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-affx2zabh.mit-edu.top/post/4651072938

  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="360"></head><body><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-affx2zabh.mit-edu.top",cType: 'managed',cRay: '94bd7e8c4c82dda5',cH: 't3qEnWdgly5G3eJExS3Rdaxzr_sBMTiWpTA4oExoTPA-1749271466-1.2.1.1-E5C5jK5uSqM4Srqvxxwt4nWVy2ESgtNRLxDlzW_OIqb3z93w3.RG8g4TlGeXV4te',cUPMDTk: "\/post\/4651072938?__cf_chl_tk=sji86Wjq78BEilfZmdoHBBr7BAL9M.D9AWj7N2Cj0Ec-1749271466-1.0.1.1-Gonnr8qsvQapE3XALsTH0WGRtL7qLmD11FlrJ3aEe_Q",cFPWv: 'b',cITimeS: '1749271466',cTplC: 0,cTplV: 5,cTplB: 'cf',fa: "\/post\/4651072938?__cf_chl_f_tk=sji86Wjq78BEilfZmdoHBBr7BAL9M.D9AWj7N2Cj0Ec-1749271466-1.0.1.1-Gonnr8qsvQapE3XALsTH0WGRtL7qLmD11FlrJ3aEe_Q",md: "XQdrfaENndPUOQOQaP83ZF_3J7rThNhgDE5RgrZRdE4-1749271466-1.2.1.1-60cN5ykM1HLh5sqr.wtyTO4_RXP65AA2TdNG2evpvUqB0VoLExV0CBPqx3YvMKHURSpooqRU_HWeAvNFMGisOsb.myU.pqgWkiA_M8kwYDHtnr9CezZO08bCNubz97j05B28tJEOAqp67_AN4CcOBsJPE8b7SCEXYv7LYWGboYUg1lihZFqc5FcZszRTkgLZQTvyPqFAPwwX2RyvcGq9nxiN6hye9zVjpM8y5Q31KPiGUg_p7qJw8jkVh.2yvOVVFuXOn7Y0KNctIV3A2w7QALl2l2xb7Uj9MCDMP4KwhlAocHpRF_K7TKCHwZq_q2C6BKgHM470__dsgeG6X2UagUHiBxVd7qROt2AYU2s.3OCSuBFhwwmPOA2nLLtyCZqwKWpCy1Y85aCM6yvxZkcWuPfWd6zhbV8Sb_d0APexwS7ZDmAffBAVhoa8VL5PNiAIOlZ94USI9aHmcmOO7unH4YTjc.0HgllrwL9d7ZqsXLI80U0P6CMHPy1.WFGUwHtIMwrpwNbYIsL8WRdqUygw5U3zoTiOg2XhhfL5e3PRv8qr7m3ZoTgd9rD6VX5kCL.rR08_343o0vNzREJ3uheQDH3.h4ERYDxX2kyEEFjknzAxP.CI7ICVIRZQHLjQF7l1EHDcHqUq7if3LAGfYkmiZddlmPUdsjE0KYDIxW.eoCJnQyXAry1p2hzrDrbCXsF0.AiqQjKUa8zX1M2_w0Porin9CD04exsAS6KBa84iVIcD05xS.wIQNOsH2pqSKmObesHVagvbYFjcffLZttJDaSUwFOEootVg3ZzxIR2bE36Pd562Tv1Z1oYh9bo5VaoQ",mdrd: "q7XJ.na8WrYCmxRvnzfBMe7KEvYRETGWOUgMejTolec-1749271466-1.2.1.1-95z63NdQwbaudGxo9MLHC_5yIGmab0LhWcuiZcCS2Oz3D48qlLmfVse35HXzu4rNUAjtTinE4FoSRNC0I_YHdspVMX1ONdkQun.KwWPqNVvTmE9wLFzF6sDraxcMirkL2.Dswox0KbaMikpu4_2RV8s.y9bWu4jihM6I4i_JJ9oqIXkIDsv_Y8NhK6U4FYkanAcL0ZhO0loFzkxCoN_No4GWwI0y0sH7vYrUebILY11ahAdb3F5L1gOd.3T5nA.yVgli7YyFtMZrAvcOJGv_cHFzIbIx1tnhD9XXawvK5cG7IENHZ8rQ57ei5Fjf_N4zq7VOTbca5qF4Kt_jVzM5HhTsuiq2.1LC39gVbCXSy2sI4obBK3KeYerB8UTNwb4g6eM2kBevXMAi0ZyHbTzfs8qxfAJUsXwt1i6nhVqSTg9kGoL_uhB3G8uuQkKc1F2ur__NEkNGXZMLwYHf_9F6cexW8jTL3fH.zRUt_Qi.Zbx7rG8pqmmu9K73_lcJrs1b8msQ2wwkBFvGuzBm0SmFtu2JCgys4DlIjETaW.GYRZTyT9R_igYUJOEtA73aUh72kg5i_4YUfpC0GXYJOoTqpRuihQct7zxAgdM2peFJV.XJQTx_mRCULs3XQKXMM5P4nJp1OIhUj0UHPLWYPmJlyyQ17GGymsiCdZuW39iCXjTFDyswj6WgsZ0uTYgvXlWb.vfnDNd8xX4IE4nxboH2IpDPhoUkcdWWyd0bJKJeClOQmoWAK7pRAw2OhX5tcbjEJP3G1kD59Dp002pdSq2ejDxNWIwWeeNieHwnPbcsJgqYprsxVGK3rbG9spXcvfd8ebI.luj0A.bsH6WS3CDoSc18YVEkPujtkm24JoXmFBY9ew57X92IZ9dYdseLE651hHaLLWPMoc5jIPHWuHnWwVv7Q_GUyGAQ3X__OgNP1IbwjdusygdnglIcDEQYwHhs8R3_rTjkIBqG7yw5D8dac5wHZqNdDhHWZt4i2bDT.K19e0uFhoj4D1AxQoU8k9C8qoc52vRoPQu8NukQeIGtK9Kgym8AER1bk6XwNoRmM4PTHL9fsNsXiUZAIuoKFLPQdNk4gHxCNSUoSHvLwRjupsOfsBi2nnFmXLeQHKBqFoy0vMZE7o9QEbzqTTkDKbQaYd19v7OdO6F2ANK7NSiGFaDXlmQ4rbAESM4KMsPiBh1I7U_Zyz5.cyCu9jRXGoPiJAJP6OVx2iBW05T1lk4w9y7_nqXcyB6fSAWWmiwDeKQVgAbvJJCSGL.fZYGwsx1UYOkdNSbkaLPZ7Cy3ewajShqP9W7X.a8LmGOeJst1lESSKwLqRmVoAVIHhOOUP63WD6HzfjqSP4vcWDVYn9BPNjWfi6cUn7BxkEczr2A0jDDiSdrRuj.k0IhWCPKgu3qqgFnV8JBLyeb3pDs1SMytE8MtY9vYaSWLubhwOCHwx7L9VrbSWTs.gvhX2E1xNlfCJLr_j7OLL6orGGsgYZElqP1d5rpOhd8QgU1DG5ChnizJKzHqZFBfbMzJc0sAhE0cPC9kiwCQkPzNc1_fkmR0iZMUJ.FhKqddfq3k03QBt1IAY.r_UAVOWDDmlBZmgOQI_8pIRWokZ8xGGPe6AdW6XDw3zlqQ2tIvAJ69XebU_ijy8n3T884zzoIz8WtnquE6K4x91huq_btH4pMg0x0j367qudsVbu_l0FQZhvXZU2QkmkHAbRK7QVOeYC4yO9cUeME.CnLJpM1wK8S29gmfDHDenx7SA2IHl57DWmV.GvwC4dpFmqm5vDWeZos6u92OW8hN2ebD8lUOL7mdD4sPVMl8LWbl9DOaX5_E7YGo5QQ7XAT9iE7FSrZyn4mpaJb7yPWK1ufrE1TdlbzwUXbung"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=94bd7e8c4c82dda5';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\/4651072938?__cf_chl_rt_tk=sji86Wjq78BEilfZmdoHBBr7BAL9M.D9AWj7N2Cj0Ec-1749271466-1.0.1.1-Gonnr8qsvQapE3XALsTH0WGRtL7qLmD11FlrJ3aEe_Q" + 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