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-affgc0gyv.mit-edu.top/post/6381975420

  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-affgc0gyv.mit-edu.top",cType: 'managed',cRay: '90fb2eb579c49c8e',cH: '84Cp5ta1yDUWOrl_u7vOp5biOzMLQyrvlvXR_v2oj4I-1739180895-1.2.1.1-8BhHLOGqk63lpUVA2ZZz9C2vVQi7mV073pIrT0b.WZeMxbmgRawrmoeArkyI2FNB',cUPMDTk: "\/post\/6381975420?__cf_chl_tk=FIg74SLaSruFbOAdcSa._Ppq0AQvVrLRRwokXdmzC7k-1739180895-1.0.1.1-jXFshmJrVcilmDAADsX9d_v722ZyFaGfAovmCDF1xXw",cFPWv: 'g',cITimeS: '1739180895',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6381975420?__cf_chl_f_tk=FIg74SLaSruFbOAdcSa._Ppq0AQvVrLRRwokXdmzC7k-1739180895-1.0.1.1-jXFshmJrVcilmDAADsX9d_v722ZyFaGfAovmCDF1xXw",md: "XT7NhUAGasVpy7Cvc7O4rktinNp_wA5L4kZrX5njQdk-1739180895-1.2.1.1-siAE2aqbd2gUHGhYgJD8HkZIObH0FgPySAWYIWx0VEoGyyGvlqGSdcOhCzwrFIClvKePCPRn4_xbwFBfDsPmgO8N5j_xlVICTTI1DKemzN.wQd6OlGhVCRg0NUSrNUcrYlgawEfYavLI3YTypyLH_dxkoxekEyjy2t0Rzn68I1uHlPmPMfd43M4g6RQLjKBP6e5MnfYdeySZwkpueP5ECVU1PeDBGF.8EdeYmsnueKtP.nd44lequOp6orB7kahyErNamgilZ4AcSBgnUlzQIIOm7O7ttqHVLwGKDNZRRR5v68U2mDy_11Z1s6ZJ.THkPpmI3.cuxh3zlDQyLkEs44EYWYLRuLPL6ikP7ZJAoEVsTbrYwten7RxIDNdYpMagBQzTjzm3ILl4kLrvPtHrkWrciyUBcvX4wWrj1.dZ1TX6Wxj.7gmujDEloiUfSnV.Jz0idxbV5l4WrHsOyhZz.Q_hYDyUzjbI8lUqKv570jvfrR19NMV5EgKAofk4Ft1sVL37_bK0s.Cl_HaGRqZX2Ajsa5QioIZHn4O6kRzpKr_lBtZYWsRKt83AYwOEuvDh9z4D_b_.mRW7TlCQbXTDKq5nZPYPEl.0NPTRntbZ21FoDH3_6Wkhgqka_ephLdg5eYTu3LVAOj3ylfSksXxDOdt.Z11ysfoNKDDF1lii_U69BdqHDMXZY23BZDrW7QAZRyChp9kwMJDTz0SOocopSHHuJlhH6J8d9FgZXSw1pmLRsbP_s1kaBOclyQp1VBumD8lG.O0tt2I5Ap4ukdtLalx7ILQMivrntkqUxA1T0NhY4HTkoSbHBvSqdti9mF0sL36bSzCfPdtdKYbBguU1KI4yZdB38w8IZARNTraLhlmgW9rUKkq1jGgr_hnvvmNGV.SJ5MLj5F4V7YCF97DEqq41FFw0BVR3HK7EJXAjHE09gyjdmkveP5GVL.hnNda.b9KI3JRk2f5ukumrF1nGr_EkRJYIJWpJ_ClEErWcDQxivPqAVVLa4e5ZSQBByGWIdgn_a2RKajUFwLi4FlxgCSOmSJp7G3Af7pYFl5hxMtHo0Ni3eCeWYHXBQf6zHq1ynERfrX_wHIKnbIvHsqC2QYoPsxqAJs7nun.SojqkxXt4XFO6NY1ilBrClIPMXHCYHJYJ5drBXewz6b.j5bmDo5H0hMTtgTgQuxfYFx9Txpe3EZTrtZ8X4I_rhAyAu08kRZZ17d1jmXhQZPhTWhWOHZVsimgkmKLfsCSRuHLP03eTIeGja6S5iW9uB1jn4JlJ3X7Nyf7HEBsjPIl.IEbPexFTnfGUKC_5aHhv_AZp_K10U6RIhtKA4fZKeR20t0IzrJJ3tsfxVYXgVClgF5G9KYxXYWY2w_GzAkz4n3HH8bWmTPhxiE6jmbePBjyerhxuCNsB4mDPPD.DeV2.2ZeAjM4zUcotFx9cXOk4nHJuzo6bdQqNlnqWt9JPOTT7nqZPTblpDS9Ia7GwBwi2cmWxp1hstUSRksvO5U_xzTUaZCiSzqx6QyzNAjubejLhN3sFDijdc0tLKoBzHmN8BKsvHyt7.mgwNAvkVANZcRXjB0ENloHCVPWx4bPJHrcYarfWGajKhhyZZnyjAgIEWMKR81J6JnwDIJWlx0i_RKUoaY9j2zjqPiyH8CluGje6ni.EYurfHAb1UQsM90JSc_DmZja0MB_EBRVx5LBIc.8qPJAHmyc8ExP.cbQLbKqUtSkGF.Gtandv.oEXWykkDTGTuwJ1K.Wwk.T3O5qZz0yF.lxSsvyZvrvHP6SuPjFjkjQLuqYSaS7dfaBYcuCH3RVCF4upf8Jrm3aVrnbPn6lGoKUeMr5s3Fu3aQvagh._GnK3dPTpiSY8PQYsQxR111vr7P7POLLOzrcR6Kwtzf8EiAC9cBmllN1lnp90.Mpx4NSz29LBfsgL6rap4WywqGHFyyfgUmoQnWdRAD7oueMd4bQ56zLjjHfgN83I_o65GZzF7PAFYtyOuER9zK.1.AxGfcVbDt9yJvLtXoCd6basco01Zlx2wxnl017oZWEiHf3AXKTZxWlEADWzGDa0tndyKiOCIhO3AMrE90Nr_rAMlNEqzV1NKddmidEGw4Z_1IyS6g0lmilZWXp3HY8vG5FI5r61YTlhPJfr.yhldvlhfw_n6ONOhq9hOp1dZ7iVVRlFAK2iAyYmPFEad7sxb7qX6i6c4IYZPq.mD5S_LqMKXzA.xxVHsIjxGmrB7VyECMuX",mdrd: "6SkLhrG.CQm7U4xbpCftr69lilNI92Li8bfAI8Co6g4-1739180895-1.2.1.1-t4J6yb5roqy.pwN7NGGOa22Q_4MQ7718UsRr4QCYDDQjQzQKYcsL1TlEM.zfxrEUeXbn9H.x6HTi2FsDWREY5DuY.mkNjTgYDa14pLJ9q5Ss5ZSuWXdnZWi_2W6G2FVQfMYW7f08JBfBGmUJoDvQdV2Leh5QQmFOiss11xaS7o9CItWWjNjbkRWV3sXMHfKmD89pGQpgjVNMPYSvqRg8uQEHqWSTMh1bEL8NwMFSEA8uHzApgj5BttJvULiLVqEOUPBlbSNC1FRrUyUHqgx.jxrQqS1x0SrVo6tk6tq758cM24mIwzqHBKRwS5wnW1a0XTTNXeiAZMIN7mPsuHUvlcRMxFO86vFFzZ4SN3teuHD6XtsCnjpoMQJUIaYiqKAGwnW9DJCul26XcY9nTmkMnGmeyWx.o3a_VY_B6BL0Xn6IdbmC1wm4dnwj06FWbctAkiY6SNnkYV5XPt5SKcXUVGGh.Fyx_OVBVyZnFWwd_TLrCOrpaijaUs2EKAALxnwMTRb3dDwWpvBCvNBHgQ_eZmwM9_rAIP5TKnZWpfX2lJXzNgvr.lFDSyuXLVA7STXDBetP1_9Of.GVNZ3TiH94_Y.Q_I8rN0Mbkw.z2h3iPo8lr4NSZI5fLAGX4eVLBGgau16PaYX4SD3pX4.w.VPw51UF2uT_8OsWEibprM1NzZHICuOzELoCrnEHlOpAkm1FC63NlZSorh3vthlcP44VBwLGzdCv_tZAbX_NBUwN9godL1b.lw8.vkf1E7AcVuzHd5Y53kMYXlpz4I3nDAEbUsBBA2IEe9lfc1TvA3LypkuUDyY.sBc1LicipOJKzC50uSP.MYhlb8yrL19wUU1F._aNLxMOfBYwa4YiOKrKoOv4JN5O8OY7E2z.jXqXs_jS9wZ1l13qaulFZssCOC85y2BMTceOdJUpwZ6yNYoozHEUgYk7WFuWZdZMOT1OqlPJSzUDrAeFh7EekKP2jVXx8QJtMlWnAAYY5ZgurIWg9U2J0tiS6ARmMekNrvn_DoDJzUWrmv_jsZkZIUz6fxOXr28dJkGSt2nuCRjmBKGL.19ezxPTJtcH0cSDkCsQJTltXb8L07dYeuWUSrnyq4LqvOxAxuF5whSnkXt8fKbnO_uaMnlkjz512e1npX1vBvPs1oJMiGrmB_.OXYPjeLNYiTIEIWCz_nwj3fycG1pJtcSbVZSKERxhlRpwl1wFqQvk9QJOc6SaxJ_xg6VFvuBX_N7oEmYWIB6rqyjG7ulu60tGg0vKGW.ilu6ya9Oani3J9kJTEaYwCIWFWBT8b6r_fVKhQBqvEyhlohf7ktbmh4bgM01hlgLkFb8GdbUH04ZZ.3WdYJVQKCzIZyyeZ2mhQFyJuxXLS5PTfvngIYbJmS.xk9dqboCRBhFl8DjnBGukQS9NrIMugQnu1tlQ979k3iO9SU3cAwo10OCABJZo4kd7swFmM3Sca41sb0DwESz9TOr4E.bSHc1LQ.EAvFD91V3FFQvis0uhgBOKrIGFpLzx.OWt.WcEO3bVzxLNHXfT4nqTSevjDC7E5s5zMH5UU_vTyzhto3boWzyUxUkb52mTmPkzI_cLO8vFoRk4djHQ3LuLCOZYJEGjCELvXWWXDAaRUTVnm3pda_p0Q5x1iGvOEHJ4m3ooU44vRJbERDWgRepejNGODaRfn8Hwgmfsu88sK0bqBXv9S_dyRtAs8i.QQjCVniqKjqnhUvTDe56B6rvhsOf_PxlGEVDy1bP0AMmO.2ON7FJglokAlojWVdC79PMOaWaXfR_xqckRBk5jQI_RcO.BYWYD8qFV9ImaQg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fb2eb579c49c8e';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\/6381975420?__cf_chl_rt_tk=FIg74SLaSruFbOAdcSa._Ppq0AQvVrLRRwokXdmzC7k-1739180895-1.0.1.1-jXFshmJrVcilmDAADsX9d_v722ZyFaGfAovmCDF1xXw" + 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