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-528157850808.mit-edu.top/post/9238164057

  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-528157850808.mit-edu.top",cType: 'managed',cRay: '90f447a18a265812',cH: 'GPVjnl3C9xTQuAGRhOQnshlarROxtOktdC5USg.Btcw-1739108516-1.2.1.1-k4PdoVXcibrxj3aY87qRXZZ0hMEw.fga4tWwaba0jy85h4BSlWQrYS6NWMncEi1_',cUPMDTk: "\/post\/9238164057?__cf_chl_tk=n_V3JMvhS2hev34gzIYhsc41WZssr_IhpOP0lG3DfQ4-1739108516-1.0.1.1-Vlbb1azdhJ8c_OlrcO3zWzT0fgROpmEzJ90pvi9JaTA",cFPWv: 'g',cITimeS: '1739108516',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9238164057?__cf_chl_f_tk=n_V3JMvhS2hev34gzIYhsc41WZssr_IhpOP0lG3DfQ4-1739108516-1.0.1.1-Vlbb1azdhJ8c_OlrcO3zWzT0fgROpmEzJ90pvi9JaTA",md: "OjAgnU1MGvSXXx7utQOnT68KelDmbJHFvUVJajfbnh4-1739108516-1.2.1.1-F3iY2qcmJVBV3xD59HWQq6oF9f03PAndEG_ExzJ_xkGzq5OQhHesi80YM81np.1xeCXj0TkKdR5_Mmb4s1vNYjLRWkQYt8AuoN5mzDBqg2oCZMXO59gdzahds5kod1hYwUFe0b9BY.SFzjXccDY.a1XNKk4iMp0hYE5jeNhXfMYuUhRni.zb.pzcNU6txZ3acN6DLbEhtHH3mCfFGVimRpZVlGcMP9gmtS7ZzTikBohMtCmOWkHdaIUlVPK2rBMrTxh9sP1XRQJfo6lG0DlLE_VC3jxejww5Q2aAAeO2BuL4qFyvPsk.qMX0rF7YAkqljGQweGJjgI3M2Nig5eI5RlBk70O2CYpgoR.klaM09j3CxspVVSGHzY_Fxih5fGXvxCKSIGMsPzVUfXHQM.D4RKXd8fL4EZat.BWKX2_JWJ4Bev8.mI9Zzr.pUloXmms7vAu_Go9aO__6RnjSeyr0631R_AcCOxriLrIW62iqrkrUZr3wZ37MqdMJJozB_iKxFBQSA9.PYHyddkKwtua8UxVoIlDHlye1ymzvlQ3uLF2pZECCa5wiegPW63B7SXNCZQMOBqp6.P5Pyt7bEoPRbiiubtFg5MsKOgbMn8_NxXgwdmgf3IlJ5lm.X8SlddjZxfdUHxoqYh3ADOrs7.E6nSAuoNxAH.cez.ACCCIM0li5MYMjiwNnl0m81Gl2UN3k_yQLbGTJUoV0vfVygTtB8Cys7if2KqBR3i9d2LsIQeQBtFjRxBSZec89G1DFJ.aGQU_KdYmsWNovo0Wp0h3lAf57RtLLARVvGTpku.p4Qc9TbecRo8l8tf5Gt9f5E0UqArFdTZ2GLGvcbCBVB4Wga5_jcFtO.4U.Y0iKLyleh7YS5ZQzZUiI_LXDjURz6xUsuA0mpLYqfrlKv25Xy.35.yXh6tnw2tHndahBEXG17IL5QVtQFAPWRfISftLdO_NMgRg4mwUiZKNu18pjzY07xVIusQxMFdsrbguUOxlAd5KZm.ZicwUKxxS9k3ee0hNTt8VEhqFrwFojG1OPU6_npn6TD_iCWQ7OHe4mztGG07XfFpjYqqok98iSE8mfB_UhQ.3.SBYSKwvxyT7tIEQAvJsUVNqNFUwQlg_hOTpancjDWI6sbYDrMLPqFnxRMiid2eo2SCIfYMxy1EGUHJtGSz9zzoz30MYhMgh5En7_2L41aiGzmiP2.WGr7DxPikCB_a4f6lxSAb.zi.rVbUj8iQOAZY_e_DTF2TvKrViX2SvnDXDEoSrdsPeZ044lXd1.fqNIJ73PUeJ92zrXRRGEW0g8BJvFrCDuxdYdC.ZcaO22OBA1j1aXxVmHChf2vlmjsL2f7cbOyYeiLSlWfBGGDPFXmcV7azT2UjUWQRLQ5KcuHMMtQ7ftWDL.XypnM0PbyCeGbUo6Qu_qDKNJPce6o5DAppoKssgXBCXkOlctIVeYdWQt2Y6_dS3OXhVVOHwMVFjiJZ3UVGWvWcZpkuEIag0T6TJgL5fsNyrLUOoUIHoKzS7NrUZB3zq6srleWEgaO457lQYzmyiG3y4TJC5Y8FE.HPkDnmZbMGldTpcxEjuVymVvY7R1XbpgnzbJ5j99H1CgH59rK6pgunSpX7wKi8DpBusx5_rgNaM9h14ltHsCHv_1P.W4lDoLklrHROFrb5_jgQm4NUh0VwI0pgEi.MoMTGLGLsT5LUAfSYZuMQe4bmBdy1FIjTj4ll6389CKZ1j__rIMriGZgVbBYIpJLiojnH7MdRNQtjUJ5SwxaUcVZYff8mY56eFH_LQZoVMiJdmke8JAH0DT4xftvNnyru8In37zKOxEzqUbNLkiNggwnuudMuD.bBCxGyn.G5UeCQMflHuBW34yK1FoTyComR7yrYn72.gcA_XcjJVvj.IgHahsn4srgdrwE9zV82NHMUYXcnJSFkXu_IgoOWnw7eSwAlMrOaC01Vpztf0wdX1kRo_qjTuaaa9Kv3Kr8PtOkj8WUX4poLtG3suPoZkHvXH9ttPLPkjWlWe9ORsMNLQ3JEZ5Wmqkr89oRQZlQsURt5ybqPJQlX6.3ceQsQn68BRxT1CY8bwiLtXziG.X1TgFM3t6WjB4EXTC6XSRdKBKKFT2Df1c8RsWN.rw0OcZVyFxC2t7NlLI1GObxyj6f6QfrtLSU_cyhVvE5u_YhY5liSR7geAs_Vhx4QiMaA5Fr0mOMaRSfCkgaE9awCbh_9xc1dNDz5qyi5mrk5cCVy1N",mdrd: "QoFdCMzmEuRLJ124QA5j_B0SQ1mDo_FpCZsRfHvwWU8-1739108516-1.2.1.1-fSHPmcyga1atvosGAm3o3diBfE_70mdpM.r3QmwT3RIAtlfcjJOSZ4ZBPtIhnv.Y5_N.FQyQyfJ_XCT9cdjvBuPkLe9jIaAUjUEhtr2Cq__qEeMZaysQLn86effOxhjRGH.da4RM0R9CIT91lenlntbYw1hihFyxcj1oOLd4Y0gUzyRIDVL0ESD9DKGDx.oa3xTcq5dPOusj5mu7LI6ykqSdGBGIM5a3TMecInREDMETbturnefwlfY7BhT0EkoMpt5U0TErRGZcgtTk0qm2eN528k3RUTPB1N5QEZoNMVRGWiffsUYY4y1Slw2siuh51QfAl_sWe8SqGRUHNgBodF32Jr.OEmhu1Nwo81_Zk6ho8njrOI7zs_oDaYek1oXkpwhhnaw04Ks6kdCO2GdaqLo3rHHS5gnN_5E22W5VoqNuoMIm_trNhPUEOr2D78DpdyNABDs.aPjg4VhAmnR8OP0YBWft0Uaiwb0NkyTvug4qa__BpMP6YcBE884JP_WdE_z5Uaz39NFUKM8BEbGL_R_TpqQMPmGvIv8H5G7bsxPTb02QwIjgRrUhzmw4UJX3pRzZ2BA4KJmNBkXSa5M3zF.rGSO7I2CPy2cHibBpTOsDbmxJOB3mTQ8Bxe9V2GGqVs36NKWjREIcxINCcFgzJ3TYgQryCdbEcv.j7OynrfZWxBSyXdfIu.0NXoOC_ftEVwcJt8bQQIq4s5L4Nk8hrpyHk61qP4BqhUG2ZCTazz3sCPO62j_244vshB345jfeQI9LdtW9ENl_PbNy87X6S8Ja8eYJWK1gBtIEi2OEqjdDY4j5T_gga4P0cZK_pZPqPyEJY2v1Oo8jHxFVBlOqSNTtCuYkJMva9s0qPCpXGxElBseZX0IJgDIQBwpAfIOCsbg7RZYSM9iqNn3fToWlLmSYzo5xcsvzqEk.3hDWyAThFGrBEWJ64zg3LMQjMXl3EWXumqBby1EO5WFgPSb1h1hX5myAAu4uciV89V.CnRtO4jKtfxP4xaQCJXQfkiFlJLCOrsWPQm959xSXa3tZqLChPaFeHaoSdcnFzPpPQwCxa6FqXzDrN4I5kWOrUeJsB9W6_lsqVyDmyrsdxE1PZy9i9QqhvYl9nteYbEwHmDrhbY0NiyBuYC5jdQL__B0wkQLtX1ZLWKtjEpWqLYTuHwTcDowuw2draOAGtLxG6W2sWvajkt6.XKHd0cwSuDPqnrRBNpbdNdLwd2FCfkakD8Dc_YfXCqa7gjwP1GK1omVZJYuvVFvrBjerwv.WeIvjoNty4lTuCETduLVo4GtuQGy4JkSjD6csVVLyDKW9fzXODbzlEjBpVi2NW6KAaIP059bWILNsvfCJVMvj.lc0ppqOimjGHCkBf1nu1M3DuBRg3yyzLsOY0cDhS4gxPyNO9l5Dm9OSjEQmczWcNSalTxjQU_7GeRO8Nrf5Si8P5myT4S.w7qgu7mw8t5CgmWuKDgcefQYVSadxkQtB8Fh_yohlGU2.UQ0Uyn1tKVMSUGGVuV2fDFDG_uDqsoWhKPTtRQf.9hiHYX8x_O7Qi9FZtPu5xtOM5XRSyvr8DpRxLhQu1fYSzzcJQaeh4uc7JFvMR0YuemAoeIEa9SisbVknGzYI29u8ieU6XnuO_eWM91FASUg48daZvbHTEG2Tp2jWfPHxL5y6.lyAmVDlr0u6jmU8EwidKMgPVG9Pmd9D6vAANs0mvNi5Zio0xEfqa_cebRHDxDZ.ggFjwmd5mMtBu3iF8NCv2Tt.sfSOu8UL6x8NdWsJvgh8DkgdlCe3.x7Xm7hPyZTpKrG4bg7y_ttWG9cZweuJIda39aHs1uEQElw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f447a18a265812';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\/9238164057?__cf_chl_rt_tk=n_V3JMvhS2hev34gzIYhsc41WZssr_IhpOP0lG3DfQ4-1739108516-1.0.1.1-Vlbb1azdhJ8c_OlrcO3zWzT0fgROpmEzJ90pvi9JaTA" + 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