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-affos97oo.mit-edu.top/post/0639451872

  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-affos97oo.mit-edu.top",cType: 'managed',cRay: '90f74ad13b1887a1',cH: 'YOFfcx3VPqtwfHd03kipYpLdermNSpAIcuMu5w0Y.xY-1739140103-1.2.1.1-ZOULLmy9yKfEVM2qylXSTgVn2.hyunvVPgNakMCB1qs6Ti3JKnta027yne76t2q6',cUPMDTk: "\/post\/0639451872?__cf_chl_tk=9dpNu.vNgK6c..vOy8DuAcbnACDK3x0Kor5AqRm1wH4-1739140103-1.0.1.1-fX79VnJ.kRJJS_knAckf11SnNGN9ZXXyr7DoOQANDFk",cFPWv: 'g',cITimeS: '1739140103',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0639451872?__cf_chl_f_tk=9dpNu.vNgK6c..vOy8DuAcbnACDK3x0Kor5AqRm1wH4-1739140103-1.0.1.1-fX79VnJ.kRJJS_knAckf11SnNGN9ZXXyr7DoOQANDFk",md: "QK3RE_1JNuVoPcFDANYjOFPmuOEQbT9lagAM0k_az20-1739140103-1.2.1.1-fFzLuz8pI9IvGndWOhFwsAlDFhKoWJINv3sg1W4ix6sZ4W9ikh3EeUJCke6p.qrNH2NzehQm9_di57kRWUGv8KjpYnAZdkoHFFkkmUHe3k7zeOfMsZaC1EjS7hT.lqM52YJ6o4MXWQTiQaVDBT8cREAbXVqVwjkcIUnfRw1y2eD8yACOmK9p3yQXPttUBRCxXYc9xdDMgaMJETSVES1H25QjGuB1LufOWlVUQ5Bg59vp9pPfefLRIcTnbPz4d2elZq0OoRw5t_zkr5DECgWywGWNWIISQvKSgxZ1cRm9xOrK6JD83k.ZHT5Pbpkr_cHcQh8gLebxp0D.ADWjLTSK8MYhG349MnFjoxYRMW.TYlH6OxZUqhbSjQxgNrmueAUpD04jixKhW9XOt4fPtlVg8KwKU2NAfXzL1GFg6dxCgIGKlOetzvdmyPsfj5cIkp0m0b8WhGfVbtRDJ7LzAt.l8iE8tAmV2.LbNZ6sFXrvyKwv6_PVqE1YDFiowitT96w7rXo1PMlxidTwDo8mFHrbr42X6I5KJ1_qrchpqVY9qRZj1JLuBn0Sww6k0Mq86T4eJK2ufx7UZxZ5wdPi4vt4esppjTcmH2bXIKuwBjbRpprjXeKP7ETDfzaNCUkLzlXgeIuEbn2d8kDJy3HDxMdWQ8Zlph00PuyHKPqHUOUpFobaxRuMn71fS6EzHl.lQNGpiv1A846t7nHY5M7MF81cLRAPjWOywEFL622HCgAJuTx.dzygbYkDVkL1pCRVjKSFGHC91nIF2wtwS__tXMOp1PsyZdLVf0lR.ehE664.kt7qQ2rl5i9ERW2Kbb2DqLMv_rbOmExP.2DMLjyumAM.GEwkmdlP4NvnOz19uVhWXBpimn_YR2R7pN8nN3me_IIJK.ePN5jnnnOdlNUT5.F63OLBrBbuM17EnNvDsUogulrbkqbNaNl3XQUTt5FEqmMsNb.4K1p3NtFYUDJtFBiZH8NUs2no8IOsFthuGywf8JumPoLZ0ox7KKLtWmKvJ2Nx3dWJAbkbr6PU33VAKTlUMqvcqn5Ikup7IQ6B0PHMgLwxjjx174iVdnU6BK_VK2DaZv9xLarWE6.2T7PXxLX8n0KF1Hif7.E1OxByPBM1Jv1ji9xm3BUfdP2wdukRLe_Vp47AOkCXEm3q.6qhPc8eRN6oxZyfEgvjAFAiblzpp991VchlXwJe.akENDmYd9UcadEsHJ8qhi3kFgPYtVt09VwrzHhwwiX1EqN1oUZiz.7yA.NWWhuUm8unqaK_YoNEdkxkqmTCgQYlmrohPRlECPyvqDJfT_bCpBM0z9hVishzppSaLjcXLhbW29s1_yjxxojoU6Rv3Fxz6COxUg8oVBL9JtFE21yuVNZ_Y8TcTZUH7PUwkvgdJi0iV9lAvjZzPr5Ch9Jwg8tlPerCnQXGTGeDo8oW24msiTpi6w70oyBL_gG3KAxmaZeE8dn1rQv0V1tzAU1nzMxd6GD98XNTeH4iq4VH7EHpIcDG_MHZVotoLpOtiyU..tQdvRP9jcOT4CoOpokKVmqMrUGdLApiwiAVUjuA4FhNppquT2GmXEAKyqgEWIe9Ooe81EAE_csBz6Qvucsv1aeQ0EhKV5RSxRo.mAjP4CGx4gPmcViLI7t_YJLRZqGUUxPdxj9ZI9xhU6z7LjZg_IwiQZIU.F4Z5IJIPourkJhpfhzOMeSLn00W0yNXq.LXA0A7KbIN4nFzPswHjZefE1NFZYVkDaVgSwn7wEoFMHWlo43fxX94RUyqxx8TkrA1gIyaRWsYX78cbqspcINstjxF9Fam7Bd.dF9dU6gkq_q6pU33vyg95dEP0idwBWHKWd26XWRCkr5gi8xQLP5eMHHpkmH7yjtuEhXYz5Ljgla34uIzJmO2YOmzOwCEaJBQhKTNjmH81GUt9DQZ5ZtRVQWEaEYgIcOZe9cHk0us.uep0RcFMmQ.Ab9MAGCt77ksiIwefse18raNNx4IPTn16ggqF7VJzscXKsYh6p0W.nQoavJtXpBafPMK8atJgIoLWqrZw2ZMxlzU9bhpscT3hp9io.jd1NCj9ZVnAiSR25un8YRHgasW3buSyv70g2jwLKHwAiGk43e_TetrB1r_hRpleWYZzMe3v9KNL7r3uCO0MhRu4qapYZan4WOr41lLchAIRv7WweaZuT8e5Aac83lM3u2NI6JJ3bw6XjmpUxxtDxADT_s7HyEt25JaN1H.k9YlsMT_SQER",mdrd: "aGDJ5HcBUwRD4iXJ2A2NQXH8eMy2J7s97z8JRtaG0rA-1739140103-1.2.1.1-dF8vmCJwisdoK2I9AO4SUz.qQwTdTTBDK3p3tk7CGwQkNTI2NXEt0SiHwxyyquseAqjasqyRvD.sSdhTha84.6uGxORmjWT8XYhD9adCrTeEU0_bgC6Hub_zbImsHB1uLB2d6rPFujwaiOGVdViDXiJlzz.QytObgGgEpK9hgI4g9IWilIsxq.47iJv0ztvJpuCU6uXlSkUSP40XAlxUe8f_QagKKPfMqqN6exsVCv462ZBkua8X0I9Nk38ZvjAAcYLhQwKdXDASQcIpPjZ2kJg8w34mziD0GHL6D2INzjYNX5JfYW.Dh9wMCcVBs.BWgw_SpNpVDNzdcgJDI0rdHFsSIGICSlSkxGy9.jA_Al95OhCcfZkcoDkNT5RfoYEhhn7IKEeO88BK2uFhdx._MgiGeugwjCAZtajaIfSFouMhcOzvxr7qWmAKnIT8prmm2kinWsEZbzanWhVN4_HnUyYLkQSu0KRBoNG7qpMvZdKsiJw2caDFHQQpumOaKz_dfXiXtNfboEsyE0yQqdPRY.FkMHLtXHEaM2FuncBQsYVdHBu258uQcU7qWGVg7fIOaEcSlq1XJTo4Fc5YyYWX_veS57kacuOQ_5JylLisk3hH_MlUylSv7vZfOtxtKyKHa28AhgOjRZEUVQ7tuuEcfxQnr2tZPL78wzCkVskkgb4BtCqY.TeCf.tm1R1Xcldl4IEh3uMnOVL1rXNm0JBU277NeoScYvPt3qmbyOyc6MnTaaUSigTktlKULZjVy9NiIuekngZggZVNdouvufqXrBXAcVJNTA.jkUfKL_nFhk4.Ihat6jRZW.NFFsHwwIPB3xdnuI7WeSzKaycC15wchcwyceJBhwZSFvjGBV6HszIWGQ4iVr9nsVJLOr9Qh4fuwhtiRGLB6vmQbdOJZjY6EojIm86R89s6w9bCwGoqhM_g0jxfYrtM_me5Lv6mRaluXlUVUtxsMUGsLJdkcOLwI4lGQBL8lfjlM7DIbOLtqVxNm8m5H6aNWXetuC2egyKeKj2OuGY1N1Q6h9BDLCixi1BjqdIs2PlzDhGKOtkiqyW3zge4bFxXZQClyCFXUqdoDqx_WaAkz_65BsgcvPGnX1jv7QLdgKxp6mog_HsGjF.IfJyscFXuywe6GTynLNde90r7z2aJrhrGfBJfUlQPZvPIwxmm_2ogcpKrI78.Yce8_e7iWL4N4toLXcfUWvF5_y4DzMkCZncttoeLfKUbNw9QxQicSnB6Ds0a99KMUBF5gmpM5PSOgNSLckFBUqHAkbI__0LGUsCQneVENKxr1Yk_eVnERQMczmg6w7ZmIeasT6jVQaZJ9QjbkcGaJEemkg2jHcEcyQYcNWQ2NqRor6Cnt8L2deMtpCcs5EzSAjrurwY7C0i4d2hZfFdZ8wPqWhilsFYCxxgheK1TkOnWj3u4ctUmiQTPYt_gavHC7j87N6sjUdlmXG.AsLUnybH3VAoUvBRpb.1uOseNrTKy39nQ_KGSC0zPN.lHlDpHYUyWufFcaskZjiP7_pdRErQZZf4dKUowhQTCVPERtxREHFempNhCETrSzqqQRKSoLUsP1xP5C0kzoFAGpeIg7poniHARcNaMg3Dwu_Jv8gEA83dq_v4sMXuqerSY9Ru5dZ7QVhPfTsjV6e6g1gZQivhVDcFEdqku8wEbWywOGsh89rbnwgmM8p9wcyocJDHJdxmhHGIpuJf4xTJTyISB1.HgF4pMrmABSaxMUvQy48M5TTGUVQHBG8T6IKu5IXyf06QPa02Y3X0ZNn27fuIJphW9FKkt5JJcXzhDHWp2bf.9V0PT2Ihctm5CrDH6T9qKjK4"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f74ad13b1887a1';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\/0639451872?__cf_chl_rt_tk=9dpNu.vNgK6c..vOy8DuAcbnACDK3x0Kor5AqRm1wH4-1739140103-1.0.1.1-fX79VnJ.kRJJS_knAckf11SnNGN9ZXXyr7DoOQANDFk" + 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