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-aff5b0wz9.mit-edu.top/post/8490352716

  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-aff5b0wz9.mit-edu.top",cType: 'managed',cRay: '90f5f59c0bc17faa',cH: 'BQZCg6kfx68dJlr1hquyZU.6Wn_2cthr_LaOcJl_HSw-1739126128-1.2.1.1-Y5Ao52RWd.lKuu0Rto1tcIs1ddMMM_ekzSFIeCkA7odbxwl6NCVWc26rTRKK17FO',cUPMDTk: "\/post\/8490352716?__cf_chl_tk=U9Mr._IeBuNXVT11ue.YBswftfjeHPeyMbshDaNezN4-1739126128-1.0.1.1-jfEeRTyClvN.SJbjiSc99yS3DviAut_VM2B596gt5Uw",cFPWv: 'g',cITimeS: '1739126128',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8490352716?__cf_chl_f_tk=U9Mr._IeBuNXVT11ue.YBswftfjeHPeyMbshDaNezN4-1739126128-1.0.1.1-jfEeRTyClvN.SJbjiSc99yS3DviAut_VM2B596gt5Uw",md: "yao9M6eGNa0JxqgMpaMvrcin95dIqBtLWsnMycOsV2Y-1739126128-1.2.1.1-dtN1CShYUjT0C5WHN9bDpN1V9HCTrQezA63Tjd17JV04UJXbG9Z7XON57qEyNXSQLCfi1RKcmx8L25I3HcER6rjgrL3RzNkBIB7TW4m4TC0owjWUFfRO2QVwBLuwg9hv.75k54utXHj1TUZ5Njav2U.7GgpTXYDekMja0q6rjIDiB8kVs7hXiaEGrRJdsVqhFKXb0g_p5ctDNhC_RncKLQ1QetGk_bhcYccSuT9aXpdVpB2AtGcenbeUvjJmvxq5wcUqeASH2NNR3TGU6wjPagpr3B_K2b2pmuqN8BqPQvnDl.C95uvwJerhLcD6KLkJHQSTjkRmFfFzm8O5c4KerrXJlg8lDk18Ev9KvUqMIXiJ77DzsBHaH8zR9KHWvfB.xnMitDeAqgQwdH1T0HHTXNar3CyHoy4oK54UtcQxjA9s7xdMFDaciWouWd9IDJrnPZduNPjpQbkEiktB3mQGIO47yd5URPtqoP_GZ2c9Hqq_O2pDZZT1bvPycx6iiNe5BEs7vGavOOxXY37bpI3Cw0DyddLKm1GLqGE0kOIBpJI.49UqSLwpFwdbJNxX.158TY31awjGAUrfkqDZgWZfxirTQhS7p7ONWXZAyMk92sVxeQ6aRwj8FXbhJqZtfcOJIHhei.DmF5hQDtqJBMfpNUMbxod_vGRM2Ahw3VBzPxKRi3WZWV8vruS.bohPZ8OqQWhihHkKpmKhBjbbqbbJn3mt6WRWTi2lz_z52DPszgPHu16veixshakLsHckodnf2NyXioI.BprhUcTR_nYL_lGXtsH1A00DphqZfmk1wfTPc0V5rkFx26_oqySfmO17uYVMFzr5Ap1t4xPShY7L4mblCg61rlxgRMyz3Z8TkGLKsSj76crknHTbKmVwt53tzYKCmvWz_lQYoBAmxRo4zuAOEPo6POlb7xJ92BKyZYwWa_NbUav0CeJQ88e3syC7Ouyeuu1KyjtJ0XBz2luXnwGXJ_aWMkH3RnIh98qYiR5nUsd8YAuP9koj0tU.y2TdAlkSvyCIb7miZlMIrfdaXUh0kPX4BlPJatrpBkz4p4Vvj7movIFe5p5wE1xvx7WacZPtfigu2Xe1AUe7hDVE1AtubEo4YZ0nFJSLDyYU7nwoszvTdyx_CCHLqyy6YTvUAhfCFl6Zdnxxm0SbFF2LketJYAnrUuUwFAtsE5kvIFPp4Ej2HA.rN52OfF4q.rStKVWjhcBKEItLK7vgM17Th418WZIFZNmQOZFVhMP1oH9BE1Mt0iKQe6WSr7m88RrD17.Ko09Hb._Yv2jS32oJoQYmOxgUahhGZarth8HTdPeWSWLgIcsRPq9ArBrD8xVA5h4xMHjWZm06THD2WUERndZ0GOMX0GE6EFE8OGEgs_LQNOsND8LXd1V28ZXonn02qEM2a7UvRtpxRg5xg9KbG5kQoiJmznV7Bhho.p66G1qQJlUV2wRdpWWnO1H8xDlm19WWMPof22miqYzpHtf4v7O1JYxYsyGiai8BqF3Gu387z7MBf_OjGnsS.4c43xzXLJceT5S8YR_98mo6aoZW262mgcshQn7gNtlYWvTq6X2fVfWFawtX0M4b9qKy3RNGTzmWjmBkie4HNu9__n0bT6yLZZK.DJeOpp2E_TcLMYZ5e3j0V4hwL6FIKDCYfllcVtFrTYxUrNN3zXlafFKCzfksEAfk4CPrQfjql_g.aV2tsk0_EI5X7.XbisIMzO37DuozDK7.PFC1pIqhx6CGc0a2zUfrA67ZZc._vtvcHfLjUbhC4IX3tux065BfUKs4z4JUkD8npx61UWYp.ZGNILUSlPg.htPMLXpGrV_jlC0NoDsE.5TzwVKkLwOfZ1SDxKgVGEzbzZWVAORp1Qr3PRmx4zXE4563nj5swrLPFbHRHZESnrssKIcwtYtIkc41BfHpz7A.H.OlRLn2GJbjBtHPA9MSUUiNZnHMVpx3z2rDnrhss2fzUAw50d_P0JaBdxaL401TvUbC4tw9CcY6T8mSDGFrzhE6d7PFZE4RGh1rMzW7VkLKUOQn6Izw8pjOo_4cvSW6KF7dKzUvvA1GFYf0H34JW4ZIxx2.7NEmOT6Jyh2etQDeOG86TUKZGyPaVipzVCJjcs6_7ubHUvc9Ub4lHNBTrbpKw.gR4xZpSBU8kpNfsNQQ57.4rbCYpQV14RUE9Ghg8DYRtrtzw2oo9lafK6OAo9O38arrRRhVo0Djk1WFvUo4k1cAiS1KrTQq",mdrd: "uezTnHInSBJgNhMWNABt0Fapl3znIkEg3Wotzyu0XE4-1739126128-1.2.1.1-FXEb4OwO3wuoj6qbycQUIQjBKo0epcDhkZMSA1mWl5KWevT1OqhFlikRIN8IoCMT4Yg51tPLGsHWU4igggdqCEXVnHwWaUeJ1tNnnRN1.er70GpSGVmk8hKYZHNptCbjci.dw.mvf4fGKp32AEeVRl9GGMwOyiybbRHb2HqN945thpUG_6lLEYBEGpyjXY248a6WPnkB0Gcs6BJCilYoHucY6G7gtSjt2G215RokK6ojP1MuJJKZrfgykbLl4gh0sXKxz2ooR.0qBT6ZkyXMrN0Y5iObRist7SH11K5knFiamS5tbTixcMUdfi8.3mJ0n.BTa8csZSZ5eLdCsuMUsx40S1DjNL44BghL1DDsHE5Lis0E.PV8zvVCDKaaGvzb.C_d9BP7M3kIohB9Udovl47NQUmSvLPwmcr4sjSIeSWKqQr4W6.WirJQ1dRTYVt0yfw__j.Gu._eP34Ok7we2N3cnPlY.NgmDJ7yscyCrIzlfnjTdu3O6bWrsrKG6F1COQC0_.YRypTXLUc_DBNEP2eLw46gWTvBbmaEASWRtqW7a1JM9gwJDiiejSlkhVPU3Egj1IpBL8g4hW96hj_NUqMTFkOJU7hAr0LIS9ds7sybagZKUZGEYrZmSXftPwvVmHdqCwXvZFnTPpQiXDwoA3wjNCymVS.TSaSKe_9JPZfYZfL86o_w4S7aSGgKpkx8VtiFucNKZSSoAeFe.dcZ77.SRc35qXfs0w4HV_Ivk6I1NDCFQY46Ebodf.b1IJLL8jaT8Y8uLcHR5DGYBvRsYTJ5jyyMx6eiorseONhTJ2oMQjtFBkr5F07t.g4iwRwYGL9Yvw6dPmwAsrK2iOhWy_amJfpiwplxDsNINOpBnvu3o8h7tzslRJHvRGAQrJ71rbE4WEaJCYFiAkMl59MaFn3.vy_VRcKpS04bcdPimvJrwLouzgW0vJfQ0719Z23VHjLvPm.rnIK3SH8jkxho7MfBpPFV6t1Aj5ItTDIohIGL3vDAJVTyPFnns6ZpRcqNKCwS_ZAQRGk8ZcavhcMhz8Ceqe8R5EQHYWSmP45BL8FnH.TGujY26xWIUO3lVV8Fgc5rAOKzIfKeUrBacrxAupt39eR2RNx3OznwBVUmcjo6VxbwIGRIjxWN_Ao7Qm3LyDULyXC2pJNNMJdcITX9LjSM359tlI9UUJEDLz_YavO_9HJoo1.O3FI4vfYksLxSSvd36biPsSsg5VKRWyw2_WniU_JoxH__X0mtrJ1j3lEmh9TSAHO06lwD7zYkDpUPzmd97XPObKB.YDax9ejzyK4vGWt9S2yMHC8GIfQ_iCGv6GaWjMil.AAVnaGD5s_xfNjAUVKlN8chJoYH.DEXLDUb19.S0hc1rTZ5ZZNhRsQIXvI5hlmgTYBysCSIie2.r4daV9XXGAPSRvWl.hD2Sbm8a.tvi5nTLNRCjVfVzXX44x_0bx2Kwf83sQTOgiByKeNDiFCE77Qiv3YTHPYo2jzmTJgRrA8Pm8UnYfin0P1Fk69gGJ4eMXI5aXzOyfeVRLo3SZDGMx2yfCXk.oTF8xdeQlWcbLHrCBaznXgoCMC6f3FO4QJ8GVNWUxNTRUQEl5_AqHxhdL27IuAgcNb0GXd.ksTkseWamfFRTJOGTfBlMmztgTmRMAmvFsUOyEAMUSJkF5bkwc_FqKOOd9PJqlwDEBRgbfv__QAxWojfVy00a7bT67wvSqjoh4gBKKHZW_D8AFLMGhR8y3aH0tZwJQq3MHbe0eiL953Pf.2f9MXhvhLsNIHaWHOyzCCrEMNQ_5LlERTGFGXBK0J3s3RDtR6yLRFtsZqfn9dI6THUJh0"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f5f59c0bc17faa';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\/8490352716?__cf_chl_rt_tk=U9Mr._IeBuNXVT11ue.YBswftfjeHPeyMbshDaNezN4-1739126128-1.0.1.1-jfEeRTyClvN.SJbjiSc99yS3DviAut_VM2B596gt5Uw" + 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