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-affzi4pn9.mit-edu.top/post/9701852364

  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-affzi4pn9.mit-edu.top",cType: 'managed',cRay: '9110510cbfd5e5c9',cH: 'wv9Jry5IJ02xo8euxoJXA2YhfKMGatyJ9ZIUuNUJsa8-1739402503-1.2.1.1-XupNH2btk8Y8e3gcWzSMKreRxsVeRuAN6blpH3R20C3YYkVQEls5Icu6z6eAtTR9',cUPMDTk: "\/post\/9701852364?__cf_chl_tk=jK7KMCwbLhtiKFTR6FtrtnSFpEFBwr74E.BJBFiti9k-1739402503-1.0.1.1-g7yt3WUfG9q4Gg0C90IV3.9kWMcA79hBlBc28FIWfZs",cFPWv: 'b',cITimeS: '1739402503',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9701852364?__cf_chl_f_tk=jK7KMCwbLhtiKFTR6FtrtnSFpEFBwr74E.BJBFiti9k-1739402503-1.0.1.1-g7yt3WUfG9q4Gg0C90IV3.9kWMcA79hBlBc28FIWfZs",md: "JJZ3lgkUlD.g_a_kOeWu_RfOHa0qF_dh5Sks5CQrnlg-1739402503-1.2.1.1-e0KI2fowwM1vRMItlPHEL6etc9RLKLr4z_hjZyiI5kYiCD6nwHfszz1Cqn9cQAw74BFzgc9hfePYBCcm9m7kK7CG1E762FTmWABvpS.nmwduEa4hYMQKChWdropluwtv7elKMpgXDVd72.iiu0y8FytFS9PkfXtshPwkIToxxdRWrqWMgAvVrz_gcYa0EpsGyhWN11.S.V00mAkRzW9jAJMzE85pwUKMlzJxSkNoclgj2jG0i5VEZQKn1KEAVwyYfeXdeg7YikOxrgNhbfOq1M3UHd_A9f4i4bFNXbbko6wkU.e7WPfG9tNjZBLRDDCyWG_Qm.Sk0CWkOorgc7BX99.FzIi_944RKhm2esWoXiDFMxFZGDRXmkCWA8M7pKX3v5S4qpsrr4QAtqKiLYmkx_8GqWFZRe7fKFB5UeYkhe8qZVXC9HkZQWHf5e9l276WzpiQkfNfw6bLJcujOBK7xPLFqaCeIGyOWqABKJtV1le8k2cQKWBe1hYastKa9YdU7X6FuDho6OOCTiTkUs_Tvfh1J6.5QVfXTYr95.7oFVEqXfIQKTyDJFDo68OoSSrnG6EHzC_kh0YpIl.1xagR36RtrQ_puueIrQu8aCQ.OTiv04T6295sXUbEl3k8HbdSrTsCLVcHgYNBA_S8wsskFjePuKwUpLa0e8cHGuJyeO_ezAwSVXph_KE4urn5XtU6v7PNoaONG5kgYHoRP7TC0R0_kGKTjqn5dot9WH6wB5RVciimLM5zJHJm1J9MIaiWhxROCgwhg8xLHT1DDGrAJTLPRWkyplWudIpaoGalWI8DGJ3rp664_WlfwdEj48V8o4tlZLv8ucoqHZNWFNo4WNgklmx4Sxm.by6UPUKqoVE7oQ_V3gnJI4wHPmzKhwCzJi9yurPdxzsitgxBEgJYHtqdNcNtVjaARh1U.ACBHzB8PyyM.WzcRMn8z9.vqGLreidwvIV5Mqc11HvL15FcUxRNwQbvaE8OcaaS_83QBKfiWjgP0AnRLO6F7cG_pbIm46.4oWDi0BFWfyGnXNSyk.L85L8yo7PhFexT5HanvKFrDaYLCLsDTK8pT1t4DlA0D.5KYGaiGY8A3nihO.K13zLE34lXBJX0KNgA69mhU7oknQEPf1vNaBQt0Iks4f83fgt_8lMCbCGvxMd5rvW8IbvfSvw.OlouxVtWJNZb_XZq_RpRlo6mo5ub5HgZV28q6Rtr409wYNNYB9GtxL1xSsXeeWWR.jeVGj7E4qQBi_ztod0r.l4FZVCEwKpFkWWtrPjX6cxV6a7QcSKsoGKpqLKy76GpNwgBt.WU91qJShkloq_vSXCsPWG5DHCrvj1Oy9ZFBaqn2KjZ_dJyY5aY.fuNKvXDjhqoNT2L.O6_KaN_mB1VqOiZs8u6xb2QZV0Rr8auFs_Z6TkPdaYM_hVXbCc8aI.dsi7V1l_yeGLO7EH3O5Gm.blDmnFBqAOWc8hUxNGnhuxrSEh.shyP52rtHWcKiSSibl_wDmudLPslRCgzHXZasurBptZFWoCcWjz0C1eI7krJBuv0B1LOITg_EeC3PxLIrUdrq3wv504aKjr0XHOzlMzgYlv3eYLgLYwNkBGesHigebAr.DIMUn4_EjFehZKzpBMeUrig_5NdY.t70rUQucgcqVMSpRgWmuVuJ0YczgG1WliJ2uHuNYxlGikTGPAoE9wSAgtbr2R2irU33gC4WA7l38F0SZoFPjdgGQzQ_PiLuUZayUWdZwLA8mvyq0C5pv0VARVLk6bIbCZ_rGIISDCAEPsVDv9VNpTz8gtn8LlNekl5F10LHUsQfqGOLAltrqXXPQQ83lHzvlyNlm8vnsKBmCdLXW75AjaXKleaootOD5kmfx8FOnWruaLct6kEtQm6LmneJimUETF1m9pirYBbuLGxvfMvQxdRZ1LrPjLoDAvhARjd4mnnMo7eGymC_K2KxMIldhnGLmU4NQ8Gni4pBYHl7cXWh.p.GjTf7JqUHX3GDCgp7BBKbcPZ_prpQRoj4fGZDO1UlgtVvgU84DFUi9p2m92ipB.MsKOVevhiCuApopy2mupr5e4fYTA4TG4GyhYnvvSUHAjsGaqypfeXkApltjhTGrWxKnpqP.JrwflUOVvI6Mix2a737YTrHFjAMP6CDDeXERLFL5J5_sPHKZMJWAZHGs4qbDE5BdkaNRc_iuG9Fw1Xj669nDOA5P.W1vv6U5EyRbXRDxqYLcfIGXexgT5P8gIm",mdrd: "HEhicHSFa0fzTbbV7utTuNukskFj6mVj2s.xKy8KUrI-1739402503-1.2.1.1-NdnHc1Zy4sfh.fli1u2lrIjsrespS_65RsnHTHXeMiLTQ8JkxDXNlnLzTr6iR2QPDeGV2ynZ4Cz9MZDdofRaTsnbSu3dDkSdILPJkIDjNlipqhrNbyhZZN9koAPsY5PFVrd2WCS.BJsPaD16SXMmfCzmbn00GSX1dLCNgUytnpkRQxeNmmcU8KB_9DPd3x2V8v7cTp1l7GHREM9u57ld06TyDwTLrneYdkFAUUfcBI2VgNnnspJ.tJv7JnPuc.G.nKMIpQQ4CX_rsaqs4E0ju6GyUS8OuSKiaPsY0U2JHRZDsViVwLkJT4MHGpC7Zyqfq3i5lf7wu0ghozLTy3J325Jp4HxXq6bPsMqCqVeyRVR0L0IrdBdrFHjE23Dl3ZKob_UxozsJCwm6osE4WM9GURe63WBKlmV.KLq4dKyHGpe.sbs1.5xYEc95uBP7fH30OCWRSVUIWX.janN_1nrmD2Fz0TcekV6efbJGIK9dt.hzf3j.ZC.ZArtUJY1tYeavFjJHpqAVkG_y5hrjwdeT1J5vdc_GOiVF7G4MribaYWaBWBtpYKIjK9WYU6Oyio9l7__n1VxvaUn16KF3BHwFpRsEIfAht01gNf.DJKFRrlqCmM.SR8n5zWtB6mKpAvf.l6gY6MkD9y9m6dK.PEG1FUAbgH37vrzAql8Nt72v6a9Bb.AFjlAbOJM0SNHR5.4wph_OZ.rvSxQmG4Za9dL.2DFOqCgKX92ov7nexF8uNhiicK1KCPWlAoPFgLPo2bGr8tx5rsqWvr4LryRZh6dBfoHL5iK0wWWUhOKNQWPGn4yR6lLXl.m.bZmiCXE38jQ.b5604zRuOz9CVHc1lkc4PBasOaR0XE6ABjODg6VeszUmBOoSUgOC83JR0knU_OM_VhzY16NiUmovVY82VyQ3L2XFXaGczVgNG4CNzUt1_p2Et34aydJuEkyCP119Fq0ALcjjzeLokPp5epIfJW_dDugOCBHXr5YB9E1GxFEyFfxeVxEcQBrXDsbKeD21kdqrpl02Y_fqDNBGyoNdy7EMzLAkdD0tlbZfpN7SlGilezW6hmHfAHrfF0eWA6nGgh6er76w0QhrzsfVuXt_1s7wmB33BeAI15znWn10HzJ7pM5iTLuZxDnyfFW9hOUZj2ZOiWwHW3dqGQhEIWUTmgS4qROdRhvYanFUOdGA1qZdFO.2yI4.iF74TRVdDatzjKZFwqm0RWvHPAQSKez3Wpd.Y.S62sCrakpQn5Dz_PIUks1CfS0WNyb51xXQbKNtawgbVn67Uk5cTLNNwDy3HDQz.Ect7tr5wjTlKZBsugZBiKFNYku6a8RTjgZQfKnTnAOjmGPhV4oNhcu5Yxoldut2A8RGkG6499bW.pgXDxo8oPmj91VKpWLxbFTQxSsR4EM111A5J5dd9b8ll3Sa8Xs99TzOY7DcxgVTJeO3TmK_cpy1LJPnXpiZAk9SA7KJGXpKQ7vX8eKDaHbgBo8CvlYv9J8XxSi14Da4bD3mw1OKB99Ov5LQ3xi.j2FndCaMzd2Q1I5HJrQ4baJpXvJiL2sgX.UHqZJ6TDEN34g47qIIp59BNAQIhS4qUMezO7GmedWM_W8N0hWqAJUnkSdVsShvvYUY.haixb6Ctz9oYgmhtvzqKf2mACDTBePvAE1xkpvK46POGFjyLUbklZn3W8LT3Hri6eP2ZDKVpA39skHX_521460Rl2rydPhNViS5pw8hIXD4Nl5rx5Oinvc0iYwW.4P4eKjOfnviJAMteHD6VGJqpjV0gjXV0pOBl48nggRpvHIwtXbTzepp0G4hyRkmkQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110510cbfd5e5c9';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\/9701852364?__cf_chl_rt_tk=jK7KMCwbLhtiKFTR6FtrtnSFpEFBwr74E.BJBFiti9k-1739402503-1.0.1.1-g7yt3WUfG9q4Gg0C90IV3.9kWMcA79hBlBc28FIWfZs" + 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