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-487836537920.mit-edu.top/post/0247981653

  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-487836537920.mit-edu.top",cType: 'managed',cRay: '90faf06edee55716',cH: 'KXLiSY0KDgukX2ilBQc9Gcg3UqLoGj3_d_7ACZ.nv10-1739178344-1.2.1.1-D7Q9GPZ2jXSvNI4o7BURWiqCRHzi2XxVnaWN1A7HBUORw_2.vHCZjjGLBlypJsgm',cUPMDTk: "\/post\/0247981653?__cf_chl_tk=8duhnfE92GBlz3MY9HtH9tFhA3N.gtP0QGshzLl1m04-1739178344-1.0.1.1-0j4XMd66bhJyreufnL_qx3w9V4Hju.h7O.OgWKch.3E",cFPWv: 'g',cITimeS: '1739178344',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0247981653?__cf_chl_f_tk=8duhnfE92GBlz3MY9HtH9tFhA3N.gtP0QGshzLl1m04-1739178344-1.0.1.1-0j4XMd66bhJyreufnL_qx3w9V4Hju.h7O.OgWKch.3E",md: "5UUj_Mijl6obQd0Bs.UcWcT0Lj80yZttqNIEC8xfJyk-1739178344-1.2.1.1-KDHGLC1cym0rTgo_a8wbvDLCeQAjXym5bSr2cwpBf5suTa6x_fAJlyNuDAcwt_aQhk4Ah0uW66KNk1DKX9mMdAmdTJ9bgQZqS5fb9wdoz58jJe7WGDWu7tyjJOHogFpqGbKMf5aHRk18EAb.2miJ3jkbR_Br0O1WDiD1rNgQZQIZuYOuxPrs7OcIUyBEj9EgidLgxj8hMnnEBCkCmR79Y5oFUPqBA65lC95yRAUGMA0Fyg1cLoy0hqYob1k8qzBOd_zmpTqhdMqQ3IVbvsxQKtDCtKbejI.O_ly_ATxg6UuqsJrn4MgjZ9osfYbl9h0ns3DZl0jpov3V4SJ2OSX6_6P10ySxyHdugL7Wu0Yo36lhjGpzI6zR.75Xf7RcFZnCeiaxBEdAPmRnunj0G85fJKcvYktWIHOs4frW7Qty6U1BaALhbDwLMZJIM.ZGq7_7A0YKyzOE9o0nCQDp4qdPz53L9kb5WcDfO_NIsRZJczgHM7wew5vhhGfBBXxAvgsWR2BBMojs6EE1vsAuEZWDJkbd7EkaihX0RVn.UI7GYIan3urCe7RxHiO7CM7IHQ5EbPQwnpWU1bh0yiv6j0MXkfeVYe3LQ5qFa1LtCV1ffABHg1gRzrWt5pJ.hcujBhJVFax72ynJFeVF5YmWiHpT_X.UL9GDy8TifrmJtNVMX7J4s2GgkMxwCG0_3QWHIUJTKsgLMlY3NF8hxV85jJNWew7iOoAhxvuZQmib30ThJ3TZZUkKmuYgbXnRgmNVbuiT8vPihUFksYoUNIem4Qc3ahE3tiCRWJFhZOPoeVD9j9icKjPAxkEHGjjut7rypjmYUMPx6DiUEd109EJXWdHrqZMVJjOBBOzcVHUnVXbcnO5lrwSXVSc.WcxTOctjgrQf1DEs6ElUmXUZ7ox47e7Cjixgpr3iDbCxwFly8lfe_XXhmc..O1ztHtQA4xG70B9SJ.tz4PcERLimgjbPRioPKtk25GpZiY2s2l8uV3mtS9TCgJnRuoOEMx.E7H8f__q3045YYZUBz5TOV7brDupFmLwuVKYXM1nah6Du9jMGmJOw5iNGhrm9UvLeh5yiPAF1u0VcCNeq_NULWCHCRHwpjGZDcovQskUkV_GD_cRGR12dVBDPTYuwInis02pZFLTKWr0Uj.uaqYmO1zxJa99ODGdMVwPs2SMK0vlBm0oNWPUvaLUeNuA6BcTocYjBVqckz1akZQMdvOPiLZmo3kAe_lSWdg5M99yVTuoQ2Xbm3c4F717Ho9eoBO7TeeRJWi.sgJwPHEcmT2NeRwM7O645XXA_i8JDm.4NP1QbHOfHm7z90iw1tGFMitiTp129s7X.tWpq2Tu7T3SAOUusxGZCLcqvLP70Cge2ek5DSK3roY7xY.ln9ZMZGGDLK4mouPXfFWgxk0BqLVa_h719iG_Eb8sjXrUlq6RDBOwUKv9cOhqF6RLvTTKfULX.AlyFaTmIG1IEJBSOxJFuOLXIqUzPqcauATghGcXfmkK7.AjgO6ToMhH3v77Kp7h.Kb7JT7hNSq3_p_9kZl5fSYU7WpK.sRCiG0fFeN.x4X_B1hVZ.XyIotnUlsL567pHmBqF1zb.O6uLdPWiu3QCGATqRP9TcZzz8fIY0fb2xZ4O0HJ0OKbqZJidJu0CHP4ZbtBRkFs8KZ19FYqsmurcrx5BK7YLOW8AO9OTcfjcCoiyfemiBNypOH1gE7cZ2j2Ho15yNG6LREj.JGP4zt0vKSTE.DyaI6E06lR5U1IKSf__7qh6eXqE_obR5YFCX03KK1MS20L2tgiDpCkaE7YfRpwdsxBU17pLKBTZABXMEDul1fBnOE443mWD8aYbmn.wUq1jNGjwP1YUC7Ddjuapa_XWtgrpOrmtF8djnARVm4rIWELKf0jo6TBw.r.18E_m1wmtRL1pk3dFgx1GLNehyR_JR5xGQB8vVJnjwlNxal9SeSfNFo9Ybn4hRGzvvWdsrBrfxrvGn_y8h0LwuH9ZhNJFN7zPdUfgRaijRe8vmGOFP1s8wx5j0sTcWFgM_jA_7BRWKK_fRWsCtXTWWg7wFlqEyyvTSKZjyToWTiI6Lk2iWRWbbjT1gtor7gmczQgjqiSKAX3KTZIcgIlcGv95BFPiMYGuvU1zYWg1sWWv_6TZQIFDqldaPxIZ0nA7eM.EUDBegZvNdLMa4q2XQCRjd9KIcOEmZIc0ZXvRutbR8rpMWbhFTu_K_t6NRd2ksW7wtXHLqekW",mdrd: "YHa99655A.1WLTlz9XAbIljJBuLQ1ECAtqGBQZFrOl8-1739178344-1.2.1.1-i1h5u8qkb3BMF9L2vKEfpyftG2agV6vD0lgd5.PzP_HfyynMHwlu075jD1vmk2o0MnTRmw9Xq9dKIMkaQDL8YZriTY35wxmDZmv5yFkc8kCB2U0xzMTICWy_t9MNHgLvWG38B3UHLD1ND2.sLya4JOXA.bpvJ9rjY1ptKzUT.qy1eZulszwjmzBfWXAQDzLhcgp3UbnVDKB4QJqosQ40G4xLvELvxyZjaCcPAA_QNpfn_lVipBc0X3CuvGgAc6H2_A7SZzgfCTbiBTKMm5olu0ezaLFubFLOI2pQLDXgQxQEskFNzy7CIot2AIgi3b.ksg5_fsfSh2jSt0H7p.oW8umK8rZXJ1qmvOTGxwhUOLJEe5fjfjYAz60SBcWkrIsDD_Q7oU2n8SFivLGVdBIFtopaB7xUKRfgYM.4Kltd730eWmTQFV_yO7NtCCDWt272xB2a0BKrYPEUc1mxZE2CRxpqxeYX4QTkc_ZO5bFcy_7YOnZAE0_5Db7uf8J2DwuqR6B2SnbNLfyDnw.h.d4Kzlx0ISFJ3G02_oBi90.TKnHEm3O11pcL0HKR2thBA2qr52snHyZebzDLD_Q9VpiP0m4wMnMmNism9BTceNfkRhVeN33w_V8cPc4yGfoBqh0GysrV5biexU8lOmzdlRAkUGYOWSIEkvRb1xjvwJV5VzOOxUqrki.F4V1hRZJT8k79c8HJrC7hTVDegKg6d5GGyVXxq0NziG91f1Na4C0S9fIk.Pr_43rapxlvZp1PEK0mHSB1Xvx3nsAD31FzmY9DGPOY14dVqbTKCDtOKWRKK6EIDWgP243gClOuJMaGnEif6Vs.Akz168jG4Zjr6ZSu1rXBAdqAHQ_Dx5fFfFe66Y79CVX4MNEA9nkuAWF2aq_qoOny5MFNaCUhxwSx4TsEbCZgdOuJ3RflfCYNM0fRq0R25TsdSawsf_xtJwsRpiBnrYe9U5pWZJgO5IygCwI8rzcbDZnqG56lBacJdrW4gFGsKKyr4E103bR_LmKPcryR2rMIH7HHnELw_ZTE3znDl4FU27ljZHI4Fwz59sFFSLkUuluYodcZ2G8I7P5VnhV5rvtIPxk8W71C5Jh4LAGD7twPf8yfIZTWrKgU0glyWwrOr5umLHw7HDvcT.Th25p.Ij_CKvFlLMVeZrcSB3L6KmGjXJ8GdHqrXOMes3EOCX5dHGwR0wVjcT_5Ypz4T.OWWHMw9KgIIGX9k5phU.LpZv633ul_pRf335RUtEaSVE3OhmeeUNkCgvz8jErub6_0_vE78zo9fOOcYoTNFgOf1BbK_HkbNVad2IsSZvg5jouA55iAik9sMIBlcAnhhjcZ_3MEyvmtwC0_76Xvy6MXGbBCzVLqFs44IB73SHjYqwFRMA_hTfDGiqhRB4L6wTqR.Doeatll4YLs5LnKVRsaNuN9SPqG860L7MoUJdbFl_kO.UXvI5BS31MJ9PS8zybHC6NGcVaihesTEo9OsrqoRFSVbpVJdYLXEGHJLpfmA5iK4Y64RAymYvQ.XdSABZhHeVqCt8xq9i0cbxtDjt988GVRb3f8zqhYd6Gove9Bj.LKheAchXYq7tX.UMvTE4oThWNoGjG_RjZWmFqI3uL.f1sHHkebGw_p9hQZGR4O7dOvs2OUfW5ybW7tSw5lJKR8g5B18ozPJ.BMErbrM5Up0fUiv0Hiv726xPRr_0T._aP7CrLcb2TeaWRfJSKVR.Y2SpkHvIpZ3SFnAMbheSAVzXZks4cIB63enXB3KxTNNsKifAX9mP_XZ8B2AnQXFGqn1gsPAmn1CbkRhythq4UtLO8SjAIHluc4Vc0YtpJ3gP4"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90faf06edee55716';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\/0247981653?__cf_chl_rt_tk=8duhnfE92GBlz3MY9HtH9tFhA3N.gtP0QGshzLl1m04-1739178344-1.0.1.1-0j4XMd66bhJyreufnL_qx3w9V4Hju.h7O.OgWKch.3E" + 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