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-217256682341.mit-edu.top/post/0641987235

  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-217256682341.mit-edu.top",cType: 'managed',cRay: '90f880924ab75728',cH: 'Da2xb8MG4HiitWaWkmSJhFU5A6HyQYbKISGTG9sCPEk-1739152791-1.2.1.1-m1XahEFpoWMvjnLK9dErApcKSCm18oADNdxEZ3XsABAcMRpw2nte7RZ.pUAxmwIK',cUPMDTk: "\/post\/0641987235?__cf_chl_tk=WEslGT7y9XS79lfDLAdOryuqcM.4t8_7ggpeSfNvJ_o-1739152791-1.0.1.1-ntSwJEDrEK_kSPxSli76OFL1Bn_eHn2xDQw7t_A4LrM",cFPWv: 'g',cITimeS: '1739152791',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0641987235?__cf_chl_f_tk=WEslGT7y9XS79lfDLAdOryuqcM.4t8_7ggpeSfNvJ_o-1739152791-1.0.1.1-ntSwJEDrEK_kSPxSli76OFL1Bn_eHn2xDQw7t_A4LrM",md: "eiv2DALIc9sf0FuER6Vwixtnl6KlFowTX38S5KCl_GY-1739152791-1.2.1.1-BVTFdpXdBFfPEFxSOg0kbT6Gm.m4JgKwdfYP36XEl9jkT6CGzQzjgr2iza8SJ5nCyJpS92.qj9Lvv9MlQWlkpK7MknInzQc5PuW8cwhOY5wEOqoEuGGpmYYuGY5LBV0p7ikgkQoeqvVIz6D_TnFH9iSQAl2h.U63NKQI_KOIY.LBLG6O2lMif8tbRMGZWYN1_S1xoIWArcnmU1CflAvpmNCkKrXQ7yEiWMHZ8hOTqsxdIb271u03UpZiz3jtWFQdp8K9EY_Gme2cC_jXhRDkywzirXZGAS7pzC_ujO7FWSLN65QiRwhYcpV0sGBjWP9cZxX5ejSlDffGeqa6T2OFrzpnkSSvx5qfOcJqxkcmb6UVY51Ba8gdQIC1d4jH2qUnSZkQX4P4zq0Fn_cMyvI606nbWW3MO9OTpoZdIfWI_5wYXIcd.Wp6dm4eFdATT4ccm3scrSoyF4Zcezw4xODuuKsiyCLCWnvLRZUvHsI8hyIjLilWE.zmfaRrYPqbtj3Ya_IlwvgWv6QzrJPEve334T9HNH1UBL1608FL0x9GY1UQZ1IxbHJ5dwHQYMWgHoYkmIqtxozS0MSpP5ynjLx.hZRPaQp1RbM1bjlOWi_FYbb5RZmAsqD5he1cUgvXguUhRs.lB8TPY9WqHMfcBWTNCmnb7hlHm4b7krYREHkxeOMb3OJdGfiOtByqOMPIg8gBKC8Jp4TcDb_9sby57x5fKt7XGYrgEMHHWrcyMn4h8g1A6f8eU4_Du47JCVJZCrDlH63iQiP71spbuHGt6FHthOcIyPdaJX8CX.f_hVu4fCXJC3KRr1LCw5xKOF7CU3nHrJV1_YEA_YmN9xIM9hCt6wFQL4jTdyuSXmnskFtvNok0eL4TZrL06hCFpIcVKCZuvrfRPTVNHWC0HdUoVxzSWmCOwghc8Zefj9jnjl7wqyOAUwYQHPOf1aw3ZFyXcupwVBrRthqntTxFk51UpC8crVJkzU9Mm84BlVluf6pHF9w_qMgeP983Kyp6AxvwBaAt8Yv1oLift7WKHLBUWa0udqPBO4u6utizWLcR_OT_m_ilt0PGlo3oQgjZFxa_Wb3mOFIM.DKzm8z2YCllufo9JcR_eyKfMUvQi1qcUUSou8xohSc9c82aJwhWyKkqjRhoYvwdX.kiBuqcChKykQEJ.M8GmpMJtTH2b0et3UO0BMkYkSmfE.5.Oc6nILGULO3O1vfwc5Pl6RHipB.MFvwX2i2Uz6sGkPn301aNBwgfuxFirS4mvMC0IgvrM2aQQxv8VtKHQ5bFo6LRVbv5ftZWgPVz6eadD6tZdZbQP7DIknvkh9PNYRMiJrNCKrH4vcyDhZOH5SkisP9zEjA0i0rnC_wLjQolS0.NX6YCdV6NfFKQygYSDadAT0RIV9uDTZtPTnbEIjWecwOfcsDXCo4zLcx_PMfHrWmAw4u61r0R_UtWfh0fumzLxuCwwnqxIvevruhP4ZsNbmE.hwe0g3RdN0bEJ0vIzPypqY13t68YS3jpwq2UCbIID_nzh4AcKlHHapNddo90r3d6e7hUeRm1YBEGENCqzunn.U5uCw1iTETyDX_k2JCez1vK8b7lhDqUEECOyKa8s0NgGC5EhoLM0FEXO6Gurh8EB9i9p3ta8572wMFs2YZaOj.ANp_1pw1GJeg.a7P6Z7k0nOAdR6aY2VQqt9m62CxkNBHwfKNpvN1xZsHc5tHnNT7xyopNEInwyslogwfYVh1_oDQEXdf5RRUo7nHXKYLx10AGSuaW8GFPSLZaT7p1MiNntJN.ec106qPpd2og0Aw_zqucFsn23Xgc28Y.3xWUhD28SHPQffMyAG_KSSlwHCO1d5FIBwXo1Cv8YGD4W8q7JIHTLMLtUu9SvenHgYZz5ktrm7JBpsdg675HMYQvult8J3v0yIgN9SGwsif340hHZEOytJS0GeDBcSiUvfjgDvUsJVrCtUCqykiDyldU0e_ZkcmxgOjO6s2Lr0SgGvs.HmzwWTYgk1bQ4Gmr8v7v2_hK4ZRbY7TJ3lSYcwFxizR7L6Alwb1VWgLgZjb7qn9nUn5iFKfC7.Z4GY7H7cSchevn2lZk4JSOljvS331RMjppkppiRawwIqF1PMog3GEFZHLLs9IGnQyeYq5Kt_Daiwuorv3sGBjm2GgXEYBSQDOhLip.gX1PrEmM2BDVuNmFQwwUfXKvnKDg38LOdeEtQLiUipDqXoMTHjD4N8I.O50UvgdfsQNq",mdrd: "8zzxGnlgU24z2PU6rB_mmroOrQErYmuDp0VFdGtHbCY-1739152791-1.2.1.1-2sxFkJ0bIDhKJl3p9O9zP44.299vcygOXsL9rKZL58H7Xwohfnnw3i_O7tf3Vc18ijxgkNLomxyvTeqjfMgduDiMMWj6qLptGfw9TjF1GoDZtLV3nxRD9moBqckgTyhmdy4cxd1g_CpZoWqtpPVdmrsjzvNJNcYrDIZyqsGkZZF.7F3sBxMEe1vlIXLocc_zLkdZGaFh4Y0kpB4rskbvWg5bRF7KOZMEIti09z1R.JmfTKsKagRyL4gNBBHCmvjlYkONqcIzCHhwQz4VOX_cwV9ZHI0l.Fap0DTLqfM0J70dQx19MoWgfD8_8EtjvIwIq9CEr04O6zV_kT6TqTcOYw776RV_2KvLyqfhSqbVFAFG0NhmWvOAm4oJR4EkxMVdD50cloHkR296npO03WkbXagSl4fte.IcrNnnzJYJu6kPg8RyCCbcnY4YBBSEHbdeCEEdjOBF3rVP7AbMNbiAVbO6uAeWfm7jivrD_KtqP_VyGUxTkEbu_rF.Y7SVSawNG6gx9Mp4fGhfDJbe1JQPRdpHhDTpd1y2qDsfiPLEY7exew3ZI0D2_V1MmoEjPGDzyH3tBt5_qho_o07DuvKILW3ikxE7ZcjbwyOfoetfJtT6EK9RFuMkwS7uWcU7lbJOh1iC.uuufLm2JtQq2Zv3O.S.PzPCuq47iBnjzWXhAXtbUVsXghJS8Hub5QXPzF5Mh6W.oBZODwKPJ6ZL.VFDZK.Z4jQTBKakwcCOjClW7OY6Z5SN7Fn8oATgQj8CekcDtWrZCdIQf9RYAtTvhPR2AwVXrUQnHdtcMV8f9mCCVdp6COBZLqVOz92G0QtVS.VxA1VmK7IKdTzskFJBsHX3vpZunZY53UMWz7JGAFfvN0Q7u9Oa372V691U7RzRRjTBEbMMBxFGMAtaH1Zdfjg3mCZCsqbKotYrDaksSy1l.s7DlJ5KodYtJOjGz2yElAirtmslOTvfF9ag.oGBRwxApcX7wtbCF3SqD.xY.jWem4HqqGaVPLTJn9lvfLv5eqrcgmm2OkFrRHszyaqv1VdMTKQVlZygfQnYEucpbsruNrNUYI3KJb6jdDC7WKBDRlNSHBfsIMqmNvLLeF1O7R3HyQilS2W0jiW1VE1pMfBKFX3S5hwo0bT5XXSwya8bUg.yGvCjuOczZPyO0FCPuNlqBSECtoAaggItXIId9O4sKcpnL8wlS16F1Nno9LVZnQTUWtrdYp.2OlP.fjbki5Qp.NNkMvX8FGYUZajl9T_UYsArpidQC6JxORdI8ReaOQU5vzxKfkFL7MQppQ64FNGR8ypbJ1sIzUkHw9UGBJrU4xA_atP.PgAPfbPzEcJ2oG.KgPMoI3tZKwusioAWaTIklzsOV9fzPAQH14sBhfTWSjDYB5vEs9.AEX2s2nRYvBGljWDG.yhTkfCPEH7GQEaAtuq7N7AA63u3x9jCTTMMTtPbNy1wXCivuTQODH8SCE1i7J37b.sREpAntFYDO7xOMXHQLVofxetpn1UVJEnqRzvys5hcEpN02CvPsGc2EIivQC9mdiE7ac.0aSGQMKLeWzhgj3V8G4J1fHDsJI5mcuSc.aVPf3PhL9H21psotQa0bF6mxj5umA1rhZYHpmGJXRdb6RqRbP1Ext7_zrInICM8Sw0dpZSRWo1QmsxL90XhAlVL31HWs2Ysjzz5JwNNKN589o6AB3u7pLr06slGZ9OksrkDiCGdfXXP9LkG1iUQ8auqr4I0nq65uYxgv7E3o0SClUL.ECSyQ.22qJ_74Yay2OqQCgcd4tR0mNezNcxu"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f880924ab75728';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\/0641987235?__cf_chl_rt_tk=WEslGT7y9XS79lfDLAdOryuqcM.4t8_7ggpeSfNvJ_o-1739152791-1.0.1.1-ntSwJEDrEK_kSPxSli76OFL1Bn_eHn2xDQw7t_A4LrM" + 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