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-500997190891.mit-edu.top/post/8705219643

  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-500997190891.mit-edu.top",cType: 'managed',cRay: '90fb244d9aca8215',cH: 'kNBLd2_MnLzEH_TJDHmMbBNnTTKbctvAm0d0HMnaAMg-1739180469-1.2.1.1-T7tGfViSZbIjtyiDXMyFXU.OTj1cFFrbP1ddhOkDrTVp6xTvJ_YqqfCSvQ8XhxBX',cUPMDTk: "\/post\/8705219643?__cf_chl_tk=nm0ppRo1LLBUES.vtVSVpqOQdqkc.etDIop2Tjv3dM8-1739180469-1.0.1.1-LEFG2UiaQ_op3uUnE5SKPeErdSJJXccKvIrdZcLx3CU",cFPWv: 'g',cITimeS: '1739180469',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8705219643?__cf_chl_f_tk=nm0ppRo1LLBUES.vtVSVpqOQdqkc.etDIop2Tjv3dM8-1739180469-1.0.1.1-LEFG2UiaQ_op3uUnE5SKPeErdSJJXccKvIrdZcLx3CU",md: "tsRMGq2endCc1HeCi05VRd9P_sgngHSDBohaMTLpANc-1739180469-1.2.1.1-LLNTHAVkZElKQFjtxXEuF6z4o667o_6DXt._8akS_MCIlFODhx.tOkDnylPzLLwSAkoj3qHE1ft2ekY0wf3TLIBu3BPhhcLPxxJ3fdfCAZgZ5f.jJyyBGJ_Da8JjMlCXvyaNzperAIDCXLhAL3SIR8zueK9WyW5p9jszqOPX.MJyBgvdCa9fNaW0JzHOxPtQffbeb_nR927c633wP6dkZcs1etqExx4NHQ3bCes.H.UBiAcizVT.xPUC6nC_WgDW1YyhZLoruKE5FbRwq_jmsV4yumQH.xOrzNrfzL4tR4jZ7_gRMtwDG03Q2iBGgJyWaoRDtqwKVQI.u.b_TDFp.FAhIiOgV86aNbAT3hfR1tWoQ_YhUrS6yZi2oQAa2YmuJerAiLh90MC5HOonjrrLRpdjja3PDatPO1rhg.QSkL2_bdFu_Fap1NpoSzgUAmMZ8KC832uPgrSY6tUjL1NVoy6mV4HOAVijl2UI7szenPo7XBvfoF3K.VQz7eDV6EVYdUqIIAMTqKRhwGo3DSxWTJUSs1ALTdFTuZW.Q_ni4uKHxVOAIUH66VbprlDFzWQ3BfebF5H5GuvePtLuh3FDIHD6Vu4J0i45Chyy101XH6XPa2VWtJqOFPlCJMhqpNQnJdGu0Vaxkq.hDF5VQMnyeAzgTrHpKgBcRoCTHh9pwjoB_cJaI_gdPanLnEq5k32o7HAVH0mzN1hpeXjIEFJ5WjwWP8RhHuCxnhDifO2WdO4FsBdLn8LagM6Pv6SCfraMXYLfhqFzJ9_74OFBI0vA6rWB0r9DGjTUZ8w3g4YcSz4awqYstHbLWsL4I7E16WnU5F7tA7.nqZAkLGzhqiwzll5ZO9yYI0WjGF8.pnNVWymvYjo2DYFD3YvWozqjtrzbyrq1r0OG82O3p.sxSw6yxbW1Smvii8TXbAZSpLYEGJWjWtOVHJa9rrvUXDQWp_FmHQMx4HrIARqwEQYduot_1_.0sJ1uTgUTZ1.Pm9ytl8Lltx3cqfvrsrbwlRyFVyVCaEbZNvUP3pTN4azlCeDAhBlezdN1XvDPNolcNOhLCc55FRc3yS7L2ISjpTP6TmfDprdPkviN_QWn.0N9mJLisqd6FepaDH0fzCtIgVl2X3AL_KyY4R6ok_DufyCXms3dR1duF7NEiZdmWXYbN4I1cxdUuJ09QATf4rC6YnnKMNkM1NayOuuO6EnpMohBpGpaNYKKdHbTXy4FucLdvfcHIWU9qV284Hc8j3aUQNGcWyK35btHRvss9WPU8nhZhUdJeQuib0h_3EtkbKhiEhpmYK0Qz9bw4pWwgGLSdwdT2vSFgq0oCQHyGaXcxJ5ELz0x6QZoSU5scuCOJifIJOvZpFNwT2XwRxekViKwtW24WWzoo7AfcR7kSF6qBrN6SnM0_mDeC8JVldXz7EnYtHBFzQyTQdAM5yR6EAZC6uUhPxfGNJhPh8o1jmyh.Y63GXT9ip_uV6.hFA4UsR4.YmVovtsJwOCBjSIFRwCQKgycGdiVQgNGqyG2x2aqBox6ZXlGEeJUSqM4ImjBIZiJm4Z1.FrJCgmjbO26TbEB3FPWqsrtaZk78UxexSnSVcCKtfjheEBT.CQV5zMN1_U.BtMNoeHScZ2WYQfx2KKDVLJVFvUujAXMc_teprdFjTpESbkFW5mLiwSkdLscvqqffccQzM3mn0WHVM46A63S1XqME99dZjQtI07jQddgLT.IftAuLZ96L5k6GqR4Kj1_yFslyUvFykayR8oc2C9PynmCG9QF9.lB5fDlBAuuCZPziGrU6r3KY_UGLg1Xews3bBa.zc.RJHu9eDYdG5a39VKBQJjbUkO_TcCePADb3Yp3yLJMw5Y_TyjUMOy73FKAwVxlfYCSVgVZ_SRMhbd_ooUR2UU1X_5OvQfqtDfkUginX.RCjobdJHB7x6ZbXy6DJxqN.nv3fIl7xTkAyoJe5DxdOmvcDyWcp9x9tA.yHcP1atg0h5VyJ7mgaLfAzfP2rz8Qp.ISDewLi6F5KmnONwvIHXUgmWLdH7cKWZxMgzyWfMoWGn6uT29Y1gcjgSRHHXwtkZOltUflefrMBG0X2RIt3jujM6dCjnSAVyPwbkMfZrzRVhJxgZdxj1C8okK1KPMAPSY20_wdBTGbQpYE8vyMsuNuoFy7bf3pKZXe2Q96tGyUue6QjJ.T6C3PqJc33olf2.NAtsQhOB0LHUkWUyW0ItC7lw.1mH.VGoLJ7aBv1woV",mdrd: "Cz3KO.Bzo44NTs5Mr8Nf0PrQUehKwqAYw3X.8zXclb0-1739180469-1.2.1.1-2.99RG2_O_x8na4J_uqvzWHzy5YzNgXtFiGbeWFZXxiZfTnvna_vF6v195B5APmprHQoqTa_D.hVMb5x3qZRjuUU4pYrLYBYIUiYr50ExJ2DFp6w0dBnLhJ5P6ELoCNx6MrDifTmG.ZGXcNz6KjQDYqmg7efsUaSjyADpfp0q1Sh6EEvFzKSb7H1YmKcQ9UaBymFm0KtWcQRjgZPiz6eWnNUoRZkLkrbGUJAfna0sYNsJUzPhhr7MrKO5nvrgakW_llrv4VvZ9IaX6d12Vrbs0VJSBQ5s8MZNS7BCEmOTIHZr0h3_2ZYW_fSPagtZo_MFos_GNazfBY_GcWAOzKqbanjSwTY94XIDGi0VM6GqxGaMR7xMAeptrVgTqLafIPMFyCmsmaiPKA25XZb2xe4bKTBa6R4AeE2Ykhkyk6jjjR9iC.LEAG5KkIMEEC8PjxNe7XrXDvirGkXlBbooJ.oH4Xf6fw1fPGQ61TX2YZdT07hMxycisro4MSKFP8CMEcQeH7cZwEtgH0My60OYqDmbpnJuc9LnCBUm6dnR2AMAqh6ZsCpn4mHBvYaFzEvJ.daQzrZ7dD8x.MNSoTFVClTUu8RjcCAlxHKsQozSHG2ULU6fUgWA8jleXr9u_doTvcTOR3FQ1mQK47SWsu4khH9KiCmC7Bq7ok50e4m87zvFvWw.vIxWb3ldAxolh1sxwh7UUHrFn1pSa2F94zbq.FBFEk.QUsOL9GfmWlVUhZiCF37bQenhlnHKEZhW.QyM6mzwIb8.fAljgz1ZDPDaq41949Igr6.klwKu4a19haca8IP1OQxtMeWLt0WaFqL2RIBRoJLZk6yUGY8bKrfBKGebwf0qQCXO33o8guRd38ggTkN.43boIKeX.hj9p3zdTlC93lQ7X3D_szC4qMDqqge8TRy9M7EU7PTmCg9NQfn81QzisXAoDevOok8C1RpfM2lqLlpTlnqDwQlzdDDD7ZWqjBPGjJjcqueZD30oKdCsw3ic_tab1EHS1J5DColAGm6Jd.SRPndqqm7zeDMnqX0i8RCLCmVWVvVAvSsMXALWqgchlkumO11ZYf.EP3qWadLFm5xhixAmxVrkjypDvUugpD8uDinYZZBbTPk_kyqXicdQvfP2eHPBXlGWazZYdWF_rQR1j9bqDfAIUW0cCTsD9dCkZnc5FWCB1KkL27joOxTHxR4aE3axst8oEN3_A.AfyRArhWJtyJQTGDpEfF1pxMs..uWT1LmagXXPPhvQUr2m192CDBgpr3VwYqCxr9.DPU1Uft85S4Hr5xGXw1ut5DeisMh6kXtWrz9zip4.Mp5pbQW36k._j4xuTmJdrFuK3ICKcynOqA6VeoqQpnnekTJMqEQLd2hsR60qjdS1lBflPvv8DhRwamiW5M0EpXZI.EiMCdXi4EO97oOST_IkrdlnR7pU3SXr_Bgt.9nuBzXFPwRz08jgJsyoHEEYIzQ.lzi6fFjWO2MsSv7sMD1AF1lxYYjHWRIOzyzCG3w3P7uMGRGTriXhmBrmya2NfwmEug3FWa0TvEO05JYusAsaqmKpz3WxIi.2pORrxz86GvarFWdS4AxGCIR.HUljg_EQ.YA1RDwrHT_KykVSKgGF68Q6z0BSvjcPb.W4x1ysNdP3fF0ye7BwrKg2dwutCwS94Yc0amXOau7_4dwelDHBJVwmops2Ev_GzdLqpEwzZjJ0g2Ds3cAJXMhoigwwmZXxYa8SVY219xWwM2wWak5XIMu2b9nx70FbxJqgvqDICRH705y.bb1JlLDDKii2SSButsY9KfGncCZ1l6W0bwjERLfXCKUDGwbhPCnkPUgrv4"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fb244d9aca8215';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\/8705219643?__cf_chl_rt_tk=nm0ppRo1LLBUES.vtVSVpqOQdqkc.etDIop2Tjv3dM8-1739180469-1.0.1.1-LEFG2UiaQ_op3uUnE5SKPeErdSJJXccKvIrdZcLx3CU" + 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