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-aff99v5dj.mit-edu.top/post/3284507916

  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-aff99v5dj.mit-edu.top",cType: 'managed',cRay: '90f823b6fef2d6a9',cH: 'IrUnyb9vLH4HWaVLTv4.uM3mQPg3BvO2uQ3zSr_187k-1739148988-1.2.1.1-DACRaLBK.RJH1U7capCX0YJE73BTknMRC.w1QymV4pzDvnGNnXqFyTJo__H2BuKf',cUPMDTk: "\/post\/3284507916?__cf_chl_tk=sTC5nZ9EkK2c7fHDUxr0qljmVXY4nwm1fzveisBuF9k-1739148988-1.0.1.1-2bbiuffj2zfmtLukRnENxmZqxrUyLR269GgOSiJJHNk",cFPWv: 'g',cITimeS: '1739148988',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3284507916?__cf_chl_f_tk=sTC5nZ9EkK2c7fHDUxr0qljmVXY4nwm1fzveisBuF9k-1739148988-1.0.1.1-2bbiuffj2zfmtLukRnENxmZqxrUyLR269GgOSiJJHNk",md: "iYJkv_WPO9xUxZNqecefOBE64ZZR11cD1nE2Oy4huIQ-1739148988-1.2.1.1-roi2jRp3i9es8tzgqoOqgJG0RyD6TPL7erzBocV3VLQ_1QVVwVf39fBsyvO4c4Kc8aa.XwhoHRpsWgno_O1_mKe8OrYqsWz_H3LqCL9MUbxlcWnS8MtHWICb2YVDXyjG9W1bJJoO1YKF07EuIeXDrbdGXxWV3AozCXO1SDz5MFFYmpgBzCz4vz2SzZHpxD87YbSBSYwF6f4ulPPBOMQZzdzYuM6IQuZpS2f4BXbxqKPk5dt4bwc6Q3Ejwp4fuJbAG9TYcyptp9j2GC79btfeCtdx_5r9Cqut58ugtqzZ28qcbSTOqqcYycEzOs.IYbV3_34OxAz8jH.tBjzlu9eJ8bO7WRm0zkturnWUVJ26ZLj5UiV76GixReW1Hp1OKmszTtlV1xz87hacyFom14.hQ3nOl1_2OLdNvIDXUeh.3RoT1ZrahmUR6Lr7giNgQ2QcavV_cKldcrxh0WmPjymGwtb9WO.J.LOpUbRH7aHgaEFjEnkfU.IYonMKhf6hu_RLZ.m5ezMo98pwYJTy40xw7RXE5Vte3o14lnSHgeMBHt8GuHrV5bdjN7K2aBI5aoADKP.G4Obcw65oL1bIheT17ysJ0jGjXYMR4ykE4kEI6rnRjW8ve5xqSy41Ut_it6vSdMWL6IFWgQXnDlDacjPT84q6FNXpMaYHsk87ILhDp6apfjpuTUdVNnb1gNDFSEDz5f8PKCU8hBZ28mw55Z9JqjEE2eI1ifWztpH41M6P_lMHi9QG0vSU867mlN_2Ina.VIe2EEljiaaFg3Em3gdbTzJruXVx3wlPT2QMci7pa5ils10azUCSCz3gL78I0Zju3FViFzsGeeuAzc.6F3omX4eN68o64c7rEAgJ4AK0OfWWw4g8KQb4SbuKR01BqiF3jx7Wmgwg2IfnbY2MzQgKRlA1LSjoxO9SCGO7a3CuDe3JG_1UOGJU8PUWVN2JUVAh4ckAAinjA7GPWR_.w873FfnRZPh4hs0Xw7OXv7G.LA8Um0__v9_L62HlRjrfRxOL0ocdfs8x7B_7M3NGqtXfTig5WncKVjWQDkZ7cQfy3MfI47QYb6yzJ5FM6YR_ShVfem0vS_YjRpkGx.nmEaveA5giQHPSyHjKBltPFEj_Thcg6wrtI4wLA6gjEGOFK8oksO6dw_8bjCyQBVvJPPYHJX8rNy0UPeentUnpLIfdj8Qm8opuoMdSOEDX8DxmAyMr9CCz4OoOIuR6do526FOfZVYBHe44z8sV_GCKaf2jmOOgW3483aViMvxi_431bQ9a3awFcHeo7_aS.nFmEGOcP3tj_9HbYHVogiZspOnnMExITj9CPY9OON0z0BDmF7pLrRCxHjQ0ASUgbnL8VVov_HRzoORyJYEd8Jhqi5Kt63z2gL44WljuEUyLu3EzjV1zOa_oH9g5xokQ3XcemRVEsXxk2lMj05f8j..DgOtc3HflkPYG6KbcrAqk7iXIhmmPek2Spc_J3zIlC4FUjUYOPXa6XqCJKb2scYGmPEV_lHmqSNKHyFeF6LKCuCNKlKW.wrVcyA5fN39SP_3Psra6CsZN_hKv2yl9cyUqZvj8VO4.Qq9F8xcRLIsSrMTxevVvauNjVJcjI9HtzUlWwLF8Nqkd.2qBkAJtGzA41fqHXnUy6HYtpUPQeWcSNy60x9gxKpWoEiM6XlEfQP1SRCEqp7wc5AcMdViCA5NCouQKvM_Ny5TTxe6L.R7q3.XR8X7WWc4LgOxO3NOK9SvBCTG76_2UZgLOr2YugJkwTbF1QaIKIUGvFuy7YkcTvUuJajzyZ779guDNQ.L9LxpM2v4FfuSivOA0uTI6pghm7UVSiZEalC5NipE3PVhrh34pEoPXOWw7posi5_ftu991eMHpa.EBXIP9nTlr5Wzof0ZZha1LHNhRRra1tMCKOirD5ga.X8Ro6w3ItpmG56HKfG4s77brHr99k_ZwW.GzUwRmUpoI6dn8uQlOjH5zmxAwyS08awa2zzYdnLkIQ8CP..WGggEFzrQSmTsdpmcW7hjRI1pLZOl6UDSq73.mZ97f0WsY9V1Wh7Ud8Han5C.XkyJ1__Fm78pm_oClUlTZQFM9MXsG4DgMeklQPR9vAtm7BSI5m540SMTBSiS4yRRWUKrBxO0TjtKXFaJfWGu5NW.yu1bIA4HFUivohy0AmkWFTwa6.mwpaj85zYO9rRzAzukcgSeYnTiukQQ_9YSNzAgPQ8HSehUXW.IYlt9mL5aKCdSR",mdrd: "I9eTo6FZRSLjWAMc0FBZET6xkVM8UMODksz.5XeFlLQ-1739148988-1.2.1.1-bHwhTh5yts.WFDXoEPrWjps6oMBErtQFDF7GUP7sF3T1hkfsIeP378Sq13h6hBYkV1OoXN8bHie5aZn30rcSDYEvQIESSFJQpcwXAUxY7AuLm30fydrh4SXF3JXccKAdTTOcaEuqpowHDrMTLZ3ZYVLoYOI1tbOoNoWiikJLoNJkMptaLo16EHsim1Zbni9bL2GXqoDBmbXZDsytlQmeFXwOTNDQFiAOTOYt3QSG7aEPZfR5MBsSH2T.T42LNhip2aBW59brIRh1RXsvwgc7FoqhYD.zaPo2L3w852KUpCh7mSADRQAwZcHX9NgrvgQfxX.xryUSoW1SCoMWqpj7Rriy6BImpMOkzj9hHGHeMPKtLVQq2WWS557BNda5_XhjRTPUdf4VA9k3fBrO42dxmqvGfgWsAYkG4UVc9f3QWJeBOIdkoSTGccHiSK6G7nAA42asna6YwFSXajPS4k4AAhkINUD5w6gLHIMqVVksZGBMoUnY3g.14p.G4bhB71OQ7ktN1DHjfzTgeXfIfHD_PfpQNV7Qs.b39U1zM22WZLubDOMS6d_uJ8AmueYx0aZjB2g2YiKF0qCFhCF5EMqsfnLSsGJSSpOg2sSxR61M_Ummbyjs4IV2JhAbAME8rMPJpmQL77BE4lyHytCeKpn2_rxs7dNjU2d5mZHMyWGUSNrQEVD5JRFpcCNbG0vhzNJdRLU.DesrmJecdhLl4gn6RNBgEfOHXrklo3D3LdSDNjoP28vAkEVz1_Rx71UV75odcs3wO99UpG9H36ZigcPwUFPV9jamDtYjwZ63CM8TF4co0w0dQetEGrWegO1s.dVLbdsdVJLeMGnhhLTu.BjJowfbn5qF_WQK3bPvYvU2Wc0qboAhuU6LvCgm.GKFctUzUTeAXYDZUdkNhj3w8UQxKQFvHO4XG5E4X4OzA3ku1v7w240ay3ZC.XYDb1fnho8kCXaXeL3u9.Zg_iY3pXOpFCXksW2VTZBYtQZKxWaP460x.cjwXsPyeOdZWIbnBleUak5SKai_SUITHMFpXFhOH4paE4E5c6CiofYan2rt9T43c9ajIbRRH4RUIXyga7Pd76gmFvRYH2wQkHiULPeMlP09wjU_O1zmOP.2b7mEFVsVYo1T7JlV8szbu3blA.hZuVarkDOxv3nLKv28s4oietUMWjCOBSL.XGntyxs3z1UArxVoD8EBDL4U5tStJrkTMojqXuuhxgvGtkoN7Mmf6EWdq3wvg8Z5N1leQX.Q15Zo.hg01PUZORvtjbZaMNqGK3FQ4w_3ki8n8JkpuIjFpZMDkRs9myfSVv7_tavJhM1yIxthMqZ4C7GfV1g4Wv8lHirzbBOxB2yslTx84_ZylEP8AcwJpf9fnAldMnmksLs9M3p824ZlttxFMs5RXUTzYanR0fj1ephLVDHRz5v3q1_IqmYivUGaLWBcy.iaQbf8dpRxsyyFx.fVD1EIFSWzG_04hbD8KzzivzhEpE_BXsqabtlAEtXSCx5LhmoqmWNvLzwXQ90tKK.tWF5MTVzEq6af0cu4dKMkdFO4duvlFAf5MTRS_vfU8yxwoz.37QzY5WdoacRGkHD71w98vCsholkMY8WrWMbUC9r9NQAwNpM5MaifjesZC7xQAUzyi_CkoWw4s.UeT2OfW9jLxjD73g3_pweZsfVBo6MVRl.Cg_EUnavPB_WjHh_VMRzyb9bKbYRMZApH4ZZTdIkOSi3F.9fkOyDCxDzYrvsXOXad1GgFzXPxfY8NPfB0r2VKAOKYKXGMW8KTyjU.W7YY_nPVWs7QOFmQ.qSWN5IdP.Bg7Q"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f823b6fef2d6a9';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\/3284507916?__cf_chl_rt_tk=sTC5nZ9EkK2c7fHDUxr0qljmVXY4nwm1fzveisBuF9k-1739148988-1.0.1.1-2bbiuffj2zfmtLukRnENxmZqxrUyLR269GgOSiJJHNk" + 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