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-722135422504.mit-edu.top/post/5928014763

  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-722135422504.mit-edu.top",cType: 'managed',cRay: '90f33f22fe64e5f1',cH: 'YPzctIoLPHy9zkXaj84lRO0TcRClJq0ptMJqIDoi96U-1739097682-1.2.1.1-uyAckKjekKJKX6WEVQv00adTCuUKJtrNo2dxOu_XG48JC2hrhAki6L8GxYF.b21b',cUPMDTk: "\/post\/5928014763?__cf_chl_tk=5LQmzcGUrFiGeiJhO4Dd5uqdkMFcNgXZGG1JVgxeB9c-1739097682-1.0.1.1-9lElb2Awa6rCGAtVXXqm0BVMJRYeMxeYm0IKkdW3cuU",cFPWv: 'g',cITimeS: '1739097682',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5928014763?__cf_chl_f_tk=5LQmzcGUrFiGeiJhO4Dd5uqdkMFcNgXZGG1JVgxeB9c-1739097682-1.0.1.1-9lElb2Awa6rCGAtVXXqm0BVMJRYeMxeYm0IKkdW3cuU",md: "ZX1oKSGJj.l0YPxuieGQBkTbW2WQ.wZ_gbGWUDjsY74-1739097682-1.2.1.1-0RwUnwYLMEPp0nX8sFxGGgDmbPjycD21fqRqeh10IWVTev5QnHLUkHmqrsuaq1ABMTLPY3X5FVa1WT23i5JUaWVtJ.xCW1we51BC4hIpql1KTV57kRuTGGHE8D8gCjldAoyqCjwyMV2DT7cTocR1hV_W0yYcNR2ZNCJvMnkaPMF_V1ObG6eZlMzqpuu3WerLOHQ0UkdAriug9LionpqMRT6IBg3yJH__V83sgugDSfoE2P35D8k0u5SWiMJtdEWfOT3tVp00QgV0OTOMJ.BPzUvAKVysK7DzZ0pMe3.j2qcILHZQdxD5RL9UaWgdjHuVo6NVuRFi_.PhPgFHpLEBFNTxFoEyQVLFYr4pY56ayAoCv3qCgAfpLAx9b4QdFkZdIMEahkP5ypfcHFQxR5LAABdZEjNTfuwlo.spYbyUyQWOgZhlwvlwh6_rBbhHBL0b6ice41Ea7kCgee7zAkqyKIOcV.1YNBGyyVoC0IAkmyKMDAkNabvZ5l3aqqD.UE4D1ffR4SUDzVgKGKMvyETAelcthZ7nqsw.W0pMCiZx3f45qjbTs68ujGf9fOXrP51xpakN20GD9bY3q2g_5DtkUf8nnNdBHnV1.xAqgJQxw066vjQ2ZTIdTvGG_Qr32MKV4LU2MerF.XiC8uhCVtSRef5bHp1loolzNjbnbV38BO_zdcE11RRiExDKbnOTybSCeycIvWgO6qzT7AD9.YyBs__CVyqbB5EJW0oW2ubuJpOqetLu2boqOiwRZxr1OIC2NOqgkZl6NqimvRrFfUpIVyFfNCqvlL4hz8mT5IpS8ilU.jlfq85QXhuvuGMi2k28AlXlwk2DqM9XmPZ_JOd5_177iLA4MZSMqALX6fnElnP_RNK6xmMaC8eozroWaPUeHHzF9BEQdJfXVPK.jp7tn2jn3hZrR8jPOjqku5xcNcX4PTcXK7sckBMmkUw._uNAPSAzXs9TMf4DqPaEmRv5VZgugICJH7C7KeLq.RJr49tViChthgChBu5uY2K_KvaYgRsuBq2yeZUWZS_eqj0b4S7GbxGHptnVL8tSacG9Na8Sq3pRE47l9xN5eLVAxsWKzAjcc_LolxIQHDpiwQ3Gd57yObHOZg9c0DG4XQBGHMdM6wTUsMFwAqJOjgnHk.vqhjT_8OVIXC3um84d0Z74DxqjwYlnG8fGsDFBR5KMYqwu7Nd8fn0.5o6uij8UXZVV6xCnj76bprwSx5PFFJMC53i22oNb2_YNP7dtb7O8X8XrcvFrQlvz4JeAVmaM7Z33CDHnFRqn7bOj4YF2cIRnF75IddNF4Ck4qeKvia0QJgYvhMPx1RqXszfJn3_VrajNuDhkhPc44EHclc9ORs1eSnI5ln.AbX8qZqj8gfVcJ2sGoieeIiN3k4tRMqRZReOp1I8M628NacbV1lcHUV8zGwtbzzTa5ZseR37YaHcHv455pKIBT5ePmDVKaHEywetcEamSh0lJq1ddA02AzqhdFoVHauWAqJchFu0MsOHa5xu6yRuxuJEqncSezczyM.el8JdzAuVTXU2fwf4882HrhhPPdp2jpYZKpZBuzuhGFXKxTZsfs9LxG6qOWMmxpzjDikUvmJvp5NtodYuid61zoRuu7sJxSlzF5kvTYcRJ0TT82CVQt8Q5HFqoNNAXEvlpi0kdqyq4b.Uq9xQlOLSFfgtVuiDzDAssyGV1.0BEqLAOeyGb6eBVygp5PA0ukCgBHoS_wsc6qX9Zxo1wk78asUd_1FaH76LkBV030_wmpAjkDgKkRZuLryqisPz86GcGNHli02HndbUkxLKMZeC898xFJcymENsEaqPAxIuKjy0Hi8vz1jQkUNkBk0b7uP3FnhVehMguA_o_Tb8mHAFswxQr6gV0wv19ZKhc3bgH7U7poLuRE070WFwB7PwUgBcQvcQzJ7ts.OCH8gDk99.uKXkqJAkUh5kgzfega5pEVgrqQtfHTSkb.78UkqWr5q3v6zvzPMKwqnaB30ntSkN5bD1t2EJKyQ9OIGNX67OlR5NGjqTO3_pDxwGQNMEdWvGwvyRaultc9CQl259V8qRSu2cvmFolG2_Ke2amrkZwrR_iL0OYdJPtU6NmaAOudM7LywCwjS5VMGa817EqpeViRv.857_hU7BeLu_0F04sHSVw2AA4KNddKxRdtuOSXf5RdWKnjo2RLwPT5Ph2IHBQGOnyhE5meHjOCug9bhwqYmoy.qKx2e_aPiMxM8zysB2r",mdrd: "RZFRhvhaV5pOKWwEu1kRRtkgYGIlBLpKDpc_QD9LLUc-1739097682-1.2.1.1-yDj7FxtfXrSYp3KcwBy4qm0Oq28kUEQ01ocn.n5fFEwI3SrRdWGTeWP6fyH8ek4FKQRiqQtHlH4mnAtL058tZCmPm0T_X0wzo2eKZusbqXDJGiRiWQanwrIgkCFQgEd7YN8RmCUYvgocDhfNK5EYqii7RawGkW7FAMLY7mAF_VCXPx6zJcnA9JBK2wVQvU.02m2Ur7NAQ9pVnijChHKS03TydbBLK5RdJ6jG4Z4XrHOh_0OhpjJM3jaX_lfREvnZiV5IhxwctxPMsBzYhq5ncRqAtrN7NvQmXX4kkLdkw10AJhS1UkmXxV9_aWDjXjYFUemTzSM8o.EaRSs829YRPOfmgwedISfl797xmVdWp8h6nqH0QpqxxTTNQMPQBi3TuzSy.qJJUsKxZvrmxwuTFwCBm5Fgwf59o1c09S4hPMS8UPpfzFZByYkdl2ikKaClU40gigzYXCaVYLVG0GZpvui_Abz6ZbNpDW6GQP3al_eIdQWc6ymaWmgT3XRE441OICtAl4mEnV2yrP1LxkNVTAHhIVm8AeeENCycDk_F9M_y3b.ibHG2HZkSA1dCVfaHYJzY7IFrAb0sh9IrU31eSV5GFN._jxwyjUc6yjypm5Nh3k5RJsu8QNirgA3Vtw1UitRtZLR8GWg9YCFaSUXQ1_Ka8HUUtCyWm5uTFDMyolMwl_BtmdSD1b.p_arROM2ABLThGa10Uw6E6ic.zs8Ys3GFtpw8zUUWtyDHALXJK7JIYeybYi0gHMxSTuN42nGUrw66XEmbB8hWxJi9oUqqQOnBDDlgh3DcJE3L01W3GdiF.knROvwEbfZroV0E9PFYOzU0qAHK598gcGs5pwrOOZwW9ob9OeTxTk8tLDEvod2CucSzMRRf4SuQvRHBTXFBwJVGiQj8AD766XIhRKcKC0peZitJg4EAEToSW2cDbypyseWS91ZXDF1o_KEoX0f1sSNsCfPiYCqYQWGFGLb0L.g1y0Txn.AZ2Vc4Ie.9vcNM0RdgmIR81rmF0lVlyTXhLNbJJSCOBlsUxRAXo8U4NqqGg8.PsnaR.T9tmo7rIN8hxodkUaXkpBwol3Eh72fCrpSfTFG.EXJT5EId44E.6P9vx2tvrCQSwn7PAq.tAbTJteQdja2josh8eZ73ZhaQwuiu9smB3ZxWMjzUeUKguF4lSv5tcglNjJUNBryFsTnjDunwzYS17rA3_x2YindMKI5AxqfDw5mYMyfeKD2fYq6BkXcxsV5ocjku0QpO5qfmCXyO0AZxznt0rVxbT1GKbE2jicqev9QojqWECOnSLLilVGhwr7Fl7CUTpdzamRi4iNEALdXw3QJ9Du8.z6q0PmU9R.jirOBbwjBSHBCCt0nlKQ4af9cRcz9jy_pZGnjm1dEHAx_LT1EKicksym.f_R8_IBf_4Aawg9l2bvXatka9XOBh.hfC0PlDR_3zQO3wj1x4IS0KS4qdLWtYzGAapEeixf.IxlPx6Cy6btjR_wTMsd7vnPBnPpMGKjNd.77SH2896tficbadb3TB39BeTLmfO6C7R.iTKY6eTzR37zN2D5Qat3FiPPo8tBtwl5fd5sXhuuBFXdrnpuniBNFdYdFpHypqPrwhCSlE0r4YCR3.B778tpk5mbzeCAS9EG8Sy1tzySSea1_EuHL825ODBak_4eCB7.VOk1l5IzGHPxhZ6hojythujCROLD6RCTT4pzEEWkG5.Wll4tOlUqVrZrpZbHFuX.wgYToLh_5Y99ZOXWgKZdlcLShQlVZuUkEGo7eoCr2XM9lkAkRQT7.hjqpqGNI7IJkJOpG1ac2Ks6mwavT3f5_N90rcFVdc1wLazSIIMbOxPrZBLefyFdTq"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f33f22fe64e5f1';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\/5928014763?__cf_chl_rt_tk=5LQmzcGUrFiGeiJhO4Dd5uqdkMFcNgXZGG1JVgxeB9c-1739097682-1.0.1.1-9lElb2Awa6rCGAtVXXqm0BVMJRYeMxeYm0IKkdW3cuU" + 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