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-871743539827.mit-edu.top/post/6491572308

  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-871743539827.mit-edu.top",cType: 'managed',cRay: '90f7c8186fad82e4',cH: 'J9ZbbQxlcF_aMnzLspq5jvCFfKtWDm0r8YJZmnyFK7E-1739145235-1.2.1.1-bKq7.AP6TD4YEj94ERbFq1yyswKfgJhgwX5iR8qfjdzLwVtDG0dAvPdPGmL8iNXt',cUPMDTk: "\/post\/6491572308?__cf_chl_tk=LRnXrlbRrs_ztnekZC9MqeVaXnLHew63vBZ0ru5_jas-1739145235-1.0.1.1-ja_2IS41O95Ikwj_cqX1WoykEV__nAIfiEdFCHzwW8Y",cFPWv: 'g',cITimeS: '1739145235',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6491572308?__cf_chl_f_tk=LRnXrlbRrs_ztnekZC9MqeVaXnLHew63vBZ0ru5_jas-1739145235-1.0.1.1-ja_2IS41O95Ikwj_cqX1WoykEV__nAIfiEdFCHzwW8Y",md: "OKtiSkynJVyaQDKPYVC_4lfWdgSH0Zk7yfYcatSg2LI-1739145235-1.2.1.1-M_vOKJbxsC2aaOu9wH9LMYo7gCIDBDmYpFAtFY10NqDk0a5HnbxCxxGektWIYIZ83998Wyt1CTAzeBIIUyZ8ztoNg7CIbNbZixdlKYewiPaFsWVYB3zFwvf4m7Hz1LC0PGD9DT6DTeQjO_6YfgZ21KKRip3m0G4zuY4KfKwEi2..Q8S.wqyVWk79PrJi3Yc5BUfBabbN3tUabwe01yoapOzrzNac3Efx0DaK5HpThhStgTRlOk4wYj_vYV2nLVI6rUKqL3BcTqvziHW0r4Q0fo0UrhDIOc01SskEie4LC.RxfWYeLMmlwdC9qqyGNwaVp0y.PNiJSL3WdShOk.s2LHbfVk1XAgXf.TX1W1YZzsMaFJG8rZVZSU4RjqyxEnK48lk.FgVl31xlJ8dqamIYfYlXXWYfCvjMpJOCXvj0SpkHZSF8uRYtpPFeRDEOuCFeYuDobylQ9TDlmJnyrDJR12N2ChW4dzHjt6TAf88qeu4OVsRmzrNy2He6IPAWgz8tmgRv0y0BQxcd8CHwRKMmKvSwAPQZ7VOyGrMe23vtbdsdXt3urLKzlOJ1X56hcTuoNXVPkF.smlU2mRc_uaHeTwCHjiKWNel.MeDPU7KmMWExXagIHxjF7iudu6BAE5XDSaSNkCk4yPYa2pkW7WM4sJLgPNI_A7FSMSYAjVqwNgBA7VBjzdUjQLx2GrmP.aca1AphkGH9llACv2.hdEaCJre0XLjASQ_qKDvXKthD3NHx.a1EcJZ5S9z7g9CwFmWZqrglXxHjqbFi0lDy.UFa25htYMF2TBP2Vv813gFyCkhPi6WCqhYEVJ2DaMBYnrqUcdhL7TEos3OY_RQ5ypMqKHkkB2LG9Wz3rEOirxeVofd0YoJdR4JXMecXQRo61zXxKgsITKtZCn3nyUnC18npwnljJV2z09QaRkEkqI_JotM3JC15kdJ28aKk.QcUYLj1e_69TomeSzlg2EjbibNPr9esX4zSuUVvCy9nNiRdWDQyvo4zAdw3sDd0o.VTojkBbTR8.1mziQ0fQq5f.gJk_z3Cc5Im6Emkvs9JSJVWZp_9RfJjs2ye6Vm4abD_i_GBW0t7V4cV5K7YV2AhEFn9iGxd7ge8MTVvIzNqyvxKD9IrL7RSjlQ2rmZIkiWCoFrCPTNmf5MYfQ.ZFfrPaxg1IJe8.EcYRGltX98beTUvfSB3waFURQSFkDMDDg3lk9xu8DqzG.Hiy_xRnVBPXoPQKqn.ji2mZSMGG.hAeUsorPdGPuQ_J.zpan8JmJu1vlGFYJR6PCbYPfPsuvnSd87N8AOOsuxg6Y7DVnBL5ORhfJ7yH5652E9MHADBnNQZwXWiecReCk5qxq62EKGu9d0oJa62xqbDIQOUGWqxzsGUEvLOz03NtUWVAk5fLizpFOX4Ch0f94OWtCHIfgSvCI1VGb7t3UZwfQxgDES04JkDugT8ipjvucgG.aNTmpCWzj2ehSmM3S_GmtMw_IKDvxzFjOJe_JHIxG3Gsd.ngESdg6m36lMnnigrqwWk8MsZtxK6.1UWO61oL1ah_QSnMGbnMSdsKxZP0w7pg5gU2WuJMsOrDffipgh4X5UJHRSoLA9UoBnuy6SVu7TUvwWpfnv5u9S57HC0VUBtV9TKjyDTe20ESkg7NLzYLlLmTUDjzgTmISSvjZkeS07K9LL.Nx5rfQP9okuNpweWYwgjEq47FsVYYtBzy5KJpyIY3bPfjaR..XZRPhDECO3nGvk6kN7G1helUAXdBQMterxO.4yueSzdte275zgmR0EMwWaSoAhOIF6Cg9QcMLnB0489JtiIy6I7bnUpbKjNxwSaD2ueMGvozxLDMr_lPyVSRoj1DO7uGZWP1heg_6DmIpxhcPER6Saa2Q8fQmr2dwcosfYF0k9t.qPwrektTQ5mf1ss11SILqgxak06uXJhF2wQdXvpk0dUONjlSRuxhKoObhQ.9QuqHKgVdCcThOquMjc4pLtgSBZJfMx0hoU_N2wTRPw5.UqreB5RudPy13mfz5IzbINba5hXqTfrv7Vlv537mNeGA6vRfYb3fTUvJMITMn20Ee1mdLL7cKRo1mHrwkr4kOjukj1SLSo8mUF_c_zLtZIsSO0iRVbux9fbSwFDXSpWIvn6U9JnM4gg6.kbcgmXfowgiK03p_YoaeZqVOueHXoGpCQpdG4UikrsXop6JYVmRCK8UpSRpe9B8JEyRZQql9201L.UC8Gk2LGEDcWS9Cns",mdrd: "2MAitRFaq4LbphZXy8kAmhGeJrccxwJLKlvjLrBmHhA-1739145235-1.2.1.1-XecnCBhQuQrrLGHcHKcy8cxj8q88PXb_lJdcUIC5KexzsVaALFA3pjdDNIZHDoOHITCQt..1WOh4JJbObRG9ppbmLlquEqUzQ9MfkmX7OuqkZzogqBWpohOWASozDpG6mHbuFGSweepBYTygaiCceVX5fUQzRqYxPdcmaOEMeIPH4o3NVhV_tCJt0k2jKOj_RCVWZn6aI.nMoLF.Eq5jUoSIzUCwHxwovde.1XErrCurDP_CYkRWS8iSW6IN1zalW.14FfQCAbJhCQ4xUmv0pLL4wjsAufFbCzHw2VoGvwV.5Bp9._Y1SV6PlzlNrGFS4jEwuUkDdCVnAVCczLEobk9fZaBGQE4oRpVNgx007LJGGXjcIE5Oi0eWaDg2moRlJJytDu641q5sLrSUvXZVyrVjNSB_C.D3P50eFblLdtFp75gM9fg0rnDqHcGONmaPVa4S2QOkk9rBQmbH7R1iJlMqW30etgpINm0IxeEt1ek5eQyRA1eP04eJRxwnIOPo1PvdSYemUVlvMd6muWghvETpAgSSQx25m6scoAkv0ibglztI08MxH20r5YY1YYcZUYwUujIYw1mLATLqi6JoxbLh7dxUo_DhesxDvlzEeotRax.4tm6QS7N3LX9Yw_DHyP8yplRR_G1cQ7A0n5f5SxNVOuqO61Aqz0wMsbYnzWcE6y.qFIEwvQswE30UUccu55wZ1uPzg3cpoMbI1_VJUzJifK7QQy3tWhyDGUqcxnxt2o5cXJQK.j3a25CDQEPcS6N85L.4urQPaT6YHmLPZzW2PCfsLyjwyWaG3mRkHYFIjIQb2JQ3E5NLeCEuqZOrRfHcKzYf5xtz0dBsHaGNCzP3zFCM75klUfK2ytHhFMkCyiElDLLOJrjEPP2BQeZ7SeqGxW_Bv7nefY.XJ9N4gmUJlNVGLtwOz0bAh1XPy6gSHlLfdUgkRvJSKUEuGhtqALe6yz7kuFdg.73XrJWOhgY4ShlTde6_IVrhj1_80ZJL8_GtIR3ZiOUSEtojXEZrS8ESrDqf.xrVULOkGHoHYWFtPO.rtAIUFnNv_0wq3w2_H7G6HAmQFfJ3wAlCxHfMLirsZ11aKs6ZAhG0xGS_20VKmn0BahkvZ1rPzcqhFNvztEbiSGx8MxdutMbdB.k_nXUDSjzhDxWpWEOKsLNDfsrSHfbgjBUsSeK8Q3uYAbN1MWyRrptVNZHeI2XIx6MHiMK3TuhqUxCPBmbRxrNOgv6EAYhMJX.pU6gxcjOMa4npJ5k3fyU_WMphqlBEewOuWJH6V3a4tg7LCmnGyRJyn9uH1RaFvn2pMVWjdwFzq5OIg9fGbP0n6F9pA_ZPtJ0YbgsXXxvGjsYCUdHTBZhfNF.QLfTH6o5vL26uQZn5jFJK_FZqUlssM9yipFfwChRIOHAF608Zi5oHtJgqevk1pcMDp3C5VQb842c8toim91JjxbAwGq8YhVkDhDTBuYX0MNbt3sNTo4MvOMPLJn7Ci2ySSk5nDIrsntRe7iaWSaJjFcQhPDWwY47kXVdulnVEqSe.4wXiRk20GB90WccOGtgAznwf1DhEnTVPR27xH1PaB5eEQ0vqh2Ts9479hjx7iYUN0IcF7ffFK9.pcqUlOv9lzwuSYRlVrBzUqVYpty9xPy4mehUrAr0wyPUrAhQbWwb0KVSbSc08dNkdNoiuJQ0byWSD_h14wtJn_5ny571HtADTeVnYQIz3WhULqKqKA1vJ0dS2JyFNR21svrkr.xF.qsjuS.DJXAqplTALmRpVrYIE7VLovxcAagYFDGSNKbXOsWEVsG2GUw0mh_gRWgumZfI3sxUTAz6LEcLTKJs"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7c8186fad82e4';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\/6491572308?__cf_chl_rt_tk=LRnXrlbRrs_ztnekZC9MqeVaXnLHew63vBZ0ru5_jas-1739145235-1.0.1.1-ja_2IS41O95Ikwj_cqX1WoykEV__nAIfiEdFCHzwW8Y" + 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