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-611768629543.mit-edu.top/post/1259386740

  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-611768629543.mit-edu.top",cType: 'managed',cRay: '90f246727e63083e',cH: 'fEUOf7eljuYn9LlCAaC09ecsD4L50iOYIy8h21Ea6pc-1739087496-1.2.1.1-bxgJ8s9.LcsaboF1MLgZX2NLLeTe43uOM1Cc5Xs7TDf2NPpAL3OKjtz2.odFUiLj',cUPMDTk: "\/post\/1259386740?__cf_chl_tk=OX6yBm_AvQIucEhV1eJLkwxyTxLhKglLaTbnwgzdeK0-1739087496-1.0.1.1-vJDpf2x7RXWKAOx7sGmFwAnPQGqhWXVyuFcWcCTawi4",cFPWv: 'g',cITimeS: '1739087496',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1259386740?__cf_chl_f_tk=OX6yBm_AvQIucEhV1eJLkwxyTxLhKglLaTbnwgzdeK0-1739087496-1.0.1.1-vJDpf2x7RXWKAOx7sGmFwAnPQGqhWXVyuFcWcCTawi4",md: "O60JJk2xu279ax4LNFTBExcCcycoRKjh3OQczvWIp78-1739087496-1.2.1.1-t2j.b4Z4eDDieP4fnbqhLMGDO5GTfFFQQfJUdRX1NLVku_Kjf5wpCX4q0Vyn65gEqNGS0q9GBrGIO5yevm1zlU1OhfEOhM1jhStrB1y1jNNv8zJa6wn3QQq5yAJVmSuJmzzKtsJAHuA5dhJp4NP3cqfFfnw7LqfzqU8mMfNFJfw9LkOd1TjFCQal4jroibeKyor1EuxWtw_tmNkAn63yNQCY6Oi9zo3xZg5V.esFAhFAxsBMnIEDo0Ywa_INDnhuPk4Z0clqK.t531L9Y_luLovXC3jKdPVzn1hVI2rvE.zguLB9Gy4R75CmzCo.zSY5AO07DfhNQIVN2OYcage42nCS0sctn3.lI4ayyGGUYP1pWcQFhSpTOSfpclwLEOMxZq.NkIEn3M.vHWGE0BDnkLUsHeySZMhvBCMlCfp83JL5.9ng_IRM1t9DewKUpfj4pt6P1r5EzdgAQQqjU0KPfEzGP1RsY6C6Vby5hdxE11Y4imyBY3LJHHLURkYvtAeuw39NSntbz7_lv5uqKVgxAt8psd9ATuWVXKHRjkhviF0Fs9Ily17CLWxEhSmhW5edY7Sq9R0E1K1jC_Db4lVTthxiqcSX3QUAEVWwCBoW4VNTBnKml5M4ogkmft0CPOcMoXPwuXzuNokTz7VaGRyKyqXpuGbjtnaZxJEFXOfH0viK94y3yrqvA3zDv.KC9E5OdhatRGxz3vt.azpqMOrv0BnNKxUwquYEwUCyYtgi1rQLqr3kp8y9IlxWHaYPOkowXUUHYPU4bmeWftYHBvKXCCZ3KFTr8EqMWdEAoutD8feGNMJwE948iOAd.DwjBpOqxWkAw1TCxQADtcfQSQzDtdr3JpJU6aCUOjKejVqkc4Be3BCEYWWII6jb4xwiDuHh3.QwrQkbmK8LSutButO9SYeFZI_dSMJKWBF0ZGGG4ZynqFCDnRs3_Lhc2gw5nA8XYrMX7vGoW4pPxJsI9jiAqr3YVfqiLPvZvwDS.gUYxOcr68_ZzPYy.JFR0WNSVV1CWCc2n8P1cw2AePmGJF8tkkseOexsRSs9bU0tK1ZfZ_rjPEXaP3F673v6lQJdFCCO6FHxPZfVG.6GZaXos4FzvW_htCpSdJJ3SmgU_G_f5fcuLxkDmtkfaH8wLukHOlcnbphD.BzthYvpPK1jnK7cOymSjADaPKhybl5SRHCH0pxr.pLTaabG.6NtNlOI1V1ZsoZtETVckXsBH2jdS1me4rGDLlM4YrT2xJR9fMThJh6Ny2OyXN0yzIj2YpFqKhYbamUO7lgDwErKU_9ZCRMR0N9dSyEBUSqKR0d5.uyFDjUkaxRBpWj3JjkXnVbaCj98tZs2.xkfiHx.G87j599kX2icUkizuSS4mC9t39_fW6lLk7wKHSvc25hIokZ5lpVZY5Xlo0jRD42d2y9AiItQlOxcHiHUvSl7fVj6.oE8tZ6HDuluowiA8sJ2ytvXRAzrqGQS1zz.TWjVKquKwE5wkbIzjl.2OikDOxVzD5bWQPIN4CypgfZzUbLENzzETDHi57rG6xkTKP7gn.dSAPNlnqa4MpFJHkOvCRsUOa9bDwiHsOKr9KgXQ9ivJvY2KCObLcYekWRxiB1V9sstehWYcixenGH4Qnt3nkDTWf71VgnnBcEH6RnbU6fWHI8kRS842UushXwf6gcPSY8ERg9neVX8NRRcWSuRF1TaojC._ry2GLSIIoQcK2myaOSpsk0JyL0AffiVl3aPCS_2fn0OcV7QD9OXUnG_RilMFGScBAf_kN8eW7WZOt25H_Yh_Idi05VGveAg72iACqXMFNU0ZZj0owpfvELcM6cAPU3JMbZDtKPNFvZCA6Dd._AZlwgodEQrzY.dZt0rcmIfBVyP6jwXXRz68JOWkDCs6YTEOn4el7r92XUXtbnFeIeDkKPoGjS2hcQpjvWuJ9QVQbLVyn1FQqELi1ErvAHhrof8PJ3XCTdJlpV9sCQUbOoq6fecvtTjD6aoI5c3Eo.01ZfSVR.nGy4oZriVOtFG4RJUpbl6dAqfQuDYEbJXdGvcAqsppWOpm8Iny.9lI4iWL_Ob9hlqsMYYDjaWaLzh9sjvxG.dwjgLb0SwK8K31R4W9WkZy9KAVV.RNl1Nz4Q52Le1hioHybHr2u8zdIISFIwbi1ZbWGR0DShqB6vs3zJVjjbQtn1qWHtx9dHen19KCEL6t55UHZCOZ2Q2IIGbKA85jmimR_5qK3WacqIWcTVaNubS",mdrd: "emxMToR_V0gRRhvJ7Ja1o9IhobA8UrqEJW_Pso3apco-1739087496-1.2.1.1-YB6Nk5_28ERwNpUWXhI48S0B9l442eyykpzZSfFZg3a5YAEAFcTBF9Kq6XVCstKYgANDRCSVVStxCEgEFJ6vaII022cKunGP3EeQ74ynS42J8wWoiNmnGZxzh.SMiGbuQVS70nC5DpWvOtnX0oHlhqqTgq2Ffou_oz5eqBMaO2gChWS_hXJo8MKzsf7Kfx7xaMuT02DdBicY_HGgamP_dXTpvnnZUEY4WRM.5T6wfdOHrrUcMy4.WGa.PIx7N_ayWB02uWlIAoLO6M3gRL6ip4O7A8bki6lyZcucYIGiy7YEV8Ie9yNNEc1H7vY0Mtslo.Bo8FEaDfjhGCl8Kc2E6i_NWInROXwF4C_rs6Vq46Xn5bjJ8_jE8VDGD9lkvqAJvUB53o3MofbdqYqXs39tn.N7R.a9gL6u3qjZCs87Cze8uzq56P0rkF9GHtSY8cevJfiIPukKQhKaCx4y.J477a0_WlA.yaH1XORnFTitOYTUmYv8nyXstV7n0eJnSfMWxYce2x5Is4UUEaFZ3Uc2u6Kxj3E8DDZ1mJZzF8Z4d_Qp1_wDUHsVdg539uIp1OM0QJTThRIL64DgBRSL3qE5x9.RhIcHFAOe6bh2MBbD0ACDSM2lMtcRQlU3SCQjVIZAkVDNsjUsXEI6yiMUhumrsMQRBs80zyq7UD0Gy0JJca3x.jJs.xcqMQA1YCnsX0BThbWq.jVD1SHxlQk0.bCqHQFmQXM_gReS7HqGI2rVvqftd6ZAHV_htI9bQjFHOZ3UrVMndg1J43BVQzRXcS6Qff52NFfe8yPLFcwiGmIHVnsoUec3fqJOq8wi4QVElT3Le_ZMSyHSTl1SzOF12lwxAFqGez3.Hk1KFVo7u13SgXnxu8vINDD3cjxCRFN2LOBZjLFbzzvvR3PzUniWwZu.3JPV7hqQE3f5qkEPUzJm0rjEXDajDK7vbLU_JEJ7obpbCb2Wb4e9PKWWJ4vq7J9SSdWklNI6ewkQ8WVFp57fV8U_rWIpdPL1G3vCW0H.eskEOyrbywT0GrAo146mtkb5MG2WzuFgeTOs5GX4b2SBBUPhkQbhFFynYGNrV30tDtIu.EtJPs2tvml6vpY_ts4pElvig.LBHdu6mEn8ygNtA6xFoRx_INdpHjUEQeMqXPxdyoCtX8iZbG3uMwbH_j3BeDWJTsiebFryxWM.K3e2XN1_ehGjD7m2ln.cjOdSJbAWly66nJRRn7kdCUaafejcEnwxCwWG.5Ts94xxdPfnIXKr4Tmfyf5_D8_5WV0ETk7Obetn8ma1lz79XnQKfbPvmH501o0AC03PdnP5xdx9ivE_p6IDfS_OeDv3AVutolMX39fBdQURqlVlJ1WGt6JdRt5mRNT95THqSKAIDSDt7Y5iNUzXZPk4AbyiB07OiW3eDfTE5Laell7Sx6CHYCdXlaQ4PhZ8_F0js2.XpT6FwZjCO7XM4B3xy2jAjSV8OD3eWJSD4kLFINgTBSEWBzGr4QqdfvmOnKfHumVOCJJ53N04PnvtbiqfcF7NqGPJfqA4J.GQOa7vIG3IfGQIO5M.vu.LiPoqirvxw5COWgvdywYeQDMXiuoLvRb790z1bI1cPJpodtfxkbziHh7GuDls1wZUC0CysNSNT62jBVnnz9kqGxnxw5mTr.g.LB74Plk34GHIbrdUu3RkfVRPpM7STgJyH8p0p2tFi1xElRm6Z_X4IY6fKIpAbvTeeRhtULvh7eKz_wlXzut_in1N4fYlzGiF8TK.dkL6q_Q3lWGZcRQcctgamkB4xSlBzwYr.jMK3CBR9zJvbRV0.LuIdfYx2Dndhlf8DX.07ftvk1GBgCM"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f246727e63083e';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\/1259386740?__cf_chl_rt_tk=OX6yBm_AvQIucEhV1eJLkwxyTxLhKglLaTbnwgzdeK0-1739087496-1.0.1.1-vJDpf2x7RXWKAOx7sGmFwAnPQGqhWXVyuFcWcCTawi4" + 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