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-affqz2th9.mit-edu.top/post/0653174829

  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-affqz2th9.mit-edu.top",cType: 'managed',cRay: '90f7e90d3f9e58cc',cH: 'fXwjR_zz0rscFQlakqL9Es1GzfdTDD_0S.ujReTKsoU-1739146585-1.2.1.1-Vy32kbL_v4I3aqd2OxZDeNEEOk99S8mE_hCjEe5nbCXzBRjAOTWg4nb7ZvDSjVzf',cUPMDTk: "\/post\/0653174829?__cf_chl_tk=zkpOjFvCz3thm91pmXJ3VSeZVGF6V9OaD_6ndiSajnw-1739146585-1.0.1.1-NS8sB1kOb.DZHaewF8jWsg5ojJ1pCITBnXr5avuRbUw",cFPWv: 'g',cITimeS: '1739146585',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0653174829?__cf_chl_f_tk=zkpOjFvCz3thm91pmXJ3VSeZVGF6V9OaD_6ndiSajnw-1739146585-1.0.1.1-NS8sB1kOb.DZHaewF8jWsg5ojJ1pCITBnXr5avuRbUw",md: "3GagVvsGmquA7bZaX4UOD04qYJOxAJtg6fzCqqfVaf4-1739146585-1.2.1.1-GemOJm0Kr6G1xaHuIoe7ecLkYpFGIW9acLtNuiWTRaR44e2DUT4t3CieyNj11HRgR9kGKSk_bMnHVospVOARKOz6JezHHf3tw68.PfPfHCoZE8cvTA5m9Vf4wiPeym_2JxejQs62VaMoocYzwPBhetsx7FYIz.qc5qeR4U57yLEEC_IETZm6CRsJrw4bUdp22CG9oW3N6rj_.phcB.629tN6GvJZavQTlCHbU7yp3EK118lKVQgi__X8nHHqAsu.DmyhHV6rrngL2_Qj3lR_s5pmYheopjaw5GfXv5oYJVLSaFo1r_0.Eu5kk_eHAIPdRJept3IL11JMCMaGingO._wzCgzxVrcGxsx9ZHDVwnv2MAn9uE2qlnqyEsqACng7XL.g4NuRPEA2UnC4V6VJXC.P_xuU1pOLiRokJurlCl0nEArtTPZoESPlAXNbUFy3Kix88IQZHO.FNdO5x.NW6Q0gom_8GN1fzxfLlgf7H7APpuF_FYqqC.8EgZ98KcVf1.PZS1u_owrmb5eWWynHjxIP0Voyhu0DMzoLqiEq68tqO.CmrYpGZM5VZE6pcIYZZP7R8xDbFs5ly6vGuUZ.HIhW8z9Z936ba42WT8.sF1l7xkMC56gbFDrmAVTwI3RNcOLAqRffBpP_1wVbKnE7jHPkdMtROYofXdjxxHlgiWSJwGDgzZaDzxUor7M9CT4NlGBKPkDkW5QhcsXYvFpTkqNgFWTLKWmwOCaLk09vPtYR5O6L7PYO1ajp1BQhdtdLd2yYAI_Jvb2geADO2yeZYEepQJ6LR_DvfG3RHH.apORrEqCKPBlvgthaXhvPaz6JTv_fKhENXhDYu578V6uanOCyCfZQu5s3eQFMgljCbtiSppLS7ZdXrm3MEltO8xr0JeGJkef1QyuKQwhZVDU44IyALkNlQj.HQE.o.qe03elp_3Z9reor6pnCbvcgxLhwFdI4WqJpT9dvEReajyusgAQXcjWn9St1EUu1xvB28osiNKR7NMl8UlqInnXgcZQ6bAq.cYLip9CIUZX97.Bo9C0Lsta7O0bqNngxasSmPIlz5VQ.ViZpfb.WXVqi6eca81pJ_ZXpeZsGmZ2YbutpsCRhchF2ntzvA7dkOuREyJ7jUUCxdOSeTvwiylHIncyNHUoku759n6y5y4KVhK6o9x2SCwTWOmkxY7PuTaUIt97YZ8njnJZdsPstt77fJEhvruL0Q80NV2EroMdcGWmCkJ1a3Bs7jFMxOrkVfZ0Olf1TYA4tClUJ5ubYKomy5Jf5ND0bolOsQYCi_8P0c8AX64MFtsk.7RkPPgi0a50dObxNX8hIVG457dcMzv05SWfnsiWp7ZJwrrQl20XLg_5SBNUkmMd1HpPZX3wkRz4pThrdrzb8_gId9rFe4xXt70RQ5bFhbePY109XEkbLTxWO16PMGYaKyphHR4SKgaoT28nTEmvk7jWDwZFlX3L9jiagD4reDQEAF5TOtkEbaOOUhjpHOJJdVDGuSWvawQnjxpY886WL8IKV6NCkm29XBrfn0D3gpTURhfd8sELxcqFhIN2yy5fEgOxoemFd5jcsjGlWuQdkF6tqP6pagDHtfxsqUhHugF6NufWxGkavP7b34MZcW.MHd02WDYLdZzP9WWflYBsAFbhRdEAdH4sbVsKI6ebZ28j1qpQc_ONFTF0j3Jx1YaK6VsybB1LQ9vvfgjZSBdhls9Llj.Eaa5E8Vtxf8AsuQp78hhOHkcTVpQA3X.PTcoZfWjngbwPf8iMJuE.7eWS_mKxfoYyD_fFHzoS5bhiAXHRmwW43OR_lSdr.TTDrjhWolsMlqiig3CyTyUOyEo.OmVQz9YCUjaEa63sAnxh.deoqzzQnS2XcD8hBrmQfNUkC.S5gOsvuEdxnR7yyg3gvT_IMi1rIKFUSsXw8UY5fyX.v8OTO5DAV_ee__zEaD_DlCusr4YR9xLdcYhMIZuLvaYN3hgDGRaVdUGvn48vuiCuZ2E.b.D5CvF0SwtEZOl3I4PgzoAKOUG30SkYgKVLJpabpPU.ua3z0Gu_3UMudCytg3PAOyH8nQ5VJ34oWMzIQsFTMVxEXkFI7kzClWJmXUh3C8IS0r1d.D2QS04yqSmmja3jD3Gnd0W1lYQJi42NodaunO60s3.hE0p.I80YDGBNrqMB3U5Qgx3vvKIwxWRiRBtuwUa1zUEqUDwQyVm4QSxUERRg9yjzsctDq2gvhAu34rED62980kaTY",mdrd: "N2H0ePLgOMRwXlJPY2yPIx8rXmCWaiNL23pOD4u12no-1739146585-1.2.1.1-NzmKBojAqOMSbrNfKyjs2S6AuBevH8gDrxicZeQoW7sMR86Cr1uejZgaZqyyvv6.gvS_3vjM7.XpEHLBMg0QSEt8OTtaYh7SlV73NZCVJmw24Gu9FW_qslGMvA9ru4SPXRKLCtLJkWvlxczo95cul5mjrLv3bf.zaCirEg9LRratjprxAvsUeqKaOoRdsvILmUknv1UeJ5EiMpb26DWMrsi62AB9apnTRa4x5s6TG7fImA.mAmuvpIZHNlaHUnocmmQGj4Fx6MXNxwBxjNi_zOPgFmBE.6n.OwRDGncruc6iKfAay2ojTvTfTJgnDOD7mtASjipUzpOsWpPYo837D2UNLjG5tH66apOoMR8HX0QyqvJPV_v7ziVhh.mCW_FH0d.mNI._sA7TNdS68m5psBaz9f6UlivWWRMPiFKTxjGUPtPoCMiuq7em7MLVJ4As2QQGKcF7MreXKEyXittM1cvUzrUULkD21uLX4vaIuQpGrh4Gud9CxmqrtkFvkMUjPwXxLpx85GMlXnbapNaTZ5DaX5ovc8DtTo3Y0QG7a00k6FdQe420uFu_4fZEEpsiAPLMntOIsJROmiVVkqoHcOJ6JZ14lDZSpXVeDbx_31oyfvAAS_kDIRTxBQMe3pYD9sqJbMPY_gGOfMJx0lZ2updZq8.6Y.nTHw.zz8idi1zjGgwrSHm4JWa_cYpot5D4BGHbjQSjoyKO1DcaQ.VKKZ6Mguogo7fe3I.07n7vAiFIYymSr35Kyg2ghsjrG0Jnvxp5SvJQVagpNwo4Aetp04787NigexwXEyHEXMIBDfT2mj1liVf.aSHEVF1zfOFUSYc3zQS3FuPrtR5.vN2YWMJWxRw_MwXHd4lLrJpHX7IyfmuO0ZxoTH3DzG8yHtbXZMRnQBeqtQT2vmb_EsRK2m0G9OZx5NxnwsGC..y_0vQvr0nTh9t0RIWpNd39qeZqKd7_dT21mK6xfWxI_N2hIPVv1juQDjXqEZQ00c7ARhLv1bQL7KWmYOi9cX23d7S8tN5M6mkJFXsq8lV9gCyX2dAn71zW8TzEG5kFK5sim6Wc4jv5ndcd.Z5zdTn7QA89GmNltgdlijgcoQd4Qhjc245ogw5THlY2YB20vzZ8gnFo.x54aOnAiuUNObi8KVAF2vRkSFlQ0Ip0rftKAFuEO7dh4yCFdHXXjQLmTso8cICGteIHeCORkqhw0tggx3VhsH4xVU6jgRR3qaomzN9r4NFi5CVhROlFP3Jrn2kfupooiLUBxILL2L62rlmZgXGtDqNPjLJoD8K6G0K1yw45SjUZ9HLQukTb7cWmPvoKltLmMibTJvt2M7b7wOHHdDC.c.uolmSLoOV5K2yleqGWdtn8_lA.LGxh5sNHJ8N3d63Jj1C9pEHQptS.7y0PDHIHA_xq2IxG3.ffQzaN1Qt7bdDZ5eg8SftcHPSTF6k6UUPmsJxTiMvyzRJipBopZ3uIPzP2SECdbnLeV7v7GaGqEDyxvYjqplc6_8Nr8KdMfNI1ql.pP_o2FTesmJUY186f1NaA1rWL3QLvORDuGXk2pNM53QzUTDFS3xdKENratOPNPy8nkwvHEtHi43p950xjjxHPmp2kF0urVGB_njRWbrsdvuhFC3LGqun0cQmg6794S3FsoqCbUxGstUuT6Kz.CbIQPECQ9lB3PhPkp.sYc9P0KwVf3qTOfwMcP5yYMI6pzDftU91LwFaG8I3rWWJU7qoHACK1o1NLnoLTbN4f4bgQ1LmA8EkEwZE4DDJxmcuWEODXwo0ieguprGgWXDu5"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7e90d3f9e58cc';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\/0653174829?__cf_chl_rt_tk=zkpOjFvCz3thm91pmXJ3VSeZVGF6V9OaD_6ndiSajnw-1739146585-1.0.1.1-NS8sB1kOb.DZHaewF8jWsg5ojJ1pCITBnXr5avuRbUw" + 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