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-442159463711.mit-edu.top/post/9073268514

  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-442159463711.mit-edu.top",cType: 'managed',cRay: '90fd0534cb77177b',cH: 'JzeFh2OxjdTWK8II_wLRnarzAhHY7OgCSv6ldeja.Pg-1739200167-1.2.1.1-6knhnaLw2eN3fq__05We8nNxftevMeJw5U7k.xq94Ljn2xJQ840raEbD69WOSEVw',cUPMDTk: "\/post\/9073268514?__cf_chl_tk=amSBJUmx0uvO.FUh7ttWODa1BiGrRR4RXtlJBqH4nGk-1739200167-1.0.1.1-FcDLq2qzxGo7tAm4lnlS5EcVeSgCYqm2MNDLgL41GtY",cFPWv: 'g',cITimeS: '1739200167',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9073268514?__cf_chl_f_tk=amSBJUmx0uvO.FUh7ttWODa1BiGrRR4RXtlJBqH4nGk-1739200167-1.0.1.1-FcDLq2qzxGo7tAm4lnlS5EcVeSgCYqm2MNDLgL41GtY",md: "DsSL.1y6yA4sMaHGm8CH6UVgOcBVAQP0mYmgnELlTXU-1739200167-1.2.1.1-Sjpc8g6Pyi3zwJBK1H8c.hr5KNXMCdBWQ4YMx0d1AiWRly.phILP.Vf2YfAHS2j08csNLMUTefR2UJp59F7ZkFf5qLQShdJY32ECr5QfAmHDBFMDjwpSV.rFAml2hCJkua1KcNF3B3RlzHtescw6M4UbI1DB2oZ.ig0dTdpvzvAaJW0zAdvUvZB_HAyevDE4OC1Yl4fjCWd9qepOhTQN4oKMoyAJvrrOD6.pldi6CRoShCDSMB1lYzfXac1IgfpJIs4rGzsaDYC0gs8SwpthSFWOB8efLpcGQRF8BBfFH8vaPGgiwrZs09NmKR0lWwCd5Z01MBt.qaRywijTdFy0y.WmGMDbaEqkVTEAwbq.7mwxNeQzr_1I29METwh1RQLr8m6PHKZTVLZXGc_s2SccGk3tPOpQ4N2VO0JrrzFz_CsjuZDXGWOa8CpCjMg6t2Brccjs0rB9BPbsKxjPPkHhQfx2N26EYAhyQDCTG7eI6DT0MElpy1yaZx.fvNa9inWrjAP4YM2IyiMqWKWvDs7Wn3nDsfyebTk3j01_jF83DZ069MksCmyw4r.lGnd5x1SRsoCMAqxoNoH50FpSG2zK9sH7Ax31bdFcIBSYmwzsS8mxedCmR86_R1Pm9YJjHUPJEtn4q8tJSQeQZ0FslhJbuBz7cFingpSMLrzibrjX1FO9qSByR7_l5yqHhPpOCxWHPQy_M4n6eXSBiKsEL3B9XtjUCjxdX0LXzzloo2hyH2AXpg2l.8lu340RHkpcRbTPH_XTyocaGOtn8eiW.sWiEfZyiQ.8Hqx9nbtn5wH4M61m6QIwJ5aTQK7NcC7NWcW9yyqzKqiPDw5QJRKLkT4aRDXaVbazrq4QRBXK83P2YvIIGXgSghZQ.4cBZcp4TWifmhfltJQNdYUr_hdzd7.Fbgf.bVPEu6cY3WlY3nHFYaqMje2KT1Dih4Ij8uuW4CENz52W9AKTvQYGwAVHiHiol8XNaCDY.wlMue7581.aM6laWbKItEETfeAogZeJ.O_FjMJwtZaQ_6OXPu1NnuVhsZ2_ejr9QQjRHRWbwiIiO02B0Nw8QnMiy1pmE_B8ssoI5e1ZRwCkRbCul0TF0NJ6LA.CnQRwGJMkIJksRWhNaQGcG5RcVtfP.a77haJPhAuO0o9NypXHT1lsooPXCDLekEwUwqaaTjYZ.F7JBlP_eQ1P4bf35uGNxp3LTNYxkEIOy6i5GcI.3O_PYwMpHhnTvMHLPvOM15Swf9pm7Ui9m7Zf1UDN_x2J.v32ws6pkU3daJS6UzLoEtOpqThnrb2ACKUJiui29vcC3ujhxLJHJEOAmHgk5fH6SlThTQRV6M2M9FUXcnmUAgSHqMBx6OBgKcUJe1XwDdQLhqcgGiWjEY25vXfnTmdNoMeKOr.mHTaI3LFEaRKAcvcX0RNNpjaNXf2mZALxs4UzAIf27WWdR6bQnwoHVYonyHoA373nOahvXziFM_CHrqSOmnuZbe6cVbBMghFdS0HDlf7RL7az1IY2e2s17BAitfKl_YbHS9M.P4M.GzXviwBSkMGY4PCVwdFG6An5oLuVGpDVjI7zMODJaSSqzzBkzBdeGG1f8W_vHvuulVxEoZ0SxInCRXopHD6SzW84409a1odOTrxRcehzdTlYU9euveRm9ulrY1LLLC7QkYs4eG3XDuttuVlIB9ZMing73Ho5Grz.Q9Mf00dECWIuR1I2CuHQLKTP3jPu2rt_ehjeAySRGa.8m0P9KJJVbh3W.cC5eEClq.P.z.bNW5KivICx6lIerug1OvnPrTlFgoUDw2lQTsFNK.C4xia2tqJ2xtZboFJjJiHXnhvxCuBeoTS0va5_c3r4zg3Xl0xL2JYXLeyvhwV8bvYLIZfvvjr1q9Dz1wFdQseU0fa5Hnf9mY.Uu2AIcyXXuIfKEo0Rj24OObJ_2ND4soULJS0tAD44juKZrPPjnfeLYzTNiOE5INxh2RslngAvmeC9SYweoPHqQirONv_a83qddWreYI9291ilrzOOFwvyCjJbScCfvJuPK9Fu2YVyXHEXYBiZpK49ALlLhxOZmrNIHMxcjyCPfvw7SzLZ9yVVvjdTgvrm60WXScXNxbHkI0q_q47gh9sSwhpG7fq2c93veqrj_ioIR2UFi2K6OAwUf4.B7Y2o8e..ZRVhWLDEiumG524vxEh4ei3COmDzae2qtzNpUX315eAZax8ddVqEOAb4UIhXMUy4B42rrZmOUgve",mdrd: "5YDLkvywRPp6Gmn7KV8Ky.g5hmJf42FCQhOk0DIurWA-1739200167-1.2.1.1-XXMxNCvOM03bcWg0aQAmzPVdWtX33wUS3hBiRPCNx.5_yQ96_ubtIEH.pKXOMMXPgta8LposKS65NaOJDKn.sLwdyem4wTpedMSo_AsartfwomPA431DcgxEOtjG_O7jd0Lm.WAjF.Yd6k_GphoZoWnr_zQeLwsoKvlReENtx0tPE1kpoPJ2yo6DCrG7Sy2XAvHLKS7LcuCGyC89QP.jus5HcFUhqw2dHCR5Q.AFp6k6pB9NuEI9wbNWLCxpRfYil5KK3Fc04M6LxoaWVvmu9oImW26kqJEvATZmldK7kdSDFjSNxekBF.th5Qg1eTiqOoWV3mJ1ANY6wnyH5CXC.eVJq0OUxP5Gl3AhK97auOk7iJSUh9k6MfC_4Ysbz5ZUXsNEBmfSd3KQ54iFEeXWujkM9sMXP6Oqf1G26ZLZF.jBkipCJbc3m1zZRGnoJYVXLpUf9FzI55nFKyQU26YoYUcwLQ6s9GXUZweeC9XopTHwZuuSX9G4EkiNR.gYNH13pxM4AA_XPXcZJmLx.Adze9NECJbdDudFbfkX0oNPyXz95vPuI_MWDiI8Ft8iwo8ZHEEs1bGeR9oIiZss1RfOdnMO97Gv6WBjIyPWeCj0CiCglUIZbkRZGBTKOLCDq.sCxsL5AyYaH04_lcZAH8zXbjh10gnfcMOtZDEYe8ri4QG5tjPo2Szq9vne8qR9czoRPQcjaTcbrzdNdMwYON.0XrVQBSq01N34fkD9ubc3PkGA5HoPriNvODscliJJj4y9i6MVXNpRlMPqaUpnOmvpDVt1BOGXaAS.728G6RLJie.cx.UHC6cFciDx665rk9Vj09DJDSl7hqEeZvk4qlvFfqY18JBDfjQTufWNIQytVu7Trvj_WFjBZnSa.UZ8j.vidYAf6aI5S0y9cw10b7i8ZWk6XyBinAZIlSFxLCwCHXmJUvpbt6_.wQuRfgqS95J8uQQBVCQQImB79BQkbNItnQlh.RI86XcOK_tGY91rwenL3B35g7WtXHHVyrTNiS44aVRFmXJ.KTFmEZ6UPMoO.q0fIJ2iOi5T_ewYDbZm4a5mEkc9DTCYLf02suV26Rm0It_XKUbEV_XZ4iwZF0GPHSizuX8w6SNqUF6BvQh.wsv_YUqqBs5jLIudqR8BYRLpq1pRmEUKyf9i1YTDwx1tyRShx.0EGv4CkrOLvUMAXgzwNPY9BhmHUTzUtHaTOJ1r_JNpZ64.F.YbBd4_j4xrrRRyo0OpOo.1.dM3chPbPYEbhMWHoNcWCS09bYgx.B7hgzMmqWm6nUnmNHQ6K58Zu.Kp0iYlKlYYuzVQvcpmlEU39S0IWt.F4MjZEz6KEg44IldTr7BwuyKhEtXdXQ8BX3ysI01INOEp8HPDmM.I0lqGmqeM3tOF2y8jEdlVg0vCykPWzWIOVJk2EvbMikP8ybTbwUxdxMqSOLXW_Kn_I73hkluUg5SxgrSxx3HkERU7dkwIYtY5qc9Tbaw.rcHky_47QrIuzUi9BAeFQchtbaGR.7lgKaOtkCiwyrIN4tlM4fV64rjff5J7T0JhC5ie9LbDTDRthZ7FgrV2iaBJee.lMREHV4FgzXXtf6wQDL.GN.511TB1caUG4xUAFM7L3Iin8MlNKwFnhlZRd7t_OsdgmRm5zm4O9G6KPhbE2PkjdbnTY2TFBcJvn26g5GbY_vVb8TJvIEBES9iZe39qHAgidiOIlMGDDk_qoYmg.ebkTdTQTy_XZe4cpgefnb4jFdlU0aEKlvoDqSkEfALVF6mqVTU.wKC6wvjgJiWyDtCSeqnTETSF5rfIY05wu2jp.w"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fd0534cb77177b';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\/9073268514?__cf_chl_rt_tk=amSBJUmx0uvO.FUh7ttWODa1BiGrRR4RXtlJBqH4nGk-1739200167-1.0.1.1-FcDLq2qzxGo7tAm4lnlS5EcVeSgCYqm2MNDLgL41GtY" + 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