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-aff3voyxw.mit-edu.top/post/4361280975

  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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-aff3voyxw.mit-edu.top",cType: 'managed',cRay: '90f42d3fcc3e3b2f',cH: 'I81W5Guew3qMdZsnU4bW42UmQbGET7cNLZv8AHcU3H0-1739107435-1.2.1.1-nIeC8KBxJBB_bfXjEiofYo4XHRfj2FBU1U4tT8iveAgpXgVQA6KF38EmiXyB3sql',cUPMDTk: "\/post\/4361280975?__cf_chl_tk=IHfbfOsTbJlXqY1XAm1vQMcrtbr5G.riTdQMpxFyLP8-1739107435-1.0.1.1-xomShrwK003Nn2OusQOmh24oxjgKDvVIIwIc9V3Q1lU",cFPWv: 'g',cITimeS: '1739107435',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4361280975?__cf_chl_f_tk=IHfbfOsTbJlXqY1XAm1vQMcrtbr5G.riTdQMpxFyLP8-1739107435-1.0.1.1-xomShrwK003Nn2OusQOmh24oxjgKDvVIIwIc9V3Q1lU",md: "GnU1cCydraVZDlOTWSULQfpb29yJR3sqAi1QMqACspo-1739107435-1.2.1.1-gp4HhhkCiU7V_fWXAAkR3tiHB_eVF2pO4Hs6XRwh_NqR482IGbgkyiRWXV1gadPMsQVr0oejvKM5oeaW_eykJHw1k0bMu6MBjxU.pjJ1Q2MuNc32q_BCOrtGpxLjd7QJPSnxqOQKCA2bfOw0KfwHDETgXTQWVkQIFXRJZ5gTlEhryOiJmRL4MIEQ6WGQ3XELp4.2UGNgF8urNXKrRbkAEizQNWc3CmiJi60LWemGGwCqE8RT.2WJu437OYq9FWJRJXAEW9guLsyTGYDGrzXdboxcnzDs_3OtipAjq3zNju_2._XZH5YAUmhjNAScfvLAATOgUfnby8BxDXLdr6yvIfs9pRgh9tLPRk8TSoBnZ132iNPH2hsvbR6YSxwreWOnaYaTRXlwuvMd7ks6zg2uiRA_v7jejAXL2MzTc0Txp.8PNc0w2f.SrxJAd1KGWXWtTIcclKOjVIME.Bl24jxE94Zp4mhcP3CiDIqXMzl5y_cSvpAcRclurt9.SxrRmrCfTRmr36iv8xMc82X9edMXOZ2pX7dJUDqy5cOSCZGeZvYWh1lRKjsuINW19w9cjmWghwWvSNN9vIauY5c406vCwlRSHK3rjM0Im2ZgIovesXqyBBg3AWMQ23gpuI4jYTpYYin6X549eRGJjYPQx00VBQm_X8GPCiFeu_DiDrfnON6wjL1gbZXEDC5hY9DQ7KNu3Cx7Pn.7IZFYeuIOMQ5eAeoW7dV.LODLy_PnHM4vL95gXVRTcKWKKtfo.tZ907roCUQnhFqXiOB8v_jzZ_M3eyAkTdZByW3vFkWc4T.bleuiDhfWi0ELE8xqHUeFoOZ4ztKRGhvLj_u4eeyE7rL8HQeNwVmflRf8SuLnkPsooXaWyEAtRMqaOK8_XXKcBZr1vMS192Mdn93KIYHBpdmdHPwNzorxrdEXdIAN7iSE18WcyJpwQEGIhnaBjn.3c1sRfASqIABNgNY.YS3u0IyC6XVzEN12CQT4WBDH1Fm3U2WxnSV2ZcK3cp3S86MhUptJAK_ueQJ2vsPPPHAqOmemsFdBFoMspRN5wPJomEFrW6_XDgDufHqHvXQSlfPWNGcvCceqf_PZqhgykSOD5mCvlL1AytKSSZgQeTrOcRn4Xd74o8Zp.502nyCPTxSvEOT1iS07ufIrNDQdNizqc_4bxv6svaGTwdEPvk7ltSCL7cnBd0KUSMR39eDUtYHVnpyHzyBGjHXphdbeUX5dajI4r4Qw2tJs31wAKPwfO9VEb6Eq5FEW46vi.7GeSr2DZ.66fR6f1fC7j1kO8mtEcVlEB7pMqKABeH6rkXIjGhlT06478q5XosFhGM729dQLxqZnBJj4IYMXXbl00LBdsEw_HuWiM5tmeLi1z31C7v_UHedcCx1eN38N3zdK_P4_n0w0zFeX2Dx5pz7.zE131LXWY.5YWJ1PUBCLAgZKR8MRDtHXZ.xOwzLGPr5TeQ.g4nskg_d7WNVlKQcOlS0Po08TXfVYmuQD2IntzeIqUts.XhjWUGCqQnvRcNEu13UCDn1cGlh9vs0Ug969WXjVQ3d6__sTgoY2.u.dWI7.LaWHaqVTZuQvmY5f._k2Ia4D5Y2RdbEeGaxJLCaRPJhU8wDjGIP8kQe0vunMNqdQZbWF7qtII5iZkNJ0fZcwtX826T0clrDtDQZ8J6uhGnjAHrT7L1vyT_UhcIMV_6KrpUWr2MrgXodR9_nLQ.4.ymFZrqebQ6tEKx8L9jHu7oo891KZ5oACqOHpNFMJDth6QkqOuTJJAj7DZKK1WgIKUclqAyjWiGmEEQOAncBWMg1paL8o28bEWJ94dILiCGdcVSQDIYCmcBROj6hT5gacHag4_xOe_RLuTNiLXyYTCMWtgORvoXtZAl_dw1yLA54_pJNgJxb4.10IRbRJeoTscUpLEKTHAaFaMA2_0IkNCLxLW.mvVTAtEX5d5iDZYLPCmzyM8I8jG7NZfkqbb9KptcQcMV_9udEvOC3NnbI9ntmArBpvWETyPzXkZCIRoWuugXZMikxHx3NzcIAkfdSg_r_FnI2neVQL6TUcE9.P1rVkZ9vWiURP5e9yNAhZC2jlqyn8AS7JonI5TRWUIB60nhsX8dZwcd80mp9yq5spt3bFT02N4HMbCFcQ0uh0PDL0H4OjcCR8DD1jyn.AtqY10gj9IP.eOvYG7duYZ9BwfVm7kjnseml6hNvkJ7bw3cSQmj46__z3jSvEAitTG1BC0knj3hlI",mdrd: "hNtkxIHCV4R7SO705_InzslmMBCFnVscNN6ANMnyMQQ-1739107435-1.2.1.1-NaFGejDtFshnvy5JopTqwcWYsVCdqouKFtPHj31qatZOinuLtMsp3ddVkuzlsUUj6FXEhNC9aT7wJxQ8w1dtclder5ciPNxPefYuV58r.wt6ERRXolZg7mDPMPOVLQ141KxxeX..05u7MjTd5xY5YpMvzpoyFy0Mk.VUePMBaYretD2eUVshlTKAM2rfpsP3HOkBwfzYagYw7RPwMYewI_m1F2apk2H4ZqclBonKNIbXRUBm69pYa7y2.OF9iKv0LiwMPY0Fe0M3UCUtxDkBfgwIzFqdXBI0q1OAsFM_2pHcCnKyemNBcSRYy1YzbYDPyylOeiU4QOnRN1Re4EYdafX_OY76neg0I0esDIoM4UOgCokm_GjOqCJ0jQoXedON7K5YoueQtBmpkuM9XaYxT0.BoqBA.7f9CgQQNPS9lQc.XI9Veb7n.Mx6IvjVsaDLzWvXHHPgKa2SmtSffDH_sCm0renoQpOBPDsqEPQafyqVdHF_SK_eirdCFFHStiAidfopwQIFOaZ0BoxLFmW4acf7aTxeN.xRnrYRxGw8AFD9Sjc1_maPT.duSvSA.uNNe.bqhyUci7b0kw0KHVSlUyLyHJzPkIfLwurD6W.cL..YDBDpQq6qFgAoIub9rkgVFY5.Iw4bNXMsvcU8qakNuv6RNgAzjKjfH_nt5DkXJ2v97BZpcrV4DgGFJpKMrutyjdBoT4l1zM0Dmkw7eU4g059vSNHQoVhFOK.uAUZOw1AANjXZFkOrdXwuci7XsBjshzoX4jcaE94PsZKC6SInwuioRUhH2w1lBMMaZcS02_bPFOHNGR4zVw4eGLKKcpK_7wnhGmiezrZ5CGcZXRv2EUXsPmTVxObKOphDASfC1fjJPmgP38u.NWDcxjNcAuHRWu3PNlSkD_5r2ED6lRebKpSp3ZCnIn9smnqTNUm5I6AZa0lQMcG80C12vNMiN_bJKx2YlG_Phdzv36GPS2Q5UxMGi7.XZOMpQQJWop8ijtZ9uUAFJLKa78F4M6Qp5eXPH_tKybupfopbVy51AEGIJjYuOkX45ymYfv0Sp8GZFenr1Z5wjMWPi.taJekvLs4BjXWO25dCzWJIXlkIn4x2yc7qbFjGLp2rJOweXd6rr4Ryt3CsN2XDgt1DVoI7ifUwBSZYWWW5.3gt5qcPS_lVLrOdNMpLoqauVRfZ7KOv942Nh3z.Xnyy0vOa1zVrEG8h9tXr5JFSbtkzU0hS.U1o4duR8OwD04FQJ4RC3B.K0Kx875vcni3NxadsSRo_.2HjTO7luQMfNm4qgHY_3UxD.DcGU3shGqE6XGrJMEkdhttmMQoEvTfRCaGkDs734R_v2SFymB9Z.xG8MSePnjUb7raVCkI6v_mt2CVmkFidhjeW2ETND2V3SG9iVl70iCMll9l867lwJm6WNUWSo7fvfKsa_3XFsAhjlsEp9G3f02EbyXrVmEmjsMWxQO0Yvk6ButcOlihnO_FJOWpadMRDMk63w4yo4SSFWox.Hatq.A4NWVDeeNkWejr6A0nOr4Ex6vzl8ImUPd6QgKiK_e3vztm.VB0I_Q0hGu5Xk2Y43Cc7y0xHBns3TjiGVPeVXTQBw5Kiaclk5cw10h0CeARqVpsPZRpOLAQeQamDNTQO6N6ineTOxoAN6lqfhFp.QMg1f_c8srSK3etYDhGU9lvddXi4rR5Q_.eQHSY5_w4srw_cOXkoUoAtZX_dURb.oy.bdsAZdFm7KfwqVxXiKIAl7szOTek402PY746GBecNNubg6bBWRn3f.jrzKsw.J1RKehRh00GRPnnlB.Y7QlacDTvoPw.TzusKhYNs0C_ybL5MV6DGDGKPbfSOdeJvpltC"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f42d3fcc3e3b2f';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\/4361280975?__cf_chl_rt_tk=IHfbfOsTbJlXqY1XAm1vQMcrtbr5G.riTdQMpxFyLP8-1739107435-1.0.1.1-xomShrwK003Nn2OusQOmh24oxjgKDvVIIwIc9V3Q1lU" + 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