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-602840563059.mit-edu.top/post/4981573260

  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-602840563059.mit-edu.top",cType: 'managed',cRay: '911039d748d8c580',cH: 'Ewij7SxHnVQxxEHexFlb0VBLSFbnkoGmu9LKRWrsBes-1739401552-1.2.1.1-IGNGdNHVqWseETB3ak3qOO8wLaUAOeVGfsR8nvicCJUfnN4eXLlYfEIdJzYbQ_FQ',cUPMDTk: "\/post\/4981573260?__cf_chl_tk=0sGrqf.Px1AVYzNTN0JU7qUnX205pkK1aUJ2H2QPQbk-1739401552-1.0.1.1-Fycovf1XSobAYBSm99O5.s14laDZu4tsidmTeI_.a8U",cFPWv: 'b',cITimeS: '1739401552',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4981573260?__cf_chl_f_tk=0sGrqf.Px1AVYzNTN0JU7qUnX205pkK1aUJ2H2QPQbk-1739401552-1.0.1.1-Fycovf1XSobAYBSm99O5.s14laDZu4tsidmTeI_.a8U",md: "1A8r3W0hT0t1wza75x3wOKkKZP_1.E2dX7jx3TuxbAc-1739401552-1.2.1.1-cmRGHHTYyoXJVYa_vq4R8ogfZ8nmTy8NGZUgo0.K5JSWbVfMt_HNRGsyecsK7MiCqp5XGTbj_zUnX31L1udM3e5n8od.Fr9e8ntrAT51uj1l3Tlubo_0jyRSr9phqQvZgf9HRZa9DFVsMt42xQRtyzBmfVken9OPuf2lvrOzYyT0qmoiYycfWbGPWS4fWd7h3lPblee0iUBhIoNKafxdAO9ExkUGF4t_BUC6fletnQC9R4CqDK2cdrTlRxc0fEhy.dPdyfoUw1Q4ICRDszE8QhlqlTgs7r58daLjE_uB4ZdPaiO6tIqfZvC2ISPma.YJs7DfyG7JcQUXgnX3GVjvxl6uqyVRtnlBdcvFbKG8oyPmNapuhoH9YJF0Q2XXVMRZmPHV2iVHkh08AwBMck9WT2SDvDH0DF6WiEFnepMl.DvfTcNLQ7FnDIQPkyB4WmFZMlA.nNWtLdOImTOjGoQDImT4FWINgCuJgKkNHBMyPOw0Wxn273LmXDG8_N9Q_P7eehzGLOCyzCjkjX7ljTlJasmPpZ2BtIcNlvyKrZqx4p2qrRO_8weSknagRPB2RQE1hsgU1p_DcfiQkri.LVAhfHKmK7s9ejdppKa_YITqWlQI6oj4OYwDTUanNlLCzTqFX9DxnYqdqKrFeS0xIR51P2KSPMYK7uae0N10bveCZKHP3uvxcjGj9BKBsH90GwNaWAMTrJnvXbYR1kHfqz0a3TM99ZWXE6RiEZYqLQS.mLo5VXdOz033fYgV.Cw1Wj7gLwG0VDgaaVU5Nml_FMMHztp5EKf3V_dDKhgpvFnRt60wwhq4yQZp.nY.rualaQXv4g24R8dGQYNQhDOGYtP39owzXQ12hEpe8f9tMiXJVSrmc006BhXbHTCN4cO0brLf8M7N8x1OyMtT3ECiiOSQUIr1xZzlf0kiau8R6qcwbBfYC2DDTdUsEGZlnV2qbg5Aqn32oTfpLQioKS6mCLqxg0U3jWokHlniv4msUDtDUh7L0muz1ISUE6Wec97aYb2XdKaf1BkMo89i6Ylwi4LE1PRWccS4cETSQX00zkaI4zL5TCac6BaD086DkHDXsB3MkD.EcuCbe.9mpwU9ccUXWZ1rBpGbdSMGeef.7GiKPGn4vOcPHTnuuf0HIUZC1MCX3IPfKnejh9vrq1Wocz8_wHxnKkVCif8iHoH0ZAhRN525zox5DN9wT93L3t9A3uu6pTtgqkRSjYC5TaSsmK.7GhltKOIkeAA1XIePdfDgo3JZkanVtickimZ6lvKUl7RUUIs1Z7MY0KnKNyZCpOu4gFeRVuo40lhm9JEKINa9qHggN5VjSfn0_OKxwfeAw8h7NQ4Xf2RcKqZpLf2MffsGNsO9WHOiHhnmujOTl29ngVivD1ZjjkFxZ8fN3MeZpyJYXRMptl_gynEcZGeLGFcU9k3ERNhckEURkWP3ql3ZTqKbBxhXmZUZiq0tqZrkwxUeH.0IPPOQ8IIPGgxTFoAaW3Tloq38679HV2Yj98xf6PAGLwzbUbJFLFXRuMyNNLZw7kur004dSFZg3DDO6NMlpW07i5Vh3fwq3fyucfV440AoMUnqpfUfQ9yKUGIyhi_HSbpSfTeHhkA4YAinlbX8_T.97AKFVjmYs2Bl4eXJNA893uH8Qass_zmk2vZGXqPpPZh.pL9v2xLdQn8Bmii6LyuImaS.as6DxWngHGH84VO_oeBV_d9bSDfwyqs3BmUEDPOlRDUc8uQEsPVSC8SMKo0R1UB4MdRPRxTR.PeJ0Owvw3PISahc8xRelVyZOeFx7bneju1dIQhj6TgVdHZ_1LqwU5buZdeqyQK57Gv2kxVF_bD.q5NvVuMEkxlZxPEDBSzK8rvYTyK4wj4kPiSsX4GTY9IgvVC4ASJyeEAUw07lkrGC2BEBvfBuV_sIfkbUZiLDtHWJDNeeaRenKXz6h1pRU_s0bo.ausWecoV3tb8xEvICj1rj_8coFypc9aPshX20lLRF11iyySiqZdDvXUN0wtgd9M1btmXi1AQxygwDJUvdJtS34wkO9.SGAGWou8hZR3BCHpJLbxGBhH5vLQqN3eH2fSFnqr5IfsHMCvzdKty0Nl3swX1yofd2bAfCCalPcspuNy75idzJ0gNmcqCq9cYAIJpO1kDujRXVPGViTOjUrOSMSylfiqPBmcezEZOedYcgCL4hdywxIvwJxAvx45_tJ7v3GjCyHtRNmkMSbipkAxcrA_yoSbrnbJza",mdrd: "KTIPCGd3K1x7_HdzshtFDN_r2Gwlvrgw7VSknuT4LRQ-1739401552-1.2.1.1-h5FzCVMHyVFLnwofgl8e1bFeUxu0dXEnNNSLaa9BNcPL87ZJpbQ8Nl9zw_mN_ZyRY43Qoc6KfbaDZb5z8Fmf5YCSGMsvCKNNVVuFrIPsIYppQJa2OfgUzvxAWPiypEMDhna16fV6k6PzSuXqVwJ88TUcokOi4gYOo8mGM8xL7oRZCCLIQQkNXl5xc1a1VXepXGBMtfNWKTvJwxDRtACn6BMA49GgYAgFHkIYb6ZJsSNL7RB8.SVPDTns2GTDSiUaR9buPFSeP8JMZNDoWoLUAcaYi42NcfIh2GpTJymwxRy.rrLshnKDJPytTvqzc1iZ75L5mf_cZT4xKjZUDx8QC_Fj0afQYRXjcdVY6j3FEsDSrrBIgEWORwrpgV9bhJ0UhDJaqtCJ7z0p.wCA2mQ2loJEMG.wnzjdky_fHrPSrRCxACwauwujeIJ8EagUpBln2q6k4YZeAn616amjQHFNhak0uhXLr4szJXYiGXL1Q37pZqVFyJY0aAdE5StRvByKj2R5YMi31OFrMyQ7TYSYfh6gQGOzTxyU4GPdiN3f4ukY62wJVWfAPkxvnjw7QIw1vrDHGtdis79ssvVapSBCGcN5Jb5zJ74jIBHJrojGjAmQR6G16O55Ys._Kj161BCBpHqnfpuZCeUvTd_3jaEBNQBpP_br5OQG99xePTCjrvbGB.l3jABq0YnkvygD_PdiPENoyRF5_dtl8YLOQjhjsc7tM.VxOVVKVfHIQ4oPYag2dLGiKHT3xVvPvYwH1Cjki9Sd5vk.wF8zKX1FPx2pZusSCDkQJxKkOiTca0.rKiP1iitBoBGOqq.mx.rU47O1stvX8aJvW6oMbDwvFZK6vhft4rjetW9DWO9JelCu2QsVRfAvzvp2X8VTrc1Xt1HpSw6.h3q_QRGrPp1EvExSmbJJdYmyktAAFk5IGiI17cJ5f0rhcQ3TuAlr19OQaCZXoIsYTtlaURVqHxDyIAlwFQ8yLuYL9E.wto8qSZEckGWHbvTNHXTAT6wj0sFdTJZkUjtoZGAZDyIydau13z0OKApZaII2FQ.4ZqEK_ZoOuryiCVLUxIeSm24kCPvSkGCYdhc9hbm6oUOg9n.gJNNVoZ.uYClo4VrALJ53LqCy4_Cvx46WTH_.Ead87tdG6gKvI5ZNx7RMQQMR02MCF43eE3qVFGhhoNi9kWiLxvqJ5oF.AGmDTM0fbiNKL0nvZb07oQaAQR3xtEWIbkVZrJ90TweipS7UDkmKcNBeI_8B7Ab7dT7tO5.42Am7a7Y4fgRz3.k5oNrwYKKcz9ISN9DEkflX4m9YO6N4OX0qQ9oMTa5znvu1mZMPqy_czib1RQI5dDX6vmszR_LQiBE91NyYd7xhb_jqUq8OULzy1zT6ORlewcmKXb1FpLk_5PyjovQHMR.DZuY84rvlFPPlatb0R4a8nMkigD8aVZCKHX.igoxdByk77HIqwWCaoU7aFhAXblnw8g996EgLW7djsOZzHhO4pCTtVZFGqekMK9jhth9TSfWzH_kYfY24ofbJuei6c6ld8gKLdzNPLHqzNp.arwLa3zC9FF0AzISEe731klFntgvT3JuJJTANw.4Fqx4FU9cwEIq8nuJZ5EN3qo9XhDe.lC17UnrHT.gYguNs1GpAR90lpkior4zZ8jGmA0YAAhqAtm7WirzjfjAMtwauSvE.loRiaPUZ7gvcswx8u49TnPLtdV65ktNDXhVfZbYNB8fw4CpdoX3KnkJDsyoLxzfgdx78Ejn3plkgXM_QW9MvQMLB7QtL21tILG.oAKIZJN.7ht4K3Lh66cELcE0xsuOz.T7GxLrHYD33BUx_Kf0"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911039d748d8c580';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\/4981573260?__cf_chl_rt_tk=0sGrqf.Px1AVYzNTN0JU7qUnX205pkK1aUJ2H2QPQbk-1739401552-1.0.1.1-Fycovf1XSobAYBSm99O5.s14laDZu4tsidmTeI_.a8U" + 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