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-447287627443.mit-edu.top/post/6294870513

  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-447287627443.mit-edu.top",cType: 'managed',cRay: '90f3aee05f53c973',cH: 'JaXToGbg6z5tGC6WWEnrua.vs_N44fhzww3olaqHS4Q-1739102259-1.2.1.1-JDLLIIY9JVPWSdRgjXUlL9i7yLfzXE6Y0n9fTFJ.dfZLOpttAwwVgMnp8wK0qTCV',cUPMDTk: "\/post\/6294870513?__cf_chl_tk=.bACrYjInu8SEUpQqQhBnstj16YjxuxfeaXL0u3tSBg-1739102259-1.0.1.1-flUgJ.1i_mPq2NyG8xlFdOX34WqiCtiT0uXEFKNkizE",cFPWv: 'g',cITimeS: '1739102259',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6294870513?__cf_chl_f_tk=.bACrYjInu8SEUpQqQhBnstj16YjxuxfeaXL0u3tSBg-1739102259-1.0.1.1-flUgJ.1i_mPq2NyG8xlFdOX34WqiCtiT0uXEFKNkizE",md: "ohbY3njWaQO0pCBKSTHo1jGHyw2D3a0n6f6J99vKhxw-1739102259-1.2.1.1-3lUZHYnM0j9uuugQET5Z.zn1ohcMaENJxiKyAkL4FYguO_VneeWV9h.mmtkYrQ_pEStbcJpnlyoyZg0EO5nF8NBW_yFiZaX3WQbL2Ihwd6eZ0wRQU9.ZvrOeR6JtnzHeSue0E9rkdTUent64mv7q.DROGsYHQYsNkVBWmKA1Zl4wXM38jqqsN_4oWDvbWAVtOc6j5g5TzMX9LTVHN.9JWUDXDMCLQCK.JKp18BvfIbp0Cae0TcJ1JGs4qnFLQH6Fj0vOYvZClTjM_It8mcCy6ZJ47N9YLKTMmomUWOvRoBfjZ8GY075XjPF_wBqJ2n4b_9SNMeRO5ZOPnJexQjkj90YYAr9tE7nXOAgBsfT9C1ydsmCTkW0vw4_j3WbH11NN.cQAzhfR5Me_tehP0sUD4pU1xANDe4mcFsX9I2s_m4.vF1_SoRzEAHpC6DcYshgHyhQnbTwB2hWhth2GvMYi8dVy16cdPr1chuFDo1pkZjE..mx2sNXv5HiIwhev4nyIIC5aOVDP.rPuLX_gtjFVzyY1tb5gxxAvfp1HArI3oILctp1s6XJOQ8eyJqY1ROw98kcYQgFFPdi5iCxVNs3Pj79htP4g.32yzh62Fl9SlPrh_X_Kof_r9ho9Aiu3dbwZ3zqYVL7U4pTzQuKbh5hW9_9rSEBsUJv38cAil35R6Oy5NzmHZ.cE8l3MPV2fxuJWhF3FVOSi9gew8.zwxewX5W.qtK87wEr1K4xKtMuElAdOUOvDrHpWM3pPwJLr86UlrM67nD7ymwqSxa5NGfmuwPeVV5gqqYXP7NX019GGXdFdV2Q54MTudA1Jn_7lvhFsD1RRpCqc3F0jxpQGBcfTQf5ZJFwyhpnjAbG30GZazB6pRYZoobc4ym_ChkknYr2e7vcm3FGJcKQJtuDsL5B1B7Voc0eCP6X6xGls9ogEoHLf15kJfgpshsByle8L3DoOljZCLpnbwF6mxzFZlFFstNT1Lw6SQS3MHiURRlHN8XaPSpP_Jw9mMl8iRqW.A5x4s2eDiChGaY.g6OkWELLE_eiqix0O24RD78JoJdZtkR7BHJkfHrebkff0U.uhyQFcCoz_H95AwvtkDrR7BZBTmllB8QCcoYWi9fT7V2pELgsfN79Gt0HI1JGNcL9yaa7Ef0EULyt.CCenCkFuTZocb1W81Y5VRLM5jw_YpCR0HNYBWTR.tHBBL1djigwO9ACP3dmoqzLyisK3LmkxtihewkUc2n4pLRApfmvso6PUBAAmBV.qeRr8J.Mbwqv2kqMnm6ryYiLmlRkaJhHqgJH0eSxOMKx4uF6IO7zXVwvyHDWJcuTCvnMQ4X0_kL5hyAWSak0EkZ_O7oWlki4oIwXUFDHWURdnOqFhliPF169mhLN9bl16BFaPS2.EOQN81wdTn4wYw8cMrHb4FYpsc3pBMN_T3dQEgBpzlrEcwTnnhTidz2YjLULsPqHBf9xFGSxxFo_npnIR0gJSAidf2FgcMbJyCRWG0Yf6rLht6UxVqOIZ65ywrR4wgXEnnpqRGP0L_GgTQ9WUOzBsiWEtZzbnUiprRQMJDG3aT3O_k7dyvWarU2zChynhy2esKBofwUpQWt3ObaulgkrcRm4HL5HAw1MhtIWBPwxgNCk.yKCWJrNkHuwLuJFvJ0HjHk9AvwqMcDXG5gK2uYVGgk1JfYLGPSt2hVIdJGWLCd.D67hXUjIQ8ARAMYeFKNzw.iITczpPvJmSxHxOP8HZUeN5DZ3jZwLuHuaa_9NBpqy9zcjGtBTRbQolcFBDp979Q2Hetc.Tmpz_vjmxq3YLqwzZE8cQqqimq_zFQUy2O1__A5RXSWWE.hl_hqDkgBWdQexbi0bZ6LZOga425eRKOTYThv6ItS335o9n0G5rKoLt9aaD.YOuE6xvTK1K2pnTIdELo93HD2EXx7qoQOvGxL2YBb3kNuZb2UhYdk4nVe7hEx7ZqqnVb9HRiesCNHjEjRo1JcHjM_0Of9W1CuMHmGvtkRbkfX6z3c4V4UAQOqA6gPQwzKyz7lTNzKOPsCsk2HXpLi3p4RaloMCFDUufCsqAXQLXP8Ei7aW_ChG8hCkaJSfyDR38A9DN1jz.tDXSX9iQBDFVH0BOpt8JuEyqvQDpk.BHgVD5HPFZrD_v2WPjMZdNinBDbPCasENyRLh.zcQCqElhUHQJDfVnDoPnK0ZBlP_ewaN2NlF8U2dYURUU6eZrDNFo9NliNUGHBLNuu2gf07Vf",mdrd: "HPRPrQlxTpgjBOw498hZZfT.DstqM8AUnTTxuB1EK4Y-1739102259-1.2.1.1-_e6VmPGh.bRkr010zrfPfS93D1VAqvjEVmwoLMhpiRW8ts4MpKg0OYong.U3yxcnSvpr.nsMnfzR4uw0KFQcail.hdNxgNEqcqw.DldpFZTD505KoTEBS68WsYMLJQZhVsi5sYC3NdjSD2BSEQby4xFyEeyg6NWF8yATAdVSrM.ZXLt9kQtP3ZVMIyt6tEUhf89kTomfLFNrF6zPO_z33EaZrUjT5rKV21.oh438st8HgypxY.MMA0C8IUNe4Yaxg2KZ7LaqJvOeWMQEI3AwUvrhAQlWD2tAymwliUCZIIC5JF1knM5zLqxPeZ5EJxz5Jc89XpJwR9GXSbyGsTiYxpEVvGlwFWv28upaVM6PzTZgRcRmwALHCNN1bijOkkcks8ewG5M.w9ODsqkONUou7Rhg8607oqci7gdITMLBkW4aIav.5qDqmkoYKCbs8.UUtnXg_Bq3wT8QM_wKVAUG_Gh9lH_ZTpe5Fz6i_ZaZgsHnwdLmyWWrT7TRQzai2U4X02bmNMspu_94NqcduXK9g4H.qg0vKJk4A49Q9en8yvBXA.2_vaN0YeotUTX8Jw9JBiH9OHuyu_Ae8Xc.zw_wwkQJBdIJEIY9PvS8SKTFWael53XM1CNdzByw553WznXYiMjv3Sv_zMaJJDQJWh6n5dDIMVWgHEgUPflkhyFxgkBqcfzbqnswjJ31ori10MZVLImAb1d7KHGCsYmfKdf34JSh85eGP4vPCOvvJRRxhiKNYCEKWh4TJDuwNy3oS3tc_Lrsc8JHRHe5IAf8ktPkuP27KaBD79wxwGdQvB4D6E8gDOT2h3zpb_QJL8IrrthCaYuWN27X.KD0YL.66ls5pXPoLWpslymiNO5gXNnljXOn0MrF2er6WNyyHEuFWxrTM.wkcbH10qqSpSEnnTXNTAwyhtYAgvsHJxZMJxzT_8mImk2HmkwEhiMWWspwLYguYO2eJg41otpEN139bqLFBJx2wrb2OisnxfoNxGMb_gSrcV0TDL98iQaiTVCqRIQeG55RJKK5tfjurtmzfpU0JViRJfDyhjPbXlQC4gtuA50_lb0sliCuKTHZGvDQ9W6qANeG_0jduRCAW60bnpPz0gPRGVfv.5ONQdCDyZ.IkQ7QvzALtEVXK.tzqzwHIJFp0muMAab7nWfk4gPu2nUmXrwICOJjddunbxKBDR0UkBbroetfJ54e6nu0NWiN1VkpwI5NnZ8wOS37tkS6nf5AOSlA0.bZMp0UnGGqpnuKVIm2_U85bT4e5aO3.9YnZypQCWrnP3eLekYlndA5cYtP_mIPIraJY6YzAGnjUJzZKk_a8h.GNSqgZVjUIcS4b1TTWVVrctbKBqP._.UPN0Qi_fMOO0zyfNHcAxzl9_lm9G8RoEEof1BvElMySCoU3fOVenTK9dXYOWNPish8go8R5Cycyw37btrEzPEPJpGEAyUH6YAUEdQRfMQxbqWp10kje3k5F3xMSrRUtm4iKaQcOouHwMkU8lVExusAJ0v6PR9RP3.5HlHAKQcr3ZfjacDtpCfWMF7vmRVwHjxgryQr_xv1tJ8lhgqywcMS_KRiggJw0UwQ8U3FrInqJH0NJ8hC74EPuTfN61cYr_T_JbkL.rw9KL01_Wy7VO3yKKnOQddrOjOI9ACS.WJXB3aroI.K0Wukmxhw5PZ4KaQBJ1CBIeeX4DYADuDFP_CAARcJXGyGsd3SvW0q1qCoE41AowiuzYXvmYjWezTjIMiO.kfqtLC94JplekxdJDzJHEG9zLa95QFpCSmszZpeK5T5B6WYde0nqix8LTrgWPAbSgSkzg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3aee05f53c973';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\/6294870513?__cf_chl_rt_tk=.bACrYjInu8SEUpQqQhBnstj16YjxuxfeaXL0u3tSBg-1739102259-1.0.1.1-flUgJ.1i_mPq2NyG8xlFdOX34WqiCtiT0uXEFKNkizE" + 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