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-275923321005.mit-edu.top/post/0689321745

  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-275923321005.mit-edu.top",cType: 'managed',cRay: '90f3ab6e29389c8e',cH: 'HoUDNxKm2tCJ1FDR0DWlidPc27uq1s8QMWgZj4QseJs-1739102118-1.2.1.1-l9AawUgJbKmQgur6fU.I5nVzLZjTchhKTDYL2ShbqovhaX.8LoArwSGPQTOUTJmy',cUPMDTk: "\/post\/0689321745?__cf_chl_tk=pRhHqjrOLOBXcLLws70YcJbqwaJEskp3C9YAdgFalqE-1739102118-1.0.1.1-cLH4pXE14D_4hgbx2nMAwNcr6.SbaecNehPYWO.n9CM",cFPWv: 'g',cITimeS: '1739102118',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0689321745?__cf_chl_f_tk=pRhHqjrOLOBXcLLws70YcJbqwaJEskp3C9YAdgFalqE-1739102118-1.0.1.1-cLH4pXE14D_4hgbx2nMAwNcr6.SbaecNehPYWO.n9CM",md: "9fgalM0qyOyjEWDMsLWSOyMXR8HGPNF9w5tX38kygrc-1739102118-1.2.1.1-5sYaoUuLTJ7JyyVWSUSAv57eUgbHPzK.r.YXeo7Fxj772iaUaBoMO5oEnx9LBrCX0CmCXeP59KCz2WSxQ7045v0DwgNkZgSpc8lXNqg0.NnvTare_Y1BZRSTA1ekbJNCUOEYpU3tgv0KaJtQ6vo3iaC0DqQgClbd1GTWunihtZpqQ7e5Y0AOASUROJt7ZDdLoeozdFVI9oOujQ2Q3o1N8gwwYjQjgvaa5AWTioUG3kKqOOKcW73LIMgVKPJG14fLI_LGQk7S9UJimBrNaSlbYC1mHpJaU6avt2siRToUENWM8ctA6Lq.6auKPRnKHFqXbCnaG7980XPvCkJ2JtputdPA66BzXdR95lubZ0hONOe.IWfhzcZI02Vp9CT4tuveFbfP_Ox0kmspDcUcy4jCfaqHHbmxq2yrQKnSMvmGTQHlFqhVw1mIpgzq180reMdZyzMIXkGFVnGRGKL6rkl7m1npdwVBdnBYk0c86z4bDEFsHGdOI.dkyif_Fi9NhF0X456gnW4t4LbsPlG4ICBpWYS_6nDrmznYYxTDBE123Ht80PCDBLZ4CHRTb..lVzFxPoOi4jHkTn3GWNZ8q7y9KvW09.QBEhxupeSQufbTi_T49YqR9UlBv.70g9F8odJ9K0ukorkOsAgnBGKfWQG5ou8sYtn1m37ibAXT5oagpViIi.5tMMOmnvWKr5DFg09sFPCuqAdwb_499wd6ePBYgEpZvsqJR2H.RskjDGGOVUU2UGe11VLwf0EqGJmE_88DxzDiy4hdEyr5foBTCe29PrCiTqr6tmUakEDrNyAiKLW0qNd0B0a6blUrJF5XaS4xFCjLp_iALVsEqirJ6CPqSj0mFGKZ4HZWgzfB9lUiAOC30tzmciH_GZGWD9cYpxL3Bdtczf9PFAt62gQki0o2oCO6JFleDNcuXnYZzsYNWUvg9EYiCa4HvTREsIrlSOKHCyTLEnI6GMM52RRrqfyubq0fNXJYRU4iBIaPCIEXZ_rvCI5w3RwAJaee1vrwo1R8ycDZQMR5FvM8DR..i8MvdkMCfo3gtE7XDxLY3xitbhVu3v5E26uHr7RmzHV48OlBRjgnLTbj.YQNFSm7OQAPYBDDfI1ll5uaLZd9knL_tws1fUzecmCnQYgSDuLpGgpqzwy1fDNgVNyThGggLvaNfTz2ZTBbtLjuWZc5PZwa2hacTIC5pFsz_6hnk9DRDr.8BFO90w52vo_SZnFIfZ7M.b5O6l7rjbgnap4CsSgEhKgGBn1moHTHjyw84rpZthybNQ0cpknRv73_BeDryBdC2nDdc2eeI3wS4TlGek9UwT..roUHYLzwnOo.6N5a2ho6DznOFIZbpwsMYBiGtW40vSFeLY.v_ZzdkYEt8PxJX27wuVfK2PcV_9Im5kZT3SP8fkffs8o8u1v1U90apFTdlJX79karV8jcqDRLjdLfJje_T8kRNkmFuya1c1rMXkXBpfQ7_I5NTGkdM8y3BzfrV1gBKxDud6NpUliJloSb9Klh0Gs8xoqVLdX.Ztr7BksGiE98LUS3AQtMp5ORmx6_SCwDRxMPwtOiQPViRbDq765_j1iM1w2uKz2F0.Ns6Of1zDbJrQD8UFZxyjBbgf3It0AseLJTV26O1Pn84HTC2C7GIRulHqJkGOTdVxluuTnbdFWg72LmEwRcJaTPaeGlszJdfeXh.l8UoYdkV7_qjgaGknWU4.sZmf2DWjhEFM6_ezLTr1DPtYAu_HkPsKntWlf3GI2qaDWVJWI960Ps2hYKoTQZ1huwXigH95WAtX3uX3.baRNJaFCklhT9G9nA9sJNINCqsPbqTRywfmnOybHCZapKFw7WYXITux6E3qAq1HFTrxTdxzHe10M8AGOa_sO.sY6yVGIJB9xAopROqBonIxVCMZ9UhzzucBCNmVlJBMcMbxnclgwBcoX9Wp7wVteH0FTjlO7I0WLfzqeM8Ve1y1KI6MC25bPS43XJW0VRaN2zH8N6IRPhBJeGgvVf.TrjjRY_6FxzF0SYJaUVc.nFN.xnI7M4myZQAAYa1W5W_xkzGI9v.F7Me6QT0oGmea1EXIb21CsGv7U0NVMv8GQ8viMl0FJ_.Uf2FUv54ZcOwmdrSRHHXrAD9XSw1Fz4LIntNcxg0TBLzXhBCZySNlIpEKzHA_5QZjoZiHCJ3z_.2GpSGpd00eZxMaJGuIwhjogv75Rv1yDixjhVb4ThWncYjSHL2Bkwc3YELmeHmlcG",mdrd: "grX9OvZ7WwLdP0ladtsiXtme.ykzP0LrCG3Rrin5ta8-1739102118-1.2.1.1-ARQgGE.i.ITnndT2mWiu9XywncgrM_pR8e_wvU3s2Vj9xfPeiGNUtvVtKkQhv6WbMoI7ocLIyZHi8WrfUYhbSvca_LTpeCUVQNdR5koBoVKni8CnrJXlUxefImqkGiJVoPHyi1oDwF.98IjpmVkfSh1slDp97uEtAVZSSunsiu2MtJuWsa.LZolxTCZFnVq4AL6bVkYBKS7NKM_wJBOmPn5K9AjVp4u77_8j3mQX_J232SdEW_9jBaPaWISFU0lky2Ri2ibcurywBRNGbqCdC28.fSCBTj4rMlLyMrvDda7SE33997P_S9MrDo9kUDH3OReoycxgKnYuW33ATPaOHvfOb0q4Pa80Jx6qC5I4SoCj2FVGEuxLcgn6XlPftIThwN5pGjCaTyzNeoqIqRP71TwVflthiJpZopm8xCmXMKxZ5pj2uieVyuzLtoOCOvX6eWOKbguT.bnoiWsU0wmkHSQiB5zBVryfA2X3agksG5DQSS6ZOTyDixWOYOpJapP1ESNuhTTMjc8hkknyKEbgn_Jl7JRpyl0PH1UfTLryLS.fNPNlOrLzBUnx7nLjh6b8M_hJHmAkSVZdlPBxj_31qSa2iXxYWkmcsZ2RoNoHO300ksG9ybkRoquD5W3NMHlnVPE2M5E8TRZ.TJ0Sd1YO1SYJWVxrxqLfNLtZTBBZxr3vekEudJvpkB.ILW0n3KJkP0erK2QcV3C5hppM2hIN.4lXoz1DKu_pcrFMTB.vGOlHwm1Bsw_g_cZpc9IRWiyt4O_JwffZnhZ649bXCKyWW9cuYDdLndV.0LhA9TCx36xpwP3JngG6kiSvVh1hF_YSt.ugWYayMwO7mdvHxHGn44.AW5kJS2b4rPYyIHGOZV41NkLqQcv.WMH2oFG5ArHBkzTnXqTcL5aPJRhgE7dSY_j1zF6wmHQFcyteLDcVKB2OLd91VvzNUXgrZICW_OpVLemi8c4YcpuFFiKWuPJ2uznKtBdsTR_L3tnQIy7ciBn8DNqvZJfPWQ72g4yzLWZrdqkY91cqqKrsTeabTikpaBFGIYzrH4K9UuV6XvtRX5sMeCzGh0_TpT9wv6P0HFS28.1Q4mGxchGqOHivEEcNxtkkdm7lOH_6OrdsFn41oKViXWcGLjyfWOdq7rQOA3pePko0B4I4ER5Uj9tXqTpe4RbOMJagavhiRORboNNP2KARppROLBWjeqdvhU5SRNv6hZCppiKwr1iMR_R9xB2Yf5ODNzHmdKcGyySrddIe73JmqPi_bLLZlc6NL7SBS9vfO5gV0ArQ5gXp1VIUkQlUFxXZDLfBpUfPO1YiTz1FMs5d2g5gyafSOb5pnot11jIdQhGeErBPfUZxiLuNKgvHwFPJ9o1JCO7zSlCx_jM7TFhqjGsQImPgOqxEUZdhkJ3SQG81zvKQmleJJxAh1zfW3Xz3Iqt7wL84xaolOsVSrqTeOWx1UApsa3sWywZtyyzstE7gOupxLKZKO0jFnX.H5sZMsmcDhNaQEe74z369DG5WeyShmhUFTDuCMt1jGS3l9raRRjy0fx4p3l.G_Vx7QkxBYwdY2IR.BlckF6CFFMEjL0yQWVTpogPtw1GxhxTLCx8jFchq8JPfwnDbFzfftrrMUZyZF0KsEVtUk4RsIrp8A3F6wrcr4p_DUMSzwutOLnab.fahBhsIH62auFSta4eIXD_lyvB_aE7m9w11G_XvSJ0KOFgvW3HEL6zSNRYl630Q7vXGUAy2W7tT1s0HUY0kftTy7NscGFrX4Wo4kfZ8FoLlHPVOdE8CpHC2oUjesDxHCyU_ylNsrB9PdDnreXRunANjiwVsxqUlBM6s6PY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3ab6e29389c8e';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\/0689321745?__cf_chl_rt_tk=pRhHqjrOLOBXcLLws70YcJbqwaJEskp3C9YAdgFalqE-1739102118-1.0.1.1-cLH4pXE14D_4hgbx2nMAwNcr6.SbaecNehPYWO.n9CM" + 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