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-affnb9ngh.mit-edu.top/post/0265918347

  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-affnb9ngh.mit-edu.top",cType: 'managed',cRay: '90f7d5f97a3e6faa',cH: 'fVkEgL2sFk.hYMbGnh6jMx8YUS.8EObiuEfpoGtE2xU-1739145803-1.2.1.1-BW02m8x0RXBrXsGw6fYVf_29Buqx.uWZbbwXdk82guaPV4wf1VpapsZC4fKwbTFB',cUPMDTk: "\/post\/0265918347?__cf_chl_tk=vn7VWuXzciSua2n62P4vQmtMVeBBaIoI0d_NzcjGsK4-1739145803-1.0.1.1-m9U_hlBGCsKROWPiN0geqdlpM30qo2MlzbQRFibK4Rg",cFPWv: 'g',cITimeS: '1739145803',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0265918347?__cf_chl_f_tk=vn7VWuXzciSua2n62P4vQmtMVeBBaIoI0d_NzcjGsK4-1739145803-1.0.1.1-m9U_hlBGCsKROWPiN0geqdlpM30qo2MlzbQRFibK4Rg",md: "R.jpOJetnUcGbWSwlqU7w6n1AUmJOpYXco4Q8U5hLFY-1739145803-1.2.1.1-wYbSqAUQqeLBUn1w6RvX9ySJA6H5VX6G01t2rt5D.XkUG5AaNrpT78rzWA4AAaB2fNpABhnKgd4_mYMfb.RR39wC0z64EXjqj9Qh_G_wYzJU7JqGBcLbUaF4r.p_QEr43XC3QB_h.WrkXxhM2lVdOBk5NDuZDTMxHBq2oIE78BxrddtPQz.P0mHZQFq7lFCI0JX8UGSY6hZFYioTHaMlbKrNwdb.bLftIBT6rSCQu0K9G.ET3JFHsX4e3MPgw9VPjBcM4oWSv2U0WTdFfw_5bybf68I2_AhP64BYVNmOUayk_hv17pky_bvmD3fjGLWYG5YLLomo1od8SaOb3Vc2teewg5WK0V1.v0V6Ls6dFUxNInII0XsXzZWwdnZrNhrnVI_OQ5Kau1W6BQPt62gzFPHaIr3MrZz1ypiDPMZj_ELwr78fk_KBbmDPOsU1RIUpYzsLzlOIKPI8YejGZ8ztPePjgprRH0pJSgulfi_aAlnvBwv1FYwdE6MVVauC1fxjYwnkacClCE03Uy6u84d4D4uMWfMUdFDSicVExuk.Vx.mzZ_oERn848Xc0s77F83vSPrkN9d1ba_rRr0H4UOAywgZ5FN01BKZ_.Z7lZEAx7p.IXLj.vSBszxUeNeyj7B8iAlYbetpwxatnbgwEGiItcFmERhLgF3UWgIikjGdBWLf9YCBIJHDGXViAkU5p2M1kS9FYn9T9G00MPMmmWY4yxscr_3UUPRgAaxvwXP4Jhek8nE4fo5YAFfuTAs9Q5SjOfMc9_64P0eCp6iq4ILvzbO0NPvHsmYSVauO4R55Tn90jYKNXt8po0X0Ps.3NXDgzfwiFa0dSLhVUwa75OBJJyT4isDvnbeDxvpNwewLo_EahDzAPcnEvBAF2yusYp4H2rllpQR3P4b24y63FY5eYg4VKCRr3JO6K0yHSwUDe.IrRZU4jIarZmGYCz0LJ5Tmaic6g5yq4yQWVbtFcpMB0chPMKgJKKzdve_RRrsrojgAC8Pr3OSTFlOkVy.oHp42h0fFqSgJDO22I12O6PO_JxqAdDnTMRV2IKpDEt4FJhsUMTKoNzafUZ98BCRQ8QaD1uiPLwD6bl8fXSKgu7EAPAP60.jLiWswiSJBnXWwgqpVfa6xQV.BFPQQNsqDbkQxtXI5iGOombc4E3ZpRfGAlSVWxY4.DATBlaoLRW9bHPp8egvDT.7xpilckwEMccq3JE_4VYsJ3qbWdkKclpNdiBbv4fRBr4f3sPm3C1ScMwoCjRCmPOJCRhmsFOIdbMs6kZzxMwRSBk2.ucV1SadvD3kOkyaWyyAoE174KgbDsoL6R6Wd0pPNfNzNW78ATHqjDadnIzI5H9NG7JAldhx0PZH39Y.IwX1PKSO5.SGxZ9haHC4JYLTMUYHR1cUvKNES0a8_H.vh1cLo0tCOQ3DvTNjq_YZuex99EIjQdgfpkFRfIqLLr_ueIQvnVRMzM8rAr5o0SSfxqIKWfmckkrNwtVawPuLjIYsFigEKEszeofQY.QZVJZck1zA_JEqAhL1UvQEZyecOT_Fr3uILUs7Ch.kus8fuCgfIKOOodj8QVhheAz31Ev9MmJxZy3wCKME6z0vlNXNnuuBt34feV_31nF4stndmV0GUf0_z5Jqm_0LVDSrGETAgFDVcDMEQsl2XIyvfHCf7_P.qrR0P9QPu3cYsnWJ7ICxfXaydX.6.N8lStki3F4DZFEu0dSf3t3JEJIpraz.H9Uk31FFTFmaHwNE0oJpOsqMtFWraXBGIgN8.3Iu6sFOUCwuIMoKJMRTOC5Wm1ZayVdgJwv7YvFuYSTanFUQf84GWbEd3Kcxwe_LYMwCEnEEz9Av3h693Xc83jNmKUIXS2yAaOuN1AwRgADYMaqgCjvOTll5u_qMY02hpiwwLypXZD0W7dR4JlqwCNC4e3e41YOA_RS2gfbtmwlBXOmnOhrqecqGp5KXviQovHeUZlrGh.6OVCuG6zHKBX0TNpjxTz.yi4EpBouBkOqAPZyV.LN25N01f5N7s1IfeYvF0ce9imTLt99qjyDjnOv1P0uWIxSy804GPMqCZlldEGmOnFghHeH8s9mxdr5jsQQOtb42pxQXMTGxIq1rAQ2zRamlw.nQGtNt4cxcSN4HY_jLWPQDa4fqv54Ounl9bOgbIXMeEPL4f3f.B4VSIC3iqs04mbnEMV7dU52OLWR9u0NfX3MfCN6.jgzGtMs7jdLXb1yPcblHLsx6RPDuV",mdrd: "ls48wpym_1IgzMNzW2grWVEm5z8DeZqrjHlsG6ROQyw-1739145803-1.2.1.1-eLcVe0MgeR_yrVPO5D0.cjACXvM2YNeT4_0X7F7p_d5ttOROAC3hS0a5ECGMp7t1CxPVX_2jjo4U6EVqwgntRQIrr2ddmaQX8S3puMu.OIg1SvGJBelva6VLHu7VFqBM5eZEa9d0k0G4WhJX3r9su7RCeTYPBOwdoLBwVZZIAx23wrg5CgOXaPf6D28WnnyB8HFKtVWkxcrGlBI5GY1b0eqEmk0kS1mkDq_.yS1Wsf8NkaTuCz1D2cGhvHxco7TX4e9n5ada_kYaB.mGSubA5jGla_kQbzMYknZux69PQakYkOvdSxhxgZ1.ydwIVhIybdSh4cvoLZrtglThItQj2iFwNki3o1qCteNIZ12YdzO6jyryX88fjgZNatrwAlsCG8oIKnJyZHkdXZYglFTeAfMghwFI.GypUjb7dXcwJ7VXUlimTQarTeZb7wCCkLpuNW5R.PdmPxKndKte6D28JO6ZzsdC3JJo8Jck6t02OxnO8xE5b9B_Pxg_C4BFnmRInGUalMpTGKcKuj9iDNqaZ3qcNPboiLf6jpAMBWbPhkUx8esX4d4QyPAbPa_w0gom8kIFl0pDgOu86axX8gd7bldGnAIb_g.QZmEv2f8It.Q.iM832gQjL_X4SFpUV9HdJ1AMegBfDIT80FwQhL7nlc0QDaRqtdvS6pmRW9LF8LMyNTiFFup7b32U0NQCHBeaJDbvFjeeJsJV5U_N9CT9v_0beePS6kegz_eecqahhJWt8fLrW9TIbt4BBI7jcn45525VyO9GDKkRobPgCiZlTga3k9VJa3_.pS7qFdnSH.GpGMOZWlMZ5gqZHDOIbxrIdCvgvGgMG79JfPMRzZse7xahI7jYm.k_DW4tiQbOVXiTFLat5r6ue2EwL_FpjS.yQmINtblInkxAriGJcVk0dUrZEvgQf9fGiKUyy0aNOTtZuF7cAz28K_RKeE9lB1BvnInxM7Qwf_He5hFLtttJzDLJOuMXvJ0bQuO1z2K2OnhuGBIuWqd5zJ5jfGPTR86IwvD1Keg4i8LgPRl2Hl5rdOlHyEh4sLZRvZi6I0_1wVNtBKLe8HHCUGVPwXB2NSieuk90af.BDYnX1kEb_ceHmMPzCU6oqg33.Ky2gVacLdnPKHTn3XpxQIeZ0SJgYVSwGaW90eSEYHnGZCaEGgulFFwE2Xb5gorA28snN803hALQgu6BoIlasi3TNcHM2ahAcwMkmkGks1bFvY9kNqJpAdc7Fz9LLmlj9aFAriV5CusUin19eCUJ4yHCxeMUlF0gPvVMulCq7FPRa.Xzd_.yKZ57sEfhcp_gXYIiiZ9fKT5IuuA6J6EqTOgc.XF5EHLKHgcC_pIiAzchNsguzIIDSFadZSavSqz4cfxOEre.p9V5BeojW3YbPnWBN81phAE5wotpRguipehE7XBYZW3nUcE_3PkpICLxUwknud.ROSM4FqHYbwss3KpTCVePRFrqkbipcJYa3nbT0xh.RR7rAPBp1sqMzLlNscmfdUm7DE9SnUnS29B5E5pMAV22cxxDaAPQTXa6UX8XTiG.hBMJ2KbfbegMiiFSZzt2.1mUEF42wlUoUG7X2mdbyk09WzR4_bwytOzSZJLgc8Tr49nNz_fZuLXibBSosoFNDRVmk3spYO2EDBXp1caiMpvLWb1nMZbkBeERreAJPUChYws90wY0v7cqLkpiagGarelBE4Y_.uy3g90uxUeTPJitMBpbn8S5xrrznpwYGTkzqm4Xr5j38ka.X5dg9U4lTTC0MlAKp8X1coNoxfJZe95Sst5MA2j5DUd8dK41bHTQAlw9ww"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7d5f97a3e6faa';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\/0265918347?__cf_chl_rt_tk=vn7VWuXzciSua2n62P4vQmtMVeBBaIoI0d_NzcjGsK4-1739145803-1.0.1.1-m9U_hlBGCsKROWPiN0geqdlpM30qo2MlzbQRFibK4Rg" + 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