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-190826553555.mit-edu.top/post/5416097283

  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-190826553555.mit-edu.top",cType: 'managed',cRay: '911057057aa1d704',cH: '3i.Uoz9IaT426lR6vEgEstcFSMrtI6DLbtfnJl8IM2Y-1739402747-1.2.1.1-tLirOslYjEFMk820ZKACbHrQbLcwmzjAr.DBeJBRcuhHBLN7lxFA8x5YsM4WA83T',cUPMDTk: "\/post\/5416097283?__cf_chl_tk=mTIfCPdbIynn_bV.3Z.FglYTERPFfwVIAc.RULmErxM-1739402747-1.0.1.1-GLCHIGO7w47liyPow9txt1UwcZGoo39h96239HL.upE",cFPWv: 'b',cITimeS: '1739402747',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5416097283?__cf_chl_f_tk=mTIfCPdbIynn_bV.3Z.FglYTERPFfwVIAc.RULmErxM-1739402747-1.0.1.1-GLCHIGO7w47liyPow9txt1UwcZGoo39h96239HL.upE",md: "SjQtOLl4LSVf9if9VtDau3blHLxvjPgu2oD0iJfsfTA-1739402747-1.2.1.1-aC3r0rS9PKmqvPLyqbuNSubZXPa._KgYtgcG92wznLg1ymTDVUtz_Q_TxpFIq7ZxDWpSDR7_a4BcawM69hoIMlhRRdkXqirA7hODVZzM3LE1BIMg4l5kgmtKKZAleZCXlxL_OaKsCaz4ZMmmkeCFAIivl6Csz6VEVWMt.lxjRRziaj4EE6ucVtX8SMIgTqOv_Rk2mGNsRi3XtqYKG91zAF0HuNCOnAqiM6XZ8J57x1jGwOy6HCjVl1egSZq6K3pCwLxEV_VUBUemGST4jRQ77AxMlSPEbYHVXrqnMrP337cRvwYKf0UOzKaxAR5jS4uH8D8kFSDLkZaneZd_NRaScRpTZnyePvHgAQ7uFN05oIL2oA0oR7Irs2s.Cln7XVMK4bLqSNCyofp8ZGL3YyMVfUh2cz6MzlU74kxGYwj7RCi0l_UtiMl2f4WdxBjV9IzAUaM.COWPq32hyImVZNmJpYdEfUYo3MRCOBvRkmJIvS3QS4yrLdayIyXhXgPplv9X8Z_mwZqh_eL8LL2s9QysQhL6aa_Fm6l66tEVHFEW4b53p2f62CvArqYh2Ghoc4jHBY_n.6.iu8jZquXFapIntFFVIyuwqMjE.RZDaQ8oWtxaPIdZiOQZkVRoyz1FPSQmFJ_NyriKGaltlQYsDqLNA8uOvBhYrc0zzwriNM_Kxrj.KwWe9xvaJYE0uPbjqdrqXeHhEp2jFNZPt5RgStQsnbLICglOg55TV7R.1jGmbOpqSMFci70uCalWK3WtrgCQBwPkEmqaPtXWbHQaxNLcpm.K_o9klh1ItrPvcCiI1b2Fwqtd_Fzrn2.IqEcBTYG8hosOlLNGaHcuRHNfIX4hbB.qIDSUdBBe3xzvkksiMcIrzE9cMDQtIZnu.aMvfxsjJrA.U19MSJjKlc9e2W.LcRqaLEZ0Blo2mRW1ptqvZA6hAjVPBYsni7biVdXF9OKlDXt4kIrXmLt5sufEpaCqlw3KosSMBjc1MSK6kXnLORuvg.8zp8GRSxbsqJ3vbKb1LgE0CBsGDsM_FZGbnj_cY4ld4sWj69SFW9M1i5duoZNwAuPrV38fvyt4V9TjhCWplnQ5RMAKMIkJElsIqDzVZapjlhMQxAevjs3wCjntiddlXgCYPKDr3zClK6ioDQltbluIpqKN2fhSLiRUzcX6D7QM6QbF7K3Deus95yAHbYPpqi2VDLRDxsVcK5Gi2VZMXDO3_vPrP7hcbPMipdk1nq.ngt29HiFs_RGZ2BK76VUdLnqka8MoJYTLt1dkHAyp8luOAS8uST4WLzH6ONFScnVTJRbzhXJnu_jW7M4zrXRElhlbRnwzE5LhCk7XVFlOkFv6r4VAUz1M6RVnyHUxFgBFjf7eA.4a8JwGwR7wQWChTyDq7Uw7Mdns_LRxwzj3zjE4pyhrG6Qix18_JrfH3idsOd9brvMUTD3Euomq2bhgPkI.q8QbzQMpfV6rYZ8l7Zouczbw9E7x8AvCW1xFxdRk.vFEN9kdq2BqcDqus9sRJtpqOnJDbrur2TZapRXLIuH7rYo1eRPr_2kUtAIFYe8nUTRasJ_Bu6Gbw4gx9JOsPhHQx7fesInhxEh9ATQYSPMherZ.l2MG_G.9ycJFNRak6IbP9psTsQaChX4jm2ucCT.FQxqRuKRGcQ0C1i2jrjLUq3demlBWFqLx5a0kAEzGUYc__f4e7aFw2IVoNZOtk3BNWSGtte.DPaZPryjgXtkcSM1KasehPldz3DYc5d090WDeu3KuzxJ1e0WnFGjeudqotZtx5L9ufxWNECphd8Sm.tY856cMTkpXyz7XzjbymkYFKGv4N633HOb.ntzF1bC_HEB3Np7iLZY8h_ONBFqBYIN_auioMxtIMTXVvoEHIKxwXgCVhPr9x5RBtqbXfMCvGDzTyS6UzdQ3mmcqakiozGU2nX4uSeewh48OANLiTv8fdRceethbIptGFAF3ohJQMMQDehPhw2NIy4jHaP2.NHHD6oWhpoLITFPuu6z_RNkxicqEW61p849n67PDkAxB5RozGB7m4htTI1Js0Po_326iFV1AsCs.SMa25ndjC9K.5nP5kuFRaCKm5X02_5qna1tbnvqlKYB_hFIBcfR.NrzwjSR5GzTSL3.cWaINPihuJMO8tf3BF2TalGeU3YD4dgASDCgzZdFC0IHelHuhyMIOb8pUTumzrahbw42bCggCLJnHhLvaBh.XfJb8QlnoyYi4OoN4kQnFcFeX",mdrd: "fEN7yEYOY0tnr6NBIB9RbqQpHxHVaOCFAMiQokZ4zBY-1739402747-1.2.1.1-t_kqeSTlTb9rLqA.KtFpb.zD6TZduDwWfGCP9pdQhbPy7Eb0Js1WoSvw7nVaEMoQrvoB2jQPozpc3rkWmmGGPsG4RSjO8RlncsmYTVzfbQfaxsO08_UWfRuEwAPjPOqy1yt4kRTztzIHTMmkGbnSG6cfUAoqZRiv0pZZFhEJjJ5wPNOrXVQRwzHrN85zzFXNwOI3QOeg5JWbrm95H6DkMX7WE8bahpMqfVqST4zwNNpLmiSqIWbP6Hl62ISwu.syyyxciaLf3URWRLDlsLrvkj9mAEa3AH1cSIHmTfb_9YX8DazwsD4Jl.BYDQGwoCRghFoiqUDFOwIaKm619Zv6kmZjwHGH2EWkG_l1TNx57wmQ9wkfA2fpH0gLtY3u._QGuxRmR0MXtISShsVW39hTLMNpAZofFIKA39aLl2gjosvNVpHqzymrfr8USXfUEXY3fg2Lyurte_y145MSvMKi7U_koSuVNpQbbPFWFQFrgdL5QutWNirujuNeABJhmM5vDLdY0kzK4bG2t8FFqDxsYq4zb3dTdyNVdmkPYWOtXeEr1V92tCZKpE1fECvF4VhnStkPYgmdirClZTiqIuHxP5iE8_t2dTC33rntznd_l4TOhPp44IW7tTjNzS9AcwxpTdzvIqC7Wtut.ZaVe2TE0CXAjYED0GDN5q1fLuUFZfzMoiRR_0yJGLxrUCMmtp6iC6ziZqO5WmDLCnd1k.f90AxNGGbZ0DMmtQJz1_lXWY8aTwFwkDvFxKAB_TSikShB239TWdVp.J8o1wJ7zID4RSIImqTzIQPqQR4OQacmAk1NQPzkP1UpgC0d9bmJ6j4T1QhMxjz0nE1EyeUNJamTWprWLknXqhuBT1xD96Sq7XPZtqJx3WmM9CB3NQ7FmfDY2vFT9QGzjoN.Yix19HKHLJM9kdTXQpAi8fypW956dXTSRgifPnfCPub8h4SluL.Gwt8wygUDsGoqBtKNwReXPeBMgGtAbNhy2NNlutPCxjB_RIXPbFHAe5OtEKk0cQky6xJnR2bdvz_6k.K19aiX8MUs.j5UpWtxQ81EDHOdmg5qlwaEnSLPJphvBq2uSPkLYh2kIFG_FwjhFw6Be6XjsyQjYTwCdHKui2YBs6PfddxDVDd6XRJNmtMhlaG5w3AOCsvouDpuXX031WHNJXNFvVE1B8hdtlE.w21ReusieEKEIJHgzD2NRQ2_GwV4h7XYOEEyKk0jbeXOIvmykjEXk1jMJmdltRKLLWwxy683pHv8m1MhtDiu0UNdOby0Pc71EHfmsliE5HPws0_JC6gl6AZRYON6OrBLzGTzjGYIfXqYx8741tN2Qj8hFmAJjPS.2eJk7fax6j5hOjqLuB59khWx43BDbiAhsv9KeneT81TX15mtxkGs4XAlHM1Ofz9tWkT8IZNVRDKAdy9XrbzW4yMqolMKgUecBE2nc2crgbDIpfLTi8fTRGYMGlVl0_Tl1w9Yg6viunwXYGanKKIN1JNMdBhtyf0mfhiC7.HFVNhP_9tkHO2FuGMjdFgh7RfXSirENImA10swIAM7pOjFpFqOgNJBCSu57giEWjcVwJpNBtbCdJ_L0QLZvyt5lVEmqp6P1fX9ISazB49pqP1X9AG3gLKRkeVfMiE5jBaO0qIn5ZApg8VA5OCQl09n4nPiJqIfioIR2.L1Efcpv76.Rd8tB1_ApZfX2buU_jSpmcGCF.2VPFLFHNK.ZOPYJroC_Z3YJNOnic6R597IR2RgWFZ1dieztWzvMT39Wjoy0jDTna0kXVHc6GvMyARJuafnFryjVOelsswNY6Vx2XiXcQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911057057aa1d704';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\/5416097283?__cf_chl_rt_tk=mTIfCPdbIynn_bV.3Z.FglYTERPFfwVIAc.RULmErxM-1739402747-1.0.1.1-GLCHIGO7w47liyPow9txt1UwcZGoo39h96239HL.upE" + 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