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-affra4lhm.mit-edu.top/post/5061738429

  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-affra4lhm.mit-edu.top",cType: 'managed',cRay: '90f498614fae0607',cH: 'pYOhzX7lphUH4j7S6Kfd3NIkoOT0Wfm3QEkImeNyIPs-1739111823-1.2.1.1-OGjwZECbQDn.8_Pco7lKW3Ys4Jp8Pl6HCVQmDVm.Pd8bpK5Ycvj3TlqBgS0RHtU_',cUPMDTk: "\/post\/5061738429?__cf_chl_tk=bqqMDd96zrPUnr1tAXGuow6tpuSzXcd1QzTx7.RQpuA-1739111823-1.0.1.1-36_wq8c7R.mVlm1ZV9o.5FyDNwPO1wz.FU3tREwDQSk",cFPWv: 'g',cITimeS: '1739111823',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5061738429?__cf_chl_f_tk=bqqMDd96zrPUnr1tAXGuow6tpuSzXcd1QzTx7.RQpuA-1739111823-1.0.1.1-36_wq8c7R.mVlm1ZV9o.5FyDNwPO1wz.FU3tREwDQSk",md: "neE4gv9sl_10oV77xPUvfCGWI27SPMVEicUeywdnKy0-1739111823-1.2.1.1-nIR4OMF9Fn4E1XVVGyc02f5fx_OUeHUwxW52uLfaRbp_YzexmSR83Ig2PBAwHjM04eezlDYBhDnbo19hRAzG5xgHv.KzEcLGA4wa9jo0pdaBgPh.TPXapslFj9sLpvDoixbnYQWo2AKi5TqTJi99M1fRw0iddQFbaDZQf9MTvgs9f3Wa4tlI0D7s0aZ0Ox2MNnQjiBXAUgFQRccHkBEW9RJOTdVLR9UFolVI.6NADqVIl28Adw9.VmWs82JB21o3tk0hkpGftBBs9fQLMIl7uK4L4QTTznRO17zBuKngamkI6M1EMT_hYTCKEyRv2J2_FPvETbqQio7dctmgX_8fy1qbxv1CdFsa8QK2_nM8l3KWyiIW40fcwvyLDcDtqVgFvWlhXTLRY_jRLthd_1qROavx5azc_COxVIwxVp7wLz.3dtll5abq8ML3U46e6mF0MZ_ehs9eYhfjov2kE.o6Y06_Llx277TzEdP.OUlZeaYtK.OYmjjxnNl7eCuHA.CLEZIM5BvBKtsmXhEGcFCM0iFyQ9YI9Sn4L6cfPoQbnM_jauxkuEZa4u38SFfshZswyVuDq3vqJvqYrD.7trTX0pcguPSdj2jr63WNh1PI1mHrni5Hn4Udagl4zOm_Jwjkh9S5sw32ZzP91wdrc2.WnjHu1Om9ssxsdi8PhaJVLJH5T_47dpzcEftqFADooXN3yI4THm9oJQDV2DnghJCVJzvzKWIIYGul0TfXqX3tJqw1u0YLeU6RQDJ3iuXdK.3betWzG5CwHFT7fOscQ_sl595VCrq5YLvn72kptWVfDWAgYwgo0E_f9VOjzQJt1Cg_LMusDGmUNj_WSKU9_bDis0fAbJnF6OxUJNulbhxZ7I37E6C9waj9CfGBlLVDtrUuHccESLQXlZ1xLX43Io9Iko5e.a_5ZN_HaJTjC5zOje9YdY92Bdy1SpajtAdNcq2iUNC8I.PHUBNazgkxaEUX2gImWHCozrGai..vDlKCwplJEow_F79V_Ugl8E1l1XFQiGqxIfIrViLWyoN5x9FMNPTU1LQBmgTft0Wt8NmR_zWi0VIQ_NnSP0F67KMPomEO4qzzArvkbCbn_3imJdxQYB9O6HVdx_DxMInJniUmHhsZd9rvjsFzochuMB.TZlVYwwgzahXJpnFxrnogrdnvBhR9p1.k97ZpoK0J0UlxAcI2yPRJKVqxiTx5eSpKg.EwyE_.YNQaeQAtsq18ylHsOWB4UME5knd0tKn3rn4qYuTTcdwZLYf8v8Xp98URizzxgz6EFS1wWHSl8uFlFHg.olSK94bjJpbNp0pXEcTslrBwnUgVKHAB2Ap8.aX5ae9RgXKpjXBBM3A95hibK9MyvaJJPkdlf0tP8JfX61kv3IQXM4j1ykoBRSWJBIAePAD1lijL8oSTnejks1L2k7IKD7MT_zo0Rx2.7NP75fcD.H4kkovwf4r66egQ2rke9e10O4PCsyPxZwJ1ycng8S3O2LsGGZNnH7oJsT47PPMpm42ldK1OlqmrRpkuaUfN1LxZ0dnJCRScL42EEmWXaJIhYDvBwKhJvquz6pkl13_vwM8xQNcX_2d_L_12IMazyyTXNWaApPVlZ381SGzJXIe6yHQo2emL7a8OZtgeTSdtvu3IleHKn6skUuY4Oiu9PenFSaMo9aiKGmOTaKsDuuWgvJb.NJtemvCzUEhjAc4.0hgvW4NAhIGDznrgYUGwCJh1ATx1xgr3vXZTzTpFw4AXg7sDV52zSm2B8clqZ.vMfCXeZemplxKF0j0wFfKOXxHmi7XuVzcybGyV2m6subREpHp4e_iPOPHJzKR3GEnG_TFOqiXJcJK.sXeVh2u2QjyeXlV.vfhfIYA0zFGwml50Q9PbQjJ9OuXpqjmwkH5QdXgOxmbG69UZAAPgiokWohRwNB7cl6hAs67Ma2VDCuthaAHdrKbw.PZw3a60mu0xXf.tS.UYA1jqmyoVmWN08HTqPCyKEl3rWMXLEsAUEtJFGV8XT.t3EFtOinoMPk5hhgeBFM3ygACOo.fOT3B8_PZtPjfIUgA6B0qvRm02WLG96qnJAFr2ZIYpLHg49k0l4tJsB0a6_lHI85_LKuVNzK.RCRC_nMZlizKR4nuAQuNzBtl_OO66RnPiCYRPI70Q_wf57DeG27ffStNbOrcu7Gj.5Knz9CdaZQP0C0maX3MzDqdpXjD7gLWpCN6hKBwvgtzLizIDOZnHTYQtXQh0._fx",mdrd: ".M0T5UDNIE9fDPRax3BwkH1tpxvj42zcvs9YqImBjn4-1739111823-1.2.1.1-brnlz4zIHebp8rttsSPKarZMF0pEfJQsxmlAVcAt2C0eNk26pVm5VUAmnhbK4y4QV62iZjnEk2IWGf8X4ATB5GCS.zjFbDY1P2.4sbyQlvQIC9jR.IXBN4_QWO.ZCEZWxDHmOdxPDvm8Y9bwyYW9R4Y4.2YCLeOdjd8II0iZRH49cXm0u8ONOalkelNH_bp_zhOPIhNTL_19VI7NI63tPnAd.ADQ.uYKCxrJbQWYlQQKvfRU5HSP1eFJrkZvk_d4i09hA1Hh1cj6OqoHIX.o9yhBuP15.G.yH5lH4JVT8E.5kxIUH1s0gGkn58k.8hQk5id1FBmfXf8ByTnZK2KfGiE2om2s70KftbAjQHpe55TLf8eXDHY0mdcQHOc6kGZslSzju_H_HBYSEABsglVA62RGPi1v_djesUp_ggN8kW3mM2Hb8Q3wQgZiMIbz4rvx45HvvYFBbZcbEF4CaS7nDPTMcixNPOa5GKjQ1TjGfy4LUlWkR09xHEeSmHo_qMPRA80RJQRCRg9RGWjh07jZvXuA5VQ9xiUeksEhRFR0Vnm.Z0eG11j.hU24yNg3Ii4MRvq6mD5nE37U5xYGPLkxklPZT4LscajCovAIXuh6rdYlj5s8N18GWH14dvnpp6KAeTBSRWzIg5eBcCoRcjA9ZQHrnH.wibhYYWWQjmBdx7v0Mn8X.d3hsnxlJtuX0E0_RWvinbih1gbNgE2tbsIc4p08A1Z1AeJ6fI1ccpPtYDotI1WbLA8wf2pDnR2TiyhLmTiCfAXxBA7zokT6f2Haf1OzEJEAYDoie2XcipzYiu2g4vBW8eRagYaLFM9ZZB2Wf7nZ.58GDfd3w8cNG8fhOHdRNgQQ.r7rYmqawsiFiRmko3njF1j85GWrBNJU_eQ7NaxiD827m.VEZ8.XOBDJZoKoL1atixalfltkMgK6gUOh09CT5jPSYnUA.NJhTOoV6RhvHFgggfWTKRUcjmVglP9.EdcIw6_DSuhlk9OjPufwXznz.6Ho09cvJY0ZsuncLjRgne_XbhCNsOm1zJp7bb1_8BZ9ho1RGC9eAnjSC8IXsdZ7PL0S7LZMxiL0oYWvHaowbtIhoT4evB9MzwMBm9oTRq8KRcvkNRa4wzPjyANJVQAHxxuh0XqrzzozQqvz4l.fQsvHnanvcUJ8RDsrs4KOTO8udyVX3caqOya1L6W7Xf.aOfEHL1rAGfzxX_DOIsy3ytomh0wvqvbeO4K.6DF4jeWynY5pYKBB4fhuW_ekhuflXiM922be8d6wUhSWdyeQyD_gR5mljD66UrbNxnN0ovdVqNC7EwaLMA8zln3jMCgHC1p3ujrgHKV8tN_UTQSqxBidi1AI17mhRw.7Wx.jxRbmiVWsfawArJHT_4a2GAlFIBzRWRMZbuh8qOQDXIlgqiMZN79em83dsfHDav241X4IlZN.lMYwMJrVqrnsm5XCQEzse9w8zh68S_8GcPlXOsY6GysbDU3wb3AyC1bJAA35EAYMG5w6FuE9SjcYE0DHAnnt4paBFdOD4PoBMjj1M_aIZQN3Fd5ZRp1I7ip90WIPNCheimkNBB3sTkxqbbNf9UafYoclSH6l5QeNxfXU1q2SHVoCNkvY8FckbagTWQ4p79cBAy7acN3JSQXkUkmJwB_zpw53LgHpoLkhhM2PVIKVQdV1SRsdVah2.ls0Hblvw.jgUXLkwPhhXNbu6PLLiwp5AY0T8Z.MO0F0aeJ5DgcNTF01yPJwdiMxk5R4_T3IMi0iQSksRncwjyW6P5e4sLKd48aU8IBvKL_6.9v.ScMr_L9VfgUI5JLms.mE2lw6b9i2BkkIESKCsRo"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f498614fae0607';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\/5061738429?__cf_chl_rt_tk=bqqMDd96zrPUnr1tAXGuow6tpuSzXcd1QzTx7.RQpuA-1739111823-1.0.1.1-36_wq8c7R.mVlm1ZV9o.5FyDNwPO1wz.FU3tREwDQSk" + 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