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-234256301446.mit-edu.top/post/1574028396

  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-234256301446.mit-edu.top",cType: 'managed',cRay: '9110574a78a8c981',cH: 'Dv9PA8aiVmp6gL1S4opgWDloV_z97laleMAEmQZwY10-1739402758-1.2.1.1-rAeWR1ixSH.4VDktaJ3V.7gvStRAtcebByLnRG86xjRXctPY.hYhp4IQM.enTi3x',cUPMDTk: "\/post\/1574028396?__cf_chl_tk=DNf54gkO5WYp4XEh8hmwEdg6p1W4f0Uv3N5DLn.KbCs-1739402758-1.0.1.1-ygjDeAcZGX_0cQKvJNJsrQWf6uyiUtgnRm1tDkXSha0",cFPWv: 'b',cITimeS: '1739402758',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1574028396?__cf_chl_f_tk=DNf54gkO5WYp4XEh8hmwEdg6p1W4f0Uv3N5DLn.KbCs-1739402758-1.0.1.1-ygjDeAcZGX_0cQKvJNJsrQWf6uyiUtgnRm1tDkXSha0",md: "Cv1Am_5K4qRPhMb2lO94E_AdddoC8S0q.uF_DQgoXbQ-1739402758-1.2.1.1-hkWArlknxHIzerC8vP7m8n3VX24xAsu6snR_9HsYBW_LM_ZX5eDP6PY9YQHFcaZuPX71oQxsZ4KbTEpBbkKa.JlWrCVA9QUfrIb0guwBua8q7ZopDeAbJsD86id1Xb3ooA9zbbyMSIdyd2iLlVOiOH0.s4unAsSsHlwJoIZwYJ0jVvVQsFvpezi1hYvoJAyJHPLPZeQ6Gfqdp5CoKaZv_GYaltORPQUufSlhWAnk3lAM6TdpKrvtjYb6ZPq1R_7fEdxMvv2VSQaq.VJ.Ck0OOfiGpyClCaKVBTalynAVqiSQ60IUDqp3HEceOwuIgqwLAxLaaiDCCvMmrX971.QO7U_pUpsRDPTpiBdPP9huULNVKx8dXg3lkC1MwuoLtY1Y1rgK8kEIEfJNpZiHevL._GSBed83BvM5W2Kz7IsMtgHoBk.Ve.tIWySdlw7lSgxVhF1qYMHgeIuKrmP7DIBi2v3L7lC9DHQVg_XGys8yCV0kfz1DJaaAIMNPtw7o65IgjIIFNi.HbW.WJqZIPOkeIOH7f3x2KfkEwnLWDgFLeuEnbasVcQv1PI9HszXWQOpfKqZvifjNxtikfqIMiwnZo8OIRdqru1X4zTBnNtMxLRQwrKPO3msByIPNfbk47wx319lGVEqmguFHTZdE9HX_n1.e_2DOa3_D0ixIfvztyot7neyi3Z_xFnVx6UWmoouRW0.5JWMyDXIRAooFhnQkh7WkVK3i9nnhQNb8xTJ2FnaFkI8u.H3tgDkR9qo7jx68IEFAA9OMWtwKfukOtmMHD1sNmFpCERrh49lKIvyNn4ajDKngdnONXumn9eRP2wjRswDccMCNO95N.AyHzcUEwRKDptLAH7iLU16fZbjLxw.QonkvPn3zbMeUwN8xYKfS.4Zb34h_UkCZjZcRudG8tRmBGqvNLC7b3up8g_zpMiJ5s845vV4Je_n0PUVl.BEF0AVpvBKDPZD.XRMKfrmhLImTz5smk3CYlJsOqH6p7UyxxJ2EGVIX7jyphkRUpkNFY.KZtZEoeeGM0qYW7Qwsvpn_uYGR0h9Z09ks0Z5stEDM_vWPHz5LysqosSCr4NWTgkmLj2zqlg83aoHaVLW2QEdbOkoaC7G6zIFmPfF4IQjSvKwNlxRXhlnLHjRelz8nJa_O_LthrMelOr6gbwTvpemiIZ5RDuPEXNKjkhXpo2xmVK8HheluaLIIKXoZvmPZ0yBvCBAImfNA2RPyXFl5MuukANJeRy4SAPQ5qYZh1q0hvp2E9SBWqbyerQYyf1X6fjsSpTqmjVeqSJ_SRx98lcdbXqIJOwzI5uBKMVZDForM_rMXRwESqUTsxGuWSjFvbblaBoy2e1nJWVMlj804NM3Xpgo2qNLxA6PKgorB99sUo4Ugki8mK8OGZ0QXqnahbKzifus5QB9Cr0u60TU91vIsSgA9J1HomTuYHb4mUVf1PaF6rqv1l.b_v_h1oyT5E24gmCblnSVxQ3wvSx8yH16KlIWaR_yoSRpkxI3RtEX8k8V6WO42N9laGKe8sREhJLekbNFhNA4NiD9.WcLkgE3b4cojJ3iIA6QTQaEyV0H3ftjMabUmMLLI1.1J2CF5T5BGWry9EJKRJoWdc0rsPEiDcK4nGGxGAjXMC0FAj6yi5V.YnH6VJ982Su4WyKRClQPvK01.k3RkBH2E4LRn7m.kHjJ6LDgu.3R.WuRULIqYkv3APmhT2a.MVUCPscTXOLLL6aDJDsT5Hh_atfXa8q1QAdRcjawcJCRdTO1c0WyCsbqDrOWC5OCVTr7Gcef0jJ6DpOZ4ZBxovvvhKVtY3sY0L4DVPs0qXVO2n2kir6W.kuu5LEcYGHRq3xnxHwo_tpn.FptobEKFNMm8MyGJTseGoSYb3Ktt0drhAMHc4ZQJndsYeFPnga.0gQTiXB4Zcv4UxbtkQoDLlPJ3ImGGP7o2_hyZINsMzp0qrgLosmwFN2RIcnX1OGwqTE38FQ1uCaiktDSCMmE6FDLt.5d8L3g3ThWpiXzQFlNXSIod9xjogyStuAckf4JzDOwb_8f2WqSm8JStlqGYWhr1QQm1ioOvRtfeollndRFvufyP5S54gY4TLF11gsu96tVGp8Kqqi6H3I8nN7tgcjvtujhmQ8Mc06b80xXcJqCtjKpl.YM6iA.hZJFh30I8cwA3Ob0Ebhih2iJJMr97sI1Sa8sfeiWPNM6C7VVE65VH52_3dhifsYNTE3O7WkLXkrLsCeJD",mdrd: "Ca4_4ngpf0Ek8ja9ujlXy3DhcCNvA3MS8.xeS8xInkg-1739402758-1.2.1.1-QwP3qjZbnbRodj17z4xhuaZtb9j72fvvWkiLR.AhlVJrY.JpEgWB752QFuePdM5q0tIZMKIYhbQ0jsop6I1OzhYdP4DJBR7do6Fe67YIXptUBRFa9Z7MYdpMcHySxklwKAeNS5eWfGeKFIGee7JgKhEU42fXhRiJ7GK4OYsYn8yRA5nceOptT8SjjxXMYbDL1Uy9y_ngr3ORqe.glxYfqIkGWX41r3Nllr1gF1DT3V0FCmtX4qoqhMZJAWEqswdyXtss88OHjIdjto_xs9C7XAz0GFvlqefIS_5hpAnyVhtOE7SlSG48eH3PC3K3VXHnTlo.kSy8CwFhYiQ5B5gd.dadMjcnnEIltUXDtz7bhHyQqD_3ZayaWclTIcaSR_ddgyUH3CKtPxBhARQhI0L8OHUOH5oQvPL355zS5e1lOPYrFy8f11qPUCayzh0_pZGALin9ODeauOpvar7ucAAkm6a535Hz9o0H326ILCaARvkj82KH0TRtj.NU4HM8eXZ.Uouk_HSaOGKPJZxG8pS0MQC1of61qqHZC_4apnsNr.GIuAPCcO7P52qJN9el7XYNhc42_x6Kubaxx5tBYJ5ohwrdpAN.2lYbpA78o2JHIUJ.FKHtoYPd7MGANFBt.mPPvB5vgUzvha7fOTIrVGrzgNwy_Ahn0UcRDz3ZhNvxOf..lghRpsa7rb1FRGia8_ZSs.nNAJ3.p32QPXXLvi16CcLbL1evchFRmw68IQnIkCXMWCsoAvebrmHNKV0.p7cUnJw5ZJh6oIpZyPB0sF7JONe.sB_0x2waJEIo9fASdRxSYAO1.T4LOytp53P1Zl5n6C7Y1GkKIyINbnYPHiRWl_ZwPHTWhFIFpbS4e3jdLxsNPJDEzaFRzOY0Gatuci4.dJBfHJEqy2ckm0aU0FWzmSSQnpnaTerp_4phk9ukDV5gkcGHobHERvZTJR7o71TbPO_RRUiGlOLRsYOV6jvYyWRFCnBU7eQ75GOK_eigXIr2XgaF0xipbg.Kmhz4qX2173W1lwJA.0vI3IFXFdDkRI_23cgUqoIhoUsY9tiRuoBehDEpPzL7rCEStFJXW2VmtAOUwi8ZVSYGodylIRXtMjOcgn0gp8yC.r8iaG87McSJSffZ0hdR2conoblF1b2Q0JECIKBtOdm5WWw8kdYmc5QIlotftqb.whgQj.F3UYNjaCstMLu_FRaPv2jWB0yYSyq5_1Q787I6pUlytOhSiWFYS6Ldh.2Wzv7EUSQho5OoGx0IC33WWUK8nIoW8n1m3CFU7FHurlrHYzpcEK3.DQ13hkYuGjbBXEezOpDMzIPtOv1nE45FGKwJpdkPBwomhPdXV9yx0O7bc.QRXsYksAhVa8PC0iPz6Ni0rUIlhFPga0n0thZArJ7SHZZVEJeQpe_yRDeYdTjtt02VXndh0_CbI3_OO_tCGf_LxzASVfZq4Cj3p5n4FLBJjEHUwIIM0kYqfMLEbu_.wGmP_F5XTbDUo5dShFSTbtakNFClQqdEP2A9CXRVubo02NYHzjYWE_ZLD.DcF_TNdr4e9FTRmAz9KYizkxPL1iLsoBEfPOsYiMDRSGyiyVdhJO0pO42YLz.en.rd0bi2Ki5ie2Q542WqaDuPljZbCQOp6VQs_pOH9F6I6YlBTERirWDCt.1BbD_DEYdyhsP9NQWSvPc3dguUy5TM1u8_u03O2uJ228GzOIJZzqjjuK_700NTihKAeh4y.8EDUIacbHoYdf9a4BtiwW52QYKlizLSysCpdpTlVmBgb5Gkj4Fvu3uSZu313Ctb1xtfYrVTM1.myjPR2OtcCg6MN3zRuIOEKLs3Vec"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110574a78a8c981';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\/1574028396?__cf_chl_rt_tk=DNf54gkO5WYp4XEh8hmwEdg6p1W4f0Uv3N5DLn.KbCs-1739402758-1.0.1.1-ygjDeAcZGX_0cQKvJNJsrQWf6uyiUtgnRm1tDkXSha0" + 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