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-affw8okc0.mit-edu.top/post/0145986273

  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-affw8okc0.mit-edu.top",cType: 'managed',cRay: '90f37a17488a5b04',cH: 'QoK35NbOAUoR_97W7jlSeR4lWUoC0vYqqCE4pZqRNLs-1739100097-1.2.1.1-iguMCtojctTV0ULjzUKBeIoI._5GAN89aMK5h4mGfF0U.8uOxvSeEBsqUub_qCUa',cUPMDTk: "\/post\/0145986273?__cf_chl_tk=Y_M8B7E074cVNSx4gMls72L50Iv5Ih9WwwhgVJMfx7o-1739100097-1.0.1.1-gTCYa5YQxdL_B6Ag.0Sr8wTos2ey82GNaDFOPWSmIeE",cFPWv: 'g',cITimeS: '1739100097',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0145986273?__cf_chl_f_tk=Y_M8B7E074cVNSx4gMls72L50Iv5Ih9WwwhgVJMfx7o-1739100097-1.0.1.1-gTCYa5YQxdL_B6Ag.0Sr8wTos2ey82GNaDFOPWSmIeE",md: "GYP56jHXXESG3Wp9Xl4ry7qdHcyIKMDkJtPaWRdf3UA-1739100097-1.2.1.1-BGUcflc3BwjzRywAvoUtRWknZkf0_c5VTmIJYcKvoRnNcYfWIGrBoHj2Nxt9ceLSpckyD6wIy_t4E7P1wYE0ZTIvBUula.1OJeP5h7n2Uy_gxfOZfKiMCOvgIeVJuraKl._UKnPtFrHAqz2oDbC_VzSzfyFvX3Tukp13INwo9O7XKLOc6xd29tizpdmUI5PrFcQcH1mQss_g28F3EjVTlX217Zs2PBrHRsyg_iIwN1eamDIs_MTz0S45iouFxpfN4rRbBumlskC3SnD51AHT7H.EvVp9aKnMDkqSHCpQBNIutq17egyJeykdv5bb1euUObXbygd47LzlJMEUGV1tYnzC73dtX86aBcEv5HArfDlISB2xLKFQInegwuxVlK00Q5V0sPhv6Tlc6AfIfrwAA_fAzvA3hSrKqGtgavkfHGJ7mLFgRp3vxunSO140T9AwcTIZTxIyhOPsp93bCnulBsyPgLP4KPJQgeAAKjHHRzoSiziVyrXSqCEMgx2ebDGtfTWg0szdVhHdM2NfWPgFJh47q1o3aocMtAetPw1RekXbLH1FSEqt4oBi3VAMMCtPYY18Gbp5F1aqh.wSb4P42RvGVkQjMm5zp.CKMbEMY5i8jl3.wqKhtTg44u_j775H5JfRBD.h0lhP2DsEd.uBSjDOHFHd535259qraG5Tmj0_cHYnKtZW5LCaivJ3wmI0OExTAKDhO4m0EGo9hZGMkrkWLfTP7xyCKC5HTdKpcjn6PcjQEnNn_djXBiYEAP2zzUYA9OW0X1pooEtW_Bk38fQsiXkse.aeeUOVlNZAYMQnV_5e8JYuUcOAj5c57oVgXlbh6THX.fXaCkRUubTjHkALK8LtmFCr3EOVwW7jlRx_hk5FRvRX5YwnPvm5iIYs.gwuW68LDYmmayW6yvI1AjIKDAyo4N8Hv0NhVSis4_4mshLS9JbxKDOg9GXnZ7RK5I7OpWBSgFSAlP4c0K9RfPB9oSVIPO4.OoUoB26__BRJ86XyLt.FjA7iwgPNJ3XWdgMKI0XUVS66dmFwn98Uv6xXlmGBKXy20MowpTeQkTCk063BO0C_hXlyNoBfL.28gjUlAsc9._sHkkfZ5QzorA.L2L8Yp77tr3sYQR5HAWUkhJZoDA82weZIJcUiddc1PG9raZTvcMxetzUJ_M.pK_uvNWSBBP6UmBBnPQfTlZk59c.Gj_iqFGgzLrgsmNjgQGghD__3fu_dLTg4PXq3l7kpxiga5U2nF0Ixc9UU_yUVwXp8WjAlN0GbV6ItZ0hytspcO8WfZpqVlZ06y0XUdkvPpZwcWs9bFB6l3PoYDAkBFu5c4vs6vBLA0bBI5fWfrUWJ_JNt729Ig64m.WDs.o9cN7zQvKBunmx9Qn5NiWyEnS3zWZusnybbciJVXsrm1luhMVmpeGDq03nj375CYlUHuMFiKXUrspHSRH1AboFMsCyUHzhMJWdYfr0OnCd6MtBA5Ve66bLySgX1zlrM.Suaeqlo45O1l7YZY2ACVkOFxrkovibiaVLrKPFsmOpar6NMw6v260Eg_d6bB8NnYnW28REE79aD5yxwS13ItcsEcg.dAfqXAHYuza2qA1l3m8hgFNY1fu1PMDqF7YkbwJAX3nq.mr07nBQOJkW0H1Sk3CAKC5DQnNRw7ogUhMR__zRTDk4tvyHilx6GJm4b2yzj8BwrWhh9AScIuMCLPXyexp7DRXwtRVYB1KfVOPVDRM0WKzVmSOQfKGMgd2pOlMrg9f2K56BlJrglXf8xdCOvpIMurilKBxc8klOmmVLmaIA6v3ACgRu.i6QZIA5b6QcBUcT16G28mCHqIrR1MCSJtZv7j_NylRvT.psMaRTrL.nc5kQln3EcPlwMoxzgka2NeAzgVH7Vm.krIGDj7qdctGWfu.V4JsGN3S2077xgZh48OfKnYWHusis6otjr2yiKcFhV6kuoCjzMKzR.Dh99AbojxHgOqX0xAnXetKxeIdenhjFpS.yLjHRl993_7a_bgvcsKiQ2QN8mFK887BKwNHNflSpTjxE6ezmKNI5DbWGHlmaeUs.XewqKBF5U69_mc4jQQzhPsa9V6YQY6apwQAFJzjhXa.tg.vDICyUcqjpN3YGxtVOIfEHBM0UaSpkoe9bA0gnU2L_KYrmUuscNnrDDVb4evVZnCbD_2lY7FrV3hjef8eJFgj0aHS2vAK0pJ_1mDO7Wmi5OShj7_mAWWpNAOolTqwbI8JULa0HY",mdrd: "QS2JWhpDDUtj7vQ92CTK.77_i7RU0gbgTmyEqAv.kgo-1739100097-1.2.1.1-7ssosuYUoKcQmgErM36nuju.6Wd8vD_vh3pebQPz4Hmv4BZyWCu313JfX7RY0CWmIW61jLb0b_O9R.6b0Dli.aGW8SuBnNdOO5HDL.PcoZJvhTvuFcdqvh_AWKWg1.eitohq0BPxr6O.Txgm9JJdR.klADiCW_FJKius4rTN.spKAxIAPbQv5r0gAxelt2Iv82flTGApv473gIx3_hVWse_kSdV4FEg16FGQo2VUxIjrY1rZ33CR_ffzBSr3lkWBjy1bqX6G4o7n2qYP3IBLrRljfQB_Bb9gh2.2IG5V1tsV2qVFjeRy60nusSNjAAObGjuUPdDxToLcihu4sQ6FPM4nnrFhu_CZYzOnVRn57gjSUU.Jy30KSH7Jvf4Q.krBr335t.YYKh6OvE.GQilgvcobfFCSP3FNP3wa7dQsAhG8E9MBgn4Bu_abdjNwFbCKtu3czlsovPJu3jcNmLXzngoLuZabyQ3lGQrjN2QUw1BDqjXzs6K_fy3UUGzjhNC4LtX2gjc.Oivjnewy.557N0l2qoDb2RP0byhvP6v7Dj9yGElh.RIbWAkOFCLScC5yM2KSHf6ZogGegh2ry9D9qJp_0hagFJH8dhJC9MTcPJdQrcya217C3Wm1ah.O8UmoUs16Hgn3WaZ23fVX9zGT.InugZP5ZKkh7cXPiUUyFCRm95DT8Xc.LmS2JB9lMoFJx222bsBy93ETu1XcERLHXxjgBNStPcAW61NAFsofeAcL9rwmboATbPUXUbEPNguhU9ibD4HcKMY9gUfodixouAeZ4WK3MRL7bp_T8HizVzxUSN89gPfagwU3z0RmWxCrRRXOjFUTpAMn2OOOoTjtGZy8IAge4rNRMbKboUFUX81QJ_LBQKKc0OQGpCtBtBhwAzlCK.LXVqfU1jd6iHf40.pa14nqT5Cy.ZQF0iLStbXDX1R4UGhv4FO4jxyWum9dRJ31sWBzKq8KkoCLDReaa1dbnT.H_A1nCJkaJLQxVjoOuyh5g9ccR9QLi.7j3p7DQdRZBUq4mUFm9LQvse9m3dbo_s3tPRt3B8vRLTN2QwOZUPNI2vCH0kxdNDz5WWFNT5292CJHdDjAQntjakzaxtuxNK__v1Lez1_EtRd56uVuP3J3HYk1OcZS67a4bCaSCG0m_RESOnaQ3nZ9fiJHHYZDhfRT._Fth8H4zGyc1uxx8FZWIMQiYyjBIf40JswoTDU_wNpp14RtclhIGlFjsV9aSSM.dJbXh36iT9slNg5phBnSEHj2L37uK2HKyZpaMSxIvEWFOY46C1naHSvNmoXTVqgDaBWaJ_omM3BXUeaobbjkwpqJFrp9KdC4tNvO9YsSbRNFLZjGjtNlS7Sxh77E4Aa3CgrVNCZniQ92AyqyLrqehScw3N6ZVAssAUQ01MaXFzBs2ezlRqX4Xm1cZPndADYJdVb.Sq44VP9rZm4bK9ufCML2BkgUaLSNV3fwQPJRwl8iBpMrrtLtqlqck4POm49d2jacT8L38u7v7No9pSUMPqA1hHo5pKu2jhwgj7VQa84QxxC0hPAs6a.e5PvEGtcYjKUVedPQFRmeP7RWJBp_XxxO3LNDOP50mmUAHDSVUP1vpHYC_SsiPWv_jX5Agcx_Z78NDlalqhTZQwJdu_H4TKxxh3tgyzAY8O83zHrlocC.05YOKbJ2bZenNRZkjDtbIWw3rzdLx3cGYjzeMRcY1e3daQDS4mbuSrYj1sKF2cqfq3OxxPmqsNBJt.GpkLCCPOvPjW4RgNv0nSisIkdoOIe_UTCbLZ7JlKu.yfdfPSxpCzG0HYqKEh_d6sI8I1uitygSf.l_Fx54mNA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f37a17488a5b04';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\/0145986273?__cf_chl_rt_tk=Y_M8B7E074cVNSx4gMls72L50Iv5Ih9WwwhgVJMfx7o-1739100097-1.0.1.1-gTCYa5YQxdL_B6Ag.0Sr8wTos2ey82GNaDFOPWSmIeE" + 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