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-affixalg5.mit-edu.top/post/7349580621

  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-affixalg5.mit-edu.top",cType: 'managed',cRay: '90f7b25c684d2081',cH: 'j2NyEiSX0otPyTdlPGQkhzIovn5z6uZFnz2sB.wgTs4-1739144345-1.2.1.1-yJMZEs9h36qCFaef0GXrNPECCv3OVPL5XCcIQd67BUz1GZhOkYCYIpi7WOk1gCGc',cUPMDTk: "\/post\/7349580621?__cf_chl_tk=JQtC0KsXb07.Gs6mwkWWmM5FXeyq7YGSgSMFGnMMdDE-1739144345-1.0.1.1-t7RbWb_W8Hpd.HKSWHv0Ekhhz90ivkQQZW3qmpmU90A",cFPWv: 'g',cITimeS: '1739144345',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7349580621?__cf_chl_f_tk=JQtC0KsXb07.Gs6mwkWWmM5FXeyq7YGSgSMFGnMMdDE-1739144345-1.0.1.1-t7RbWb_W8Hpd.HKSWHv0Ekhhz90ivkQQZW3qmpmU90A",md: "WG6WcKjPq4.vvHmCQH2Js4FkHvMV4nw2HMFNegCMGSw-1739144345-1.2.1.1-iNCPpITJYX_3AcaANSGt11LJDiat23SHSx_NE_KFWY8qsHa4_LdHnA6ZbVm_5JLsb6xumJq6tUjpZFVT5zXkxB6iq.kYB5CNZ2pipT0wIDlUaGE4RGBX6GOp8xXwMeIgrtBTAq6Q299iI4v4eWiQQACmH2G0nAAE_GoTxb120PsEn2AFrDXM557JDCyAgZ46nRsz6FslHWRhuEeJS6c3YPqpEFM9Jk3O758lUFtzIZQFWlPEs3VFilPF3vxpt_vaqkfjtItoUbIRMBI.dFc3I56J.mhUckvWK..Kp3JJVzgTeWrXOm5GLEH0bfNt0rWGeJGNhBOXIUfAz3g1DYioWK9d24sKYxqbODfuX_o.zgETzFC53X6TBaeNToj0ek9rqV.babOy58c3_RCSN4I4SsFdD4ZCOSqKl010uOCQW9JZ0xsKbqa.T94sojM3297NnKTo5KnTVrACz1vbnCVyX0WTjuMfSEDXDH_QNRxL4WFNoPmoOHMBVEH0xnbJBQCIECiedZ6KcWbvmJtF8KCyAGrSo80jnV9y6PEJ2._yNOmPlaOm5b5vKqWQqm_r_dOG5D2dfFNh5R2AUxrHSzwJ3rJT3bE8efZj9FtYfGtbtqtsx6gh8SA4ZnXMkm5dHbsRkDBYoxvZ08VR4XHOVBG5RQegr7l8U0Kuryxnn_wX4_9Z8_EBbp9raNObk3ULaLTl3vgz_nOVRAUIxHpNT.rZR.DtLPcGmfVPkoPzQp61UeMHlVATLDXBuyltM8erZTC6wlzPzskb18eVGxukPj1Qu.lLQNGTtssrV0OiOrPRrujXK4uikECb4T2MgeuJDHDJMaIAr1gixVIsL2WG47MK4rUPA_VmVo4iNPchbw1Nkf4rDC7x_NWi9pyrHPxoM3vb.Pl0yRBY7T8thGY4.ZU.COMKGKn9lx._vD_SF1jFoAPctm.Gtyh0s9EaQs_isaKvEbzyQJwMFC0OVEF.KWC6c6DVVNBEED1ZC4SPkkxKNMaT_nfjAWVU.f1q.RVO4dvsBkwIrGsYkPL5u464ouJdczj1c0.KQVOupAhiZduQ1JmLFKG8z_2IXcyB_WoOLXyF1YMXyTICUJdnt_xC1MdubgIjbwNxoD1Sq9nmiqefKGMkB8pS1SVPb25r3D97PRhcLAl4RDsLgG.rEbsOPrXTKdSJaeJPIAwCKVXPCoEvP9s9bosPZjFPf5GtkBc2IVuQoGhoyDCYo7rO4YXbxGjX6FhWh.gEqAzyWkmQKSlBKWjuImyptdaWEryQeCl7.9Sje_hELorF_6u88MU6yoWCn6BA.G4853NjB9qDEK_SoxFdwEE0di6_LacNQMT9QSHCJ_QxCVf1E1.2skE9l.1EYyZ1CfheVo26BRtmP9MtsGfZDfkKSiH6gdd7kjkKQvFBQxQ9AFAiiR8rEbDjT6o.Hk5UuhTWNVc.c97wZIfRGrpK0CTxm84_PMEHtehnB82MBDpChG4LjedYGwisjL7AL.jxE09uRibHXtmXx7yspcg4ZDObNpKTujPWyX0ppKIq8sciv6yzAYVGWTm85SfMa.hIrJz6K80OzH41FFm.sLiUs07SoGBrhpgJdid_oRSTUTtbGPLu6xTZbFu0iBDibhDI2Pb7IPgmpGOF.O5V1g90JNJC8V10W68cf2QnfqaNp_EW9qE_BHKvIECIXTCOqgO.iDbuHsCWfaaRPjpw95B.4qe3GRRNp0lH5U9e76P_6Pf9V37_SKn5oBKA7glW2oeMEYasFDDI86TRU8o7mA0sdFKS9FcNxc.CpeX7wJp4X9DXqxl.A1j68D4..gtqt03ZEF7BiqKdZZWlU.cctfPAF8LMsFl0ptbCTFGSyrjtr6SREXr9cMLlHNgRJ00Ux8Y0eiXoeRf2xYFZwKlCtEaJp73Z7WXqMVoMWpk8qI3DH5WNvddFLny9KM6aLfBTJwfAErsNbZIIB1Fh0qYbX7Dsfy.69EhvGjEr3q5pN444xeC_VUBhNsBhd_Y5N_jUqJGI.hlXz8nchHswEEtv6DRksCCjfReH3iycKWqyGHwyAUvSYyonS.G0ExkriSt0hE5B8om_Grt.WPtZEWFVNfuqvGUdz2tp05S498xYWGy_qQMFh7iEQydtdzKOfumw_hZdtsejfT4IYKNYncAA1J5hB7MgyTdYfo8Y2ekAbBDpn_y8DFSe7dPwDZsHE.5x4NRlI3RQ.fWUt22ofjFzJMBjL2YUp0D6Gi6e_bkZsn9Q",mdrd: "aRjGhsT614rbdC57GVEBaTB5p11mJQV.Dcr671NW4o0-1739144345-1.2.1.1-.EUzVuGykDNFqa1pJ6iyQrBrMuR2f.0l_gQdDGaUONVOE4JmBwajw_quXj3XZTQYbusrOLY.EOqCjtma1N8DZ.SYesWqStroNudY3yNixmgG_YHht6R6DnVtVnSBuNJexNZXaVEm4avcNks9McJbnNuuVtvNJe2evzdeqrkIt8v5ouP.q1RwA7TW05aBB6OCO28JsOn7MGwMahf5SHngTDE2lMWxOxLaKTK1ypwbtPATe00r6EL71bWH0W5ChCe6dF6TbtirQmOeooOPAFY.AysZNVYv8OJ38MT6u_OqSoyiNeWrglxaCdHjW6.cVJKZJ4BBF_eaA6TFmZeo4oJvkYhs0f6s7xAzaW6lc6uly_D5hF05Au4LMK89a13xlwcEjRlY5WzdTrmHbCwnvZoJAcXnaOzXoLc0FJKBcunmJFbgtYqDknMakxTqApmnKqEsCfsRaa01qYC7yGrq1hjvR.oQ6gRFLIXI0RBjQZ_Btl0LkbW9iwNIiP_rhy5x75kmaUbzIkQf3wDRjzSIIWCKveOD6xnl0.6VVAheL1FFUPS.gnCRG1fWgE_lB4lfy32ZSP2LZY7GnQ80O_Pb6L8wjDGtxPhj5lwmlZQTxoCR4zWYrBEolMtbVFdIB3R4rSDFeYdiv43zWhZFxMeP_SLIa21vbTnlqwFjYfQfl_bgVFwasOWyc1JdVTvV5hZCsoZ_U4emjIINYa8hV1PnxF_JBG1s5nrNEqRoFqxAyV7CDsrgEzZZUmvwdEi_.sDpNf25QmXBjue0GqPUoNj4uTlrnjqUu0B.uO2E13owNTYZtim79HyZUB87ppVhlSRfvgqFomTe2Jr13JJ8Er_2zyGlMOOZ.46i_9pTCxcFFwz_pAKBb94S0jvxtFu37E7TcnP2ghg9iKgm0O719H9rEO3kJdR5BvuXCmFcIJlzKQ3hilLmzWcpDF5bsR5q_rh1W.4d6ty3NVqkDeKfukfdJfGL_Z5dRNSbi148sED.iKo6IbEyIBz8eVh3WcyqNl4nV5JCO7dfIQZe4BaHQJ9o899MEc3HQ.9OTeafv4xFd6prH_ERbUZmJZi4EUf4Y4nbsdWGQ06fqoent6HZOM24xysn0hlKqK_0jkxPAfcY77e78xRnfMmMhSj0LR7wWbvk9SH9GmnOPmqbnP89dFGL2XBe44vrygdA8UhgKAdaqjHZLKJRJRz2Pc1rJfdEa_j2Y2frMSlgdN3sCilQT9gy0ZC7Np_Qc5fqpM3WhO0tPomMh8B1hsP0jUh4EoM2dUGwD5RNB.asIr7QsxO3TYTzhBhBMNiw0h.O9oer2yfohddCNom325_BPxIXOFiP3_Ns_mopKONxybP96_TF6JfuY.yVlKd2.WmliimRhzPbY0HFc7ynS2Cf5ZHZfmOMMnzuzpg4XUclGUAUDC1Ri15I5DWFg518pNzU4qUIWI5W49qLUwP2br3AGGQD27yHDhndBrhyi.AwOumq0RwJCtCSIZqNJ3AsY9Va60H4KEMT4qZPdqaEHT5AJhW7PWKy2grJzCN88WFIeRr1cZCmCdUUq3wG26SNq6jYQ_H406emxJzd.SadQYEE7jnkHlumiVIgr3Yr8YuNOUnvZl3eFiUtk3DInOX2QdbXpLDTjC0QTeFSF04VT__y_1AW1Rsno3Hs89o4lzDtUwZjUy7ZXkoDPGP3GXq77JI96u_tp5f21RKVpc8pLf4kIxoHpAf9DkKD2Zcy3Q6LJ_S7G5elLsR4.yr_xyGbMIn2x3sLCKbKOICkacN.ubU1NjFtyg2LV5fj0Zjkg9WINzj_ApHmlE4fdAKzBg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7b25c684d2081';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\/7349580621?__cf_chl_rt_tk=JQtC0KsXb07.Gs6mwkWWmM5FXeyq7YGSgSMFGnMMdDE-1739144345-1.0.1.1-t7RbWb_W8Hpd.HKSWHv0Ekhhz90ivkQQZW3qmpmU90A" + 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