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-afftd8yui.mit-edu.top/post/5493612780

  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-afftd8yui.mit-edu.top",cType: 'managed',cRay: '90f80579c8ef0688',cH: 'XnoEAzR2nQV09uD1DRqjgYCGjsEh5jx0uGjQSow2QGs-1739147749-1.2.1.1-fnaiiazUt9L7_N0sxcByimF4DkbKfMJBcuwfpmOVX976RSpceTlEb_J07zauBlPn',cUPMDTk: "\/post\/5493612780?__cf_chl_tk=x8whKJxbrSCvNlZlg2u05wROJmB0FzVsewSSbkdE1aU-1739147749-1.0.1.1-HRafgC7fo8goS4RDfayBSqAhYDnX1HtKW2BraSJYXXc",cFPWv: 'g',cITimeS: '1739147749',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5493612780?__cf_chl_f_tk=x8whKJxbrSCvNlZlg2u05wROJmB0FzVsewSSbkdE1aU-1739147749-1.0.1.1-HRafgC7fo8goS4RDfayBSqAhYDnX1HtKW2BraSJYXXc",md: "7CRfzcHeUxvfFjIQwOp0lOxqnUZ2eU6azE0yRB7jgKY-1739147749-1.2.1.1-2S9xYN4K8gSYvXxv794XyJkf3wuy_WOjqBEydyg.44gyDd.wkO6tME.MO5yZBPyEu8CPmT14slrwc6fMdbrPl75V0m_nvjfOAYtag7I6eOfjkOkC.cKirhLHFWuEFY_1SNVzSj5MGdeobmHxoZKH_NEpvDRDb0bMYUlXJkJcPnlng18wgOahJHj0.lHYPWYvkSCpUk7T3XNJib7PbfzUV5bOYF.rfIaxsNAauX8FbnEUUcd_U.2Qv.a3GyquXs90jB7GI0WXabgnqyQaNTJ4kea1_kG0tJwRFOtOg5j_JYiZ2goeGZI3MeaNUwUuq2twLkLIV1wkGn_4SD6de008Z66RD7YW6FuRqGeLi630drzqBi8bZ40L1uSDmi5fxWXTu.q1HN.fq9KCmhtonUKxm.an3KaPl.Dl0Fn4a.RGYQG1lCKT2NwDPZcPHmWrVfknhnr3QtmbqCMQzMYQKLL5yIfQsqDIGExDrsj9WtouWI4JfyDefp70VuIMjFI6KyDaEFPChYpwWDapFfcv7DvGBSxGjlU6YxzYfw.gkcGEyN.VC0KJlm0GFm5Q6n1hRBesX7JX6HB.AbJF9huVcMQk7JNaQqVTxqJ44kjd3_DJ_05cqfHSN1zwjNulhaan9VZlt.XDKMzI62lxt.6NlxwyipRVgBG5JiPDDHG_RnR0oxDRehg2iC4fUra9n2_rzJg8yD8IkdKf.WGvjrK..7HnsYfW_LUtg7uALSeJGqSZukMSRwMzPGcwZD5ESPejtVG4UmEcU0O_9bSj0e6LtKTnuwFXM2Mm.1N2F8JFfsIOS_5F7CHG3G9A0iPFfdalos2cAzytHUXcv2yj5u7bQYlX6hW53_ByxN_WZN2ufBocSRopYQ9YRBDSmvfRGikN2wryygnZztvKXJtwtrH1_r9Ep2393Ymv_r6dqHLnnL2Us8T9F9aQRnveg3fQoxpihqIQAqpmxzyqDR8i8nzLZWKskxt9ymfPw.iD7YGQe2aavfF00PWGpuHPtg1qrYm0td_xFqab4Eo7sw.mDL8IhomdfB7sSAh01OeBfvWEzxqT2Y6Av8sYfwhOx95Gebjd5pP18Msyn8VwT4APiZH50J0MyIV_94_60JSGxo90IFVHoXz078dbWwbY3mPPeg_wArz9NIIokPgx.B0f27ksTfoL5zbfl_K1UfC6OBoI47AVgzNWS7GVwPbDw0iKZlYFzTfGiKDLKR7fKdVUIzFxI5_lyqwFJpVj8SDAZd_amJ7W4GzWExJgKLp26cLgag.5ApLOebw9d4Inh.fbmTv2kxrF6epVo7Bovn3eIrjf72vVO9Ys_Mp31vCCmHdwBQfFxNOC5pD7PS48GKHr8q0IKiLYu9FGtfbXTbciCd5qf_qTmzmyFgGha6OITCjk0elO91teCEziTSFOWyiUpgvjEULc9lhYtHzLOuR1SRiYpnFrlIvoIKD.1bpNKCoL4PgACxgL6M9cNSFzSHhOZV05L1jdcHTJv5r3tsNZFEXheF6hp3XHnNYNwHUal63PYeeW8eVGbtU235Y8vjFc5DkMFU5JBNKLZLYhNMWRBJqBz6qJxR1IdoZVBVVSg6jlAaFQQ.5mXXKMa5Rp_IPQnrjy66Kme48jiLxd7EiXiTPjAR0vVyXdE4zAW0Pg6b6uJZssfk11dyVgapBKoceFK8K9WexM3Jz2w4lSpiQM917RIYvvuQlAv.vmxT2Y3Oj.y9gwlKa89Jp6yOWa2vv3qbDEjwEGcsrNnFj9504pl2K6XF.GzDRH9MlggYZqAtaX.KSAJQp8aYGrWdBamcutcn73DfmowHyr61aDJew4zViTeFV91IOTY0d6QrLsNECeH4Xpv1MWdzNHKTKfwou8Hu_GSwqebuHxK6duIO6CnqmxTI6Jyq5vpNyA0PuZZbum.6DszkkFAynSJlABuRyUj_HzuXbN4xCBBnALRTkEPl6bF_SJHMMI3x5kRY0K1EO2dWH2xMqMV65TUXYcqN6PIBlq8d1DV5Fz2LsQhA38ZYECD4pOtZAclz1iTRC.uKNXzt7T8grQGIDDXnT.Bklrt8WP92YN0p6otRflA0sK5OBxrY4..lmFyjcfCZlZZlOOtuRKRFsDpEfGcBZteb0cq4HHnmxOk5Oy8PjNErhsZYgQhyiNxRzV.ZcYf139GlFGGowLKc3i7JCPH.fenI4UIC.v1TgSBWN2ALP11Rj2z7odUh0WOe7o6ov0UNkfv1V4uKekGCs7",mdrd: "aTLwXqy87_pm87z3OSJrMkKPLXXrcAypI.KC1tEoXzg-1739147749-1.2.1.1-AwXNhqFbNjErxDM8BO.dTWHvdPo7UQG8SH9L3SjX3ojrzFmX9pYYd0qVkpmFCV0IcAxaW.u7jWOPdzEvoOam0UP.m1B29NiDFBrgIiRYPEqyGDVwvKJOrzPl.B9fFfFJxAVS6c7z_DuVYKQOW4w5nlOGNzmqa50y1OVjI6ghoHjqnpyiPnn1L6TGbImfmrpGlkjjIq2qU1ndiVUan7FkwCdPFdcVC63ZFdQsaZ4lYBnPcCn3jaFlom3aD.GxoBVV3Qi7aAq4bM0iAdzWm0vjlT0ebKWJi1R3Nm1F3lMdJ06fdtId33WPE0b9WpbUCkRkr1u5weRcqD9KHl7SSi8nLTeiL0ASd1EWDYv.Ro6lIdDgYTVQi_oX5xhbZlr2X0XNyPEHdLjJr01fTa8V7ROgCnf_IfLOAZLpl7Obw2Uya9YFAKw2OObWEXsAdnOzK6OBFJqj6MdMnFAYg9GMfm0v6gGw21Gku_5L_N3st3X8XDpvqGts6k6NwZMP.mcNszR_IHtPaO4vcbVG6nxJkWraQWy7.n3CcSBmfbJM_WB.kZ4eBdLnhrrtvqILNcMHigRH20sfiNYh9toBNvtpeVXdB3I5rjS.L4YNOTylh90dSEFc0ayVjBw_A1j73nnoredtkjTW9nioEjqtANHenwW5XnEzyGjAFy4tkREYnu13R8J_sezqX0T6XrMhfThY1s3xDEj.K0MIRHo.ABQn1iOPbiTex3uLtEH.1LIvJ9lquOGz5J.KaNQPgCZDbfI1idwMgV2eVK3a2LYDU3_tseYy5GKnzWOivjC_60u4qkR2FzKAqBwOmk966YgVv_Uczt2ECJ5CoPPL91Liqd.Hh7pyMBueXheAM2MriqHtKwpwwnGknUeTW8T_FfTGH4AvdaM_qzL8u6DAlNsrwawUxhy.pxczuwP9WMX4v.nKm3ZfjhufDDGbt9.hiHqPnBoY.8t9ngJrnBbMr0KyZN0kOUrHaXp.reapvd8edDuiLArk6X30S9eKXqLH2OITVMt9YwchF4fcOMfousjdODWXDjaaiYZ5ZOsP4h8JPB9vvYdDRY8ThWLAl3bWYsqfx2g449rbebzJfwXvDXSAuQm4YuCb5aabeMzKObk.cwM6dwkUPkCgaRKETnFp5Ik8tLjwt8PCmi9yu.JW6u3tvNLo7bcz9frovUXJE64hOZlA_ggvxq2esDGp_IgojkwmZ7le1l8Hj4SctDQ29ZAk125zm7B0X1XObhGrCsfC7S2HA.wlIlHGvKPvI6IOXe0YkY3yDLc3TUW1eJFMQ36vGUVdpCScU69Qr7xG48g39bUuknw2PCTGNQaeBCmjy2htXmLJb6uAVTy.o3ZdfvO3sIXvfFlc0JKeaAoIOxgOCAUrI31i9DZ2p0VYbKquVXPMkjgzrLuBJpbtV5vLyAznQanRPg_nFgL5H9rAB.tvNvknfwxO3cmysf0GGF9gVMPEWsn.VMD3l3zeXkkNQG4ejgK5nQY5kRmCjA9DGOvXlmLW70fhnOkJIevj7M4wWputDU1.AmpdwY14M7NryBKZCE1wIdukZCdmZijUnrViKl34qIc_az.JQ7OQjElkBI6LfgXAdVcC2Q6SOWxHjc4szmg0v7qrupC7MYTGjWaKx3mfslu4oSCz1OFAaE76LyMbINOOtS2_R7iBdveBVFZt2coogerJNGWTAKwwMPF.yLamIC6b8RUfddTdOS2iUqiDiisb0lDxttccOqIgbyOR04FjuoXdG0kJt.BwnStSzcsr9Vc777anj8mLV99dkSrEWXty1p947OIpWjO8ec1J0WuVBpwXFg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f80579c8ef0688';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\/5493612780?__cf_chl_rt_tk=x8whKJxbrSCvNlZlg2u05wROJmB0FzVsewSSbkdE1aU-1739147749-1.0.1.1-HRafgC7fo8goS4RDfayBSqAhYDnX1HtKW2BraSJYXXc" + 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