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-921871229420.mit-edu.top/post/9524681703

  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;padding-left:1.5rem;max-width:60rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{line-height:2.25rem;font-size:1.5rem;font-weight:500}@media (width <= 720px){.h2{line-height:1.5rem;font-size:1.25rem}}#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-921871229420.mit-edu.top',cType: 'managed',cRay: '966b0ed8be9b39b8',cH: 'UbhjxwuquX2dLo9FDgtP8xCN0qvRTbBPkDNBaMIOS28-1753775768-1.2.1.1-Xqe8EF1aqO5X8msltfRfhGxqiAaALky2HpM8d8wmuhRUJXXlRywbnEGyoTYW_wJI',cUPMDTk:"\/post\/9524681703?__cf_chl_tk=ZkJl4Jl0VwLhhIMsXyA9HFIIaZu6mXB2gVzXTJksh0E-1753775768-1.0.1.1-BDAAs2pZcquc6EYhR5Rc_pLcNWq5HKPhYwlf1CxiIQE",cFPWv: 'b',cITimeS: '1753775768',cTplC:0,cTplV:5,cTplB: 'cf',fa:"\/post\/9524681703?__cf_chl_f_tk=ZkJl4Jl0VwLhhIMsXyA9HFIIaZu6mXB2gVzXTJksh0E-1753775768-1.0.1.1-BDAAs2pZcquc6EYhR5Rc_pLcNWq5HKPhYwlf1CxiIQE",md: 'zqIiRlj_DbY4Hmf91SpG8hkl99Nu._O7Wrt8A81sPT8-1753775768-1.2.1.1-c4HuRv9QFL412I4EGJE3tg.LmeSQkgFiS2cVhjxSMNy2avEePfI8AdrOXZ1eCeJ8Z8K0tkiPCAES9gpblS7HJHT41RIb8MYXjJohAPR_EyJ8ICTM1C2tIzmG4huXrOP2ZrMwCZOwUAZIENgmesRxnHcLvMlOD4qhih.QkpRxvcWVXPZ3vBVisVpfBEb7ZK0YGhIWW3yhTKBlrDsYMnsvrfIohkwNoSc.5geVggwT9ciooNmTXXrVAugA0EvDdq8OOmMDkpsi0NKH8xu8yomecw27Y4ZX0ZoE47q76MathvEfgYHH1kLn6KmbxuZ9IbZiHmKzK44J4xXdV1mO1uQ_4MQNpQ_BmUHKNlxXrb_gG2tDh.UorS.eJfXg_bIPd0A1tYhGdsZf3pSmfkXv2RzSwbtPi7ml2hPavcAGqiTHaV_Cx0agx8cncZJp4kfPfGIwSog_VziLO3o_2B7xIYjMWS3FoY5KckDcc4IOlkpkX24uiKI60OQRJ27Xm093RspQPhwt45EM5UhrfeKldGjqmSl7Fpm8o4wi8aJwhWTC9MfdZNOhQyT6ptLU76i7Y3vR4RHJaSOEPY3tHP8uDEGEHgbcKIECXRxP18qLNIGVnaZ71N6POJ3HLd6ETKNkzmh9R0k50yaptcgzBjOrPPp_Ez2ucswxCIpTAEbjMb.RWRx2FQ2BDO456O3eiBcK1KjLFDyp0MOvm5YpsdcvNhLUWVk4Y7NtQ9vreqazdLdhstSbIEMmhlO97CzI5HDLZthxNXf9j5Ai82LTgMUGQUAC2Xle.BgZNvrm8gU3VwAfDisApvtqFKWsCywyHeQueEh2ABgTDJt1q7EBJkhA56N.CQ',mdrd: '8BS14Q54.5bAqkLX_Ck62Pk1eENaLB7_QG6cgKtt8Fc-1753775768-1.2.1.1-B2CYWWmM8rY5YJC0DvJanbsyWBDmt2lJx4rVbuTBpJLmqflMliSAipl0oNdFoyLnm5eS34eWmSHsyFsgZ2RhopdvsPTyEqmuUECuFdGwY6u_5zNl8I.WPb8k19XDIQ3yK3ENvbLZlftpePJn1HriLUQFkC.5sQCyVTSMFBnUVzq5BxzXeOWAQSYtE4CiOIOWrbGcOyhFE8gMuwLAhiY3wYFmkv3TTcdCqlud5RURZ0GSQhYHhHOCGsYWQkj_bduhmtYf3OBTZryar3bWqDQKOkBRxvazbhelLvUZ7hSiCWh38lD8szbRrjcJaAc_UdbZqE6wV570Fp.Qf1JtFnvHIKBeuz9EmaqQv_FxrBPr39jH5DNurA_48YdAiN6DGAO928XDI4Mc9mWa2wkcogwmRoGPmuSlDviLQlt8qBFTXJlZ3E6bvwrnj00emeYgrh1MhBPyeJjhAKhbMJoLbvkKjojDZdjGVI_lRtJlNAZuE7VYMChrYpUYbdA65Aab5VbU7U6gjO8Om1qvFqAp2pW9xucgmhzM3gqBOblszl.gFeIteycZEcyWhzW_.3uKh9Xxgc8SY3BrpzS8HOAt_FNrJYH.GVzgBNKk29T4it3YmNtpXHiCOqL8NKY8UvbumrBoz6ccbiCDp0vAhQ6W1T.KQ2m.CtpbyHyg2puRXgZRpgNVOvAE_18PWNuwKWl2hQGOXfR7iI1u13ptNzmyiQw.yXV237B.lYMCp9zuiGvBsa.5uAApVke.sxy3d.nfPz1x1JLl_9ijA4jOUsJHmr8x0SOtAz21D.Qje39i3jhSWHSIcJ9rSt.teStUhjitUJ.SDrnvzHzSHOpYecxlhnLmTfdmqwe6rZFOYk0A4Etrx5jMvyLyN2rGHu.TTptR4AuQVUKOmg1vSYVtN7NR11Ntfrrv.DRO8kjnFBfzMvOg1EnvqedcCMZmQIyyVco_LLF70tohStTeBnBbgA8illq68H_MrK7e_PPKmtLoDWMpUPsOp0CUEdJTUzopFSMamvHOKTUewA2ARgFp_qA4dUr9FhnIjs_PIzouVyrtjSh8mk8P5VkM.3tnPRVyPLtTb87C.XOzcWKzl8Qn61UDH5.VI4iYqD8O3wNBKvA1MxqffFHNJLCE1nL5AEIT4fuW5Srmd7O4S6I3geaLohGwZTj6FV8VQvgBHs8aZCvu1Dxm8721HS8NdGM_DK6KvLtLY5od.JftcInEkMXuN0K0IpBEtgUnU2d_G5AE.LkGaCCySBNAs4._eSFOboOesXodEbPySKm1i.0Qebz.GMQT10VJxuWr9mZJ2UVdQx871pjh5OKO_BUHKpwXBge0szXFCNFN7Sry3cAE75YhcEzy3ythINK0v8WVtN9tFJoAaZr6C7CiBl89ZDK9hv3NeiwXB6j1IKJNE9IZOWn18zr3tdMHVD9ETagwmYi8Srz9hPKA.Y579mEuHWQLXHiplmpUcmAmrN_lbT7.ruiN36dqLu_9uUUCanIlshGzTOKmrVO5Z_Gf5CO0tJ4xz1DysoJ5KXxP9sRjVROo_FAo5MwdglpG3fum1n2Oqwq9n5dBK6H8mA7dIYHrEwDj_HsfdzNkdTcfKjD1lEW20rCdOhiGwQ7hSu9pUbvAPVqCMA4mjNALOHCHfl3Lhaazdy3lO.Duy8bXkY8SY9cOguHismsPSdwadWrgeMax6kxsYeKJoncDOlvg8hBlm_Ns5AuuTiOr5yC_t2pSAbkxQVttS0aBokTqsyN0wp32mLXBYXk_bCMOsfoGXsPJKuf_n3TmkWQhcjnWTgYZ5OM9uJqUqjj_pp6n5kjWw3PP5ptwpdGVcdzf.sx.qrVrSKb1aLUCp8EMQWTcq1BlRkk6.ZpjufZVLLTx2g',};var a = document.createElement('script');a.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=966b0ed8be9b39b8';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\/9524681703?__cf_chl_rt_tk=ZkJl4Jl0VwLhhIMsXyA9HFIIaZu6mXB2gVzXTJksh0E-1753775768-1.0.1.1-BDAAs2pZcquc6EYhR5Rc_pLcNWq5HKPhYwlf1CxiIQE"+ window._cf_chl_opt.cOgUHash);a.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(a);}());</script></body></html>
Copyright © 2002-9 Sam Ruby, Mark Pilgrim, Joseph Walton, and Phil Ringnalda