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-159789780835.mit-edu.top/post/6409251738

  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-159789780835.mit-edu.top",cType: 'managed',cRay: '90f822e8adbd2899',cH: '3KUCUZG6_d5wpnj0lhhOcTESOj7X0.qmQIgNdNQYXHc-1739148954-1.2.1.1-ug_foptuvPNGoqXCOkndyh2xLHGBUtiHtw4P6fSXAyFmbRshoRyR8V33mMaJXwzb',cUPMDTk: "\/post\/6409251738?__cf_chl_tk=V34y6HDiw92EpmGmyMnTg8p6mUVPKQ38uTqF0b4jiNE-1739148954-1.0.1.1-q0CCZUk1Sy.riqcMHKNpYRpJq_rBdbQ..vsZ5PwPcdI",cFPWv: 'g',cITimeS: '1739148954',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6409251738?__cf_chl_f_tk=V34y6HDiw92EpmGmyMnTg8p6mUVPKQ38uTqF0b4jiNE-1739148954-1.0.1.1-q0CCZUk1Sy.riqcMHKNpYRpJq_rBdbQ..vsZ5PwPcdI",md: "LhXdKQWSACSMNVgsXOtGYk_L518WYDKd9gM04xi3q3E-1739148954-1.2.1.1-76q8Ba3SS9IY3sODFGW4mDMWDRHLWA2t7TeOe8Y1_8rMDbCyjUkgy9kjl0Kig9rMGLH8q9O7QL7FE4mXtQKWpwr3udajiamd3JrEvEPAVwyxts.f0_D4JloOnOFxcy_1hzE9upwhavpvu4stFkdsnTeAQ2HaVutmCtJLPylMMU5ICSJSO5w2BtpG5CSjon3U162_Xy14Xspf0fyeKm8LNljHdMvutOtEJ2hwCtOYfV5KSTh4i0KBKb.3zgT1PBJLySTUjD0afLWUHKzW0PbqIcd.f3B4jkB.cT1N5RjfcIBwD0RNkrFxYJgBfZRCr9O6eJsUjwdVV4yNsiMipfSVpCKR8OqVHSCRA7S1VpAZmPDzpFy9p97Eic0SNhjIzuwE2uUODWGm0KQ4OoKO.WeEmP_gMCejn_8PiahniZ7MZTaGipRh4DLiUWnzdFEg_8ymgl9ybaDOjHJBaBaeTLj1uCIet13G_GqUumMaLgLpkCdFoYtqvGGYLQUdCH2ZSx6nTQhHXOxb439Zty8PzihWL9hHkTRz61tB.FXGCICuNA8zsNjZ6mzHg2x24tlylDfh7wU1tuTbmT2b_a8xyelfz4V_xH9D68YYiILQyUtoaGGgQmj0vdLnHVrYkXTFfCP224rYeSORjSlHKmFCNbr5CYXfU0GMXEL_lZvpYJkMQJftRL.T7zbF90NoAE7zD_66NJBLK_9PwIf66uHWXBMi2eg7IGts2Z8koktf0LtmeEpiPtJoqBo8bvuJFE3wstT4VSMLUChia6rVIW5YzNwfDIU7c.0ujoymsfXcflJDfJOKPZxg_x7giQeRDLF3z5.gXYV0T0cXZM8a7CkHSOByLNgjYXjFipdb.C3E_0KTf4FL5WSDoDNB4o1OBfUCJM73YIV.M9FNzaEBXx9PxPsqKi0i8QzyUcnc295RJ.sbkAjNgW2di_b8TuC1cCnL2hCF8GxK3IMOYK2R4PXhxbOSZh5DAW0Hq0ut9yJVaHpBwLNiT9Od_I9ozzuJUPm0ivPawWbzco_lUuwR0Pm56BoR69PiiqCOQo6Tq09rFVBy7r96b8v.y.mkF4qu7yoqpQXajNrI872ghFCebzMCHfRx9NLtoWn9vspoAQyXi6lvkR02oD6WzvESXFQuD_EqPdnxa2UhZZSLo5mJLIV9wkKtMh1GTV7DaoW2amLaNaZJ5VDPL7Eh5cGt61b1xRMCWNnukNNZloG.yULaou3UQRnjR9kB5spSiI9v2InRWZa06cQv3e8MfwiOw3ff9TapsUvDunNx8cV2AjQxYolh847Ou0VH96jiZMrd5f7f1XXXf47RJQr6fGjvzbDFzA_zB7V8P3ezWTE544qD11PP72Md92856Ab2Bnd4s2aZZSDfPTJXFTwxrG9eV5Q2aqT.l5BkSSRFBKjzJZocfosBrUkBxu8ZUEaUExS0KbBcsOGOO5jaFNI5dnv1gQS1DxMcPGjNlWpQkAZxvZrOmxJwg_rSdIWpwORi14cK_C9H6Sg3UOjIrRjKFa.MoTpU_EwLAZetQpAlfs1uRd.GbdwIDm5BM40KAE11y9DRBJ6Vv47TfAJ4C4iN66zqFomnGVxYFDuEUsaWe90ncYLmY9ucET3GHSDaUlY0aPNx0UQ4WsTmBhKt03ZEjmZu_sczNtPfzm0o1HTjMgWj8O1TrQB5mlaPEch1uI63qhBkHFCgYeu_N.nnahi64H9V0dfqRoHYbmYpmeIEyLVPerdLtlhzsPw4eH5ArrUn9pPVBfbLsCetGqC6Hk6jlSY7cYGy4Lum2k44LCV.jYDzUKju8XtzKCiwAjKekLWyrcMgTscxktRd5gO_KcHTf9.3o5.hDiTldZ8dYAh.c.4Eca9Pn3FaeS_.wUPUdQn_tt_fOPJlX2x9J3fBlWFN0IqZI68E1ebhlslerMkJ10CwkYWnuZgilC.lfvfqoIyLJ7neJSo0tDtd2Gad6w6V3fAzxvSby6FJT9EQXf.iyjvibpznZlGhtYWdYf2kwnyV4qba52X8P9Y4kuuNxRPi1NshhUXRGKkHLoVqvjmhqy4_Ipj58dmWF5nWDK4IQknWVO2ZKxpsAlvfNpdJOY8Bl_MsqAzWz3yKAE9YKqqf9e8bjeMtgVnNoIC4KegPb.4GxwUpwXfT9c61kCiWyeHnEAeNSfaE26KxYALgtUgdPTuLu5cn5C5_dfCSlIV.J92T8rfDZzLx3iA1Vww9_hiOw7aq.Opws2aFiumj",mdrd: "TibpYRb_tl4X9ym0loPS2zfqgXLya2H.ethEG6LxqPU-1739148954-1.2.1.1-FDDZiq8eBf1w46ImFIbStHLA1ISsGn_FN30dpfv7pRh_hPhO7aM8bAOVNqIyYaEMEeRaoy6Ys9AFchEDmxlYt0E.NjfRrun2cKDyDTJsVJSg7ymuYp.K9d5aNCvOFuDUEO0ocCIhvZWiIurttB07GsS_mIgCy_dnlrW1uA_zX2XuB1VCpb6i1RQWDrVtpRlysubRphvbGABb2eEIl_uWmSh0hZ2Afkk.bWHYw.vQztpOmNewrUKh_tqh.8UN0NlA2fnaUfwwmZk6SEXkkBrYWVx969otKq7SL0dQh2Y7e435P1ToiOINPspp2xQiHJZxRNX3mMt2xoam9_p3u1ZGsAap2Nvf8sgxDDjLlL0GiIaPb865vP8kSYtWVmd.26Ei_LxkjohHsB875LIzo2Rke2nII5UA.Efd3.FJaOmLld_HJOF9xo4l5QBwdUOVOCbRaDiR_5.zEj_eP4VkWVMgh_YJQHRttbTRAPs2Ot2m_CGbLWZ9CbXEwasVljF7flcToMgJ_TBfbcT2.G4ke9sbjuHksas2bxEvKdHpW7FXth8k.y57kV6eVZXi2tqLAGRc_wLKjN4bATaqpuxLsJ_myf_Uz38uR3XqoJrDhgRb5kntJKR.aonjH3YsxtEFPcPwnv3XosztYwExUMDp_JnWwgcdJEo5sGzYuWvDGjF_7A_2TDawpUr_Nw0R7mlP3ZzGRwINxqztKe4TEtJ_TIh4d.DRCT2_SyTuuujpbjM4AZqFvDPD_axMz0ALtdCS0grtmErJ_68htq3V7WNH93eY3W3HJ8s.l45fmdz.gB8mwT6nnBUJ7d7srqBXH3xOHq5deUXP1C0QCwp8a69TtS8nKvy1294exTAH7z4NCiZjLNOCADJIz2MAnnUPYUAXxynpB9TY3mp_5jdlvompXOC20pGhx5Dk1HSZTCF1c611vuaps5affEi1sO_M5Zf9mplk76VoEPveiz3n92jS._KSDOJUaGeWTYQwSEWU3xqEDH3EjakLyC2JngCnzgxL7Xc4qH7ZUdWBCUEhFYALqty7ZMsjNjEalvE9Pit2l4VKdyhbw8zTXWmtPE6L87aW6QvvgK1lKxKf0iqZje..H6X7aTgm.eqHjQLypiOdND384EWgG4wGyat8uXO3RybpxSWsa1vYA7sHcZxXRdrFAwCNTc11TJBtqH.NT26L_pYTHme6dSYDlw1EKmCd6Mo8i5UkotUyIvrS7kFcnm93GTOGMW6Na9zOJ2frB6TueOt2tAcvMvpmHl_.RgFwctI9pp65S07Asnk1gd9lpKzTk3kwH9t1UKdLiV3a3Aih0qTEydlNO_NjWTM1LNMxa55Fj0RyPjuRKsoVXX6.mL1U1vFSB4heyweFOfuHzi3zQ5pe_SJDQKMZz8GAbsWTWwEVwuu5FPvgZf9TJ_XsMz8PINwE3G5d5Vk58IkHi.DjwIytd5dxuspsyI09UzqhUb7Zn.Rrf7.P3eqJG3uBBH0GAYS98QYywNTYPnFtSmdqEVWQZu0_j14bDfCBp.sbGUxLbQEFqvpoKMCXNjqBMMdMmzcdOX4h4MBQnK_s3NikbazIoxgNRF112P1T6bpNxbQGu3qpIru35PLCC77FO9MEI.mPSb0L0reIKskV94jUMKuSBIyf.YoZ2.58vfP4A4cpCjWBqMv4J9XIKCKb.thl5XFE1XOIzj8vIP3oS1f2eDdxdk7yzAhzj5y1VnHoHOfhxrPtdDBynTM5NEVVdGTSHSnMkPDCLVndH5yAF1RJI9Mz_JM71Xc2XrN1D_QWpxlsb.MuG0pFcBXezoWg9eobtKvdFw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f822e8adbd2899';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\/6409251738?__cf_chl_rt_tk=V34y6HDiw92EpmGmyMnTg8p6mUVPKQ38uTqF0b4jiNE-1739148954-1.0.1.1-q0CCZUk1Sy.riqcMHKNpYRpJq_rBdbQ..vsZ5PwPcdI" + 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