQLtuwHlC3uZbWWghwZPpaKwwJfZx8aUOjdoWjGJYyDHYrryhWiQz1Ra9CBIswRjmUpE9Y1roKfpU_AoBtSZ0WkSGKua1MeGsOu6yzYdmBQvhmza.cc2ZACiDKMEYcs5quxKd5XjKdVWfC0gRz1e5n3Ej0CLRQOnFozgdtunVIgrSBbUcE_cvt7Qu6q.KN.QbsoOxi1qYjByyehE0od31Fhdj8RF0iX4klGF777V1ccseJzxSTO1APrk7na8mB.G8mMDqjWgdR4kY.XT2kNWX.DLxFghrojHqsK40myw.I_keeAXunLtmxBPnxFu8mQSDNEfwBTWgfvyB_.ev6EHj2mXAbAAitV_Co0rXAsprXBw76HhDmfHcV2TJxsFpfhzao6PKDP_IpHhD3YKKLhsZPWIpwuhv1uWaNynRUWFpV27WKGH1Kiwca3IZoax9eBBcRlVD0ugO6V3DholBU3IwEpz6Ttis6DlARRCwSpIm8X2_iOu5BS.qCmGE8IA3sh77c1WXFhclaHVJ7aVCJDhgGHLsjn1nIs33RrwDOR2B4HzuV4fJUh9HecHa99_OFYRQHcyWZjkucFaL65X0fzJgJaAXPJVYBx64NF64c87JojEhHTzYr0QmaGCBdis7Ct.S16E8z2FcGxVt__2_PsxMtTp6Pu2XsBbqO7bsCGn6kmtwV_GGtZ5Vxu.uY4B0hJQAwqP2YA99CQtA_9lNOpR6oPDLQcNNHXy6hV0YbvqmXG0aptSNd7GPSRhxV4F.0hNd_mKoXmKUHSknJRPlpB2fgF4XX.FYUM9MCZshc0bpYoAr0joctzaYlIFoVrivK9t8Ewc05WuY7ZxqNXNM4wFNwL6G9UoX17RYGXD3zZfd75gqvZbSn4tQyQ7KhqmxZobNjEzo4wcnD1K70dT8Vg.W0_BORH0tHgShW8RMfTlaet4uv7YFkLUyGLWadnt4uQaWtGMN.koOm_ncKEO5VIoLuM0lCU.ZKJCPW9yEwxTQMxX0EZiRaevVTW_urykt1NI58.vvIb.Ggi5qk59jBcPOI0FMI8toQJ3vX2yI0Xnqi0k0Ma6JJOoFaMmSqtNIDY3v6EW05zTpMj74cNJAS8e9be5WH3fz3k1Hna5lyiKrQ.BTzjjyq1iePIMRnMF44yI1O3JCwevMz6xkc6Jjkgv2cseCpUvr1O.LRVbgT8oXR621CDPBGi3xkFXZOrwONvy2xze_immUCT8iTPw4spl5dvbGF4AWh8_5UyPopps5lm423N6JNK7CoVr1Jw6CbovMesyb8yCk_R5HBlWiZGK2UWJvaf8.lofl1XtEa5cSwAo.wPZc8Twe5pJC50j8xJXMdKrl20xegpVNKzEXn1S0UynNjI8KooNkECdMHLd5KBqM.em.sCMS5qe6yPQBnXIq0zf1RE8k5QuM1VEuwpj2a1Ea95iOdtCFGFHWnTSklhm1775HB9CxbxrC7nZwAkglQag_n9K02RAxaUAKflwc9rqLbt_gDP_DizhKH6RDDFPWcvFBW94gP.kDCMLb8_Dd3tbTnubQo.8oJjrC9W3DD9eEeFTymElsw8lAmz7tOZDLTuq4SwkycqL0y",mdrd: "nlIjeCBkr9VAs4dRI1pdIDIQ0hjAbK57okl5MSTmIw4-1739099443-1.2.1.1-KXrrhjx0_tvnvoMIGLU7WOdHmRZHeMbdX0dPP7k2UASurIzREXLddOZS94ShG7TyI1teh95zWtQrbUcwtgrNfTpMdZog0f2veXhZQ4vmak20gkh8mjwD844f9eewPFB6lBhEBOcx2cngbnFdM9Z45WGy5K_vg0AaPok0LVOkasGK8fAoX1H1gUPOEP78H4gFIC0rDUsvrBXziaoJzrDQY3M8nm92X4bEZWjUxy8hUCXinAEmu_KUOq6kOl85g.MIEjbO8jKh1Jb1ZHxlmjMLZtS3NoLAteWcVum0mZONYZTI7LUnmJy2Bd2wDcmme5MBm8vw.BqQe.7duP_2BTwr63W8jCrLg5Tu.aViO9EKS3LUwGFQlI6MddPWSss9QGzuoVqoRSbdnroe64ui_odrg6IsBWH8DWTXmELzs2LD07MUpOC3PS1UXkm1aJKUgWyxYWbJvaBVcg_67jsbX78.HvXpi3f.lOMmr5I.bgZJDu4c9lTm4Vl_61e4WPkqlIvLNriqvXnP8BnYCWUEyphpPfvrjnsYQVQKpMgjrLGqJtQrLvW9QHxcnCQPilML5Zox4hpPPj1H4qBweJd3GFT33EzNpdE7ouhH1y85u.fOLq1m7FOLo4IvVmeOuk9.CSR_B1deSkYjy1o3GcYK6NZDFcz3PNHwlvIJaGcxulwQEl0A2ZCpZmzZ9zv6CtdNt1zYmaMf0ZdOnXz5suHlgWI6_JDaMPBxl0x.O.9Lpj0pRtwT_MFCCrzkamSp_UuHv9ZkU5HQYR6AJxXQ4QRmQzIlX_L9iJI0HDhZV_QevAoKdXHEjz7fMxk_VKO8SLPf4i2vT5sMgV5MGilm0Pu0S8UqyCBiVKIUwaY6EKrtKGfH98o1l6RYow3VxGLaOGgZq.r95_yBZM0J5C.fWCd7HvafbWMW54YXsrQrPO0UZfc2RjEyrOt56H4AZsR6pdvRyvEQKT7QbjN2sEiZulBjqk8ItqztWf.CTg7n3q9RUhobe9gbmW1F5MS4D8dl0_6rk1hPvlobIVpkhyoQ53ebZ8FFveGpIGX.gSbEVIqvL4L_fzLsmYf1Y7c36WfCDfLmXaz.lJJZGUZTZjK1s77XizHplxvzLGUwz1f4063pPHoICZJkwnifSv1tB3MqUapIBs.7cVyiZP.tHLz3Okpx.nWPbH4noMkSpA5hJ_lApAuHUNBATlWX0aU1ybiOtX8eGbMOv5qMktS9amP8M2WjLo2v7wysnqHR9MC1vJy38qY79xE8ICGShJEhSqnIhQJEEra5mn73t_EptS8O8xgkwC2Gaul3cCfpZq2MYgQPLZ_yEoMKeyIpce.Xlq2xnXstq8.q2YKcGSTRoX4UiGhn8uP_mDKfJoQvBo1GF6J.kKjSfkuAvBzQHN2NlOexsqxQoWD0xwSlbcjJfMgbJWLfDeLQqkqhZBXPGc8fgZPL9lm.BUaUuby1KDkpOYcKbxgmws6o16NQ3AcTI74ZrC7fiQ6YX1p4Ou9qC0viRUEi_Qk9xb8r4pcUQzC.cv1IHUOqzz9_0byikRsuwfyohnOKNRtJxgYJmwpvu2Qgo1zaBB3cEX.GVtF0m0R1EqjiwH3nrRlSsnvlYPzDhO7u_BMaD.eejmcpRH32_uOdA_DtrP0qgpyWTmZCBfDAWclIFLMXbweZrwtbnKpw1qb1wI7_OyJnDlTq5RM3t.Hr1RNNPpqnFqiC5e5Lip7x053TS5cUE7NBde583bPRBCBai5rB_Ml2tJrZk0SP7NZbq_wVRJ4L9n5fjJXDhJeYzvSEYGjY30.dffNDd0KOWJTjhPQ3YT1nGw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f36a23f9dac96a';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\/5287360941?__cf_chl_rt_tk=oMm_PqGtY2hP5m85J2Z6O5t_rKCw.yExe5CjR9h.cv0-1739099443-1.0.1.1-D5sRtoLp2kRqnOoCgWR86_btq4p2Dw13WR9yEA7sRf4" + 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