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-605664021535.mit-edu.top/post/8513427096

  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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-605664021535.mit-edu.top",cType: 'managed',cRay: '90f3a9badb38174d',cH: 'iP7N9VKok0cK8PgE7CTye24Dm2HrHF8B50uIbUtG5p4-1739102048-1.2.1.1-DpRHCMXodCO6SG5fFtSsZueSnVSj90twNNxmCQcXTi90me5GWHcnQlpPFazCJlEg',cUPMDTk: "\/post\/8513427096?__cf_chl_tk=DeG6zc.iSG9knoZRBJT5c2ngDuexbzm6Xn2cxYbYl5E-1739102048-1.0.1.1-IVV9YXXmBqcmwjSHF9Lm.OCueK8Frx0tA7_SnB5G_Vo",cFPWv: 'g',cITimeS: '1739102048',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8513427096?__cf_chl_f_tk=DeG6zc.iSG9knoZRBJT5c2ngDuexbzm6Xn2cxYbYl5E-1739102048-1.0.1.1-IVV9YXXmBqcmwjSHF9Lm.OCueK8Frx0tA7_SnB5G_Vo",md: "Ie32IvS.y0E9XE9b5Eg7le1nIEK6oxFV6uZP5FDiIAg-1739102048-1.2.1.1-yk7Iwyb4wVQ_.QFldJI.KPMaYFCiVmaGQGx.E54j0jgdE41V1vDKqcggirrlq_ELCqBgmGFcdq9r0ps11XCW6epDeNU2U5bdlQeWSwlT4WGHEBTrPn8iHfhkWhvJiBUqWTxyqHlz0gvHt0XsrSlG22CLwvDQp_DvqDid0tD9jg93vvnBXEQi3.mjyVHDJG4S8N29F5wo_Ff6H5G61V5ucJLhY.34DZ8CB.U9M57KnlQqP9XpUwyzOwAJHYxN1TaZIsG74JsZccHDINBJcgP5.2zMqgTajxUx5HWoJaQTOxTu4ZEpfUIYBuwYoQqiII2dS4myzRibeD2PrlXffJFrnTMPmZJynEruL0MtPftD4q8Vvp3iLJ07RA1IzCqOrtSLPUs8Y0r8wc6guF61fMRXQMFZ0sijHOzeEFp9UAwUaHwpMIG5rPTEtbExLfFTVP7gs5j3K4FXTX_Kd_sed3SLDFXahBhAaWRtGKC24_qGFJK3Krobc3WY3w_1nZduWdjhVk17n_6C_6ShkLrFNQjVVDkkKLlBEDodSN6NZRc451NnAUEnStRa0BvySZiiY6DfjnKRgr1Jf10QcHNPkXHN21i8m_M2a6CYzirhc08A9F_ldolCMSaGwQWZtptOq_rmDwlcWEM0i.yi.Tymt2wUOY9kauMgjSFbQJxd3rKEeAqfCN9yH1f8KA4QB5pdageSJ3DDc2OaFklKmShkWMKw7H7HQedfabD_j5iQy.8e.XStKyiV1HARv8uDNOsJmbEEpP3wwDLXK_RkAw.7NeDL3C3jxJx70.og3IMeBHfP5w49a3OmnnJHJuf2_Ttbs8YvOlZDOiKDNfAtQaQ3AQxHX9_Z_o6sipfojDrNodyZijhNEsE6F61fC7JlcHKFYgrN.Ma1WkYL0qR5GWZJoyPROfAzDekn.Wh7HpzXRyLETNSioWMYPpJrJNUk41TbUw62IHu55gGwubcR2PcbaVTj8Hr_eWdE_e7ri1Dgfc1UPDHSRN0Bfl0jUcjpsgnSWdVq6YIpZevOvQXrhouGGEGKMYV4hWh7MAVJPOeeCFLCXZo7d7s7kr_HqG1uuf9njq7SlPoJhav3ntQbgQ1zi6OCq43Lna9o.b9HVQUAAl9mxs385.32QE.kTT847Wk4gUz9mlDxj.htWeqNa20NpaazeVtf6HgjDmhHXeSDYH.wkYLUOmD8mbEBdCpXYxelsPBJYRnlxIqZ5dHvA8p.9MvCclis1UWeRUS5Lv4rllhKUtXtQxodFxTv34V_yKNHapAbtIBSX2x84GAzcu0bAVD6G6kADSrjbQqkIIIEdJGJtYrnRti_gnd3yjlOIEqiaAi7Z92smVpLv.U_9nSkluHXZ0xb.V6ZmemTNEHgBTCUXOhASUQnw98IycAI6DiXhTNg_9XfTPzZiERwP0QWeNwr2IBHekttegZSaBjY2iKEOb_otWoHd5pROYJboJ1DA7wSlGED7.UpM2MdhVctYTvVbvlt4wSLtnG8NDxly2DZeZoN4m.kWWYHBQTIekfRCda3TZZCC1a_eGmuiPvHa_E9MztAR407a.ej6zIfaDbb9QzVFfY3n0lDEcGbhBJo7Yc9hBH6uaqFM9Cmtc6v9B9a2So5Q4JAi_6hYdgrEW1oycXyqvwzOEAr2XYwIVndBuMOTJNbcDKyWsAQZEt2ZVKTENoSPLgNOwk_.eMzhsiPlUmJ3MJ4UY.mnT.Zmuf3rDXbN0bB5RB1.qQSrLQT.FXLk2bgo44wZ93wwS2P3Lyn7cter89xAFMFfZTxQqtS.w82haKyXofhxe0LkBTBR50NveNqe.yxwLBgtKlgDxHut6YzcjQIw1s7qQkZ16WSm3u553zS32ZVIACIIhSU60YE2Ahnsnmg1lWVtbG.87EIKAhU_dKDC6oGh_q3bxFlBWlW1HqwsdbJiSo.S74jKTGkRy2lE0RhpFMgi5GmzmWNtkqjJVcqI3UxeHwbGMFSn4gdob2tqpAe1nW0eyohfwUK8prdF1.q8vDhZt4K1YwxiXHuJ8Z.6NZY0GgW5mC9Snu6XQsYgy5Q1ZuDv7sYDV7zzVufB3pIuB_DgtL7jcu0nvFo6VESVBBmAsQqDhwneoqolH4q3TbABnpISADJV4_YSYMvqK7luYKa65RW.Y3o84LqH6wMhpHGpMV4QnuSzg309Wxnp5cxOA3bqZZplifF5.SVvC48CllgemLMge_sGi3UQcaAV9yPEJWtQcBeOSDh",mdrd: "x9tFE7tnYux2cREXIG0NYgTzCnrwzsSudq5RdNlPwPI-1739102048-1.2.1.1-b5gSNgOX0TayUeTQjObEzsppj6RyvWqu7Cv1c70.Nq0AP.WucsmfWxifEsDiYSYQsGNirXkt0UbBR35cjMaicDbKkYX2kOdcG_.rfms5_WHgpXRBpnZhXTj6byiIqzdq2DtCGAGczbd4HYURjARzooIps.Q5IimgB3oCUr3zX_Ch_TA1quWLeg6eI.5WnGw0l.5R_QBze3qojghraRmOFMmQ.Pxb11Dz7ieX2TFsPPzygLnadP7BymB4Yo2jYD7RSprKD9qs400gBU0SNfzz1BrJR01Q9Tg70HI_S6e4Z.vedRSlVXXWWIvaYRzPutRCgX4_GnbM9YCLnWhqqpB_ymYfVj9gCr6zcYt9sQU3_eR54CRJ8JgSJxIlxurjWZzLaMl64JObrwhADKt3yDAcwK1XbcRWmYQrlmMO9GGfc6CCRI8pCJSmPWLhtMj8060o16zZ.iFUtUuw.Shxaz11z4tUwarqnJjT_RRTkKTpKo1KAcf4h43ZumiNhFc6IGzpkZFVOlECVBNb1yA.u8bO2HK69kvRWNCEPi0JPi2z1tWlR7KhrGOKK.dF0KQiSNDKgVQjotRKEz_tqo36TdFNcSasgP_CzPkXcBPiZPJoA6jnqZe_f9rMeWQD9TFwhGVNUB_7rx6Pey_IriOQ2YK1m.xMYSYhDFZ2DA6ghgR3PdtTJH.wyLHtPK3Lgtvo4Y_pEftkf78pqWrTtcaUPRZrxPTxnFzX.VmcJ5Xus5tj8TWmWxDV4xdPEcQ9n_DmwmtHrr_oFvgm78RctvZW94TtIU8ShTwSmr3toBkXBQPYSW1BK2yU8h_ZDm3YdsrwNFl0GSttd6PKUSIIVk.VkutlEs329_r4hJYJXePvOjpmYTadDv2e9VVrysCP2zZJfsVNoPou.BaS8YRB6e.Lpk5ngThmeuxuWpivWlYHbTv2h5Evh0JT4KBOcFDx8ZV7iQ39pX6PdaK.8maW2PXwjMwhpdhkTj3X5HnbWUhPGDZznPBxIzSzREArPi2m7Sch78swvDteXPn6.nLN3z12wIW89m8cwE9JaQnZEOkU.kXiaTOc6SJVmnDDU3V44VJzrlEQ44Izmn8jnru6L97BGYa0ekOQziUjQG1itiJwefoIZubeXDWLXU88Mp0pKHunQlaEhPFVXN51tuAnfp26oixgz92XV5Iddjlv2cxLBcwkgXA9Aqu2H9lxdDWLaTKrMlhj1xSLZs68lO6pivN3Hr9X45mUfytI6JokXMdYQ_gSzsS8dg.t8FBlVXdQ7qhk5.PK3MDBLjiaG84jExAOtVwVmFVLNyOJkTSnbtkG0gce2Zit.qV3H.fEaRQ__46phBb1HLhHZw31dzBOw7SyCI8JLI6IyZgSb0Ig1ONZC6MiFcipINtKL6adEWMYdneoMWxTDnmVQxK3zurOEqfrob0yy3WiqB1C7uVrtk90NT3VWCiT83vM65fnpopiuguluSK2etAoS1LHqQJsH9bVCGMgxQqtDAqc.1S4vpnMYnqkjPtA9hCLHUWGHeMdg2x2eHlzwwWs8eBE0QFHPN4w4Qhjp9vxs_EPLPMlmubPBW7UgZaENegaJkiWlWc1keI9LUjTq7JqyQ810LIM6ZuNc.zJh5KgJ_inxNRxA0Tw1z_x3o2t4a.EL2uOs8USiBreB8fBfEX62cWimEzpTZsQcUFo9toQEvQVZSlWKH1KuTgMBDnkSUWoPiNBB16EnSoD7ABSnLa8Q908oh0Fd.4nuwBH3MlFB4BJPUdAKvGiVDMq8eG73M5UDyFMk6R.Gew36FnWueFY0tcCMfNx0lb8AdmCKTlO57d0wQGygzlZI8RWhwI"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3a9badb38174d';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\/8513427096?__cf_chl_rt_tk=DeG6zc.iSG9knoZRBJT5c2ngDuexbzm6Xn2cxYbYl5E-1739102048-1.0.1.1-IVV9YXXmBqcmwjSHF9Lm.OCueK8Frx0tA7_SnB5G_Vo" + 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