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-461021176720.mit-edu.top/post/8970635412

  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="360"></head><body><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-461021176720.mit-edu.top",cType: 'managed',cRay: '94b079f14ec712ce',cH: '8l550EwXz4.UhYCU7ouV33cxC3XL.gIagsqwZql5vmE-1749134963-1.2.1.1-eI1iQx0V1YgAw8vdt4qvucAlcoMXBVA_nyZTVyEN84OK30b0MQ6xSLmk.wZzi8dB',cUPMDTk: "\/post\/8970635412?__cf_chl_tk=VkvKipiRDT6Su_vdWM3zQb1.__i47mS7k9.loNykBMU-1749134963-1.0.1.1-eJbJa1KidzjmjqPYFglzVMevhlXaqwcA9L_24GwmKKg",cFPWv: 'b',cITimeS: '1749134963',cTplC: 0,cTplV: 5,cTplB: 'cf',fa: "\/post\/8970635412?__cf_chl_f_tk=VkvKipiRDT6Su_vdWM3zQb1.__i47mS7k9.loNykBMU-1749134963-1.0.1.1-eJbJa1KidzjmjqPYFglzVMevhlXaqwcA9L_24GwmKKg",md: "8KWUH0IT_Ss9CJsO2NQ4VybUe6PB7nk2DNz2bRoGFk8-1749134963-1.2.1.1-FjagpCkyFiBbXPd6GDl1MluuP4.5LLmMuJZHFIMbfb_g0OZcayEcrI_xr_PLD6mHvJ.t6MkFFulZHw33uM_W2GeV1jdA_wtfejZXFL14i5jhLLTjiK.CSq1F0FleMWUOi6BPL_tZ1Vl74siRB058ypQf2YIICblQfHsbrphkh.Zr9HYKj4KOF8hFbOlZWRGSrZHtszL7xnY5MZzDFIqInjozKpNSIvuz7eq7HTSyexS0fAF1io8zAL1hMlUgA1X0BEC37HlQxlu3ldyjd_hSFvdTAzzQAd1Z_nehYRdmc0Kpm_5THJbqB.xbClooNHye3oI7JpMo1UUlj3J541VY2ffHR_nPiBtDbw7Pb2QszbEbgI69Ad.YaQd6TzInCcQvo72.3_t7m2mfyIPSOb85Uqw7yv.RdPNEm5bgnGpaT1w90LSY_tweGyfyC.eV9gb6Gixt60bS5riNgmI7.qa5jhR3jUfw0DMfidp9Rd37qHL4wVLgaER2No_cQPD1XRgyJQYxWE0HXV9IS5Gipp_lwCdVZc2MQwbBZ2iREr9yP3xy_xFhzgd.k_BOrELZSi8ksSYGXEOvzLE4b7P6rHbUp0TPm8ZSjAk_y_.MYyDu.M58oaU1zS.1H_5XOuTxYoRi9yZpA451i10moN1PAJ2rm9VESkq_uMu4hNzFEcTQ7sRfY59pJ3Pujc1NofVgPev8E5RLmpM2cCUb3zyjrc.Oo69_eF.BBMbn..IxLcmFKjt1z8BJ52iAbzZQY5HCQCNR1a4x66_bYjypnwSTUd8S7yPVRTphrwNTM6VZBucSjCAGgBcQuFzMkdfgXNd3Kxgrhs_pNJfjckdv5GgRsPecPA",mdrd: "CmmF9HGBfOJ.TRrG8PqcrW9g2EBpAekQnUgh85Quvoo-1749134963-1.2.1.1-40mA_hAcW4TcMYumLhQgFrVx9l8LSrTDa0re_W0B.oTh5Pa284yn3M1AAfdm25G9oGvzAwnJKWb..TUlh2ERJtb8a0SkZdPG_r.N6dRPPI2gNUni6l7Lf9H5QhbQP2Sk4XDENPWdBqsZ7F15Du3BbaxZku5FBNfTc9s_7kIIpd60VE_GG8WB.WrP.PXESbTlq9x8pWkpKceuASljf6n6Qc.X12dJMjIK7.x71vtmnH0y4mffPyAzuZMDKa3DJTJcggMJamn_aKTT8o8S88wEuVX14fdUgs07aknCXCRwkMEgLXLW6dRkB1qYjX8fX8QCjZTgpSXlvVeOoQwYJ2xBvOhxAbUWAvix.USuMC2YMfnXW9Ctk2NQpAJPgVHhoDhGlmiKIhwjO9ncens4Zfh3RWoPt15deG0GBEBBKE3t71xyQ6UTUO3nf_66Qca5nO8eJCQ6Z2oaHuz0x8aH.CJZ8PynjUWcgBMsCjrZ7927R.3CS_A_uQLpzU6nuKlb3rnEqEB0jdNrAyfmEienry2BthnNT8s1Ztc6wWoRDUn9KzkHqw0JRwF_QW7JEC1S7mQAhVDFLaL8LiiXycKDI0hW0RkJMLzg5HZvESsYSbVLTUVkyo4_6LAKuvgsUFYYciY9MbJkq26lHPt_VTWKK2bICgqdNz4WKip9RTMwnCRLePIkO2vWTGVD.1YAcauIgTaTIY7Y.dJWtyY5oAfxp37DUQskFUYx0XMCH9Ne2Ce4y9FhPEA2J777DIzbw82XKq.O7Esjiw3OSjF78hicZuPe_MP8n9VLxI7M2P0l1CmX6k1kdzlSRIrdZYGT_427IvepxaUx9zJwbut_DQt5LV_Lc9JuJ7rSg.GrCgHV6Z5x3L839003CAV7BfgFMUVOKXiIgfgYwRD0rRKrQv2D.SioePfk.lRsIX6FTrHobXUEGMl7pmoQVHB0gBC1TJ4uklkvRf9tXF8_9eTO.XBHZvsXYlWaksQ.6te0zJCNLgSa.xMyuDSOLtp7U4c3zZ1tN0Nb54Rt_zN7P0oqnhG5a3CR21ucV1aXH9xGviWDvVJ_BKe9Si1EEtbI3ifHP0dwGCZu.c0BKmemlQSzT2jScp6qzp9DFQxvWy8aIqPUy4WMGnDHb6we1m7UqXohoqWWnu9uI7fbAfIPJt.BJZaCLLHLuGNauNebyLqSWgoCaAMroXMzw6VlM.V5GGEyeJIjsfOI7rKPCMKHPkZLBAo0Bhs0CwNCbVRyr8Az43.MOPWGcKg80428GlyY8qfYOogrq97sBwmcK0KpLlt0lzthFYA72jPFAUbOjX6KSMJC.50buZvpcfg_icsD7DJCPiwecb9kbRC.kEP08DwQawDpW8tlupvQv5nQxUuvqj1ijdIYLR_56lghd_ZtIJq6H3TrAJU7DUj.pLH5KCs68nm_SuQogG.m2x7nn.B8vic6c6YLnksm88IWD6XbFSSso1KieRC75SnUmhDGjUa7qZh3nUflXbBGF9VT_z1LElfry1T3_qZo9UEA2bZZZ6hMj1cSXSQI.KciwYuVcjN0OjABAWvrhyDiYr1Z3nxbA3m6WVLfFm9_pT8OAxNZhlsxRiq805MFtXvsiMmI2tSoouJkbewLTsD344yfKlcThr6JagKSze81xqxu3ii4Mpxa98i5gOBp2qSSPaQ3a0pkEsDjbYqc.jY8kpq4XL04mXsyE9K6qnitHAEuOhrD0o8DfLP6VJ.86v9EEkU_wf5D9Kez8_mFSBL0wCtPJWkCUffMXWCIaq.MEwpeinrUJ91H9KuMbOYJ6IE7ZqfkAjGieb_SlPnsVwHjok5YbCNe1CRqUANUDP1KIMYQckjmbnQN8I4AJqap2HOpTLYnx9PGC1ibDHItUKKVMJc.dACJafQCbjhecPw7a_8AS3np4li6PYYOagOl"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=94b079f14ec712ce';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\/8970635412?__cf_chl_rt_tk=VkvKipiRDT6Su_vdWM3zQb1.__i47mS7k9.loNykBMU-1749134963-1.0.1.1-eJbJa1KidzjmjqPYFglzVMevhlXaqwcA9L_24GwmKKg" + 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