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-affd2q1mh.mit-edu.top/post/9830451627

  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-affd2q1mh.mit-edu.top",cType: 'managed',cRay: '910f7d449a0c1727',cH: 'pYWx2oK_i5fz4FPCruTVOtviZdo2xNI8XUZRCP.Pe7g-1739393828-1.2.1.1-hW0bYXzFBI.kn_eeVzeDxKLDG_MQDhX4mdz2mYHPBC9vAxrLv9GaUGUdBaFum70z',cUPMDTk: "\/post\/9830451627?__cf_chl_tk=rFi.uk_a98mkkkJc1VmW5rlPP_WPoqoYytnSlhKVTR4-1739393828-1.0.1.1-rIlAcX0lctaVgbuiCzVbTb.EUo1Ax2fhlutdCyt_r8Y",cFPWv: 'b',cITimeS: '1739393828',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9830451627?__cf_chl_f_tk=rFi.uk_a98mkkkJc1VmW5rlPP_WPoqoYytnSlhKVTR4-1739393828-1.0.1.1-rIlAcX0lctaVgbuiCzVbTb.EUo1Ax2fhlutdCyt_r8Y",md: "lO8KGbSr63Nd2qKpvXT34IXmHJaNmM3B9utPwXrTso4-1739393828-1.2.1.1-ssJsrLUd7U546P19LNwc.OejfLYIWccxV2KcQbfZx0RXRgX08M9Ev1Ld_JpKxLXb2lM_xhHI1csA4eHnrgGNk63NMizjZ77sYTF0O0Hbd5VYqTa4tvkiyKumahEoG5ALva1tKHIKuXVPavolAZNhDo3K8_2CJLlbCeLy57Sxu2n5DdTXuIUAiG3b.6Dxbb6EsKougmkV5PrP0prXj37FmCJHZrC8wGhqOCKkkpsmG2U5LaFUYyrujNFBrKTsS5Ke2mJKacGYeeS4BQxOW5XqBhio9yq_SMO_xEzPcMZzwHhgzowREg5Z5t788CqlHxz2fOlee_v3dKpIGg22E5C47JdeSPNS52.TD5qODtna.gaxIMldgGwnooah3mCF_bHPPtfIChpTYA9tE4BJGV47OCgFGpxlq5EFP2W2iLGvunXVdIlV0cwpToiVthel4GzWxtLiv9oQOxU9qEeasYIQCx4Oy8MJnBQq0FS7Bwp.6GjQCYvq85eVJ.BFWytcnIA8ysuI3f_T6o9B2JYcKeEysRww7yTrvEfRDKIYaRQXrPpv4c2YCQZWxhARei7r_19JsfEI5q5alU78VKsmi81OnL.XWA3QY6PyVpMV..WdiCy9v9oG3CEpHWcmglMnmbbddnefZUfAhZRkSGTNDGTDEEIHLxOnpPSxliVPZ7XNZ6AIRl_993rXjUma6FFomagQ4XxlCY7R8GCBpSiXSJzKv96E_JBJtJ9cBr0DwuoXDv_Vyx1PTd98Qlg4KzCHL2f.P8Kj.rHbWagw79PGLJnbg5A_ZfM7TYKir3xK.yKzeBRrwzxSI4iaY3a_RYtiY56AFGobOh.8_HCn.1XnJbGjYg.7xLhaKW5c6IzvkKu0Xc77OpPNRWWrk.He9IrikbX6j.KObnQciRPUdjXhfQn2tE8bqjA4iAiiyIdE.OtVMCe5ZCw4icNZE3ILTMVok31MXkq_SouizbUfbLG5gzGdZn6QPmpAMj9SphMaJuU6TF0dUN38xpl7hGYbbdiJ926KaCl36gQsEzreVT5CRNR4jRtXy1bBuFRP1h7GU0UZpkw_tNbPXinr5FsvrLJ6Je1F5MtJJHviKADphOEA8KJaH9bVOagMTTupo_LZg3dBpONSJREk3_3Ul5CgeVq8LeMNjAYO0Yw0DPhbwFcKkPSyEuIJX4i5zPFD0lTaxIfo5LVAfZVuGV8Zb1DIeWdEGFBI.VH3SZHKOjP1GmiyrDeHquUCZJuyP5V6EUEbEkGmu8WanqGz_Z79QD9IqzKqpB85RwU1h761L6WeC7GTZ9NePnz.wUfCNhy1DK2nbQGIXAVKoIe8.pVCtcL55_js3J63Gn4MACpVuuJZ_P8Ur2UvovIlR.nZdvXgN_sr5NjgZ6mrDjkz50asUYMJd32CihhH6bvq7lM2htMeM536d5ijb3o6Xr7qcyDK0qXxPrPEwaS96F8Tc6wdudgfxe6HD_tONRfn7G2W7tewFPFuIiqGMH74K4Dy3PbQh6H09HGglC7DFcBDbyeW6D0RMu31EtmiRQDJGxLalA0DEV9_YVSmwlXhu8RTgtEtDgxphtWYGREe4OKEJTN3AlcDIY33.KV7fmYflt76k3J0TYdl73HqRBC.nx4LTcpGonjuCgXx.v9AYVnVowehG9x7PBAFwYU6COJ8JQF.QrmPAQ1BWhC4gmUcSu917ObVxj3q1xN97lnEF.fcmvzGWaz0OtFOnerQC7GQcZk3.JPW4aax6ga2XkhSN5yOW7rL6uiDlTsEGmz.FVEzpgtIfbLoH3ks2jMJjsXFyhh6URWX6BrD.xS2_awdMgMbbKrCsOWLgxeV3.soaMtFoGJ7t5Y5xZmHHhW0ktgbd83GStcnmXd7ptbHW1exfUa3LrAtN2K2Vs3SAAJ83SrCmYnvjBTDe6iVc684BoiZqRW9w8ymhAnIhLhTqdfSsjLj1rvybb97yZKqL0WMhLmlTLn86tyjuF49sii.MDtuOkPNceP7YQKikstyem6krpIfioBxVDUte2VQvXwBCjIwllv58iFauhKjI2pJ2fa4ewgudqgpcPdAhPnm1ZHSTawRXVGV97_VOBpto_iyt22dH4UD7XJC3cpHJ4YubWbrc6if3309MjWrv.JljTPWYUkOdb35bPWoFxgqdixLJoOLHP5Sm3STC.Oxy98PGj.fcBqjfS2ovHTfjFvAqhbTlMfaGi7VSTepFM.TyBPYe8ttexNYRG3aSbNbprGJ",mdrd: "JPsK4C47AceOzY6YyrixKXExYyttiSP6GfRf3YV8QBQ-1739393828-1.2.1.1-cTM81Tx43Ka6ASOd.oWVv3GBP7UiEHY4MQUIuWDcJkARjjKw7q4Bb3UNldO_Ek_amaBA4P9oGftsVSgPvLuK0zpgJoYC.5o_6agpiwpvzg4eLnB97Hr_6BXhvWU2K2TpGGdHnfFuMqVKgXF6Fg5YbfGeJ9YGjrGTCCRLPfkE.yCyu3sjKepy8uOoXDILm26I.y.mgN.M8AAyT.r7mrWJxsBkIMMLDkyoHtLpppxkJZ8KHxNuuuLAfZDBVKgL0vXburOGmVwiXI1YUAae0dZNZDsw_RINbl6rjp9e4N3GhAqh3xYMf6f2byIfpfXcwFqL8agP5Ry7fFtXt2PGo5g1s4pKlq8_w8corDK42MOPrT_myygrie8dbNpsPmjNaAYOPw4X3xNbEFOhU1__eZmHdRVsKdUW6SlJ02KdAzeSMDURExyy5MoKqxiYRZ15E1pGx5QAeh2eH0fiSN5XDM7v9HZ1f2aPDoMq_OYvnKRGe8qLkIyywVz4BR4n3XXUAXmq7gB_bXsubuA3MlSTtBvzNuKrzT0V3KYTFY6A09lCph7LRjZkIDciQ8VA.G6JbLZU6GZ2QP_Xxr4i1fVx0s2eqYXqH7Ys9Ar7mSGoLHsTV7zzV0SO3nI6Qs350nKy_y7EAxi1m6fiCwoirjijGY8OqUctG2LIaJ_kVmaS4f7ypvXN3.QgtN3CYJ8FROLnXjCgaMKl5fzmXIlkgPghd5841.SpGAZ4.xI95TBw7ct.Hj0r9nFCcikG448eaBC9nAtzfho3hckLTPfn9Ius8qGlZ0F0YCoR1F48jPb2wxG5IJbbPENUnlaOakx87V0E3zwxilE7ouZqEHMzf6muw93XaRaIl39U_kzncD9qKocuoaj2wyKElRQnZmdj9J._O2OYAtr.eCEYbLHQ.unEM6NxwDUyklp57xThk.znTbwQTZvKVQdFBTheg7maj9btbJRq2HIWGsOZ5fNlRVQh2hS5mdnJNVQYQ2yEjW.Xq_sQboGgf8oBDRbOC_RRgUQsZ_FC5xIE.urHHs3VB_P93OQWaEQSWKCGAzUqw3LFgm3Qhd2tV4jNCrLOsH8Wup5B39t0KO3Gep8jSTtkjVwP.7V2YkqQjY3zrkQg.5WIUZiIE5ud3qJGKBhvWHqA9TGkuM5U90KlfY0xumPZgbX2UbXnAP4MChP7vQBWep.MgJ7GhC.CEMmHXUpRg2xGgDeAU_BB0U27EinsCyAVWixJBAzhd14tNpKqKHtdCRGOzzrlGxvZOpzvSdycaRlEEtM8Q7iaLzvDfl6bHUSfgFg76rdQmkoxbR_.Hm4_QFER3Fo1ajxY0Gk7ZsKUcuSkiiEIC98gRftwhb2HFB9puVccHNrLXvGXIpHHIQndju7n4LrMaHeerNPZOCeFP76J_b1VmynvFhqsyJJf1ZKHxu0zdgb12fuuTqUxa8mLHVvk.aYa4zf0XakU0t8EY2IcQR8MNgGA3_cb75yjitMEe28r2xHhgguNZUvtWludr7lYqfdrjUAfKcsGTGrHOBLncorLjpjOsfjnokFBlhfwdLHdUbFi6ntv80f3u0eceAuailwa5rnlj05H6.Ibx6_6PVhre.F1Z8dh4GTJU0QLYExM05GBeHn8JgIz0qZTo5Iq8QVP_YdAJM3PrPBc7cEYiBY3rBMtA06K7AfnEzZfFZf5eEuEn60Ax61rhkq35cQrrznRxQsyQq6.Sb6_XJFky3r3gOVbvhu4fyiSG49XVtiwpRLW1ySQpAMv3XBlTZ4kOqpQKqvidpdAVd.uV7aF56frwX0HuGdYt0vD0JTkg_O_HgbjqrhK5.RQ9_D0WP_3Zm1khXg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910f7d449a0c1727';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\/9830451627?__cf_chl_rt_tk=rFi.uk_a98mkkkJc1VmW5rlPP_WPoqoYytnSlhKVTR4-1739393828-1.0.1.1-rIlAcX0lctaVgbuiCzVbTb.EUo1Ax2fhlutdCyt_r8Y" + 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