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-affsaj3pr.mit-edu.top/post/0125876493

  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-affsaj3pr.mit-edu.top",cType: 'managed',cRay: '90f3720a9c83c96f',cH: 'ypLBeuLDmm5PvIC6ZkIaSZ72Pu4ZnWOoW9zNRU_K2gY-1739099767-1.2.1.1-RwZPMR0NfmlMb4Fd48yJzoINFIT1FIVBEJmYcAw6sZEKlSj9q4fY.9EsBQ9Eb53a',cUPMDTk: "\/post\/0125876493?__cf_chl_tk=HIV90myNfGAdSxfp3qD4NDzCX5iMLcXeqvz4Sf2R7JY-1739099767-1.0.1.1-Jo14IzuCU5v7Q73wTl2BPBzPkNVMlfE.GLBvjyDSefI",cFPWv: 'g',cITimeS: '1739099767',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0125876493?__cf_chl_f_tk=HIV90myNfGAdSxfp3qD4NDzCX5iMLcXeqvz4Sf2R7JY-1739099767-1.0.1.1-Jo14IzuCU5v7Q73wTl2BPBzPkNVMlfE.GLBvjyDSefI",md: "xsi6ZeOrE7CoJko64WNKkzUzQlf0TN4.mLX9q2wsweE-1739099767-1.2.1.1-QWoBXS0hLRVC2D1lM96oL0ijlvc3fAYaC4eizBpBF5JhFLEsVWBJemUvT29tAhTZEilkLl6EctB3fTdrpFKit4yWOyeDbal.qqe5hwFP_Ii1EkYSw9.vYbXYstNJ_puA7gCheCmYtVh.tzHob4NOEFtWNM.dvGCLyTnycwlgFALKBZcl6_Lx4AeACsfMi_RKxBEzAfxQKLF4_.fHSgGvOKhD9ODGl2BQotDAK9OxqHGtru4z4Eo5BYbVddnHxcwC5od8qNhJIK3l_gDEDrmcFoFf7WgWefYF5QC7jLSnxjNyikz_UAEuyV0VxmS7tYVALZ0ldLnlM9Y6kyrWwUGppIkCZi6tOLR4vp4ClmtdxNqmRb3dYo5Slm2qx7GY0xNVlRX5.objvuFVGFBD1TDoqbC_Gl4Q94LMjsvZtAOHiwYIVbC9KA08Cn.4m08WGx0aKdWgiXEPUsSt9tHAWskgItRahEVOMqVt07T8fWrie6hzJ5fmosOM3Mw9W.AtnsX6IkBJoktyoUj7t39WnHneRXJwRZ5znDKkzo7id1jUdDOP_iexr2gJjz05_8psH.5Ave4CYKordWMgP35ciuADv8.ygLiLw14.NQDpStAibEB1ZO4K_RyOW2mjpoDORctw.anr0ckwEnhR4E2AWaIaEM1MYi4W78zKxfzD2uhGx_T53mp1vD5WHysnWNFhUhpJprOPCMcbo1OOs44e63nllYCNZRz6BWXUpDst1ZTcNdFDW7wEnjtBR0p0_X1DZNtUcufCqLEQr9Oa47yPwvu9U2fAoA8kG7RvI1Qx4x.NRFZi26RzLa4zS1FitPz4c4qX5n6W_Z2Cia9CD.QT3KXGF6yMFU09wNoxsWKAnXke.tTYyAg8AE9AS6BUDxvvX6QwES0Ph8wfgMlaVHiNNqdBv64YwCQnXNxRpdKCq_doBVWhDot9Z_53Mgsg.CzLu9G0NMxeTi2rllYPDjtyr82AyFyTGIGDeLcYGEWwficvMJDpjhX_LZ4p1bzE4FfiRG8knemoDmve41nPb3P5U8L0pWsXgvMst.S09mGp70rTCxIlbC5gw8ymZxsPRzd7j.MMfZPyocyOzLHCWs8Fd.KqAgJLWVuQypR4HmVU_rWFve4ZcslZPcW1NgFkI9VwQwM3Ha.Ezo5gEquR2ES.nyvrZrIZMMnOsCIeWcbxnSNri7teJ12FiyA0l4ZGI9SxeFMrZrznGMzES79JuERd5FmGc17MvXl8NJx0lgYGNyY58SglXPjb8Q.A7eSw5ukG68Aj.pUqyLZ7ZxNA_RyZl7zaquyjqKrS2M8OVuGXCXZflzrRvzKy447lEvTx72c4Z3MnRfB599T7UV852M8sEz5Idpn0r3zupo4skQsmQ4QK9ywMtkfkNRiqVMr22S7gxPcYzysGzOAG3QLrox3yvDkYAkA0y4tZ8FVfnZYUIIWj0sXw8If6rMfJ5_yxPTihJbcLSNTcPh_DM4VcbrQ74VW35k7G_k72j7OyRLkt1Vof4qU.zM7_XAHNeaUBs6STOHaf6uiVqWnpe3eNUvYuYVWTG4ursusHwFyt89RokW4SDoTcD.reEYuAp2pkc_DTsLvpZGoLtgLzlUuDdzEIKkFvHo1U0DP_aIqH0LBXy4MLRd9lDaRxI15ayl0kO4riHKl._hJ6.b5pwcC.VefDp7j3raPnC5.pl9FdlvgPrWwtlzahrSxqBWv1vfEcntU41sm405FzQxKDeMUxJ8odLJYsjNn55PEEWVdiDDa9TtHirkkWyKY8yxcpx33sFTAgYJXuWSJop2RjLaPpVvKs7a6A1lRKi8Hq7HRJB6AV7wEzBsfaMBTSRps_7g7QMoUjz43bDhzhuKiHXiWi6nvehOTzY_LFOZzGwceWdd4efFtyjA1jybAeIkKuUVemhnX4NKOR47AGEqogcTPpXPeMMIbQ_jS_LXeXYIxKgRtKxdWg.kG8UgPtMh73tAtwj56IcVKf5eQ0wpyTtLNeMqvIGIh1yRr.7ylOHkkIBrb1hUWfA3w1FkfIqfS0A0RXcl65i0sWoC0PUVMsQzLwX_tBmSWi8RPC_K08snO8lNjAzDyxaIjOhf.lC4Mw4hxW4ztzkE3n4wFuFGOOZIk0yoSd4kYv8L8hjwq_IJRF32KP3l4j33SjcCsFdyHq1.hd1qT9i4JBMTbjipgtlrxC0MPbc33b.dDGFJICUcjVIscdqNwcDdVgArve8nJerxf9a_MPRyMF",mdrd: "pMK_hkBA4PFsAzd8QQNdgKI_XStGpDM1Im6JZTsehCA-1739099767-1.2.1.1-X9h2.XYH.U_cbU7FiEvZo9l3cDM2EdivWehYu8s9eQH3tns.gvupSVxmAawStrZwEBNENrmszKx_Bcc3_nQQxLk2H44noHNiPS_ZlfyUMzm6zh_zUvR8.Cmhe2uFa5PqyZDZHhjyv3Xl8nDnvYnjcDAR92Xb8pbZQpfkT.BJHGWeYmgRrrEX3PxPb9X68GtNb69l73axrHorSb_Kip3OCO3Ev5EX9joby84Xxo1moxF1mu2KeHDfA05lMrJa10Uh6G9FChEH82yjhuSNgRCdGTOu7KYW2SrCEIt219Q9rxMPhQ9E3a7x3bTJnLBOXiT6t75w7Y0lvt4SkbGzr8ttUPnB8dvapZHP7PCDi10lLn05Fo84hjLRlQ.pcWKTCo7y_m8Vwk4zNXLPZRTLUhGX4lfP3p7ztGsl4iONyxSPxS6z6HWC5CExf._ZE9cfVSaHqOM6voUVrRbwOw.pP1ikkWg0s3Oav8fOXmvxKhPLPiY8SvinzZ2RexJFeao6WRddvhOSzmroEvAF5AZhHv8AC2V4VI_.vLmDsGRQQNeenz4bItVXFhFmxcuTEtq3HjlkKzG4j2nzD.zwAK97.uaV4o4aiifb_aKS1zWxg4dLVxTbnyOZCxezExR39YlDGZXFtUAdhMBLrjf6exbHGAQn2wFmeBb_6Bq3ZYKCshRa8LZ2pmjpekbJye3l.apgEbZ1rUas11bVewug53U2dBujzjVGZHLkAiOiPLhZ7ihdNMw__CCAJHiDYzavROqVGxxY7Z_6nEsjgn7C2R7jkh8qH8kXlfX3eLKfyCMr0QECYzrgbd4mTC9IJ5moalPnAGf.N4sdqBR0r8OisNHGAE6vqNQXr3ePoOCnrzTy56Rhje9i7hy4TSsondL1qJPhUNHtwevbjXm8782z15kQltq3WeH75Yt1Icn.rurkDjgQAd7mWL7CDAEG89qX5j1MnN_ftNzslfaKdsPvZ8njlDTt2_hiZI5zYsKQZtxmx4tbEOgLVp1tCOW3PMGc_RsuDZCWNo0YjbQUeRF9U8kzkM_Vwee_OmE1p1WC33C5iOOPbIZCzbXmxXnsx0t9gZSv5JOjbaU2pPUgBJ3uxeP7kVnXVAb8iYaBGc3BNPuLbIfBQJ3QH.a19zDmt3BGQKYvLG6tWpbvYd3oYKHnrgOFgLfA9RGhdNHfphpFBoGtQA9urrPTYQxFBjWV10GV42Uco9jarAUsb3Oj9EgNLE4N99op1fDH6kp9exuu17EOfKjmXOcRy.Osck.breHUzgSs5Y_7t3OsSCUHr.KoZHJKOPHQWBSAOH_mScNRNrGD7_e7llK7TlO2ztJ1PRAWOtH7sbJgBsosfxDCQV3mEJrVsj9J4SZ0TW11JyMlmIiLIcOVLsg9cwWpnMEAaChZpcc6b.30WzFGeb9lQIUCaCKulYpIR1Cbs.Lkpfxi1NtO8jg8Fw4ncSwfqE.lb1UzP551zSdd91xQzTJbxwKWIv1OuUsZhMpEFzWMP8Lx05qKIkT66rlVH3xEmdQh_576.EEm473SWTLkeCgLwmK7svQ4oD0t53GlHmLHVoawzsail11R0pr1nQbX8B0eBf4_jhjRLdqYI11rMbvui20j_p2yD276IQfYZTJhXeT2k9Z39Am0atIFWCgmp5QuExHwPwz1x8wD8a9bdBG5Rag8iybPDoQhstvS4WrVg3NuC5DMKvKLAL1pSLo3XbPGWiW3J49pP3qtER.KQFo7q7y6STo8HYV0X0m2uYiXPy5CJmgEdLs9KnZbYLCiVohS1SIXUmmZ2eUX"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3720a9c83c96f';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\/0125876493?__cf_chl_rt_tk=HIV90myNfGAdSxfp3qD4NDzCX5iMLcXeqvz4Sf2R7JY-1739099767-1.0.1.1-Jo14IzuCU5v7Q73wTl2BPBzPkNVMlfE.GLBvjyDSefI" + 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