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-affv10gvr.mit-edu.top/post/5307918426

  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-affv10gvr.mit-edu.top",cType: 'managed',cRay: '90f37706a8a8d663',cH: 'ItMTc2MWAADGi_YVwvBxJXrnQqBDO1tVgfJQ.MT3svc-1739099971-1.2.1.1-zoUHzeJwKA9bOjDDALC4Kh9BCiCntGJi7rMmTktPx5VlWlkBv.m.BZR5J3YGIMFf',cUPMDTk: "\/post\/5307918426?__cf_chl_tk=mvFENqnCFl8J59A5IYmmdKqlycB56GJjAbKmETuPRvU-1739099971-1.0.1.1-_ncaSnoRxa3ulC5OpD6yQPmxFzIbrbSYNzxO6g_xU80",cFPWv: 'g',cITimeS: '1739099971',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5307918426?__cf_chl_f_tk=mvFENqnCFl8J59A5IYmmdKqlycB56GJjAbKmETuPRvU-1739099971-1.0.1.1-_ncaSnoRxa3ulC5OpD6yQPmxFzIbrbSYNzxO6g_xU80",md: "snVdlzkbC2196vWfujEksKyeKBNxBixJQ7NNqzf5IO8-1739099971-1.2.1.1-FR9vZguEYHB6iVQUjeZpG_srSFTdDCwfgZYLSZvsi7epcdP5ma4NpF46SrJFBx4MgjdGCiSQWfQ5caJVTtkskcDkaojpAtBSNnusgJEwS3kLqshzpBxS_CnYYdYdnPRujlACxhmQ.zVM09KqTDP_O5MrklK1og_izjgM2wmD6JucNeHyVaE356Jqc0YfxWnSmLpPRD5ADpVaoFCboNFyQzmYBxn6PkI2JUhN4YrDoM_pHEJFDwS_Hx4e7_7UqkTT.Mw52jMEAXIjzWATg3Kf.Js9CHPx6izB1YFd01uIElJiWwg74bSjQk7jKOvZxAah14XSk.zojbFvKI2nD2oZxAbt11Jm2AHhc02P7Ea__2laqYqyKv14lrEBBFHV8gSxdh0hgtmbhiEE_ag4D9fzfdzY0CD6qssZ5rwfEDJ0yYX8kSOQBTg.tfJiRb9AaqahuZ.pvY2Y6HFgc.xtY7DfwY968LE2drGsaP.njFXyOFkGEWYJeeQH4Q.p39.SSVIsyIKyniwiU26do5s0C.UZjc9sQr8MJ2FdB0S58qb_zduYkxgt9oRnR_fVmQt1o6Kg_Jj6.cC5mMeS4hINKt4rK0nXi_pM5OMV9Wd0sNzvKPv0rCRzbxGxVG.G7uUFHvsGLnXCeatRXGQlhjQlhwnUfH_1sM81z4RXgTIPMFSgpaxHQ0wDLqKvPrsj8RdNXw6QlWfg8gfXF6.rDTo4FTDPjfAfV3s2EeksRUM236NnF4khGVFuW5jDU9Bzu4LklFJSfjj59yx4RgQUJAoFd6PFc6ZEFc.gyaLdWODG1_qAJMcXdeo5.GGg6QiHMvoFmiGVXarpgYKjNzvtnxV89dUIkvKBOFTc2K_MVhJ5XPkIpc2wC8dENDRhQn.IZ6Q7H5_WXM3bHJF2NXjhyFe5KChskiz7vsLyp6wfIlXJntFg9wnOuep8pPcolvXIT5Tr.P8m3IwwWXhhCwdTMiQZ6xImQd_YEq9_OI7GxAwQ.SJNIKM8jOyCnWdq0WL.fk99e3rr_Omh9J8JioMpgcPDYxAMsw_K_TNx.527jtwv_Fyd.5ha7KiRipss.YtRJYV5mRRUcKh_LeJCp0wyMpJugeOW_4wpdYoKcE6XnJ5of3eAB9x9oCp2FqSPFZCDJDp3nhOOWXohvaE4nLKdQtqDEumz3Vdn8c2yCOuZ8s7a9plTNt2Mc_KAmEkceCPwfK8d.yTsnlBD1GwFOFzubeAw8lwJKL.lOOJRJNLRxg5q3iORqZd8jA.r0f6KY1Z3cjatjq5gA.UdbykG1gIZFG1CRS8h_h2F0NA5T2Nwj_75uDrFMrZmuJpBTC9rPpRopd.KW_Cw60E.dc7Lrb4ShrJ2_ReLMb3GIOrgVoB6bKC_X5dL8hIwkV321SxxOcbMXXH8P3uPxO8U3wWRqboPHe114Jb4qIyPyVJJJDpwL23bdTLcz29wN5ZzLKquhZWtRjPNnqOFYufRm_Ff3v1CAgJYUpuTnKQO7bd118N9ILAwznXx7tGFt2JaKb79njqDWmi6IKnUjdu0EpINEjn4gNhXNv_huLrDuBynB1UvXUTHRjWG4zxcRTsaUIKgF3p9HqJgTYIErcnjJyL4RtoMJ9ShghQi8ZRVnZVQBUzPrjVzZ4CDRu6Yx6BSHKIuhaN4OT8br32TTjS4iKBxR0kM0rezQQOuNgQ3hl79ODUG7ojofWu2FbwP9Fc.fTwjcaFW.LdRhtQ52jAsB3Df9_mbwM2M5PlGRc27jRbM2vg1M44MN6UtGYL5Hf4Hw3zKngR8leF3CvwYgW0weWx9_VPPEfJ88KzNO3S4GTWKn_g9flK8xh9SsJ0MJWg7FbPorZqPEASF2zgoYC1jzA6Jf5KcL2nJJmReqYRbmns_KxscE7K9ctF3uPCVj3hbm0y4HpxMOvhfgjZa3yMTnhNQLQDmJ59ZIpN7kOzoDpnUcJN.FM2ZrohQXoRDOEPuu6Wo0tQ9GQOXnbeDeOwBj1wiCyT6HKZgXi_HO8OToyAwCyL0IKF0FEO2c6QT7yIn2xYzyjS6I22sS.UuE2xPRNlOuxC7Z.gtXXroj2FERo.YBKHodF.w7lsFjneSrjQeDHGTiF4hBuiwX4GEUKPXAIZ4tnMnyOsPrNEz5YyE764ww2z3M3eLW7tw4aqqz.2CxlffokVTotfmtljvIz.xY50e5dRsQrOFB53aUfzkcPd9KxT1zPPeOfVR_b0XgHBcb2EVvLijaFiNROYK",mdrd: "GL77UWEQJHdTpv4qc.Yc3N3N39vp9_VnvWm0XJfqp1Y-1739099971-1.2.1.1-j3OtVKd_8.sg64z.rzaLfWKpicM.AOVIjWIaByhwhc2ZfdmT0XRVCQDLlOBM5VZ.mPoAjUjHYjGlWY6m5bK63UuvTXA2PRMqcc7N4apx_lEQAcqauaHHsWF5utJoxt8P1q4qr9cXKqTIi9AYSMz10PVfP9Sr11WYNVL8ZqRQRW_2PYPzgw4Jpx2AIRlNL8qGfvikJiT2HoOq3KWpBsEP_7ngs7MVZ.ceyBNUisEY5rOwStukTWYy9f2mNBvxlzMscvdcM8mghefxhxDuzO8EhL_LIC43USkjKTjZbh9LFOp.Bk05sDlwbut7tIeKpOt2uRG1Yct9vfZW_LDI7H0Jm7QX3WSgiC22MDqPBM2kE7kghC2ngkfITGpp1CC3rZs5DHtw2fJYviW1oyiSyXf6OXyd4OZBMiv9TgvYADg.6e4jzDKA_HXpLTGLiu6xjJVefcTI7GPj5gC5xwUuTn0DmVy3GAPyfuX2KaozXnNYxnXnaRJ5N_DCrfDtEJ_9PvqzON_LDzWBhRVMUqcd65_I8Q3AeB17w4RCR3lsDdb69wFozonJ7TkyXNXosguYG6cEx7SYo_zPyzy7YmiuTAWD9bbcad7Ow9xfGzMjZH2quhghGir3oIonlrgnhaBO0FvOuMFmuSSkkyrnre0irDq_6TH4kDHk8A0JeIbEbVJDzKxsHxygkxz7ows5d9c6YVcsMAT0os_sSOsEBdksWhrm2BlFJvSRjpdgHQdznVP0a9hS9MLTTYz5BXcxhOOYWKzg235In6Qf3VJV_IPEmnS3oLrMdwEJWXSKlSz13iqWBzkeb4GP57wf82NIat9634Sq8rAQYW1C2W0cFFXkHx83Dek3XBbtNJ0oUrtkyPbewmc8QH0q67HkiXOSn0U8xgFSxu7uFqq.i5XBxPdG.I0o2ljqFonERR_0O5zzBbNtfvOZhtp5eEMS2LMXs2biRaLMd.Tr21Utuwusvff0HXFXBnsXq6FwtM9XVtZ2ffRuK9bnhGOgph56DuP5zejpZFlPf9Hlt4xeAQs7P.gAvM6BtnjnHf1.4sVTWtrRzLOkfvTfyXdguU2zdgfGEf0FMrXh41avpRqkU0KM69hrhM_jzgc0FqUKUvQZjnLpczhX8nJdo81Oi2fFZxFG14ijqpQWpdleZD3.mkCzwS.dzjStGk0hVWfRp9uNXJdz3veS9DkknEJuVobasJASX8Z6b1Vd41JFkEmM8OoE6DGfsmUNKlJBe8f6E9V7goWOhHgsnxV7C3mWVcW4MidYqkXXJjxy8KD2et0HlwSh_OsMqBCwXcust0giMYynquAXTfsqrQH4tCLmuijuNQBnrJxsieGN0Q9L1SNkbmxdPnvwx2CpE8y17hr8G.RWiCOKIYhcTMSXSR8_HPA6dYrg1S4MuzvoNirJhwITU0huxr9pg8rLtPA5RxtcJtlc63fCAo5r0XbEkG6xMz2ll_MfKqghqM4oWG6ZNshXBALCv8NUgtY.AJMBXTUWlDCLsvK0dmhO.X0dBmkp2bsNcd2_qERUuDjicsOY1jHRa.3SYTg9.dAWsz7Nyj7LtGAkAw8nTvWIeT1Wqi8Tr5BOvEZeuqyCF3H4g36PwatoNOUylRX_Go3hL0yE4g_y_800DOt8sGgabJHsYij2Ryn7lBln.6A_misL06JVo_rl9_kMxLB93PQZY01PX0qhcyFo_RRlOKUkd2ZWbddLz4eetGsVIfhwGNIgVqFuX1dbtp6rlW1zKwHdzIylurP8_.PZr2a1EmJAE7LftIeGtPN_Vi4FOp10GMSJruMveY2ZVeNqhlO4T1aP2Q"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f37706a8a8d663';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\/5307918426?__cf_chl_rt_tk=mvFENqnCFl8J59A5IYmmdKqlycB56GJjAbKmETuPRvU-1739099971-1.0.1.1-_ncaSnoRxa3ulC5OpD6yQPmxFzIbrbSYNzxO6g_xU80" + 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