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-affew01hw.mit-edu.top/post/3487591062

  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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-affew01hw.mit-edu.top",cType: 'managed',cRay: '90fb12af2ebbc963',cH: 'OCzkg_U8scl6aWd_34ReODFiIi5aShB5QWcJ0kwG0A4-1739179747-1.2.1.1-auP5N4.YE5zM_DWUVEWw8sO6XLmVaCmCT2wRAnidIyt2sswX86w5nGTdO4KUI0ep',cUPMDTk: "\/post\/3487591062?__cf_chl_tk=OP0GwhQ.obGoWceRWBMPm_3iFcudOt5.WheCBbGX8qw-1739179747-1.0.1.1-yGX_1ww6JbnuydcX4Yw5_d81eY5_imRaQHJa6DHcAUw",cFPWv: 'g',cITimeS: '1739179747',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3487591062?__cf_chl_f_tk=OP0GwhQ.obGoWceRWBMPm_3iFcudOt5.WheCBbGX8qw-1739179747-1.0.1.1-yGX_1ww6JbnuydcX4Yw5_d81eY5_imRaQHJa6DHcAUw",md: "a9IYaTlnf9O7oygvYmo1XrcfyXvGRjCL6ApFGU6hv6Y-1739179747-1.2.1.1-.StAP_hRLHTFHV299MMT7Q9o.hXtd6_1wmdABanvUI71gHR0x.tRz4TlE9P3NnKt_OtF_vD1l9vNRswg4MwjWRGdIYsYWv65umk.MkfymfWX2Q7em_yRphs2t0a1ezrJo7r2ryRTKkFkjZtbWNs_29iiOMsBGIr4RUPtVigf.BvJ8Nz6OXwAqCqtIkfalW7nRgB4Rvmsn6i93St5s_AjRrLSQoSuCRIqm_6Ft4HWxy1IBBNtx9Ic2Wo.Mjkqo46eXMBQyW97x_a51jF2A6TcbQ5w_2BZiyN4GQQTmKgFFdNN9OFe3s7nji_BcHTFuwUk00UuO2JpbLCrhDyYbtm3E.v6gS1xdbYnVlV.YUcKG6Ufvj31_fo1jwHA3BZFhe4fTwAoAkBk6gSMqLfqlLS23_myCAd4qPaiy9iTTxg88Hubo1CfKax7t3wtZLV7.P9SOne9oaIXfkSbswnhUh82bgx9J_R9ubt_y4FxGc7e208owk.wuzYzal9W80ASqHj5NuREUMb3jp_BFQko6ePF3AD0UflFHZR.hbmmWobCKIoWrrPSrATUblEfEZ_w55tayzCuk5kxpWUVOElqXQceKxY1N05t2CP3inZDoPcwtItItQbkqulyM5d7VmF6H5U6xRn.0L.uwyA4HuyZ.r0L3JGg4eYWzayyfG3vgsq.GuLSRS1J47ss4bpQsXTq2aGF_evK12fIsAgvlekIuWIRXBoNJIvAqFcv54dAtt6rNKJSsvIFDu7bofqkF7NcIGrdm.aSbcaDuUJk_jCw.ySVhY4fkMvI0Yui7jbNQiLkq8bUe3cQSa8CXjZ7vkIMlUskFclhG4P6fsanIHa.Xsd9LUJXLi2OVXqvHJNQQVOt392JCN2NiKTI3RfFlAoVUDxoed3OqMFP0K12XER.n2B2xwH5kTDhwU9FIhW7cwswUWoMnUB9z5z173eiAt4tUlR3kiFQNvK9ok1WjFz1kP_tmYMNCKk4mcI7FeCEZvYs3Ei_m..pbP9G1r2XvWbiVjds6tJlpA39LF4rVi9EkpwsEhLQDQLN5UnR18pGNJQ.KN6YqYQB.KYUfe7tiRjgstL0bs3ignDfjG89edPcom1D2VwvnDJcIoYndatoCum9r8G9qhSuK3YHAYKvTs68RwoymLAmSuQlD1DfidDkwWT1jMyhQSVDeFRIRwUZoCU1xC6O1xy1xeNGo9DbDVny._Wj.hP4L8J1q5pHosSwQyWKNj8OVWYTEMPBc7Vg7siMgBwDOFBykw2qUpJKG2FgpCBHVUBMje.LfSknte.NS_9EtoWskXfrFwp.qfg5u9C8lE4NMKUVrU1UMUmEyKELOjxJ2Z4I4IJdQSREpnVPsQMZS7izyys2Q_nwjiJp_Ew2y42vQFl0tg4zVYvJJSAWFGTjH8cataY6Xs56zy3jNn4ORzaUCMy2eCer2JDSA0nq.kuj0mpoYlTeE.lUAMjqFkvdbUNyHhvakNCk959YZscLTbSZ4dzCfNKMHs6yR6mytNE1JJcYyZ9pp1qB0R5e.O5RAxK.DiiQhHbQoewo1umSJaJRCBPe6PT9Q4RwXpR1Q5soAR_J_7OnOFEPqc9462m39faYNL6hc0.FuwUzL3.FTJ_4xfUzWwE5vWHnPTcR9ZAqMXWeXY0gXCF4PnBkbaqHkDgkC.INx6QSoBk9nnTrEL40DRhV9zNuaLbKxqn6KrtiSVApYG2HSbN0hR4Wsk4UYsmbCIUWCNTuDLgjlOfXCPjAGOeYtGPTS7k9X0Jl9wz_kW9gkbDhRhmXAB7c8NKz__XArzcR88q3GPXsdpMB6dCnwx.ubCj7SMKhbYn36zzDRRq26ABq6ouknd0FQ.Set_HSZksLy_joEBDgU2TNVd0d.pHH32HTYpdTHz11ulHgq3jQer6sc3n1_XzvdSVT36WgvpBkoXSR4E5SISwKFWpuSNxA4Zb_dMDFLbhz45_PQ_wYcXeFJpkU3vYvYIw6a9rap_LpPviHwfEMRoI6.Ucw.ABXSNAwgwKEcJITRVWUXDheMwmUNeQWH3B0gaDbIcZNsKfO2c.rQW2sqW34hprCdtSS5xRHRKVW41sNFoZPfvYL_4eKquN_k4qZUiJcBde8D3huiV24gwhnxMJdMww0Ra2orNuOQuwZMcKHmOILbmLTL9gdDslKmBF7AOBax0WCxCWvEJy_j15mhgqTLXwPY6DYI0e8YWnzsJu7WkIvrETJWrGtLEox1OSZPL1v",mdrd: "DkOCzNhxeZxGjGSa7eztwoyihAIYYgGb4b7tUiiJMGM-1739179747-1.2.1.1-8JRuWxhCVsMcI7UVSvnu1f1tBFfLvyOVf2nitCTqdFLQcwtlpiw.s7300A1ian3YQHpUk7RUFu8kQUQ_PDvcc_viy8KF5jfcwM.f8ooZvR990Vr4biXZ76pTRCXU4.u5XigAm8ogyQcZvx7upldVdsrJSxd4IpgxYjsliJtjlmFch98BAv05IpQvKQ2ocUwXkdmJyeGjY9jcd6zasgMCB_G1lYBChEoPhL3B_weOuGePSSS1waa1yrfZPVNaJBfBL6TvY5qcj5_ehsgrEU028KCsPTy4GIJ9nSlePTg5SNvgwCWJe2AWBMZ6YGcucS3Xl1dIgsaUrXiofZlMilnhyGz9yH2lEljDMEhtvuLlaRnc8LrkhKw_Sp6SVgjkciUdbtefRdiSuqB5a1wDBdQvRdAsJJZr59Dqf6EUnj5UwxbvgcpYwocX2DPRS1SOkta0KSzJ8A6I5_9KSnhN7prSQsKVZ3a7CIkGbPWUTWHJN8Aae1xGKsQZ90yj2U.0ojbifDjn7bwOqIDor0Ev9tFgEBeDHDEs6u3g2F0.3zczGmuTt5jFOpJA6hzZjSYiv5KcaF_5E78wEGDNPmeYHlwbjiiPiyVElXDnfE74sZiEKB9BNK9XRwr.yUPg8yVrBfqV8FYv5fvsoHgL85TufVCryhbq9Bec_Lw7FhV5VGHd12QxEBObeKFNOpiKza1P8nOaQWq4q_0uIORrMzrUcgXabQziWKpjAptuVPGUlec5j_LfEJwSjlMyUyk1aGXL66OwqxXljOhwBk4KLw6dMqz10yJJUo7NiDIs_Z5eZ7_r4f9bjbjTr3KOaLawKUuzTaPZXX8y8nunhfIbCnAL7TWUD1XZErqhyrCjUFSzJ6iSNn8Wa2mhsKe97QivlSd.24w74OvFKikcNoMSTwkx5iZEMzJqGyiD3h_3.mGUh5VZLKxMSqD.9iC__rNhg_7r5UBYm0PpBSwjRCKGzJ4a357hppoLlup8r04Umq2POn2aJiLC9fc1ycAraUFDwWRMQtY9Cc0tW13U3n3jd4g2H8VvoBi9BdIdJWQ7Df8pvkmQbiP9Kp404Mm3no_h6bPcniAPw42nAAXTop0h1rWq_O8jZjwZcra1ZlnmVZGspUrWLAgY6HxencepMZBXy4cj8Q_TjFfFNKNuLg3f1N7..D61psa4U7oLc7oXRaqa9608WJcvymUd4Y5N42KqooNXJjqg_icy7PqdZRCggfpH81KDClwV8K.Iom0yhKLVZwAD3J8A6dQDTZIbVXC9stOEgBdDAGHQuFm5463OQdOXP6lV7E6FP324dsa.un9CMGCZbja2ach0xBsvFoZMDdmwDaf9YT_lTaVAqADV9leve6hrGGIgURJB5BbLaOrlDsaOXy_0jjwV9pYms0pE4Nv9sBse5Xhe_D.0dfUCP.QYdM35WT16hmxlqejD39gnKxrz6to5Oe7n4PONt1uoVd3h_Lp_2WDxo7tSARIjIFioAAjcrkb.0YV.C7yTiTz7s.EsORD_Tqxa2Bub5F_lrPumuKQXxYwtNPwEC74rOsTySl862bj.6llRqxQKHKa44UmEHfWV0Cz74kLr4N.fCsDTJ_tNXyrze6n1hfGCyN25fzBZwWEcVxhVjRHFbMQKEBOLiIL7raqFqccXekd9jHFSNFdl4pZ6zCZzDB8n.ksGRc4CmclzFEdacYd4OxYko.DnMz0Mgyldcs.O.S20n4JhH8iAQhB65Ti.YUEKenbZc5V9f5cYDChS8vvBkWwD59ixD89.Eu7dnnVzptvQCMYzjH.VaJlWdhKtWoUtC6DH80qsh2jNjea1RaiWz_IPsxY8JnU"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fb12af2ebbc963';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\/3487591062?__cf_chl_rt_tk=OP0GwhQ.obGoWceRWBMPm_3iFcudOt5.WheCBbGX8qw-1739179747-1.0.1.1-yGX_1ww6JbnuydcX4Yw5_d81eY5_imRaQHJa6DHcAUw" + 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