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-050334443290.mit-edu.top/post/7860219435

  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-050334443290.mit-edu.top",cType: 'managed',cRay: '90f6ab031cbb080d',cH: 'nzp.zb6FsytzhQAbg1G3djMBYl6upKA2FNVGuRYEQ2Q-1739133558-1.2.1.1-zJaPujX.7y4fBRLpyf5ee83G7dTe0Tynm6FcCEjTuJ5Qh7YIS.X0NqefE8fYEE_G',cUPMDTk: "\/post\/7860219435?__cf_chl_tk=qPj7mlaVtSpwWVC0kts8iX3yPwesE90RN7CuSYUvnS8-1739133558-1.0.1.1-mlfqFnlgkXc2rx9MBaLfy2Zpe5rdF9sXbYJiPYykGfE",cFPWv: 'g',cITimeS: '1739133558',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7860219435?__cf_chl_f_tk=qPj7mlaVtSpwWVC0kts8iX3yPwesE90RN7CuSYUvnS8-1739133558-1.0.1.1-mlfqFnlgkXc2rx9MBaLfy2Zpe5rdF9sXbYJiPYykGfE",md: "EBI8yrxf85vehPl3Jik98MNl5HWyOvPL1vuaEcAfsiw-1739133558-1.2.1.1-jVpdiu8uNLWZIs2tFp3_9sBAV5_dTTGzxFAxD.D5lW1gURycxbCwvPqqjFhGOCuhtHSvyOxdpEnh3wjCHSEBwy0BuLDjPz4AuimFg8fxHJ34XLiVwgTcIwsiyjS2_mgcP5XOEGRVSP02R7oSnGBAWW4EyyZMBFDeS3K9sU01oNvsrLfmc4Z3Gcx7YdHHc8ZLyK4V6NbzuDGdbNHWJyAzSf8uRq0aAAV83J.Cqmujr.GFAgDOFgI4WB0.DdxhyU6DpbjX5khjuxK_SFEe0kDfJq_8aylwmmimId41i9HIVpPzLDtrOmai7j6M0DJNXVGJ.6ANlL1ytu5dxkvOh8ah_z_uNMOeVEoi.Lqju7mfI25vXvc1ujMjUjgG2cVvtgFRgxHq9y1wJULI1sNFF9x8pkMyYKGID4qkzM4MY5y6vCF1Ndv5yMdpON0ZGd2aa6VeYIVDqMI.MXThpaIaP5jUAednbhWmbVdGG2wGcmmDk_58iUQyo3uocD50p0IjEH3YO02pyqTC33vbhTa32sdcCRphY9ZdZ4cf5.sPNd4JuyHygtFDykOHNzOhaB7u9k6W4EpNaEfVepmhsatU_hGnwLw9i2t7JTcN2zd3EZSagMBfAg7tmNi1dCWLZCoeg6ZsThJ8v8kmp7U6gRereSMw5mCtC1E7MTIzwbY9qTKBZ3VStg494j_3foozLugj8sLYP0pa5rbJeb91xECjd7kYqG2fM0f3rGCFUFsdFEnOJKqCmAIrot0qtttDUsf7k4GNKL5G_EF0LW4NNAESI54quBjuTSsbj1cBuopDikOrESRi4xb5C.zj02U8IXLCC17j7oBd.2nVWHHCBPGeSR7MAeAgi.zZ8bxUJLooNmFjjNcn6Mo3pz8lETyv1n6oXbQz7ti4YR.b6jCqx3ayV9A9ujTCzA1N4jh7PPcni_HV1AnwiKZq_6KOVO18MJigy8v8VADqyS0j_K5_pgRtD57w.fzhrtO7d7z0mv0xlgo330jmHfiRh1SHt.dSKHNffyyw_oom5mKFvdchv7mTqyD7AEH9wx7APRkVl2oMMUhDKUTBwRXHlkFFiBJmQR6I6zT4HoGhtsHi3f5Q5EOf_EGq5PW1UwVbMZ0Yvvp52WEARkivn1yFEhhijj01vRXyuK_czuMMWqQD0wWfzNLEFkrM6j4koig9SAI8BTDX_73lQtv99a0eMeLysqlLrszKxL4MklTNHNq53HwFxuZ7Pi9F.SIsoI0v8RubKs8hfvYMVPEefBMXOlfNc3mcucvrKpSTIyUa.tWpm5259l28XaS7lNRBL74GxI1EFsREjdfjdhDlUqRgjgi8G2i6fYiDV5u1TRs07X0Lv7Ns3Og9e9ZrONyEBgYls7JQp7m5NWb5Sm1YB57mEfUIaFYHPfa.MoeVoMVYUHRgZ75.JkOfCRyb9zNYLn14JbVOEUQMwOs3Sp_xrTdEpVox7DicQAOSqN3wk.tF0bSI8chs546TYn1uNQ6as6Iy5Wd5e8_AyjuH364UgJi1n4kH5ZfysjfKV8AoU77Ua.CTQJkGPwH2JFWtL5W7K6VrpkIM2h9zt1vx4phOjMxm3QJ2ms0.i3HIvNN8X_nT.MrWemWsD08E15ZjNEbP71brQSHnhnIaFBZ1BX2sge8H0.eJ3sH92s79fbVxYRDVpuznzwyfkStNEIyUMQRbQzAyBN7ZeJ4aJMbR.qNDWOdaph.3PGBJxH915wIaThQjuGkhAZfvSgphlq.TA480Ag98_gbbFUpHFGcSJhE3bH4qEBINsRK7V8bZeLQMQNaNrP08cvaO00WcB3desmw5oet0J04bFEHAs9ajwlxXF2AfUyPoqorm7cC9SscFQC8o37R2.xhXV8OLoLMrCNeTIMAAcRJI2xqtwUEqXV9w93oMwEYeFAL6PEfaj2W121pYiXZqolFWvi.5b6Tq13zdaxfuneAZaY.m5rdFWcgRl0_heAf_IwtI9oC2xj89HUypqkLTlJlEyjyVcy2Yg3Uxpubo1_47hK4bQj3fOF94QDMBgvZWysqAfnpAtNjCTSUiWwfl9M.fCRJR0GFi1OehpR4JYh0fkq_qfss2uka7xi1Upgk2OkJrwEOieQzsv3FZ34io3Sz3L2bKhPBIhrnqWt3nyguuG9zlsB5YpiQBZQAIBKi18e4zIPd7pKRTCzuDG3SiMOn406vooYdhqssnvTwZ.IQFvA.8HnCgIhOUovEgDkTsl.XVwNy1_zEj",mdrd: "HICESlxavo96k11yvcB3aUCk0onjAulBb9aeoNQqd3k-1739133558-1.2.1.1-3iH2QSPsAjgtL2xEXEcrjzFShJd8puAS5T0wQZ_K8T6RBeldFcm8bWB_HtyDSuFMB87kDmmDphKqFziwxHla_E8.hn.T5rbOlmo7TWwUeKDHLoGuufsFKa9vlKVPK4_a0u2R7u8hD9eNa.NsvttKxwD_3PAK0BMgHg7FUnhrOVCYwtKXokuH5t8SCTi7lvI4UrSDbnLuLJ9BqQlQui0M4yAus7box1aOf.lbH4xp3tEd_KDDXg0psfn5pTtqQSdRH2DBF970mkvuiaBynELz0LSMYuaPBYSN.tfA7mvQK2jkQ5tzLHkAFvDwRMJd67DelQY8J56ZjdHK5gGG0Ncx2K2svOKfM8xQSDCqKxdAEjL9hZKrNmQukXAkX0u76JrdZPODXzSb1vmJQNjX9cncO6MqnxOyOMr2EuZHExA38dpWuc.et3jmNmu6eZtvAM5I.1Fct9pwEa5E9wAlcsmC.P1XDcfVP8KfBv_hyTNvShSPl6u1mmCBLxukdCi8ABgXrXo8x7FYdUKXo6SSAi_qTSIwdJti0qN.sWcvX0B2BJzu1G6oo40H3.tzEZaHl_DO.44VFjamv9SBu84_ff7uGP0KIzXc1JUNKkYhvYGhcNePJi1z35GsWSsJyyzOW54c4UEUdE9rJniP81L__wSf_op6BoYzjumEHufAChkSOAHW7pXKG_1Rxj0BeANMDdXk5Xcy3Im0yk1o_40_hNKRNLkZ1edbBgkQ_iZQX62oA_Y7hXyxO.DxC2Y5m1rhuwcqE35UCUf6YW9FmxCSliONWrDNziU8HOgwXrBzcIGZr1.q4LJMELdr89Mnf92UFk4qM1h1A4BUpptsjxQr4_sTxnVUfSEicscNWnUDNvjBuiZc1AXIRaZnr7LVnyR7FzFwcFVocb53vFA8CGAVG9Kd3crPMgJFCtfOq3c4okhSORR_dk.67S9yqNAcCAX1RklqlAov7N0zZKO9QDZEifZU.pjgPtnb0PJyoqV2sxj9cbWQxstxO3PhtyQNt3Voa1xGG809dGnzwS5EKzKGEFzu1Umfq0RFTF1CLOBxn0NrPR0HYYwL2DyUemOglvNBGjZXBMyy9qDg8dnAKwCIXL3et7.YO0_xr_CPAhlTcbTcxCpu4qac6TYuM8B6xSVX.5O3HuIVKqq4CJNBvUd4qZlPrp_UxHSsa8TE3mU2yoZd3qyBpr0jt898Fkme58zSfFIMUDIfGi5OsPQBAp0kUMwtwwlk41mHMEvfM.nYk6DN_JR.85uZABGYSCDBlM5zDN5PNtX8dmBeqPaowP2f_wVa0j2vBC_6Q7w1521BMiCecxo3AcZEcrAp2O8VX40ArBZUu7JgAPR6nZLEmww_aq1ta64IRZfFa7xF_rlb0X5T5CmO5HV0TzVpRcMst5lCv9_5NdwHf02VNCiqU91v9Bnspj9CPVaqnc7HPmiA8u25XpTLGf3_4mc5gZcUkKvOCrMYajMGqCfd55jXIBPMvahAv8nscNYoMudC0SyJs4Ww_fK5qS1j500MypM2KE4mfy6ygHq5OVBMQJp9RpUpIjj1HrM55lp5yT2098LtsIwfWiPy_2gbVIq9cxNAwetkjZAXDegQg7kAOo3Cs1owPit_Zecs.bDJcWxIIxJweTMAmwbwDyimAk3XX.KOh.gPNay06RB2q9dREhlpfND52VjcukVRXK5kPCdf14gVdPnBlAGUpTWDjUpPwx9igdL664IiZGDWr9nmeh0IAUQ8ASmwdmdedqG2_CaHkbcfCrCVESzfLWcGppc4NwvDb8vuBiURvJJVcg9PeS_hX.ZqB4fxREQpBgclznszMtZl8ojirmY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f6ab031cbb080d';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\/7860219435?__cf_chl_rt_tk=qPj7mlaVtSpwWVC0kts8iX3yPwesE90RN7CuSYUvnS8-1739133558-1.0.1.1-mlfqFnlgkXc2rx9MBaLfy2Zpe5rdF9sXbYJiPYykGfE" + 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