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-499167908052.mit-edu.top/post/3790865124

  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-499167908052.mit-edu.top",cType: 'managed',cRay: '90f61d4bd938081e',cH: '80a_Mw97ekhBMeQ2CGacrhspC.oTDBYaYNQ1AaQ6ppE-1739127753-1.2.1.1-5wHNha_G6msd2IwXnfVq4IakGHSlX.WzyoewITS4BjLdTFNKRrJLrXdpruQDSCW1',cUPMDTk: "\/post\/3790865124?__cf_chl_tk=NaHqP3qWWkbhoU__uIKiwlTq1P1VxXzBM2xkK3gPxRk-1739127753-1.0.1.1-cSwTfgUhqii3x3.Ns.LLx4fL5dvzo3yLVQftxi_KoIQ",cFPWv: 'g',cITimeS: '1739127753',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3790865124?__cf_chl_f_tk=NaHqP3qWWkbhoU__uIKiwlTq1P1VxXzBM2xkK3gPxRk-1739127753-1.0.1.1-cSwTfgUhqii3x3.Ns.LLx4fL5dvzo3yLVQftxi_KoIQ",md: "qe5wnbGORRO4gcxKDD1yZcDCfBj2TBdcEpSPiHtGHx0-1739127753-1.2.1.1-ZZBPPmiiWN9U4vIGgPzUmN8ybLjQk1u9YmxGnW.MjkA9I4xZeBVXjVoubkbTC7KbOgNajvT.QzwcP81TqkOt7OVv90_qduSaHR1A4h8qW5HnzhZdlnfRYzdFCVB4cG9scj8F3di8pFIsUji8x06tn2hBOcJOLXDyWQQ.BD02l_sU8dX.ZQ.SlwZKGfv9hYmGng.QNekXHy1Qg.ZioHVJVsDuHOuEQw6LnSJEKCouCOOsWrXpDBNBae5XlJiPReX90EoStRt4jRtf7rAgDwElxlTJifQlXmQz5AWmLAhL4AOw7RsxErDjeo29EjJYARyVMOOZugiRXc7LsoGk5dZuJyzoxzPpQ7tesjo9x_QIaWrPMEVy1dKsxX7QakvSarYVi9T2hiEuBAd9QMwlaxL.SqA4uZdIzkCS7.0SI05gSH9dDo8FSTF2yUOENLqiw.25ao25RcnoliGW1am6Vd0tmbY_f7GN.BtSz0_a.4LexKCxIHXdDERM75ZsfTIUhNRpEaW4jQ8hn7A34PLSItb3IoAZjcyQvYwTiMZ6FJ2Dyf_ibkcInJzbm55.uOxloXu.Dvb.oF90e0fNac7VpsSApc32nrGWhdLuA6oH4FPwTdSnoTfVO5hxOSB9.SJE9WMLOYR4TMn_29asgh9NOE58uvgj5_7Cn3YYNaM7dhktsHITTwf8bkBleiEkVbgFFlofzgcOi_UZCnx.eIWyrdcNjileg8KtQrC4kpjQzKTyHtBJzfY2TYfJarCrwBENWcGkeZuyZUWybQFDthk4bKIO8_lYews._Fpl_LTcv.cSynhsxDoTdmtf7hloZ1gOryO5Z1CAglZbLZcnwSOAVrPuwiRQ9PUUIXfico9EvKDdkey.je29VrrfjXQKAvOxLpCqm_hzBahxPfjPyY5tHMLuVj._72gE2liNwBTiNMzF5shS8Mm2Q5IaJ3DYLqSxqKFyRL._rVnOlTzlWqYziLec9bon_pqLHkta3tYMaNLH8DcCz9UVP.VG3nDe7zZHqCL1HK7wCG847gWIG4ymvMuZ7cCXsax1udTGH6LssIaucrVHYqWWJAZiDz1nWwPMvWMCTZvnGRuSg_jmQXwG6j6MZfeS8A_1Kv4yHv0A1lL7SdBb9x7Vhpd8Rs0c0ZoowTEO7B.pOl4RfOFf0yT6s6nGInKdBI6guuvks.P1QfM2O5Mb9wpv0PMo1hWH_4ipMQmII2KRANqFzOMDpq_LpnB9JVWgMfWsvska4SxRR6czTh4vjr8vrclJvKzgu9UCmZ84K8fd2K63jyGKIwy6P93DjwTG0V2H_1GQikuN9Jw461sfgPcYYzvOxFHFwnI3qWNRfO.YREGVv6SscJB719hf_n7PrhkvluMxuMHPwuEPIo0sPGPkLJn6R.A.2PeQPmdsTNDTja15yKzTbv.DQkhLq3CxFvaQZhy3AgsTAUydyR9dA2wqbgN03sD9FSSyv6qBc7oLlLZuCWCbg9dg0oQstNpZdx9_4AePbfmNmzuOPFk2ppnOxsNxLEe9SjFCxp.usNhKdgCn2JqO8Ecqruv7iJPsqdxTMaeNgmF0WCRZKKJ.5mnINnkGLfEvBgGzYpM.U9r5bq5sCniR59Q0wIOxk7DK2CzV.iFppgWDLVGA_Pndl_wl9LGlVQuHaBVMYRSboYk2m7NJ9XNw6ljh7NcgfL2SiE44qot2D5z9KrlriLGfg3b3mF7A6eoN_kjDUsjPSSM3jPo.IPhUfP99wYmXDsiSK_6Y07Ql2VdZqZdLAxQaz.Yr66lesqbRg2eTJrLN7zS0fOZh830SiJARWiGForiEsp0CyLTWdc72vxS6cmrYwusObBbxZmKkCDr.ABcvQFKeoLrszGPiUNVhpHR2FDyFJeRca0VSDmm4DHEZVc9lHqfiFkb4.50IBOubRBac40u.WV7zx1nP0u7JR3KRSaUVg1L8pAxlm8cvhtXjxzxaTyP3cl.Uxn9ujEB8yeLtwbd6fsCuEALJAcOuUxbvmid9oYW15WbB_qLl__Q8jlvNFDavY6QdVfGIKGylc.O9lTBzptH6eWBiRRpibj9VGkK.QCFT1cA4s0ImiV2ZGrL2KocLAQBW_TuBRKGI0OkAsPXQQyroU6wsVy1CqIMVSx2JURjdHHEDRW4V0QVpZieXkt_bzp5oc7y6Z1NhswdwSmUfsAAdiIqydgF1eliY40MS.8XTgolhKzBSXPNhqFFJs.Yndr5SNne.vRNM0stW",mdrd: "teFfqFM7EQwno3_zsdlvC93CdwPjSZNB4kx3oZAQt8c-1739127753-1.2.1.1-u6bL7X3VJT_33UeDNtXbR.GulsGt_60BP_7NlCmeDZ2gsyqTGiSzK.cifXpP7DHgtC6iHeGlX3G5Vw77lg627S3RN7xseOJPvbRyjWHNXbHN9_FfEnrPZCB0Xe4Z4PpO4zvgq6Kqe8Ned8BV6TcIk80chbEvzhISwzyDHQpNG3UbGAwoTjkJWqpiM_E.8dk2OjrtWBbaGmMav8AlIHp0d2eeoHS1lv8TlloxBIUEY2ZQRHk9K6x0V6XPyy7S6F5JsIGTUHY07fDAROZWbWZSDYmao6tjv5CZjpRkdguqp_pUvEAsU87zrYGcBBi0tVUdVeDnA4MA3SQVLg47gO3KsvsKrjFfKSTwVNpkMPO.eZKQAdQIJC_slsMy9Iv3CcmhL.aMquVubkFsmfgxz7GP14HbaRF7Nl9kfvycVfbXVHtYuG02V1Rh3vMEMaCYKSgXh2rl4iBDJVVmFiNuYBkibU1UxUypQvRwCKITCZFAajNr_I54zCWewD2udA_DCjczWsLqrwEfZBx63s5KrFexbxTyw7VJdlAjzLEZ75WVWcRuhxIg_7TCMVSZAxHJ.1F0qWTxE55SIe8_pTCFZFBf6TIxkceQ5A4.PZiICHjNejWEppTflQh0uygNkKTajlJonAV_WP9ixAtIgS7HvCHVy7FkhuFXvS6LlfCHDsT6ONAHQiLjPkgvj9_rm9iLf09FtIEBpQLbPNdYudNsTeXRb0gOaJGnUynJnL_fUzzjWwyJluSBQLZ4Pcv9errMlF3BFfTH.HuQsYGkTcMWBEOeQpaTMcmLiClnSjP5co8pzCUXcyS6JRuSzB4CiM.mVtapPrrvi6xuo8WPVFew25tHiUOrjn.BVCb0BtLHPDT_.JC595vawYd5PdrzJvgjWPcsb_C_i0h8hD.TZl1mjWQUWqFt.62_B4YEB9yr0ZPcETrrTtATsQh4htTnCTj_dSmtU6NHp7IAlZeJSd82w9EUw.HMlQZLnIPEVfgnVns1KIv4.tNG7aQq8X64hrDJyBAA_0dLkwHRCVCxSiDATUsdqFj.vgmIch59ipI31qUefu.45Yrc5lD2PIvsACbnNXXSPXQ7NKFnuAM4nQmp2RxS7ezNqFzB5hFQerWsB6nlhlQAH63d9hPSexK1D5Id91ktvPKdyLUS_RMx2geNDlgW14srl777b1_R24EXEfhT0yl4cN74tSKFDJn8b9R8gqAshPoMTikrfvXDA46arfDrOlm6dx_Ib_H1palpp1SlYGkFDSQOu6SWux04Av_9FzFyQy3REqwfFdmkDXhD97G7MAOh1mff_ei7jd9IBvVA.XAnp3qgCZj0LVqGH92OKYnuNszSyJZazv2LV65XzUiMdR7PsDiieB0B1xGoGa_tfRN1bP8sYNf9WGZlq_B5WWkzFPisYzWNpItVbyi5wh524M4s0TCXURowIrkFgCra12t3fCAks_JGZ0KW.FjNXVl7yRRdSjtAmXTbwQTGxPCV5gayOT9LURhB_DKdSV5SlrQPQ7xO0mRDo6JimTernDxZ4TvwbcR6Nu4d0ErtDkHKhlvi_92zFYJnL38dIyAkIzJrdX94RKb27BQVv.RvulH9g2w_DwGvXwvSqOLdCMD3PTMIwK_NEjtzCx6tr9hGVK0I7ZS4_pcvGASb50VMniylX6fr4IW0H2PezgAPrKwKu8JqDpWcX_hksx02FK._k4cHgDFJ548MG9sA5X9BYWsQgj1z0hOlkyCsILBi6Np6573q4kFCkaAW.8ezNxCnAS2nDuoSv9iTQFc.SHpe7V7oI2sljeFGiXZb_HyuJ7BOb3SBbzkOmEDTnfFVp2sgN0w"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f61d4bd938081e';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\/3790865124?__cf_chl_rt_tk=NaHqP3qWWkbhoU__uIKiwlTq1P1VxXzBM2xkK3gPxRk-1739127753-1.0.1.1-cSwTfgUhqii3x3.Ns.LLx4fL5dvzo3yLVQftxi_KoIQ" + 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