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-affnxk2g3.mit-edu.top/post/3082671954

  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-affnxk2g3.mit-edu.top",cType: 'managed',cRay: '90fd0287b8e2580c',cH: 'fmv96jYpVEGRUKA_ATTBdTTfDTN9nJrFcwzmoRZC8y8-1739200057-1.2.1.1-uMzRQwO6.0mvtdaech4M0ipgwy3pg0RgDT1Tgg0AFmQ2Yoce4Cfz4Ehu6YeMbXCx',cUPMDTk: "\/post\/3082671954?__cf_chl_tk=4piFsRaJxV_su1BaDdUjtgmMqaJYAKfp0FKn4C5e7z0-1739200057-1.0.1.1-a3WxwpqAq_K2iUGcwM58FaeEESKNhkMt3tol1Hx8zV8",cFPWv: 'g',cITimeS: '1739200057',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3082671954?__cf_chl_f_tk=4piFsRaJxV_su1BaDdUjtgmMqaJYAKfp0FKn4C5e7z0-1739200057-1.0.1.1-a3WxwpqAq_K2iUGcwM58FaeEESKNhkMt3tol1Hx8zV8",md: "WPSMcdZNeUxtmziHy83AJevIX.gx_dv59okj082LR5Q-1739200057-1.2.1.1-eynjyO_zMEsP44IUlOSEtj.Vk0hmqZzNvVPF1ptSIN7AmpO5yFlTaddn9XL9o8ufiAt0lX3Kvu52VmPRDzxWkn1Ca4rFOjI2S6EFQJwwxL6vlMDGZGC7skUBnHoktGrw2cMRTWER0Efd2JB3QBIRb_RKToB4B.q3GMl24O2tR0PeKyTTZf.oQKLopejwUKMyqY3xt9xYM8QVDGh7aBjZTwSlqZGrM6qzHifhNuxiluqr3.AoT3HRgp5i57KFX7GOmHw3bxkOIGd3JAy7W5TAQf96HSio7WxSMT1XfN6Na563pOASBwwen7YIxJ6FHOGnPCMKQDR3lwFiO3L_DHQ9ewqDH9k_PLPWqfb.o8i93EgRTrjIoo5lKVIDXH3Ekm.7Zcx1n.RxdFITkz5Lz6MJ43q.N.2Ui5Ng71S1C_PFklW8x_bvuKevMxkhcxTjRgLn.T3GaaAqh3RXQfOKWIyRYz1z.MKSYz4V465n5x5._zk_OBpx_DNSeCbDy_utyb.uUKQwQn176ooYCcKrzvuHkFq3DvzVr20QsvsOKcg4d9ASUNFHP_q_7i2thdzt3xK3MgyaYZ8HT9T4mvfyXo5KSHXf3I.zJiHDzJq_qbwzMbDG0ubjOQzCvWiSZfWfCCkrXISTgMrC80aTh1iL_BsI6sJ8mos8H.ncuuWj7WZEjtN._8ngMwvtW9AG.WZhjY6CA522xUtvOOwPYy3kRTm3OulaFUGMLT4lVqFMnBsutk6hn.9KhZ99TmPo.jtQJfJuxbinsMSj0J7xywbC3h5N7dbEpGAZMAur7oXdh7kC2oR49ALIUZnnjPoom5jaJUNAAEpheZ0H5FUj0.vpBpANN1EfvHghd87455RrnCDJXnT7j_lbHdLPOAp1L44QFjbfRmzZABS8fpKKmUUOG5FEDTJn0KnHhXNeOckbaZIYFM_5lAi22KY9ZLmYrwsIU.aRB02rZRWZeD7mRtcl2fGVhH_GqatrQgpc3QJ1hs42qNDiqPnM0Ew6NJb.x3a1XP6lvlSePujFu42wlUMF0ZxzVVZmerW9oeyTiG7YQgD6WAh0ZFIL0iRt4eYmL7LiweYbMycn6Nj8V8PDni9ni8rjZz2W_tab7olksVQnzkYAKmzRP.a1pa3ZKqGMnW4TGBOKCA2iRwpv77sEsbIWcJDkUfr68w8BHQ.MdjHsxxgftkWaDwTzwcU6q.XpzH.OMrGZKy.DZJ0WAlx6BcbpeDd7mdNifH5fKgnATmbXrUNpUFgeZH8soJIUSMxulTXE2dPgBqJurIRGUQXddjuzKkLiJtx3fcUNq72YvUk1LdLF1Pr5.Yys6dSgtrXC7wNSN.m2xy6lDkaXSsTH1fcXyYR8Jn9jtooARiV6JwZL3hJP6Um61xdyik34OPny4VY16Dt.b7kji8yVnOHRKhq8q8zxUSLnVyIbEu99eK5xYohc8md_JqQXbKf5NBdWyIthL01Dbi8jaSTcLc_FbhIUZ8sS5POB68aWQlAssv6xAMf0_n2YhnhQeZx3A.LjNKXp14DnKUwLxj7jqHemE9g9Ne67FABGu2Fh9CCV.DRLJITIcBmYiclzfrejnkJIhNBayn5WTP8MSmyq8KTZIV2YmuVnIy7_XReDMxJRAZEyqEXpC2Uhg0v5R_rNEKDUlOc__s4IMWJZag7d6Dkc8reRhMzLxaxrplqqvriOK2rqJ2ldfPhoYiTKdW0.1tttym4ySjoyyXxzvIkuN7QBCoRUPhr0RQTR4JMbsiGLXuc.YudeygGGh3_o5ztG8gEe2DF58syYfzYquWaRw7n6i3CHdfIW6N5nOzYfXGwqm2eWWYyCrQfCcytkpu_XrpVplaCdmV15qM1JSFf.BJWYN93uHEyWXiGq8b_6vEB.gIfntXQDrmO9l5NqidmlmSb3S7B8Fk6.P4XDHnXXrfOtANZSCNTzRX5klezroxGY_KcCxmfJ7KOnLnW0SgUtgMz_gXk.J8oeiuEEItO7Z4gwcNfQKDdkp7MCrTzvg9BcqfMCcemblr5KK6B9pH2FyTpJckx0B452Y8PfLavWyIyWQfMyp3d6PpM2R4PHFR5yXdJkuf69tuKjY8WrUBpQdeCZtH7U7JDdqw3vtgs5JpY9ZxvQgvHIcxscmL83eB.avH0khKY3QAuambEZDIpysXA7nZ573v0iuLCTSKLb6ICDM8WaI5yOvU1JzFfZlf9kkf6DUCuzihUZEZUk4q4_VNN1k2sI.eKZ",mdrd: "u6VtD35Aj3SJmBpTdsL14aR9zxmI.TmVWgr_CPZnioQ-1739200057-1.2.1.1-tbc911_Nbr1PN24BTVsTupyK0.HuQ6dNOVLD4dghhPzpwI2aOzCuvLIHlixoqSD26ssUXuTv2WPY_j_ujn44cJSOCGuoV9hnyPsA_zZv5o.0x6TPi_3Vp0KLKKPgnyClZIyt7.ISu2IbP_az4jZc.Qe7B7hC2G0wAa.qvONk5eDGkJqZ3FcTGKLEfyNBEUaLH46_7AWYlb2ZTbiH6K0YN76.eayXGyP5NiR6Jizol3QSmQWaYkrn_bM8KX595vdZVWbvv7XQDr44pNk.3rVV0hX61d2pWcymPKyhrhkmR3CO_rPhD6bOm0.RZw4wOkhUvQ8.ZdGKgfISPbJ5z2WOHgXCHC1Pe8Rpci7wiQC4kO1ypgc4wawgn_FENV0qP2kx47ibnVDnSTfWNvFdhFagYdHtDK6HLymBmnPz3PuiEHd9OtmPleBF1i4M3R7xplYuYDXsAfgHFBNRxVIStwYQxuPlXNZuH1Vzu2RK05hvrTpeDO32f7CMWLgwuT0MXrhqv72oIxXbdfa273NVr1bgJE8_kHdVinp7NPkjTkLWuaaVu..vFvMHlne.KJMOv6AsqXaw5MJhC.9RPcDoWiJs4AUZwKkM9vm8mvylESA19aLoMVYxwjLPeoMws4.ZBWs27o.D8I6Rz_N_ws29YcV6yrkSd7tcBppE9JYb6XsKB5sUhX2LKkbEd06HYemJUvww50Q_rIXuuvvkFpA24qsSmHid1YN4cy1_0n_ZOfXuICeBY5Ad6Gi4qTkzAr3DMXBGRVDGXcuskobgJlQYvX__yWLyfCxiwZ08zYBFuW4jXrjGmmCMoXxWVL9pIc1RUFDuawu4uJFGeWrtBboDnLhLd6c6mwjd86F39NagCCEr.AMpw3dcYBoVEbn7XfnZV7jSefoNqi2biGujwahfpzsJEsz8ChzeanjAY_v7yRUQ_mloejhWIxIfX8yCv1wkmQ9uOJCAgLmqMjW5oUJZ5bLyjpQUab2ohbYPKWgmkhWDCknrdWrzy1EwrnzkxrG75D9PvYu.sBJFtkUAQFK2AB1kEhmSnw2RmANwJDYalTpWKvF63rxTfGdWeQRjs90oxgaAeO9qWhshBgMQJu.y74mtsN0ojeXGBz.6wQbpLm8o0W5YBeAXkGIR2fsEp1uK4VP29x1tCNYJ2JVnBz37.FG6e6mZyt3Rameom7A.MpLvphsmAlQf8lhwad7YacQHRNG3g5DKdHWO9TdayPHBT_SR6t0joCZ2eafX4MDlvLbNtdL0WhyvL4amJWa2JCpq1CvaC3Nu0HYgViQ6iDyFw2wTQmo1WDHhnnHLeuC89NdaoCQIVyyTBBsxpdKggd8X7fpRKPChoFG64_xvLh5YVtSOELQJ7EN9F_eiPiv0fg1PydawF3lWqG.mpmJdaKSjVpLkdguAAqh6swSENFsZ74iVc.QR7Ko9YnxP51iFlGNzKoxaj_j8Kn6IsaS.BcDS7NqDeItKNxGhbOJvdD4rxLrmi5ZU2l4qcFjBt3iW1dByhwTfNwTL7m.VdL2IreSifPteKfSsLcEPUN3wiASIVgivp_nBBsxc_EzBZoLU7.bLU0_1XoyggisdSsCklcmsS.vzwdMkHBzN0rEBwV.UFgg.tS80NmZHIr6QcbtUJ34Da._7aUvXzKIMslicGlvF8ShI_ppROcAo4hXY5ipOy601iU.VqPFLgwVemPR2bC67zaHhZCIucaQs8KwsnTouLib.pf.S_QQ9JPnd3UX4wqq5._3TJ5ZwPIcO.LFXwPQyAfVbV6AmEW8VfRQS_dnlNbyQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fd0287b8e2580c';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\/3082671954?__cf_chl_rt_tk=4piFsRaJxV_su1BaDdUjtgmMqaJYAKfp0FKn4C5e7z0-1739200057-1.0.1.1-a3WxwpqAq_K2iUGcwM58FaeEESKNhkMt3tol1Hx8zV8" + 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