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-037473544637.mit-edu.top/post/2619780354

  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-037473544637.mit-edu.top",cType: 'managed',cRay: '9107aee53dc18281',cH: 'Ts5Ac.N2_dRK5L49RS.ktYJKUDleg6RU_2WWb9iTeS4-1739311975-1.2.1.1-ROA18q.t922m.P9mKR7it7y0CA2QeWKePox9.6ndTyXcS1hJCG3b7Pv8ZgZVHTEy',cUPMDTk: "\/post\/2619780354?__cf_chl_tk=5eJlSsoxx7lRkrNMzYLIpiouWr9OBgffnHzIa3N9JGs-1739311975-1.0.1.1-Rs1pBJZYeVQZUnOyT4qRT7TjYCNT7VQTUluWJLYrQWs",cFPWv: 'g',cITimeS: '1739311975',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2619780354?__cf_chl_f_tk=5eJlSsoxx7lRkrNMzYLIpiouWr9OBgffnHzIa3N9JGs-1739311975-1.0.1.1-Rs1pBJZYeVQZUnOyT4qRT7TjYCNT7VQTUluWJLYrQWs",md: "5Vwkj4tprbKVWtF9uZBwOXmbSh4_icMZa8BqbaAE8DY-1739311975-1.2.1.1-nMzioKaz3rwKqBGuNRnbtjtBMNqtADgUMtGnu0ZuyhzcAmpxj1mh9P0MgxOFEMA2s2UYKcNBq49NOjWriMRXeAJDTGiG7IzhDCPQwWq_kvAuvL74GBHdGLf84HqY2ioyQMp20G2By3ILlRFS7yrD1GzBDlHevSe802n.aH7VILXxD3MhUT5ZQoJcWMP9giIHJsNlgcKcBt.ry4xDAquAXik1pGGOe1ofPUov87ef8Uo7t8On5Qy8J4BAROa6doDd6Ygr5cdJCba5m80wPrJxfjERa3_lBZgLJPTYOHPQx2M0Klx5Xl1VFTrZjPZerh2vcmVmleRAK53PRLrHmMdDSlImg2eZ9CXmBpynq.RCzwp6mHpcykklwz6RXcoLfRZCYmYn2aHwq4F2hrxF.shTGZH9kWY9EZq4abUVg8lkbXQTJct.KMbQuw0DtUEgCWgLnFq4ccwjtrAPCx8q18k4CMSTu_BVgbMo8S1bXu1yp1Lsa5WRUdjl0hdVmJLWVFbmN3g4K713A.DZfddoDDpb3p6mlapP0DZGIDTJdyaxYPaHrWnJM4OF4yYykTVS.4GzKPPMeP0vu.C54yD0kKJW0NuqLXTYclXsoPucEUkNfuRxTzwl4eUy2TByFgokXSr9yrJc3TZ7AOLU0QQWvTib_pPt2X8Wt19u6JVGse27bRMi14gKaNEmFkxS4eu4mj5dv3Ok3gdobajzUJVkDKtlE_Lt.ltBlLkTVfDTFiIA0M6sA_eZTVaPYAnPmvVsH15nbmXjlMCGOtyby6xH__fqXAjAW_lsfGgtrzObuXvbru9.rQxc_8doa0lQ_njCwF2LE2NjQrG43vhKAt4FMh5F3w8sEEEQfk7_ibmLGxfwgncCu8661i20QJWq3WzXOiuznqIPdUUtjlMp0Azg6G3RQxLGwMaIlCaQL16A.yved719pRwJesOYQY8oAX_lJr8Y7wfZKNCR5o3Jtn.zhrzBlOctVfcTtVKgThvziSG5lecdqDs1m77iv3brLfdabKFUqct.18barDIOH3Hj6KuX4neIDhCFEU1xUUplK381TDxlBdkFJ8Wh1DgAJaEt4xA.EG92VcSxMhKxf8u_bVpDCOPrPmHXRtS8MAPiDjstjIFu.OG5NtPhIuChaagacZzot1jU6w0bn6hRDByBQDFMtzC.YMOLo2vWg7XPdfD6rjtXJyJZ34NTDMkk1ev0QPuZ4.KcmQuEOdVdS5GHg4Wf4ilE4G6HQsJVE06kk2SXqrsWfqPPFRYCzD78r0v3e5StagCzPgtNvRdG225LStxfuHHnpkKgbjg0zlzVqnPVGjSGY5blba3jSZrAHqHHOoxvRRKQBi_DV3uQUtDvT_ssnsyuiKGwyPluRz2NyN1c7UYNGvnIbs2WQl1jw4x0zVHAm_lS193TQvo0MveQlsjQQosGj_sOkgN9qPIU.lU6eQo1kDX7aJ3vjmeJZ8EgjmPJI1mHZEhid.Crc_DeDv9IG0Ze.xeja1DQjqeU7Qb6gCaPfLHrbLssjZUQDTnFe4cAh73riQWVj2ygjQh0wCSRx9si016OTFMIXdeYW9.94bjwnI7P0OeyyQo0oUHmMD1Rlu2DHvNSxzlo3WZapobGsRzOKWk3dqEWQrHjfKQkHlO23ae4LX1vxfzi721ATdl_IIGmz5er4Ormp0Iexg7bIYK4boh7VjrV8DmUY29gHSjPtMTQG46Aa76g_n80_sR0tOZ1MYuTziAUf.rF6REc3IyFHQto9keOeTfJCFU55B17avQJe3AsDdD.ijKnOAc3hKjBQVrG0VuSf2r1re87FftZhaBXFP3scXuRm8kBT_JMxGG91YgrRu7zDv8YBnWD4VstoYYD6XCI29AEtwBDdVdNbGgxmLqRZ6ZO4oz7wNUDrLs9JiiqL12TDRxlrAkCrNcIbmCdGyZc.P4RwGQi65fX1ykohwLWavvO54DRM._pL2dBX1pwWG0kNp67eS83_nWRYUOa4TkPDGSOBoYQZxAhLA4BMh3hzUVQlR52q7xf3yM2IN_IqstymNK6bLCkQ6v48slLlnYOfSKFw_1mSSKVSjJFC61nDKyJS_9ia98cImUgNgF6gSPAZ_1MT5j7u1sydY484ZC1B34.N8OBs4SzLiTeF.PbreWoV3DaDEw.SVJj.WuOvf.Hhj9k3oi85FDdUGChrIw0hH1cQNkYPp5weKmQHS0IolYr66vVZDPckumx3MLMzrkTJ0Eq3CS0",mdrd: "VuVucT_N3gCfEdKf3iDurIox1o0b_OvZ1Snf0NkPkYg-1739311975-1.2.1.1-pIDeHp8KuoIzNG1Oe5HcaWPDZd6043SV6FpGuUTFn9FdNR0x7vgGKcns.EstcBCXsp7E7v8UZKweUvih6031WkbenP6__mA3ZJQOGArhkG9eE32WrFTAc4CXSATKncJIBon28wgdMmCURRDKS1HDPEcOJaU7Y15G0CapFDq2kCLLP447QtFO1eUIKzBqEMuP41DS3xJ.lXjiqtYCgUHwxbYD3QEgwSvhe1zdRdM6FUddtZwhgpld0goCOo752tpeXLT1K1ngkj3xO_dLahG.ocTYPvTJSirGJRClYkFZ2WFF4FX5te0wglugYZVZWt318MmqDWYUaonBHWt8MXshIxoKFRpVE238243httP7T_iGC3GfVp90UOxpbv76X3kIuI6eA2OSlS3XIZV8D9VMdD4SNa6cLykzqGm2dX3Us3IO7ubMx9s0ff2Ef6Sg9XR2idEwXBEwzFMCoHsgUEpqKxH0XgAhHS5h7fLEBJFzxjH5a4A4oF7bM5Vx8kCxqaufWYx_UleD8FpY64Tv2e465nNYwRhPvl8ZYCiNkON2qS5A43tyoKxjaeoY9QmP3WoXe.GdagVobwSXNtuM3YuDW.FyOQnAWF3NuiQMpt8RMzkFkYK9owyLSIFdv6wi3IS4ySwH5PxLeiD3kfNlCmxPyUO6gyJhMV3P7KtPnkc2froCQ33TCPFff2i7PQ4ZSg6U2lxrI5_BdYnA71Ah8nDF0QmYV6r20aQfZsybAo6mae9lQ.cowbHosBNG5hFjFMKtTjFMxWGsWvIu_fAEJD7fxhkp9EjpVnvXJh5DSpmyUv2e..8zlUyzevK26Zbm9pIfMJOWkgffoxfachdfhPWObyoGiL9ScT7wwiaDuXGvV8FuyFf.Yi88yoXw978KFnI3AFilK_JGUOXIuPkkBMZDsD24RzBkauZkyyJLvPyIboU2TP49Vrr3LL43EPAu.Gr4IIXylIPdOx2aYr6MOa680swIKkjoYQLmTZpsqcHSRtIvQxVZsZ3oegjqQp2YeqMmyO2of1TYzgBeqb2FRQb4la52KtTc2WUBFbwMHkpXd3h9bacRvE7u37NzvhAxvmG8T6ZTXwqH5IdRzGWDpwlClwHY.sH57Na7JitcocC3VTFp_Ks2iR1TDAjbaQDn9Ed3e8txx0DIQlNGqHLKPlq7gWo5oflivujv_eJL5cNAHM3KyG87SasL6rmFgdy.2tgbvaAW4C6hJlIdgp7X44wfzfGv2DHx.73eq3zqILRV9nEn72Pd0KRhV3K6wRQWIFy7pW2Eyl3lp5nX72nCvZaxDGY9EOT.ovZZH0jrXxXFr6ey2NOZ2n_9hOX2IV_WAd51aWks9u8g11XfdPN.XFj0b6aXkH4XEyZNaejVev.PJnBA71Q23mFTZIcMV18VkgpaEvyFuO7VWFXpQ32817j4h6GzW92Il00f6tsGLP_OVKfsoOEYrlQ5OKVAPSBTGYPHqe_5RqBNYeWVR6C8WNaKuZpxxM4iw_SUARN1yDjUxQfvRjrv8LugqYyXFQJNkWcakBngrSyQxgDotsazS2uQ1EBd1kDXsqHyH8vp4y9hFyQlZ8LXvimYyWgONEcRTwHx.KQZRDL7uXJqHuEZLYSYrzsnvbvpPZQ2BX6N2c1.IHUxPeF_NSECyaaqWxdjL9tv4XpeIVXdXnJnMQsLt7tJtv32toQWB8cnoXh5JUTLIrvZmnRIGt0FwAFydjGIUB1dcz..duSulinxYNxgRePYr2grpZ8k7YAQw4uHNFCI3JVjnVazEGLTb0UjFC9jDDzWlSaGbx3jKOAcoFMn3JJO4Q"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9107aee53dc18281';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\/2619780354?__cf_chl_rt_tk=5eJlSsoxx7lRkrNMzYLIpiouWr9OBgffnHzIa3N9JGs-1739311975-1.0.1.1-Rs1pBJZYeVQZUnOyT4qRT7TjYCNT7VQTUluWJLYrQWs" + 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