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-731887829548.mit-edu.top/post/0912635487

  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-731887829548.mit-edu.top",cType: 'managed',cRay: '90f23e990f322d24',cH: 'frGmce8S1kA3QcEMGoFbYCwTTsEaqIipJjiXmwb3cYo-1739087174-1.2.1.1-3ce1XU_RrXQlHrvdigsO8dKZAdaLn3pG2TCQcww_dMvaHmMWd7LPEpqWaqv5cjfB',cUPMDTk: "\/post\/0912635487?__cf_chl_tk=1Z_eSRzDwjEnUYnh6E7FLs_oGRfj3NPOeDs.41HUezM-1739087174-1.0.1.1-vXk2xKqbMHSWRCJOGJBgKvvXHqr9Xj3yldyEqTlgm9Y",cFPWv: 'g',cITimeS: '1739087174',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0912635487?__cf_chl_f_tk=1Z_eSRzDwjEnUYnh6E7FLs_oGRfj3NPOeDs.41HUezM-1739087174-1.0.1.1-vXk2xKqbMHSWRCJOGJBgKvvXHqr9Xj3yldyEqTlgm9Y",md: "6eFO7x6YdDUrzXLHCLa1P5b2eXrMq0mDN7YE21wtmE0-1739087174-1.2.1.1-LGRg_2lNfxkQhxD9eHngkZb1fSgXl8XujUih94kSdSwZAdCTZsMUtgXgL.nT4PPjvqFbapzZx6aWcT1FZ.Jx15kLsgyo7gwLyVg51LD2eycFzXX5McSuhn.4jqPw9XMO2JkA1GfPzktaRP1UNE3MGfNHFJnowtLtijMRDVBkQrFoNMUWWhNTCuxFCMIfv55.xjKXcZn6oqGScl4v.8MXiJLYALJX3dCOhLHTe1.CcAOncHuBalLKYwKoeUrQzFOpzoaJT7XkWIR3iwuCB3AI5NUAzFmMHuHq6w0dmft3uDzyMbmGvp_H4JgQrK83n5zIqkM3HgrIGKo5ms1ltJaGsElL4GUh0t5LkCt9e9pcrlizUpeq3gcCPZxJLFFJ7xA4RKWq4qR8lwkQUQUPwHypE9u5d5hmSZ4rzuOf.ewgXlsS1IqbLcR2AeiQqeaedjT4OZFBkmw9AgSrB6iJN8tAmtg9ff9kc3I2SWhvPRALRBgwOM9Ku0Vd6.t3b4ht9r7hf3E38K_GYiz3JDdi4ivtly8Gb2WLpapet82ITjBjDOLy2W2pFJtEN6k0YRrEHNSil3V8UAA0byi6ZKyJmFkWs1rgUMwuk.Bza4Yb1Wotfu8V_2nvi5DaVAlVb7Pr9EIE0buZCQLW90xJzhBg9i6o6fdsZCgSGkkeWv2_s8tYK9XTMb6DPIEQyJP6OxPvbOyW046YUTFqJVdXLcc8Hf_MrlhkAo6IPanX3Ddx55cXSnvlop_nGkcM8.p2iazl0ph2BKCgZLAdN2MHVDitiP5sdeybG1HMr7rdaWIVjvPXFGIQBSwrlz40zcODNzbL2U_TQjmiKbfAbEvb3M4bnhHlw0UJp9X8snS.TOwYSlYcV6mPF4mJy_xPUU3NrfPJyC0fC2.3rLbfqc6yN814lPB6P96nEBJDkAeS_DA2j4Wruf7GVW_sE_z1ZF7ghlImomrmflvc8L4UNZKCfZI_whsmGl9YgfjiWCoTq2MBXAN4vH_ArT2PsfqWx_gRijdqEpelqMggf6fcUch3wz2GZbpeOzYHf8XkTABTvhuPFXW5KBZqGf1IIlA2FnAFatNlVhHn2pNd0jZHJtjNWkmw5SbaiRp3DoKWcnuGWEPvq6qxMRCMfcVjYXpegxrU0gaOx3BU6BkCOunHxcCrfZlVZkEJBil58tRQ0FdJ0lXP_0iTQcREPEsFP55Za0KSPzejA5vQvQKCIhQWs6kz_pph2FAs48MuDdusYv2hB22finbRdM2MmG7KVd6QN8ONXHChna9F1nJh9wmMp3_mmsvrDcQamv2skRWE3I.86XkmotGjRNACCk3Nek0UFckrPev5gngNsH0vXwG6XjoU2RPgKHN6FnQ.xG34E4PJGcWeH8uo77KC8VxuuKa.noM4p42qbfFNFHp.Xryat4zha_EQLKk1rcmEDOCHQWCgi7Prkmn9aywAjbiB_3oC97Y54WB1yV5BDdEloFJPq8hM7mdyI7N1yhjd_yGN9xXx_mmv6Xo7Ai8Pb2rGPlt04g2NIdyoqJjkaSq29jS_B5K_ONDFhS5UAk6ALkobU2butiItiuY.vK4eLggyZEHH1P3dP3q5M8TvWFpe2DqBPNA0AvBOaf55lEx329XWmbiYkRfjWJksjXjB4g4aeJ6R_0ZLVS4ULh.DS9ljezrvZUO27_fkxMorPzx5yUm5oWtaDO32iPjJ9pcpQOb2k_iTXGdXSCNSsu2hljB7Vno8654V2vxYH5AfH2NyCAY0DX9VawaRt9CgZhiaTIOQz2OhQ5T1pDqJwNHOzpvUF.VsuDdltnWhFkHxWkrnu6pj0x4FOwtvXHzVdb2Rj_Bww1qpzoSpvj8L7m2DYuyQRrGZMhjBWzpVEZxfZb9LTykLevMT1d_ANXxKs6QkdPnnbmpsNBfmfDjHvfZqIacyU3mvy2i.oAcSMoAhGBsbhXycJfD.YrKhoMo71GnaH0rgEm6zehxy7JltBBrUk1IeWeFc83BHNI3XZAn0FMkcJ3PaOb6Z4S1TJYxulJRY9Tq3WEtIHKorCqjbDpe2mKBKOQV.uhpr4w.IJhQueyCSN0V_U0bG_0C4fLT.I.q5jljteducbCDaqbS8.yWx0ZP9RpZas46t2UJOjhnVyd5xjHec854bHRsLMgF7gwrX5OrJl79ySG3otpK.k57s7XCPBM0kHoo.fuKV0TlNAUgRdSy_cfh778aPOoaD7RKwN5ccVbmt3cq6q.NgO1Kf",mdrd: "9Pj8YcqeHJS.gRLec65CVaUVeC7NEb036H4XwpTdjXo-1739087174-1.2.1.1-EI5hlcnYRFfcK8FSw1mSnrcgKTihnAOVfPxdfG3AW1_cOABC6kuVa65MFiH95z4LMNdbDb2X0dzc7CtsCjj9HkaeAghkWPgOLMlZWKdkSrTFuyuEv1SBCskBjnzEEC68AdT7rLQJhs88UzTwU3QglOGzvnI_1WdUu7MOMl66sNJiUJwDzsnzq2JLkuthCxgMzInFaOQUJXfvyEVWRHQpOP8qkP0lKx4JZ.u54hMesj73dpiURnJalNXOYNYcxQmeyzw0a4gld_rme6V5hMfATOb.FN4HUCoCU_sQJ0vjIpfmT10uB5Cwjdciwg5EEFppaaNRWBu472IAou9gYjW22SYnrMlbBa34yyN32OQnus9zPJuBP.ZB01Kx6A6IoYzaBS917g3yJmZDwvB_fpZDnSStRS3MuxfujSdtoE5PSyFPQD8oi7vdQ0hJWrVo00gPTjwHkjfxy2xa5Uz48ZNYm70CWsk9sPOYCM5sS0leahoEhkVK6hEuD70k.Gn2RGvlCKe1t2AOHFamRkiiFEm1IvwJha_to5egp_Y2StB8lT6PRqqvgC4i._vpDuSCOxCN8kk9rKe1nve.sRxCVBhSiPWkZO8Q76kPlmUGDg10gKdLjp2qVQo0PnfP9jUH_xLOif8xuxrKuxuf96d7HE8hCdXVcYIhuXmEbVBve5z0W0MUe94LA2xfOTlJPdSZ7p5PTL7Yap1CRHfYpTSjOd8YErqY7oEjnB45zKyphQ7qB1722daDQ60gj9bGf.5N18RGhH4e0mkMLNjywdtSnNKQmUbppENYH7e_Eh2IEZL1JboH3pMhSMU7VYhEVe7mOIOOygVUh_ahh3YRncgfPlgds8t4W25.WkzXzyrcKhTx7sPGYaMs7xyik05EvyTUI5BP3Nc_l1TGw50DLkZs8OBBcmHgLdAbgnXQMENLL3x.HjycFVZ0pJX9yIPC2nJ2WTk.zj..CHCdGdBziSa_iWinWy6P2g98IoRBLCT6NNvLi4YHe8Wzup._hACNbHZobhE1kj6OzWKEoFmUD2TsGAYUMQh0w9IocxTKjphPDYFR5ZZBp8C1_nlUIhhdFEL16Q4TyUvuTMf1g65p0ouw7oBG39O6AP7Tkhw7fJPG62NnCaR0_CmTjzmSqnHPREUXQutukIXz6aRcqn.6zz5Wrw5Sd250ltnfKSjGP8on9IdzM1c9vsR38F_eHExewcaOpB453Y5fEWxDSqqWdZgx0axKhM36v7WC5xjEK4FPDGy3Tmxu6__bjKIbCwVPsZbsOQfHFzVE.Flpin9MDk40vqzke_27Z26xYJt6kZ18bzW_tsfSn2XQmhVzZapG03ViEiMh9QCWd_9051b0gxDpfJBaH_pPBhkM.QNdsJie55dxch6IsK0gVgluopEeyw51b5jeVUhLAI7HvZ.sPYnZyLv.BxayIAImPH_5gUkaK8jkMAd9s7QqFqETHVQBtSLUSF99QXeR7WsA5eE8O4AQ4Tef.FlzSFj_JAmjboT90CoEp3XmSnOSSaMKIizLRb.HLjw2hRGBS6yZ6JGx9qUvd4hZU__YWYFyKW7G1WAmsge9aIXzzv5HTOzIXbQMk3WMdr.2.WibbWSHTufaJiME4FpmCmdLRL0ZgGftS8DREwnGG8IQqrT1BeOZeUneN711SbCu4rqHuT50m1gWJ0.eD8mlJeScVdKFYeudgtI4nJZtOTW7Gj1E6ISH5_61u8L.hiW3Hlkg37cdE6NjM00O0ST_wPrhgaToWBqJb9cd6_k2enBioC.871iDoZbSRejZf44Pcn.zEqqPxPW_Xu5zwM7eS3oBzcZ0FgefENvvasxHHerrDNafrT755Rcz5oaSSJ0m"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f23e990f322d24';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\/0912635487?__cf_chl_rt_tk=1Z_eSRzDwjEnUYnh6E7FLs_oGRfj3NPOeDs.41HUezM-1739087174-1.0.1.1-vXk2xKqbMHSWRCJOGJBgKvvXHqr9Xj3yldyEqTlgm9Y" + 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