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-421838580613.mit-edu.top/post/6034571298

  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-421838580613.mit-edu.top",cType: 'managed',cRay: '90fcfc5c796d05d0',cH: 'iUE5yL92j_CenK.u.xDPRTbG4BiN0xe6rD0eI.zlR5M-1739199804-1.2.1.1-z2b3TYr37euWv0gWAVuXDCCiV_sfxkIPcepdmrYhwNDfncvKmlp26ULfypUZQ1y7',cUPMDTk: "\/post\/6034571298?__cf_chl_tk=_J2t8juSU15_dcGptX5cQ3NmMc6Yw5_27bDchOdp1aA-1739199804-1.0.1.1-mr2HrTA3lfinCq7jVhCLPjm.9Re5B9GL7l8H3JAAmQA",cFPWv: 'g',cITimeS: '1739199804',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6034571298?__cf_chl_f_tk=_J2t8juSU15_dcGptX5cQ3NmMc6Yw5_27bDchOdp1aA-1739199804-1.0.1.1-mr2HrTA3lfinCq7jVhCLPjm.9Re5B9GL7l8H3JAAmQA",md: "YA.WyBQya2II2uGR8_sd_x8bW6tDbOkiOcQ1tkOJvMw-1739199804-1.2.1.1-O6MdPfqvg4olGXq4iMy1lI0UHMObjEyasHv.usxSaxM4xR0H_6nMZ0u9s7Z6lRPPNxGXhC.ykOO_2yIrvwdH9fs5txbrXiJ5Wwf_s3DD7XWovDyw9BQRRDlKlxmEUWTrsq9SWMl.SPywEa2ko1rDuPG6IsBRscB0zxgh4piyLSKKxqaYJJZBrVM8_e3IECuqZxSNso_02PVa9dnZQLYYsLjsKmPX4KVmf14T231nG.KuF3983NURRkuQWumbeWw7Pb7jDjcg3a49F4exi91Nf3fCz0AlzckwtkxqC4NzSMx38bqdjmZAmK0i3DdhpetHF9t4YQwhJiJJI.cRUY2Z4Djx78hgLR7N9u4dIjKBcEI.2sPwFzq14Ei31pVxdtrOAipDdG37ugdu51b9phn80FKabPKlkIPAwjmzQU_pzMarwheeFjFQRmtPZLo6XYVHLkeIhO1aaRWd33FvDVk3JLNTkt8Ky2HMD5hyLcQKVSDU_l1VT_H0682ZB_syY9JpjhcXRXItbK2O3vR3Fop1w3I7T_qxPWxub3N6al0RJBCFiQZi82u29QFbQkrGf7LYrIcQg_dp1BswUy_E.fu6U_TUy2d.h0dCm5EWnlnyjLNtFX99xqdzM9Ks8qId4kXSn9U6rNGy.rI5PYQv9kJ2lQwHGgQe09AvJ5_hlx4gAYQ0eNbq5WkGX5xiuavp_cb5K3Yqk7gnjCP.nS0xWibynd4A8Vdx9tstKpNT9QxUCnOXB5vI1L2pdZzsop9PLeaxyTv4Qdxp2KhnpDgmGomUau2maSOuN1Bc9IxltiBXCDuyqihsDOb1bGc7q7dRt8dMbIIueGlSajOi7fSGqcrnymek6E8lyc1RvnkDUySpn5YONEzD1gipFAVylLocgKEtCbH0ybypLM1hMfQCS6ZKgAMrhawX8JE0NFoSM_9oW0oWTjgFoVIInc0H8ZZMzGAfY00Ex1F3hApipr5fAV8IQj2RPUmbmP0h9fIRpvseRQq5SjTZkV83ZkAxxbRZrWJYnM25uz.6EJDXSNxr_TI_UwsRjWESl2R_l09guMPn9Sj3.2NUS4ftZaEQqyVTbbihympJO.7obtQPZ10NduPUGzs3Q1JxO52X.AtPY_Z1C_w6KLAmqyWfA_TqfeoeX72qEf7Hw8ZPcoNEh1Cxbw.SpoifmXk3M_38_dwvRCQeGDkOZU2LoE3S31hjRo8zWleBiMlW.0Lr3cMWIVVAyRDLyTPIgBQVmAPoA_N1Fv9EAHv0ShD9AkrT05a__3MsWPNsJnVxVcHCuK_6rfCHE9xEEXR.VG_Ts4cMJYM7Eob8mDQowqNlPG3fKktfz7JSV0DebnWR1R47pGGhObn3QjNdlL.y0096p.c1DIzZlYH8oWbY67JcJFmRhYexT0x2NSw0nl1Yro5g1Ziq0JJpCh4Rz5fz.aza2KJ5BAVz7Rlb8saDFduU8u6E9GWornsnOyL.V4S_5.bKkpn5tLOr8cEp_enW.NYl.kSGH74WKlh4hNYiClb7gbe_z.KAARAJSCY0Ld8EEiQb9P03xvJJ.D9FFZCn2nRxKDmuO2KjiNA6JGfR4AVNMQzZiFpmOfkOX0quO5tQlJKHn6umbGp4HK8pEsq62GciBolzROAcNvAWlE3J62DF7e7OXVn_sVR4YVNsEJVRyBOrm91anLAfPllLe1B4w.4P1jfBXn0eVhXGjNiU8xq.u8z7Sw3IQDC9eF0tkrmM9B0pb5hLzHZ.BpgUv2NwmupPENNDyNfdzGISuaKeHA.kMfLzwueKrciANRUYappBaxR4MENITXanX4TsbBN0VJ.GntVR_fooepNv8A9LV2g6T59TO2v_2qtETiDs72LNHJL50nOqZ7ZP3FacuBq5UoABeFwJALqnXulhxRp_3HFwkLL06pofH3E2bcEhXIaX1NnBRc3yEejPwlqrwp1KHeQB0piybGJ9UJOLHWvfDO2ckTyVvCClnPVJAfNQbfJ0UKwJLb6beu.w59u8aOLsVZVWxLIP11lXW_RaMgLz7ND9eWvw.VKf.b9yVVdC1wjoQpSCD3qbCt550Bu1Qz453ZCGA0XXJwxgoPZ7NbLuNa4ZRXzf4F.M7p._Nqj2gYrf2NUj6UDW0aw8AsJTZkL2Db.3lLh2B84ALEvp2kJxgiKCoJik0hGFdQivsnRqb4FO4NS36hJvy9jHS5g27fqyMyCS2_GAEhQrd1hZOig4v_v8pSwqI_MNu6W30DN1",mdrd: "qnRfm4jf.ByKuUT7hycZY7cFiTsKGwzctkC6R3urxSg-1739199804-1.2.1.1-Gq1VZ9wynr0cmJlpSpnIG67oPYsxMERAbrgY2qLlojiNxrKk4IeyGG4wWi0N8GmV3OSXfL8J4PXigozQ_dQ23vaVwHyKpzMCbqwv4EpHLTQ9uv5rfdbXxmW4jl8qN5XvDBPUouj8Xcx7xak1ihK4d_iTCDhITnKMS69P7Ob2hwrQLPj1Q0rXuSMnX20rDuk9Fm17EGYXL0Pva2rSBUsF5t8n2e10MEu8xiBxHOlv.HHaWHUPS7431.5IBATIt3HpzJ3k.3mtc1i1HtRkoQWk46FmpEfwqKt0EUhy6vrY9RNKYmLNDZhqbFRcfAIKWmLQD3smkgKvIWjbg0vKrdAtizXXDSPfyn4h_Jx5qrWTfgoLj7SUDhcfsR8rKJ5WMnEV0WsmoyBnCecSxiUSd32OnNb.XwHE43yuXQH9rYJaChL_LsfjBEa9ksyEJcgfj0Hmqfth2r9GOpf33eVTyh8jfytSStInzvPts5M6GNz3Ssu.hd1mPRxNMDsfLvuwhnn5NyIfjx_BYv9C_GZrDSMiBVkqWWbFohoH5jGMuJdHlG1khqLXMxku1NYS4LE9vclxwCulOc7.cDhINi90K.PdSukkDiZzTBr2jfLfurY7sZDfv.8zpl95TojG2MafnIT3bI36.xo85EYG7TqPPOtnQZkqToEER8isdsGq0fPLQGDc9LWGVUO56fTQWyO6WapexweoA2vdn0tFuasCG4wNtTcak4HmWebHoKiTe7bNe9MH4anIHYkt7obsq28xO3Y.C3weRVVa9AB6bAhgAoQzyqSt4hoo1M0pBoPRmYlHa.5MCJ0SdMVDcidwlzZ1iQb9jurQG.emQYa6OF1qMoBXGNSe1IAC9ZfNHiVEveEhZAHp8wuqOS88SsyGhkh69sQEdgAFI11sKVnATjAKa_oIuk.j.x3lxF9qoqmVkh8M8W6XaZe832jGj_cYuGcxRa5CYJDcYXIz.PiLGVvhqEtvMkG_SqImkE3ZxXgzNr4OWyHO_KJpIOMBIy2w3qCUrIvbWHnv8tmThjsaxCDMRHPnX91JPTbnwOTY.fd9waz3vOxkghqPpA2AonGOsXvmLtQY8LgUAb_if6_WaoF.mY8NKEVBw3GOJYlv13nbz2cOV5hkm9orNEKMDd40GhY1F68lVI3ygzMJRojwDvZ0h.fPQ1hJE_Q.L1CwlwpKPwL1YbszbCfv_P.qp4cVOH9ZWHAPZiyH_BwNza_ssZ4oRAqeaalK0Isjb0xBUtNh6.6LmZZKiKoESL8oU8XLcsh9NqTVN2GbiSM4VK1nTbjkHN3I00gx6hIk2viCCrywJ67yj2vjDDDxZJ5k_tSc7r2Q09_YZFMZaMmn3YDDQkaCBgP0uCbAG0q4sSxhXIeIxZjzcYpJcNP_tCeR.e8lYeT_6wuwzfgUiHXfzMnp3v0h4sXJrg03McFk1.sU4ZM9z3g2NRE5Jgj9ttBU5_Bu_9va7nC9Jlz7blP_GXQssvOFndP2S0dsbHrgYuOD1uLCKR9A4krvbLBN2NqwMKPGK1hExxGmNdOLzzHs2aw34DxvchhHK2Axr_.9yxETzrE8y4T1vtJ11hnL0ZAJrnsFlT1kJedmsB3RUDL.t9at.1wmZYEdnVcZIfBMfn5oEUa220VmwrAmMwzp4pL1SxP7MhBdgCWseBMzkT1qm1OIACDnY0Az8JlQk6ypgpdIdXb83IrtSLKaI.g97NBl7slMNOKfC87ERryQZ6iZStalrvGUdzdHH9xNqxXGZPWyb75l9ZR4NyeZEHSYwojgsiVan304T2.8UwQ3JvHn5aIutr17rk3F.KH.E6PLX667IseQr26mF6Y"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fcfc5c796d05d0';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\/6034571298?__cf_chl_rt_tk=_J2t8juSU15_dcGptX5cQ3NmMc6Yw5_27bDchOdp1aA-1739199804-1.0.1.1-mr2HrTA3lfinCq7jVhCLPjm.9Re5B9GL7l8H3JAAmQA" + 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