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-afft479o8.mit-edu.top/post/2789406351

  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-afft479o8.mit-edu.top",cType: 'managed',cRay: '910fe4d49d2c3afc',cH: '8jQ9H4oxxCo_8AL6gaD8b.3AUoRkun3Y6sI6ZPK.11U-1739398070-1.2.1.1-ZEClnjLQlUMqnxgnIdIMaA0xusLu5KbuU1K1KwYJdcly0cggUVpnRD.ATLpjqw5R',cUPMDTk: "\/post\/2789406351?__cf_chl_tk=M_qcZzEAPDf5BtDiEak9T32szN201X7b6iHTQkCQy6c-1739398070-1.0.1.1-GvITpR2bJjEzAAd7fQpVAqEbyHlY9GoVgOtEkHQPGkg",cFPWv: 'b',cITimeS: '1739398070',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2789406351?__cf_chl_f_tk=M_qcZzEAPDf5BtDiEak9T32szN201X7b6iHTQkCQy6c-1739398070-1.0.1.1-GvITpR2bJjEzAAd7fQpVAqEbyHlY9GoVgOtEkHQPGkg",md: "2OWyi5v0HC9KOWdAnN0O.TsojRs11w2Fqhjz0Gq5dIM-1739398070-1.2.1.1-cGRxmlcCWXoFr1a0GbTfcDAzT2wL7yKU.mc99400VUPAFw2YhC3tVeTTvuI470vkUGBn_y1lBNXqfAkCh9MzzKsKM.6mjNiG9eQzNIc_6yjvSAzHfHLHfTKWhswfp2SqEIsls1ruxUaFHuyQzTC1hEi5SbhW9lH9cJ5UQUjheXMB4Uin69XA2k_kKEKM8jJX_cSrBYoXgZzM8eOfRqVeyDmmP8DxLoIYMVyJbhS5EB1mHvJZzKK2QdRq_xBdQAxOZXzl1DLTqIYPvmXyq2R.QEbDut5nS3SL.KFnE_j8Pr0xrTIbV_CXpVfM8oUzVFqWFvG.Jvflz62sRb6HF6Iz6wqHUqQfsaxai9QRBhoRf8nkYExViPLOA1veAJyyAFguotI4gHLhTCNsrKltpwLewPPLOJUDA1vmlLytePy.GrxAz4K_9ca80JGmxkpyhmthNVccgHYt5zW4yRqyoD4YrlEswynB9ysDed3awGzLC5FmF3vbH9XZvcOWwhxnmxyCateUIvHYGMXZa1Sn0ANvPTrJt97WZLnOH9R7C6kDMYDHa.onRI1IZaKuBHqX6qUofdcw2bXx6fa6Sp.pgf9nRJgbyHaL9C9qTtemDG02mpyLaMEtlq4aB2WgvsXQPW879LRnQKjqO0R3LX7E.0.p0XS5ObNESZF70.UtwYxWz8oOJ3SPM62AeK3n33k5nHlfPiUge1sDVxiiBTn2iELhYYTuhYbgo_D9ObwjqtwXDX014scAjq9oI1x5ayESBfs7WoUcBkEmy2Kz6mmrd9wUJf5IzMgLlkpBiKWcgTXd7EEa_4wROWE990HTRrHu44HvPFHd82cifiQQxhCXo1489sczZ.7Sh6nanM2vD.Ub_G1haKOt41Z7kHX70BWpfG2yGDrHeU_j4TrRnlV4o4Hw4VdKdzQJVvPf9y8fi58e7LiHxLutEG0kt2.R1F8lB.pX.lEFZg1WV.7oQQdhlCIEMXSkyjVfisrthPojtgfuJlSvkGLN5vINCaspNYfwcipr.3nvkC2BI.FTbuETzbopS.I8TS2zGH17EKl.lljwasiFa1tyACBiVMOORLYDoWzh6Myz0gYuPX_27ZOYjf8k87uA42z2fxNprDje.r0945BpuBxYGIVy_0C6iCxB2geLdecTIXvYbKRNOAh_9uTLdldxzjGpUVq_4IT.tdCl4PFN6KXxchZnEGuEZYWd.kKAZ4bsEwHUbNsG7VOllikgJYiocevyme8LDVDm7E0.M1DAYMJpT.gjGN5F2_3PrfS6ZTvxV.pWiauZhToxY15emKUAlom5jdjzL2umRPBbf6_a7EocjIiBS_n4pVmlrR_zFbd8oRA0Cy0KJiiiVfZ2hwa9k3Dv3K0wwK.yv2.QEhfENmXjCz2FF8DNkz9TH6vyphcJMIACImhzl_t6HqqmYtmd9RIynkrTL9i_CrHebuIDUpx.nWXUkMkd6_v7m5vvxkPxiUKvXp5XYdGRJc1TlW806fFpc7zTvmb90ZBuSz1D9q9RdMVHpgQNNJLfUWkIWvxt5Heh42b7Cv3m4kVnwlzURn4RxvfYpxisIswbvEdsSMmDq2VtT9VHUUVGt_24qWHqwTpol1oG70e9Ez90c1hpJDReqP0gIKk8XIlRbwSBfw9tCrSe9uVJTjq6aRXRriKT5INRxeQ12lquXfg6znT3GUFJLjc8hrqkubIAS2urx61P7RPnpjpxr3hXbUkDeDLdT3Ka8AdnWs6YlZCAEXJZrcrjewpc0uBRLE131lvDl6LYfXfgoz5IUVc9Gb1gDvfrlrNG86HRaq4rKIMbHuNpLywaWWcTvM454cEP_agbcSRXkTlEtSg0FWD3_tBd0wymZmbdp3JHfKZ4PQHCXSWFmF6z5ZYB7Bh5aiv5.o63IKHG.rXFCBrkQVIUw4F4ZUI1l_VYNsyr4tLFMAFtt2Vs.b77WPTQeAuFbdaMlfKSsrWqOz1uPM9TVTZ0qoAwqEGeQsrjxbdNFLBomBAqj1qmrpOlE5uiyZ.42Iu73_W7z6oOYjCOdJtT2lIctKAkghsEN5WR88Q.ZiIk_OZbL4PQxmqRqyRCwSmEvTjKtFNBivGhgzCnjpUucbvDQfZejYR4sdPsNMOktWr2nz9Rk1vDWgQ1u7J.a9ILJohpDPdalOI7zYhJHDDs7ChzYM5f_dDthgpaW9W_9i4Tp.MXIDOusBUAsFrOZpEceJiT7b_vxhZedgf0C62UN392Ron1",mdrd: "GbbE7SHpodh9j5T8u2Fr8eqRxqAxiFwBcjYmmublt_s-1739398070-1.2.1.1-riNa6qeAsiRVjaPnTj5XWBAFsH876sah.tIPWuO0kIQvWHqQHjcxHfwM1xlmN.EojCtB0M.XvreaCFypY7G.knIngpXTi6wrGjN8uTGvYBDy8GD7j8.q0qj7tG7LyCjmGCF1efYOqecyEF4KGX8C4W0.sPmn28Z6u6iqZFLcjjs39m_7hneVgRaaZoHMrknmwUyFT_RqP9oPvnzhR_9FIn0hdGD6hzaBk7m0yi_mA8QLAoC0DHK3M1omPdS9OXrqfLHCE2c_gbL8nu_KWzMwKEBeuHZSXAiVtuSpq2d6d6cL9AN93krdMa0nz_RfT5895chl_y_Jfcsrrg4kz9Jp8KQd0Tkksqb7kw5luRz23hvJ_IZuCEsS9rOueQdF2n9cpUEQ.kKfvkE8V9cmyVIMpflPh2EbbpnD.xZoF8gd74QdVUF5FexGaoewMxTI6pgRWI2NELj8NUx.zItEJJ9RmIfdluyGD7YfZjocQqME01LVjlikJFkEODATYShyrW0KiWgra_QCn4Li3DF.1QywaBpR4Ul0iB9PcgYWf4Qw.6qxyh8ePuwDfZ5Tez_BTgLV3tOXIXRBQNUnuK53xhqH9lm_PzK5uP0bWx_9O2Pk1.jZdwOkr3asNW21Aw9stFPq8k5vq68XKgz1GKFnWgfMj4vlASp1NJiDZ0se511CWb042FOLxZFJtiZzX3LHxlZISzBN7ceuIjrrf4HNTsNBUOFZPZqfCVyN6HdjaMfNp_z.tpEJ98POxkXSDhVwXKzVL5Y_FSihyZSxZtbNSSzqiEkFuMgrcbGcFufYrXUwCfSzdYWcJGLdchwnpR4zJPV1pXViOznUNDh4IwEat96IY6Swv26_r7lcnZqgjNZi6tOJb5uLu_YVJiVnLTPM2s0rjTSfyF5yAlV35V4SuvPtWaLlx7dstDYzrp_t0vy2TGpRyQ..2PmytMJ1_Xeb_d3Vxfgy9FrI0Thi9h9_LCnc2KIerp8GAQ.LsdmnkT1jHjHdCnCauIBPJvLTX0bLKZS.e7ogynTmgnV9BjDz1z99B6qNauZLbkGDi_84ajoJVVah4HfnavdYRFItE3xnoAsik7h0Yln505z9DurgEDH2Q.Iion._eGg_ufHNAWh8ooy_Zx8MlhJZ04ZO3u_lkZMTaL8Oqf3ZtJYOQiB0mkveJQCHLvdg_8I0h9QYyBjYtY3cnTGGIP3drO7XEaYOLkAvQBWR0jX1qTEYLyiUEOTmZqpou6rAapqGy8ORYC8IKNRElPMABUylFO3wpaFNF_Nwv0tbfUewolbpZIAPy.Bl94HKER3w.DL72.bVAWle0L2TwH5I_SR.cRryttpn6mmQs4vmeYJM7OXvC1lzVZV7_5l12FTybmI2XQR3InsRZCUnrzEzkfMSRKl6pa6qO58M6Q4ctwg3KtNRqjPIbc.ycj7EtzQL7E0hpaIHpcYLn.NPU98VYLmKZIX1gNaDI.yNVmN86IfpIQrUgk007T_FiVKN2KB1fPRnOTMSO2NYLuEy2jNneC4QzQ2OStL2V8HF0UWOm2uBBmrLpEEAZCq01Z0PiLMdAEUhukDZcJY2aV0czMZnNLHuhDiHcDtM2h1gYSjlTKy9k3AhbgTu6Yce3Alytao4.ytprnXyP4yzxkiHUCOOtg.fnXWEPgvXo.27JwGBazpvTEYzRDgUUs5e1Uy4RBVELwIPZKmkzcuZqAYFsTjw5n29rHKbpiTL8OWySsZES33hDfEc.vJovUrTDpuFudBiT6zARD233nV_eRP4gXd5v9LnRvNHbclbmR9C9NcI6xC9q_R.CS8mrV0apw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910fe4d49d2c3afc';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\/2789406351?__cf_chl_rt_tk=M_qcZzEAPDf5BtDiEak9T32szN201X7b6iHTQkCQy6c-1739398070-1.0.1.1-GvITpR2bJjEzAAd7fQpVAqEbyHlY9GoVgOtEkHQPGkg" + 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