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-afflpisvf.mit-edu.top/post/4528610937

  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-afflpisvf.mit-edu.top",cType: 'managed',cRay: '90f81c20ad495a27',cH: '3x_uQUbQ7tiyTwYuzinkInVwquvXNGe6g6QeyuZLMtg-1739148677-1.2.1.1-WAa_74DxMpnuLSuYqP3xDra2jsWz6QZh1h8ZHSVaSOqHbq_whWH2UlhX13YvG9.t',cUPMDTk: "\/post\/4528610937?__cf_chl_tk=DHEnFAdhvzk4r8aLszYjRrFtVauRzQ6ZevbdBY8RvWc-1739148677-1.0.1.1-bXAQV5oIHqvBr1G0tHzCajyiaqgPKDxkpa9tF6MaEy8",cFPWv: 'g',cITimeS: '1739148677',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4528610937?__cf_chl_f_tk=DHEnFAdhvzk4r8aLszYjRrFtVauRzQ6ZevbdBY8RvWc-1739148677-1.0.1.1-bXAQV5oIHqvBr1G0tHzCajyiaqgPKDxkpa9tF6MaEy8",md: "9zf5DI0RcY1kcw9f8_PRLUMrcZkGsT9ZZCX67vf2el4-1739148677-1.2.1.1-qudcq3MsREuVzXFQfUMGEbwi4ERxMywLtpesIUmYPN2N4Ihpnlgz_ac8S5snJ9NPH3j9NQLe494oIkT9lpICm28cdRG7awEKoVDeOYpQhfLuc9yWRZu3RJPs6.iBsfVriHRa8Pi.uq3v.nvpJx6Ivnsi3j0S5uT0fn.tse9SA0qNM6n3NYQvz_n.nqgziprbADTL3UuktBv_LkRoA6.P05RroXAfIzWyB6tNE0nQ97_q.dRW9B04oNtLwFhc2LQ82QUu.ObODiTIbzfhAMb9zB6JvZHuVLbXQyzCsdQz_dHgAqYoyhZaMnDjOXLJvBXkySI.kXKQd.bLsN9rZVgpmewAZoE38AfES6b5b7p1Og0QZu1obsK5yY2gSU_LB2Z6P7DGgECLoOEbXGJryhlkqtK3e3B8toiqmHY7m7DZd2ThLOMVTdQdiGGLdNEE3v7n_pci7EPyNawSqrjrsi_95OkiJLAQcKQSZhTkx_302V3ufEQ0VVdcmgV7iCuBg3mQvdvMLBjdMf4eYWpHoiMJ3wRy1_txCx5aIS8qW.IUrG9BxfEHJmjY7N84Fbe3gjsu2D2daCGeNpGRCe1s8INFPtPcpCbqSMvK_8.8EXVkqfGefjEB4LaOOONNu1qCBOATDfVyaPg4XACojlB8JDaIbMZGgg3sAQDwiQg3r8OcXXzweREfrlgZuImSeyforBZWaXLX4oURYb4rZiqpOkVzjf.7kmQWWYVWNOVhADBXomuBY.uWXB8sYwIS1eCmjcO7w21k3RXsNJnWdjkIoBd_qpY1YE0_yNkfZ9vs6PhuEq42Xo1cAQOjuSF6bRMxv8D51Ndqp1dz.Y.ey7YMCgIdzuUwkXGRhcDt83FjxzVf_l_DsDlBw_FmxQyY5Xnel8NM7qD3_KvTLi5zb6V7Fb1o2DFXGx3LA0HcYDeXXOxgHRb9f.4itCkgMkHEvn2igv5fq.H3PUk0sLv4_jGkApwQPDG_MQ6NOmvlxgGs7vgHUyH4.K0h5GCSsgLaXQ5H6oED6T90Brxmxg_jBHNR6e0o1D7lmwHcpzOuKYtoQ8QNq2tiywJWwe0.Y9D1zB5W9P2BKU9lGIRhek8yJacz0tDNAONGMkdRk89PvCJP_AZzoynB8hhGKEcPzdIe16HBkNuz9FMp2IXl0DgTWubgSclfA9IO6zXy1SCwdl0uyZ0iMCPcrze_v6sIfOOV.w3OR0tIFHjr72NTSI0JtPLLV1dw_qRzGq0SuBSosyMCAmA..DN39SATwM9o3myPk3WLam1cALzQrG1l.XWofsl9LktO1sF3fvT0Yj9JcXiRzHWmVj7VEgHcePMBIZ3Rj7wf0tlmyrocKaPo7wzzw6PtdNxFT_t_cB2CPdGGB72LaosQRq6yDA1qr1P.Abq0OTlvsdFz0TryICa2L6Z2lPoX_rTQJxEtxp3rLq8KfQsuIgblQExNAAFHEIaqaMsq6MfWh9AJOY3ZDLwtpD35TaxM3jCIluWEHdgIoVDObFZAgad7HsG1wd2nk9fnTBgyjiYw5I7NhByaR7TA7CfoCz9JoMOIsXFvHz8MizN_kZH8kkiyeYOjPZDsbXj5yAK_DE3GXbCe1oupymLCo1UxQGOn4XiBCGFeLBvAbj6HCxjaMGIeojw0nkv88H2IHG1mlZtcTSATjeZ7ZZNmxcG0prWe9NhxP5MHnhriPOkevCPdMtxN68m5Q3Qfa5Y2jX0ekQlHQ5SU8VPQ19bmxwaiRyGyY561_iJviaee171_yIEga7Fs3o1i1XOkVEtmLgrCTZD6SbD7xjdd5s6FE.nAa8oqrHLsv_CF9F6qpa19c8JtHslnYsQxQ6NqXv.0I28CTO3xwFCsdlpAB92Keb3LUJ3NO_qmw..zeClOayf2oXCB0jeAmPz7xPBN3SjsEdHpin2_3fN9hV0PwpNeZWlRDxnmifIWCUmy28Es_t7fgNBmOV1wRDqGgzykxJ1SyFiJPTalozfo8lIm2jpId_V68FG.WGRIrRUd3YV5FQFZVayVkKs7NMaO2qTLZx7wpYrx3ud25OQBZawgTf7zQiYXRR_yftJRg_BtMWwJ72vEP15RQg5WTBqL8WgVMrqfwvJ7QPPpvRDvspfTM4frkPNF_1vTW6Wcw._nHduBeAQJZEiLKhXbrgCeIGllQmHaaRgBYyo_GCvvOhRvUUiEOj9wSUWOvX64KR3f8ckthkd.paLhQDAcwxpSDhGJdtZSpbC4u6Aao.cP",mdrd: "8Boj.hdP47XrifChOxVIdHVqq3GIY07iuNMtM.tqubs-1739148677-1.2.1.1-bzpqfuW8KUxupzYQpAmxgbnbMmrnNVtBVsBIdwW3.bQAGmrTx4ITZwl8yNG7Pv6CTse_r_CNd20PNFNRChoVhWmCjvsyGzyS5p5wOZm9jYKATSvoVip2m9gNiWykJwNuLr0xkEAo7CKlnJYvoqsH4GgeXEs___ZJTzbbgzFMuFp15NxGUmK1nIG0ruLRECj2nAIArMQZGrK2TiqXnvcW0eXIdbBbUCD3kbRDUtuTupNbTY.iblRK4rlCU8zmDPlP_EQyTxP0Za7ncfjBK9Q9mD_yjp3kwTKE8I4ZpKQciSWnPmrpGaiYWP44JTe8wq3gSRiRdyIvh1pgtTZovKXhYHoU1I0VYnZe247hAKTpFjJP_jkFvEZ.YGpE0Nf3heIasqjRDeeFOaOzIREwPr3A1j2X583_QIdmRcoxQusUn_Sia81.XQP9QtdzxcdBQwmsFS3sAflWHbU1N4cYHACMSVbcMRCz9fQ5R1sCNDNNGV8dRzWITwb_hQgxTRqEMnUoECkJT0poAIlKItV_iFrj83mMrOHSMh5IqHjBYDUISAiEgqirVy27k9x35Z1ohCmFJNlIQFBcue7.GECF2NNccTwq12iMxMxUeKmYndd7DxYpc.g.nNRh25hlpZz8MYtDuK_Hw1q3Cv3xpT_DUliHd7.UVrkks9jQ9w68pRwxwpbhS2m_pEqSl5QjZ6pVCIulWlkWHXCkxS38qH2Ndlu_i3ycBmynTgsLiM7RGy.Wq0Lgbhbc3tgrHscUnT8OzbGz8DCeWxhmWL2Fb9FQ0Vt8y36H6NW03FmziUG3Ixm3P_xd8xR7Lxa5iVbnru1l3QU9l7FlsZwT0jksnsuqRqJ6BYvrOmkoDMd3Q2zDhtmw3rfjJ2Tk8PgH._klGrn7aW1vFRxtmwWySTwV858kwY_Ypgq9DBcGlrONNAfo9YJlcQGFl4P1FZjWBr6gP9YPDbT_IR8W5LFksR8pYBU1qBvQB02k7rmpnlgYjF3.njsRV0sNEL3hCWe_o.lcBT.r2C.HFvxHQ8WswzbErdu1nzz.GMtZPXTUhXUkokLS6oRZYP.13cPlptIKRx6f.YdYYe.bQ8fiNPcnZ.KKE9N4RM1b0JG88e9XYmCy_d6G.Tp6hIJ2sJdLtw.Hd6a_DLu9m._.KerH2KDcg3.8hTAWRhlcvP5JV2FNtdNKbpYh9aoJu6IWSiWDlw3oSgOTttIFYw7dfoviub7umrX0Xw.sWXYjQhOTmIUOBtdGSKV3nF0cQ.4TxtB8DcK8eA.MdS1knFWAzX.0SOYOGgdSs2dFccuosdYy18q1XIxnGw5.ZmUHn.EnCqRCOv_DX5fmOqTVq1Fs3i1qfV8kwOm3Kyki1Uz4ZVqKC3pLqXojz8O63LXu8BLSpUg6EYl_4d2v8Tb2iHhlZZHw3x4jlnzxrXqJQm31xjPCiaskGfQz9YWHzE3OmsWe3Ig6yZ36iB62fE7Eikz7dPsh0vkZSAZDkQa1aruellRu8TQDqCugzBAC_JteV0fDYXdC8QlPF8pQpquI.ZytNyy08KIeXwLTxPpmSsod89XS7k2cbbIxZ_391MPw.rOIaXhjo_GBx3ZJWvfY8JtiOt8t7dInpZ84AWCxoMTBy4I4vdAMnNCF23oQGdf0trlzG89_QQ0iFT_Wb8CJBcdUCU5zhH_82WM3GDGIeBh_F2bc9ONREP3HPyMmkGGYHdjZBIpQFV5GByL282se2Z8CoRkWID2o57pAA7De5wCoRCjQ7e3vwY1kAsQ2pmJgmkYnCAYK7YtAtWzgpJP_T9fPHLt54M4b5yT.QR3E1TsB1b2uDzPCHgCvD90CugSg8_Y"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f81c20ad495a27';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\/4528610937?__cf_chl_rt_tk=DHEnFAdhvzk4r8aLszYjRrFtVauRzQ6ZevbdBY8RvWc-1739148677-1.0.1.1-bXAQV5oIHqvBr1G0tHzCajyiaqgPKDxkpa9tF6MaEy8" + 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