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-127153313890.mit-edu.top/post/1604395872

  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-127153313890.mit-edu.top",cType: 'managed',cRay: '90f380b70d08e647',cH: 'Ek1cTx.hC4uwMDFXCPQhLe132CIz0eyYXPLfzR8ocQY-1739100368-1.2.1.1-IeHumUt3kD8LlyNpdIFu9YKxsVruRoTBpFVlaceTH_GcNsfLEIb_4DBZDMMSKvfw',cUPMDTk: "\/post\/1604395872?__cf_chl_tk=n7Se_vU79aCBCq9xeDfIQPTMefph66N5g0x9Q_SuFMw-1739100368-1.0.1.1-_XAznaosw6vjAT0wJ_dI68hPZYGYDu6a_ol8KSTf8rg",cFPWv: 'g',cITimeS: '1739100368',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1604395872?__cf_chl_f_tk=n7Se_vU79aCBCq9xeDfIQPTMefph66N5g0x9Q_SuFMw-1739100368-1.0.1.1-_XAznaosw6vjAT0wJ_dI68hPZYGYDu6a_ol8KSTf8rg",md: "iIVbY1JWyl2VH1LKx6EQCoqfaGZ5yHIiI1j9UqtDC8s-1739100368-1.2.1.1-EH3iVWZDkfLR44PgK2hgeInHV48_ihYo7Dt.cnKdqQIw0mjVqEm1xZnl8l0_0koQhXfcxjmZO1Uym38v2NgrrL6ZYZNj6R3Za2mx9EdR7HEoKTB_I1Jr890zIOY9N1zAxlmO2sD9gXyr1rDBno3f0Nxp080Czf7.erXAcaXH1LFGGA_iAf3kTjHxMCC0jQl41bCzMPYrKdry0nBLPuNfxn6C_Mo0ClWXlFLIB8nytDGJOl2z83t1hh2GuAlZqGDZvpMvZsI4Lt7VJCeBCSjpqOXLDRAgEWYVoooyFMY6oIWjlSIsCphjP7XrOkBQxEvV7FsF8bD5.7Vla1Eqxun6ErbmxmxUWGGdWUybMoclE08Dlya1RLCvzq5CCWUp7Q0WQyCFcITJ7z1SaQ8QEy3rS9WYDxhF50cULkPiCBMxSg6xMuZeEBRUBacNrHfgyc52AVaIf46UeN2bGmsRqm_Dm6QwZCvIfcvN96jvT4Tem_FsEgkqP_k.lPhmRaa.zEuetkpSf8pW.Pae5Mzi0c9GEJCFhQmYe0MvgQfqItsqXrkm2w3kl4WvdshqzVRfsJSuqJOF6467O5U5Ge1h733SfWf_KeEPAJyjmHqo.KNNcu8qob8CQdJ_H6fcSkIOSe4xcSUt56_jJgW.zXEIGQMsuIXk0U1NA9S7FSHYuStiQs6XlJ_XB89ZBvnQ4j9uOqcUzt13jCzx5Hq9wJeZuVikio1ERUX3tqW2G0TG1ftbp0Ypm.wK7yZy3Nmu_dCSEuRl52NHO2KCdf.ETUfBX1l9z4NyFmFz3TgUkSLH3jD3qlGtAbeCiDZy_GjpvBiHrIZWFN7rnCgeqsvzU.nEUxN0Bi7ldJTyG_GJiFmyb4DziApuCPn44Fh993wTFUxeDrCKH1sfyJI6jbuf0zQk7Oj4zwIhahEyWleRYEOPs.eEBWyvS6mzd7VLeUJx5t6yov5P2RPlcaaotKkJZ8xV2VfbpGlus.G5j7uV0GPVAFz2RJp_6DQru4IBhcoy6jWU3Gp5VlcgzLykAbndZmSSyvdzX9al_rCknF8MfcZWOrVlj6GLetFWj4mIQrM5NRDHLf2NyxkJR_WYWfwIIQ3az2kt2gvtllmJ5Yf5AzW_zHqWZZ0MZazCUvgX782lF4_u34t5IIy7A92MDsf.Bd3vL4bNZGGesD6ZcgGk42R5l_OtwPJNYRZhUK1qAcRGtSgr6esvYv6J1jUdBrIiJ5ApT7rz7Xx2lXZ8.X4.MgJ5OLFBnh5Amd5Gj.TaXkZbOgKqXhLchZ_2.HAmFqq5YkLwe5HUnTlEl6ZCDgI0QqRTinRUSmvOHs0TNXb5nQSRzIJoLUt3XFQA_c436iZFfz4Id_lT20W977G2bpvuT1dwcGa46xCbGw02g.4STapxysyzq7HlZfm6MZrCe75HAUWHqzrKg_eoqrLrZmsSEVOyWyLJ46PmuWFGA7zf9e.bDL2KGaEDossuNNSPVOh7uSbdmIS7cxkHXBDLlT1GQ5wV.0RlDEy6jVBbhQxIGSoFypzgP7VpV0mcGbC2d1mQde0USMllu148p.Fj_EqW5Lo1EBuKqoe4o1w5AfSqaCBxgcEMHeakuBfh5a5v_iaOV9FRXY1Jdl2qEcQ2IQWqJ6pqSWWIE03jWH00FQzMSsr.Jr_kfxnYuUxJoW5lF9o8U3WrLZEXKG84Hje18X0tYrm.cQrlgvPBUsWbL_4EbMYmlZgjD8Q975gxD29DNclYMNJuT20cLZx6YmLPCc_TTejo_.QWoon6Ra8UDR.9ACyZ3kVMUzZ.ccWyQXIkWiHnhpWSdp5e4rJfOJtbvS9.Yliljt22NKFcaR9qcP4EurI_idwaC2cZsArBVe8obpn23pEY18OzZdINPPvbgwb8DZ8ez1isQJy5NXpdAlPPX.ADk86gTDIfb1junLFUXK8O5BVSuNx2FhhKjR6t1GUAZoiqK11UAr9YdgbQzO1x08y3CE2pM.r9Wd1EB62dJSzeD8tEAvkX1E9majllqp38K.yaEXVZxEQSZEcb07kYovmsuTg6R4kVDkAVlSRfntwvMItAiO0P02PQe5IFBzK5h8vRr4EwM.P2bSs51H.whkC4vYFznSOrGMPyju.FKwzAUhTIb6EFHfCVrl3dpaXnB3_R2zHzmLqOozBMPu04Gzjv21v5SBVeLPbxRL2g9Iss8pMLH0kIN7axR9_AZLvOWTVPQ3XNKIHkR5ehqYzXYVI5xhiQORNt",mdrd: "h_s3_xE.aUvCfyfMIw.iAk5rtmDtlZXdzR6QQ_rxp1Y-1739100368-1.2.1.1-efkt5qDcK9liPnVdDT24MOnnNocSfoqXCZHRID1VdndcSQ7F1LbTMzbPArhZ94XKlQwoiSo7CNPTdylkLBjYPX73o6_EEdL1PKleke2E8ygrLz01GZ__G3BT8JPwHRirUQqhhLBZzNVG4R4xBRgqz6emtUBwh4tDMQWNKCHPd0O8dqSdrqJLKa7DgEFqidXYQ8mtnVfaWLa0IU9HWyrKcqNrSm6RgURe4sIShntpRuxs.SOsmYnetvttoFtHPy_9sH7K1lEN8DfJui4uPOsYrNTTIwMZreGa_D.vp6ghrSPTUOybRNxJyVsFXW5DrKfLuCzSKhml.I45111ESwlUs9I4JLPRbUi0RlWDG1nTZLsS1jAtqGjbdZtywIRZDjfSR_s0J..hut0Qw8rhtt6pyK88V61hjgOOADV93AZPmfvs1dwmdSG.gO7JpLl8fR1Ozqcw.fB0I_0MkOQFiu_.Jq1VJCEpdb5Lv_UmjNh_j7lZA1d5gfc4lUVidXq2L9xgUdZOB5URxFMacfURdFkK0CIyj7XMnPqW7QnsrUOv7T5R0EsppT5nYpNSl8Wz.WyjO57FAb5iyXESlDJS0IAZa9Dq0cewlZf4Svilz38B.egnZx62YWpN4dSVB16_kl3UjaKkYHEhb11fJF8XfyWbI7WbUIwnNfnb7eEB2VJYpspMCls6EsvyruJCzc3Kjt2kkXkZvz8JJrG2.9VTbruBZvSe.jzrcg8xwFQcv.75yQK6nFrel92PeEObs6FSSk_q0SA5uR6X5WKH9l2CV429.EerQOd5vOyiWwMpaCli6k9eockdEgJ2pAPfka.ae8CUfSYD1Sw.941mkcCkIlw8jA7D50.DsKsw9.k7mUtcL40QOxoSKjCqAK9XYIyRSX4tiRa0sA25x47OjAYRPvj9jh8yuq9DmoMnMDspHz8QqVf8ld17Ly4H8gmDGlnMoEX0UFCyMR5Jl10aacovCkpTBp3GHx4krHHoRtgLRWTLkDM7hCESELt4EyL9sd0nC97f.TgRRTbjn.TBoFq68.JVQpXhBJaZyWMhuVlnaRhjXy_mg9HfQ_KRKE86mgnQz8gOK7ODnicQxFYZj1kKaEZgfx6ttSBk1cKRYWx3G8V3QwshKSP.lA5vxo2XQ.JCxWvFyImcU9CMgURw9kWFHbOcFeffBLqwAJyNPscBhi3.mBQcKxnr2ZE8H7LtXoMTftxZheZzIZtt5PjJnFtVUUKk2dozivVGq73e7mAaaWaKcv30uWF8HhJDvHfz.bZh9tCFODCbQh1khQ2XDs2KZClU2xOfuvVkvf1OEaIGeDjPROhGaG5wNIcK1r7z2hygJ6_oa0_GJ3T5NW3RAoBRbh_NDpK1iY0Z04QtKR28EwSduLx.wDIToDRPj3qsXQmqovT6Tg9PSVEQcSGxjt_3Qh_w.hs0jICayJlUL2FYyVkAY17hEfUdxVZ3LgPh5fGsCVUgU46c3V43DPUNYHcL0XzsylrHhEb3CFtMN3_mHEHSi6uTK1eExKNQU2X7oMee7h9pw3wDDthRF6S8SpajbUKbwca8_zu2DVqrs800H8cxBfJvcURDtnnVWB3qVpUslZG_z6qcBmd6ICF3AhIV.Jxld7N_WXtAq7sz9v7mZacPfLfLfCYjTBDCPPnwKwWnuECSgk3i9TzdqyEEbq0NoMs.3OHr5lZc_wzRjI6x9avISTlYItPk.CEBtPcNVrjX_1xoXJLLRnOJ9Cj04p8kMczRcZZ1PC91eMZzQGmqB0_._LKN7ilV2KhQDnFjkjI7U4ZuzqXcTUzkXIJl2mvYrGAGzLs395jzxUSd7o0gZUZld3A"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f380b70d08e647';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\/1604395872?__cf_chl_rt_tk=n7Se_vU79aCBCq9xeDfIQPTMefph66N5g0x9Q_SuFMw-1739100368-1.0.1.1-_XAznaosw6vjAT0wJ_dI68hPZYGYDu6a_ol8KSTf8rg" + 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