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-333798875498.mit-edu.top/post/3089167425

  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-333798875498.mit-edu.top",cType: 'managed',cRay: '90f659126af03af9',cH: 'KCgXSizyviw5Q6dKw61IJTRSFoQJw.6Ocau1hmiDQ58-1739130202-1.2.1.1-8tE8vuPmQSKwanVHcX_R5ioULPWCg8y0OnqKd5tp_z80dHCxzQL8hb85YW_WvbLF',cUPMDTk: "\/post\/3089167425?__cf_chl_tk=498OYBmaHVaYG8lR0VjNkRjxNBv1cjCboxfL3.ZLFWc-1739130202-1.0.1.1-i95ECwfv3CgZtC6Zdgj0KMl6AP2OLHwdGPm.etipf0U",cFPWv: 'g',cITimeS: '1739130202',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3089167425?__cf_chl_f_tk=498OYBmaHVaYG8lR0VjNkRjxNBv1cjCboxfL3.ZLFWc-1739130202-1.0.1.1-i95ECwfv3CgZtC6Zdgj0KMl6AP2OLHwdGPm.etipf0U",md: "BWvAUU2OhslzvO09fKUD_BlFabSkJR878pia1doL4_w-1739130202-1.2.1.1-hz6Ks2RNC4aM86gqJJtNGVM1cpzUhPvDjtExSqn7pupSJaEoU9b4FY5_6C40lRwpv9HArdc_JgysnVSjJitJ_xkrMeQFv97G8hV8dL8bfq58SpIt8w9C6kMpxIcIVU49YF5Q9H7Dqd4ZZoH2EKjDG6l_NXxUvRTx3osA3r0jADmcdZ4wmxFi5kgXaR.DAkO1GM0.d63s5DWYdazayJ97QWvw86u8pz9wloOYG6CjyFv.jkHf3DZR8ZlCh_UFfunndU9._en5ItNgWpYA2BGE1B_2aiT_IB0lM4XZReuwx2gV2EKIzJi8P.Td102FKLgqkcBpaMS07VgDyDsP1EatAR_AGoQw1fZ0dQ0.3V1lgWxBlK.LRGh_ye.KlaXmNRSJ0VjhQj.IXQmoRR0TkCwO0h2AK28Sdj4haJfkgUU1DmAFGClweO.jqT5biMQiGcI39xRmUwXjhGuU9NWk6LWW41Pj_n2h5eJsMPLlR5S7J_piN0FnmV5aLUGkTD89lyrBXaWHvHdyFOEtPjp9MV.Gufpp0IvuYkDCV4Y1H0QKBDT2spVruw7tr3WnJs4X.J3ZQFFj93hDa14R1wm8nXSAvnbtxju1OdLK_JJtFPtioiwCAKh1QO37MxFPk738VssPlY_YF.h.Fg59iHgKEMkMqNJLppeCF8c5Ea_P_72rI0ug5jklVy5W1CQGRgYYqdlNcpC3AQlXY3XO.PmZSN3mK6eA8TESLKsQxI5L.7a4gVqrLoHMpcmypBgfec_D0zBmoCHSbhMMreHZ2HAgE7buSiQkOvx9uLYkjqWzx4UjQb4bWur8__c0yxu9zbK_UIfxq7V8TQ1WcJ_0.eD01fXF2RqofxwUWOhy5jWbOmyen2BWbV4u6MEwaIGKngKQ4pSc.Sl4Cbhmj4e4u4pIKtZRQ1O._yW.Lepfqm0MXPaG2c4vTt.iFKEXiyHxH2AqrYch6agLPEWdIMEo75SpSLTm9YTQTl0GmA.NmNeHoAiLDmLA1km9lJCzKyMhCb1NLINWULyOIoS100NZ3VenYbp_DoYEsdW0jgry2qCI0mSqyM_mLsQweQ2nKOmUBzWtmDWFSb5aIhUI3qk6RvNeP8qF1NZQntqXwcjUtTtxY4Y3vASMF9Pz2cL3bV5mOWeq_hA2L97WgvDdGxUj.mdBqtyPQOjcsg1rA9s4EGBo1Qv1l.y1zDIrNWwEKpuWgQIAGQG87PFwiFC84Tsy6OlZRgiWI00ozalnhBYTRVKIc9KU_PYeKbeGXgcepeskgs1QwhRYlOm4GzxQ5C0JbnMA77ksLnIAiLzjGopr6iNht1F.Xq2GUh24BeELMtwnGALJAapfRbGavK5ndTOarR6tFGXwmy5foNj.GIw4l0LSCahleOJxRTl9zZwbtHbQeYWIyXe02VC.XCuTGvQT20OyAAqRtpCOZvTtm0.i9qEQ6yERDht.KtJ0WySXGg5QDn_n6bTCvHNBnCI9.29yT6On1R7gK.M2RXwpx_wUIxj_FE1n2Ayr.Vi.mRxNoRHoz3i1HY_W1Tqafap0Bni0zQurMpPFwSoYtYyDyNB886xwPHTrGYxTTW6mrk5ILPycxOjm6qtUvxCMEAWjmDBK2L0VLci5cyzoSXupW_rccR06QHTpNkHWyIo3OaMcYt1CAVHgbK_l.lVEkn.EorvpPLZi4v8RZ4BPTDKgd6Nlpo4OFzt6XFc4feayyjeSz6tyRnu6OSWBWQeRHcN7rAviM90B5nV4m813PAVV2iGZbPLy4Ur1TOUeOXEQzLgoYe1Nh0TLmN4XAFuK8nTnfLru9_gHZhCXdU3Dtkik56_Px1f.xu9LVEY9XmD1g52BCShAm2eyEYJAghCHqSH0xe_D7mdCf7_CryrOhpTpAWrlqmzItZa70s8YSo3y5BXOrPO1.IPfwX.37uFAARsxSf.A6zoEHBwXZ8PNIAUbK8V.ioh.nPSz3AqjdDocJd4zMenq2m3ke.VBjmnzaB244kg7LyHABlCYi8WZsSwVSPF0a5LRBuI13xs1cEa437uqT7kAEzQlp16Te3gH_3HB.OBGcoXY.5FGItTo1F5VNvGLZ6.trAw9RxY8WpFbW8aMD_zreiZUreI6WwOEF4w1GzmswcYBozpVbeSUA717SuL4UYekc1t3lIG6V6Ptfbe6tE3hssGXErQOLAVaNnS7lLNhruW36ddf444MW3aIvekSxpVe2ppl1ph4X8BkA_MHBbxfKB_aRh4S",mdrd: ".4Es_Vb0hj7JiSLJ.i6e1qWzh6i_6nTOIP72sP.wOLw-1739130202-1.2.1.1-3uf0UjjgBW7Hiq0kVjD3TX7N201yptiBRG4LknYXJz5_b192t5Z34o3yNhs28DWMH.8wkCBEJIbgy4LheJIqpX0rBvpTPE1xCmvypeUF8GLfjdJK5mbkI8o.VUiOgP4W1dH5mNRBlG55Hpg_X.sTODffnWbdiIJN2ciVZoYpTONHmHkyTwlqY.G1nq_UdoydK.fbZzZ48CBUsyWYzH9yzoSXIaxX8oSQe2SZcvemFaY767c.TwdksqASF0oZuvxS6ZjqjuOFHhoxAM0HvcNwIOhnfrLoYSg8.w_6ErwYc6l5s8N0q1vE1wsi3Hj1P0fRpZt1hIcDxeXvH7BXdYfFiZiafcHvgRoeidXm7Fz.z4KIoIiG0DYp9zM_glrFiQEYMnvzbaqPGEB0eNRyfP02kLlTHwuYqG3tGcEdhcr7b6RQGQV5ca_LnkbXUIjhwZdA8cFzmmsp14dKnw1DHOKkWu50ETipGvEwVGzF2T9g7bi_TP.FYo8viOQ2w8Fp3uIh1_0DtwfraWubmrdE7toOcbZdFTERwqYtthpFNmPBROMaGKX7G7mNexGuFy.3BTXGPpvZk_Wllyy1YjYMkzQPdjCTk1FSddXWIJkYsx39spO.glUNIpNJtbqnOZxGCG2Ksren0fow29P3ikeGthS1n6iq0thrfdsFE9TBWEyWjCPGYRIaIYQM65BvtldOSgVig6VYHTEpIm5O2OML9OT5MnGYysgLEIOfnBYN4HbmhtMAZ_a174i4DiGRvR0Sw75PcPKbUh.9ZKB6MEAeyFHFLdf4d_a8Egpz3RJTxc9lAKoixqGjo5eEbfNvGuMj9JRQqpsTHtf2BC0ttal1pZsJiw3_I6IikNlYtucWAb4IN5UzVHTLuYguzdc2Iz7pwrtlajBYvaOvl_85yVvLDHTUZ0YaPaQxgA55mag_6Mu6xn4tIsIQVrFdPqYWFea5ExjDF0uQVKsOmziISh.8qDP_y7Ez4kWI14e2cMUTeQuNqrLQYAy6aMf5RpZRUwuA0GVbaLPTZKIIVR59WHncNEYy9R0t1mZ9kH2vl0.5P00UBryHsd4IOCSqLiQCdC8EG7atJpJt6fj3N3ptxYSJk.0m7m_mCq9q3bbz6hABAJ2_v.AdY0HvQoIy50G7O395J.tlulhscGX49g09AzTjGvYPlL4L6xQzIDQr_pnOrpKJEAg7qFXgCZ1ZVObD6A0LgrgDrxjJ6a2Lc4gluOzJncZ_knx2gsBoAdnXyY.jtEpWlJTtdkSbkdBtzgFYm923eWhGi5TGp58b_DBgLBg_9h5SqMDoa3iRup7TjW8psKQhp6g9bKXStYFbv7Aru.2.xuL2wEIlwhiaw5BZ5n2Kl8zZkkzauWhOVedMyH3u4hcnlQkFYt5rS.M4EcVs2fqWNZ2H09kIdT2HSQO5zfZ8fwZGjX_Zt73Dzbdt6CdfHI3VkV6Bd4h1ag32FRcIYnAAqqPY4fyJKIaQ9H7OcaLihACSue3lpmb3sWDZu7MVLpyqH0F4knP11YmIZ5fj4f.JLSWdaxGqE5Z1TS3ztIKycAOA8xkPTjEW8fv6yB729BGtpL11X60g4z_dqq8NUq1WME86FNc4W3Cw4mhVpz5RpzfisFW8pikhrfFApM19aSIKFHksIX_aXL3.N18BXvSCfrwOjv3Xs4Iy65Zqjs7ZStjjVyaNTGl_Czz.DA4nzJXlZ0S4Z_UGl0UiGFifSh9KXFwkGwvZV5DEW6rZPnYyJdkJcD2cbAwkniD3gM33kCIh2Gj4zzbgSCID4Xp01x.SWeNg2gpfvM6cvLLra8PNFZdtaA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f659126af03af9';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\/3089167425?__cf_chl_rt_tk=498OYBmaHVaYG8lR0VjNkRjxNBv1cjCboxfL3.ZLFWc-1739130202-1.0.1.1-i95ECwfv3CgZtC6Zdgj0KMl6AP2OLHwdGPm.etipf0U" + 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