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-affgfkgtu.mit-edu.top/post/8309526147

  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-affgfkgtu.mit-edu.top",cType: 'managed',cRay: '90f3778bb9b52072',cH: '56yX3NkFbqjAxLHlkqfK8Nk5LoPRc_PikcfR7ysOvy0-1739099992-1.2.1.1-u.yPjHkdRcTgLL.zgOEeWxGp6AHnhmHiHOUxxg2CNr.AxWo6uFqhNtAGgcwY.kjg',cUPMDTk: "\/post\/8309526147?__cf_chl_tk=mZYIx8SNsNtKTV7VRm7_2JlkteSwlIVzHWbuJBZdaMA-1739099992-1.0.1.1-0yAtTSY7iPV4A.xqrDyUBEMzAmScLYOrxm7IpUI4Z7Q",cFPWv: 'g',cITimeS: '1739099992',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8309526147?__cf_chl_f_tk=mZYIx8SNsNtKTV7VRm7_2JlkteSwlIVzHWbuJBZdaMA-1739099992-1.0.1.1-0yAtTSY7iPV4A.xqrDyUBEMzAmScLYOrxm7IpUI4Z7Q",md: "XqfBpghFXVsMBpKG.eFMaBget1PxXbTR_nb_2mqzkM4-1739099992-1.2.1.1-wVm9O_nOnY2xSOWAgoi0bS7ZmdKEtPlul__o06LqcgYJMN09vWznlzssTxDRDPviOh6MovrXBCGNS9Q7EbxdOsBSh7waUB_MfO9zjjmgknWBpiJCzDsKEZyPQT8L3foTGHxEuFixFtPqpxGggEc7RCu3jqddbs3qtkVoRbiff5RYZlAts1XBCtLzQByFH3avBuDJpFtQfGJjN8wEquMahsGgLdjGZkpyZeC7tKUbsGU2t3TfqDQ3uvSyjL96C1_omAzG9Kb093lOVCcRYjureeneWADlleY9QmucesloqmZkrT41Uv1_sAnNbAE_ubhKJ1b7PIa0y3AbynZSUFHJgGLRIK4_ETgGID9uHDvdK05Zftay7UgumnY7Mc2rE4o.xgtVxGKBPfeBIzPjhMeEQ84WxIPYcdF2I4ozeRpk6gRv.gpi9sIA7IBqzxKpk83XbF1gsQeuZ5MjXsOLwTO1rIVrwdLP5cJZGn.P9StjpZk9HtQ7a8B.cjOfnsVW5q6pGrFK_l22_mAmxGLSI84WGqRzmFtV8JnPRoOZqEHTw.pAmXN_wP3FrspZ1WMgwRPDsrKGG17fpwnUOzfFkPaZB4UO0gMzf50.gzVJS12KXcsjkmhjPfH1G.znOB4iUCBxMRALSdQZt3_MyTYS1u3.uL30vUCbYKQI79kMIhxKVe8B9BvU.6bp9gxwrouNUmmgDJLT2ApL.s5prttIEIj7nivlLqcbBXMiG.uw8SC8JqYSPibxvOqg51P7MzBJFBHCgCucOhEwwKpbY9ML46B3L0hLSzn2GEyVwvJrvHYCJlw4VzsqCiji2RE_PK2F2S160X2mh4xFY3N9Fo5JDEmMWnaobOcQfgMy8q55p24BJ8GTBvQsQPriihU0Ff7gRiaAXgpPSIQ1P6Pz47oBTrX_yY1zogRTqcMqz0pdjvK0XjyLjSTvg_K1J3Ldt2jNeFTEs7fdStK8YGIEz2WuNUnh558jgVFiMxmcIm0Hor_8fARy3_rlCoegaNHRkv7jSQWP4o0UM354udpgZFhOMZTi2idUTqsjhIcP1OneYwf5NZc6D1oP5XAiN9uajs8b8zprubcpxKI6nbtFY4Ygpxt1fDgv3Nnumwqg4YdK9jtmCifyFHLZdk8V3TA9fxzmreXn3CPdUto7cC1aVHMfKcysTxNL_SVOLzgODcWozYSXqnWigjOr7M26L8DFEViyevVekdJZwTwqO.EmIHMREwZ6HdNzt_YIXtBBteDaLgd30LkfZ6bgyc8NQp1LphBnoKldweITxle8nkzm0m991T2lMt82uSnHUkJa4pOtE3sYQ_r3uFwy_H3kmm9cSLjzOuHjc5WP8et9FNi69nQYNWC17e7s_ZHWjbjaazs3Feu9iZWyOtywcT.PZ5vOXBCGVTM66O4Am0cr.A29cZgEMluo_uHhQ89m0_DeCs9ZCwx8CMrgnJQEepnoXP6odUrXvNav6z6S2mFFzBdDnJGOyV6NKbnyAJHzeVR6xFpuXsOsiihejqI1BACE1PSio9QkCjarhnZD90Ucl2dbXrp865GymHRzm9W.tirIVoDnLetWX_yodTUXv0Xz5qsqNuSPeeQlfQTDD0ee7ugOTrDlijLCYT9vB9YNufSV9Z9SKjMGfpSpAxctmnSyqzAkfktqXInlQR3hdSkSDscayUpE.qW1.q1MsEbm.B_fTqF0187fDxLL_8yN.7TzgPyuRjo4VSv8OB5h_AdburnMUIM1FkfYa1XREWPpYW6ez6jVP5uDAKaCOrS3ea521CxGNMeX_rJ7MSzYDYhONzYr4PJTZEZ_N6VWtDOz9ZYJDHczNVLXm38rJn8Of8X9POMN2CnZ_tLZc8F2Ux7Boo0LsolgOT02F9BPdfjnaKC.nV3fQAxJ3cbe7H.fxjngmXroDrzKGZjhOxaeNaUTp6LNvNlT9SnBOscTH4VOsBdbiKTQ2e27wwAOMo1co3kkTSKUJScHl1kJEl.sHAjQxnfx726KSgYVJJnbGZDUkyXvKR4i60IhuYFmZpimaWE5ZoYLBtFcU70eAzPwc3A31VIQLIxzDijL2x3FsWEHMurgMVfggKeed0DA.1HN7am_RGAZ5lV5HMA2CNmNg39Ay2GhWl_Dzd8.PTF3kx8Dy4Slm32PL.ERfVI5.lfSiYHTvA0Ze87zt2ial7NdjQIS2KXaszz4q6jlwxrfQpMrNufn71gEgoSAaCYqqzSk6Xu2_9d6QCmzkYPL",mdrd: "eFAUebbI5l29dWXw8leqNjTtjofAVbbWsSy_gAIfjek-1739099992-1.2.1.1-weEjmvRB0_btHszsL3rshUjN6dRewRO9paOuUjJGZ78esmC08MfBMaNPCsuVSE.6n3g_L8T40lBaexsHRIxbZbJUtRMGRg0pf4.vZSj12UMCW0jxZotuPgGuvggAun727qW3jCMXtpcdJdVhXFkcOogPWdHJ.qM6QYBTUfsZpygIrajCHM6KRKMWgO.UHhdADVyRlNUhhA8AunSQODFJLffflOeQF3AEUyXvrr13GmSwEWpOCUb.7c40zrHHkpPOV4bOwH9z_5Ow66L0mp3aSfnBtcl7S2av0Sjt_h1EI_PnmJEQNyrrxJJkkI0GSJDRlCLf9EH1NsSiU4EASyTr2QrvALzSW4mPLrpGdVEBYvwb8bAYQPlBtVL0O47GolJr.dks7rloIcV8iVSBIXlmJ_tBYYYu3Ax43A6qiCA.Ts.8lGteRAdVq4JMOG_pO_bhtWMBSInaLsQub2SGdXRxhvRntLPj9JY3BRuufp27sqPo5gi1B0Rx94YM87QR6Obk11rUHsYuAWU0qf79kKSOBkmBGanclK4_LnuPDoZ8SA5YtL9LZCtqVk2EF1nIp8xOKGtFPXpivEbpDbm1c3W.LjbPi2_.lotLcNOTJwj1Af2iVZGeorvoLlVBfOnilB._wWZp.DQdRHK34H8hI8Gt7IvV9_DmuEViB46y9BmUheOqNB_iGneFK3ZDpn8_nxuFf7Pp4_RWep9YrQQ2m_lrq46YSL1w80Gr941vQFOeLtFtVJYi_vfchU0_4z.CsXNj8VE88.3cuq1My_oyFZ0vJMyS5orMtXR1b7PGy8JZgH10mHSf8H0v_gcFM3qs1tuz9mzrASnMXTTiXKuxBV481yxgGvVAvza.p92HFLZTd.MN_QjT7YPbTgz_9MW5gdJWVEBq4hajgDRQzzP4E5jaULKX6MZS0NV.F1VrECB4NViFVC5H11.4SmyCuSZqXM5J2QV29OrnIQwKCMNgXIB9DYTED4zHkpTjDoJLp1BrD5A2n54tZ0DRm4MoXh0oolfIzcrJknWAR5Oxf4oLro0KJRlkTirHJICRqHuUlq1yi_fFL7BrOSdZD06iHeqo3TsRLL_CKmWVZHLviVr90tTot40vyKE5jcwnUCR1anVO_9GWOo3SxXIkpJsgp3WPtIk1CMrTvmQoxFuxVSKbQl_5SNn0Arn8BS0u4ahfQ3PfrPPX4SGtb9k9Iw9dRerutkXj63nL3S5Vscf39Cvvd34vSWItKtGoDACe9fEi5pmzSCyww4USSqAWnhklSq9JYlM10Xmy3m_9Xd28AmuF6sNcV0gVj_P6_HT_CBn7B.ZkC.PFABEScX53Mcphubc86cFOVFVwDlsH2yiliiyeHApfRhbW3DCvcpaOVc9WMsET5v_Kcg1pcmz77drBvF0J27FuqEUkgm6aJ00MybZ1pNLmFbj8o5r2H_lgos9BRCMFnz409AfmZFPhptAKefL.ivJvzkDlcC_KcrMz6zOV_gHSbVs02i5L6GWmv51mbb2hoCF2vcB5uB8rg2rFCoSH5_o9v.oPr.D8Ap4ObWHtKD6CSX0hHN_NeRHwBh9SULTyRF85sPk8rTQdNrl6l8m7CanTHXwXhLx8yp8R0vLGchS2gVNQ4SHhSwJz1mWdLY.Z_sHhKbQSBN6Vxrfr6mSna14OwS8dHTY.3NI9VpCUcKOJpn9oqhJMUHYV9peSR4A7gseyL18DHrJUPNkIOyQ3tYh3.VdN_0f8NoJM5ajvVakDpVv932GG2DwVCOk2zdeO6MtoOqnKAYUXxVI_uvG3eys3JjQjWpRsVLQbwrHdMM6rJw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3778bb9b52072';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\/8309526147?__cf_chl_rt_tk=mZYIx8SNsNtKTV7VRm7_2JlkteSwlIVzHWbuJBZdaMA-1739099992-1.0.1.1-0yAtTSY7iPV4A.xqrDyUBEMzAmScLYOrxm7IpUI4Z7Q" + 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