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-385642391538.mit-edu.top/post/2069517483

  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-385642391538.mit-edu.top",cType: 'managed',cRay: '910f8b09dde58062',cH: 'zs_5IWdNLNgMU86KHurvXIqobC1TWOYjIV3cztkaXpU-1739394392-1.2.1.1-fpHjKc0xV2f4AwTf5OI7iXMX91WyYNM8vq7R2Tmm0GqDCOOSApfX2iydN9A_LWIW',cUPMDTk: "\/post\/2069517483?__cf_chl_tk=ONL3IGvni00NZRpsKAQ.PVZ82HHvcKJ4NVzU7h4CAu4-1739394392-1.0.1.1-.JjhRc7HLGuCNJygUafC3tE4aRoQdihPu2O6BMrmo.4",cFPWv: 'b',cITimeS: '1739394392',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2069517483?__cf_chl_f_tk=ONL3IGvni00NZRpsKAQ.PVZ82HHvcKJ4NVzU7h4CAu4-1739394392-1.0.1.1-.JjhRc7HLGuCNJygUafC3tE4aRoQdihPu2O6BMrmo.4",md: "EF8Noal70CvLo6xXemkZ5OEY79jLxkuYIqnaYF8AnKI-1739394392-1.2.1.1-dnAijfElVUSG0vQms94cy3HVoR0VwaRYteJr7q6fIeGpxcrEZ01FMI5_33wMzONrS9vQ.rAeZqs.GN5Y8mUG6YTEIDHMX9GS7_RfqufLQY8nOcjRaWN.czMVT_oXcVwnghWPqTsLtU_jgWPlh_.o86wqtQvMKajMx0yNDbRXlashslNMjFysRvEGaCuZ3LQlI8lUBQUXfASYQVauHpEbf30FbC0AlyxOkSrzKssxaTMSoxfE4VVC_UOR.t67xezj7tSiuq3cytUJsbLzfNbr_SDYOV3P4eZxIdADLr6mHYpLZbYZuJ._msIOGjoEj9YZecWtY33HE9g_oKwizW0x6_jpl6j3Kr3R7y7YxrRQVAZSj2gfYFUDKEvMDtBITJWYeRlHLaWW4A2hu2otTjEs7meH6Yn7RKrkYgvBBilRH8LUKtUwUY4ozwO6CAmSk6cIP3FWDvjv.fmt0F72TmR25i1FYsbfUX1Fp8xYoxU9WEoN8P92nqxooJELvKhN96wjwyHE8mYIP_sCxabkRrZ21iwuDF8nsqGlMgAd91KaXEHl3_m1V9qzv6bxZ8Op45QMgJrMqvW3sdqlGNV5WXcaebVogNoyCfBThJTJ3grpG8JsRwFiKfB4viulmOzEQCbkqkTU9uIvLeh.2WZK6JhXoPgOpBvHoz8TL2MOTN7c10I1CpMe1Tra2gJOWiclbjUa9JL9zIVyLYUIW4Jog_P5WguYwevDFgPdOwF4SGkIv4v0heHF7qL.dGdSJcjFgEmWUxs8q0ot1AvbDvBsmZAEJ.IS0XJfJTvGILtHwRwldoCCZWSNCWj2hRfmVFH5NDZWOgFp9UnGY3y5P44_eRQXeGfzT.WfD.4n2QUGGVmerYkNMWcL_aXxTIvL5BfPvDULfvT3SF7rToWNQZAPZGof7iSWmmg9jP9VLdoU0rnI5cHhoL.gHvMkhZ4hcMzhVJ0GSWzJ5gtnq0A3XmWrNYnId3tXXPCLPmtifb7sMkggTpuon1a86hu98ZG6wfAwz85SKxl4fKecYHiqDbiQk_T1SahOrkkzB1p58k2RqNOtnWQ4jlDYuO7bZof0ofjRLFOP.nR0mJZWpbaGXFRmYJ9wOEsWUV7PEguJ4sR3R0bhZKn1wsQQJFyGC15oN26e0fy8T_ILoijw7.7zN2fek3fwSafpukbDkpx1dQaw5erx5l0Xo.iSXNc93w8xiRX5Gvi4I4R6H_JtFI5M365jvwyVFBEdzztFuiuvDfZBHDemj2.B.zEaS6tNkB.5lK5GPOOMQvJ8CrNCNNBRfsGmSR4IIhKREUqSNiEQi9fB5kaK9DR7l025zpkxTHS1ychYMMPQ89p2OYtKSJVM7Fhgnw49sHK3r2WqS91rGE2ROpHnZn9rwzNsB4ATDX1iFgvHjBF2btdUz.bXEzSEorxUGF5niMDaP9LBPwLarm8_WDyURp14QgFw6WK3PVLYLQnLvPsfvjELeMwzyQbAwwury9vYfoBE.JlD6EoXUOFBQuGEGs_nTmLCXRzgxetf3FAsf0LQKej8wQL.irdI4AsVCzsfup4OrOVJWs409vQNTfaQ5pfntx3dOIW7CxF7n1r_RYILJj0PA7dhWAA5qz_.A8bzFre9cs9JRIh8OLVHQ6AosTVVfKYm0C2WwAvdfwVwt9Rs39rBiT7lfnTurvPGQ9EUcX4dE3KmhldamMnHNTmA_MqzYCHz.OLBNYmIyti2tR2V8Yjw90lVdU2AjcX58FiZXCIc1kIkL7vByrNCB2V6x_tGQHRprR.GFvVR9ruJsuMVD7KsI.TJoW_wIhbpstUW7qSfnJAyKszvnDc5b0v97kLqQrSwgBatnqZP8stu8bz0XU9qixhUZKnx6fse642lgf9JcRotXZwOmNidCVSFLwXkDbSVvFjvjLoKWrl0MHG7a.tsBPIXOGkLeyum1uATAhToDamhdewkbQNe3CzUVTlNN9mic.QUm7afUJR6DYwGUt2Yotk5Kp71VE0sPWuPPjw67SCwSODyzrUaYgQgy9.1Xb8EB2KkJzbDw67oWEwgIjKD8LdJl.TxgzlNNir7z.v0TCNwI2yGwyEu0bJdAFymH9mJnM6zAvDiB3thnPOblg01LHBpfrtzeaXVSJgo0rTJbtYiwCgMl_6aVyLQTFJv7CH.QqaKDkLDiCq36qX..E_dNY3UMUfFhkPeBRt.179JrGHtXZ.v.q2kNmf5ObPAcH5.KGrbz1EWMBPwmcC1",mdrd: "KSBNVcyzD.lOCSiV_2qjrygkZ2NfHanKXuFFSyPvAA0-1739394392-1.2.1.1-yJL5poG53UIx0sC8wHxI9RkqNCzUfPc_6EFMwl9JoK7mrHR9IF.vNFZXuiRkC1mJXEP8EmjfDMqv.BnFCDIknl_8_x8aL5QibiROMA3QYCDuEfAtPZATi8c.JbxHO.uj_AsURFoFZjXp4OXBz11p7q6v.6C59h3bhfJhRSkVLRZcMC48520ugR3oyPCIAx6PTFDdvzbu7EdhEy5IxesNsWECMYU8r9pawsJvKf8HQSoziz1stJ1n4Aek2355iwRNgknVggzO2hWQqx6l.sFMaHt82p02BidnqC8GYYKrwuwJwWaP3D0tmVQUmBS9xFm5GUf2HHKRXPLYyTd8IfCmMcB6ECygMfGk55rDbhfPU95u1lh.lMWDaHmyXNoCJ2dFRP5_4GbHPNTUd2F792DGqx.sp0pkgzCRKE4riIRMC44CSgprYQakAxR0sU2Msoaa_aW.9yDazjl7fo6tOHeCJhF4kNJx1io3W4V817u1jMsSP3buZo4lqXE4eSTZoskzIBlGmhElZgo48ULG3jtQpn.wO3q9E9LeVy4Q0uy_oxex7L5vg0SGjuvFvkGS971R6_mGkL7PjAsO.XqL7tBSmiuEVIwxkzIbGcNCyMQYr21jcPI2Zr_jSuXllUgQhdoymr94R_4tLZep5pw8_5B_u.Ps3a3SeKRpmViiFMKx34CjC0Q16sNYhYfHXktjD0CcJZ3a7nKmSZ0pNJfZ8IS4k_csMc7zjkQfQGO_DloMX5677BC4QHb6wGc1p10nWV5GNE3X2rh4Oh7bDcvX_sDe.gG.vpA7tmZxmSYIyjr7cOXThMROgGEgzM6Ne5dzGyXzKoGexfXGcT9pvYMiFDExsW2C53kLO6uoiAnA._Kk6Lt2BLwQAH28wRPTxsd_p4yjAI_qi3BrYKErfEaL6gVOrfYSvuBjgb3PIGAA1dfKwvi5yBI5RmwazBcBniASTT0ZYhCLmWeRgpVOAVAjZRbsY98ISrBkA5oQz849C4Oo2NnBPqeykUkiYYmz4kK5lOA1GKpYaHZb9d0UCsVYzLu5HKcCIqbTDiR_hfxnaKGSVuON2u371Lt6YXfboh_7RaR5XqfNqBxQLyFHwe1.xB.fxWhLbu.QJ_gK_yNvMwwy2gdkUUBUM4DFWTNY5CT.f7jBmerrdJzfsghWr88vSnEmT3bgOtl_ulZjKyVGoTCSq_j09b3Z.TnLYzEEoo5osMgfm.mEX3XWe5M53dKTj6DZzdJ__77WDlP9DOV8t3k61mbQcTGgXAWJcI9yDycfVlVMFwi0917f7MVnpbmfCIOVgU27cPL424oMmY8FNbolosaMAT6DBzq3t4HSKqsHRXeXRr84XG0VLfG6S4PjU3vYwfUKcBbagTNvUq6q2IACMyZbcwtpgaGpXcIpOG5kVNX5ZMIQ2dsGNuoO3c4MUna1VxdcM5zZxzdB3.HYSksJc6YtsbcOSYokzpiFoqmJt6zvh7kbMBoltyj9R7KTwhj5un6ZBJYd5aCXgUkG7hmwZ2dgiWXPjvSaoEIRC8Ua2sefC0lQlIifDHch7oiQnGASNUlZN5tLIxruj8HF9jXYJxpZT_6GPUHpsghVHU_I.KIOn2BSMULy5ABcE8mLf8YSOnAPvsD3erMAFB9s5eLdduDaQvrTiRwHIWY7kvGupvDx6sGcAMqhMWqpHtHrOjTmIR87q32tEjQj_eqFhgNHC5St1kN1zi65c4bf5_jhYM8TjUpmudte9TtxWo4JhJMAk7XMQCL_8G8cBpyD_1ahOw7tI0qgJLKpq_97wddB9ETMRIuZM41MlAOjwcZHo40cfA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910f8b09dde58062';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\/2069517483?__cf_chl_rt_tk=ONL3IGvni00NZRpsKAQ.PVZ82HHvcKJ4NVzU7h4CAu4-1739394392-1.0.1.1-.JjhRc7HLGuCNJygUafC3tE4aRoQdihPu2O6BMrmo.4" + 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