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-231918560633.mit-edu.top/post/4305697812

  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-231918560633.mit-edu.top",cType: 'managed',cRay: '90f241949d453940',cH: 'QfWD4tzpwADs1GCUL4KeB6Y2RDbLC4G7KtyIpbgPXOY-1739087296-1.2.1.1-JYOfdTkG_fLO3Swd_JJzqb6DY.PN5C6TAPzI180wVLSpgKjoLhB4WZy9vuSRDwKu',cUPMDTk: "\/post\/4305697812?__cf_chl_tk=8SGdfyf8fxh7kWk1BuMLL67XxU_ncBNyLQaf1TBMK_c-1739087296-1.0.1.1-hl_nRFT9K1ItDtzO2VvXRul6aBWE.Y9Ik7zSSYMMPXk",cFPWv: 'g',cITimeS: '1739087296',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4305697812?__cf_chl_f_tk=8SGdfyf8fxh7kWk1BuMLL67XxU_ncBNyLQaf1TBMK_c-1739087296-1.0.1.1-hl_nRFT9K1ItDtzO2VvXRul6aBWE.Y9Ik7zSSYMMPXk",md: "uxdIWLSBDRhaG7gMfkEfOeYzeHGuqq2jBpnkJER_zVI-1739087296-1.2.1.1-HvRAmLm4eUAJiG3PQjX.YUoGT_T.08EwnxUxalZ6_Q67V.hFHO8oRBgcnMkunvweHioij4YJs3TNqGZzrgxYgDm4ftXfACJ88HapaYPqSLmZdNrIjygrwf3k.BeAj4iVvFq5fw.mw9xXz95iR8hwTo2Jvlq8sDxnYoerPrt6QG1EB1hPHkH8FvJrqQkqQsS27l9mvZ0Oq1EzgthX_JhwREwUeHj79aBYK.CuVt9H2npWRY6ignEylHAbLVLzjM3kLZC6NQTRwZCVeTkvkUgaBoTLlPpfKN9kkvnYyyB_JdtKfB35D.pEryMdHL3CQm6tGwwtGHDrdt_DX_XpydfzOm435WelQKdhX7.C3KS6yMw1QlGEhRcibQoYP_VJlUdwTVJb6LGQf7JROnl3UNSq3k4ctuyQKJZLshQzaGj8YmgxIOY0VZMJ43HYPoS2RR.UskLxBCfXguwGApL5EFu73UiCpXzT0bq4_WepdkqlTEeZrC4G3rvbA6tEkmL_FB4sbKDPF8MpFJAh5KssXiU2em56vRKE1ZjD5pgk6XlvwfPZOUKe.SOFUYF6lLLlJ0trZg0BryBgYHTdPg1FMf0tv.X6iyFhLCv95.3x8yJP7dBIs84l4IPRQ5cG0u0ORChSnbkkwy7xZEQUxCXf1GeTEjRS2tyUCz_PwgLrvjeIBOqO1qvh5vG_TynGjx0ejbYfNRKAl1ofGyuUzvDMED65Z2Ajd4thuUFfMpz_kcr2ZZ3TVsILXMsVR15oYbqd_mr5WVcH6cSakb2gME2IdN9JIpbIMnRORIvdQgXbonmhvwZCfhU2AZCQikd8nXNKQLkIUua0X.Z9AMclKLs.UB4vodkq6huH8z0AClzbhVN3x1r9s4YQkq4W0u50jD5HaGKwA69oxutwzZfhdM0Q59c.U17Ra1P5jVIAjKuRxdzHlfrxT.PRMqS5v9MVOYt_0hwGnxe9NroRXehfB3mKTIg7ta7ZXr2kKnOPw1dHHiZ9nLvpxig43kckpwGEQJ2sxJnZxWy5UuGQjVFbOgQtEGZHku_yNh5DotBQYzdMcpVZeQ_EXH_0CWUDUgddguaor1TK0Jzp_Y1bYsSjp9ASZqoe0BjZSxqDCyU24orgemD91DWt8ZnkJXOJCdj2xBzCuACFhwwUOVO4nXx6S_YCDEmqxoS.kvdHKuznCHmjGl5oc02UsNXjFpZtHlXvRf95uF6DpgHZ3xq4vxwB3rvvnDOGk71yeft4Y_2019z.JLkwjQNdfh5VM5ihGPA9LShdgqqQIsVDQ1FPaiZyW7CCEe1weHfmfWcoLR0zEn4loKGjDPvSbwNgav09hXcIgwlH2Zvl81pmqyI4fH_imP_U6Xyx00CSbu6S9cfb0_UJapsQvRni2rYL_TlcyeJ5Ky6KFgUNe0GL4H1igOWBaDVjn.RhUTcXF4LS9a4Smh4CrBerWA8zKJDXx8p.qAiEK86RfW1KxLwXf57bH85NbuujD3JFrlGGQhQ7QK3UNN_AruqrQvXUoXyI0dH0IVF3RX1Ar07MSXrwWQ8OKhfRtCNAPX2vg12hs15fbHatvBUcHJ3dkvjDrBwdw5z29EsMKbaCU7aeaq3PyYfONrb9rbjzeBTlj2hsDvQxf9hJqcQFw4j7bsbLR4Bz7YOe1Xnv9ov4wjFoncrh3S8M1Jc20Yc6Ge.l8JEgp3FYkVMuR9_HHnkqwxpmhMCfC_A7IiHZjzRnF5aAc1k6vj0GQ4a0pUJXl1VJ2zf_GCgZw8Nzn_LvMjmIoonNlE2lMWcnZuc13qqVZRNjpDJYXc.NI44SAcVrVuhYZin6q45Nfa_EmB8WSrHuhrApQu3wkY5jkfXfGRJy450Mgp8odQ9.8U.iNL7tGhcDhCwwgfXt0Gz9eIFjycZFI9_4qrmXWzJc_oJdMrODVl4Z8WJu6Z82DGDLqLH.86GHfiVAju9vZ2_t9XHY5fQOVi8aHZ74j5V0f8koLb2OOdsv1yS4UiKeTg_4MVTHTdF20K.BjlLyvjYEh.ko2PKO9PifBQFEH2tt_3KHJCTzcoovQx.b8xr35OmYBx4z2xmuugN6lEItV6iqryuaZ61Z7IHgCIyfqtlnOgMyiOwaA9.2SEVLV9mCXeDQi.Dr_Q.E8ScywbAlWPYBVuCtiu9XPF8YRawSnbYyEfEUwQLvt7qVACmRg8SWEkxhAHr7RixWbPZa_m23Z4AhC62wUmsDAXb0JPczC8zpv0p3MtHJaOrl",mdrd: "5vjXM1G7xeEG9b8sEDIOHUchUUFEOhsP9mUdCg8k8dA-1739087296-1.2.1.1-ce6R_RMwyyKcb.rSzjt3m3s4CLXlk3dvdf6h95.VRc0T6ehDlYJ5z0SnVQe8bedY4fJBBTuXVv_q0OIoeQMfGVaAbQm_KqhEvGl1uijRXAetTHVSzp8ZEgNkX7IUeUnAB4uy0l7vlT6YuSRbamcJI6ab8gJwCYIfJ8RPzTmG.VumTgYsASVzlU4kvIASoxawadZEXDKjzwCBdlZgW5zABsSzJDvsN7MidpdWhPi7xDDmi.sQqoJn6jwVHPQo2g7QWmLlpvwFcEkmosE4O41Ho4DyIWKaBuibeUifj859xA1zJuloQtN4hqGqgMi2_XJojJ0Q3_EfYpquFMkZk8DJuDzCVW3k_20kFzGnRCvCllCR18_Bl0DyCIYRdR_iJJj1FgwpG9DcUNCd2QVltSC9QjeMvj9emuDlby9K7irrkoj_QEx8xR2NAkwuilClnb8RmZlWd8wKG9Eo_P0J46WQO8YKRjsEd7hN37I0KKobU81GNqrGMvbqHNi.pO3iOxEDqTXHJ7BuVepI.tHJJAVyvZIIzNVph.Iajke8_Nq8tN.szUeDSh12oAYJvj0rlGKDeKgUYb.10H7RuxH2R8dfftFiy9AFhFFPXzF4X9KlT3yMYLfzHNH0UxrSkmiMQFs4KLXKbGLsnVZ4PaaCgTRc60u.LF5o4gmrPNZRdO1K.DxQjZj47wG_x2etAP8p2kpDVJMsS9cGcK53vBeRj3tvdkpeLD284k3oAPMdP_KF8Kk.S4wISnkN4e7bRQCKBH11zxe579TN2U2emooulSlz5fYsGis.F6lGZwHIwNqxoz_n4yNv.EiCGD_gHKH3gmReAzQzmJTJKH_nk4uAc64JW0EqtzUbbJFE._oFmLPuspxJTkIz9lOkLJtCAPRjGIw7Y9fmy5.sd4QekyNBevAelkirWYj1812wxHF8BIXaUrGR4BoJW_64GPArN.FumPa9eFOr2Vmos1bXAtFHWwvUoiC_GzBxfm9eOmDpNjzK0SSqziSry1nBnQh2BSbgRb43kC3k.CgMg9OQj8jj8gL19mk_kk_r0IsxUQ4XizzhVNMDZP_SsU9kG8BkjPfebbe3SxvHQWogH50MiqGm6s1n9ld1oKOiIhmSjKMwtOe2_oFjfavVppWtEM6xj7QLb19HlPZbHepXFm4wcMtoF4xg3.Qsb6RXVlwq2Uwe.T1FhAbuKY4ifayqRxY7Hk50XZss5rh_Hr3BNttz1uraFlvqz_bzowhdCdNPHZ40C.h5lHchF.B0NWL6HR1cVEMxuQjs1cieFT0qMJldsKZMcWKMN2DBI20GN0CIAsV9yj89.UDt3cIyXzFjZJT2NcVccHH566tB95uJk28G4Stl1AIMdoftfHkU.aI7RrU.IP6uclo9IU_FkttgMCX0Auyff9o.tCWi2Tc7Man9qhfWW.dUpM1exmHqbtSo2F_xHSm1NKnn71M31KnwxxCe34NI2ND8PxtIxdNRVbVmRwSjmBcLB6WeLOByrWxYVR53k0SusgbMktrJUnBCvG7Y0vakYMgM_ic2ab3PJL18aQcAm7SITAR1etKsTLfKOPxCn2dnzpUxIWKd0PQpCuAzYZumgrqh2aMOtUr6tj4WnrAnmi2YrQ02yGgva0w4r78kbla7aPv6UM0hyegHGhetCG0xbLtUTwoL5uWdC0udUlnYaQnehWLepVx9E.ZMUX7V4W7mvdg40fEEwWs73_Tvgyno8quw.KxlAL1Hr72rzqXhv4EkJoxmtjvsmK4smDKolM6CdZFZigfZ0ex6hm_d8WFniJp8ByjRIG9gAhCWIpuSX.LmYbKPedZd72.SRy4apTgrq6bGcGfKz6eLcfyrjJGBaoR0"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f241949d453940';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\/4305697812?__cf_chl_rt_tk=8SGdfyf8fxh7kWk1BuMLL67XxU_ncBNyLQaf1TBMK_c-1739087296-1.0.1.1-hl_nRFT9K1ItDtzO2VvXRul6aBWE.Y9Ik7zSSYMMPXk" + 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