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-221602318349.mit-edu.top/post/0258914673

  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-221602318349.mit-edu.top",cType: 'managed',cRay: '911053e37f8056ec',cH: 'w4j6Ok1bzZSGAvTeCvQ5mKwd0KmzO5DTwpoiCQcT81I-1739402619-1.2.1.1-0nM3oLdUh5YS6nL3u0LCUW4f4i320QL6pr_DEvjiDEF_B9l2XJdnMKpmTDQdFMkn',cUPMDTk: "\/post\/0258914673?__cf_chl_tk=bXNFijek2Kys_8qp1XD9ZX2M9_JN.Wq0XJ4pS1I_URg-1739402619-1.0.1.1-BV3jlnk4AsyjVFmY.BewOaRwlae7.K_eOILrPrpHnM0",cFPWv: 'b',cITimeS: '1739402619',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0258914673?__cf_chl_f_tk=bXNFijek2Kys_8qp1XD9ZX2M9_JN.Wq0XJ4pS1I_URg-1739402619-1.0.1.1-BV3jlnk4AsyjVFmY.BewOaRwlae7.K_eOILrPrpHnM0",md: "gAkfaNzvRDcC.TzQNSl3UV84R30oJaoToBwQUfemlcs-1739402619-1.2.1.1-DJ.VEIHoij41jcIHrTFPxbdAEC65smUEhA7FVj69Bjjq9AKyYRSecD5QxSMsmfZpdsILPc5GQhYQPvHQXa0BDIyDJwcfRqLwpPok5XU6YzzUUdIbEUv63Gk2Ph7384PEipdKwvdsGzH0P9Qo7QMetg3tOAGqGeBZ6E92ngHqnXyb9hQjFL8HhfcYyI83c9laqHXi_Fa_tvGpTs1VCjM7ZDBiFmRXEk3po3tbAJSHBj1rQ6VJAYAp8U0zUHqv2nANxFuUTMrDBmMwg71g4PYujkUQCIii2PmfkT_6JFi59oFZF9ZgsGbQhf_0veTgyDSVBD1XlpeMqkmbuCsMB9Qr5ICPT04NDBlyKrczvz0xMvDTPq61nWleivhZfnoTiCF4KZFFRUSpeyhM5xcRCg3dY5W4IuKnAIRP54ZJKjk3fyTQSqv9DD61IGjlMZ1lNlG8HYqT8P4E6ekaEpVx7vzb1VmV3ADNe4L3pat9cY7n0fO0EvjWWvDIbFbE18NPwqZwM4l9ba9lSkRXoVBKHmbZQp9FqjX_X52wLEsfFFaOq_e3DnTWXhgDkZbFlvvPpjYQuXi6Ngg.R6uho3lg5f46sOtK6_PAzaa2xuw5m2jecWaEB04xATS309VtQCn3FxO78p8HWoPhQTfTw2giyZptfkZp3Mj_8JtzU.FP.BrpNYcR2Z24FnD3bJCYRWhaMk7XxQoimWQZznUCXbgiduOfGVmIAVPFK8GOluOYhy8RybsN.WKchIjF_Rm86q_zISrsfe7VOXFMXYljqjscW5NQQ93Ej.WWdsOBEHqWbtCY4XS5yh.kA29fSwNFMVLjAxG86xx3UygbkTEOXyv25i.UwQsoGpUM7XSRhLRhTJ.eBg_lP1kG1Whp225zBydQllqWCVeStbGUb42xz1XMMFeYGAcOzwXM8b13Vzx8ET7J7LF7FiRoQDWJKjEmmF7XWIFLV8EdfSlsLxH7rMQBe4pXbeB23bHvCsVpKheiLEHUe_aYOHaYv4u2XbCB_aAQy6k8F4TX6Huw1Asn8lwCUJYOGCC.s_xZ3k2Bzzskmf.1x8jlADh6Ywj1w4r5LwIKlsiyuA5lPFBDsQodWZ_vSIpQ.0NZ2D4anILu54VV4TirxcOJMTkWML1we0s0TcQ9afat4ewjINMUeSsLNYff72ft0zcWFzEexxlZzv51zn1bAQBxW_eryUWQenCOTycfp4sAWH6fv5BinNeojMu1Dxs0mKN9EnwHbkFKQJPIexDNiwXvDpwx1P2Ie4Y6q42lg61co8mxKTskkiiD98zsHSCMf_p1m4NjNErJ8guG0K7d9.Ciq53QBiMsbKmNBQrKoELbe01ri06mFq.xJRfiruXv.BkoOQlZ0vgj5NjPYnLwXTL968JtZrwWha.S3wWneXOjMadPtRyHHumDIp1pgBh2jFbp0AWZmsiMSB3P.RfeI81ohrhOERSRTIhaX33nZ3xsKgouOiHJxqJ46BzR9NqWdx3DB3mH5NUi8o.gALRd8RlnXGixPuIL8KZOdnH0rhnBfVSF1ovTgT0bFsxsOo0G0bfGC9mCFAgpfeDLTgPYM8LXIw7nmlViTXrBZagPJpT_ZP9O0lM0FqVqruqBpSr5RdMK4yX71pxmdIkWWG2tzpKoDYk0q414lOUouwvxu7bLIC1RnMVuLU.KMIURPOOidKjwzMnQ41Fa.4yQsGs57Y8qbmB_.RHPB4ol4Mc0xraZo592f79LV1kom5LA5ZJSzYQqLSPGgpO20c.bshx5GzhjyJko_KvXC0dtSQ.OrtF34P6.ATX2_vf9ba3q.zrtBjWmaAkfFbKkHzBY5OlwT_bjKvKeUi8nwHbTFWrQfSgIyyZC62tNjxyyPllNGHnPX88tM6xivv__GIzP.B85vrakPFqSVCI2S2Exc3HBDrtDUsVEaqaPwPbxmJGtEEZkpuwTIigCVFqKK3OJTL_JkWVsxN8gJVMD7ORsNkVD2J5csxjqUso.dcz_xAQRnnl.NdNfM5xDXYWwHwzQl9OCQtZI0OyIvCXDidBYt7vwbLIqZ2agDbITiIWz2lBnkUGyQqKZMEAnnMAhC1Gzi.glFYM5W7Ppb0VDzcQwC3sYj.I4E.Pvfi3Q5AC9FwS0XU0lsY7ehZ2ZbMY6MwA6Y_1rGJuR6BV41AUmCTbAbrWt.Q_oes.xhpYPhcbgnNT4O762AZ5f3K4sfD7qBOWCMPaS48dFoxC.TzvioQzzvw.f2iuW",mdrd: "m_CD6fEb3kbSyPNnGRrnnEpQQctG9Jdtu9n3TBkmkXQ-1739402619-1.2.1.1-Tr0shYvi.dgTAaURHXSCME.9EpJtZjuV5hezwNd5OvZ4kQIFz3Sl_x1LpJLHDQrq5qmaVFesj7toabDLun9_hUjQiOmXaAw9JZAomMJTJmz7PDYqNrPlPCeUPSOi.HLiuFF.NN833Uu6J8OSDCNLs5YM8Cl2Axfq3tHnlUmxfyErpeD289uBFwlWTNRXhNGgkOn0xkBwiJNM0KIEFdu3_maaSURg8pTrdvwSwdvl_EGo2.PrzFz7pGd9bGPFdrO6u49FIIgU97Kw0r27cRAdoVJ1Pu2zPCJAGDEy5sbQOb0MOGjH3rQeigr647cAC_KJdEe45gxeR2CGC.TVw0sWvNsQ0CBC0HjTEiUPJO2FHEvNmMH_9dCWD0vQm9dqIZ09W.OGiuzpBrGdzWVOU7.8_1tl.G2REkNK5Ug3Ofc89r2uuibmCFS5VX2R0NbMaaY_eXWg3yiVtL2vtRT9oigyvdYVNfegSmr1_WzAvU4Ao4T4fA45E38CJ4bx_JwlK1Hcw2.60EOHxemsGj8W6dOEx5tHw5ZiOk2UlkIPZQeRhc_aXq9fg_HyMVtIgaYg4hmg15N28Pr8EuVSFQ6CGfouM.CyoNy3caelBvWP5WgJar0hcTmjFC5GdSs0e6mdDPTYuy1v7XUQeESOKVf_3eZQkbbHENdHoIiYpyZqxPq5IlxhrOUrrTKWxvV6hW7nb0c0nB4kCHMPFS3YuZWsLg6BAh9cvnqkCrYwFzzbykgQa5TBzO6AO2xVVSiqhElG6mz4fVBM3r8DDIrFvylvkFLJZ0SGVDyqNqXXI8DabBZit2TBAFV9_PC6rXSUDBwQ3QYw3jqwhSnCbpjFYezewLbk2FC3hjT2fKLXoxEdIfds.WzAhx1gAWzKb.2ACdnjZMZRAp46LYa5cGbJ6wFy7xYGHzom_DnMserEMSTnR1CGD5Di8Wa3P2o0oObNGWuYtDQWsb72aSSqdJRUKW2hiYt_EiOJvkYcUSNLjfM01b8ftruAHiQIwvjC_dpq8hrPT3.mXKm_r8bAC7jwF3BVdaR_reShIhCz5.b.RTnAfWBn.8uxDpHdNCVfayXVN1qZtW1Srxt3WMoCrJmTXPSrtISrEuYxKnFJQbPKq1WN7PU2C9UlcLYeBs0_WUO3M_qUhg9u3eRBX1biRSilkXcjxSfB9MidxrZwr5e2Iokl.8nPYO54OEqpnl0Owde22ZsjfIK0UWZ6RL6UOH41VuW.X42WSNVen.8b7ldlRXQMKv4ritYD4e9VgUsekfcNnOQUUwZCxku9dNmukSrL6KTktYNFTcwu9.rfDguz1j1MFNZYYbW1.ZZpigh0V_hCkV0RtQzfQ3eo_rdsKIsEKR1hdKRcujR7HAXZW11FFPprDLm2VbQcXKK1LfByNP0ILrRgDCulsbsAZLZTr30PYYoCQBXEbh5YSFG2B.5mI8vKGRKpCQ5Boc2ywKPZMAl87zIKI02VlCtRJv8J_diSbkHENjNfNKgx68q.CMk6NgaqQegG007EXOGMxmlvprlRMEnOw4bFuD_Cq63SgV75ZZjfiowesIDruB2BQfZdLkKPYusxeILh1vDZC8Cyr9n7BR__W7XGyBHu96ImVp94NGif2DHZ1VVHpHutU737aqsw5lhFkY3EO8ni6kqyxgpv89J65s8vy4jthHRhjFIQA_yruRRclJXRB14ArqLc.KdHZwHb16HYQRd4feg2cFE6W.QsgKmiPclCM_xj_jmo6URKoyBpReBQrstJG_lclZFBa2Iwj7yZWYSr2_GIwBAU7UB7rcKEswHk4rRCwLAioj2wnz83m_wOrt2.s_xYgBB3rSrakdg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911053e37f8056ec';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\/0258914673?__cf_chl_rt_tk=bXNFijek2Kys_8qp1XD9ZX2M9_JN.Wq0XJ4pS1I_URg-1739402619-1.0.1.1-BV3jlnk4AsyjVFmY.BewOaRwlae7.K_eOILrPrpHnM0" + 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