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-affjz67iu.mit-edu.top/post/4609315287

  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-affjz67iu.mit-edu.top",cType: 'managed',cRay: '90f40ed77a3b1fe2',cH: 'S9c.DNDaQi9LSsv7QPWXJ2FlzGack6Pb7B9FnbUHDEw-1739106189-1.2.1.1-emOppIX6FJO5HFQR3fOlY5.SVIrFzQH9M3UloVy1mahEavJ4qUwD.Cy_TTvQF2es',cUPMDTk: "\/post\/4609315287?__cf_chl_tk=AbEeE0_cuaZZEi5Xcv68n_VDu2Mg7i.AoWnwA5PBiMk-1739106189-1.0.1.1-8yT1.fkLNvW26z3Mz_XCf2YGA0F6vahRIibyTLVTK5E",cFPWv: 'g',cITimeS: '1739106189',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4609315287?__cf_chl_f_tk=AbEeE0_cuaZZEi5Xcv68n_VDu2Mg7i.AoWnwA5PBiMk-1739106189-1.0.1.1-8yT1.fkLNvW26z3Mz_XCf2YGA0F6vahRIibyTLVTK5E",md: "Z_mB4t2AHR50o9GBm_UbDGibrr9RjoWdK3aCTOZgo.E-1739106189-1.2.1.1-VzdUk4seGOqraUIuagaVQVYPtiGr1ZDEoE6Z3qamkB1ZEO9Ewx3BLCh7j7XxH9M9XUtEbpuKPEA_8tK7AvU._R45x5p4HDG5QFw3WqXZz1qDh2WADCLjsC06gOU6w3yicAn_31TbG6HYjDlttxsYP2lgfqW3qSjex4etcL.MPpJ3AlEs0GUTXP9_7sg1GUC364K4UhClPRcYFykBLXMmKM3hEezbCjAUOItV_QX6VUrMm90or_2lpbPsqRfwNk8Qa_aViTEQTXh5byJJ3qZG9lqsAz3Sd7nZdLzeZpzREceqTVuSkUVQhCjNJqOWUZF4l2dHpNj.5NFWimsVl.2wGkT2Lr7kh3P1Zxs4qCe4ISSdIuD.xfz4.0L86COwxae3iWzkRo7vt0LidhyRH2Doe5tGyDkEu8DA2pqeAoHXbJy7.69MFYDzGqEPwlm9_.J8EnfzSLlAkqViaUBFfYz3i37llB6oTFir7bmnaYeCa8_KIxJ9q6CBDSQ_w9fu3Ydikxa0tMcR.ff6AfaLfO3To_KgjA_YdCLCvmYJviU5vPWOpv9J0DB1FBI5S0qfhnjJwNEs6nvVKdaPQ4rnLyHLs.qeNZ9WkLAzE_bvltB2NmmGvBEcL2xLP4NsrVf2nJ2pIPJIVZdPfHcdehUh5elkkeoQ6wHhzBmWDMzmX6aqpUhf9YAKQfhuEOI99iM_Vj26vS61wiLmGRalcjVuyaCSSXd6BqiPo6nAqhDGMrH.YqxrPedmXrAugtkhTPIeC9xmCAIfWJsk5GshJ46bmlWv4hwCpNWvR5pJubEwnJ4Tamd0.3m.JZINcq3eJCQLy9KqmoImwxTizUV0fVfasz2B9uO8uTCK0NNVx9om5fH.I6NX1ol8s0GkIQXllRqsfgdBxHBDcB7v0PE7yUFd96uz.aZPWb1_4fKeBlLq_8OytE9DzxtYjY_dzFn7Qx58Zh88u1kPhwUy5JiBD89i5.VVi2umeO8uK4XBOMroPGXqHw_q8Q3Ga8cUyQ77uroUsSVgy4lo.noWhvGk84IZyCDrQ2AF8RmJDwdiTwuieuJ2Iv0QnmO8wp090.P12vTjsMkNdafg9ZNEUAtlFy_kQX5399sugzR1ENR4HeNXpS92cg8o_DAFKub9SEUQjVjFJ2ipX6JtogwwxNDLZpKZETcAfqlTvQo0SHr1E16p_1m5aCE2872mOv86c71BgR73OJpPAnBAsfNsSqMR93T3YeB2coZDh22D51FBREOog1FnaEdvS__feoTVmkSaWgvgROHcB1zYg_fRhtm3KUiLbayOrOFcCC1nRpeFkIaDJQgO1UNi4Nuw5nRX6P8NaAR1LIoyz9XWhm6V.XEv0rYcB3CZGVs64AEewTVo3RZ6M25lyo2RIC6rIboF4Zo6PuDItQF9q8cVfRLBf5rL5HcR.S6zDgkTBbwlueA3hnY.5tfZbERQ8eKlK_ySXNoSkm289NdpM_YpVlV3FZGlJxNv8vsEftkmffWsm_PleYvfoI8gZQziMnqQrzduYb5lQqTy6lq11XNnRBkJrdYQpeTn5Vx_iiLh8j2_EaMKgL9v4TQE5QySksrc4W25nP6rp.NalJ2v91ihmWCQ8iPF94_x7hPm6XQmhxIHjfLRS6WCnuvQbcnlOFkk5H6CR9C8PJZRvNUibCeoKiilHXHWH6drloWsVU0fFiaq70oxrPLdkEuxgijUMYP9Cn7nNRss7o.IiikuUcYsHfYoEugbtwa8ClRupfYTvvjH.LMVQZt3hvLIiy9aIxW3Zz8C6zWdjIu5_Gkh3NN6ateOcjIp2OZQaFt1j86VEWcoj2agzBPe0sCnjoUJDuigKWSIlxC8NjMJ8iYTexhQaSs.ypAMywVKo9t8B9eKKd5UJ4Bh4TLuQDuXH0B9MSh3tp9i3NRQdKvsJdYtuZeMGfJZNQBx8vZ9lo9J8Yzpmg1eTWEceeOB716EzgHGPFkkuAO.kQ3TX0KHQSygrAunc9C6KcMUVsIv6g_2nUPpIsz5R_GMCV.CnXiYo1DjULVL.VA94EThnqaSBN6Z4SbD.FvQWSv9cxFXO19N3sOpFu.2Yi3Lzsz1ih0LbyP7DVFoNRbFtUhvfKp53ClJJrMmFX.MwBVIvXF9k_CPrk7Q.L0b_WercfBtMoYMWea.I3.aWKkEL9BbnH9y1qQJkLxigKvyFArimTFMtln.HUIbkZu8JW4gE1.1gEYIkgA0Z91sQifMIgZoxc2HZOf9",mdrd: "aFgwuBNJCAlLkNa9glbL3dsQmLJMXzd2sRvntneuBv4-1739106189-1.2.1.1-js0zkvAM_7iXgUgndred2c.I9CFCkhXrcRfwt.YtpJkSmtTiQ74oMHrPkjdny0vzMaaKjCGQRyYIoV.VNVy2CrJPr7dmNjrjl3yy6IzjkCWMW.ZPTZrZt12VCD.ygx0FTOBgsw9AekfjqI7h7ry.vaAA_ZT83p6rUgCN5CH8ynOlqyl8STLVeekZUVqwqmD1Ztwb.iB5XV1Uh5NlWARG5oZOqxdP7WIc7_Bj1meEg5yfB.klMJy_bLiwxeb0qOEDc6.xxORLDvSBS4jjVSwk2ehS1qQA0uypPl7NuAL6RTBaXWuQIQ7z9myxDT2p6Qij2lwGgYaH3glNx_7QHRKhfqoFCqe7m_ZCP.0uiwukT7Hn996YpJwO9xBfhWJp_RiU1caMcObv_S2KM0NefgJGay_wUsIzIS8hLgNzsPRUtxfigG9UJKednbNX5i6Gwm_ADJI8g_EPb4RFiYnFo3NzJdvex_zDHq8C9ZqkLKq8e1LmRPjuqHTyGyyAU7XmLpC1FRhurC1AZi.JBlqoE5XnyDanydpyps4ZzOz11EeLYv0sAlWOVWUbEeEbEvzAiI3qyLuaOKznY0Ha2XvVLhAN_X0GuGPyH7.hKWGY_SX1StOBTAssRzx5xnhOKjOkZACBidbjumPjImgzhKNIiYugFVOP69NpTsbxjyhj634Dlx2rCJg227OlHIKdSFClN3oafZhoRdHWK6r2Wxj7nwI9JVMD3RioyfSnPvKn58_VNLzlirtSTdB3173rzoDTw1v7Xw2uLXlDgB14VmON1dtVUdCBxvWrjsOs1TyDxWdy1S9haDNvsMOpi_8MJW.M6S3DykTnjbu87IRaeLqC1yetj6Y17SgN8SjS8MnvQy6nCSxm6biI0xmeWpzEDOosbo.Ieibmjrb4q0jA4b.uq2soohQS_Hsl_EwAtf1nrLkO4fKjyG3jI6SOcNB3Tk6JGyDhLt7c7KkFs0xq.m2Ftuxaf43RAYulpGqd.CnF82iTdjq0xew3bsYuRtNhzzD93vx5YtlzEazaV_OZaSm9nXuucIHHhV.4ongXWboUAUNKmNB8JTGMHNiPR4SWu3FPLKvEB9MnCJGSZ_8tQ3s5bWESRX.pJdBhM71O5s2I90JNHvBBaeFq2YgrILITW6hyLUusud6VtYnC3xXAdP7RMpiNyt9wdAHTHvJfwVulsp_ZIEANIxWqHwFyfyeO.iK7gFxyRK_EcHPMZ9lnXCCVoRd5gfOpTe1Y3MWrIqM12FMYg0w2IuJgQv7gjdqbWvRkUuj9jP.f8IgmoBh2JjmeJGVab4LzJO0tiI6wwx8XShnD7NRPfws.UIq2E93knsFAp8d7_iZB7l9k0tfIKUiTEuCHCk8UjsiUVYNtGPsw1S9l9cO.DfQ3UeU6exTRIAzqytHoRPD5hx7cMT7at1eSsOMvtbzSVXD5FEpNzNP8zZjx6uvtXzkWPebKMwF8vDgTpeJevbPG4wQAhFP7QRIhmrkuMNJAOu6UD42VdV42Au7H5xw7h1X5jFH91BPNrdpweSW4ydlbEdwrGUqgVYny787M9MugH2G_iTo3jA8_UZZhIliFPCfbcA6QAks6cEuwdTJJ7rZWpi7CAfC8kUJrwV9fFIvKkyNuN0qfPAs3Rn4ABnn0Tb.xkJfUbR3SHjOy.__NLUIsFQ13lnSglto4GbOVdAoMb0sQlaZYjg.h3piu_SvgSM5DCDBFK5J4wZ5uTJMqkfv6dq_UJocFRcmtyH91kZ6lYtOduo_lr4VUsImmQGVcOzwiMLtKL9hDq1WioiscfpIWhlvQDbi3kyHweyoiTw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f40ed77a3b1fe2';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\/4609315287?__cf_chl_rt_tk=AbEeE0_cuaZZEi5Xcv68n_VDu2Mg7i.AoWnwA5PBiMk-1739106189-1.0.1.1-8yT1.fkLNvW26z3Mz_XCf2YGA0F6vahRIibyTLVTK5E" + 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