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-affk964xq.mit-edu.top/post/8734059612

  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-affk964xq.mit-edu.top",cType: 'managed',cRay: '90f3fa2cdfa3820f',cH: 'zFzoThSDr_1hx_4B5lFzpAmNaOCJdqUOwl_zz4uLoj0-1739105343-1.2.1.1-zr.i6ZU1KAsAQek7sII5OojZPAh9WCuIqeNzcxWUHqq4BjB8tdq37fGPXecceQed',cUPMDTk: "\/post\/8734059612?__cf_chl_tk=dh1bMvJtH1wUyxAtwsJ1SEPVPHRxxDE9P8vvCb7IEg0-1739105343-1.0.1.1-PCZ9sDy1HWbgmdr2fyjD5lZjkL__jg70XSjy06Rhrr0",cFPWv: 'g',cITimeS: '1739105343',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8734059612?__cf_chl_f_tk=dh1bMvJtH1wUyxAtwsJ1SEPVPHRxxDE9P8vvCb7IEg0-1739105343-1.0.1.1-PCZ9sDy1HWbgmdr2fyjD5lZjkL__jg70XSjy06Rhrr0",md: "R1DMZJsZGCMr0_q_wweNhIDoIKmQZQYn0DqUhp0MYGY-1739105343-1.2.1.1-_l._YfaR2lncwC47LRFQX6dyRhhp5_x7RDuvdirJPHMCOeEvZh659aomsKqONHow9TW5LF7NSNtabpdxibktjz8RM52pWkvXHi2yqugNpEnTzH5uvZ1qj0PbmMuA.29vweELR6TbnBIpHku.AxyYSRzagMRT91c.EqjTOUuyE3osTTZyIY5hJgtLPlL4yDcKx0iJnXDmET6aDUZSteomhgfv40D4Bgb72IpsOG5UCoBDcx1M_fBOb_jtNX7EghmfUqj10ZrTY3NeBiCG9wo9Xjacb5LRXEhcO4yTamUmGLjWaCYfSZOYVWRybBUCFY5ZiZjEFbD7sNnqyv1oN._Pp204.Ac7Ez4bKi9vJqNVBIU5xoneVDrUWUbMJhBD.Rc3_QDdOhLULijsue0fRGpuu80k1CAa06GboCteJ6IjUd.wu5csn3ffVjgwlw8xzpFTxBDGgo36jwsOarGDN0z.EKyMuQJtNy7ozcIMKji26583KofxcVCO2kX_qf5TKg3o8AGyKsnpCRNyo_Ak1dOGo6neDJ8vPisl02WdZ5JYpLTsWEQRk8tG9or3N.jlBjitn6vDZA92stWYz3X6hIEf1NZt2i3csZ7m.UtOMt5KPYW.QbmTS1MEe.Suwkr2pW9E1RxU3z5lGnzsQJo2L6Jl1eca1l3usMyBZ.KxjdSqlYfHXSqGWyZrMMH_qK6PBBgBqgmXApFS6w6iZT93IBJPNtrdJqurp.zAkjZgz5PcSSF5tJ53nb5JFHWrAyKEaC7_rfARedPqp4iam7_MAypkED.h1aWmoEiBgZAe0qI7NPNLiv7Sgt3I_YtsUDuteOmUXnZR0d.xemdhrOpFzwQ_Zaee_d3xzDJ7NBiSq2_Mx0ZSDpySnLy8RttlCU2RRDWVflw2XMHuHtg6R2eUDC3vLXbbfBdFF6MyFTbHLhtbR8jWW.f6Nyeh.2wDXTvF2ddZlxEtLMFu4er7ePtaA4KAdm81pOZe7TFR.XggOyrCTC43OOJpU5jjKYQY4aNgEMz3kHVQOZzkBUvqSZvEvorbPs8LM7DDRBcOkWZl9VGMKwXvYhU9J70X80CXqT6I7kJOL1AMbRh0pDMAi19ITMQtJBuvPt3czdiBjiEUjC4xtVA2AF5HZ5Aj8suPx8OirBMZVye8yvq8QYI27.nD9SSab0gk_jfxY0Ruwe_XmVk.f.I9e_BfiWsfSA6.aWRj2RF7sbUT3A3RkmeK.qfdLUHlyXImFLSY.QRe2kgnA7LeN_ouMNUzwMPGYED4wkboS.6bntc05zarGvqWXMs2CwsUNfIkbC61e2zzjwGuLJcjdslxu86DlEXxlSr6iMhvqriogMB9UvG7i9LME3z0ngs0yE9UguP2r18i9JR77Af4sQV6gUsPdCzQhsmhA.ezCICFFb1k3.isbLZ0iA7BlhXIJcgDrszwf6ufvUVKTfdDxi8LfLz2NIEdJIAziRvM.73Q4UBj8Exks2lQP8Pd69_d06CaDh1LDUHqWChHdEGjxylojM6Pq5lBs7sFh9uS9s8hugQV7RaBNMibezbnc3KongWoE2Gp0XofX1lhC89z8sb8dh80967Kh0Az6iFf9NMlTkbuM6L9bjA2T.06n1HjASTY38lmKPsOg2vkt1EQQDJ6XvnUSXLPCo.nUYd4HW6Z9ogp9JW3cFuC9BuYpaTkZlzGeMb9Su6qwLhFf38TJPORn.K6060We94XTZtVgjshG5hGeYVTlNKYEfWLo4K6IiNuBdSOW5EB6yfjEaV4B0mMY.m6rX1IfOEQW.nN7.7lujpRoOL01MWu39bvEdp9dPbyQAd9oKibXrs0vQBnl0184X_FYyu7yYIY3sIBFEcR42TE_vhf4d.o2BoIgEZxEXzEPziacLb0SIExwK6dczT3JpIE0X6EOVTgrFvwkOVtSREZe7sfV5tU6.wGvE0kxh2ZbrZF8UWJOKapKzQcEFBCh2h0i1OzMtOFdu7CovwkzAMB.tDn6ECPhWsdacnXxiLaAxxVSGWc3jFpWOEZAwkG_w9BDGhG1ti3LkWxxmBzWPt0sOKGi2srZIhiuesfT1LfiWQ8ZelAGNF1Q42wLw0nlpIABnP5Xf9NZq7AgQGinTCiTC7xMkev6EQNg.J6sybVF7tWlCLnKEUs9qEzAzi1SmZMxecNAiD2wtEM5YS7Cy7h4q09Ff_twfNC_r9BHi3lqnEms7ijmE_MVH_XcwK8bloSoSuzccP5BWtrQ0B3",mdrd: "whuUXvV9YLXJhWIj6EXbL3OihP5mSG5boSJfOz6o7PY-1739105343-1.2.1.1-NzxTG3QfYcY.te3IiLeewt3D129kjd_Z31h4CbnF8odfUR4oQInpgbEAipAruUBFhUZ4aW2VJESxeDmQjKen_SLC_Vt4C0UMqrzqOrvmpDYTf9tLUMbQEK_ImuQfac3FbqaCMsxUAM.qz0yxB9rESlQ_1ocQjHpN.lUYp8j1OJe6kdrzd6ZpN2MdHvcsknd5kVtzaeMOh0Yg0NmtnzOehpTotzR5iDfdpbCCA6Q9JSZZYZGcXeqfqPKyqZe5Bzj0GDfQ3fin1CNcJHdTRMQrLoUB.L_nJDArU6xn3vYlVOcxQpSYG2NiNZJ0sbkfXgrsg39jExgJoQFM3EMNywgCPBALft4EpWlhU8y7bCQb6J5gqLfrh_wjiWaR9ttlMCRhwkdeXnig4cyH6Hgcok7_A27yvYiqdC9Bw7VfxS6EwpLJl7qovi1O2H4mdGqKup76TC_BkEPIveMYEP2h4LzYstyae3MmDUVU4ZoQV20rs4Y378Pn0s.ld.dhP3VYX1M26mv7IdYDBTgO1mAxLBXqfY6zgQ0j34kf6en00XA4MNHR73zfY4e9Cirj6ZHV5CRek3cffGoVvGLwVDjMoVB20xAI0koR2SLjfbJpVGn9wnTT4_6_FhzkNBNPjlUqpSSvzKvrtvd6IAfNV6PO77SfHCfYK4eEoEE_2ziFUWk6NuQ9QfNyrDxgQ84144qpUAM6O4pFKp7VoWu34r2aVcoHPDsbuKaLi1GLEx.99C6KG5gahvZg2K2aptAuEL92z72bvyFGjP80Z8kBbEWaQpM7EnJ7AldhiIN7NZ_furDMBqPCcoyKzzpHQW2BySov2OcygmGXyLWs.HKckA.intEq1iwUCBvK2AJSoXLH2.8eIgs6Ql_JROSrmQ1A_Bg_B2p1GmDBLBsHFq3daUt5cgttZwP5Z9NopGaIiO8oErKqtlPVcEFAInb3uGz4RDeYQZeYZiyPzVrO0Q39lKwPyiq93Ex9uHEDKcHYQZKy31lt.14jFYA0pWXsDsTgQdfWEzMDHHAyXwK5e9vZ23TTxO8AhgxguSQZ4dcoqDKzZe5l8WVltjUkTfbWyI3t7cK_AOO5YLAr_sItqB9mIQ7TgyaDzqdChxmJFlAHv.mCbdZyldOuEB5kHnynF6FyKyNuBNDplWXpLAfc6eoHWv0vwMohZjwelFE.Ip0ZD4UNG3CjeG1XI_JLHcSQ0GdMwK2FVZrrb.jv_imFQXdZyFf.byOlKHz6I9AWkmQsYCs9vrq1kru8dcxmDznpzkFfCZjKtjcQdwn5dWLGwjgOwxdcVSKguIMK7ASJXBPNLHlePJomRJC614TOlgcoyWnC4WBtZ8RrWX9y6_sgBxpeYWYUi.GnxUxBZABjNrqUoYs2jGbIeghoUc4MD25y8bbmPqGMOMA_DIwdBmZY4O.Ovk88NRA.rzm8kbeSwpbRT2cEvbGwGjzsQiW0fTHldPVm3NXxUqn9s0a2x5qIh_EVpTu0baqvna2zv6GSeuo9YpIv21CTOLfbvn2rOLlxId.jrIPAlIrwh0rP7lKI45drmg4S0L3nZuBVcfp4c_XCLRXsDIUm7kIVqZcIzjm1qa0umBpDjQTwlV2nwa8dqem59LSu62YauvXllUI0p6_EFDh.UGQ1jvs5D7gfspEqPvVP.pxXmJHaxwcDsoFjstSR5LDXh9_0mSH2JYJZ5FPNhTggm2ixQGzWpyagiIqaRdvDSWDFbYb2Hrfn.KH4Na70qrfSZnONeTGngrz9bwWE3877a3IrffvcZjLLLiIhyDnXeUDFTXJ.2Ob4jexeqC3cQKOA2WpG6w"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3fa2cdfa3820f';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\/8734059612?__cf_chl_rt_tk=dh1bMvJtH1wUyxAtwsJ1SEPVPHRxxDE9P8vvCb7IEg0-1739105343-1.0.1.1-PCZ9sDy1HWbgmdr2fyjD5lZjkL__jg70XSjy06Rhrr0" + 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