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-affes18pi.mit-edu.top/post/0456381792

  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-affes18pi.mit-edu.top",cType: 'managed',cRay: '90f676853d4f585a',cH: 'a1imGw09kEIQaKmc5Dq1BsMmM5kcGbkUwSX39KuvJXE-1739131408-1.2.1.1-HiCA2KbzalLlGF.KHKTs7H8mmcbPTSlbNlhNz8fhmve6g9H5pBy6PoQvmLGFL_R4',cUPMDTk: "\/post\/0456381792?__cf_chl_tk=tGeesGo0p0eEJ2XsFX711s22VUrgnuqgHWcOvbtxKz8-1739131408-1.0.1.1-E40hkEEopPQdPMMGC1q.thySWZfAvyeyZ2xgcR1mFQc",cFPWv: 'g',cITimeS: '1739131408',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0456381792?__cf_chl_f_tk=tGeesGo0p0eEJ2XsFX711s22VUrgnuqgHWcOvbtxKz8-1739131408-1.0.1.1-E40hkEEopPQdPMMGC1q.thySWZfAvyeyZ2xgcR1mFQc",md: "zK3Deq5EzuGv5eHUrJd5BCwCvMrGKzneo_aA0_wmsEw-1739131408-1.2.1.1-uHl_beccPU5g3sHec1kUSzuC8uba1H3OmJ.B9jlqevarZOi3jovzTbs6fECDIDZC9_ZlOUvgX4VabXUQefoaFmHv7DiysNVQSggJOMYF5.G4u7Fs7jcCjErF0ULWC9Npr28BxxXC9c8HhcvJ8aKESwhtxctp1UuoOSyEEcgTSHvLQYbahXPiAf1pGTDCN3zScSv_WJncHqqqoXlyYN6un5lVTJzgk7XNFqHYhCLDw8SljigaEPBw94oQ.hx_MJ0.vsDwLU0r7XSBQ5BTui9XX77VJP8j2j7Sw1LIXd08CC7td6Ih3RrGVG22xI1WeKIC6NYDVdjyg_m3YziCoZca5j1U_y90FTVkuFBWG4ygaWQvPM1udA5tlnOcx6bWCUIeuls87X0UZPCauRL9ifQhlKNwr_M27wOZmL7fwO7q78ZcWYEoxuhdjj9S4n8zvOBdFXEQdVpduXZC8.j8za8MKEa3L.IPWk24yyX18DRI87xh3vWFanAlFbPmqKPJJutgjBWapFqimA9_1m3QzzCFGxKD2iG2YZ4bOejeLawkBbqBMRnDKcumDIMml9EILW1qdAQwCnsj8DOrv1B0OWqmFMypdRew.iThxXxsh.TcQEF.XHjK9tjnrtPGL5VNRlKDp3MbPD6FIYit_JdD2SZCrHJ8B8ll4_koItuKL6NRy67ppaWFHKAF9ZSnViJE.WU27fQcX80n2dh32lvMt2Pee8LItid8h5AkaVb3sni4lTBg.MRJwOQjzJ5cfEMeJrIk.r6JSi9YGAnuzNCQvvNkUuNnHVoAWB2pPak_ZxVc2sdvT_1dxHY8uTU5dy7qqmtC__PV2XGxL7pqA7xJXJde_sRV3zezr4WhvlHrs0D45Uy8krcDp0iq2VoAZuMxPCMD8I.LgGeMBq945OnwENqyvpRN2e_xqtNTJmOc7v724DjjsVomFbBVyVsqvBJZA4Ah7ufg9HUkAuYgLweCmJx9PebQcQbgacB76zZVA6gY_qsDgIaf0yMcn_fSfkoJ4sfDaSwWxP7E7GW6_EdtZHsF_WGg4hzAoXCedIAAgq5jWIzR_zzaVcm7IimE48yOPfIAp9p5Z2yLhxdxC0weGAs5ES_u6a5_MjyHP2x1lEKYKMhABjnT1onlc38LwSURMUxlqFzluxcrewaV8lzhvcpCff47hqQbWXwelO1CZtos5HEp_hIPdJSwM9lLybU3UEFQEVXgi.5AF40LsjkqcVU6vSgyYMpTymig_Ss.Se_HqyrOJyIoCOLkFkQ7omu3vxixAe77t39x2DQxAr40UKUtEHgutVJIwLVAsoj6Ks.g8gudK4V5ge0olFB1LU0K6RMd6kphEEFXq5h4GPT1T2BAlYDEpLmtcU.ec1yVS4c3bvoWbaN0Rt76mqPFOtQf2qPb9K.q7IDPeWh8u0sgNUdUkUkXYFvuQNwKNRvIxjehGAEHdgwNVO_w3_J.E72us.UTOVPDEaLp6z.Y8TnmGiT0qJh51uc3TIzVk28KecQM.QSJZMD.StsHu075e4uilfzy5Hf19tPJvResfhpsUmZqZpZ1PNPlRe10uCeGRJV3dCsK4i_eKJzIfmPfK5ZvuZr6rE6lK9K30qrHz42SmmS_Y3e_SRqeiUL6WdNWS7uETsxthViv6oI4fD_1LKZqQuQN_Nwfk.NHjFh6gJzJQDV0CcU7We26J7oVuhreWdJeBSgiHaqTDdSt7ir50gdXXYKkPZ_H5GirEr_B.m3AYgvt.i.9wo5xO6uJ0Xo4DCKIP0RG41Eztt61BZG2D1k01RZmLLBSPRpHAB5cTJ0h0MMEnyoLXB3ysRXOJ5jDky8hDuEemja7WkewJZDAbsW61uFHkIvK8xq5wpyeMBrsefqaOVthRncKY9DiE7.tQ1OKfUKqcTvSBrLOye3v6oX7Q2gN3l6p5wsethK54Q0fDixqYTVSn3IkSgaGDVdRyiWGdp2cNnTAH5elD6IjRPvk_CJ6NnYWIC9N_7A.c_8k1Kckjdca6x0OAG_izEpNdKu8sY9jLvYhOXBNmXwbeiaMwxu2v01cdX.mYnAXSN2myn_mGc1bGwEdeTQldUTVQ54Mi9DL97nmPLe1XPSdWn2.VoHiPKlEToMnFRo64Urf7Mf3KaXKF52TL85cOIveihusq3OPZktQT4b.jqDnxD89NROwFzCTV0iQrpdYbFYUf6tHhjHhvwv8Zj5qIkucbkW6gxg9IM6VwMji8K1RwEUH367o",mdrd: "gOjDYLdrbgJ1BrwHPtXj02A3Ccwcq3SSRyoef8rrCVc-1739131408-1.2.1.1-FxV295W_AYiZkU1iPQlfQAyO9122tUsA3_zGxLPJtqSgabm92RFuhNXopsZQENWlmcktjH3t7Jv0TgUHt6pW.qQmBi8vYVn7UHfkHzpcKOkR4X8W5sFRSVidg27QPqBOv1SjzA8952iAbRT9YmRk4IC16HvI3lu6Y86ndgkkBegRvxvj80ZOvJzlvuw5xzvt9Vc5JrlC3XYE1WN1r8Oo08mubstNPYrPmT1hQ_ohabsIm48Mn2QwIM6_m40taDe6IvkKCsX4kjMMYSG97CS7IqO3NQJ70A3fFvtpqYtNtcIsOMk.EBlsPcOCHQ6b0tEFTf0K78wdTzxd9cMa4tEqSawWDku7bW4zGAt3yzN6OS.Ucoe3Bnup7.5Smijwwqf8uonmPE6eV.zXkSkZp1sV8k6oVD40zLhS0XUrioVoLl_MwyFRIDAMtas1LEhhEdfJqUm.HykFsMqqVzplh8whSH8Gnx0txZTN0sgQpaFaxQAhnpdB1kXzzTb3A8gxuDV7wV0X8lge8R35L8IFPPxCLp6RQUqlntqLHKVq4jysYFQrri5hnO6KaTEM30hXOaAQWfBYQyc1zKST3k95QSpakOD0xN6IUICn..ehpVFrstEaEsGFUZ0xlgyPEJF19GVMtK9KdeRoiihtDbU2oYI4yRFGjh.XB5b7dyua26ozM9pWhTMNJoBLH31RoN6tzsN.fPtpCA9HagmVxbomiK6qC4vvOcaL8ODiRKtsZQyMzq5E90XJAErGvcvkYx0lh1MyTBn.szzhg4wTuNLgA9z7YJG_Gt6WnPcYpQOcOItowaU3hcGynqsRvZnrmL54Bl3fCxBW2llELwF64K.ueI7odFA9D1ReZa.0sTaw5tpDVDUUMAyGv7L2e_Oq6f70grMqhTpmLOQwXJLrfIWMbpVpS2F0YHRyWFfo9KqVL04fyz4B3hRuSZsR.w5zi1mEzvWCpf7lK9L2q4DUttiAhfd1xdbJIFOs1PHupJB.yIzotD7aUAQeYozljOxHV_8hDb3JeXpIyXzswQZXMRevwf4FQMaV9.0_f1_orGJ_Ejks6eN51K8ZQzsD0n1cjSw.FjdHHSRMtxrHhs45HyoWerkOSMd92viSnz1Dx6pXdws2h3br1FH06.sNkWOwsUgMOw3L5JmTjvXdgtMZF7SxK9bjzoeHcSK5gEVo9Xju5JB1C0YhsIABofx_6ZZuWMhMlbGSyWjDAQl_muQt6J6UBpmocZ_Z9Cw.jiJs0h7rreHOvVwH1zExod9k38wfVLMFr5CJZjMYGXC2zPXgdC97iR9x8T8wNSQaAj4TaJuHkAQk_LFLYmTwY79TTttzvnsXl7MJdJrb_A.COolZkzTVoY2nrjz6khQ8oVfvqulJdIJSY68IEX9cyLdTSLhQVxnWgPPQLQj9ed.yDAwkikn7eIaEO74PkIdJusfyeCntowvyeCxoUKScMvG5t2HXZds.Glb7YahAwb6VKNQ.gdlJIP6VpCxLfMwG2zYTIEOoueXm_kXqMGI1dKIMj5LrCRZ61l4JFMdAT6r6t0EjZfRqNDy5YyHKViGuf.5oN2F8UV2cZ6WWiPiss.A4rxTsZIOKPzjqIPHXUdzFUgTIrtHhaGa.Yi.DjYk0Knukfk39QvudycFEz.hKFZNgKwt_wJoDPqNTEJKOn5FuIO8Yr2PFqdfNYBZMoTM7XWzG7rMd7N9dnSLtPxuLu8y4EU6NtLXtJpKEHgqBRLYVAqVmXKHQb2iqwkjchQTrQUMT.VIgeWJ7l7YnoGhho8I3eDUs2V8TNZci.0Y0El6KY0kbZwj3f8tasGs3shA_ePLgUaDpL6Ab9Ks"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f676853d4f585a';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\/0456381792?__cf_chl_rt_tk=tGeesGo0p0eEJ2XsFX711s22VUrgnuqgHWcOvbtxKz8-1739131408-1.0.1.1-E40hkEEopPQdPMMGC1q.thySWZfAvyeyZ2xgcR1mFQc" + 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