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-430177434377.mit-edu.top/post/0643721859

  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-430177434377.mit-edu.top",cType: 'managed',cRay: '90f37322aba00838',cH: '_Ck3p5I4OmieIZJ40W375XcZ6jZeLbmZmiw2jqjHPc4-1739099812-1.2.1.1-7LhBzSFc2Wq0rJ8jd8suHg_mi9wkKWmWAZaGBVdU0BnNth.pCdbyedZRWAnfTYPz',cUPMDTk: "\/post\/0643721859?__cf_chl_tk=FXNmJg7dryORIqMGrSuSVG4TjfYtRH9ulzmF.NQ_F4M-1739099812-1.0.1.1-LTqX5.1OOYgdPigu4foQI1OAYsn6537K8rbu_Pw04H4",cFPWv: 'g',cITimeS: '1739099812',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0643721859?__cf_chl_f_tk=FXNmJg7dryORIqMGrSuSVG4TjfYtRH9ulzmF.NQ_F4M-1739099812-1.0.1.1-LTqX5.1OOYgdPigu4foQI1OAYsn6537K8rbu_Pw04H4",md: "vtkzAcP0ThZKUWiDdbQ0Ds6dPrhti3afit7t4kNJs_4-1739099812-1.2.1.1-gWiKFCnWnrghJcAMs6S6rUgVnSuhOW6pbyQvQSHXPSrhVoeMLdEsqVZaCGG0m8qNJIoiSRdG5bF2PGNzZqWxNu9p1yhCYIAyrn5jG3cLnbcys600nW_fJ9S0QM4X9kgkEiwfZ8qjSkCIbSv4LxOY2rf89uE00btYhSBB77CLtA.TTcl7vrqi6609IKVyXsSGuZ4BJ4ReI8h5Cm4jAD6NgGhEatrw6uOUZyq1oFemuu7UUwnecSzdTww9.9RubAN_VHNvvzTMnLbYIolIOdhftjVXIqkODGviRdw3Gtf7ZmpDclF40hVbePlFz5WyPwJnu3vsv8R0vBYpahTFlKO0sM2Xl7kk46hm9dVNdUPfAHQm7XVaPLIE3sJdR51fNyNylVZ7jIvzVGC28OJtG9XM.qlZ9tj4C7f3NRsVE4C01ZXA_bTirBZHHplpvtqqN4dYp8RFl.050hmM13pzdvtTnUxTqJtue9gg6g_7Q1IksGxIkGOHma2KCOp8a7WwvNZQBkXSVkB0dhZLdlyQMMuMgaqVPRAJ.sD46Ot76DAQHDlNFabM8A8i3wJQCB9leXDdbZM_sq7PNPkKICHdLEK1ZEeQoiAGKS7H6r4sKtH9.PUBEu6nOcmPFhoXVRbzAQgRkw5FECOCoKtT8fBVMvLcCgBN4hjHKj8ytdvgK3wDqUJNi_vbH5wvLjzs5PCCRnkobVFEldqKIcyGDABe21720VGshPVYwkZxdZdVgGRufDzOpquU0UHetZWH2zL6e4WPKCVfG0u18kZZbM8TrSi3H2e7vrEMqbyf.J0XJedMBhsvwgI.DSRagwMkY6qmsBIXEXkvFBbb4f.mUmG5hAnmZU3WZOAEChJ2wFP7jjs7Q2OLNOietzZDK3vE7emxhA2s2JkD84zABYCV9_ORn_g3RuPMrlsOY07vDuhVPC9geQGkmYxgaKHqF5BANi8SCScQoGGHlm70.d6.c2vrh7i714AnXypTuQgORtsqN0RZml6t1KmVY4hSZRsMXU1LfqryaC5AeL4bC3Wp._h2qBR.S0d8UKiD3U3cN.16ru7Ab3v4UgAvy9QxZ_qBtDSDQFsv72C2Ma7RtZCQmBrRlGX.Tni48eTeQbWyis68UkDNTqUsQWgPRRXnyKFyiLERvCAp03hfG0pfqVYL93eYNxRbgQf2dkyvLEAx1PjyqkJ21bPDVNunMZxFukj.BbUFfffaSwc4Q9gVaHkqoDa0V8QO8oXPTmnGq11lFDDpy0VkHpHTTaDgEj14yl4IXM.rH_vn._S70REcJKrnc_Cdc20ON7ky4E.jODd9wX3XusJXqOjQP0NitAQRhapUthkHIKecWKcjRPH8pq3nAFCQuWDR6pYZHkNt56sFWJMqaXvgyvM.1rY.sEmW7TijMU94hDpQ_t9Z2EvH8togXAT_0Oskyb0pH3bsZVxe9fsaKPswES_ew5DqpFC8CIMarVHuGLn7vlXYPY_PBGoptvpBqmUVrPAWNvnJI56.6.QWjAG9wWEwou.sp5o5vkQYw5HLhxEONapjMSDe7Fu5cHv0NGdmjSw0RB1mYDRYeCV8nFBJYVCw.mz5pmjgpRpbDp5VE_GyyS8fs3CnxUmVvfJ4zJoLyOyDAuflj7FPvjpi1Vjk2KmA0OhvvJPtJ6IEyKlVwwslBCKp1Dedm5XGdG7kBGNS6_obrgWu4hXxzLr5lEVKg2Q258e1Vin3r_fGOpIsDMjDPi5imWNZrwi46j8B1bYHMABadVdkg007y26NLCDYNFHRE58SKiIp9UE.MFGbhvvTjBhJ_Aiun3qZj5p8DtBKUBpzRQc90MtLJzlp1atSLeSc2_ZB.Fpx9sC35rhN0VzPlBGchpywsoPXHqYLEPDY.OpIMbwyMo6knSARVGfuDZdMfFj9E3J_WHUCWa8S8vpP_Dx4hcj4yrOEGnSnmRQFt2PDKMsbp2O.mChXOzaug8TDXtgz49nKONhHWWIar551jntPkK1N23GJh7jszDPzwusp.VjbmjjSsbFPDABBwTN6ZnIxVMIo6i0Kw_LY6pIFX3aKJ6i6t_5nvCsZOPDQJEXatLBl1TUaZ.Xm0UvlNXkDgg3kV4dFsENqY4Hd5gq2U5F6MzmuFMhDXPsZNE_Bp0XpAV72Ir8.oFqhf0YwRUdMYT0Bzb.EQcreJi1QnMZWO9flEmUWCWDkpg6OpbY4w__Q1f80MTwxaUINJxgmhli2c334fxckg5JBCDkxF2gO",mdrd: "BCkN1bAJGFoLNn_noU0WXWzZmly_l7uEk5YY2vmHB5U-1739099812-1.2.1.1-SN_5rXc5c9OrKFczT2F7o0haEzdZ0.BVaxSrWIxSAfE4qyH.tov3cVX5vLEs24N9ZLMhDP4KegUmhooiyDvG4o8sfiQj4bDcdmsKZYQgD.nslfTdF65VWlIuWMbvR1j4mWBqPcL6gzjaNVTm_ftxDjFfwViTCNbf7HTqL0IfUsJD5su8OKRXgHVcQdb0IvCbEbk8Xv0SKTFVZth_lWe5vEsKbqiPy382LmXE6qwfa2APFmcJzLm62UyhOsqDkIoF13mMm0WwhXwPFFNEvuq2AvIZU.1rZEcIMaD944vIDSHcv9mS7kzZ3D2tgORY7_TpTAAuaUCNR7G0.0TgGNFRlc3LTD6ys.rHXIrycQ2fRwDiLossuj0NsDUFcGK3DXHOYrXdALG7ANVVyQC78ZseqPIEW7slgLuxlOawaJyjACiAlJNdj_QR4xIOcnopSlypBLwbwryjcHeDhe8zk.05gFYW1WGtfGoJxMDbijclox2s5aD1IlGf.4r62PF4tK3uz5stJed8yANOXlvJWFTuiZa9l8q7t0RhTglKhnSW5H2NbklXy6YLSwvEe.lYg59baZ7NM8qm_YOYPrrHME_EZS9WMxPAd6R0vXIBVTBO4TXEUCITHdkejiFIHRh_V4s_VHgC3C65gBixlm7hwZik5Vs.ZTdKnNBBj5mXB_Nt_r4LdCbbN4n6eiIVGLDoOZWRi9Y5ftwh4j3UA8kKbDF5o0cQUO9LUf40TEpx3VrAj_.xTzjgazL1YcF1ptVoVgLesEMrRoU_56iroOfTnXd4Oyywk1VLVJhE1by6zKsFatzx0Y5EK7_OfUhv2lwrUz5fhojFCmO.9FHfiqUtsPKeIKkhsUp_QVgBQs_2xcsdrFbsXSHsjGeGaie_0FLSuKUPLPlNNcATz1pHdXbRbFgsaXYH8wKsA7jYD7YiSSuEJFDZDK35UFhgQqRDIPLZgIrjwBv6_guKKzJmVJQLMu7r3PGSrMTT6DGVl_DpDMMfpQ0b39.ROOajAwDl2HfwUeK1kO3J9ACbX_zwtjniTdlN44_kb_biDkQvdbeYtg9AWyVjlmDnhd7iHxthl3VE_82E2mKvENP5rw4YyV__P4XW88Eu2lNisEyBe9X7Bt1TtL5QrF5wwNtB.T7VTKgstTXoR_aaUlY77LgD82mFzL_KimJMlZR9uvbTY6kmg2w9MwZKkZp.cctB8r9rQoHJjR_t4vTvCdf8bXzDti2yPJxnXAngZ5JkHzthBUNZPn9VwThrcKfd4p.1ky3lLFHFbjl8qDzjhkQ9r69nIERhh0PLWgz_VneTnAVL0cDeKc9LsVPhBRDctRHoZRroKPWbSJ._ZZfNIGcvqiR5BINJLUDilLOSUaRYNms3IYTOr9QLisebJ9PWQW9tKJWjlto90qxWLSO0XDYGXw_o7Inegi8z_ptJEq2gDGFtKwoMEgQRWAD2rQ4iEtQ6E8_o490nqcnmsA8i0rxORahliI4cn3mV6oPRpn5qZIf1Dve1bwW_Av8rZrS9550DD9DCddZCx7YBm1.8Jjvo1SAhmcNvVZTtqHqyO65cXo7SDrkrzLEVa.MeSVWT1NpTea6HI92s_95msh5wdLc4crT9V6lPaEJ8huWsqg0CR7NOzEHI1hyDL5vpqc3iJbW.UkQKAcNPY1Qn8nZ27XDrBrO.DOWBGKjKw4c1kcrcBMelPfYlrxWx_clyMm0YXBeNMs18TmYXJA6pJ.tQRl304pU.bu8dxWeW1lAYCqzKKFajaHZYYufaGHBXTu_sY2am71gLTbGWpzwSwNd2g03OzFbGt1sHd9BNNdK77ta9Ze.WXY_w5O_Xk9A"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f37322aba00838';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\/0643721859?__cf_chl_rt_tk=FXNmJg7dryORIqMGrSuSVG4TjfYtRH9ulzmF.NQ_F4M-1739099812-1.0.1.1-LTqX5.1OOYgdPigu4foQI1OAYsn6537K8rbu_Pw04H4" + 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