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-aff93znvo.mit-edu.top/post/6890715324

  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-aff93znvo.mit-edu.top",cType: 'managed',cRay: '9110488b8ed78062',cH: '8_jLybhNjisfUwGZ2Pa2EMYONk3SjQN.c8XylsC0CQM-1739402154-1.2.1.1-mib4G.LM9k62AiZ1TeFIItHGv0.Ma5lXdoBv3Mn.GSsiMMfTHkQ3RYS8q__9bMaX',cUPMDTk: "\/post\/6890715324?__cf_chl_tk=rzGOj1_m5Ci8942.1JXqn8uxwIJtciaQb1Dt_e.ADI8-1739402154-1.0.1.1-PaiV5xp_5H21HLQCiVLIByxxGkHs4WzzfDWKUbEOC1A",cFPWv: 'b',cITimeS: '1739402154',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6890715324?__cf_chl_f_tk=rzGOj1_m5Ci8942.1JXqn8uxwIJtciaQb1Dt_e.ADI8-1739402154-1.0.1.1-PaiV5xp_5H21HLQCiVLIByxxGkHs4WzzfDWKUbEOC1A",md: "iySC72PNxoXYV5U14zLCfKPhsNyi.CeVI8adrcwLYBY-1739402154-1.2.1.1-JWEOjB3wYp9MVh4q5gfZxZHR6Ho5kz.1X7yWOkmNKU1Q_u8uoXeHJYAuU7FqdNFLd0iwvYJI.t3yNQ3kEMpwuHda14BfM8IJx_XVO25mMmqbYdraUfKYmMgGSvFhtdUE8g7U179tHwt830XMvodkGstSE.q_RLn4muxlGnRbk65s5x1E2c3MXaTMvZNSMbBZHYtSMPwDrfg6_td2LyLhYQ9nfUoq.mqLcGsww3YYhjbVtLceHRbDcinW3dj.lI.5fOKPflu7jMQpJ2rlQ.LalOJFIndXRVOZ3RK.7jy2dRfUqyNO7WG9gCnhCp9LjU98NVdnTkfywjCdhtFiWYcH3P6qMQlCPgzWkYnYrrbEqfOO4spK_RnCxlZZHm6weOleVl5xx56EVTvgGljLOT.PzQkW.gvYAPaEfWqxd9FF0w9_y3aA8ghK3xvCO5rMVgBF0dUEFtCxSTg9BpWYVnyTSQq9fpjNwcP3cOfVPHVgPC7oFfi1_e1X05Jv8e4IVPopo30mFRP2xWVUPnY2bSHis9KPDXfv5ujp9xKmlJQhEApT69EX0FvenwVHvMRcnxVflQ41eV8Gzkma.oKa5UeA2ArKY.WcEmOXaJ5ESn3LgR4FsHPoDxxGybpzeaXche1yh5mgy1cAt2YfNvKFS2mlQbe86Q_s1iUr1abjTIE2tO8vVVY_upKZXfIedPZP2VjdDGm9jB2KomJNjNK99SCw3ybecd.OgcuOT0nDpGc1OkQV1u9IoNbHbH.Nh7UE5yix63yEGSmDsHHqG.GxA5qecbCx.MX1Zm6GFZTlh60KkV9nEZ.p8h.oHnFyXpQ4mXaR_NS0VeJDNasqZ6f9wKOyG3KiKtwZv9jvvMkYgmawIGqzyU.9712wgmnNYbtF3K0YPGLFvFQbQykXqQNhbz18ha6XtCBXjIJr2NnEs_lRW_bGxUJ69gNTFNoyqK9AnBw1gPaJhsdo5A5.4sIzn4DuoDTEIUZWklVQzPgUsat3i0X9jI462bqRUZofib._.aI_6x3vUg9eLca0600ZRwgqrP90G.nY4CWcdtemmKhEAORFOxBgVH14kRB0UYj3Nai6NTnzWF0PghL4gM2uZpVN864.pFcf57EW21_AC3Pwn_FX6BtN4ePGxv1Gx96BR3L10abBOBogsgSwN96_6hgqAM.fzw4KlTyZR9IA65TFIM7IWwYUw7SF24YgGegTRwSHdFj.KGfWUz9ew75JGkoA_fRw2UZov_ReLi3iVfR8bb.Ls6x6qIVlFFynZkTPrYKCYUxniMq8qiM1B5y6I66NIIqUuD9ve0LA.7kj7MKmxlfBVVdr9i3orYhrV11eimngwNpcmuSY.wpDtu1w1kaTZCQ9YZhcTGLVriUc6js6GujoB00HT8aFu3FVhcVG8c6bxR0W9XAF4VLtqMo.0u.oGTUiutjM1ru8YCsXCL8XnMhoPDbD4lS4Jr2cWybLIDcXtoF9GlfIwPdMl5wqazSuaoipO7oZjnwFH0V3qxz4hLAt1zaYiZldmEtJcCs9sOWI9zepx131SYIg0liSVIqVYtRC9n2O3Avcn5bmdAiMXxHFXeHJhqfRNGmNig1Yg4OCgc.kv461uilZBNBAm5OBIFIp0oI5MGUoypWpKjEbJoE8OF03VMK5Oim._R4IgSalK.uZjEWy1TFt2iyeqMepCbmh02m_R8wwuWykxgP7KxcumTmGxBKhGlkRem0IE5LqjvlEqZr9ar7iIfWy_VciuqVFJaIjeE_qWPlACBpdUA81sxnlA.VtH7_nDz9THxKTEb9_Z5n5pa0zPC428ITtSzs668AuS6Ei6yc2bAprV7vof.E.id9Us90Fl5EZ4wAzTsNmrJmtx_JgwXxkKnf88I9bJ0UuwVRIH9OpiHq4S3MXrJTLBC0H6D9RXAqFoae9KHrXNWUMzsaxyu94cKXrnRPEHHnYS_W9GqHq94.VAFKvhasohPJDijiVpVNVrUUutTdSZEtofPPfnaC7tiXAIKsROwPrCxh3bMFiXtS.MB8nbHxWL0SkMSAZM2qnxXg0_w6G5PCRJm19j9JtjTwyCU8dmGeEGQkRegX3.VrDihwAU1ooqtu76PA3eUGsEthSsl.2ZuLP_obAFrgawWwjVsF_05REDLOexCmlYqlrevwYpM20Bwo6MLBuM_WjO19ijjxI6foptHwmkFi6lod3IwesZvn0vebmxrXmTzitn15ZMtNq5IQOtLE9.P_ZQOM9",mdrd: "UU66FthKyV2CWrqd5vUH5ojzFaXFMxtqCOoQ3kOL2xo-1739402154-1.2.1.1-UO42Nshoc6A4kQ2lclCTNddbMtEzDqwXL_RRRvLpIKs0LtGmgeYwkKOHieAc4bDQd_JOTjsYk3KcFmIdi1z_1g.aE44j4lrVGgKiN9ALuV.bHM1hc3SLSWbpXAUd19bS_J5x1C94TuFT1Dv3VAAcZ4l_WzSY1BFUieT9rXG29slaXiKi5kmlTuwIM_AhPuP8F3WM49SbovFK1lMVtFredyX764_FowKIDa0KuE60yQZAxWTIdkejadYxY4n.6gkmvQK6fTHmfP.PHX69h_JqOPclacOEf66b30Qc7J_Hrbv_sbtt5xCq216o2YUNG3wNRJ9kSAKiVmHvd5Q0VP9OXvsI2pHNl9Af64UkxoBRIoX.aiG8y2GHDvZM6hw0HWS1zqK_2ZwBwvct_aBDaZ5dhWEVuhrNjROaGjEU94vBBbUGgjglL3Tgo3.FUW1BYd6i1NM5a_BBkSl.JZ4ExJYBCSXwlw_5bay.dkgFEzwEFYelKWHUCEJ5QDXCeAlzzSg_W0ELwGI_BK18ZDedSPXreNRB9zqkyeYLdrmHMhucjvdVvQ_Mxpkzx2FPVsAYP49hNWj7hcD8Z1dwRfmrN4AwY6tm8QcqilBox6jiQQSek0LEa9BBET6uBGKBpjpgLFqWCT80D4V6AKdYXNWurboAj4wPY8oh9XUbeVQR2MTfAC6EGZFIJdbY8scYiDKhn145B8auOyUfKcHT_thpSvgL9ji4O_ulmA4ca6y3cgdOhwubt8b9y6YKp93BSZSc.dh54ZXKBi27eXdQY_mu0RTWD0gVNtSnSa5S5eSVI20bYW3P2mlzJn_BY2OvjGR23ovcsKLtxn_PU122rm1naJegIBQ43He2WGHaQmthMTKMhc5U3t44xFFE_xhWW6MiBaP62PI089JY_ORun2zUG0cB5GqiN1yR_xLiFBnYfgclzFHf1frZvu2_EVKIaadq5DvXMjhz8j_VjS4Saih5FNQvT0j0H4QsVqzQYfXCzBLBOjAfM.svcx2gYGiPZWHRU0piOuUA9OfNMtmRCK8Ofyjbaa9dyV96KmcUch1Xa0m77HEOGD8efLfQnVPRUDXzfeQHQhU24L1kcO0i1KI1Vg2x_mUayJaCQ.nrgdWo428n2DW8UDKK1gwARqZJPqwMJ71uPOYbxZHvD5bHdX.i.lJZfuaRX13VM.IejxNZ_z1ddR6A1hYX5mgrllO8EEWXG8fIOwdxvEVmThV0NhAOmwLD71PbjRvhEJQAvokFrJrRCCRuJ5dVfiY4qgk.9I2qSlYxxcHHiT2yzqg2b6c57A1XZBrABu6i6gflEM7rq_IUzOWDFXlPOO_tLIYzlU5sbdNpLs7a3evQ6dwRg3HtyR3ceTv.8aipAe0HaBb8GwvsvT4BXaoO7.zc350F860PKFoVx2L1Nc9WvpjLBkGGZjT5i3FLn7dfQSUDb8mxfyiWshPpo6Wk5AEbNn3Y0TO4hUN4h6rA6j36WPoaWzJdfppB7tJumm0NUGVJ02RjFDVQAoj7d42zrcI7VzJS3iuhaTxkhX_m7ncS33pSpCYZ7bRkTaX6qvlzR53PFVht4HoGUzZBTf3dh1TXv83sWFbRGQ8vs3w49MaiaYUy9SBWn7pNzfDzrMWZiqEdys0ljCtINWPNeygIwGdFXVIQXy9stPlUjcTfeycYrNF8Ga1byrnJyMiBJ_BiCp_SzHZwA3VFBy4tpE9glv5D1ruH2geJxLei8zn1hEgHa1v8IQ.4T3S1PUUhjrjmGcSBQFAC5RuPzxvQgv7Ky5h77DYtE6GBNPAIn0hxszG2OkqvjTBb.8p7jw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110488b8ed78062';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\/6890715324?__cf_chl_rt_tk=rzGOj1_m5Ci8942.1JXqn8uxwIJtciaQb1Dt_e.ADI8-1739402154-1.0.1.1-PaiV5xp_5H21HLQCiVLIByxxGkHs4WzzfDWKUbEOC1A" + 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