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-affpbghhe.mit-edu.top/post/2107564398

  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-affpbghhe.mit-edu.top",cType: 'managed',cRay: '90f81844897a6ffb',cH: 'dZvi5iOMbA5PUhfzVNJl7yHJFkPbUWo.S05cq7RGWIU-1739148519-1.2.1.1-uR_63sZ.UHteQYMDROUZobvXDfOnT0JOZVfxOIdrGcpAiDgYN1xs_T6J9sfqHxmX',cUPMDTk: "\/post\/2107564398?__cf_chl_tk=mX_Degj2Dd1VThRBNySeUwsIVJbXfG3YqyittkJn6WM-1739148519-1.0.1.1-zKv8PFaB_HGZM9Oby7qAwwTErajhEl7OvuujCrkaW14",cFPWv: 'g',cITimeS: '1739148519',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2107564398?__cf_chl_f_tk=mX_Degj2Dd1VThRBNySeUwsIVJbXfG3YqyittkJn6WM-1739148519-1.0.1.1-zKv8PFaB_HGZM9Oby7qAwwTErajhEl7OvuujCrkaW14",md: "okYjRFCknJmOTHmixu44j26NaiuDxzd9NRPGZDG_i6g-1739148519-1.2.1.1-ibEBPVUGt5gLlXH2wGhQqsCOgQcrh2elT0mOxUgQxyITMneoy1wXRy0lew4KBh3UELMzi0BFioZGl7olEl5T7U3Vgx5RnySddr7sW7J5Yzt0fENcht9DqseFKEaGeHQk3hSaVgeGmAQacVYkL07eqadU3M_2trl5215lWet85eiL9WOuwxwYLjPfp351NIPeq41__vB_BwgC4mLrQnysKGCFtNtuSwc.LgV_6l8isANIyAlX.8OxVvXn2_sY1KX4oogfXx.Gp.lbt2FMQwSfENRxtqpR5RC4ETgaromsBWxWEHVlJKhDCca6cvrc3Z8Hggz_RWYzHkBFCbMUdTLGfYjfE1UWPodRX3FFTnAi_QaLpBhCXKcXE7Btz45.7YV5ABJRpEfLVr0L4mldJZz9CEYTnS32KTnLeXnPHtzycen3RJY9J5vbSwKjm6zawsWqNWE9XJ0t_OXXzZB9Am.125IqFOiB4HK860plQ7s3H_LsKF2SpFb9whpn_cblYyNEDIVA.jCLgbdWUjNLzh1FdxGRTZiEU2IYcZXw895FyvY0i0eSNkc3ZZqRnVwmcZyg.VmaZm2i6w1hpEs114RemJnZsEm5bT.qcB8i9UXIjWLFZ_Ok1C54z2wUbLAgC4BHKpuF4v1b1jn7DL2s51hSG7Ll5IMwibwYegnhbGAdghVXhr51mPMm8qtMuQnQU5ajcnyOziXpq.scIj.DFUQ5hI3W6JNOTxkongzPho8qhrCmilhefZgGznWsCLMEyJhis.oQ.Fn7PaEqXujU6EM4dRv.71aLu0Ex43T.HS15HAF8BHv.Gw5onQ8EnPFpMUKEo9OUsj27TDLXMAH9mmJMonsnWYNOugKew1K041wp2pyPy66zh6Qhad3R0dRmJ3GzI8US.xj19GjjcaP0nADAlO4C6fAkoMO4GcK9QlyQQNXIfHjidq0PhquZqi6hGe0oTU_N7losw_.eNXfkjhHMQ9S2CeUconcGMFu3jaCdj26Locu85XLQQ_6y4Sg.wOT6RiE6ifXctFHvT2.Pc_jJbKhz4xMbvIVmnKXGuBLeVLMyOEw6pLhw3Nlg6bLLReLjoYqxhLSYYJeSEDksS6RHopekdEGmYqsh_7UwheoRNnNSfR7KrUGYckng4cR42AmRCwS69VpsohMmBDoe840gHeVzy4W8CHgli2IGrH6HI4zAWyW7qCX6hlx1z8JHgJxyZVSMbZ6DhmHIdD5iLfdTSXVk7mEvlmig8whIS37OTjFw9T3c.SMT7jWutOUd2tasHJmjklRn.F_5yS0C0qGLsf2o5KglgWGTSlJMrJ8vOj_wVVgcGSiYwAvNojEDVkGgWGrhwmRiQnCv0WscGsOgRbkWuIWJvSUz4jj9j8cEVnEEJsfiF8PrGms5f1RbqKR5xwnpo.6JxXD99dlck8gfMHhZ8Shhirht7CMOPC6799g4_jEMEXfYjoQGI3J09Py1lJ9gvGnAuzWWxaAUYO9yMGg1z9iJtcqEcw5ekur0ED06vBHGdyRuUozm.nW4zCdIhZJkBWl1dBcaKbvjF3ZkP_FtKssjSluEh0HDmlrT4dPaUFyk3gB1wlRUWru9oM7rhm7uUpwb4ORB1SQYyLqbb9PMvCpY1OXqDJkfgXQRtHs.0IxPnAGSrpb7Rc87CqiP8btf6.LQSbNZ9BlIBiFar1R1zeB1JeD4ApqwF9_74pd39E6fol3ppQPXmUgNwcFukGDACSRlHLsqDH4vvItrflNY1tR1XidAyRVxxXIiMwFkM_6GxSGI3w5N4rf47d2abXbYm3rEQdRvC0rvm2m_DkicF7j8Y5NckonmDsJqsf6vFnDhSMZbOZOruTENHgaPsL8soHsmyFAWc3fsM80sqShw.odu.j4HOSjnfiN4JboTUCM1HlQXPoZZYlRJVIUs3O9BNWKF9.IaEoCcANS6ff1QsxoComDzpg2rN7PRhYC.8GyZbVJSmnSnlJ7iladxq9VT.wMKWS.Kx8noWVYoAqutsIUsdz5qIPovKwRhfqm3FZQ0FBo5Nm9RNTO8qsG3u1UBXjkWoSFgH4cFgsCkem51Jwztk4OILsrcPLxBEDfd9oS6gn.Hy3D_JztdIdIX8MuN.TiLBdNhBzpjft1UbHL_mNzBxVVCx5ArG.PVcXkU7d5Ro5eMQiCFcA3CZfOmD1KB9OeICyDNJu92pnIN8KzQOHaq3NbRgVEk8jLVdbDqlvvjjx2uEelYCcYEfng7",mdrd: "XFs.vu_BFTNm07zzBAhe6C0sisXWLxGz7S3kv8IwXGo-1739148519-1.2.1.1-73fuUrHuhCkNRyYgQgYyiuM.gCUM1mpH_6XDJRjj4H2fIn0mAyIlxC2Q3YQpZDIdjHicqKRa36n622QZZjRHNF6p0njUUt23cbs4dmmlLkvsxudQ.DLfTKWGDRaLUu1P93jOpjYN95h5xQwDnifzVj9_3cj7DIpiLQ01psvQleHZwMc_jtxHJtAG.G8J.HeBEnnfJRsuYu9h1UVMdFbLkcJHKYa8ZkM2bY.3x2qjNIbSdr3sNL0P90JWgiX5mvAPPuV8kYA__yIqg9kKxPAf8M1t6zgd.vTbAYn4CL275rEVgG5_ySyV6jZIgfIuqLkUZQ9EYk6hDFY8DK0frQdcWPnE_TKjsNppihLSn.NfyTt7nkh2dfxB3DKp1rKHO945IdAdJlxrK0wQQg4jW4F4JB1WcROljZ8RtyEbc.jDRuC2qTDeR06Leu8azAyuw602hGrWcaIcYj3gbbbyGHBZFqHXj_B.kaWranIaNrTj8bPKwNEsy5l_HLLeGRWGcBmJv.ARc2Hu27w4AuTX4xKut1Y_cUuN_pTZrX3SGhDRD.8ZlUICNEzTO35zZVdOJUNEZgEN_oJ89ABz01SqDNeglhCR0F.G8yvKd6i0lQe7elD1JsvlWTQURrttEPEF_SExwhVRVQLdXCvQkPImajzCsAnDgYRVnrC0tOt87fv5OZoiosXHsmJHy9hFpFI2aw35VOTPPJdNHoKIBVNc8HAQGb1FmZa6l5MzvCGSWZteV0o01UXxZ1DFlFvOfvrogIJVy5jHOKXTp6GzJemxy_VawMob.eM05n0LkNhILMz10VxlJRQZPfNXNRVFaa1UdHkcgkuJyKZCRVwfqC_LY5CxXwWT_WLq5eeQK.6ftFoMqmc_WYRjsqKQGTs9RUjnbzI7FmYctyXJZagkJ8_itUHwxet0_HzLnD11yIpEsu_D8O5Bmzgx3pGBr.e5BN_o.ZqhnhWhoVkYMqgEkkkMGgP1HChfnIwzvYDq7mB94zzBO1.CNK9uc9i0hwoy_FzyuYkZrZV1ynAIOmH2wpJ2AqYgaYlas3FhmxPvZ2zVu5kds8XPWBGAncgVHSEG3YeDESkknSv88Gb_fdFpOjW65pWbjVb0IWKS0AqMCOG7vCsFooivYygsAwShP661VNy03MRTB4MJK843dz13KLzFtMJavAgcJmiZAEn9cjkAI6qJEknNTIG9IDXJOh9p4rpDIhDiyTocSDhXGblUNtAmE65MjtedMfRsGih9bwQQOWkviwP5MMkraxi4niehAmye_SwO_gg81XWzsWAZCY.KfkQ7WNA78MtrLeXcnR4sEhBJTXZblxPI2NTRinRJVo6r1bD2KaGaWhZNQUvQvGuA81U7ClmD40u.L7b7MsUDyD3lCs460fsVV84nbN9BvrigPfI3S7896bhQkBg0slTMswdNgw8DvUqR2VPbWRqz2EaYSl11_yRQ_ru7x3Dzy4ztvhgb9NGAvBSLlcV5TrCM3AEvljX1z8KZlqjqg0Z3JDJXIQW6CE5McOiNgBOXFgWOZvafDYK1nZF2Ui8NcN_kpBW.920VUE1cUakVTwkUX3NuFoFhqQQzQ7VhzW2p7uYfNxez6iV_7T2.zy4c0A2wOtbLB6duW.P6voROHfBR90EDlhhEbHHdmXgT3h_l0wdtd7WRp_aMACEPtB7FL9QX3dkIFbqHOWZEKNSev.bC0PblzMx8ugukXHMpIvU7hX_SKUaXNEl4cROnRGwL_ilu4p311C5cfnO4dNVwH5VIXYZDWo7Wj5iWzNXqJmztko4qGpPrHh6nxbWtgbmUfJS3_kOPMw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f81844897a6ffb';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\/2107564398?__cf_chl_rt_tk=mX_Degj2Dd1VThRBNySeUwsIVJbXfG3YqyittkJn6WM-1739148519-1.0.1.1-zKv8PFaB_HGZM9Oby7qAwwTErajhEl7OvuujCrkaW14" + 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