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-989969412880.mit-edu.top/post/4509267318

  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-989969412880.mit-edu.top",cType: 'managed',cRay: '9107a8f91df3d647',cH: 'dztNPhiGwWvDelZqCm.x0WOwiWDuQnakCqWU3Cesjmk-1739311732-1.2.1.1-o75r5Rh.oDheksDg.bOAgYhKO0TEdFlq2tIeo6c0NbiO43Zt3Whd8xLtzD009qvL',cUPMDTk: "\/post\/4509267318?__cf_chl_tk=aCsICG.5eYv3owGLB510a_su4zD3IJKuwRhULdFRII8-1739311732-1.0.1.1-zeNt1f7Oe4K1wLaoyuS7hz9XUb_3m4VRYYX7AzMqZNQ",cFPWv: 'g',cITimeS: '1739311732',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4509267318?__cf_chl_f_tk=aCsICG.5eYv3owGLB510a_su4zD3IJKuwRhULdFRII8-1739311732-1.0.1.1-zeNt1f7Oe4K1wLaoyuS7hz9XUb_3m4VRYYX7AzMqZNQ",md: "HQsTBH3vDMvuUzUrKDB41hpqJAPvks.BCAPquIgiwWI-1739311732-1.2.1.1-Nr60uXLCP56hREN5zNhbVDMXiWW4Mx5v.6Qw3LNOb80OPWxbaCoL.DBtVq29UZXlopCGUkhzYkHskXUDHCXmPTIwu7dT_sP1M5cutJ8fso7O.lBRm2g09ML0GP7wyUlq1zzq9nfwqqCoH_l7T1b863sAgPjlcKizrFfMoWvdIdKgN0LzJt4uAYnXJ40zl0IbmQhKWjWmFnGZda3D_ElCAV4uWTlnQGe3GIG9A1K87DMeomLwc73KazxAJyfYH4FezipFXB1GoWjX7BcC3fvCycq2EjGJgg5qYYkmrm8CyxlG6.LB8hg4CbzItevhsc9KgOoWt_0UKULZF2mN_Cyjv5rCGkVcZ77kirbujTF6UEykYgzueyuR0AU.mU5Upl06Qp6nhRKpOT1msAtlfnjkZj1mRP1yvc8l_cvQk82DZWy_0rvT62MAKMikNhLS8N0Cyatw5fj8uZnzZ8iypo1qcRhIZr5gkCHXnwrh04oISU58UquyzKRiTCMxyAl93PJrMLEKvfajjQGM7u7nO8OaYcm4Bl1.MQ.ckedULL7DZ2FHK2vlsJyukH8eBC0lGR2L_U2sRE5IS22SFzbzYxquIAecqL44jR0AlhVC1aAh25tSWupMcSJ_M06XT9B8xlzYOB74BYm0ZAKOsLS1rAW2gMo7ZIWNdqBVXPclX7sxkgNbAE.IzZaXlXXP6mZmk8_.ATRv0SKZREqJUBZqoK2cEMK8oIVb4qiviZjOrE26FKru5vEOTlj6QVaWBsT127a52DmY__wF7Uf3PTEqJsTLHcXrrzWMzbq_.4hQYxVcd0d88QwaQwy77LRVCkQm.8KqQRBX28e468k8O4PW5yExfXHiEgyyYJgGL5wt_UeHBRtHWvLBXvSfoyrL7eupWwm6VKx3JdFHLFFJa.Ac6XAeapF85Y92eFZJpaZNGfXh.wFDleKK1JvpFlT3ZLL4me7TafwhiLLGvXLx7xxvChQ0UUj3Crr6dxlYoAZKIveaFGcIUWeJo9XzoQBy2mARGnqYi60lnlF1z04DvbUf8NAKv5Xxcvi580te4AxWhNzMGX6WIOXfLfig_Z2m_W_8.w7Ofr_cq8cC8Rio8eUuoEqXg9SnpQTnDJyIcKnsX.A0.eRylnl6z07aHBS1gK2N4NL2BzJMFIKPD.Hj2cCYMMpxxTFDEd4icykTiGi.n8w4nIX2QqOdyck4DSFIKzWRhd_O4ClXRGLe4NBgbxm7hxMwBbdQ_6T4QKgVWeBrmxr8sEzoFKV3OfD_gjh1GFWY3Ahj8WpW7p9nJHjYh16cQaoKg_bJazfIZRNrlgsefGvuSD3dlZbNMY3I6_Usgg1UWHQ8nanmM3eAfXdJo8yfNzpRJ_GTRWf75KTp1xeIvlg5Qv7uGgTHV6eRIOrMd9iC67KgdtPcJMF7wq83RKIOUzXFIBI_dOkRL7Svi0xNQi0ztfr.1dnlxrI_ZY2wuj73kagkY_XgRcFGANf2csweYEy9ikizS7Umi6Ec9EsFrhlWgWgYNR_8VFNGdY6EkcbUqu05.dOTGk3RRBo041hkRJ7aOqvGRhXRQ_iFwRJhR1tcxOgxTc8z0mwFrS3zSZk5zcMB7B7tw1T4Xm6QOMoaRyJnPr3g28DcZ2tC5uSctG0WfFXt_TAsPwyqlvXqDKzpMcyaHXQ9Kmm7OOg8_Uppe8gQZN5hzqi1ThDgDIqnNVlam58rbtDQyuCA13dRslvtk5sWJ4MXuOJXcU0E7uenWZ8etnYF4Qwk4L30Gjilz0SUqutecLoajsVZXICAwh1OezT0ZChKIjllN_gstdgyRVbScoEYNJ8OJww.B9kcJE7LNB6RBFXEmrAHqpNz3oBWZxDeAWY99BtqDzGQcXueJjcYSvkllt4rr7P0Q85nL.tAFthMq5ankbll4w2STSK6H7L595fb6uN6zELeoxZ6SyBCqMF48Hn1I2QvubYQGQwAwdiPXy3SvsIaRe.s87pNGDfgwo47Y6FftTOjz_mTTYwapKZ7nyYW3QfuhUXslqKr0JGBD7uJuK_Wp6YsyuN9gN4.Q03izCt0P9NMdgkVTW6wkKMXoUCPaK1ozjEQhRCTBqyEt1K7BN6k9RY.lvfTa7WgF60c_ZQAkqTSAKEUwBWajsWPmrgqTN3g6QuqnvMZ3lNp0uwM3VKptW0R0INdV8uNP7eAE0NWXigJhRXm_YwwDLKOV7tcy3kzV45ZSUeFfCjeG3dbpI9qddZ66m7vS8vn",mdrd: "M9f8FlrJu2x0PC7jeU._XyhI81p7dYCnIa4SinC3yQI-1739311732-1.2.1.1-8L9fg05ThKtWZSi15XZlNjyvDUCLYpkxMXxq3VAH.LQzJ4tQ6ZS4FywHOWsUKZhr7NvOmmyHM3Mjg.nvCrGbJPLJKSRg.q96rtypPekkTHJIPNfnaQhzSzXD52gbMXfciTPkm.cSkWGbGb4.NPe_o2jW10BDNCNjUyGZ380sXndaYiLSduBkfc7YQ0cDlBDN6QKikeb9g5doKm1KmMqFWn0qOTIIDv0Ik4Ji7ti7OitKupTNQoWi3_mTeYFc1o9aK_S7B7emZq9oBTFLyqRIm_1NBv_qAkSeLyPVPolKTncQ_UGKQBgEAtunNO0ZSxm.g2ohqhbKxG3s8Enn4kXhBBdJYJHL7FQOLHs.a0L.gxIKKkA_Sk9NQjtqpoL9rfWh.KX_Q5UVFQkYuvLAiCLUrF.6UEQQGX6_9iOnGwHN8CpBrKbMUI.in3ufGjhuMgHopo3l38dKiARiIU5xOmmT4QIJxVsU4q0FWarhaPZuh24w7oE6luOsriCj4StX15YbNGOtZMkfRbbckLIiMM8NZlmcI4mInF0n1hr0z1MFEUsXOznJusenvkN5FFdh6rexF1gqNcZk2lD3csSVH7WQ0BF4nVmv1C3dFCiJmzZXMKEh7sNqwMRghWoMAPbImh7emfYVC_gVUdBf6SKNMULHM95F81l5tHQcw88y.j76ADS7Hqiwomw9j5KbWjrd1P1x1cFpNUkgWIMfVzVPij00vpPWvkXnAfqsOUL9EAbuvS4Uv0CZr2v_5830_mTm7MDiXnAxSm_w.Aj6XbecQUNeHiNOx67_0Ep.T2WhRpW89Aj4I5D.1syRbc_w13f2fWQoRbVCChzqJzPn4H5E8tfOUc2Y2X8FqGQdNyKVu_NJEs.F8CH9ZHrWAvyp3xePtAmRDYawCJY4E6utqpFIph2FE576WfkAYXcHHbgo4264JRSik5AgLWAecgYtngv5pYahQecwqEc.2LlB2Q4kezs7ggIv0xIx3OFx5P3rG6ueecgjovclcJe0CLDHWL.QX8I8b8kAZOPVKbgqfU1kw1bSOFzdaPsV5JP.CECWoBIQ0dVrl0UBeEVRvGzzeRFS68fB4KEczt96XwllV6rHUbieT0kxDYnKMdAZHMjIRj7F.WJtI0GBHBVCSL1IqL9EzpAASJgknfFIviquKAvqLXx5Y84X2VYIKl4UC30e86Sdq0ROQdnUlfKAwtQbptp0gkTwzAy4ek_rcEr7tpszX4oR31BL6OcMcAn9tipq_KlyXdzPmVieVcjizr3hQqju_.HfrVG5xZwbETG6NEcgfyD00o9g5hhVacWgjUrgDDk8ahg_b1uJbGZMCwrgOLvG5trjls0meo4s4wFVY2B308hUCKOApXA14_LF4otRCe8FW0cRdEDCqDsmqbDiV7UDAxbYHPbjhBmbrbGTIm.PDpkc8pKR_RR.zgRAMPIiNnK5id7k3eIYqsX2OFNk.j043Gv1Y5r6tIcOogEAM36mr0DbhM9ZTcSU7cKua8Q7yhbq4Aq458X31JK_z3NKeqkfj5egJ5BKhjGM6KRfPhmexwlIPXKIr11rehMc16cR7QExEsUs1wWxjnvNAROV0GsnBtgPWtKSJ_1s17B3QP03g1ZD9g3rshPF2OaXkAIOIeO1fc7FmQgLF.47MHTdTsQm8qp_k0i87UuMZ.l8GNqSny7x1CeVHKeomz7ShSlK1X5eORj3xC8BsVdsntjwtxj_ELWH45J.q8PPEjHbF_e93eQ2FcCFkih50WidfpWBz2t1tMQz5A0YIoQdlahkVsZM7cTRRwWumTYiFk4wKGNngaqgcPKI_RmgjPyuIBGdlclVb18"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9107a8f91df3d647';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\/4509267318?__cf_chl_rt_tk=aCsICG.5eYv3owGLB510a_su4zD3IJKuwRhULdFRII8-1739311732-1.0.1.1-zeNt1f7Oe4K1wLaoyuS7hz9XUb_3m4VRYYX7AzMqZNQ" + 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