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-affwr7rtp.mit-edu.top/post/6785312940

  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-affwr7rtp.mit-edu.top",cType: 'managed',cRay: '90f6acbea9cad6f1',cH: 'Q0N89QVB5Q8CluVYMxsxAcn3saZxO9uSTIi3n2RCNRU-1739133629-1.2.1.1-B2K.xdQYKmuxIo1aTcyXya6HnIVJRa3MAxGcMPTb5nfTqg5Lv6u_x2tKQ5gAccoH',cUPMDTk: "\/post\/6785312940?__cf_chl_tk=ZbH.rdmjQBeLWoiOdDU6eoTM9NyxOMiA1TGl9XXY1rY-1739133629-1.0.1.1-WljZuR5cx.wgPoJSfWVJ0fwZiVBZahWC.u7UnYSb27E",cFPWv: 'g',cITimeS: '1739133629',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6785312940?__cf_chl_f_tk=ZbH.rdmjQBeLWoiOdDU6eoTM9NyxOMiA1TGl9XXY1rY-1739133629-1.0.1.1-WljZuR5cx.wgPoJSfWVJ0fwZiVBZahWC.u7UnYSb27E",md: "DhDX6c4AQVCnAXPZ14cKbU3vr1VPLA8V458uMgcPAGI-1739133629-1.2.1.1-T9oXVe1XlYNfTbHSYOJF6E6zYOvvynEP3cymavTkRi3jNwadh3AJ_PGyPgVtk98.OvqUL6Ymo6ZPPqdkurrV3.Gac9aubJD40CFoWZ9H6XBEvTccm3xWOdpDbEBZi_R9ppdO88NXQfVuPHCv7jqQdKfX7k8NxtH5zveTOAk.uUjxPJnFzWgZhWRer6twuo7EspPiSsF3Wm4OmizGQ8PCBG.lWWH2mHXo0.AynoxaS1saeeNnGI.ppqyWYzvAx0DNOas9YakTEFkJFi7YtlGszto0hMjmLm7ctXHB8fFn2i1ppNYFKw2GwmzS3lVNfOldVXOPLU4DyI.wGkHfKAR5Nn2.Fj9tm_p6wnsrbddYs1k92syDcnWWPyjxnUXcaltFAa1mjDGwZ6eTNsjtWW5zMix1Cunk.5JQtKeELFhmRyJVRWTkdyFjlDcA_6n2xCEPN_yKWk6UqwIoeFChKd0hB6x8XCdPh6d_ayoWzWuA0.EtLhzFPBOrdL895AfNZ.6YbodYRJ0kdoyJrqm5Cta7ri.yUCZGiQC6dfnNes96NMlI_xH56e5GDwd9ERn8unT6GLxnMVVfLlF0PizEVXHaPyfVECRmMTWCHHVkyaF2umPauq8En8Vvki8wIKNY728DrxwRDo7H.v4cB98xzyIzaBK5Z1v7QgDb3Ym9EH3DNXEZohAY_dmAblzbZTmLOcoQmk5lTYy7t86hQD6bqo9O5YYKkNxqCru7.x0zQyQWfxyTfyxjbf_UYPXBlU4NsMzuL.C.YuSl5HpbYvSVMM3GZJbV9M5hN4RPSKPlIyqRioRmZvhB.yEVrHG4xs5ij3gJPWygVJ4VcbycIpJd8la24tOfXHQDljFzpwYeY8PrwAf7vEeYMvThDQR64uwCX6mGvOIr2MJZzPSKUhU9JiPvKaPQ4l4PDzBIDWut3uStbRq.PA9hWDONBaYEgqLdXa7PJ6tcktSWdf21J1G4cf75P85wzy55q0q9XbOjshEaK3Y0X8HNJ2xn27MSPxWbz3tnFzke4khsjRcM3sZKtl25cpD8LFSBwGPXZj1Vj2hwbviYY3wCTze8vZA2s665XgQmSxP4Qdkdw88PfigQVZ8Fdbfo8BAVA8Anxc15BRYdDwopj83EYI8_g4NjPYmrJviWl2dFf5hP7PigxOn2sg6SkId9IGvAYqVEHkI_yOfZWbXLV..uk6iG9n77yMQ1_dGm34fblFldo_EKuuP3f7itwRekGy3hGthYpG25rlSY0sjPxdmulOFUfP.6QPhTr8ffhLZ0RADAl_qHLhYM4qc_AeenAHOCw2HvInHJ4D4MH544PI0u9UeHTXfetI8BzZY4tsowfihyVdf..FfCaD9_ibimAc2xj0CExxONvgDszbDqVk_rrH6BgPiPXlmyGMi3yX3wpZaTGybIgvzw0jtQeJNx1ATPPV6ogvo.Wtoa_OqkymLCCYmhipT7gzUOy49FV61Q7umBrcDUrzR10MtzlXYRJyW4VAK5oPyapzv7G3ecq8vKIbTnYdwhCxxQbFEEv1EmVRzWIb3liaYSlZ7Rup.nzBo5lTPOnlQQQicxlaebQCGRwqFw5ERvKOX6VSXotpWTxqG8StbkjbxXqd4oHYJdir9YBCGMBf6OThjDdKy03RQ6.f2g7HA1z6HKg4AzXr4NuHlne_2.giXfb7lk2e4h_G2Gc2gsQNnEZjywodz3wuwhvEHy6_O35C23aRiONXTXxVhrjqH7gUzf.THhgbNhpKvugrfDsQoVuFz7sfvJ0btZYlXeCFg9Bc.BChtnhKTd1VS0U1LiRqcHJUjLDnqOJDUu_LGB8SH14pUyeqX4RglJ_m6d5Ji8P3Eh_ZnzxqXJXqOizEZsGHtTJTTeQ6fGFWXBUD4pVj9bd7H8ntopvXuremH4qjeVJz_Q5mcxc_HhJOKXvqhVG3aOCVB2wwN_6ZiGTbWsSSuWGzaI7SSkvDhJM6OCUliQaY9BImaqZwioYhhNGElKQ8m6tuWIVHccv5HPeon4zmfmZiY3ZCTg4x8v6ANEPKoJf2ow.ipCh2kRWHM0yCVlARLCdNUzmK4NfHNvwOdkjukqFlylT2AEHrpNayQi4jUcdD3n0O_VQCiNxjoQxg0wMLAYmni7hNMkKTDcGiRKCHRFqW7HNwUK2hwIK9AaSCSQAzwKVm9IJvsfW3E9Tzs95d7vMUKEOfyZt8w5a0_Wz.H32JqcfZuz7DvfMUw1yTPQxX5vjCUq",mdrd: "n3h3GYIivS3RZ_1bxGyfIyEyxHzT3P.xYEc76.0SUsw-1739133629-1.2.1.1-2fA3L.A_KcOzrqgAOA4VN.iQ4MeMvlWpuvt4wT.tOdV7OpJA71yvCZrQ6U90_jyo_43c4vGi49Y3Snczy0JKvwj2wFlgXUhUBPfKy7AQlB4Wuou.ObL8RGSvD6CK1z0_.Y2dzayMCTX2NHtSyj1gfiNlF5jc26gDwhpWQIOs5yISlWYkBcoOYZ1nGgmqTk.gy0hGjqEjeIDUrc7.H5YufNQemiJaD0qAZ2fh32lF95t0_qi_mgiWZLVFtoL30R6hhhDhUE9kais8YCFNxc78i2TwMg_29EZSij5I0CnHJfWTEtVQvbAicAQFkwkXxOcd1vNFxquFhySPA1pP_G7XosXvvbokZbmx99TQ7SfiMXjkuBfMyS2r7_VUj2CzzsZCzJtRoSTT7YWV9PlDzFH.y550l_OtxaQPfu4Kusup02P9nXQaFnQphUTzuaL.p7XdVmKFNQ8iR29yQOSP.XKBKgjRpiFRa6DBGFN3Z8NvwC71yK3o63DrNVBQJevI.dIbiPomx6PedOzEVEKkveO_L.eK07sCNUcNj4AYmV2PZ4K_sCZm023UEe0OtjGMMz5bNAvXQyI5oGBRQz5yI7aAU5dSFBLnLq88hzoU5m7JtI6FeGYsJkD1wBTNZ3tW3eIf24paHQ5e.KXyw2NlVJXVPsRf5vn95tc6RuU80BuTe8e9DWhGmIz.rUOzyT1RX3_VHvqLwffGqh6fj2KUjuBr7TyyGdwGVzdloc4nGsufE_MVgF31PxJcDMpervq7rRMeT05iMqNA4I.uNQUn3uHm63o2x3iCHsqFWVuJNh78GanVuDhWrs.BB2MtGI8wDS_CpbgkCAt.smCO_6ogjlyDKvCogaqtRZPHqZaKO.JeTq4gHnGBAZinW8nicKvwBn_XR.fk0tO1uXgj.4NwaYf75BzxdoM9d80rYyX1l63URbgWH_DoZb7XdAVsvBBeUQCmBjXXgeS8Y0l1uVKT7VVI4II1zfB28eynJ01OlUA5GCZGQ.OjOJHAou2tL0K4VtXFsOPAWn1_kwVgLQP9a55T_DQ418L1uBAdyZbzPIhHW_aV3GnzIKc2yTCH01HTXfCRSroO0JnhTPu0ekB1baB30ps8Pq_YQf52NNdxr0hJXKXtKvyakzcjAJ_elX5ov8Rb7wVBhFJamIt.s4DX3bnoBeXdRbKX_cDFnBLPwRjIf6LbIyP9xoCZnHbqiLMB9DAyRX_g8WdM0HQOfKoHYR.UGAvl2112htaKAZWB4B9Gpb4YEfZY15cwdXl4A8chlTIgnN5LLBqDTT5PcRJkP9DLzsfrHk1QlgMoMu2sJ9A1i.znuHV18Jwe03pXbi5QaWZA9bRV1PNg1H3y6oM2p4NM4X1RC10a6qr9dkCuEC4dWyhlIn4.G2GFCTgbgkBlTprhPwGay.Zu8CRvmBnzFnqBvi_ykdy4TNMraP2IBu6c8PQRNbUCfjunm6br.K0wql6aB18eJXa1Xqzc83Hd6u7Jr_XqnK3v8l_5ggCDvSxXuA5cwMvNQwKf3HUc4Jz8A7Lbh_1VAVZ2u47LpuFnBVORW4qkKUVnuRjUu6ElOYFTkJrH_k8B0Z8kaXh.gyo.uHc6xMAJnRgJGhl5pOxTj13Jy7Gjp2_o5FhjrM.ciqP5srtowBzhIsIoZGAkDl3hJAHkMvjA3UrT.kND7laQY56ZbUBLtGWSMMCvcKSSaWdrOj.V7PXsFpnV8Rsy1NrL.yfPaoixILwdYxVUSBINGI8euMRoFygikujoTOzqo9oks2nju3BKJUU7RIYq7GKEdw5goIPDoBBnzSUFF2rJQgJAxA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f6acbea9cad6f1';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\/6785312940?__cf_chl_rt_tk=ZbH.rdmjQBeLWoiOdDU6eoTM9NyxOMiA1TGl9XXY1rY-1739133629-1.0.1.1-WljZuR5cx.wgPoJSfWVJ0fwZiVBZahWC.u7UnYSb27E" + 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