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-affuf8b70.mit-edu.top/post/3042618975

  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-affuf8b70.mit-edu.top",cType: 'managed',cRay: '91105b926a9b58c6',cH: 'H9XkMqEDjc4o_WKzP1XWGFSy9m0LgLjjbvvOtGgtmHU-1739402934-1.2.1.1-eX6xg9yZwrD170nPJPrWSqgA93hKWlZ_srOpMAdLKPg0ybZTYpK.GRTbzns4UE.I',cUPMDTk: "\/post\/3042618975?__cf_chl_tk=_.XElJG7fQf8XzErwo3By_ubI_Vy0C_ClWMACmAbtro-1739402934-1.0.1.1-XQWaHB8oWfigsCiDLHiHotFZR3B2CdtqpXMo.CMOVtw",cFPWv: 'b',cITimeS: '1739402934',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3042618975?__cf_chl_f_tk=_.XElJG7fQf8XzErwo3By_ubI_Vy0C_ClWMACmAbtro-1739402934-1.0.1.1-XQWaHB8oWfigsCiDLHiHotFZR3B2CdtqpXMo.CMOVtw",md: "AIys62ETGxKfGSdCkOIzU.vQQFLdJskkMDtB1vB92zs-1739402934-1.2.1.1-RALUhJskuXGuI6Z3Az.ElgjA.ae9acIjihErXS_UYKfeOOq7n1qLh08mmcuCgqb2m7CmyfIuWKch6yNxUHsn8u1GHttgWoi3GNOKWS1krTaogsZajQo02l2QuI4btjvizC.1ViEKcBXzFH15gDw._W.d3Kz0kcMK.quqRxJID95YzkbY7fGlMluSLxJZ8.mOhQrfH5.ynDn6MPmmkZt7SvedxcmnPD0U2bD1zwy5udIOnrlOlp6N_H3q2cqDcFzv6.DxBDUjbzOtssx.YxZmAAmOYj8CTrQpmY90hBfoF69jzyGNySwAaGTv0LcdyqYO9q.nXMOVY7a2dAkItiBj9RfB_pBWQZKSMzVfST_nXGxZMcPYVKgMzQ6P554kwI3aZyz8LUrlpc88Gg5V9KouBLe1G3b95ARXBR3z.LyC6HNLGej4XnoiEl4w8_35ohOO714aGiI5E0oqTdljGRnumt8QltaGHEqZpB5cfSoOqt0g.ZQVCSXDyjMCJpaFG.6Ry9gGH1Fg1FNdJHl4QdIkWxLHPxT_bWiRQEQ1Vh2lmv0_Y28it4NQ8xTMXzx7R4iNdKelByYIj9_IOfz4YolGrUXKY4PlDuTjxgT1jvWBawdRkHZDlEvMRz5qvNd0lkjH1nv84xrIVJ8sm3.NHF3BwFtZBlRvowW.AG._PSskEtEhK8x0DObiuPlG4n8_HNAZC2hqdJe6wI9qW1SIfuVelhhw4ZHHhmdk80o9oF7h2J2P54RQp50xn3LAB95c1KguitkiVI328gWoD7GhUL_M.nKexITHtEYEa7d.o42khsqxy47deWOhqsHq1ZCNmbgAHLp3ZsKuGCN7pYmMIujE8cXtVd3XMmTclUfHVpjrRnC5YLo.72sHlMQ4luocVhsGnTDS2EDKXNmFxQ4BtiY4lyML.ESetkNkIAI6boNWgNc9bMPTU3WxaOx6WTDD9PATkA48BOM0CvON0C7CoxPvYyMXJf4U0tEYDDSdO2zabz5E5LNQxd7p17DosYRdIa6ql92jj0D7A.kgwpAKctbQ0zGQUsb2Af0W6f5y78j_3__dk8vT3cn2GDPN03RxJJdTdogywX5YRZIYay1SEw8FQPEEoTsTtuvAZglUuE49PNo3kd1QJK45tEtm_vBoRHuuxpusZa29nS60_I0F2XowfHS9qMZC0qCoTdq1zKQL7GaefMUPQadYS.Q1ljPndNQSdpQ7hQxKD_Vj_eoJv3Lm.V_nChRKippVZCXMnJVutw2enFouTqzZyZpOFmbjWZd67kDPIhwiOTdcw8ZQi2Qa2v9YtBybwPk3sHvTHTnKwgQeSzKh0xyqs641PiWn0rfGLnpKa1jgmO1fAhKNjEgk2X92fFoj3uNZhj1y02_MeppqsNxo9Js_lx1Nr1A.._HJdowEWL7FCrgRhLcw7.5mR4AFQX7pTRfo.443SXcfFwBCuWF6QA0RLI9gHwCNPvPaPH6kVP6uIRG1WhGwvcOD4fjK2K51ItUtiZLwCjC8xhNtTEKOj_aElcOM3gBtHReXEMRuB6pnIGOnSJdx09wrHA28qd8PO45nqN4QP8B4simTItLvoKTK5kJ0whRIePNlgARBpLQRIJAdrbFcPc1h6M3i2P_RKsBTX9uY_3kYoSKVJSDr_6jMYHx3lkkUTQnIQtNcDLVoS1rT8GwFeT4rTfkZ9Rs7cWI05gisoHGpBpXet0CI.fgBYeYWNl44V5RXV5ecQxfnwyyp65rGulQ4AR1UM36p9QIJsTCnsvXSyjpWMf4F5vwQlO1hNVGhKj0BlLvk1BRRU7IbZrM2uX.4OLvb9YqtLUbuY48eHkOCaq6MarA1B2Eh5DSfSUuNnwU9ONur.8VXgOiNs2LpfOpHDdU7emo.nsOB8es5sjqa0gR_1gLNhS4NTIP6FSKcw8JXARNVGxOidBnj0RrjDU_JmCBo5uhQdLTXL7fTG7iEU1KaIdHSXbUI2EamtHh14JnXw00NxsZd2lUb1.u.Ldm4JgDnwDVDL.pC42JEzAd4Qz5o9YaOwoYd7hqXdYAVTZH1.T1iroraFgYa94srlPt.5no3bdrJIqr_nOw6_GfxqlqjvLS3a_2_K5Pxdh2UtNeylP1wp6gByJy64evmNB7MQUevqSTtBMH9v0JUHETjwwAilNRtTwgfLD7YoHwX8Znb4u35MQ2bUDKObpGDZ__75EkULpUg3_UfxsvJqrhfOE2ZmzHUITnV7Vp0BSgMeEqC",mdrd: "CzK3mMx9kkFnO.liG.DjUBUv_bDg6aPodovmlvToVhc-1739402934-1.2.1.1-qUVDnkkzrhldPhy_yjvO5p9IGneEDFVKRM3a3d28PJ6y_6i73D.vb0vbYBqvpAEqGcwDf_CFcLmcpzu3qv.ZQu2LOT9VezILGa_9mXqyfQEfpKYvI.A1zSUxVqNWzu0rXrGsFhR2KLJ_QV9DiGP9NQMQa94vCqXnOmkBzOYx_ockrWU.p3umd0RfxiJyZVoOAdM96k0DkKCpVfgSpi2WVzsWC2CRYGFSUTtTMMPvXuWOBzpiKwTCNbs0ENx0UtRXhwSaNZoexLJ30yUEpRZfoMss9omgM4fSKm4AEhdCgp4vNBzdlnzNxzCtf4QaCWkJwx3mf8omp9x9sWxpyguQHcE01IwTMshRYvQECLjl7BKXrsIJH_80DPnfZ8BfuEfpRXkkMvvJWRhrhhNEq.wb9gHSwYYV.1u37gV0T6vefUDsqWz8tO.hAkZCgDo0k5qWfYiymQ5fyXES_qjyCWQ4MtkYzUuEtGu8nDzU0KfRTBSwPALCY5ecsdkeZURjtY4FlHqWJJ1F3j9voxsazeVv_SpIQTcYMO093GX3JT2e7Y1y6UsX08BaBmhNn7fU3rkQirn2ehSm53hq_u1JEMazHalw9x2FQScDBJL.t_VZh.v4DoZrY167AMLmbsfRDqH91ODLzFR7p7WAJl90sOTX1eiM9jgRH4GvGOUomIslYJpn2YhH9UFiSeVigL5VVO_O9dXhCwsB7RTrgm4qIArQ8yxYo3Ln60o75xHbLQkxkpli.6bC9o34YCLy6OHMaBZQ7UrSZ5J.7lKodH2YnnHxgOmgs4xDEHAQzNeO0LmY5WOXl7CMeGia8bcnCtPWLs1Etug1Z7enGiSbjDRvEg59aKYun3COcMWFXnHEFxNjmrFOghcpyBv_NknFQGPMG4wKNLBHv1U9i.9olV2SGjK1YoE6YXfnXAhhsz5DJ60qh0rNbhC1sCXGFchKPt1M2ny5P.yNGmz0eGV1DSRooERrENQblyWNlVGkDv8r3hoM.eYXZrX_L3znzovsi_To5F7on66DN4ZKFZRE9thzYbCw6qWsdMHJcn9bRLxE7ln4RQcwfL8e4OtjPWw309DKHRm17B8NDGNYtbWCOw.N1VTqfgbsKtAlB65tReB8wc9kRIfwOq2D4n2s3NmuMgzqrS1MIA7ijq0cZ9FofVnWXthXyVuH.hjVlo1JGl.RUSabb82MEic2sZMPs2aKlDsf0nLm8RUYBl8CDZV4eJ.AvyO.u1t_4.beuGeHUZSIuxFobtj3pv51hqHR4gYKYRMuA4t07kta1NGdHzGv7ZeXpwSsUtk3ysskW3xWQZPlmRj5z2rXh6EPswER2PusGivUjEz8U5BLgj9YYUkyBc4Dy67m_CZZCAjhriRlaNZWgVkSDMWvWB78oHdksDmJtCdyNmEQw4bfxQJkbd0IZx5pWHfEGUqEPZrLFaHYtJ.3S1z9sbE_1LTtxrhNdX.pkHMOq0uVSuuPJfp2KsqqFYokcUhWjIhAkB1iJ4BhEnSYjN50RBM0XMvIW5sdYjEuhH2vkdneQJfkqcQN2aZ3JRkDHSpQ3jU2y8yJhR2q_e2A7bJ19DiHPn.odrgEMeakzlg_MdzKKxGT0OO749y6hf25j1AJODXWCISJRTi6Xs6rk9.rbKpV7cP37VOu7nijyRITV0RR5mQ4FO7A_6nKxVwB9QBDRnWgX0b0VGc2hmKG2Cljz2f8OaMqN3aucS4v.n.zgVo3eQ6et3ohcRcg0Usfv41uXus3eub1iKmkkBW217j1utm3oz13FKXQoZuEz8tMN7KYrrCHc4.OuooZHJXbPG9HQfx27W2cfVRhVVQCVY1Pu34"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91105b926a9b58c6';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\/3042618975?__cf_chl_rt_tk=_.XElJG7fQf8XzErwo3By_ubI_Vy0C_ClWMACmAbtro-1739402934-1.0.1.1-XQWaHB8oWfigsCiDLHiHotFZR3B2CdtqpXMo.CMOVtw" + 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