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-396251728083.mit-edu.top/post/1968403275

  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-396251728083.mit-edu.top",cType: 'managed',cRay: '90fbb3fa7fcb81f3',cH: 'mb2oECfoQQYmR9dFrcCFSO9RshazrAcHJ8EXuS_LIt4-1739186354-1.2.1.1-r3Dw6fySECUkg5.gGWA1GpCAySsARRvDCoBNjkkVecaFI2YzNfybMcnMbPsZL5F1',cUPMDTk: "\/post\/1968403275?__cf_chl_tk=F4w5DhGuZ1dSIog5GU8PyyC1clyddS0GGjUzrdMYxWo-1739186354-1.0.1.1-03OdfyG6G2xUQY.FaJgCZ3r_.111U2yoSP9FjKcC23g",cFPWv: 'g',cITimeS: '1739186354',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1968403275?__cf_chl_f_tk=F4w5DhGuZ1dSIog5GU8PyyC1clyddS0GGjUzrdMYxWo-1739186354-1.0.1.1-03OdfyG6G2xUQY.FaJgCZ3r_.111U2yoSP9FjKcC23g",md: "rwbE0dft6QKNjmbfFbISp1zbPvjkvpAtd7XDz2UWst8-1739186354-1.2.1.1-PZ7Z3q0rl19UXKuCcC3J7zibbXii7M7Pn44QXkNmneShskDfK3bFcoCYlRhRmvSMthyqu.cI_EoFXKfkrG3WvsjjsdiTemYgTTypETk_IXjpqp.ogQhwp.VFp6eG8EoYbCPCfrhVEcphinROtrLTtgvcJ.PfznWzzy7UAHS_Z.Lhnlebsd6cxTLYMK0wn6H7gSiQPVZgGnIeQ1bvaOdA_RGhB8IZEpZ2G9d.emY7uAroXbnoPjb_uikjYGKmzIFULTN0nZ_DETALi6rN6NOygs41AdA89uupoZtGbjTsihPe8N0XUowfVVZlvBOsqIBrMtmnhcZFHImF4wWG9fFLBQUUL1QYkpxKy8vK0Jn68HXsi0cXkbjJ3t5uoPbmG.h10cMXe5__ar4TTwpK_TYvv9.NSJvHy5pf80hWEZzv018kWJmn47H20aSHoQLDJIYMCzbf8YYgqn24N80bwL4v5AnSKwIYY9IMe3zDJX9kPjyr3D9GlD6oDzmvvV85jTrum2SGWEFle_Mh9fs0OOIZKXHeE1Ko4DZphnVlI.1MqQ4B1o.klrsFbSiU3m9tultd_lZe5s9Ame9KFWotLLeyWGonsqw1Pj8Vn_hsEYmdskwCG7hvU7jYkCIc66BQOup3mvfqcyNV7Srw7vr1c3U1Ux__tNxztjKHtAmdVmSO51CnRR48U20tCkk0Pw7oQ1mlJjpTKSZGUJGJMNCN3uJJ8.I122x9LUud.PU3DIqir34Eo55cmASypYa88gPJt2UZFofD.CkgzpneSVJILKYGv.uDAwVKw9bdiS5pMEFHHzHZRZ9s2ZRyaFeIYPwl9aqJlmfrghNOauGBvGgZ1sHHaOzAAye4kEfCISgoayJ83Da6KXByTVhLzSww6Dq2J4Kzqe5v.qygGOaYnMybbsqgXW6oqoSQ.E9jG3T8R8ZfADk7mVaXifTUk8zRhbRsnqFzCwwRGza2PRFyR.6F.LyuJUBI4.kZxV2xefrDRRxyQhKlNoM8ExMXnqmWI3YFv8mnGZZW.e89R8pnDG5bxsuUBLLPmeQ5fIKK63UBh6UT2BGh1_CL5CzNOe7.HnvPurqtfew_wYcKh6neBwsQXcBDgKcnP3tywx2ESLX8Am2X7tfIX4kFIfhZQWfdrkXGMeNTkd_mEvFS5ZEmNNsu2bpDNyDTvfQYn0R2qN6dY84ua5_KKBT4f.i8IKUI3wtY557vzsb9impTt1CCxU2bDEjLb4aWP2C5wi2ym0UCkUzu_OPUcR9ejf09IKOeLNvbFosttP0PS0ijC4wlu9tSp0RrQPsgkJfzRgCl9OK_G1xjL2i0xPCvH52beoKhgZVu4xBf0batGyYn7LmjSLA8EottKDmN7mVhqmJa85c_nTu5myAx4B7izcFt7ZLEWF23e2fdX8QdCFNIS29Mm5yG1g0S3d5W4xd0yiQyh.WEHeZddGKuYei4._Yfj7tgLJ7V0.HpAdIh0VpcYtETuPfwIunvWYMcRVw3TCZmuCggcu7Kc4Vua0jRh8Bq5_6OkLpZ02jLv9wLtbzrg_u7pW9583NykrFeAM_.aoSH5.pxSktZsMWi7bFQBQe6wJ5EuLCeatFYiMWZ_9R7bzYsKyhWzqSdrb9Ks_jtDVEuhOrkK1aFJrikfCCqnxZCQplpLUXZKFolYcWjkHRMmNfjzhjniCvid1.hRzVqt8v1VV.ch_KaF8CemGBZULzIGpd7ULkytRybDnNfzlDBXsh.StH1ONG_pXUjawk9dLB.N6z4.063Bg3Ey9yva1w8J2cWAwgESoQ7eYVh4fu1_A87Rvzo7sCxqfgu4toB1wSBiEP_puXuvb69AKML_WLzUFocwOctolE9aMa5xwWINIWX9zLSpNkfGgTWN6fY5uOhzZNTJiIfdvmZ17Tzq7Ub3duchsmfM8WylyvxppyZESEug_px5INHrqMH9wzAeNzyXKubIZGwmose00qx9SLj9Qqoo5lNaKoETCG3PK09ce9kreoGpDiep9PH1IICVLHLjZ3hrT3bdMljKpm6eODb5eK7k5Xmb.gJTli6zm9ktaliuq_6gmzLGOLoAwgYy7DAkPgtKBD04Pb4tkziMzXg.pm0BKxo67KZWyevBu3i3eiN5NmLvY9rjVQyA5jglya0OC3POGd9CB9puXaAvkx1fuE1M7uKWXwSrucPRMQNcfIYXspPLUlylsydAP.wpfOvNfLx0M8OPGvKILHA5UL9TNju2TuLT.lm",mdrd: "QDuQzXcdI2X7UbKV3EY69nLIuFU_V4ibT18smY5S4uk-1739186354-1.2.1.1-YZmKyJl64hlbfJuD3HdJ2JzQA72TxC8IVD3RaNhtHkHa4dWLYSKhHOFt_Gyjau1WpgArvQovtXmOmK5aA6rAWzHpiB_ngBbEoAB1VN3d7jXqkGcNJStPSkOb3oe9vYtlUuAVWPXmtMoxSI9pQSk8JF1R38768xPA2deBwbnYFuF6kP2DMfvPckf..nIH.6jdOBGrEFYzh0zHs3E61mpOg4ZUP6Na5JkM7Nuq9d0K.2lwUGXgPCcniMY69fQDq2eQr8MT4IcSUmHECl6sp3dnu3qGzX5QfmquqXCW5QCnyiG1giy9wa1V9WkDk0YHHZ8uHJqw2WQffZQln1dw3FgEV9PGs3FW.XA9njCZ2qOUoRvafxmjU40XeIaWEJEagQvZJJaNK0IDvmJVpfT0Nf4EPSn9szEXbGGOeaVTd3haWobLZQGnLcW_eD0MvWyBmnj_4I_VFNgw7MN8ey7TP.4UFNH_EiBLvo9Gj02CoAsh3c0VTgiozfsZLooICEb2QVkrGhEqLoyhucs.mOjKYuIDnol22X68i8CwLa8bScQTolvNrwPu1aMJhDXdhNd6OZl8PD533QJOcRZZw.rOQOKfumHWegfz7E2Xtn6unEtlNsUJCg7ZSenydk4dcBs4MYitmpuFAPBS4jUKn7gswoRkbEJAVIkzptHqXkkX4zNKsiLnuDVm.SVMG9rnAV.mpTmIXMF_R_QZ9GTrIlLsCbClSZh_jeD2zu.VYsSuLhnfl563fIGcAhR5uIqCFr9aLuWVUGou5BIaO.QDih2T0VTCVj.ndJPerFIeid3eFF_mLMkVmulyl6F0x9f5.1gsIySMf7rLxXbWJzweXEjJRkdqTik5d7I_C6CFtQMVIYZhjhamw7E2.FCxz_rqiQHDszyTCPehNLWIifu1MFn.twIk1tbL_gPJLclSu11sPgHi6sxd_W3UUdc2wMfpIpWEWACrdKQ8F6p_x_WhU8Bnv43KuG_nfE7XoejL2R0NDfKc_.2DiAlofxnj58qJVyT2Y1Xdyem54glcCIBgdfVW2dbEpbFdlX6veERHYEGS2_8NPAnYCSgECeb2kVhz9RSeKkWbU_G.mnKcj8.G0mNngGmekPOJ1gJ5fiQLVMjT6QaDQeFTK0ymcdoHcm.fXdkGvQ3uVRi_DDNVIe6Vt9nolENRFUi8tRNkZ7WMlJJolVHp1yxGpWEa03fa9IoNPxZk3htSel.iUZUAkXIJNQEnbkwdJ_ly8otgWQsCKTTtWBlxKJV37ieVyZY_8RWyHp5SOGPXdlrmjVimpikBRYypwxB7W_OXS_NTqqQumIFIgJa_daVLuPpWNdRGu4HGGsMNDvZQrMyH769aANpSuT3dmzovSZCFXeXgHcES8RZpc3UnFznye2z8pHc2dlDLCp2qHb7H0lTzcsGDoSA_IQgk_8ySNSVJ9YFIB0DY7tjQhLy9EL9GYoj6Izg31wbkEQ38IZOa3KwKXjcLKdOTslvUhfKBjzeMd3tNxUaEMSqa.ais1LY18QI3YXPtjD3k3vSsg8wkSLL8PR_reVQmd0AXMAlg9zJdqEtFz8B7iHbYKn3CvndUrNF4b6.PP70Phfgg9Dm_eMo5fnHzsoiTGzKGiQwkYEReZpHUgrlu5TlhyZmiCEuKPRdLVg6uoCfk01msvj4sgCt..76jV3pTapXswTyVoM08_jDaLXwogpyzbm9AZ3SWhgnyFVazUZ2hwW4tEESAfeDU1y0isKGxv5Jtxptj60EFY0JZUlRDexkoHQ.yKn5o.bRV4Q9.tSSi_i9qXJqxneVtzx9h64tTrePp5z.y2ak10170rkD8UYbj0NIkyo8wncSCk8.gUuvkFHaQTQbg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fbb3fa7fcb81f3';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\/1968403275?__cf_chl_rt_tk=F4w5DhGuZ1dSIog5GU8PyyC1clyddS0GGjUzrdMYxWo-1739186354-1.0.1.1-03OdfyG6G2xUQY.FaJgCZ3r_.111U2yoSP9FjKcC23g" + 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