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://md0l8f.mit-edu.top/post/1507342698

  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: "md0l8f.mit-edu.top",cType: 'managed',cRay: '90f4c3249eb10846',cH: 'J4wr8a2ARxMxoopdjDoJhiGH5NtvYTS8ypV5fn7Yw5w-1739113575-1.2.1.1-Rmw0oxo86Pk7FW0jhOTdu9JRVSD01dQc_be05Faz8T4BwMoSPXIGuk_Uz5XOJBaK',cUPMDTk: "\/post\/1507342698?__cf_chl_tk=_i3jvNWK7nlvyB.tB_wk2tomYmH2VNCrdhZojr39M4A-1739113575-1.0.1.1-5HEVN30mBTetB5ZOgHn7byKG6uLWaz6wLNpXsIvNB28",cFPWv: 'g',cITimeS: '1739113575',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1507342698?__cf_chl_f_tk=_i3jvNWK7nlvyB.tB_wk2tomYmH2VNCrdhZojr39M4A-1739113575-1.0.1.1-5HEVN30mBTetB5ZOgHn7byKG6uLWaz6wLNpXsIvNB28",md: "6gZGXH_HldpHITXBYEUzOyqxIB4Zw.VZWB1DC0l7TSc-1739113575-1.2.1.1-FtCoQz0v2JN9Id.yg_A1VF7m0Kv.8mZ1IcGwWOqxG9w4nw0EFhIuUb4DfTMI7QD3uDz4c7I2Fh466CHKh8i8pt4fPDjc2hWWV9Z25sWvnVdd2SBtwb4MvYcr.CvybzJVSvgILz9j1falm5LzcUbLUBJbiQAy_0c0JmEzuGVrU1_RsYF1WGnZuFu0A029paYuw6O0N7X4.D9oX5os8Ascf1Nweq_Y4hJvLfYFMVzp3k8FQ_xOsJr0S.tvjmJGAdanY5Nl0K2KvpwG2TvR9PJDOTXajdiGJoyuBdrHlTNOHvnGA01gsPu8lwQOPPGMXeubNPqwwkG4hHcGNC5RUf983iYHAGfCzFVRZNjRzlDzKzv.GeDzSEP_8iiGDwR4ktWtriOnmeQk.3fEtmdJ09yYEJQUxIEUU80xE3XK0XinfH8xZQNgJKU7pkS_7z037Frb6cB8VF._n7R_wCtEhFwiDSqOJ1hw5lQNHTjfWgaeei6Tgttw2cVTpxp6minIivL6kkSrPPS572UbryB7gCXmyHRBajOWdPzZcjEzunCXRUQLsSrRgrKYMoozZharWNGRS54SSs.9fM3PVc8yfvOC3wRXU3S3nxhtJXFVWj18XCo6hH2si7PsxTlMJYX0uYbZzczGwgzUwoGQ1PvsVkHBZhnIZez2pfsvy2rlZg9LBC6_hiliOFuJ9sR4YS9htcXrKh1nxWU2Tn8OwlWmZP4Gv0Qe9T2JQleaz0ga9L9AMbKaVzvpwwGPedb4NGaBUqwxOj1kf.agHMCQI_EkREi60c_jrT4NNu2nU6MgZl4w4p8YXSTlVZmd9AuZxL67pzbC50YMfKsbhV5F24xYTKEF_QzqL6uwp7PZ3VVh9OMqoLjsNrzwB.2eEzmcQAHXtTKRCbM86XvnAteF0iXYeROFk1WZU520wXxsVsKRcdGXx1uQeEDIGxSPCim3Uon3rQ8_T_40oXTkHR88Z6rcSY2cjzhOAu3com1g5GYz.7QdBjJQmX8m3piT6uIl7nxz1UZGEhQScrrYe4w6V6fAjEX_2nH3NzYr.Ahpgb8kA5XLNVACgfstcBuIC_mHMQPEgXPfeQ3ITI4APw_LHgJ_J56CdPFPj_w.6JwZkNeHfHioA_ds.WIeM5c6.qo8TWXc.gSN0Y2PF5fjZufEzVwchyeqHXuI36GEcnOqV7rhVl.aa9GxHrhjTV.1ywLb6EdypDyyIFGzZIDsHxFpLyqvmITQbaq0jRkPYkBYXBfphJSbxhtW0kRoErHFxUqzQjQhu3tTsBIM8EKRHvUjrazJlfy1Tr2DcQ2kGfELGNvAKiuRAP3adLND3_9TnmPpwSzzwJVTJBIUa0hzVa9ECjxS4Nc.ytYy1TOr9l5_.nZuWZtGnEr4z6GCYcY3b2WzSRo83ZiDpQkggq5YdfdD0e6Zl18xjN7UGSj1RS9LCEuxuyipapEK1GY4XPqlVlX9z9eqMLPmdYGWARNdkfUcSabmSX6CuI6m1rwIka0P4SYUOexUi.JW7Og9UPfW.R6USAYaq52kv61ZY_3Ph9e03c1TJoO9v_WPpRVyzCqcMSZOc__F.SsB9eCwPalAr8lkIRPEGopJpTEmIUW1628Og5gybU7BiLgs5g7tEa8q.AvOwomiOioPjQDRIgoaikWEXEoW3tk6YQKE0_s9ejhrJz52RfG5m6ohiX7oUo6kHxbrLXj1SbaqowbwUMz0AaEHzcBhE4IZdX2hu_P6NoyNxcU2H7AVEwQLywTrRWtC7QwNxpiTt6tpe.VPVS7u6dFrgHeSf9lGHjUlXrFPpdlL3ogWFWH6tCMNqadMnlwTGvvw47YSVJUkL_d8Jae7TGcWDwdbz1WbrV82E.TisGMz_ZkduTifrvVl7fY9JGFouolerERCMCb40Bp4O.QwTYfm6GVUd7wIFj9b5oyEPs7a5Jf5gmKaG2K6zzaqAYZfLHq4BjUFRLPqwt_PnPXQjzwtU.Okmvt1s.Ftm23IfYfno2xHUX6e7VCjeFJxDKXJZ.qf.zAmAuri.RsdQuhPgAGKgB6k79Zv3LTY3WJoPLB6yUmztNwUNYPUurLg.ti4ftJJd.JvbxijUU.Lg_EP..swnN6bMgW6AVJ2_KAxs15ehpogF91rnpLgdmMRtcbIiT5mpbHSboFaL889ENFhWIBwA4xbZavVcBsopOl_U9p8C5dyPGG7PH5Gx_tVCeOKJz2uDh.F24Q",mdrd: "wJRYaTSRBTjKAWsoryCKvssQ0yrZh69ngOrAEq6e8N8-1739113575-1.2.1.1-GSKdOEXT_Y4luIXLMhmuTmkHH3D_kkBQyO9GEEmbAaM6a.Lj4lXlCZMH6_iZw0TdtD5F9aTa4CXZwSejNpu5gADLu9w3lmbHbrWHIqMNfMfr08sdBzQo85aIJjVn02M_.dCW7vn1PwXPHRIJPFgt0AsPT8EpP0dYYCY7naN22vub9mYrPcx1h767VyKoLYT9XBhJhfGKIYmahExXtQJBhUGezhsJ1AoolJOKKVSBfcuj.nuHto3TOh5tX81medhFHgXZsdwAdIVO5jHzvI8sZDvt7ElDbP7WESJXnvtu_PVecBqzLk.ajr9DidMD2adZUp2qp605wtlGpO5fw5kJiRFzKgFQKyWR8e88ZDWEG7Y7mML3etLJpTlpmrvb15Jmqx_JAGX2oycuk8ZEN8khTXPh8AYnP3qvL_owpppnZ73Qo.1G2Ic4agVw__zhERU.zsRuRtuSZF1t8bC7aS0dIgMv9djLi7bGUNRxkI5mW3wC6LEyTo1u.frxpbJtobF8NDeiX8OujoSams5zmHzgNVY8wWzloDOKiOIE9rgw9BAirVrHwP1w1SGlZquvXWbA59Udd3tnNhb7ycwd0zYp.EBgnDe1LhLFU9raubUtZG7dbklKuERC_klB5CkccXxTnKPA9m1Ahv2HFqF6t4aX.3eZwkfWalOMA25TzIxsEXEJru50WZvkNT5euKvRG5miDCtGZst9XmILM2M3BrNymRHFRneeKkKDzG18BNHtXosTpZobzCpQnEQMoeGEdsQhwHfflWLKL.uLXxBKth1HQ8Vu1Il75UQPZ7kGUJOijloYcEGAe_NT5h_YAL5Sc_TooL9G01w96gtUkmMrAifgzeRyiSFlqcHNJC.12JAfQy4VDybpKVBh7DGCNTgJxMdRKviEYPDQ7a8X6bVDqx0CPsI7YJBLB6XlJXLkCC5mFgN6pydo_j4sjpejmlHfPdx5Xdnv5iIrdtV68cv66h.SKoXiV3.ppDnF6NExqMO_QVMyNwr7ahYCnxLE1ozQB._z9OcsxM4Fse9KFnQDjhrMNvin_S21ofB2rWef.qqKmni.7_xT2c70X8PoFE5KX1fxozQ0fw.NPuon2CjLtXqGWvpV_CcvY4ncnuAOpX4MFGTAFqyctSbTzv2DJIZnTuDOhr_kkLoaa8pKRo5sopH5HpuUxQNPH3_o7eI0Dme35BkdonGdGcU6BBCHpIsvcU07gAQjROy5DUPhfySj7KurDS6j0aQcAveC90ForvlqUJa4ornhWzY6IUm1e.iQmyNvOOo7TnYWUrfsJtuQ1St7hdvO.Mtc1rokpAJhm6NwCZF0BAI.9YqKzQq_zKVcFGNLnXINEpAbDjIdHyi79kw3WQSpWXD7VjyfEG3x4ZZqkK3ru9ff.hoz1AO6LCP59qvosJCMtwDRMDK.SmYVbVw5LSrTsr4VvRB.1xg6d..ZQ7j444JOrXcaXnVgAVv7ehiPlbYex7ks7lktD5pd7phZMmnJXjXWhpCRal9JigfYYvwz9uQ59XymAvB.vkhzRUJLdkspP8GfbmDsaGImpFhkx9W3KGKDX.RjGny4y5bDR8KSPBEfGGP9UTHQJ0y7s9bmzWgArP8Nq8olCs2UikeqouVTjCq3DoRpuSNt63zrJL7ecV6WBcYzmRAk8gWCvR6ctngQT9.0m52XAoMmLES8lwxGbpNB1aSfNQj3eoL_SUc_rN9Chf9Esodw2pyW.KYEHj.ynqd3I8rhOyMajt8Cvnpcq088F1lWhkpyMOhkfzAAIlE0gvQtkI1JcIloELiZTsL7klAlUxPyG4phYK5Cqg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f4c3249eb10846';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\/1507342698?__cf_chl_rt_tk=_i3jvNWK7nlvyB.tB_wk2tomYmH2VNCrdhZojr39M4A-1739113575-1.0.1.1-5HEVN30mBTetB5ZOgHn7byKG6uLWaz6wLNpXsIvNB28" + 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