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-456048621943.mit-edu.top/post/9165720483

  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-456048621943.mit-edu.top",cType: 'managed',cRay: '90f7fa392aa2c58d',cH: 'OvYOE.UeTs.qtoYHz5rZXoGexAqf8mnt_Ho_qZ7_MWE-1739147288-1.2.1.1-8b_YFW0cMZgKPvCMn4KPHXk49MrPa8VCjQoQIPNJNdyVyhA16Ch.1vnvKPMORtNP',cUPMDTk: "\/post\/9165720483?__cf_chl_tk=AaA.b8O1Z9JQCRHdj..3pwQMlR6bGOaHLkIH7SY4T.0-1739147288-1.0.1.1-caoeHl3_qd8Ik4cKuK9o7t0QgZT8EWUUWcBBByqOfzc",cFPWv: 'g',cITimeS: '1739147288',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9165720483?__cf_chl_f_tk=AaA.b8O1Z9JQCRHdj..3pwQMlR6bGOaHLkIH7SY4T.0-1739147288-1.0.1.1-caoeHl3_qd8Ik4cKuK9o7t0QgZT8EWUUWcBBByqOfzc",md: "wC4VYIcmDFXcdhu6z2KMc9DiX6Qc_gsYagBM9Vrd4.I-1739147288-1.2.1.1-.wtPQVmnd.Cf4xzHlY5w94XN8GLkdd0oevFUHmb26fXB0qPoW.z4CPt4BhQ4f00SpUH_IhcerZu2h6Wpuan_sgK894vJKUoOeuOvMwvdzuqj2tPcD8AvxjlLCwe7EB4o_d0m8BJPD234s7Ey_NIxE4xnLc6RCtzuzPVuWGOfsjP.w1GwUe9vL0tnBiIUoKaZkjkBuIVv897_28oOOr1ZtkeSWIYnmYeOrLccTqE.wOewKXCUDk0Bwjkbx76Jh_ug5hY.6DzDlsNVhlmMp.rYsgQhOJWu1JXbom0nYy_MzD11gPTV12ueahywVlwjnInYkx2Yb7MmukkCrbjDggtYh2wp5Vk_OirMVgV9qs6mwLCHYmZhdh01PKMGO9bhU6q.HKTFTkAvkvr1tyaKGdhHwNy62eG.f_QUTsX4475QxXj4rxe24oy.voFSdpBMsRvtzK5FecHPlvMwWAn0ClrVZoyQBU73b7eQDDCnZybzn_Nol3lDf_BMPfQqh6U9FmZqXCJ7flkNft_O01B54gAyO106fJtcVHDImuWDylLN1ln7HbAzGIgn2dPnIZq6QpaQoKa1._erMtyFypdNUN7Wdt_9HHZIFNXwuFsEmXQVdWaIAjkIKLP9NNc3J74qfLWIArMpYRsvMT6M88tCtzYTKK_c0ErVa18MHdjJt_FE1GqDckrWy8_QM3GHjt5oddS.2P8n5DHy_aNFr5zlF9LdQ5S0Gu3wmPiMpMmGefxUjp0LgPH0A8N6LQ4KLcuDstLFdKROKI2P2lkUu3ZNdxc3odXTPTcfaKjAMXqHYb24YuKTIIeaaEsu9E7Atwim8WuxnknzNwDuPKBcdNqv6Z.s2fZ1LA_PdCmBY5P79G4V8XKZoRt4aWtchAGflcJ.4cgSJ6X2V.KYhmIcfBj0rTHqrV9OZ3.xgWo6uq23I008EcmI8zS8L971LYXiB55a_Ceyi44uDTcxKTPzhvugrv1Z0cbWI_PyKQkDzuiK_7Havezc1H2pmv3m84BMTAgaaVEVLVqN2V4rKxZODBDyI9._FUEuX.dlSPCTShnVNKOrZ8XRvlc91Ixl8273pi0c6eFom4XE7QU1UoWDJCni98o_v7quaC03OPpBNECdeGaJHbBe_9DSRMNe5SoQR5upcrIN082EE2W23z8ofLvP0McV8XRrishsyKNl0.rlo4ZNHk1whIfF3hzY81XnPuj2Kz4qmdkI0796iIq1oD0bMXrTeV7BXsAty9RJBM6spSkYEUzqb5UaCBGXy7kCM1nj22xZB5dVhD5Q0j0piagh4n4kB9dNXJGIS3j2PQS7UahdwKMw7cGaU.54jD7rajQetzt7_QCtdmj8Os1T.RMbeaK4l.PVrR2EZWZaX5Eo2SB0dJ8Sq9Oj2DvRHBbmnbA.1wJ9RRwjb2mWL.6xCaXZ7r7N7eqZIlw_0T0on2LzBu2VItOmN7X6o9WP5Tny3YRWz0jQHNFUKb9n9vbvG39OsRgdnJreh33ke3CWTvnERX1VzeCfQ.1rfdKC46qoWD.mXwKFKKOtef5UAe1dO3FHDLuuanHrUW.IxaV_NfDu6tdhkxPcFvmgRbZH9XLD55DuN_pPBgB28G70cGdkMUy7_W5EVM7uWaodco2u5vQBhQvw2zyUtYKyxqcNXfeuJnH_mfX6sqikinN.zvHSAtQVZlNVdy5HGH99LK5ljN0GOPlNK9t5NPZtUeyod_tRh.F6nyxC0NN3oVUa.0EWMw.GGQZz8T0ldYNq85LWmfCOIT9LFuLFOoYRMf0ZGXeuaeu8kNYPHxW1jG5uoGD9yvkq58fPm.BfqHj_7chWXVHS4FbQz4G0QSA6e5suwbilC5yfWcJCWe1HAzhb0Fg0hmU_u3liF8UUy_8Rz9UjXfZ4fEQ0pFGW6T0E2Obv57vOHFeDoZmZMQuSfSjjWpMi5f1_dhWSTuhYjS5Gxho93qGGtfpg9IdXtCeCf_dCOBj4KMQ5E9idi.Ks8FRkrto7CeQgny_C9p8TX2YYdPOPjngE9yAxXNkm9du_Eed5jL0LzhJp4PF.mwaGZsgjGpS6DPs2zpqh9aZlRjVr0ms9Q6_sBGmGG9ncqE36vtbthmtxkLSbciKOBYu6KbhK_SHhOgkU76ImYBhhO_cJyBhVrLMd5VVUNZKZ.nJMEzRSD7_7zJkfhfsEMRH4xd1PfTsD9uzUqUlu4v3vvEZKbb_3d7guVbRiJPu8a55XGNkBZTpCp7gLs9yB",mdrd: "dYBDQa9opHD.W.jWfUyvZzW1JBhsJCiBaXh758wB3N8-1739147288-1.2.1.1-2JXTDPrr4H6UbTR0zQQ5_B593EGQ.LgRqUlwH9AfxcGfly5HqvncIo59_deVSXRCLyDQmOo1munX8Bq96SetIMsb_EA7aBlGayU3FCR7iGrbQBvNN6nvqARAxGYGbJHhSQOi0pfUerjbtb61tWzZ69hUBNuQiMB5G0l1072OdhILtDIo41GGU9GkA36XMX9aSJvG1cAqkkQoEySOjjIL.yfCG2DnDIc7CY1z6WnwmcvveYWLWe4uXh6xtNmL7KPt8nFVAlHSGksHhJV9_n_yTttg7fwFKLnqHqQkAPLbG12v8yVIpHlLX1QxgceOVCTgbG3hbTcUmClXnVS2aSJs..MTsK9rcqwNuro0Y1ftDdGNrwlpkuA3cynhyJaxemnjG1sEAhJQQ.czSNuwEVRYSqcDySgr89UwusTOMXUFdg81ZOO5Mot0e7lZ4Ozw8kZDLUpjL_qAQYmlZ844ZtS0e4nTnHOYCenAgqOBJqI69rHMqaqNg7sDg4s5Ql18ZC4uDlb92bn3ewc8Q9sz.JzhLOKktJ2MyPpAC5cUU4Tjwci8xww2stZwz49XUxDFfDLWpRdQb1loSb3WMZQ_P3DPujLu0dbwFydBMXpfQPDPHwJC7ebN6lKH2FC5REU0qAkbCL_9CTv_ndElPnj3h3vy5IwnV0Fn2gKSrgAFg3heJ53SHErh8MjNB2CZS0UN312NpOkyUly8XkSe62NvzNUx7tLqfuTU662ccanA64OP0xWTMcz_w9sktObrjDeFeqlXX_UVd6WyvDeTl09LqVSsi2z7sIvJ92TwqlyRbeSMzngHOiSXM17qvAB.xgpVoIRAuCBcGt99ti3zvi601iLlzOevGNI6xmmVRZVYx88xMlPR8MXPhDl2EEsBcGP0PMw2cZrFEmIpPUPpEdAWQz4YPyW6gbPBGpsSc1ag2yx4P7ukjCb1a92DGp0CMQLjMsrNsr6l61.75wRIPJUXgrbVQyL.aN3zha82ewkb90HuccfLqtnD_KmBPuCj7Yibw3neFQSu868mROSt7vPLy6whV9JqLYN5nLSImw7_PypArl1E5wJ_dgeu7mpdScFl9sgiszT5gwyWhlimHll2yFUoGjqUGggYNBjOKvCxjp_4hpMlszXUpQr3IWxE_exM0_riRH6HWz68KGuvIrViVmpTyiRModwrG.2V.LMgfeLAUXkkwWUlrDxLw9OLy0svovL7s.708GyJroDnPcv2V3eLJsJiBT4gXnVW1IIp4sKbnYwShDVv4_A.xFx588KYJSnCLVP1IC5iUv8zYgQHT._GD36ZzVJFMfgTfN5lAFjlpjulVcsD5zxXbBXwnqgfI73hkuPLXOPCgtomCxni64EtC2Se55l.fcbazh9DIqh97jm0z_bQvAZCJ5DUG0uzGDCBH8YGVUonwYEk40TaTiMPwSI15ltAvRqi8fSh8epaEp4zrS1FGSlxliz8godFHrgj3wiOcZjY.hk782CkClK3pp2BXc5pj3XX5Aia1QlbZDGDTy73TM3te5d9b1DYS0BEffsmAIt7fgkPTw60u59lrIAM9pgJrWD4IVIqCvPTqd4iP8dEnfrqCiidUcMFGvhk44Iuzf5.uxy8vz84r7wFL8vPBQzW5eCpcgaEFPokoCGjR6hpwTNCkiN1gSUD1ei.FAngcpwcV.YK_qyb3GDqiy07sQgtOgKY4hBx5_NJlcJEpVqS6.ltmP_Ebzd_Xf.02aFqDctnAwxmSzEpff3FVR049ofUHjVU5wDB_uxjRSmunrbK4OIHoAS1RhIa0CH2cej1Ramhn0SZa8sYIJgPgw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7fa392aa2c58d';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\/9165720483?__cf_chl_rt_tk=AaA.b8O1Z9JQCRHdj..3pwQMlR6bGOaHLkIH7SY4T.0-1739147288-1.0.1.1-caoeHl3_qd8Ik4cKuK9o7t0QgZT8EWUUWcBBByqOfzc" + 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