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-684205331722.mit-edu.top/post/3981426057

  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-684205331722.mit-edu.top",cType: 'managed',cRay: '911038d5a96757a3',cH: 'qdX3QHb9_.gUMx3YjNqDeFRZKpCGu5CDR7I.w20eowE-1739401511-1.2.1.1-9FtBex9yJ2h5yZ.pnbMAcP0lMTFqG1080JTn7JMzVTYGW.SUkPPojMFmEidNPZXW',cUPMDTk: "\/post\/3981426057?__cf_chl_tk=Z5pRlut4ZS1c0BQFvchXKovBE9C_Ejt7l3TEWyhP__Q-1739401511-1.0.1.1-_8WOXxQkWAv.hsW4c7890sd6AkUhrRIij.BbXElotEI",cFPWv: 'b',cITimeS: '1739401511',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3981426057?__cf_chl_f_tk=Z5pRlut4ZS1c0BQFvchXKovBE9C_Ejt7l3TEWyhP__Q-1739401511-1.0.1.1-_8WOXxQkWAv.hsW4c7890sd6AkUhrRIij.BbXElotEI",md: "Let..vsQtIOuwrKi7h4xhUhFU75vZsVQgJZYxlC.mOs-1739401511-1.2.1.1-CajTkatH5tj2U.2YZWe.bzGUxHLsa1bBa8xxln3a.Kl5qW9cyUC53PT23UjfVMQ6vMSlpYBwWsPB5jWBOZwSAG7nwgieq8BhDFvleHB_WXLTbD.Kn7DHJ78u63Q8HilxKIBVIb_KKG.wADd0sEqs9.BbhZ0CmqEEHry2yfmRtHt5ljFx1B_EZViQvg2yaZWHq81VfzmC.mk.cG_kUB8n9ZL9fmQj7mdw1tOAMRvUy9fdk7lRg5gEbNJxvc12fRvyEG0Z2WkN93m9KzBcbt.KwkQj4d19XkVWiUjADSUCtSqAmrXrdIflHQF_dUT1cKKdypLsEJHbKg8BYEO2yUfi2O3rPZY5G469VRnDrALhZEh9Bh2qo7zeHEXrVT4eDs5EvpE0Eq9M6i8XEOCxE0BAmNXszmQXv3NTW09Ixhfd1eY7EB6RJSnrhe5N_H8bse9kcWGZNRJNd3TSRPK279.tqICSFfoBhQdy9Txm_Z6Y2wcjEtQZhfUkXDcMwzM9m2ownMwXr83pjHzcS5kxlQzHI1S2RDF4PC7nmQf9GZ0r3NXxyK7l0cVyD0HAVQLFVxrUsFD50HDmYCu.GwTaLDdxWgmP6oh9fCvi5W8Rl6ItN_UCGWOiS0iqHD4gOCLw8Q8cgMLuygvjfmwFgIR41rZXPO9v3WeBN29q2etMjrfeXiULbX7etS18VFMHdPZVk9b.882UmvDOsls4gdRY1VzIOFZOX1p5N.m5.SAw6dqSTDrhqe__.usPRjAUnAeyKsBBEQCA5SAXO3GGDF16ZH6sLJwqwgTn.cbZe2HkM8ms9aedj5zohQqSe8MT_mU7NdLWsMBO6EXPMLgQfODrFVpwJguWenpD8eTRwu8zmKpmZgy_cZVCl21NMN5kJi9QD5BG.CHK3dTzc38Uape53SxDHOfHjd4EqbdiVr2DqiiZiWoLeQHXQjhl8bsOy2UdGSSR4Hi7usYSHlsqVhOc65yMQPKF2wpAt2hYxp7ymNrPF4EFSJFjmc320bzS_KdO_Y0xxqmeEtr6M47w_6Dh80YxzmjF.8ucQpQ2GmJbij2vJlfmTK.2fni2NWkHk11akuuUY_jM2J9eA7t_oMuM5PpLZp6lC7wzqcNZSONcXIv2eQbmehuyFKQKDsCBdIxwWw5Vjo9Ha8m2Qdb8P7wCrxgDj.Gd4XwB2rDaEbGXywNVT01Xl__Cvktx4aZEglIW2UAuEsDLmNswIfXaAM3iHa.lBTo3tfzOEb2fLWMb4MNSLuN2Od1C_pnZzfga4yrXK7olHL9MznGxVpfMMDhE06BhwVifj1r4mrHT2nGQh3l0quy7IBt.XaGQAF1OrL.jg7y8vBUAE5CcJW4HtMbrlW7sKczQu7VeB.LBw7fOMRsVWeGvUDLsGVsVrKV8Tz8jbB8QE9TrbwPt2sXffgL2nbfupGdSpbgqrkIcfJ7btGUhqPiEDybxiM1XrlQJDDTw5F6ppXq6zMs8nuwxEIb2w_nwqTFzfnikGGGIsSdoiv_RmieHyd.sHKiXZEuLfylulva1Qs_5PJuDdRTKIZKgC8beE07Tx39NwkKuSTHWHqISqbxD3o23E01hRx9RmrVWR3U5PAAUPG8pmn6qDBC6Lm1lg1vHf4PVGecKT_Fp.wizKcJoE..8l0P7DsUtYnoTRGjOV.y5OtwliBm_085eCbcznU.m1ZG20weBrFpUULQqJjmkhCy5yVvzfs.HfzL98fV2HqKsY5EcF4QP_TFhS8kUyrP7K.JcQxrdMgVgtclBtHkhI8yyErIlnm_.89GBwCOeCEPl2503iT.L4UKQAWFVNcG5pg3i.5ys3aMVtpfU_Jza0CXWgpNy5y47__4RhvegPwyRatOyn8iA4o.o2dIVZwdwJCWa5HSlXEU8Zm2Gvt2E5hayAXiep4GiB8kb6BVz4SrWBqf_U4IAYxd8UKJc2pdFhLFDpaptOE40hAGqS6ztGe2G.SNdf1pxf9LDw5q7ACA0IF4e.9Tvt7wTeTTYT6NWtpQXWX6z2bByJiZnhP7duI28NKbuaar6.ZKnTVrCujHwsb2EEwGJZiR0EuINcKkt_1awgppbut2gU9z3mIqQl2J_y8oWiHT_I9FtvoGMyMDiBpnvl8D2hW3_.l5xQzg6YIrfWVqwvEVzdRk6WBl5eVF1S4jM1YdWThjjpVu1ntiln2I2cnawH9URVq15FlLhNKoVWy4kj57k9Rr2SxSp5RLd1Lqr4ujFDdBJwhBd",mdrd: "ZnVOlYJAudGj3oN.85MKs9pYuW7FkJl4fyQQt7lz1GA-1739401511-1.2.1.1-M0RGQN4kI.0_zAYUWobLWNY9wwNAV087Lsop8.TJzGoXUqKZn0PTnbReCkPz9ll7X0OMukLuYhc0jgXuyVTgnssBUMSBXcfGeFZ247BLsv0ML7BWjPTFjc0kYljX9X7umCv90q3YAs5VE5soWCCUhTNiOCJK6AaXUENLmK46iP1.43YaM8l56AOh.xX2_RKdViMwD4TZVTg4JSJFkkCdHFd4ZnHGBJC9AO1h.6IOUYPczlKDaXXgaruHq7kQe0Xw2UdDv8SlxWia56zaNdlStWJD0DtjhF.11rylwLLW0MMIxVNstjz4SDKP7DRF_qVgNgdgGIFUjTyRGJqv.OH4xzZDpU5Ag3WgvbaTzM_xvUIZEZdiwLRmu.g.wMKchkwlRhoz79.P06Re6cQRub0moKUgJxMT0kNXb8Ec2qyt31tFYYBKnHSMPIgSu1W1JS_ze0DQG5wT5XxfXtQhZhUOIORFPdt0Yhu5vCV5qX4SjhmU94E7RlBvltIXz8UucIn9bdtgflguansHFgx9onCYsEOPM8E5LAXEM.kfJv8onqqxbdSzg_vmkMeYNepmWiEAJz5X_0WP.dsfkljrTD_NFoZ4LtHNo3RJmSyPzXcHDbXu.Tu.65Ppd5o1PGd2mG0yXhIhXmBo5sQg14s0VDq0bmJXjf6aC.91Nzl4fq7RsLX3QhyqkAYM41HUMihcTJ6kwloPOOgoDMD6KV0PiOmgG9nxEyKj2YrQ1ZVNEyZ4db1aEDKDtRjULvo_ph4OxyAnZ1631Bh1qEM9ZxKoqPkQze.kjW04EETPKt608OZSDpORItmgGIkquzgejy7.s_1ieDLR06aInsQzv101E0TIs54PR1orB7zPERV72zebM7BFTb2FSpr.11GV0A6KEapAvcKKG.N76bAFmGYbqtuzDlS1ND6NUAkqEkWLIndI4jRS2M11iYEjj8RUWudukRXTJ55q7gim.EdNbWM_AGXvI7CwVdmMF5iFYwQeEo8esNb3Obx0OproOTUO.hGjxREH0OizzYK3lvHXx9VfY2_votRuzyNR0T_mzGykw2v2ABstCstPDGrNYKNvXR75ji6bTkCje80PJKGPTUB80IJPWtzhy1bjLD1beHdv4jcR0kWlinMQlDLs5wah0SLUdCzZXHUx9daCkKIfJOaoUnNJKSNqdbiw0YBG8YqJ7zq5iPyXf4BhDfxnOhXU0cc6q6Z.OX0Y6JlgpinymL6p0xZAQFqWxla8S6ICIuBEex2ygXGLrMZ4FtzW5B62NvxvLVEPQLGB1V7rlnNV5dUCmygqkGfk43OpKLjavtY_Y.ut2G0SjB..DKz10RENNlC6TzOQ2PEcLMVGwUpq16ZI4BcvFMMNtyw4qljXLcTBWAvVdhSNRdN_is2K.76HZSMhMrmmEWqKQotBXkVu4r9pWoZqryccdJxY_86rV8QubiHWfzhFKlI.OeLI.J9m7RWoh1dtVBM6uOtbl2_d47ooF9EnBSgeVakLMIUjHT.gqNHbRxT9WTwKX1pF5Z6Z_ldPDwqeVsUpXpdA4yvrZpvWg3wtR9V_pVvHBWxmN_luTDXsDjphmo1dnaW4RROYCEHbF.ofQyRVcoIxbC3Z3ifDJCgrI1vVv.FC_Bx2wzTGJTScy9AZ6Pr3B9ygHuXkwx_nt5UBEDXheFha5EuXVQ9w.hz_qdhdVWAMwhZ1M47nZltec.FAgl9lz7wMZj8qtKcmnv9GgERhOrsRRXyuiG8AOt4yxQ0VhtACn7v.YDeM183LIUHiEkWgt974pG83o5sXCdsLyGNJcbbr9HhtNxCsFPakrHQ9p_jpQbpHJt2KWJ0KSY0"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911038d5a96757a3';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\/3981426057?__cf_chl_rt_tk=Z5pRlut4ZS1c0BQFvchXKovBE9C_Ejt7l3TEWyhP__Q-1739401511-1.0.1.1-_8WOXxQkWAv.hsW4c7890sd6AkUhrRIij.BbXElotEI" + 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