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-affbep9ki.mit-edu.top/post/4163580972

  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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-affbep9ki.mit-edu.top",cType: 'managed',cRay: '90f71f47ced582e7',cH: '3kp3.eWAnpM0HvL_WYSR65Cvd16OYRUmVQwmw4M5aQk-1739138320-1.2.1.1-ku4GqLFwc9Fmpkiq3uVmQvcbbGWm_1opJWsOw._AxzdWUoHcHgT4o.XjnK9sLdYk',cUPMDTk: "\/post\/4163580972?__cf_chl_tk=hfGQMVBlJkP5zH4CwGrIsTslRVjr433quFpO4HHn4MQ-1739138320-1.0.1.1-EaB5HHnLFE74bxDknGsVDLeFf9ib32wI5EszZm.YFGM",cFPWv: 'g',cITimeS: '1739138320',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4163580972?__cf_chl_f_tk=hfGQMVBlJkP5zH4CwGrIsTslRVjr433quFpO4HHn4MQ-1739138320-1.0.1.1-EaB5HHnLFE74bxDknGsVDLeFf9ib32wI5EszZm.YFGM",md: "cSicg2Vml4TrD8JdxDj.1iEC3IxhFT0fUWd9gFIq56A-1739138320-1.2.1.1-YROXH3w0A30yKHrfBkrztEpqN98a3dXnA5iHCQhYNDRQ_QNsTxyrjT0djMXiZdSAUowwlo_DeFh0yacmIUlUEkYiGCoFXpEmiqgBD9KtFKpYxDoTO4oUTnNo0cshdrGKvmERrrDCEbSEjIBijS8Z89Pz1LmvJDSXHLQgQgLpufq54ylmfrviMymSrzLSXR9U0nQ0Uzh2mpqMaHKeXC.mXHMha3x6pRnLLQ_oumfaPoPgKY3BDKdRiyNkDaHIce7_ECSkf7J2SzEQxEhou_FLStDhf1CbDXFF7Kz2L6AnqbKJ6R8cjMfOGhB1pI9uu5aGvUla6xDsrBXjD9bTyBBgrRPezqeIAXB1Xqr9AhxhOZ5P9Ap6xPVjhYdilttiClmRiGME_gQeit4NQV_rFvuj4fBTw3shveSscYV5qtAbrUx3X9j6v9xb2mPIOw_gG2cJshWtD5._tlJbJswZPClOBggND4W.KVVwnaBX9eC8Dl2fvn6E71oOy1nUYSbI4ZhQU5TKmU2NIWuR4tm3o2JEdwXdl.P06i2r5l1bZuxfb2iprVFfkljShG2syFtMLkxlBkVy_k5xzP8tvjQnYJYfLeuNMpa7H6CDS6cuWv2IEe1rmuA.VZtHC9OTvo4MHFKGZo22BPP.2W8.Np28w4ICjUHPkZ.TSyFAPDoCaxKBcE.fYt1WlcQC_WqFzpWK3b5vFgfOp.n026PTLlgzbhGdHB7kbIJuMSxHIcL9vNvKIQ3PpRfxkWLTHqA4oll_srou4wKxXyAaHKjiPiGE1IFByDzuwm3eaSr.5m3wpvmopDmZ3CHyDGjZCW_JHnMXOkA1u9wVR9d16OBp.0fiGCYDsHAIoeMo0R3dTSHcnWqPfLR6TkRmkqZDz70fzv.d.qCMwJPWKBGRftC2ueuhpe_pUdtW1BC7PAZEjc7L_GILgMy.II05H7ArnzS.MOtY4cT8HjdZbQKF6GWg2Z9gpAS95mV9VSOlIjzIMKgSPKD8t8CW4h_mPQuak9YwHFMLHhFjNuk9zI4iO3O0sV16kURhcJKa4QRyK0.6l3uYv7omDHQduEE.sYbR_zSSb03e_U.Zqa44mRxkAmc6S1f3TaeK_2w37c2ld9TTCDKfxI_4.g_uURy9EJR8bLuMM6AYwpMclIWs4qr0O1hpENvNfxXyQ0xoAYuri.nZCvUdNHeKUz7ccVjMM4EZ.jnZNYL67ho5.3YkObMYfXEiBdpaKf7_qGRfZ6.AdOTZRLemig..f2ARmSLwVWsms.LwmiSE_PbsArO1BLQSiAovLQlXZzunlU0BrLkzKFZvYD6FTM5K30Rwc0WDayLJSBRc3IGFhpZs3MQIvM6cz_t_gEfX_WLVOz29rIQ0_QY.JSOJOrShV3JSY4Gr4autcZ4A.fqalwe7_ZJuBB4edsemc4j7U8Ajd8t_CLJLjqp02LuhDZ1pVxmo4C31M0iV0w2.oZmlT71J7wrTNQ8JcieBeboPR.ydVc6lyX5y3Jjw5_zG2aLCgC4cZhX6kTr9BG.nVL_oOZZCADwLUo5XR8O7fEdYsb1SuxTucHl6qr7hHZsQsbnGw5.JlFW4n7Fgw1MGxSQUUywb5yBLAjBejhdFDRAqXBeS_Psop.5LisLBNGwN.QB75wWAGsfXMIggJh9Is9bKeKRlQ230m3qZkPI2V_yTQoYb5649jcaKubqU6EUN2retTKXGwlBRenhD3OcD.K9gJZrvnSsF0dJ.Rzw2fdZBUN406a8yq6CeaBIp0K9I5gq.gHKnsIJrPEZdYT68wIwEBvW7_PxPYaKYD62I_Nf46BbCv8UHuABhqjPHY4Zx6GSLrWMpjEe_.W.Sl2C.iFLv5IMZQpa2wElOUGkq_yI.LLsfUG_rMLHtBGPcNOkgr8i7vrjXn4BCR7qoRmzQmP2uQQCKJ23DDSten68fOGjfTiHm1TuYviZLZFaYFjzQ6e4AqDO_CKaC_nWcMxNf4dRvwH56nYgyrH3pwrXat7pz3qcfAGH4H9uMbK2a4wbcOTOd4U2AcaQdt8bIMJtuQCZBdF2QNbX29no3zRftESzT21Bmn_uW3p0h43CL.Bf6LArcdiKou1RkU6QUWCz582utJCv7vl53ZwVY4BHZB8jNIYnFirQcw3GLi1oduPP1hazcHUhirmgf6HTCQRfPbLlN663PRS_R95ikmdUTxnZkrYmXqKYNT72uRq3kMoWAWPLslY3Be0AHUSiRgi7tt82yC29w",mdrd: "FR3jMdlCMRL.P_LvLJudPLPMRX4bQ_0XqcTY34zLPqc-1739138320-1.2.1.1-JLpOFX42y8ZUXq5f7Tww8mfpYg0ZnoJRZ5qKA49r6YKRgxNvo0PgzgvmG6Cg8pRuKkOK_9kIGHqnsu9JnuLMpSSVayk5gVELoHQpbIHULO3UmVyYEJ5xIvGtRgcfETVVPWCK2XaAU7goLF6rQFdAPwuFopviLoAjxzp8oglVZlb_U9Vn.7U8z0W8fBHVBptrlRHOO5mlK1uFdPrwivFAbQzSNAQ7b3g9a8LqI8NIRqB49wzoCOYzlswBIEOxzMdivJoe9V_.90IWlU7MmhWYaTXP_Ps9XqvDd4olKCh1nKvH7PlkGZl9gv_l0fr5ImfaNp7SUyLtMNdxId1eqTP8P.2tQxhJQFklFsftHJdSx96s82U3VWJrquErup5G3j_jWilVahEY9IB1Leu5Wo9Tnnqw0xHBMDsQQTqw0aJzqFhtaJtGDi6Jr1.TSgzHhiR7uSxV3prMt3bdhorhwXxUO9_OhpxOshYkspX7xBZa2cQoaZeC6DaHv1VIuyWPBbGRac_ZsBR5hBwqa3nWlzdPYwiuJtZcWry3JjYPDSC4kOL7uhxm8bsBHQ2w2HMLMbd3u7E7iRLBEcE5MoMX9DVcR15YWZ88gut9LDHtgbFSk.JYWSDe_es6Eri8VZaLMXnrtzbuNFqCH9ZU0sELLHG2o.sZiffMLmoaVz7DuUUhMFAN1InAVSskoYIAJ7cvTIrCqGmnWvf7Qx2uTOF0v6mBvjQeUqRy.k_v5qQpwrEOOppmIOBsjN3QQLrpkeMtHYfylNJrvDZqq8D3pTCnp_43QRbjL1mdSyPOEF_p47l_rlH303H3533g0gyEq8rIX_HICacwCzcPfdnEex01TOD1tB9NWEQStoexr0nPzqRwFuaFlAB5l9_KfrOxw8225l24s8zvwxDpB8MEHo_.A3ubbJl.TunJKOwTh2Vj.2LFWjXg6txoW3UXU7LBABs5LHuPTKLV9x_utOvzhcw3oOzbZNo7n01QndfaN_pqJ09LU2.aCC93jveGagNqMOtnvZ0BAiI8bc06zuJUzKm1fHEQu7k2aLgp4WvoKtx3Y7iNeCqQxYw1XkaBxoWZLN5n_v7sySCqLXLizii52Syi6TblN.rai41ZY.zSb2NKVQjzBARD0vSZkIF7_6n96C7RCe7BLcCyMJu.7BEN9eyIWp8HssWoLPOEpUAP5dewe.knRg6IsVdKtW8o4vnKKlGn3.du_83Aeu08Flat5p72tH1n_pG2txcGMd5RoqaAdziJhcvF_xjx03t4oiJCaMixcWghslwpoKHXpRtg5SzgKbqX6E6uAC8nZEGzwS2pKqhPfOukvDAiiHvZ5QJqZpRWDWNY2zYLkZwXwmh2RunnvN5hrmbrY2MYWvs_Fe.oeVCQSYKcyOnNpUvZaB04VWcQadaKkLshtW0gUYgVC1ax7qwXypOwfcYqARa0d1PFNYLHOY.P0KuNvSip_Fk_..Owk_u.f5dzG0lGomwj4Ae69GIHQlGLDf17HsRC4tQOge1D4rhJTF9_wVPi0IY_O63R2mSnMGibGIQuLzjdidjV9CDY.DyJw5dcukopisum.ZLOVouV91VoToQ_A6FER2QOkzx1Sb5EisiWNPLU8zzB5Lk4_l4SiRebiDe.N.Txz56kT8XbXyGU_1BgiBGz3_YpuUT7AVBTXfW08YhjXGcfCnBM6LwuiEMDW0XZS3bmXj2P2UtQG2RCiTlEaXPPx3fBO0wqiImefK7KcTWpbyy6R43HMONt5lpNWKMQR87popvR_UmqKMAhDg3aWSNGWQayvJ6oVhRqXjcOCyvawmZNFgeO5K9U8v2Cpcql2UtcW_53ndQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f71f47ced582e7';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\/4163580972?__cf_chl_rt_tk=hfGQMVBlJkP5zH4CwGrIsTslRVjr433quFpO4HHn4MQ-1739138320-1.0.1.1-EaB5HHnLFE74bxDknGsVDLeFf9ib32wI5EszZm.YFGM" + 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