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-399828919748.mit-edu.top/post/2015793468

  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-399828919748.mit-edu.top",cType: 'managed',cRay: '91066051faa681db',cH: 'zJ_yrpHV3yJRd0III.NjZdiby6V4PIrW_qWOXRIfBe0-1739298271-1.2.1.1-tbHQNeU0OXZxmeW8L4hidWdZOkjLTfhlX5eYQh4JOyx8M681cTeErGmx4Xpsbmoq',cUPMDTk: "\/post\/2015793468?__cf_chl_tk=3Rue.gHPGKdEddBH_uJDRHI8S6hPxzoeZFOJ_ko.6Uc-1739298271-1.0.1.1-SYIqbfznmzcgCWSsG73h3TGcU7067Lyqz2ReT4759Ks",cFPWv: 'g',cITimeS: '1739298271',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2015793468?__cf_chl_f_tk=3Rue.gHPGKdEddBH_uJDRHI8S6hPxzoeZFOJ_ko.6Uc-1739298271-1.0.1.1-SYIqbfznmzcgCWSsG73h3TGcU7067Lyqz2ReT4759Ks",md: "COwxu_9.qBfWmvO7INLMMivCfp8jNMpfSM3xzpfJbfg-1739298271-1.2.1.1-xRIpunmhTkHvD3dBQgTIxuAlEA9yzMK8CSD7qk9e2XglfgQ6iQgHEKG68BNAghBpsdekoKg0GO6hsY8_ZeuqQnaqwmgphwpk2xRYIn157.j6sRwXTFpzdPF1IhG7QinUM5t1GPtK4FbXu1on8OeDHQA.RpPXf9HsjH8IQoo4jIXd.EQ_tnNKNVHo10RFFLHNZJm_ePhpFgvPaVPJkBMIZttB48si9.xltsU9w4wiykMOzOq1orxFAK3L3RCLMrlWdbUuBcQ5nOPk8Pc85wSJD.tmGf8V5SDK6jLU61EghMK1qij2lQvNvNLdCHyUzJqaD0riL8aVVq4m9jNbdZL1tigwwPcgtUC931yDMg5PXrn0TZf9nwjy8oLofkv8jE4jglURO3CQSDwli0FCMAjBtAUJSTYKFzq2ZQhxuOiLMvwy84w6Y0pN8cOOq_HnByultG57I2p5CXcJrT6G7ofDrzfVJTjxTid9_IcN6Nk6vZfh_cGYsRfuGEoEMTJfD9Fuz4dYPKWwzWr2wm2p.JoSohVtivh66ARSTJlNFCog1wLk1_FJyRgiASolRacBLLmUOmrMRP_1H_eooOnMJzRevP1Nv.0FzRBW_w1TlY_4vlFsO8.eOmZTxL9MmONEB8xINkxTC.VOnoYftUEUN7a_zwlQ7QsCwCZFnfINWR7Sosu_4BxlWTpj8mjROpFBrb5MvZRQM92Z522.mKjMOjolOVSKWiVFdE.CEQphnf_4QCQw1omiuFHVwv8junhqz7MT.z79R.c0GIx5C6Rye728C6JLUt6bHosfPpOa.NPZP8SqyKsguOXDaMl5eA4SFVzlIWnS3rJlwXYQXnbtZL52eeXY5lGbUxYzXS0BhJq7OQ5ec7TRS7HcNjbiBou_6vg5D5N7kXQc3lhsgFEcQ8kqs3FYX1mAIF6WHMNrzhnUQ8Y87h9S.ApfOGTQQ0lQELxu3_emCfKqMaW7ZcoN4aimFNLrTu5.Yw04vvV8MuuYnUt_TNf109hYMEpx6vFo53Q5PY60bR03T6DBz9Ggl1mqshiSGSup3w_dN_JbvciVTpt1p0HEnmCguai_DqJs1ZrAzQ9u4i30IckLf6Z0Cr9yK_h4mdw_FTmpz.C59WRKGWbeHtGi3P.ZaojXbCRL.W8RI87z6XyLK018a4.XqR8DwS77yeLAK_p4FMonSJYapDnJSZx0iZ9H.0bT7SN6MhOyGf20Pl5AP_aEl7RzY1FHqHKVzU3lk2xq2uvEpXaWJEczPANHyLCJXlcAztALxXeh2dpw5eiCk5jvSDoFls87CBQaJovwg9qB9qdrSGYSEDr8dB_VuVTKBDA_S7rrq.89bTNtX0jF7S7DYcqc.DCrWAI1WNOuWaRgsQ2fO7tD1CRuAth4etfxoqKE3l132HBonxmqb1Wo9Usr2bhq24xC97zV0H7.pg8xA5k4JXp5rpGdmnFW3QFtTbYIIL1Crc1DtH5s33PNd_mhTZKS.XXpoVofbutLJrDSuj7IeLE6fNV9fgub2f34LAFon7BWYoRH7PVZP9QNPa7MsY1174HlRhLWnu1Qpd.L2pVGHb4CImTGNs_woYo9spJrLAfT0XOyW8cOPydtldTWGeS_PaY0Jp6D5WJYNcSuVBxQ1CtosWYPl.M6qXZX1WbpAIPP71q6XAQhjrG016_vjqcuyt8pFpJCJiCx4bWVgYjLv86nnj8Cv6P9_bwsorZzYaYXquCoSn_WJ2XY3MdcQpqyco0RHqhdEhyi7zbmagFC1BkuzOTSpcxflQuTs9CXS9yA4pZQW3N4HBhvKg4GDIchIkm.SpwQLnMQzr6s_tmXF9U1bAvBp.NfrHN0KKzcEJLCFpoKyTVohBIt6Ha0PFORfXnFXhmvhV6SLgVjG0FZdalMphob43X11Gj7VcTFajSOB7Bv8WrBjfdUqqDN4tKwCdYC6ryLEmVHXn9yF5clxRw.E5bSJuINiyBW1as2qBEFLx.lCCuTIapsTJHVLa4bjYwIrRcIgG09qAC6EeaoeCTUhXfEp6vGI6NF8QKrgVMsSe714jxfR1JHwWbQAD2z_9_XgAm0XyHgsl2Bew59ptdGhbyaeMPSR1lG7MaFnG_ayfjhh_zCLEeFhGqNEjSKBh_A3Tx1mOxwxzBDFYvLwLsVcYoq6PMMHq5Etu1Es0EiUw4sKzXdmGJPcVMA_d0NTa7b4tBHDiYaTzGPNhEYKmB85KfXGU3zOdlosTFLJ0FANnRM",mdrd: "BE1gEgin4Q41OYegdt7fjFaU9HsITmTffO0PsUctqvc-1739298271-1.2.1.1-j2.01kkPsMQ9RfTtEhbyGtC3f5P.ejy.OH7WNYWxcHiNpG9rLhZCzhOctyYPUTh1wgNPSI2KSLVMCwHK3TEzbOktuERPl2c1Df1ZcpkZ9dkyDUrOcszCMELjN_.Jk3oD4XQKW.GOT8SfPSPk_uQmWfH0sOb_DcVwYIzGEaNOmhMyfvgG5KGuUdMu15n8j5doEVOVSbwkbbUAKE7vrpBmhhErFh9442Qfb7aUKMjwhzOH3BDwFoAMPXRlvSCRJoCznA3G.wW5UPgRq.Ad8rCWg55rTldhZ2ZlJYLeMgjVBE._LpApKpHq9UmIZhU981YrN7HWvtbkPfyWfC6CTTB5x5RN_HaVI9IqBU6x4Otag62xZq_5ShGpM6lf4miOx6r3R46RYBhsko.rt6B1fGWkSZiUCtrLMiKR86LhFDe271Di9dOSiFCdJZ0u_V_uFq_V2AdZxp7eZH7UEaNyVAFdkeDI_FYATMeqXonragB5vD6oujtarZXFm4ohfDUPSVcxGmxQC6VTRPJ.F._0PGgk8DI8Hj0Jn7Krnm.rz0HVbTs5QxQeNk4cfzeUG53cLrwHCDM9Kp2I5gz3UxjK9rpLEDJFdfShOyJl28edMHn2YiRH0AxkuhDwPpgr_f3yycfWJfaAa86YoXsjplpvb8XkaiClP0kqrV78oJcuyGsH8s06qilNV4hyLpBazGYXLaDeTRzVmae._Y9L6FxIqlH7svSBJH_yXK14RAHUdHBRR7PrCsSQl1mujSp32DgSDFAYFy3uwoebGaW5NP8NxNQK.bbvNK32Zi7nWDw4zBAEXMdQ4GjI2rJjzSMeXZgLXaoVkUS6FvV7cf5FCZEXjzaPjmCb_A3sHurwlqieY4ufZ_5f8TOCu50Ii9vpsKdLTn96shQubyVwfN_T7YzTc2WzxhJLc5SQx45SjzDvObceiwrhBbN.ChyxGWiFKPVeYvl_6ch3LfBaibzzKK8VNzeW21KY847iUPHyK73rRBEe8Td4Q0PCYhY6tteSsV_RK4zlK0fLwHCjBy8H8NPK.pqJnI5pcWbj7VpuTX5Ui22DimC9eNSYNdNoxRByH0TKNr4WaQM0IpLeXx13Q5L5fgbK0R3Q2n93bIWqcMGa5_qNA44DDYGHTtwIBncb6MNzqEgNXizhvjXMONq8LwUxS.FiGMv40DZqiebPaAaeNalpR3bY6bTX6cDIwBuGih7S6F7UVdraud2JXZQ9drT6k4xTM8tZAV9C4TXigbGmGVWe0GKhfhakR0gAJV3v.9AMctRQQvfnVomVNl12D3B2eyoCn67d1xcG74rDCjL6KaMRWKFYPiktugcM5mNFGAF.tEVlo4xlOIQhXWm0xZjI8IneIw2HWoKoDp2usWAz3AZkg9j_GoBGyKzFcbV_4AnQnxiV9oqdlrGIPm6BghQFoU4OBhQx5r3_BsGTGMwNn5QzgVfmtpZMxoAFmuVXFDiCXDMNNjfCJ0ZqZ8tn8kYnlvB_nGQ16PGnQNnCgyJMrreNc923A.1rIBmutCdDaBAN9cL4Ud.4g0PAov_ZG3cYxkNHcEe79K8WM._NhhR5JBnlq4yZByba38yf6mKuaDwPaNGr6qsutxKX5DRRzPc9rlHjGMqtBW92FJ5sNIHNFng.bLeOTx.MkZfYpZqBolWefB2Hjj4OhFs_iRPCLQ8HoC4f3hREOjwziO3ZmwliHYJ75x4jGwaX6QzIF9FXI89r5V1lCiezF01hrNi0p42bvU.agC_A5XwXR_1kthNEiZZHazDhnEj.S62tWt6rn6lBC_01SEmv5CG2sfuxWTh9x40k6Q"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=91066051faa681db';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\/2015793468?__cf_chl_rt_tk=3Rue.gHPGKdEddBH_uJDRHI8S6hPxzoeZFOJ_ko.6Uc-1739298271-1.0.1.1-SYIqbfznmzcgCWSsG73h3TGcU7067Lyqz2ReT4759Ks" + 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