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-659773914574.mit-edu.top/post/0251789364

  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-659773914574.mit-edu.top",cType: 'managed',cRay: '90f3b40e2cf99c19',cH: 'Vlp9QvmNDkzQY5HbIj3lhW6AdpvEGz.9yipeKcFHPfQ-1739102471-1.2.1.1-sv34E.o9.u3R3CboKXnO1yx0NWgdEPW4d0JyPXmgjygaMCiwS1ppsWILpbLiNxkH',cUPMDTk: "\/post\/0251789364?__cf_chl_tk=P_bITjwRCh6krTI2J2QApOpzHm_77nC3KkjWVV6AJc8-1739102471-1.0.1.1-ieaPT0jh2ziuRqAMT195yXy8rm3YuISAh9H6atSRB5M",cFPWv: 'g',cITimeS: '1739102471',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0251789364?__cf_chl_f_tk=P_bITjwRCh6krTI2J2QApOpzHm_77nC3KkjWVV6AJc8-1739102471-1.0.1.1-ieaPT0jh2ziuRqAMT195yXy8rm3YuISAh9H6atSRB5M",md: "O4owcYF8QbOqEW9H3NqzNexENe4p6pbCIDtqfg3p4UI-1739102471-1.2.1.1-JrELMxJ2o_V3egwlNlatO.D06mSA6t_vsHJNUhZl_nKtfjwgzgG7aEeMGZuow4.hiSJcExsu465RMffgi6Uex_A8pR4pB7HQCrLNmkJAWiwn_Zxfk2vU6wQOhzQ.egD6g8kUteyUEtVcfpp6pQHYEtlkFd7_es.PLjrR0HN_WphOVgjstSRnjTS8fPFzpPfy5fvBLmnPPUHdunt7lBnBHKPrH2rYYQSCNEnKiy4kqZwOHzgqcuERmHDeCV4NbsGz1SO1PkUALek93r1zakF5gvTGdq_yxYdSu.MuXGr_F.EI6Skn8ZU6GkVqxe93xf_4TyVxXz77BHhJwFTHa97dB5Ueu5TiuTsUAyxctdKNsBWVnm.Dw_F7Eg3usNPGoWAZEVrMUFo35Pe7RUXCzS0iM61JRXKk5Y9n0g1yiPLqPtxpFzH5Gozac6EpxDHKIQcNMbzf_YmP0_fBSwofnGTxuOar8wSHuy1HRwrX9fR0Zz2KE0nNp4dI3j0Xh3Ih0mqlKwUXwM3XNkIhoOJfuBUDwa4n2NdNdmhNozjzycWsYaM3A34yZ0E3oYXjk8cN7L3bRArEGCShIeQIbcvQNCWIj3SukfgZpvS5FoU.BfE5CXGWyW6vATnh1GomB4a.nbmK07t0XafNB7hVDqoYOT4_Lm_gqQ86ZR6DIs9DicWiIQkw833RXRzb0Hdai.qxbwezlY1DI.L0JjLIdFVvUbeeBNP4eJX.tnfXyNnI_o.p01T9zvYi_f8iX8bNcsytSKdkuvCOnmrPdCx0G.3768LorGYc22kp_6_0Ppg1otvEMtwOir4DBc7XMWvm2kvSFduNHWmku0OHxjpxyXWPVzsbLvEheOCErbOuVE2OdQgRGRUtNceNyh6BZxgmWSmK9OzNlxkPMFYS7PN_Uaeg.LF8.By4aknzXLv9Wsz9Oxz2RUGKzoMr4_l8cnkH7NKwyWZ8cky7T6_YbXudLzbhdwS4wcx6wIDEDAazGZJSvr6HR30IyB8aINhu19H7AMBYyC8ZcetyP9S_oVlJJ9zR0reBPXQswuM3Kn0J5a3L8LEs5Bgn3RhTl50FdR0p1An5jgSwPn4MWlRtJ6.I7K6vC6OZG.d1CEKo5Q55qNx80gG.10zIn94O1isT20ESS5EWG8HoNrXP7ZPgjp3RnBn.ADudgdAuaxZs9zYuzfTaLdV5SX6S4DSjokswZVTWZOuWrSs1S4.Rl4Lir69gnGkOeQnPxHVDgg0sR38vS1vl6xxKSC2TbpVch4jkV09S79pYGYHsuYCQhdQ9P40ZMYmaHZeAoZ9j8xWFz8Hk2jx2KN7FmnNMjbWw9d8qGqi4ca2Z6wCdFxMkVws4n1kMGsnSq_W54zi1ky5Hml7dLQWtguFlnwFrEwNUzj5G_XcmspRklg4IoOWEVrw_8IxmscJbWoM.VD0UdKzck5OT_z3g_ajqAT0lqg2N8o1WffMTVELSVm8EPmDBoyN6c6ac9niv3hv7l_X5xEoRNB34qFja_AH5CDEjGPWo8BPI.rSobAg.pcotok8D8EsuBA2vZ.33CGfLvx1MWsVhAvzxOVppp2VrngYxEJkWfVOmcR3DmFlof6.ChtiT7gZTl_EtkO6R6L01gfFFmK2smbyciZ5u_G5Kt3sMa2q_F9x4fbguAkYOltCGTUIFJZUIilCwQXAUAQ3rUgnFs49mUOq_4px1mjK05Hyn2MOIaVRSZBuAEs1R3C2xK4ENtu.WKFwrIJpxeh.6hSNhJFtFHX0eJP.SUGIDfPJeq0TDxLmZtE6eqf3TI7MeXpO8po13ekdCJL8JImEqgMF_jY88SyO4kEImyQqs6Uay9v3_m4zw_tIOx4iIHPLtCD92wwE3A1Id3rGTngAWFIccjId5HDN6ULhKTzpZ_Rze.gguQhxP5x4nAl8CQGJT3qXSRaLGhl40UMLCht_SEKEGYmQLr7ZpjqUv8XA.g_8wd37ambQq1UxOx.ww8igDqF5Ot2y1AdkDwOZhM7KWFG68I5Gb2e2wLNFQbyPBJ4scgptLYp5jFs6YmAsUSWQfDe540Nbmp6G0_iyRxOr85cFFlrL2WHA1KJvSGdzZeGiIadU7AvWa0YftIENKoDoJPP286kR013TqRylFjwvsUBeoFvfu67D1FJjxKYRY_3BZEh08zgM0R6tyJnh3jVN2n5U8F159bZfi5wQeq45yKn3Lc2lOhoWsWot5sei_S5ytqyoRSlOYmtXaU6HkLOBy",mdrd: "npBFHnWVQ72Jk.im0FQyd5x8B1XCDxqXehMwKBk66vI-1739102471-1.2.1.1-V3D6.6bi0a29aq4OtOhdpQ1Yw13JrfSJSwwtCjhCZfaPGZmwLw_9U3_uOXJpcCe5uHMlqalsR8DCcVaGxYZj_sNuVWl_oBRggMQRZDRUqtDl1CfTxxsf.egLql6QmyzHz21knQLh12OZTyShHBRbWBo3vKy9Ay6bP3Q7F27VH8VvAgAfuAdSVBsIiSXNkbLy7CPyI.il3y2W5vWFGHAI.UIo5WqxWt41IJG0hGQmWPnEDBYxAW7.sAEUvXvGhGKQ4VyipRhz9N7wtkyrgDpVzUvXBXlawfz6RKe3plTgKIpQxcX07_4fsrduY7UCKnfgm1B6Oh84BM_xjHePxB.RRrP_J5Kyk03bYxgEzvMDmo.VQ7.HokOYhcCQpz0kbVJuqX.8pPzM03GTBhPJEwYxdzugi0Ry7_LDQKsPF3Mo8LNNiUXLBnMpb7lmTAjAd0qyrDnMDUesrLHc4PNoavPZ8a2KRbfFQDUjf3RgXyogvxrA0rjICD1twz7Er.XiJwBX4UMwdXnlmUnMw_cCtgVkLy0c2nLR3A3HbtgLdrsxYMaRJf5ddcSpZtezJTfB16Wp4efZpx4KJe8KHQ7cr9r07sDdiWwf9X6zdGit692Iy0UJ8GdIdY0247.j04R4GQmRdlk7peeGLotsao6JoEeqN4UB8eY8kEgK9H6kYMQjF5QVvPX9xCT8egwEnBrtzFppqTq4HuKs5zBLl3zseTYN36j3etaFA7_YAE335tBVA9awc8K4UwezY4gT9KnFOS3gg3oDJxWPgrPf1poe_8jG0Rg2wkqFrtn1X26jzx6oMJzkaf2FnXN_AEdz.2qzoQ4vsCSY_3uzHq8DIvcqs.U6vKFeSvezjrr7I4tbH6BDcqertIDTlNaS6MhVQf9B25R4Vqkofs5kfMrBsaS2gU_niNLTbkCW5JadcuRSlvkOGwMX2jRt6Lw_SYbAr_LotAwcs7Lj801F.u_kxzRATZTVaLS6ikvUi9YnuhFvDS2JtjkzXOk6FJKyHs0hC8Z_y9V6NjYjUm4vFnaIsFNlct29JHcKlkpjDkGWGtpmQ8vOjQH6tEnev3gN_lFnM96KCewWL620zc7AMpZnX_hWmBcDSNitDlbbgamHr.EHBHEdc4sULtfTQT8lWUYkPhdaBdpSLpYxyiN4z1jzXB_yjJnbiXh154St9fPjaCHHGg3Fgp5jb2Xg4lUFTOm0u_7Ut.hQlPq37wiiy2a95pisKszBCkMa9v7VMetO9Dtpc1ww9j11xGRbDdrcXgxIUG8gR6lawMNczbGGla.xDIFqhoRp9mUj3WjGydtgLd4TrBm_BqjP6N5r12oyrI95NPk9OsryZ5q78q1qdATskv.MM7k5SVX_FNbn0qVH1LVWXHOWt3PX4ZqedEljZb35HTLKkWcjhEit6DCFZEFyA.1YT_qocnwWLPwx8OGRUAtDFjn4oTC1AuLUXVf9lhMcy59SkGutBFfpBJd4PSo1aHcqFBYkazT69qnT.qyLB0_d4OC22NGOTQ.5URPka98hax10mSNRtorqntKMfU19m33mnDv7EIm4Co8bP.R_yTFfqV1tL_pv6NpGXNr8ujLR.dw68alLUiuQpPGOdKCL4c2eJPgZ2rAj1tGHD35x3dUOshkfgQ1CmAScEpwIEt7AV1JKIhOmnIsuZKj.y9azZy2jxiiUH19FjGlFt7zYiPv551djSTj77vMIfpHqR3QB14vgbiS39BNX_1tpCppkFtuOnhaJRytzTLOIJoTISpvGoon2h___dsrmN33RFfKq3axz9JyM._zCvVm63gnq9qP19K3_cSqVKamKy4yi8CfCmMzAGet1dRetgByA0ED_EowF_JQH"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3b40e2cf99c19';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\/0251789364?__cf_chl_rt_tk=P_bITjwRCh6krTI2J2QApOpzHm_77nC3KkjWVV6AJc8-1739102471-1.0.1.1-ieaPT0jh2ziuRqAMT195yXy8rm3YuISAh9H6atSRB5M" + 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