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-affqrqt9a.mit-edu.top/post/3678925401

  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-affqrqt9a.mit-edu.top",cType: 'managed',cRay: '90f82a6d2f66c97c',cH: 'KLq.W8mvpMNcCK02qaVSxIi2yxFkqxWbEGZSHT71flM-1739149262-1.2.1.1-x__hpQFKqTeumoSgFQ10XXaWX6vkAXhyr3ZZUHh2qxyhqBsrpWfvW42WoJ_8jn9P',cUPMDTk: "\/post\/3678925401?__cf_chl_tk=XMZTW.zugpf4W_A_o3tRkwNtzzg22kjDfKPfcnT_CP0-1739149262-1.0.1.1-8jPaYHbQ85LOknxx5YBO4iYW8hFhzL14A1sHASHL7Gg",cFPWv: 'g',cITimeS: '1739149262',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3678925401?__cf_chl_f_tk=XMZTW.zugpf4W_A_o3tRkwNtzzg22kjDfKPfcnT_CP0-1739149262-1.0.1.1-8jPaYHbQ85LOknxx5YBO4iYW8hFhzL14A1sHASHL7Gg",md: "l4EXjG45Lx90TVMda.ke6HH6UP1E4mt0oxJY98IDjJk-1739149262-1.2.1.1-vAxsQRGBdDDaj_YdAwbTXukSk4qyNfJraJGknm629P7DulnENE1u5lI4gH0a23He7mLwjG.1NGFlhLKv2yFe3C..m7ZFFYgFnpH1iZEZlgCdaKrYgk9Pl.xpVNIBeBrFYJQc0NsfPRO2DUgn60Q8586bWtD82pLqV.s2rQ6WBZgV.GsOk0zt2.ehErgTGID3zO1JffqZvdjElgHjtpuTk_qMAbguwMF30zvRQKzYK8fmhQHlvQbWV7BF2JcujBWL4tTX7oD6WBouHFjZKcyMnuHYlm.QZfdIN7CWEKHLM.hjibEd2xSAloNmbsQSXdeTuu1wVFI.aeZSNH.0TLIiR.71e4x.O1cC_0rSAekp1JXZyeP8AZWwVXBgDDO28.gRRrlgHz65YMWywYtMIng017cfr5qP87syr0v8vR_qFdP_7VV8MqsfSKzHFLDN6Qa1WcBSy6NyGM05hvjc8ftn9KVcRO257TZyDiy.DumgPa5eL.QodoZbvZsXzf627iEWri3LQVQXePp.pz1pOsB_NBV7s1Fypheu7kzXEnmjvIcvMJSZpxckk0If6rOf5hqJGlZ9gn2FUj8_94zl3Z0HHwA8AJ9AAAvCJCEIZrcX86BwpNDYbyUg2iadr13o0y6sdcJD3n1M6sWHJ9D7LCY.r7lVJPdJw7hvY3uVfx9X9c7z0All06axpksC6wlbuB6T9sYtm5cqE0.1Imw._Cfle2DmNjoe5G0lWS5opsd6.CLZWjVQt6MgTFzpt_nwONHAFNARyz.OTp9MjtUZrMj6mJ0OL4BRWlBsp1yg6WyXnoUSH5QzipyWu5tXhIgg9ZwenfvuwIoePgmGNX3xIIgtiWQwaSQkr5uEHe5ol__AWPNW1_X_fThuGEgf.W0onOqnmeKhFTycPpR0UmUaVYi6efOWNbpuoJFdFdpJDf.hPVAlXPk8A2ZqM5mdCFiQwGE7Hd7WvYxm4emAY9ch4AxGxEc3tttXGJEBskRZwc.70Ly7OXidMbd8zVdPwBJ9KeuPLguBx02rVCVBgxsEZt_MhF5poMlgnx4qRZcdyMGM0F8OglL3FMAPdHY0X35Y39TDuT.y7dd9TE8MwuFrjGsG2zjJMMBhKSQ0onZiQ8fCRBeyBG_tilWtdXJ0YIhRJH0hAymxuXKYedaBqh6s7shraGvFcXE7GK_Z8q3F2ustzsHBy5P9360q1AvW4B.cofEkzkMUE7hyYWGqDx9PDqHEg2fUwVPRzTCpz7Zu85H0J9gJIBrP6SkPff1tMRh9jz64.l4u0.Ddvxv0vSZDVT8sAB3UOXUJHJZFNBJnjXRmmKiOY1.6PSL..wL_8dGG7sbULzb6kO9imJxUaAmZiTW1ndIsDTBVkPjaeFVi7DrGj3qiXksDszpQZOzL0Kb9bTHbiYgL7W9tZfJVSldsV7xncBu0JzXJNt5bQAP0rVA8pJURtMl6cARRgTeADa.hJJ3v.ZSoK1NnkgTEAPBwFCJ2UV.03IfMWRKBzinl7VZFwnJ4b3ylLOExyVq9D6Gf_hfC.vcMBDVk2XByrURjeDIhM1LKSzDsHvBTeQhe3P1tnsD_a25PuIcZYJP3gohgKQJAxfgGEmxc_.dBWF_jD6fYJUeJdvaqrh2dJiBE.nFYEXpkSIfjq94XP14_3wUqFg.j9DE3ZBhVUZ2KlzCxbqHNV7ff8B8lT096SQoc2HX5tWdjIzfi84VJpKD7Z_G9P39lr1TSXqzDsKZyQA88DmipYamE6KVHRsRzvn5kyjcicqcfvt6Q3_2Nh_rwLnP841rTUuE.34Ubun1Bi5mrdfz11pEizifwg21SZhCIq3fO2zx3rZqOMKKaEYTwuXtdKmGW82YXST0riuiO4Dll.E7BfKr8EYKrwX0UMGD04OrGVjEnrrthb4QTHqwmcl.5LrA1q6SaQ9IukAxL5G.IvsudCdrQ8j3Hu94uZspSpAgPRPci88hiCWNmXDUCBnK4d4rN5T2uDMoNj769iP_zM1G9D3xWlgFag1.1qEcfGC7jTcPh6bJoxdbs_3JZb5TLrVIeCX90050T9YBNH1DlpYRZnajN7P6belsJg1QVNG52cZEfzr.kIG9QM0UEbhOf0y_kd_EvolwuVz370IoUuMNuqPa_kjim4j_t2kBE2rHY2vItVQMV5PFuAx_D8pB2Z8zrhkNSLyEJ34edJwzIwg4UUwKG8A_TUI9U2Ql2XI1gZienuCC12zu1dSgEYzK4uh..",mdrd: "F7ulzfjSkXKNEX9kwiIkWhhOv.Qm4N1zmmC6IZuku_8-1739149262-1.2.1.1-Z11jJZ4pJOzDXgAHSkCwIkPNb_OjxEKTniGnUzopYYgYm6tW6RCf3R.7oC6qtxUf0ocxjk_utn4KHOkH_DUvH3u6fmw7vTs1Rs3SMGJf2ljWnYM_dIjTjrZ2tcc.noRaLnulYHMRlpsQnWPKVfN3G6RRV4MDJLjPZuzZkDoWQybqtgRT8C28T4ouE.Us8GqL.5wI1wv_RdstHCLyTE5OidBBexaAc7YbU_NrlPbf29092uTbeBFh5Vz_Bgib0WnlNgCbKpDqnA22J397Hv80V_99Aar7BtEUPdlg4itirrlGWTlEHbiLNCO0MHiTraQzT7GeVvWh86kuL6CqygYn4wgE_cQnmR.8O7zlqxH5.A5klnaBJ0Raq4tNvLKD3MmOQvIh2c0JrFpCN6xeJC2yIOdpIHwVWAxInjp8HkRonUp9_njYTX1oNSlmzR7Ys6tqTeu7kxlW9ijQMtRM2xMvjSku5GUZWGnNrKOEQX1BAXHRsuxhwAB1lZJf9dpx7vkRzaQ7c3kEsr7riQuaxSPYkXuetoqA_UFgG5cFxBD59ulZjl3CvO3CR0vEbAMa7hRD0C9HiAgs5UcSX4KeVrcHkgP5tUGbWi5UtAKIpMz9_koXAOn7ZMFD7FHngsn7Z.syYq3fVI0qI2Wrjs9knOPesDPDEuEHD1rjHDH_zp1FLSwJdF3bUntUftHKaJmkt10XOnsADnu_lFASjxG0Vh7YlWxQMPVAy5DabltCCtj0hg_JJZ_vzK.tlHtPwreT5KZVSl.RoPlIqwKVjdP2KC23tqe0Q8XtP5z7ISst0.Y28gFhS65C3sTF4U1vurws6pB7mqj.a6aJ03AMqU5H..tYrWtX4VfDC2nBjWcOL6N4YTa3Va70VE012BU.KVtGZsczwpHDXyvxOAPCn6Th8uiDGXAxAXfon3YsooYXOx4dyO1n8L8t9x8XBz.SOjn1uroSY0joh4.0DPnvKMWkRdADqOJhvfdhjR6Fpl31jqEbIn.Z.Gz4ZB2JduwkO7RgkCQXNDga1nGMHhLc6Xy9YzgemX_QWIWiK3KGdj_CCWZhRJyBhLgzXl.CgeJ44Wz00n6lXCGNxc5b0QBrLgv41hTVZFQ36vMHiKJpcjPhHFPWi8KyRPKh6Z4bAM_UJGmid6EvNm7dSli08SXNvwoyaJLRaxmvgRe_dK.hxkqjr9QIEfJ1TfpTm2EJa.RX6DABB1P_DUq.cnUaDOAQYUaOkWim1cv5CW1f_cbAFCyaFZJUFOgVSy16sREIG6glqq4HAxihY7pV1hxfRq7X.p902hRZEqHmisECHetglYiJle0nYMhxIQqVX0dPkUBgMdz458Rf1dib5Yd9xSNfTeeka_diL6m7ajQK_txh2haR.LDhe7DH2Y5cRwyTxA_hO80IXQlF9GkJHWEQ.ZUWzvCg9PbA2D4JjxUMm24izxWITOp_rPT902sa45YNiEfKhXRaQCV5Bao.U5Yc5hn5g_y88K4g8Ww_PcpnKyzeIP6pr7LKSBfp3m2a67T3QJGM8fmnaMlt.Q3v2VG82YKBLNBgHtmj4.rN2zfIldXV1o28H1DnpZ7DooWjbHveneACMkw5A1ptM5glg6peN8ul58qsjPmTIY9Etg9rHwzAvq2X1l.KoI1aihrEVIUAYCHteEn..5iHy.iRLEEayLhkZ8WO9MA8Q9EZzM0hDQ73Y.5U_wguv57i.Hq49bVvFFowx88cjsuUJplRMIapLIAe52xRZ.OD0R0nk9XDXTRqO2DR2Bq17XsnEY3Gc_o4CC5SdbGY9b7HArVsNBGbokjQNEN.3gHy3A"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f82a6d2f66c97c';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\/3678925401?__cf_chl_rt_tk=XMZTW.zugpf4W_A_o3tRkwNtzzg22kjDfKPfcnT_CP0-1739149262-1.0.1.1-8jPaYHbQ85LOknxx5YBO4iYW8hFhzL14A1sHASHL7Gg" + 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