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-477044846381.mit-edu.top/post/4857120639

  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-477044846381.mit-edu.top",cType: 'managed',cRay: '9107a00a39cf07f4',cH: 'fX7k_NTYWfYnRHOLgiwUSJVqAM2EIM6J_uHp98M_o34-1739311366-1.2.1.1-jBt24n_YdFQRtFsb0xvGzehzvbNVoeaE7kxc7heOSp_liGVC.2PVqpdEb7qNwHuG',cUPMDTk: "\/post\/4857120639?__cf_chl_tk=5ZIWZ9WJn6WIdBJ7iWQV8Hlf4VKBDFfucc4q1amOwOM-1739311366-1.0.1.1-ezddYi3GQOtr5QUENhHOUCNOcBUMt7uY1N7hLF7BB5A",cFPWv: 'g',cITimeS: '1739311366',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4857120639?__cf_chl_f_tk=5ZIWZ9WJn6WIdBJ7iWQV8Hlf4VKBDFfucc4q1amOwOM-1739311366-1.0.1.1-ezddYi3GQOtr5QUENhHOUCNOcBUMt7uY1N7hLF7BB5A",md: "k_b_Mv_5BrwFsxsb6f2j0KVcm0RbNs7lDGI.oHW09nk-1739311366-1.2.1.1-2Zj0OdMUhk2ONo9Ma9WcpWbgy_Hh9Xexj1vet5NXwy_.HG.8Wny9gTl3w2A6S1f2iFjZShs5JrvABHoRNBGn1BqZznfqnDPTIAOmRq96h7rYUL8BShDBJNw5ILppqNblK1A.ua6kD2uQ3hVeuNPgHT2cUDeL6USAi46J8sicLvT9KXwqnX.8rRseVP5qVlJ9rgyuUsO8ngwLaJQsNn6Gs8qHdMMQ34u280UF_H.6VEqsCGhkXMm5TYnwaBeGr3W.jGqtRHLGPE7tsDuNCFIC99rO7IM0EONFgrK_ZvG.Pm.NTs3HTRY0bqPuAYACYmNlJekM2e6ViVsQ0EjuHxklIZn79XzCv1PSLALxAx7P8bkuuz44LgAxMbVmh224E3Z0JPwx0tdIzY7N_GWgDHWfg2af9_cEqvqgkIb_ECqGFrj5UpqGbnE3WnYvYUFXfL8677PKOGxigU.5.5mkUZuv_uZuvZBrFGI2MwcwKfKM2eqFRcZTQ9ISvy6WsARbNwMSbNRG9zbYl3stkE.l7Rqv1kZpsSVLh7sX1sab2tptqNemirnkn229GN9kvv2Wvm6nz9DyI7AfJ7Y_aRcnLC3w1Kxnggwp2InBLeEZzBRyWIudcsKf0FydhS7EWGd1wDN3EC4C_8dspRG9SVNFgYZsEMZ_KnZQ121bnCJHw6Hsk8uUH8oE9wHlXR.mcFXHPXdK8fU8Um8bsx7SZ1.0oLVtC2RwegODOSBdxj1nFy7zRR9KG8CSTJ_YKCFNoxSba2HCTKlHBz2UDBEEfMSbyhJbrX3bZNSUblq4t.3txvTmnoLepD4zj4zJqQfiFHDMVcVZ.BMpxHfD4CXM8KaXMinirA4T5OA0N18bZgIkxqekb1Zyv.vB1Ag5r6zBplhsIXaWxZps2vTOKhzDPC6nD7Q_VWT5qTNNuDFYxL4xK1p2nfqc.NvuPx87IlrVEdZ5CABF1MkBQ97n2b0.9mM.mj7CQR1WjxaOeDljGXQaMYqOhYEDlm4whobof_d01EMPab0x4.r1nc4W8gt55jzDssyxzxXPRS15Gj02V5S_j5t8niRSl5RxARkFbHMRfJrkLnYOCpabgs6jSywZwlUb0gx4xgzRpZO4T40ft1i7dCrL7R3p6Rm_ZbFkgMboyQyapNOnrHkPDK6ad7i3UccpA8pjz.Bly_eGAOEpYVBpJuDVviPdi.ae.6WmtMun6nqYbgyXHQvDXsl6N0TQYKmn5cz1SLOUyZ.UcPgHCgWtWZZ9z.g3x5CJN4nbZkrFWAKbUZonFfosFfo48aPVhn7.Mjbdd1kyRS4tHaVM7LDVQ_hX9kg_9ySnTL7.hRG_aMKuIRcTzf_6HiEwYqTl5322UfSQZyM7FyrZ_wAgbkEqwwCerCpmpo_qqmMDzAj1Aoe.gHIQp7099I8nXY9wJkqBu3yyZBqKNPtnSP60uCIqzOFc5AtmxfV9U0BZZkPt_ClMpeSAgOr4XombiCKTGC14sJyuvNnn9bbUO0wDg1g3ZPzFwmz6ta4z5_icEhdAwPyqlR9PrQu70y0FvXMbOGjh49ZJL.BalimctO3KPsH1wiZDW4D2BNRm9bXjIQpCT8bDQadYM.xTpgoQR7GDx9f9sYRGai72QW9vA5ZmJpgZK7dxQ9HUzibh6r65I9_AEvG3av5ahpS.0KJG3EU3dgmIkJPrOsp4JjTSRhuM005E3L1sMIwoga0W_h9W_KZuVQzb4z1Bf3Q0JOOFuVEEdFC0CkO2fC9cqAxgQnaxbL6NR6hQ2cKUenawIrRHZD5eRO_ZLOF4.ZiYxWkM9HzQ1aJLgXrELVLrcRmIo.DuQg_coNnacXOKnoTj0oxIJpQRohb42HR2ewi17AKBpuqOZzL6uFy8At6K0ca4M8iqaCupYxrSmeHT3RXSaVWVpjPpUFcuu6Tsp1t8FnOdnjoeaZsn4ddz5WKj6tf2g_.CuAynmEY53XBy0OuStSsWImVy_VNVhBmZvM2gbxOeFLf0_tz16f6prZh4.Ds_9mGZsrFw3Wi.jSsRws4jrQMExl1zgjgTCBAypf0Nj3U7GtlRXAQTfnTDFhKGP.lKa.ILqhiVt_CvgiBluWrnNQ03yF_BP8Jm01OhqSqFGGYI1ufNEvPtPwUP81FT89tWi8O0Do3kL0a36xTCpLi15UYuZgPpW_nmQ1OHLAlkC8OxBDSClogXHkcatArnuf5UYLB2SI0EGPn65dVih_L2cvqNb9N4fR_WJZPc",mdrd: "83fE2T4utM5v81XiQXauIKqaJTbFp5.jhj_RH7EXwZs-1739311366-1.2.1.1-aHjXlvzbk2_7F6Gbt9tOnONC1VNmYXkBMlIMiK18KEX3QnvZOCy865vVno81EwGWufgHG88JkrOyPJFu6fSgk_PycPhQKr2uyEgeJ6J35CCckAWDy6wmRx7GzllRv0cBlO7CtizkrjZomRpx1sxMeDWjpn82nT0SGYEORCut4BL6jnEBqjvwXFv.KKXbJwawW_6t18E.cgOkKdmujmkDPfwLSWW7RxCkgPnQMPaxpZo0eVFB6iugk6c49id1vsWj1a_Yzz3pPmF6D7ORFiT82c6uIgxZgfMR9bwVxd5Wq9ofayBTwfi7c5KDEVSkTW5hJ.p1d_AnPxuFpv2.kMNTPPtTPGtzm6k3q1PadQBXVvvVYoXHQomFlDd0Q2viQdvT2FW.sPDDUuImKUm_6iOZHUS1ZFaDUH9RKjbOC6SatCKMHhrxefqQDMh2aR.hRelsBtSFZ96DgcVwwHutcUOg4HIe2U07SBrAuWfZK.jhsjuXIOSY4FNWLsTl9n9jheDAf6EtHwzO3V0eKpR2cS58S2rzvoI4wOaimzr_RBbUCVe5rZxvnrjI5WQjrY.zpcRSUa.kR2X.w3tZWaRl15e.JaFMwTuF8gtPo5AeMTvkZRshvFwLuxOZ860qkSo8xQozIC1ZOgikZBvWlDa2Sv_5KqigghHMPbtl_LMj36O6oeTA_FRCQN5Hp.XLPg7HJBBmbD14xvY3XvwEIEdSZp9k9t0NsTl8TfwZrIruk1DaygM6YGqHOzQmhPXgEIGqBh96NTE8Dy_6XXsCgifqkwJPBTff61uMcIq2MLrC5hp3O4wcRCcNpbg01iVK9g7yS15tgJp7mCL6hTnF.vEdFsW7D9Q.NponvaJPUI2sraZP15UbIoYU.34p0IHSRqW1.2p.lD51XYe07afVCinIOluup2bIK__qHEaFMHbm8SDkAgx9U2YrtPNLNaiAy3EbAywErxlZAsDtlziTKmZANnU1RKMKfsli1C_yUSaGJhL5X7WhW64pdHs2Oept9h5X0rwtGZ7D.fYDz4arE5wyIrJcwNNa9HrQonk7cRetajvgNqFbG6NrjQQopZIl8.jlbBCbSezBHY5lOBEyk5M.9BMEBH.GrGzGC1Y3MwhtH90Y9jYin3ylGZjLAA3o_.wacqC5V1i5YOGvrNFP1KyxNb.aaiYuVg3iTxdikaB2d.Morfd2BAGbp_vzkDb44M61StktXIILMlTC2gAhrhtaHxJUtyq3KA6XzxnRY4AWLyLktLGIyISiMJixSTQI1Wq6cejzFXn1p4FoP4wJtCEWLISIbflb29XfFerce9pS8VeGHevi3BEz_ZwLAN3h27BKVPFNrmog8.QJ2jsAp3V5y2wqHmntJukduXbkzqwkTshmY0olnOfYiHHfD..cG0pQ5iyax2K8ZudLc0VZhzmKV3_saODTNzo1gCUVR_v0J17p_K5ksHQjKvFIEkK8nEQ3MGNrZjjWRLs1VmEkJkvY6wtXSnhaC0tg232yDczXBtlQOmJj1cM3gaHeA_Zd0ZV.bfpo2dw2DVlRVS0mePmR4rmgOUOy8ILTV.SOF1uO0se75fp0MHPc3aiBe1F9hto3hUkMl1FpnO0lg9I4nMm5uwqCw_3DEfSZgDN8022L5sn0r9LiNdfnsGo3l6DReNwYQucO8PbF_xsPGaiyysu0YVhTpHaNiSQcNREJZYzjudMtkV8T5MCLKMLpdRgYccIWdJCwGy2nEVrFvXrgPZPR0pwdkEpL4nMi2Mk1YXTS7JVdUn92PRv1F5waRKzgVI0J9Lymtzb6Iz1VP723SaPcMAsFkvkp0jlpSlAnyhOwqku.9vw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9107a00a39cf07f4';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\/4857120639?__cf_chl_rt_tk=5ZIWZ9WJn6WIdBJ7iWQV8Hlf4VKBDFfucc4q1amOwOM-1739311366-1.0.1.1-ezddYi3GQOtr5QUENhHOUCNOcBUMt7uY1N7hLF7BB5A" + 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