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-aff9hk1c8.mit-edu.top/post/3826954701

  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-aff9hk1c8.mit-edu.top",cType: 'managed',cRay: '90f988a87f0c242d',cH: 'TzaPMmMsFwqTfNMM7kVaP2KTFbhdZ3H7z1dJ22R6R.Y-1739163608-1.2.1.1-DwcA69K3UjMESF5UqrPIfA3YTlAULNR.FiRcf4EGmhOHuTo4HYsJEwn6c2lxg7Gw',cUPMDTk: "\/post\/3826954701?__cf_chl_tk=fBBBkz7x1F.BZI0oJcNvat38sQ_pMYt_M6vKeqAjhnw-1739163608-1.0.1.1-J13ZwEFtzn4jC4kvBqUyIIqUA0W3aML0UOKllCb5F5E",cFPWv: 'g',cITimeS: '1739163608',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3826954701?__cf_chl_f_tk=fBBBkz7x1F.BZI0oJcNvat38sQ_pMYt_M6vKeqAjhnw-1739163608-1.0.1.1-J13ZwEFtzn4jC4kvBqUyIIqUA0W3aML0UOKllCb5F5E",md: "z9o6A98.5sgF06AGtfwfDeBAZGKaXSjP26DKYrKs_7g-1739163608-1.2.1.1-pyOCDfVyaKdKcl.1YD5yXr37EA10SHKoFXVYQEPhiYAgU3PqqBzQRaouwcREnyEI3V4ppdExKozvg2baF_pGEUiuXIICcOaxQP1AlOXxCEutbOM_3pmOZDPoNFlj.f6SAFUe5MNTf70__RmtanmZEf4YrBqHPOzqmlOuANI14HEOLEBAFY0CE8MP.mft3cHfbrlyC1NkTc2Wz2hQ84xwXb8LqaVM6jiP8shxkvgxGNcKO8Bdd11mz7w18sPcG4dpE6bYmg824QWpsYwSHorXNG191LdL9qXj.N.ESDozajr9E57hODcbwh3BOO5Zi5AXb65qaozV5_hlYJNhZ.Yxbr_A62Y0UVRre8pZLq0hTUXRAqjAJDDCKmBIABjXHv2N0WJa_hXnVKVuDD2q3C4SoctCqWstzm5LjKQlk0Z7ZWyTYQZhIkw5XHh4fq65ama9XddqyNlgBb7pM9mP74aPya2ggZUzUQT35E8l.VRuyCdL.0YQ6.e24d6kqqwt7um1SdnxmqxKEjf.o68rGMFU3LPvtoBwlag181wtWWxqFEwy2gsy.4IJ23q8BFDPlaAiiL5N9TaxE_uK1yQc3.cW8bSMSs9DmvOuWzKDOHOK5yLX.Os4SBoUmYDXkH0wMGL8GpwnWWipvWFZ_kRmxZ51yyXMVXbzR4X1SUdG0cseQF0J3Cf65z_uuWZ8lZGOqVvrwJge2dDuefBbvQC5FM9Y4MZBpdc2OaVBEe0DPynK6r9J3Z.GOWx9E6pU2Kl4hmUZ1.VarwpBhRofx_FpFwqydQScShy30eT4Ey_RPfqwPqsJfNs756am3Qc.aXeANPxvI52LFnQD1Kz3wwM7xk7HdMJMeWWuwIcVBJd_RF6vg125DPQH2RVQ6myNmnnbQBifbM16G61P91c1NapBnSa2P6vh9bem9uF6LGIJNRw3iE8dFueaEn44vxaFkB3LeOAELivb9VGNrneBfcIyJb31pWxW5Bi9kjXq7_u6eAcjCHhTqALjV6tKlglRxV6LwtDaHZU7H6kAbBETZp2PzZ15uXhSIoPHs6wQfMQtuQMz1rXmOpCEjMPxUR2_Um2nQWznjqJQp6r09HsFhieXQg9hgPyyaeOTJ02K9sPDbtHS3XTz.dnyCpb33hR5Vj2mfXqPODK8QB8qnrd6vauwwib0h8emNATzhbNBq.Oo5K34B4Yt1JrRz4Ma2UrlpvoOxy7RMlrZUbNocD2qjf0oAOuJ5hvOfCbq7UF9Maft7ulEhyGkspqFigywlLYOo6WpzFu5a6ubjVFHr8Up1HLjkNzVHv90fG1x6801bKAghwZ5Ut5TYWMoge6lf8Pl3G10Ycy0iH8EGjWfs.SeXEIyT9XG7leS9H4SdvoqsI0qPcxNPawwQuaR9qIgYeJEKOy9bIoo.Q4dqVq5E48p.BsGbsRCIUr93_MRl4knot5dCDigB_mYmW7djQLVKn6R2o07OfbQuYebKQrfv.ZlwMvuQ.EOkqrpOPvEE2gORb0HzLDUxsXH9hoFQTm4UVUgk7t1xTD5ch7iXgxHDXcw1k3lR0HyvHsCkclrvy6Vx3jA12bqO_sPycRx7o4EbiYLpdiEosckkxlDFxYl.VmkZI2LIpFA7ycL8gJtBMnisUO6fbp2WjaB4BRd65qPBl3K6kroDvUJVeySfTdexP0BxrkyBxtL4FeaI7F_4wleE6yfvFY0LAEEvz185QelwguLWcWJ7X1PJAjfHHK0vK1mtIoMwHbzQNCGnqLkutp2sfPshaaYrpwVmtowGNG4aMG1N2a2kU8Omeuw_Km0tCwAT5abDZPfGA38RUWYHKYB2Ak_D7N4W97mJ5x0wOIP9i4U.EQku1roQtWJYftp1qmB2xaCWmo1aNJ8v_2l5.ciHPzfSyGEK_LK_6CNipvx5_e0xfZZ95FF3P9f70UQZYB84LMuLEBh7ogRNU9qUdQoQW.MAlUvDRhyd5Rhu1SNxcR8hd5HRE7JN8rUONDD_3dgWxu7wqDrdVAwGj241cevVdAowGIr9UkC1O9HnMQ1KedVXFreueTA9PuP2fojh9EVheQP2Ue8D3AUxj0cg_ZjT2LkwB80xLfbsVG6NFHwSJlSyzOXBZp_0DRc9i_F9tTmXy_m2lcbJOAKr349F.7eenEofyKrj6wU7kEv3.FfEBWGSZuVCeLGE8LVp0aWIkVhtoXaOHbltHTDrWTEw2Pyen7pXGAh8WqdVKAUGeuOgvgDdadOuJOM",mdrd: "tG08C5YEaFF5DLLJ5_tKsTBwqz1FiFhN1sinZGn7yg0-1739163608-1.2.1.1-Sxcx1eg1_tOjDvs0CVxc.AIu7pwdJ4HY6881dLzMzmze.m6lN2286aRfzD0cqgY1I4jz1fAk1fgJepY7sBHsxQ0zw8lgYJVGgAuj7IWM8WuK4XgSVO50U2p4MVjbJPR5nrPMDNgaIaCDFBq72H54ceKqXd.e.oTlCUo91eSwHYCPQciN7jhMaGI5N5ypWZDohNqJ87hAGiRVdFoBOi3uHH4U.F83qh.6uPdWmsauJuQstYswATQQM2zCThAC.1KrgfvGcXxOYrj19e4sg.Oq6xpGQzTJJdshPdx3vKYcjx5X.zt1Kc9GcwOKuECr27dgTUT5Ul.TwEhKOzPxXvYCiuvHAjuvUA_zPDEI7rniPWtOKAfpk2.VNUjM5Cq4k3ehSLcZcestCNwrEMsLcYYqbkc5co.ufJ2KxXBW66QjjgGgTa5ihQOcltBp8H4u9T0FqcwzwyEB1ZPa70OlvXYZ8hIFeK_nvYObw3B060klOhuWP0.aVnnU9Bc8q8_oni_FBgL8xKuZzq7N9ZzITKqgDLSoGDH72E6kUzo4dJkv2VO912dyt76W93yM5C38.XKl6jPeOmt38hWQ8rhExCAI1T7GfmWGci3IF8N1VzQOOeWgCSdDnfjOD7SIPGTgpDQ7.PEGQ5J8tU3i1MW2cfBpc1Emr7rVpXK9U_lPxKEAuCayHTytioTVvu8128RqT71XVcOyUJsITXyzpniQm6Sc93iPlRDxvVaa07aCF3cIOF8eooXOxMn6rs.ZH10sPsxfJegTfmzFhhu.r1iRF.2i.tOy4BVORuaMVZhP6iTjJAeYUJhyYVNthfZq0Y4jxmAeuqDA05gK3r52tSbQfrG2bZIufNcy.x7pC8.3oEhPVdE8nwY4JyDLS.BITbj4LWuOKH2Xg6IljisD4hQYfBzRwWrG0dj_AEtVIruv4ccp4Fq3zKIPWw5KJgqRm7pZ1g6f2aSDPa5r2Y8gYXGo1Rgbe7Olr8OKNSdgXKlznMQhiUKu9XrfyWLoRWBL3MttLxZNYi4YF6bhvU227OawR0WtGLppUzGtReQfYMyUzdaeUYVxaaiaRtJTlRBe2BqFrDvXF_0wFuaxElAar5zC_e.VKwpAPwCmPGEL0SUh6Gl8GCWH7Wq6ihoeY.8gSEUl64K5oEnjVIulF2ZwOlwQMVCmatrkDfzQhgCE87TQjSDF29AvzOOBgS1f7yn1.PSo_n4YJk3JvHyT3KBXzclo6Y_ueh.JJuwl.g.LWdfLxn1wVIAjQ0k3tDgJRahUXeyFIOW3PPuEo0.zUw55J1bQ.zDTEGALdh8tPBk7js_0LrhagCKG5rsVfL3pegsYsA5LL4k1xk2vIUfChy4HJara.TA1AscipB6clnSbRepePG4IdO33VPquvAC3LBBvHcVh2r3Ry5AxfM.NLAQpB90zyfORQls_W2EcrXA1Wq1QrQSIibs.W9Jorp_OUOVLtt8iIoneIAjG8wQdUPEbFfj8UI1wdGEVMgTvyWtzCY5sALKa.LwZMl79R7r7lKtE6V3SXx_Gi.RgmJMW_xYT3.vQQcSNbCLTjMxBYnN1iEtXFUAHUJCLsdP5KDnNqFuTJfNlBKYm9JgcqQSJgrcRSZ3lMbRnDalPBXw4rFeqNez6hOFNbZT8cbt.aZPhk_qX2KrNrDf.Tl61DWZ522gXCE9clGlkzFJ17mzbvjodGNpU8612G46_BsL2swCeF6zrGgIAWlzt00O3f_ymAKZTi2Ai8e_Q2ymr5gNGjnZRR.YKtz8zPUwMjvJC6Lus1q0PKozKoF4YLO5ilsX59yD13KqH51WUAQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f988a87f0c242d';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\/3826954701?__cf_chl_rt_tk=fBBBkz7x1F.BZI0oJcNvat38sQ_pMYt_M6vKeqAjhnw-1739163608-1.0.1.1-J13ZwEFtzn4jC4kvBqUyIIqUA0W3aML0UOKllCb5F5E" + 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