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-affgvopxt.mit-edu.top/post/4529731680

  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-affgvopxt.mit-edu.top",cType: 'managed',cRay: '90f3afc0f82bc968',cH: '.mb3eNSbV3oz7n9XOW61P26m4qs6c2aCCI6hzmtGJng-1739102295-1.2.1.1-lSXpQy6o2anm0wJxJqqGH9LuWsjithfztqKUwHFjohZG5f4xa9BPwepkWFUVot6.',cUPMDTk: "\/post\/4529731680?__cf_chl_tk=eGKueJKMLWe6rMAVnQdYku9P8xZ4CDaqxsUIR.smpu0-1739102295-1.0.1.1-owf5NootrjToTbCSsgrutnzLWbn4Fuxzh3hwkIE3ceE",cFPWv: 'g',cITimeS: '1739102295',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4529731680?__cf_chl_f_tk=eGKueJKMLWe6rMAVnQdYku9P8xZ4CDaqxsUIR.smpu0-1739102295-1.0.1.1-owf5NootrjToTbCSsgrutnzLWbn4Fuxzh3hwkIE3ceE",md: "6KoaCvEMhyqEmT8Hon3Pt5GFnwjgXtsuMOBB5YSGo14-1739102295-1.2.1.1-Citcf5FetMYxW7XX9TPmq0dOZULWNUb4wPhS5QjCmjR1KM7tBGN1C5RC3bo59SWVicJ688fBABgdG8gR9Ewn18DUoF2mEazNjZyx6ZUCH9O0m_5FXT.q98m5ROjh0yv1QqNNVZH5ZFO7rmhNcA8TDhtYEbCHryIx_TubeD1GGPuXGtR7NvfOjhv6gRyZiJxKcaJEOLAh4_QVCiw12EQHnKXRrjhpzvmTFU.TcJmOwR.CLKegmeflAFf8yPbYqVng2xUm7zGKDpdZqSSzt9eyQQZv3G0WvomuXBVjDjtbVuRrEEMLqboGfjwwhxI7nZWypyRvHd.wg.U8YKxKuxbcEZrT0sybi2bAdYYpkG4ZQVa3xVv.OCqtYLx4qefZFErJGtDOXKLVBOEheerrDNn9OETQ8.a0KemyjbW_zmdvgqmFThxs.cw8yKDJe7lTWV_4Ve3shv9fA7mI3iqoR.2wdw2dDuD2xZNJtmMnQsq9tK1uNNQX9G7D0zg5bmAh6cOMsz5CFIi6ojHcmW8wCw3xzmbrvJf9CcMVwrCc8DFSZJeGnjaZewJw_8Im6T8UU74GZlBkcedkuQ8A6wCvNKCAbJkJO50JpUQpszGktAopDOx7X06E5lSZInVp4j0Tyx1BQRc3anNk86_56eYkeOStY6AK_f1_60ODU8Hf.l8GCQ.6F8doxlxp32vi1OnYyqEvjDtuMeVJiMeIG.2fmGLJnSGXpM2IipufxicEEOJ3i5FqgnVLKEjuVUtWcGmhM20.GIE8hCXnfDE18twXjj5KqNCY6mJnqAMbGR_YoUveHgZH3UUwoAoON0sbw8MiwWadpDzBF4mBofsJlBAqpYQWSVi6eDhLCbEKy.0tmsSmOFqsoOccCKptFtjC_sJ9U9tG.LseMfzmoyvYPXR2QyY9OiiJVMCxgnfaMeJqaTnZIPNjhqxsvoMUgYji9zj_fVGZlrMqDBFWK42hEqbpK2cFP.UPDwBpRyijgXeM34McNIJET4GJHzJHDVQJN9El_bPQpqBX0wertFEZHGvI2uuirwZ9B_5r.pARrUhv7LxHU6JgFerSIFcX7kIqRYJol7V4jiXnRAFoQ8a7b3zTEinSMYpdyTU8pqiB0GZE3hlF9i26NgtfQ3f50xGEBKeaCUeUa0OJLTCO3lOGiv9BV4hVLzrpO58XY0mVQ70fZbpsWos.S8h_eY_.UMzRZUCJP1w5U.Gs8eGJwdhoUbjkOjtIp0k.sPAMXSomJH_lrAicK4yhJCTJXzFcJWWF4ndXnknQjj6Oib4zcdz_eJ.bpipnhcOSy541FUif1_VDybb65wz0X3op_I8c3AJj7xvM8Zrq6z8BMcameITjH3H_rPOWK21WuYqs._gOftb3wzVtz5DZRVPvtpr9wwEl3T1ksykugtqWg5PKWU8bmSbfd2_GRJLJ2B.DtICpKdlV1UDxdAFK1.qyBbi8HREh4hvLxHH9IMxnLjOfZ_uWlfurXCPaPowKIAmzSX_v_wFpVVCLY.69dVsOO1_wj4yM3B6nLOzMaT0QWVdFpwWmKwE3CLVPaNHK5AwYVC4GMwNrDnTuFtExGUOyZbOeD9JiwuBjWySaR.9VDkU7wXDSHU6HgJ.jkKatm4AFTmk0SqAf5itcKBW5TyCHRAWUzypZmd5B7WSzMJsiy45P.7yScRL8kgXqki8Foa6QU7R_RkQoKfnX8s.AUGbZ2KJt9IZy11R.bbfqnEs3A_6Fa3BVJk.3gCitUho_mLXiw1a3GK5qNqom9hKDin9VCTT2MRGIUFufGyrWba6o9sF9jQJnfACBDgAur2XWLGnKZt5wPa4qRhkLQm8zMUmCs6YHVF43fsg_4s_48kwynBy6iXM__60GcxZrn4j3SCJPdVJXs8yk2vk.FNh4rc9en5XpUgsbp6V8Re.UcN5oueXwz3OfK4Ejl53rZs6nt6Y9OS7ytkRxoRp8RZNRat8kyqEpsJ9bXhpYW.eLzFyX8k22T2awi_6ZuZiSaMUPdfdWZZH_TZnRpkMBNfPROBDHjgNTHWpRhEyo3RY8BfkUlgEXC_RwZOLl9IQkyOJKoOlpNkDkLZEjacIOCR3vnqlzfWr5ZHPVZ8PINTApM8ZPMO3NUCgD7Jjb.wfS3s_BTLIZp9OaP9fmYJLzYooDCIpGO9Xp5sZJQ8oBshi2sJb2yL_Fav8C8z8uHy.FuxN2duFBsbZ.o8f8cGkBgH9vsNEe6bFjlwj3DtmnvYEi",mdrd: "95jJRlle6YbZjyKhCPZUoiMxw9DK.HxbqbHsUQq9ab0-1739102295-1.2.1.1-0XGcbwSOF2bsA8tgVdXoqX6xSgDeZWVgStSW.TbzWgCaRNwEXgQv8kfxi0utTgzo0e93qjZQT4Z8XSVMCM4kv0VQoMhrXjXwazQWESQfuyNpROrm5.pMxUJWZcDaw546t4R5m.dMGeXUn9atKv1VIgLRTTzkWCL0nHVdQRejRBgKtOvLLmH6xxg8aTAetC0UQVGPLa1lvvxskpjL.F1Cb81CcbVoPRG8ri4BlMrcB4IwzgyUjD2cOHz9s.MmA7pnZFZ1UH_W0Z613XMXy.Mj2psm31WfxEGGqVKpd7exeprQ4IT4DT0N33xMNXhpUbWO_06_si3x1_rM.KaCk1uqeUlIFRu4poT_fk_ket3K6WmvuXQDRx3MOjU.xBOQ0qFDBzjAyzIWQ4b1Mo_kdLg1A3IQwng0ic94Owoa1aMvIer35cPA_Ti3bOsmVRkj7_ieY1y3rKTwSwv.3hSF1u6d1gFar5SSFWXpBCSdaOZdMcXAXai0IM0zMie1wHnAWAlNm4zXvUwd3Udy4aWEZ16WNexj__F76Tv.B9F_wSO3WsnfbQQSG68OBiql80eQUyYvQyioqzrBck11s6ws1D9J82URZ.paSWFwXDBPHbRcMC2dKV5py6PjeDMWOzLCaMoLMosnBZekuDmrJvlZA6wMnmEBcyseWRWEKoJMgbFOEWwEs3HBDVsNOisPx0LkBxZixDHxN2MKSOOVG0ELan3nJtGct14ncf8rJFZBVGZ2nuPAdsr1bN7PHasF6rtalY2a1BayG6VE6Vg.8CNK4ciAmqz0nSpZdS3eUNfEocIGxE.4RM6sSPl5Vk73ho_xgR8Tfu3qz5sgRxU3W_5eZ5Aayf3EK5I.buL0garZT4V6LWA4jgl6F.rhEdS9D8_LMhVVRek54oREHEeQBY72lT7.nusaPeMexNzMjY9KJlKEep0shUZPvMj4uQF2kG6d7WnQYGlzBTmXf19brWOkFR01TRtobZvf95qAuxVhIDPYbT3KfLXIiItMb241wzkZosVKlmsalShreNNJPSL5SuCxcmdxMv_vk5AcppsI23LWhYcZG4zjU0vhsH_SlWUyTHFG0z4swPgyoGojjS8vAFgpeymTHqTkp8wIux9G7rmnh9OXTeQpLrRwuZuKhdYURYmaIizh5aCAiKCSBC8wfHeibjbIj_RdkP336CsJnbMDL.s.gf_KsA6LTQRqvEsUaiShq32_bj7h_gD1viDodfWv.orvvPMVxZ0qPkqXjMHMb1yP7CQTtoVlaIYhoBrHCDXhTo5DKJm6mS7PbCUz1Jv39occ3B0W802hOFJshs04xFx.vwTMpJzBx36yNB8bVB1cx2zc87U.UD1f0ULrs_F5.89oFZzIiwTa.qxD35tDf8u6rqgewVXNNnFcJhj9U0FpWl87Snsdpu8JZPDQLZdk9mgLRIwH8nej_x96U8qFf..COa83gSWpASPdKkQJ65.m44kmKl5SaxSN7ovMhzAn.2KQA9eD2Ge4Hq6tKdnTCBU4vP6r1OazL64A72tyIFwmuI8DkYnoktPpmXlajfo93zDnRlerBBkp1j0Ts_I174nkZE3Ik1nGykhW6EApEx96aiPn0mY5eBXI_lcGxhn_UVCYu5IpzpTAhYX1o06ysrdDU.3KdAargKZKGkve7izwFhYePE3wBegAI7.VhEX9vJOpABDdezzTIhcDcrBaqgiMCxRR6wGxtJRhwhLXWri9Yh3kJj3ruL7U.ERIj4pMAwWg8tdM7ImA5u9akJXXzytmwgc0hlqOfOBgbW9MBfBp0pXU3bEwq5L7ACczMLdHwQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3afc0f82bc968';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\/4529731680?__cf_chl_rt_tk=eGKueJKMLWe6rMAVnQdYku9P8xZ4CDaqxsUIR.smpu0-1739102295-1.0.1.1-owf5NootrjToTbCSsgrutnzLWbn4Fuxzh3hwkIE3ceE" + 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