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-aff6o06tq.mit-edu.top/post/1249753806

  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-aff6o06tq.mit-edu.top",cType: 'managed',cRay: '911059c81a09c99b',cH: '2RGuXShRNCb1PBE3gL8nlMAadK2.960oySAz_bbl_Ms-1739402860-1.2.1.1-lSQ05RtNHMYwQPLwwcfi_Rx3nQnDtqnSucYiZTXaWGfAxJKckj4qtFVXEGezucsp',cUPMDTk: "\/post\/1249753806?__cf_chl_tk=d05wm2dzDGpGLMHDnO0o.pbFfCwS3Nyj9QtIM20s4fA-1739402860-1.0.1.1-uY9MfVz_Qnq7hSz1Qd2pZoFDnhKGyEnC6dGZelqWelA",cFPWv: 'b',cITimeS: '1739402860',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1249753806?__cf_chl_f_tk=d05wm2dzDGpGLMHDnO0o.pbFfCwS3Nyj9QtIM20s4fA-1739402860-1.0.1.1-uY9MfVz_Qnq7hSz1Qd2pZoFDnhKGyEnC6dGZelqWelA",md: "7qFtG0LEv1Kh8fzydjVz8nzMTGDXx1jWVptcgi..h94-1739402860-1.2.1.1-CcwfpG6IjVpLSdndTmCOp2BJ3O8ORVQL9atNyJinbr8Vuq7h0fAf6x90aRFonQ8bAPdRL9ViPxsBUkJ8xXboLkOGLNn3YWhOcbW7F2.D1ePb1rxcssEVa2X6tYltgaQCqrqiz9ZPCU46qvorWu1wBdpp8vHfThGMsPqyJ8GToUQguqSj87rApGPF_dfrnnEQINVDdpfrYaNXcY3RuNbJmH3_PHmPrh0Fdt4wlHy.i6IcJgiA1eNSuQjQAus7vM6D.UMqtwSFhNk1nT17ENLJlrc_X0dtUbReGEHBvxB7mms0aKLwy7RmJMYb60wRRJkR2JefMKyGV5UnVL5HH2X1UFi5PusZ6kN4s0xXx40U8xst.xmt0xdOFs0PAMqeY1WUSox.sL21wmmRrKTgOJatjFCgYTaVvYxCelAnKH4gIE3gDRFkySYlYeMukKiOpLHhsiXM1BYB9g.4HQySw.V0k33o6V0UFjWN8sKs1fRSnb3GI6HETQyrbF7Se7ooyQPI0EWMj..bjsUlYzDQeB8OFfb8JtGZJCByjkt.SvKN.GGss.bnnwvSacllesLiYlpRhHetcOXo5n02sv6UdPF.vk4mhEl1XKouWD_zVfAmlOOOL0rKZQbcgR4GGHMSdBLUKRZalNSoGn8QrnhYhLqjXxX_LuY0tmIZjA91TzANwbI1EpzeHFXodkLS_KNg71py4igwYiJLFF7Lb8hqj17YC3NQ4ZFW0GKK5Od0DSQgfCRHipYDxG0AUARtqLIDIYYVBFZMgvNBaOpyI8SDZmqbyTtZ2DglplWhDMPapdWq.YhzNRvTrGEPC.bkOhol.gGfNyQuh3KzhD77zdXwJvqOE3s2W8cFp45sIPB2ZF29nOnYdnhhPlLdimwwcKkd5fHPAeWvVR2kTwSDVk.KG9MIZOMEFSjbgD6iBW68gmXS7NZA18uVELJ5VNaYxfXwWbcg44Ym8JhJ7.LD0TkjpcChqfTPu2azA0AZ1.yZSZRqaSyDSxulBlhdEzrLBgH4I28HW7i6I0WPFiB9uuB2I2TLNpkKEQww0Py6CfFoPc1y8hGxLfFEUbo43uQFnU1Y8o5ROfywC_8azl.rnwDaVbouib8buSnXXgWzw.EKhKBVWChEBG39E7PnoAzvcw8zA6sxmnSHQgKjCJJlkBUWQYXhe4.N6yZKl2oXO9smMFv9Z4NO.275nURbVokF1nOkeunpNOm8EXhMe6rtV2XMLkfPHg7EECkD_P88Ifew5yzCx11pxSbmQeu7CywBwqcpH6Jn1bwalHsl7BxgIGKA8KerVOsjbNtT.jdFnlVQW5v1W1zlUoaW3tRqbpSeSLRLort.kXjNL6qd_T2g7ZwiKBUjS2885YZEnqJEhaexENNjc_vw73qDYk2MIwiB3s94ABeG0xjarjHFEFo0edVvt24cfh6bkk7INNuaX1tOtICiYxWqW8MhuRFUsU8h6BM0nDfiZW1QCoBUGpzMyNP0FcF2gxRvUieOL1nLL09MODSCGQhqsFFF9NZty1Fu3VROFi5iU8jJM20ivtTJsT_1wI.XeTDdzxW_h0orI8.MJ_t3p.S4UBRJ02O3X6prOrTNgLLMMHkKumrypcK1Hd5vCGN6FhjAnfTjZdfVhnhLy8uU17UD8Cg4jd3JCMnUL_xRvGZub0IKt5ACOhPJ8udiZwKdnU9gcrym1LX.WHa88jXcKswO3APBjN4lpc9VPvrHmzRGqyXeOKmgmjYe7_h.2uBHkpqwVcYMKCZat721b8M3U_yJuV06BSlDv4X_YnFwMXzimq7e1.vFlFz_sKVQFdiGadOvrBVPivadgeFhUji7KIuZMnSog16fZ195ChQYt9wmSaPJXGH_QzufUfY923ZXJszD1ba.W73vkcQjH6p4tnoanUWiwp2iduEZ37YECqZhBH3ZYtTInD6IVE3n7UX9tIaYYvr97BW9ybslkwMj0xFXHQD9jEaGG7UqpczyVjZfRqPZyjm3q4LSy3yfdmNVXo0SVo7UlRYWOUhaiBMPC7pqV.FZhXGt2S6bTtS82RoLfFlxNPaEmBhRm7DDEISnpCsrH9wp7DHRKobjxxCT_1lcQyl06FWV6xcVFgObtu3SaiV2Bb7RgBGeKiUTcEYWPspqoaeOLrfHOiILvgNBY.UK.iOKzmmOdgRZjbd5MEcov.oP7TQ3xczTsfpYLRjniBH5QrgmPPM9cU8S5IsNXtOCrVtVUVyB6fMVgyZs.MCH",mdrd: "s3.nFuCSJsm1UT8G1bq84xNL4fJsbss5mPAR0Vh1MrI-1739402860-1.2.1.1-aYXaqqQq02sf9Dw9bgYXq_zKWPfodq50xvk8Sgd4ZaIOF7SbnVz79mrdaSLu5ih6WrmCPqOE1Hdj5Osy1fpq_._t76rWmCchj8.UhHR4wsHhH5qWXxUKN9z1NQKa8GNUOwCBrjmGTFJQWG_93MMhSU2fG5ZQt_mAQwd7VvkwodXee1SLzIekzur_tpddfUbAuQfcC6pl6cd5jEvR41Q1VnYMojfF8sJonbnBM2EEjjwQS.u7MncWPTE1Cm1pJgve3LHnKpfSciGpyn2dnqsws0OvCo7kAvxkq1zYom3vlVrSVvxajEv7Hteet8PWzIGHg8rbz6Obe1dfgDANfTkY5ioBjYRXIW.od89EyREySuX_sGPjC9Deqg_dw0jl_fn1W_9m_mOP5PV2M5E3Lldzk_7bpoKs_epU2aT4Aj1aKyunWlKc52tRLQuHB4Ku8i2unI8RDaM00bQ9KaZ_nBFxBKZhM_hdH_WoWcTCvMIYmJnOG3LxjzQvgFG1o.uVC8aK.v1We0aH4xaxGGaKutz5F9pm7KAkmzBC3plvtIBBZe4VK97eT0ZuITqG6VDIEbHz7urZgwy_JISJwHRGb_pf.AzhowNjhTY8EE1CZ2oUH5h2CD4hNDED75vlT.84gg7GTAfURm_UGeCUWUH8TBLL203mWa_NXXV6FDtsombJPHrIhK1rmXpqDaES5.Cw2PmCk7mHVPhLPX6k14AlpS6ZACw6LED0psCc944d4uIJq48umzA0WxK27CU00FU8hi7K3TLQlHOsgL6ER_f1rjdnfENZyj4.Pn2jS7MylHDtHPftv6XBfweAWs6ajrldtbH.vyBJnw0tpY017bzepNISHofYt9WIy92ID9eS18x0p9qDUHRrS6k3pSqKfnGvIKHOXe1TeTC2OnRjzVI.g18pl.ovIFsduJttnf3X4yO2USB8VUEonhI4KY8rP_GuduSJA.eTpzriqxZG.nQjdRuMKY5CpgpOIuFzbCRUQV3vpGl9_3DmMmuQK8WWPNDiUtXKYqrXOOwu1C7_xuAt7iLZGd0MYF4XpIBCrZgxPL9E2Wzc_icV5O2X_UbYetoL8BF7p2570S108q309UvQ0iTfE_BwYKJ1xXrTaDzEyju7NjB2AXiironU7uSpXt1A3hKym.ku7xEz4cvvu6SBO1ZWLU1l69rVlIQdkT8_V8o1lGsQi1Jwx2JMk0_PHEo50mB59Oe28as_ydEOXTSfkejGOloXFfIAzgzYRwYDksNHTK0roHbxWj_ZL_GMPUeSk0s6KEO2Hxa_DdjClwYgkXPGZD0AJpa79LyPWtnHHOHULr.oNO5wMGMlmF8Mw8D3qPJK3zLjwp7iMx2zNM8SDpOM_QoPwYeMoEF6aHObH0UXMasT5rejg4IWKWRr1FGp6BqN9ADzEXuRvRPhCqQ3a4_0NaE9P3KJaWg6YYtGC0z4kYb0QndItxMwc5kWrA_pm2hRazfLjePt9aI2c1cvsjzR64M0Oceg4Bh2XbTCQrB3Kw5BQ2uhnMgJHLlnsylv9JjNeT6hXSzdN91RyPhbw.bHC_P4cBMjMFTm.OZ.qkzxGUZz3Vksv77A_w.noRp.nTKX0pTOtQsOVlWJb4QrHzz6N9kYm2omepeM0MvxaBiCqwYrz4L1pv1WDkxJ9yOFnKcrOHyaUHcnR26CsQEZ8ldef9VGg04kuvFYziM1T8faeSPxdrdHqSVz4i34VzU1u4WUwYk3K9Dc6W9qNy8tbo91XSRasmyQyqRrmPQiYQFdNGAvpcD36AdE0xVwk3pt9qFdI8bfFdrjZ5ZL.B77KG5kBg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911059c81a09c99b';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\/1249753806?__cf_chl_rt_tk=d05wm2dzDGpGLMHDnO0o.pbFfCwS3Nyj9QtIM20s4fA-1739402860-1.0.1.1-uY9MfVz_Qnq7hSz1Qd2pZoFDnhKGyEnC6dGZelqWelA" + 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