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-336668627443.mit-edu.top/post/9570641238

  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-336668627443.mit-edu.top",cType: 'managed',cRay: '9110c8dbfc51e617',cH: 'PQCrMAjrTYSbUaAxr7i6VyS.p4gxTQHmiSr48VGKJPI-1739407410-1.2.1.1-gNa_6MGRnmO4pP_r7k30NtpWDl_SmxhJPmW1IBXb2rfa5iCvXX8lPMEh4ZbKefOM',cUPMDTk: "\/post\/9570641238?__cf_chl_tk=Lsy2Vl2XC.QgcQOqWC2GvK9bNye2ZEQrZcgfQCettg4-1739407410-1.0.1.1-U316GtCBZJgEnaSG5y8N8ljm723x99MUb.wLGDuqQwM",cFPWv: 'b',cITimeS: '1739407410',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9570641238?__cf_chl_f_tk=Lsy2Vl2XC.QgcQOqWC2GvK9bNye2ZEQrZcgfQCettg4-1739407410-1.0.1.1-U316GtCBZJgEnaSG5y8N8ljm723x99MUb.wLGDuqQwM",md: "C31d3EFJGarnqK5s03MdntFa4TAAi2zLwaNwf5jXOcc-1739407410-1.2.1.1-.RkuqtLp0VbPTKGu4R57xh2MfuqevwA0qDuZ6xyUoIYvpH1wRUNcGKQcz9hf_6a5sznoMZGMNbkYU4bwQ0wlIsym4OmW9CFYeQ4O6l8R6sr_HT944qGLQzVrz6R2yOaDEff4RukasoLoAcZz5hHMnzmbA0JtJVmah0nY9EGItdKK0phkGk2EAtQN57Hcmt6G_b5puj1jIjivSxaIt09iTIH0k9asoWyz6BT46gEgt0fX_BIpuFBJIk2OFSahs6w3aa7ksnKtYs82LcOIHjGxxHdEHrz7SRRC2draejvM8GZPpOiBe9Xx5KLCqSrCK80CNKs17jQolVZaW1skdEpHcokemVXbBd4_vtBKfSMZD46AW9Mv7udldR9NjgvOmwcZTS6GrOU..TLO0cXMeLjKgRHVoq95Wp3EM1NMg1fyvKPea7eizmg49u7VRR_RX2of5y4nXJBSiV0qTI4yjKC8rKXwuLsUHTfVx.WAxG6Sm2Tl6iXz9.C_bdo2NM_zw6E4YkkkwVg9MjpACrSrp1axrsRNUzbMl3GOD6EjTKIKPTy4P2KHxy35sTcTx1vgEVoXNzQ8.HMspJjx9jSmTl_6TTxof2Th1y3LhNM40GQF5HMmruJsQNYiHy0AwGHRidH2Z3nuTeMXDNkYhUzzHn.23EQTKWyrepcFn_8bqs25ZpLRFKLLgvnHjhCTdmvl4N6v_ihm6wQKwkaThtc4fKVJ0tLmTT6GRaw7qnXLHaM9_CJDnl7umCee9T7cf5oCCXFux51wwQXF_uAymB_JfmT5C9rmc03a__L2JQfXOEkHlZAazqbwuhBv5nyPH_eIWw4PUxsvtzsEajJd_PTQF8xE682kcmmXdBdrvvAH1JOFrf1IDfCMhjiIzpJIeIUUY7o_oQ9D3fn3UJH1S8iqvgumAmoiIDDWFq_Ugtjg34nufLknwGP9ck3uRj0XwCIgbjtyt2EJZYW1fn8MpkK7TWEchSEqh_ew694J07Z0u81iB86W_FqghoSTwLeGGjQh1_QhwC4Jqy10GhpEpo8.3dCnosxAQR83pucb9sjGRTm88FAu9DEmyE3NCgtBesr3vECAG.AmM7o8mzKBvt.6CkIMZ2UbIP.d0LZRkKtzrwecnXen6juIhoB8e_FYoi0Ul_EVD3HUg3MbbJmKuKR1FDBSkIFqmZyyE3nvJMquhZvYOCkzmt3eU8HuIWiJllas_IancBWAQlHe0hWVIw8nQlLltnIN0iGeaR0te.J.ITBDyrxqmq_ic77wpd3KTT03m23TbhCOv7V7pfr1tMu_FRdxaCB0WaGQI.Jcs6hHLVAsa0ya0cbQmQD9bHwXfB5ldDpdVvOMDYMf0vtcPl9r.hyPoB2h4KfSsi9m2Ok9Ht6adln.qHnkTgcUONMfz2vxk2CHNB0gmowxjV7lRuA_.Dbu_bB7n.XMvZxW1BxRiYE_p82pxPV1HvYM738C3KErX0R0x10n_PO.g6mCDRPcWyvDAGpsa9RZeJ.3STtKz.wug2_l6fTWFCU8OoUa1kX0an4JPQLxWSLIe8.AVEPJTBK4Q50HrPcM5htzlLRpuQwY75Skn_fbY.BW2aq6U3iGJ9oCXw7sNujRNxHmxLKKk1ECcRmu9Cwk2O_qk1k7Itr1U_qJlcJj25IRGHSuKzZmr85oMspgCVHsc0Tqsi0LlTxXFYAiK2ybNnz2Khs6sZemqw034DFcYRHvI5hjziWlMphNiuiVgoxH9IGC5oVntrxU0k2ONrxYXtfWz4VXdZaIAxxgik5OfDUBtXWgVXB7IS160hdTNdNy7wnZGUdXsRdva19ZRBr8sGXC0udXgNYlx8ThgijjiJHWMYPHFaKweNs1xTppgfBy3Nk.Pwabq9CY03pP3KW1MbmJpJy_7s7qjHs3CGmhmzS.AwhgE59QEW7BqPTAC3YhKCtnhCmHbctAmoytLk5WyhvPDsAEqWulxha4FG5ut3qLFJj8.ZZZUDsPR1tv2yWx9p5RH0buC_sj47zUTEfEremPlchkvViVlbbZZAPH7eFXfZyIav.37I5wB3_8VzJLR.fDK67sZP0kxghFbYPNSzw0zJlpKpkicWGNI_QhAeMPoGS4HoY88WfMGgH6UUV2vee34KAIedohVxvYLejZfxf.OWs1ZaOLe0kjwEdwoTtKKIqIl.4ba58icBpE4tFS4rDsteuV12JrrgB2w8BswM3EDtODVBVkppvHmCHuwrzmBg3.dF0XyfZN",mdrd: "55XLnzbvM5_BRG_ayCuyx4yg7XNXT6z6CIJ6kSrgIZY-1739407410-1.2.1.1-OJNey3tDYwvjGvv0TV1BJe_d3sJ9uDlqzqsIGBATEEwnBykbCBQy_pHiZ5TS9ZYk5ruVoVoQ4UvNdQFSq45SI_APyGDQru4hYn5bCHsIAgQvmYBnSSWYFhW37Yf_dr9aNX42PMBIsYCrz4IBCl.KyOPmC2hxrlu7njMok7454S21OCGHslwFOgBY5OfX2j1Dfm34883dwvi.CghwNlX2mA3IaeIRrFow5lJj6ym.EKBpQTaybP3zCqbq9gFQEm2vZ126Yl8xiVsDRni.4dhfJOrvUpYWm3SpSyhyZbdWvtCUtlXpnXc9YgXI3HHUixE9TwWNEMKCd6wk_P6QGcDMPEY1fU21GKXQTxDSdb.v_.1LN51eUeSR7ZBTR7u3ceSd1RhRsiJo7bPA2mRTPJs8B9_iFAiORMbB8yFzm051L0473hOfG.749DGMnsJBDhFtccqB2QMTNn.HTaMmc.c1lGBRGozT1PKDbncNPVNl63vZ6X_4pHWgiewibhpEKCCd047MxN.jFoXXO8ge0vlbPPM.8VsoO78_Hn54nzQhc0Tk_vIoTax1UTMFLR7irk_KG1oL6ouSb2SorbFpakNV5CodLRF2By9SRg3oXtOgcO8_zdi7uPENU_cQxp_uHeEE1oCyoFzLbOEnsNGjqehopzsHMdcQ3TNYcJo1irodtXFXQ.EVGvsklkWw3SBRqegrs5GUuKXEET2tivzux0KgzYrqVgGZ9a8q.k23H_T2L7JkNNB29wdo6yPRJ9j7X6liQvrg1lnhUOCGqODAz.3RqELD_IjoHKZcY1jK4x12KPvPbscNTgRVaa2LR.qgmfIqJWuyxS7JP9fRzgMpK4gvzTbPJSXUwHGfj4OblmjqYbyooYmz3kH3EDqoqRG7.2iiSqSSE3tgrvGPUcopZNetH2RUWYhV2c.8obtqpRJ.IaqpvRK4yYkFzejWppACX7DYDy6WPXDxVwyO86McPWNkRLfUZFuPX.Lcu7HmYLgSm7fY9o.YvI0B7_nXS7qbP.QMOTCRaUmE6uZx30uKu6gAeT3iuNalIyzbI9doZEMk6iBSCl4Lmkj8K4PdYMAfmaOxoH9eFGtP57JjEau2jrC0AjJjf3fA4ip2_6q6jg1dSIK_L5q4uNn1McG5tMr5ySw2x7vRyudcZoH.MneMZe_fAoxeDf9TzzksnxCSBmw5N_GYgHbRhZmlgsVxg7OTgyRyX9OvXPTmxMhkeMRJG6ZrSep5tYO_fiSQw1rwjzDhfdbwCOY0fw9FtS2fGTa93cJ61uTqkEVpkwH7iK_bZuyTagsmqDxCM5pBodpJ1_6xz5UBrgB52sEB4fLhrsO1.BK.Ek880IWG5QnY5iejaZOFQsCOHYvJ19bOOmgTZ57nKGCnMb33LkHEKniSZAi7peXBMoZMG4w6uFysmurd05iOqQ9EWlU4L2l96fS4h1UDG3xtuM4ciK18iHoVTv.SK_wqdX6HyGapl7tCmvD5WFmKkWloMY9AkCY4koAtp2rS8Xlv7.9t3HWwr8.K8fvzV1uZ5wt9D61otd9BLXwPe03gkkugIwumCeYo9FmugTF63zjrBH3PFbrcLZerQKXY0w8fiQnqMYPmQUCIqoC9Jg4NnG7PIYbOOqfOw7H9de0FdF1Or.ZbSeYAhHmQbBYRx2rGKkKGHDuYI9KmbtPIZ77ixTHaJh6M2_UNfUL0a4IFDcgSTtnNnjd6oDGrstPWUXRhRr54Urf5f9jKxd8nt5p4_UfC41l_4ORQdlt_wnw7HtBXpU5u7AjYgGPd.zAqTDgnbdwm3NPLMzQg8iUINnKmGGC4mWb6_hHO6lzsa.2D5nI"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110c8dbfc51e617';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\/9570641238?__cf_chl_rt_tk=Lsy2Vl2XC.QgcQOqWC2GvK9bNye2ZEQrZcgfQCettg4-1739407410-1.0.1.1-U316GtCBZJgEnaSG5y8N8ljm723x99MUb.wLGDuqQwM" + 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