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-250633742079.mit-edu.top/post/4890273561

  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-250633742079.mit-edu.top",cType: 'managed',cRay: '90f3aca8c995d46b',cH: '0qEVGVAJwioo78uExeeOdvDfBmveHbDCV7vB1O5SXbE-1739102168-1.2.1.1-Lk6u.PSkON7T9uUFWatsqigOE_mjDszSFVYqifYTvZxBIlY59yJk2nnKKMNVg.UZ',cUPMDTk: "\/post\/4890273561?__cf_chl_tk=kRh9rp9wNkMaQihucWKQsFC5GndFWz1zgMKdVkXC2A8-1739102168-1.0.1.1-KuUX.jzVi2TKYqOjEKkmWu3rGV8Y2BcEkcPXn.lEOFA",cFPWv: 'g',cITimeS: '1739102168',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4890273561?__cf_chl_f_tk=kRh9rp9wNkMaQihucWKQsFC5GndFWz1zgMKdVkXC2A8-1739102168-1.0.1.1-KuUX.jzVi2TKYqOjEKkmWu3rGV8Y2BcEkcPXn.lEOFA",md: "kuEC7RGVkIUG83n8tyAS236ANUSd5oiYf5xYFhTVbfY-1739102168-1.2.1.1-.pyFDvvkWj_uz40qswMNztWpxrsqoGbz8hyfAficj5liPWioiS9_pqJywDy1lPzOquWLQ8DAzBBpyzI9O.UiaUzv2J2rh1pjV86rrZUDNxMGhNzyq4QjcIyGmk1UAS7UROSF37mq23nnF1obxlGE.9ej7j5hIagB9xGCKgujRntVzZPyUMsHS_.j_4AK5ZUXX8EzkFTtU6CuFD_V8NWXUyAGzCEIPNCsTlQxvzOYIvdDApxvaG_yI4UNnwojy62b8MdfKl0KG.H4KukqiZZOxqU7hV0IBtXOYYV5O4kIs60grqJKbBsRCpyG0Rwgp_pHxR5.DCt9dL2obBeSvYY_sNn5z9xFHOKrtNRWjXzgLyQekhanVjLSUgoMqZpFdwZgzzMszXrI7DwEQsWuw_gVuTonrTNpppv1tapqP1R8qTHKjWw.3pdaaH..zQlyl5UUMqdW6DQCvsD3AgyJAUu5UZWYKEKm4HViOweEsZm0tX1_n2MueUB.Le_1RhVjxNljB43WsH9bgkEZwiKKmynzX0S0vhwQBRKkvr0eT1YWb_zFnvrmkxMOj.Cf5scakx..ZWtbntWqDo5vGfwfuSsL.Ps6ddncrKGvO7rl4kBhZcNzA4mwjC7jGHs2FYFvRrvOcxWhit5UboqvwxxU4V.EBP7MfqANDOrL_WLSgc_KySUiD1tnM2oNCUiLs7Blzuewvo_96racL0PgjCkAhz026NDQ68xjiYZd8AXuTBlIfRgx767eQA5lWvKWRYVaGtApNAS40wDk1wBgP2xavKG9Vnl3ZBNWXJVABpaM6EVvRwHzwI8MRAVZCw3jvVuRnhM3yJxOempLY01XFTrjrIB3kEGhkFd9TVpXfJz4vi1Ya78LSBq531QuOmlt95qbFXd30pMV28BZRsToHy0LNs2ByO.91EXYZzYOKekL0MgOS2N3ExSyT4RlIP0Q1oGwAZ1pT6gfK8rRO0Pp0wUeGkdhcR7fN8SWEHoGL95cby2nNW0NVCNdAh5xRZjoRdXBTsBUz3_egqVWO9Ifsm6JPy2Km1zO5_fueIm_DJv4P_Sr.wQe1D6PdLQwF_uVMkBIqtzhcZncM3XGNqxITOwbefgz0xlOJWDNH50WS4ql9EpTwSyy15gWLJMhZHOVVxdIAR95BpsOzM03FB3wbsoWCQNSkpdFyN85lfcAru5gA2SmnsBnP00bmYl0oMk48Ggeb3SJEdl0GD3PtPrKMyOQne6I1FqdkwjzKwo_4hNWbNfHIRYvKA0dHcWLv55jKbhn1KuF7RGR7FRQGeVVBBxiWiw.SFNOnF6XmehsK0.lZcAd88DDrBsB.5OHexSAazhGyxkb9xmkuEssSJobX4Fu_NcFRBLJtG9HK_1TFWAmtHbHgO6Qa6kruA8AUa2psm1Qk4MldlQE9Rkq9eVGfB24eUfnCfWaRWWQt4ilyoU8tCfPnfKfGbgqvwJZgG3aFojgMH9ScQ73Qff3Z9KLizRDESjy._qzEy32vdVe043ZNA4zCxlO5.1IvrPmhE2mV8hVZKXEyfGWYvVIO8QRkVS6pNzVJJge.AHs2C5S8t1swSDBMOwwiIejQe4Yehqk4yMOXHUK7qQQp3T87nEfCQs8Slzsc0cSbVPd5aB5PT.KtNfGD42iFlmRjzw925llzE8F5uK5dXY6a7_ULr76c119_fNDveqW1dJ2nY_OLAQdw2IMS_hFAW5PzrQ0Vtsyp4Lz8GeCrIUMnBqB9_u5VR.UpxAzMJIPP6_bfVi5Goq98eu6Avw.gIHQohfG8dFE4MVg_mnzwcWwVBbLXTjWTV47Pm0e3mod1OfGsrf5IWl1tY33EpC7c8tOZdanvk0894KM._.LsOEMVFtWVYs8RWsOAXtNrsBx3plXDijvrJtUpDB4LJP.aufnVG0Tmni5FhYsgxjSxjGzrAdFNtIPTeFzFCIEVD2AlF8sKBPs8PhSOqUwKm0SCuuzR.Gqna3rFqkmjSJUcsnlsvML_5.7GHKyZP57MSe1LVM1lU71p9ogShIVeLRy0WLHGlJPedzRK_EgX62rC8RVlG3uXwF_zX1Dvxr_Z71nG5.NiLdrEwgHqckyiZzcL75QefftJ5XdavhNb63gT_hdhn7EY_K.QhXuedm.gZ_1ofasNKIUnBX.GMhKAQIoiNiclZs2lUIsueezVN9aQDOEg_aJK3zkrASnQUo7zMT2YUTO0a5MYmPMZyA4w7Wj0.0BsEB.KS8an4fPWWyi",mdrd: "SIhSlkZYfqyEd6Ry4uZFcg8nYqItqzzBTa5705n3..M-1739102168-1.2.1.1-IwGcM4EDh1x91E5TKSr0M.at0u00kmCW0484qMaDwYGXAfs4bo59CGEL1VsM6b4S_8PfkK6oI4bp4q01sIHSst0GUq0xC7PjBMQSy7zPySmvNO6vaZEC0DVoTV9VbmDC4vWxFSHxSi109iWVshAf0AfFG1Sg5N16hbeE2KwPY5e5OwXAsvKaF4ZUVEPbMq5zqz9NjP13R8qRo7rl0gkkMcDve_PXz_3iHzR5hSibYYmoHNUjK01drn6G_tZLKwbp8tVgKieess3IMScvgfPjJ0adeai5C00NRY2jI8qFrRJFU0HSiJCH8xFvbHmdznV3cbPZ8adlNkC6wyRRISh9_rcpCrsKGR5Ef2FkCZHC8C66b4bey_F7QRGjTTYgEEVhUfnYpJDeJY44gj7K7DPh9D04GWtH9iYnOyjERsd9v9gzTyHDl160Lgs6M1mD74eQAk_1JyRYLEAIoY6Fowm6.YnHCSYoOtNGWEIbfUXVUkZtjOloXUJzCbZ9Vfk47HPTjB9Y5RXBeNZDph51zqju2q.PcVsISgjr2OOaW4WJP8HvxhTzCORLvX_7sDOcJ9nKvNUaMhicgNrsDqS1sCXKEfQKTs0SXAN5V0anhhTAFC0KUSZAbrw_T4yzGKqQnyP9LhlWKBobylbLE6vabMHG2C7Qn0Qcvb7rXI4fqAuNKqt2jI7WWHCrJrqN0zRyCQROO.XnCAAjM1.BxqhSsoiUBtzwAlTa.wfdPc3gMVorgsO9eWx1mLrZVdQPICzKwrLfa3Gs3slBlBuAQNIJ.8D7Ge.GYQA.a091WscETqZdRf0e621qCxLwjWalU3cVqEBUNHKr_x6vVnItnFP9lAP_2hj7Hj2DM7435tG16mqvQsHPvJIpXLTjepEHCdO0JSPL2UnhCFy8ROuqj4Z5MV.MwyIDDYos5tw6DpH7XLw7P7esxmEx8.KRMiUftUXhDW0pO4aziBT2VKWf3oenq6mhVDlROS6EGd0I_Hwe8tZdVfzDcCY0JhHE2c3DF.yVjqfjicyFL7l7sk9p7.CR.44rhMK7_0aIWEaClUOUY3fPZLZjsQpRN77jRBb7AgPOXYoKygXFYfXnmLTXRKDtjI2WqJE2Ow3XkJRMM2RBajaLLJsVlnSqFrqiOkYPxXbaVNz.WpCrP.WGuVSYZk8BmkEFv4_x50aPun5bcrxaZyqhbXniDOkmuf4_lIiwaQHAH1JnLngDNAMB7gLJWAnKhArv.tQWuaBsnrtvw8I7nzmBVxDGUKcg2O83JRQdoKxpuA7yGu9fTQnhJSiQh6QKwg2MSKNLwfqHTdSje.e2jm3NYaW2hCkHhoJBGfijZwoi9Kuv2SFC6ikFYyfXHv2HBKCmdkF694X8CEy_RMoYKvPj5XMtc03a_08sB9TDdibEtDK2RsqMtojpk.CGXsbhqsIHnfjDHj1Ze5_2yPKgKiLCOF.7tsdlKmNMM9CtWJl00TYZWT85WGpdhB80K1yn2gZU5MGpz18NmSFJvRdA8vENKbV_KIQD2L51gbx3Q.XOhLasvWw321flxVJ7sl0IoHXQkfLZHfb1r3Cy.vAs95jduNimE8ZTxO0PisaOKTmc189B1Qp9jMjSoSt6L2a_1MDLwnc7F.VDTZu5bx3_7inAogjD_J.mzqmYeDWTEbPDAvh9GG.tLNFQSBmGINhdddI9MYoVr5vjZUVGmxym43QU0O0qtCHErQnOoi9hTOY1pTDHS063NQTGGUYjJqGxrWNQNgwtfUDD.xSk9_ojJFR1CbNeAw20X3aEj3dw99RCuso2rtYDQkrzbMieAVcGK0TGOg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3aca8c995d46b';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\/4890273561?__cf_chl_rt_tk=kRh9rp9wNkMaQihucWKQsFC5GndFWz1zgMKdVkXC2A8-1739102168-1.0.1.1-KuUX.jzVi2TKYqOjEKkmWu3rGV8Y2BcEkcPXn.lEOFA" + 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