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-affwp6mup.mit-edu.top/post/4261795038

  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-affwp6mup.mit-edu.top",cType: 'managed',cRay: '9107b3b17931398b',cH: '0IVij0BAc.CkqzWHCdnEoKDDgOz3eaczsp5BQ05WnFA-1739312171-1.2.1.1-Wc0pHVwR2u1DQVp4xihWCiqIYJOVavFjwLsDumZ.qhka_dWEZON8jCfrFJ7N.gnd',cUPMDTk: "\/post\/4261795038?__cf_chl_tk=JzAyKgBu568VEtxcYLXbUZNMBJDt2l7potxP4Ru210E-1739312171-1.0.1.1-lkF9TK8cUfJzJeCQjQCN1sdLZquWrTLIXcxgmf89an8",cFPWv: 'g',cITimeS: '1739312171',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4261795038?__cf_chl_f_tk=JzAyKgBu568VEtxcYLXbUZNMBJDt2l7potxP4Ru210E-1739312171-1.0.1.1-lkF9TK8cUfJzJeCQjQCN1sdLZquWrTLIXcxgmf89an8",md: "SCQ3alSoHiIDaIY3YQ2PQ_DH5u1v3p4VvjigY0OFXfk-1739312171-1.2.1.1-ViJmLQPYYwcw6aljQpwayQWs.uL98R1dhcrF0Y8IpbbfeNJS6GQtUx6uUlW6KPW_7OYqq0kYYj.N6AwuSXS.hBOZd1InrHXBbu4uZa2ePLktkIkIpsnR2YTs0qdRocoxUru0yfAPhismzQp_i4dVzbnwQU6VGEBboJXRyVnisk.RAhUsZwpgg8JMBYPsploksO3Btlb2MwZl93cmtw8I8clKJbzll_O0HY1vW0pK3hLKsLO5G8Nz5tF_jJgHIzAOy5rySjx3W6t.RMqwbYcNJ554A8c.Ptfx45YweXWgeOzIoNqojb9_5WRIqSSgCIHtL2ieUvkkknP60sqnJXX4UpET8373tB1duLSuADRiZJkF3tb.bP9SoYbfhMux9d1ofd8QbokCEB8gmtvTQ_USexYC45Oj39Iz.Szem9qf8hLhb1Q_XFDOOCVW2.trPTF9stUTH6Y7QmJwURTiWF8722pH.ZQRuewQ1IZThFEwREko5MUEGFSi9SX1XVzR6lfgw.54XwKuL5JJbvqryMaQx_XxwvKulknWTJY2Ni.bfO9qhXsXttQA65HbtPlCgVEM8cJzQny1S1oM1BJ5v2grDIJEwyTc.EbU0CEejw_f9wORAkfKMRPqQCIsKYHDnf_8h9raZw5j8oUbbetqvl7mx1PIGi1z4dZ8HoRvIz_hiB0iYwpuI29EueQkwLccyKwxNupY3cleVOWszG.qeVPtpexCXhKhZEFMqGysAYyvZg1gO3Eu18nJ66NUC18txuRH.hOAq.8a8EmKh58uBOZKo04gbLK5AqAVpc0UtGV26FVlcES14eDEO7RMwIrdLN9LWCffRiq3WTeXhyBNhy4vCH2sh8qT.guf2r5bRHiAniMiVOMibJBsfE1af2nzUWhKPvgVtWN0EGqR47sPWBdkZ_VbG540m6j8WJiNTZlq0lC1I1FocC0GMioa8Nk.wwsxIWyteGDuXcRC9EHR0Xw9mibN2Tb00xQYGUIUmFfkoA6B5nx6eYcn.cQdTwf.DkcomTND9Gq_xLIVIzFmnpg_jn81xh_B29ET7qOvlMkNsBuCj2KHIOQ7l.jEynwe7rrG5xU1ET6F_9HgilT60iwR_Zermz2fCrxyFRuYiLvruicoLKUoKi2agDDE9KwIzZcqxDO2TXO2JkbevNjXFy4zRB9nNlH2i67eoBeL1x5f8iO_gzfoX6uIu2vpnuSy_5IsMJGkr20fRr6AK8b9CJEEMh0nPPMBOXacLDLkvMvaKUXZCduzEPWhC3X4jNGPrlPXiyvO9kORK7Hjroftq4FEAyALdz8V_YZLSxKNc5PJzTIHSj.xX7QAvDTtolxsadsL0rZXzJY2e3OnTgn0tH86Asw2AEvJan7tKwIh8nkCHwEf.LXCBie0gBYW.mfmOyPoQ7imZulLOuzf6wEiNMC6zCJTGLozMUp.RubSRjFG4pgy4YAl38Fuq7rIHn3eWg2XkUxDUckSlev28TTnu8c3dDB6d6G1hrPnl9fiEIWCd96VIP4t3vN2Gq08d9TCl6ZTv2FTzwvQTVZAm0itt1Unwbt1YASdMquz3SVhmrtj6MXpl_vXS6uPBNP8.z4v70PS3dE3gjyVgK530JcJAAzD.09iBbyQlbRFJ2vc0oY36Kg82PaJ5svADcwDoDqE6aQVRXtFl5bQDB9QfWWqvspa5_m4hQy8mmFAwsTlgHU15QKjVSsprd.X9zzpt.IKIew_0TkHbWXMTFsAw7LbvcO5tnSGSPWTwij_NAfUAF7YZ5S9EqfLt2oIOpARlG8_2z6RvBpKdA4lvGBTWyVpvdK80mQRrXPd3yE29Ii8jN2f999tcvGhsBG4UIJWLB.1wHJddF2GgyJetokCC4qXP1JIzwhVSmoiREuebmyPmec.mSaQqTsf4sMgJ4xCVfuszK_15RM4itwB55Nfd0scONMTKHxal0SVFgCbuiFTCMJaj95uLK7XBE87AF57PRpQgHGVDFWzxVsp8xOgRKV0UbjK2eowytsekqaYpVuADixUUqDiYrOC5nS._5gOMeDkjXAxtaANXacyBupnTZLwAy10UdqmWAB8pkAj2F_PmYePd40mm9mRmFyqoV2C8.CvaCOaF1SNKzJ4IqAtoMxjMxkNKRD4fpcYLPIzhtHaDhYIw3.74JNzuJJrdZ9xTYTl2LQqhJf2aXC__igmAJNWEWFPm.Kq6CHSUhW3C01G4TsmiDly6Y7_nv.N1vji913Mw2Kr",mdrd: "bcSt8T1sXAst93tW4Vvdlg4VrzTjsKKYYUluLXpklfY-1739312171-1.2.1.1-iCTm_gllcQMA5evY1YMb4jZXtVp7ovPgwJpmw5bI3.Ucj1C0eHn32uW52XDpgCOehlc38D89EbmvdBOuODUZhU25x5cmimWmHrT7XD1iXp3oNL8Ffgk.ghwCmfLvj7nxN9PCrtOT4C3oAZddtxoGko3NcUc3sw7GtpUrbBXvf4NnDXzubaS68jtZqkv_Tkf7a23zAqDtfv_JY6FUM7ybZSpCr45MzOJtHdZ1ynXX2F9qA3xryHzHfS7SSSl4pgxpq4MS2gw579src9YOo0eMPS8FKv63R6hQ1vbrB9uAzyEOJdfS7uDKtWoUdTXwkjuhoQnVwvQM7wg.VFCM9hF2mLCEIKVId1BcV3zIJipjOHzEKge96vfhuffwmQvEDjvRfyCuBStfTuLBc2By5dEF93N46sFctvz2kTMvly0ZpFo4XTV7LTWP_d9XvjLHxnWNiL3BTFmeGwIx9v5.iVGZfw2Apko4HRiohDpmjLIGhls6QX05E8m.Eqn.7NQ4MacFDKF4UHxsJiaRhScj9FEadxkRP2FVHmce3CY0rk_vzmrXhpVUWzzZaQIfj_zvu6z7AJLycFxSJ9IzXVrpGJ49p_WtAWjBwUMDMBtTt0mKSC90VTvyb.Fb6p1cli_cGAOasTlIElchsxU7GB7scIaVj_7JqNq7A1JGHCv6JoHDDY4T.ujDCEIj68Aq8ZyYHxwsXxRuPpFSeUCDDwSYO0lwzOKWbSPS_A0XoxZNhiRhIGWVbDGmVFTT8MxPDp4mqG3.78kvTO3MEkIZyvmtwA.1mD2MPRq8drSOFTi2RX9O2RwXduYYwt2ClQ9RsCsEAkOS1QW0sR6b.S1WQ1TeV0FFN6RVtAtFIvbcnVrxlssI0mKGtclNymv6t1Crpw8bEhgtTidIcQlelef27W5vtEJ43vsynxB5IA4opYsRSktxqO3fC0iHl4AQX47G5QiMzO3eimF9MjGmb2Ss1QkzH5Lmu9tSrDkEaydvyJhnn.1q2C5FefCAFtvmEHciSHkaZMCwXD25zgdzk5tpgrm4rrmSFI8wnn.lplOVocOWv55URlSykVsLH1ZSsIByBxeLsK76VcFJx4uVApD4cfU5c3vrBq77qLpWH8Hq2QMUMqZKaUMNmOTEc9Pa1ioMVTYWch5Et0U3tBICjP5Y9LyDYXczonAwhonWtrs3liJGoW1VnY_dIjkEVrpm8n_.h31xA4QNGVWAgitqFhRSsruf6PXbjdxHeCl6XIL9f0So1nBSk77RzU38.4S5j69LubAj4Iv_8QLV8QYa58DLTdIl3s09BCgt7nNDejF3ollt9OyRCFbR4dXCgAlHRAJ7F8NZhCzIphMvHLTu8w3zLX.hNaQknjq7.6sgLRQBpnnsc3sNgi0qDOrbb1pt1ytFTCx39DhbmAF4sGWCQLdSjYN8gScvkUvD1F7Z4od0Xx.6psTp5pV2cXGFEyZcXW_2QYSIHcab0Tgc311RV7M1OeXqWLZgXxHQJFXcIBuG6e_dFdE2hyTBwk9fBu2wgvLIRglT8_K12AVTnjtpH16DT37_iI_EEXj9rYg75s.2OXsJaIYAPyZi07gSLz5Qs6gFXl6e_jp6bgSMWpSwWnLHQaDbcKkWx4ZQNlvsL4Zk6C6kSGFn5g_3uGHOhzM6bpdOh2ULoNtBG94P7ci1FWdgxtgNLTz2HGnV_SAPLysDsheGpL9Yim3W41lWg_M5zyuRCKWShX_cxf2FJUV_ynTD9vxxClGPMtP05PDZCCkauak2_kQ4k9CUrNBbiqBkWI6a6UGgEpQjY9DWoSo_AcII5LjCZwHFPg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9107b3b17931398b';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\/4261795038?__cf_chl_rt_tk=JzAyKgBu568VEtxcYLXbUZNMBJDt2l7potxP4Ru210E-1739312171-1.0.1.1-lkF9TK8cUfJzJeCQjQCN1sdLZquWrTLIXcxgmf89an8" + 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