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-221687929199.mit-edu.top/post/2184950367

  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-221687929199.mit-edu.top",cType: 'managed',cRay: '90f74fb33c235818',cH: 'ouqyCt9kZrb2qMrAbQnimCXiXOGd6N0EDqLYDz7B_8U-1739140303-1.2.1.1-GOSZ0IgS5.nHPYNw0788VW3EPTESakcMHyPLbS4PZokTv4difEhk5fDMLD1.5PLv',cUPMDTk: "\/post\/2184950367?__cf_chl_tk=H_eb5nDYe8bQh0gn76GQI3oJ56G6h_p9xZIyM39yVjU-1739140303-1.0.1.1-F3KIAESYj4xh8O8ko0rvB2ViSuj_JIIwqpPvvCfoJ6I",cFPWv: 'g',cITimeS: '1739140303',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2184950367?__cf_chl_f_tk=H_eb5nDYe8bQh0gn76GQI3oJ56G6h_p9xZIyM39yVjU-1739140303-1.0.1.1-F3KIAESYj4xh8O8ko0rvB2ViSuj_JIIwqpPvvCfoJ6I",md: "7Yy8E4exKwc0DItB.5cQH6iApNjLmPAs_B9tUUU86M8-1739140303-1.2.1.1-o0yr2UI1CdOR4V1.KA22hnQs8gGFcLqTcHdNtcUWCHlD7ICRSt1D6XoMxJ.pmfU6YZcJkWAWXRTSbuHyyIDu7cmvw2G_wLcUXaqNVgSx.DnriqidMP81Yyrz8xCpyiX81Yj4fn37P9x1xCoGDruzXZgO1r3jaM1t3hYut1n2d6rSiB45.bnDbFJSa28X81iw5eKhJlMK9VLwbIw9dCiY1WY5tHI9_l8J.XcFNo1AuwtIG.DjuSIb.DOGFBVnwt8Lr.KH3qWIdfEx1dzUtjBsSYgk7vpE3eTt7fhwAKausOhz1N81dFM42v2D8wJxP.bdvPmZqxDE6xRL8AVBUHAq_i0x6dRQ6XhnR7uB5qO8mydrUouiLVUmCf2bVrpBpZY4E1AvgGyyHGhOscueod.UGNt8W.gUgpPsbF4fXSAR5NuOsCCNv0or21ATkci1F7K5NLefk0BfYYu6Zskm_zf01AewtYIycC0WlHlD8oq5ZfF3c4MUV3BjWgB4oP4K6QSgff4b22GMbwCDnS8HVOFSNeu40myvIKEgk_n1sSNnr5RKY3NmgtlZ23LANNZkLBFM9UFBWTl6zPh_CGIRhd87fJupJ6TSfmZ49jWIXUzwHSIJpaaXRLVnZl0.uCZml_s82m4VqvUrBaObqHtwpD2PWts4vWCKe05zXnua9iCo162tIH32XoItCnrnlDCYTXRY8qXxLjJvEOKkHduyqNOLAfpfuONnxvccuojIa7T9MeeXGEgHmzl2dJCV.dr8glQO6B9.qSWmzBqx5HgJo6wLhwBFxQ7sJpw.n0yC2IVcdq_Tz71xfq9aSkk0l49WhfOGxICBXpqtke9bUk6Nfp2i9sIraV3BM53d1TKKw.a21TygkE7ZhpiTa4ggHgsDp41CUrQA11TohTb2A9k7SXC63C5M2kSy95ASFmSPtztz1lWQ6uHyOkkxAf7fS.FLR539g2Fe0HZDmZIzouEfAw8_2nnnBBUVB7o.mGjDgUK_uTtBLBeeHw9y93sOvY3jzOECBwOpbW.FEPjyp3gmdqdu15eMgKY19.1OKiOv94jPmUPPi0TC15N3DyvT74taErYbLoDh0qsxS3flsrg5utmlJcRDxw9l1fjVq5x.BDnfE3O43V54v8SWvi7ItAfQ07p55ouF4DvnRTUwCYKubTo7DBb_gVqAjWW3jOhkfqeIfGPI4m1fljYeqzzhNizBTjneQmg38xFLm0G2Burob3AaWLJBkF5BMK3q9GB67V0C0cnOrM0WN.GsFD.TBBlOygUNltOR9dcxG_1f1BRD5SyYErhJXeuKSTUGqS3_PtKgrErLy4N06sP.u20umScQ5jKfmtcyQDBbVCwmT1v2h2RXfJoDbf3taKGgafPpB65QfsorD9UBaocftZNPkeX40U2kVq1spdrlfDkf8v4cSKgPJ8SFmxWfH0EEPvhPjWykDCnACfDrUUUMiuo2D2_vwH_Gd8yDOc7GswHHWq8nie3Lbuxs.qazDMYZLSt07kkDLS8rvLYPAu_CCgkNi8p7Fw1K.kj37rN9imBybtXbU5udYLWjPj64AmROrVFuh3XgPICbawv.8iRWV7Krw4rnIRdD2HEE3k2GXDDE5Dtp.qnq_9u_eTBcFLgFnJUtE5iR1S6fba8po.az.niumoSF.deelAVh9.nKd2ifvd8U5RaFHYM2F1zxLMlsbseQXpHBIQGvZGpKtJYTfOALMNU9j7sBSSys.TuaP33Y2yf9v9b6qNfJck.YH1cfR_G.v7OpsLdanRCUZRTsgrHFMx4XRtxVJ2DGZUpqQhIKsHJYai5jgfjBu9jNulOpsXmOFcq2vzyR_rxol58TEQW7F5pFfq.sUCyJOlKfA.4SYNiq3CXx.pyHk2efQvzLEpzCH_7m9oEdVVuNexpRNTp_lg8vhzVYQdQa3GCUjgDZSIfl9IXxbrzIjTzjZrsPceMKVodHyVx_cZHTt7IqJCaYMFITaObQo352zJl.z.xFtwveSvxWncFuR8pGRB9epCuVzxtjtP0VaL80nfzU4hGGh525se1d_hKgVy4V2LvdKUQ9_zgU08Nkfa0RrSHfxJ6c1ysYyHkI0g7NldnWttqpavsklVbG2CWS_brSnTI1l.XU6Snh1yHGY.wRGiS5Vg7PERllBtoZUd_3qXFOFj5ljw8sXjzFonGUrFBjqzyRoiguEjdYeVV9gUyisJZacX45XfVjl..hmQyjCJjYshZOH_d7WSPZ",mdrd: "kTKrZC665r.3wXCro.LB3mqF.YX0xFbikufrEVSHQpw-1739140303-1.2.1.1-Oz0ZVnkBLRDNYlWNehV.KTmKxTUmGOJEqzyKT5iC39jWZyPhQiKZh8Ev6HS9Ng5eDR.ytvDk7e._MD2xEnl.tyHdpFGdOkeiEpsJZ72r1JTDQ9ePGeW42RVt56alPIQRuSWntUKogPRwSJ1JjPZZ51nqX305L5PaJDmlK8JVzqd3Jbmh2wpebx.lWRxPEr0PtwtCVJXhcDbE2AGwL7K9DcNzFGlNTiVfwGM1d4GWR.2X3BHDynHxhmPC2lxtv.N1epNlGmqbMDIN16SSIaokpiL6kpYY579eArmbdpp3K_wHuTRMFzniAg48YhL7PGvU.u7TETU8vjzPIgep3IPsoVshNdY1ixFR1U0NZyl8ApdtDrLhiFxRHLUJtJufXI55lo7DLFo403l1x6.mkwXl_sUtwQwdobIhUcXzZzyKKP5hSBY51E21pSI5D.LzpWa2xb6Ug3qR60ci2nvqMpY3BO9eS0q0EzA08g8V_v2dig9nOCUfcMnj_xp2FuoRbwYnW0HjlrAoEljSKLLdyQtsDXgWrlyEvomRaQ3PU9bZiat2BgXREiMNelM.tv0rwt3mbVVVFc_kv_Rga2Rx19MKvPREe.ZwdtrTV_wG1gdDprmuVmt1bHLCryVf.BVTM7SeEzojNkjKbHzuLVUXWcKNnXO.4v59JuElD9QXKzUx0IZcFmZiN2g2vr9KxwLO945MOTIgYiZWJdsh5vjJ.1ayqV5ohCXs38QmZKE_8x9UOfxYK9Fjlk3JtiRH1GGfOm9ggxvRvpQi17XcCC1H_tkz9mXwfQeQEhNPAe1qLjkfxMQNQbte3iH.aHEpjKlmi3P6XIPNZ5uysvuCliYtcU4gGmiLrHRCpEaGt2iW53RM.WkBvlBK5y33Tr5CMB7R8vhboVjpYwAWbuGyAYeNzhO5N8JcfYEowcGj1KboPGLSA5pwJ6XkKOJJXEz7UN5NJ6M7ydUeNX_EEnyF6GLyxQ6bT62KN1ERc3D9RljERAGFsDwEov69DOFXFlHwGrw3iLta3K.q33YvP4_qUA.LHso8JQqQTjNRaQYXbXWL8KfM5qjGIyHxst4PWFDPVFEwAfbj8lxJIMvL7JNOHb.yqGFD679yU.jrYMvyFEFWvib.zg89_AIBiZyLcc2bmwuuNdt7JH1W0oyMd5hZu6EgFX4gfPHdhAK3QdaxhPFG1_S4LQGHTGHRhvKjnsbZGxBR01Zs4gb2Wo776eJYmWObuweogCr56hxEx.B5hI2jA_G5EL0mwDk1NWmfjCTaolN_wIZSeZDVpT8VOVVi7JyG3iq7iih3L5qERWjzIIrtyFadmWBKmF91.yuhlMQ0h4NHKgcoAkM_Ccu2tOxNjQhq7mBnTmQ0rfdP9OykcKosQH7R.eqjObLMHV3vCM8ZasjdJ3p1cbDaF6EyxNBBogyn1DxU1t4gzoIfITfMFGbKa26FDsXyAaHexnjg7ENHQp3iMBVgkiyyb47aBF4x.DXeGOIDVbc.nTab5TbbdbzWMcgaMPHGVzxCPeKZBMcvps3MK3tjNmQ5X2s4wHQm_XQ1uLJp.ADAXmVkVJFelvvz06lHxZBMjxZRRomRHfu2sFpkgXOqrC9xWYDhAjk_vsk7qqNuKJjIk8w5ZDdDgTr2MY9jEoU7UuOv90DCTVwAWqe_aUSfTMXmqFhcgm76.i8rULfUbOK.e.coN9pChBRrxaGG78G73h7UT17DzEKtS4uQetJNsxUu7_pTRguxm3dXRsjUewDyGexnpI5xBhmojvCBk1eJWGJEedXkiRUeomHaprEaOOXlyWzQURtdwB587gUjHPSEBrochEGZKSki_xY6bc4"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f74fb33c235818';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\/2184950367?__cf_chl_rt_tk=H_eb5nDYe8bQh0gn76GQI3oJ56G6h_p9xZIyM39yVjU-1739140303-1.0.1.1-F3KIAESYj4xh8O8ko0rvB2ViSuj_JIIwqpPvvCfoJ6I" + 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