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-367775595433.mit-edu.top/post/4713685209

  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-367775595433.mit-edu.top",cType: 'managed',cRay: '91104205f859d64d',cH: 'oL0t2S.2mq6WpPHJrRPxS5q_E7ZtOe89O0jcfA0otOE-1739401887-1.2.1.1-lvPQaI5CsmOCkG7XzejOeXPtBdC6JX9kGV9cO4qAjH59XAdKBKRK1k5lMy.KH_45',cUPMDTk: "\/post\/4713685209?__cf_chl_tk=F0EEv4fkgil8dTyNQhpkEziSWl.BbhpbfMbE.M7.6ys-1739401887-1.0.1.1-Lo7HDa9vXolGqRGULh8ODHOzSkW4sHNLTLVoL5pFwfs",cFPWv: 'b',cITimeS: '1739401887',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4713685209?__cf_chl_f_tk=F0EEv4fkgil8dTyNQhpkEziSWl.BbhpbfMbE.M7.6ys-1739401887-1.0.1.1-Lo7HDa9vXolGqRGULh8ODHOzSkW4sHNLTLVoL5pFwfs",md: "oq6STgDGKs68eMIphF9yOzshshsJe7uzt7i1UOtIpLQ-1739401887-1.2.1.1-QJldQeap39NsXfR5khpcifsFKIF37joSvsEoua8VdbMa6hgk3g9Gi3R6q1FR1PqJr4BdhB9FIlaQq6NnXQ0xThLfpMzXsn_i.wwx5bs_q28SvDIml2YJeMxzZFjrtWKN0BYmoMWs9XWUopjj7rCdYQYb9zIEb9c7mcuNpOG.RQwctK_p1vuxPwNwrmYb6F8jCYLnAZAd8kOWeZnB5kC.ZYvyilJnv_gqPKWX2q8eQ2d_jNSCkyetrxg.WvgysZzBaJ4K2tphVy8ADqe_QEF6yQOej5W7Y96pzz3AQhfJuLoWC7NUxfPvYiEUM4ZSB4L3HDDvM5.sqBsRNYsWNFHPYbRRc6qWsZde0Pki0fpE5W0jrC4iBWJ9ZDu59zV3VL3elFaLZ6J0SLzOePi13iEAKEcMFE0g3FTYLHAVtzpS0MKubFZGHI5X_lyiWWJ30BufCno4dPbfacSfCZHO_7ELElzPrPX7VB9Vp5x0kqPn89wy_YiYzS71P_.rIxnn94NR7WpSaLPUELNh1NMbmOxMb4Nf3_f7KHfQPFPZr1QeO5NVVc8gIaaoSlI5m2kFxwe94RkbKcAi29NjHLe.yBMjLE71Ttm1VknJwnk5nI5HA7nbdLElIoItIES_hoz9o5XYm.t8l5fwN1lmUuqy_rDkzAiPLdcyxrYcuHd8_9mMn.Qr7Pe981feaEeSZXio2OfSBa8y33c_J0x.F13dE26V.F7e9oSQ._Ft4VJVAbMRwFqGXq0sMOLcsrUW2wSh3SzjtyVs5hEFPHX6Y7E6PqAREoJ7kwwZZ34a9SFy60e18Pk_YmG6ttjpelvQBM2ebkHZgKTUXErRH_Kz_0Ts6ml7KC8FwhoD8LQN1zZqFTwfX7t.r41fCP6TJpU.grTfv.QLlY4U0hUQrLvATWpmYzJElz0s1AnbOaQfkO_oKohh.RUmEghCIhmYJ1CJcAoQGrFoF_rcxUxY7eiVjGtA0BwNTv.uD.33t6Z8fsY1mt6mVLQbwmeuvlqTSuwL8oWVsRDRScN6dZTXX0wIo.SR4DKOyVqqRetj2w0DuFyBuCCIRZsxA5.jt8bD4Y4HaQ9dp4QzqXXFXKi62QfqWbFvVBUy4dOeeJktkDwanxVZF74jyn1k26Lemsz9dyQ9WbCiL7316Bc0b0qPpenO3DmS0J.DrzVlI2oPj5sVuzKrZzBxSpW4EHKuYK_Hq67AnO_pF01I2LJ8GJsNVxW0k_vHGY9rWx3mrje4NwqAv6MHFFdKJLsadiq3nbQuTYxBbhudtSzaOk8.9GBdLllGGfbyQv1XhydOSXMbMAkTy34SKM_ig2.a1DZLAQc4E.0IjQYl6TUKZqplHqjSZmx8lfbXYiLJcxVkYRN2p0UvplkJOttOgKMu5S2c3nrwQ7rfm1Mu8AgWSgUhT9UZj32ZKcFMIGAsXKnXtwsdtSk5UORtPuoASq0doBZvTu97F6YgXzb423qWB6Q5iHJ.s7OtOKYqfNvLRlojGqZe88lRK5W1zDljUx7AJBGWmuGlzmCteiuCG38DloGt7arh3GbgTMP5mmIUypIMXN_nqocgR0Mh2nDkFhZGGTLuC6q0ATktuM.uULI9nH.PYiLizoRonw44x_ajbE8sGaIea.78jrhTfM0W.MIDvkD4r9VD5FaGzDSXPYkdim9_3_mxCEW3RJtHaieGlnwao2DGYEYetGktthbNrcqXHu3a71ZDnbuwGcCg_RDME2uLwmSJaX8cN9mqJLhs.b89eENMozjH.VD6KvHwtNdU.uU7uUlmqWuq455g9f1qSYBRv56973hMmEEs82qKXldPdRCapwLemfDblfyhuwaGPkWslBPG49RxTV9Xk96oJDNQKIphy3hOSKpIKGMiFA9SG3ZzTogaADrdyQ8376kFDtP2kxVr2sC_PQ5XqywiqyKsqzorpWeEwjmBw3P64jYBCu4CUjj0YLtF.xlRElGJrCP8HR2yIIbkrsrsVS_4ogV8VWQ6dzJCDgCDzOQmdw_N3wcH7VopmhOubljDV.E7QCjZe3rQuZDe8QRrrcwajEwiJhtryV.UOpBH_gNhspQt0FmaAR9bmqLugIV2sxZ0J7hiITlvXZMQ4E2bDa7XOumr4COrXSrN9kokbsXC3PR0VKCKmgjGbYw6vMZw41v7ypHVPvFO_YEYAZzW7yh5Xon3LKoQS2irfnMVZK8s0AL.5wX4kJYQ4gvmmV.Uh5eqHpXMN8x5UG2RIF6I18nx",mdrd: "B7iVUaZmlElQWx2tp6PULuyrIamkvgm5tgtQ16X5NF8-1739401887-1.2.1.1-UxE07aJxh8Fm7Jjep4sdhqnN_FqD07hrRV3HtjcGfQQopZbaHOZDQrQZfpckvhhVoAZhPaSP3FI4ZsdUICsD6RUuAsENKn7ulRg.sfXSiGyDMJ83V5S67zMAtIIFWsv3Gp6YHfoxbIG45SJmWK3K6jfk7sPh.hFpiq1KAlsC0euwg0sZLouQgP.O7w3yHGt2ij575npFAYhQv7bu5iLWsLFf4vY4IIcYt48hGZGno9oawr.zpWb4C8X9j400fiN0eaLobTgdJJGiA6u8Gf4WZ0aFfcKId04rYlmuuf5Y1mcYu5yROJ9079xcdeHZpcUP_kUcMV7q.EjT81jp1B1LgFn705QU3EHjuyKiyGnIacLgsvxapUPcjmv6iEOM_g6f3HoP2aUBH660iaDxQPOVrjQfEqbCgTaJjV4C2P0xm9x8Zi.ElpnBR3FqMjqrqGpVEPKWwGA8idcaKD8bJcjBZP8ncUkxbZW_qmAAEgf936N94Ydop5NBa4XcpN2c5yh4PJRijIMifHjbrNkfCFec9nLtuN2pxLR7Nt_bfJle5MLHQgSp1wnmR5SavsrrdXaa2wgTLN7D7kKYbSHZHQ1zFU07cve9plmYUof7QFhzS6PHZPYc8V_iKyz3R_myFilSgKCakhjME6eHOy5M4EEqmAs3ucuI2OyP2quPhN74NcEWZ3_wUCl2iHar7Pj2B7TuE1XM3zQPc7ou5u6MVuO4SHCWHM07Twi1aHNNc9_tUzZyIIPuWdBuStFa8v32n2wiKOX35UHCfSS54nSLiHFGFfa5QhYFWFt8V2c5zRcyqnjOx4.JhKzyapmoFeDfnjaNuXHIgCsI1A1FdqFPM.kznedibk7_qHJ7M.DKoCW7fvtfF2N5I6FKUpc8qiCYnwMSraPsroQqdqyiTWwEVzJi.P5ldWLAfNg1S.uekg94.6bYUC_MfH8IRBEOZzrXJyuA8dbQsjxZD.RQNgH2UrCK7tv5gxsGlCNh8F9kthqLWVTkt7EPqmdTRjX9N6Zq6K.mnQWETaQlrXAEIJLMChgnhlq.jlUiYV14LjFJPIl7G5PqAzB6lruhTl17v0fKSO8a7XRA_8qrK5nhzN3xUzvceIvViA6rAeucs0CKLHitKP2_SNifz1r7OMRdyRSpPPX5dBOsU3W.bYCNjqrZiqmKssf9X9kdaEnTtOInX4p60zqnnkoWazEFWyVgcgwywV5_S40r_uL9Sy0YaRPB8TwRRf97ufVdVHDtkXbtySdKDcf_DaU8KNvl_zijDwewv88onfg1VQ.OOUMPs75U2JP4WzRvhTdkz6W7JOtacip1Z9cc_oVm3IuIJrmvPTowaqO1Tbp1HUiqKfeqGYEBJp2fnPYkjOHj3WIaCSueHwMFHAhuuwq4R.s7Smrvn6ssy2QyYn3Equ9285tBAPGjDMrmUkf9LPqAubwsCZZ.PC7W4ElCo.8lgGM.6IeT3D_WfUse65zQLSHCurd0gmDh5.EMa8kulXangyg096tUN2yB1EB_gukCqzLyFyPFly6.C5sKfKqnlohNpFSUnwaD3dlruVIFOsWcEDT.fsxC_aNdUiJRqKmEKd.DFhb5qfxunNzJ59tqOYm8rvbavST0SzF142GXjZmnNTT5jt_q_WIEoxh0GEctrdxArkav6GdW5qh5oGCBsZcBg5m7QKaeoLtsCKDFZqDsNiUimia16iE.yWj2tQ2r17cITSk87fjOfJGSWaUuLWQhgvSp__4HG7ZtnDS4OWHQZihAgq_MgRdM9dfeK6dTX.Od9158ttzhHTVPaB0sTIOmxtErxRRCNtbAW4j_qNfnYTb2r8O0mjhdi20"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91104205f859d64d';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\/4713685209?__cf_chl_rt_tk=F0EEv4fkgil8dTyNQhpkEziSWl.BbhpbfMbE.M7.6ys-1739401887-1.0.1.1-Lo7HDa9vXolGqRGULh8ODHOzSkW4sHNLTLVoL5pFwfs" + 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