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-affevy79i.mit-edu.top/post/6170389542

  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-affevy79i.mit-edu.top",cType: 'managed',cRay: '90f3751ac9e105e4',cH: '6GZny3xfPi6lPvIIbjiYT.foO76Jt9WRcQ35or7au7Q-1739099892-1.2.1.1-181MzXkNs5NyseXI1i6M99xPEoMjmUcecCDQJ1Qkpg8OmKi7bcvO6jf2ECvZHU7m',cUPMDTk: "\/post\/6170389542?__cf_chl_tk=a6cI2bWRztHvOunzRdsq3AyYxXYKi08W6Vx270t5UeE-1739099892-1.0.1.1-_wSAQqQdUKiGV.Xwz9VAnkGFTzYOUOWFqoq00Mll.FI",cFPWv: 'g',cITimeS: '1739099892',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6170389542?__cf_chl_f_tk=a6cI2bWRztHvOunzRdsq3AyYxXYKi08W6Vx270t5UeE-1739099892-1.0.1.1-_wSAQqQdUKiGV.Xwz9VAnkGFTzYOUOWFqoq00Mll.FI",md: "lhr12YWCPuUQLUojpR45N88b45W3cf9l2gn9qUd3uik-1739099892-1.2.1.1-mt5zJlX6L8RqHZbuOWxe9eXKiXb1ZmhceSKFqFRN66fkku_.JkbA7kvSvG7NI_uhlgyQOY4zhmM0u1UabstIW1JStmuGgaF8Rtd78fl6ef9wBY2qw5XGM8iuN0WJ7Oc7wUtP.J64T2Tm5CAgnsTEnBJifz7HXTq.Ofjwd3lbTsie5EusmQ21qtT0JGqLVtwB7QBYDnvKCOgQqFrBqM8ZIA4H9JTNFyfNp23jaJ0milUeWxBTjJ5BpSQcy4_t0_KWBlDFEUItDGwtHIfTY16wU5kvk4BqlEOp7pZkHVMITS69lN4JSpLdss5M5_MIb.x02tXjOUPYNnKVsTLS_sElL7qycglcDy6cPWmgIcl8BARsliV9hYgkpwXy.GzxD.5CEKlZdCrZ.4D2nZJYRQwMpP14GrvnzY57I555SoqbsgqlpjddTB574N8810F6R2Bs51Vl0kjRDX6BR7v6cK5TemyzGfy39Rs8TcTjwhr4ii6KBGUx0xlMlnJBVahrEQtb.AyMR_Y8c_APFnLEmIQGBccBtfpDvzTLXPw8aRmYSIMbg8FKEhW92tVyZ1SfScljRt9q6c6MX6XiHi6_K5y2KJEpcHwjNVSI2PNgRzM7BWfjVj4JDKV3JGpmr0q9KIC_bE6JVSPYVCkQHsV1bTso4Be.joWnVd6PoLgGpGl5gUzBNp44n5xiOapkHEH30bD5OP.nJ3l6LRKTUVrJq2Pm4BmEfGE28n0lZ8rZd5K3vcCgzKlYIctCawHLsTTyvbvRU6XpAHMLyJxeG17OOx7qBt75bF1abCb4GvRtddLgQ_3P8UIF0ypsHuZTbKuoLTUce4wCTsGp1kuqXmmMFfu89niSKXxlJyE9KxAKsNX0kimGujxWlAgEzWbIr7I.dNi79HCIUgqNEavjVj6l6e9LRnjORuc5ETYrhFamVMX_9rzSoYbAnDfVnwyTXGKgX44BQuiyR_EDuKRRFN_t6kNrOSWFJfl9lOC_8nUM.CArRQ5AVDLF9Q7QVNlvseOqkuyqk5A.lLKzH.lPyGJxaUEgc12GXgvW7dPZoy3lbO1IJRH2zZ061KSsa2CuT2BHjDWFSJ0PhT1N4symcFoMjCqjpEH20f9bxTDNyihzzZwnwaBqAqUMMjwhgiAMQ86VNIyic7_5BcMI5hCVlHYjjNr3g6_9bD3Msb2ib6KgBr6Ab_xxgSCtJk5kThjg.pFMRL_8B2s8VT4CuaHGD3shzDgP0RIdxFL8TIanU.ZUbwRTXSP1qrLSm5M5XtX5rAIEHGbZ4rtE8q1axNYha2ZuV6ESTTbLTMpFNP3oripW4CEfGxzvq3L9opYMg_xQtIodZjsQERZs3LbrCr0U26USuKAhddBa_UK0C.Q01EfwuyKKBwwBfgBtTRmJHPo5IMqrlAPwl.gyyK_NHx_cuCkUItsCRmvg2Sa4iFheyG03P5vaMDeGAWuTAEaAWDtFHFh0m5qRk5mC_jOylp0GaAcIJN16I9FBT4eiaaHmFJYW89nKv7YRZo6G5nDYvdWss5ScDkwOdgWjIAs3vaU_az4tRM3Xw2hruPxJCZFKy1Vmf6Cz5Gl1ldACqeZoo_rPe558uljJXkRyL21FaA5TH0UPQYkKVakv9mvk1oTsmI83YlxhEf.dFocR.kNNEurJnH4HeYEdfkO0oJDyb5y_sg1VAhqNqZ_grtVguPpoiD6OF2pRwL3AMgz1PSCsJtPFbjL5SIU8m2VYi41pPMBLANbo0rfgfgT5rlH8TMnboy9w9pDalQ_W7J1RSoF5FfyqhiEh3kVBpq5a1DkarlpuLTXxOcGttfkQBlc4PbM9puZxFcu36R_Dx3pRmtFeQv4wyOOEZF_S3N7Xx_97vaCKi..JqQJZKEfd2tXJiq31bD2stewDdSBV6mtKxZUg7LukW3ElyKIKiqkKLR4S4r_mltzN0xhSxmYFumSmpCxRnZGvwogLIMczOL4S_9JAdpzjE3Ae2IM7ATWHnN4vPG_OwQGVZW_UEmlKUiXUugYjFoQI4M9Mn4p7cB2a_511VxT0Uwuol_R0FdHZjRIbRjHAZm2iNdVaMxWIgquWuBRc6BiWRlx0Mn.fEuWWr19OYU.6_PN0_mAmBTKzHEWYlytmk2wfjYEjFSKmlY6PARMwWdLhI5oDxMlMvIgxNu9an0yt2LI4IStJd5G7MdNxr9lVAn1L5BLOgY9N1vkpb2ByzCsYmTgh5aV_Qng6fOayGdpGZkBzM8yk",mdrd: "ICfXmP1O.6.zdka1cFIOtBnqkUb9yWNeqm7qjXaRjdY-1739099892-1.2.1.1-vfPgHysNhtONHEEDhxRChyuQ3_jOds171y2R76RhaBUMsFbvnOu44KZiRkSjHEYtixp9udWeBcLOUbt86C9VoguVmL33ZRUGJXAne1xq1or_0_XGBXht2ouuZkAksKGSwLJo0z16Ie4PCWYz31QWSgVaH0PQ0A2NtpxMBjQP4sdNu_keUJY9tplNWBdvxPpgyUgt10HXDVo59Cg1Unn5ajyHmsho.Ewvqn5zhu6PSCDFECcSSelNKdXHnEAyLRhl4tQ05FcuO4_fSlp6HnkAx_kw6Eb0jHo1hTlYCX4ZZ6hnzfBwonmmXyCzKMI2ZGL33QjSg0DzVePyrPtCpla3wdKaUMtLn3H35dqiUx4T4ryoLEbXA2gM7cNJB.Cy4ztER4jPwiKQzY8Dc8UImDPsrwb_EAmibtpT6NcNR32c5lhqfDYoVrHvxSIzJysN_zCqxKGXcj19g6rj9gXaQUPOHhzRf.5A9QQGDaZgeF9R00zgvRq2g6lUmTUeU3tHyTUBdKmbL.Y9fW1pJJ_ZeVuI5u58c6O_oIXSdG3DtzOty1F6cWhlLxF8kAyy1DAhZEfPP32ZWm8Qbdo65hsDIJ4bMMuBOl5P9IN0H6CKpAjBXkY3aPs3KGUre1PmWdnzwr1a0BvkoKoLe.IvdnMFHH6hLu044s.2i3QpgezRmbDnHcdywFc6O1NPL7vFCi4i_M_A4dHSFXd8gKB1h0BCtrHoLND85Q9PenYCiNK_aOVJ7qSmkb1jlFmt8JApoih3b9eSRksChLKgPKOvc0NXapT5Q.zzj9KHV0aX0Wn5Cva8So4zZTSHDcV9eSzmgEaZ11l4KnnHrH271er2Uq2Dl4_4HWDWSKNFXv3ec3c0fIofcQP1Vvbt0SJDwGKxK5kwRFwczsNVTwyJ0oaPdhO2Tw2VWRLzHHDrhF1ij47RJgbTyHxOxCk91dHqvQzZC4Uk74lXfxDZBmJhsHZA.BK1uXH.c33DsEBTJv0zDUzYd92q38jVcO4bJQiHVputJoj9Lz.lPSZWQbF2snCRPGjV9HgpM3LegFmVePId2atOfgsBdkD.ZMl7i0PbxEzJ1l68TFLmii4d4BjxoLmmtNCFOjqqtUAh39c8RFh8Rh2BI_NJe3eanZdA_Wi_fY7C4kbpXI0usxIrcmf_FGKi3rke8jVhTcr8yDAYNNdhDm5Aaw8TLuB986FB0ryXu9MHgKYq17n8kLIrTDx8XJVqYh8fUWw8Qn3Etkp0XU7qNWC99cvW2oNen1bMHTO6sHOaXTrTIl8dGrKVqB.qYt0X5yF__8gxpvhc.WsAZrfPazUt9ZgbEwtIMgnHPt3WLJF0.8MiSGSYTav5Ol5jB9lblKKnAc5ylaQBHTI.Kfch05Icke63p9J7spndudRST3P_Egor8A4ZCqNuuX_9f4SCCyUtUGOuhXQ.nW.4bsyHe5SBz2CMHLHXAIpJ.wD4hryP87F4.YSG4FpcxhLJYWhbRNmF4Dp0fMth0_KlbsUp0jEmeLcDrPBVIIQHLUigto2jcjAMLCExh66CvtgP5A__YY168HR2dq_51FiZM0kH7iFw77rZEv3B1FWIVLTgBSZrWxvaOqKb5tyNA.Di3MkTvLFHBXYr9pPb0lwNJ5w7vHrY1rcJ8dU5LzYIr9YLKG4AD3255a7u_W5ccifEcwISzhxbcXwqKfUUdVnGEZ9z_K._vbDTQh4FFa54ZB.YGMd9cw_YMdp.m.oVqHK86C8upLo_ZUJLe_LHpQmba0L7LJUsOGkZLNcrFt23_DwZSLRyrFwc191Bz8zSLRRq5pxaQZFm0Q4z6Q"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3751ac9e105e4';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\/6170389542?__cf_chl_rt_tk=a6cI2bWRztHvOunzRdsq3AyYxXYKi08W6Vx270t5UeE-1739099892-1.0.1.1-_wSAQqQdUKiGV.Xwz9VAnkGFTzYOUOWFqoq00Mll.FI" + 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