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-affjiuu2h.mit-edu.top/post/0519743826

  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-affjiuu2h.mit-edu.top",cType: 'managed',cRay: '90f1967f4f5f242f',cH: '1sPvUfqm5IYkXtBgukJVbLI9.44c.BNYGEoi9BJFngY-1739080289-1.2.1.1-3_vz3GBZ4Qm9YjXp3TSvF9lbNfcs0Vg3Cze8uTtbGW.BolyUD._xaY6JcF7tLzy8',cUPMDTk: "\/post\/0519743826?__cf_chl_tk=YRFHt5iP2GsTS2gSnYriZECrvsrS28hhewM0eXmUPmo-1739080289-1.0.1.1-L8Ff0Wd6lv8sC3UwiuIf.hEeF2xgWjhKNSEO_cRYHbE",cFPWv: 'g',cITimeS: '1739080289',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0519743826?__cf_chl_f_tk=YRFHt5iP2GsTS2gSnYriZECrvsrS28hhewM0eXmUPmo-1739080289-1.0.1.1-L8Ff0Wd6lv8sC3UwiuIf.hEeF2xgWjhKNSEO_cRYHbE",md: "10Gu1h40lYZ9t0RbeV9Eo73jgZE8LzJXzZnkhw7bepI-1739080289-1.2.1.1-9ZYZjb4fgLjPh6x2fsXvwxG3k0t01gFfMMUfF_1ynKQ2wypqNay8D1jolGV0JCR2F_VBeEgBBABS2ouGx9W7r4zmRoiDNUlqZAz222BmEyWiLl7OxXo_7TJGwEb7JaqQclSYJNz2eOPiCKe5qTdSrPtdakqczHTQ1t24FqhLryeS5jHgxsnCWfhOaX4ae5d80SbqdK4RGdCXt7dt4z9uHOoLnUghO_XHZGkuJell5_Jt7WHPCVbhO1naUl61fC31NaoBA10PBKZbQaeSGnfAweAkmkN4FdFDSj_dgdk7tlmRzWyWlPeXl9pnqoTFyHEfn25x9dvx711rYFNmliBGZeMhxzN7AoN8KcwWoaHUFYy5V_R9j0Hw.KSFwvva1i2Ti1CGH.G3UDAyhT_ZM5AHEHNlTgM4AzGQypfXvT6lwf812fmuxlnanzqXtVuLbLqonVFK4EPHR9g29FMRb.H4t7lK9yvBWJMWMYLu9KqkLUwqri91lcElSs8IvFhg_1no1bLUZng1WkRNuOwJ5giRVDj5tlWd0KEe6VX6hHKy86DVX1x9tiaoYBEJXFbUM9_VLa4lho7gT9RcTaAj88bNbAWyAMzp4.NDivOL1CQ0J9N5UBqPbhI5ZyuYVNEACvWJ.TzRffLvt7kjTjgAIMdAjK3Ho0t3X.Cy8knEFD3eib5mIzcBPaViAxeThuew644S5PB5hDCFZQ8_icQseNF7.WiFf6iZNrv7hq7Il1GqaWpJXdPttZqrwEmqZFW6aJWLPZiRbk1ikt7ko1qMpVDkTzv9bpPBuIe6x3oHAzleF2vzYrLs6kUVEZw7f30eavtO.PkmY3j2BzQxCv_ky16qioZ9Mshw7WiikigfHHvpmoFdacwNsrCiSsLkjR7wGE0zDHWmSx_EZNlyLPm4CynuHSPZRQJYeUqzOO7k93fBdPlQCq1gyQJAAHfiF4zhIwaBhMIzXJtAHeDJLI0hpyYjbNst7XxJe0fkZRxhlNm_CXnGy2TDRC1mwsWjeN24tUBPrbZdrarmi4Il8hZ.ziL0Bi3uDeOau7lQ_x4BYv6mdOUfW23qFwdk1gyYnEB.Cq3ETY8c3Pbfvn72nD7gB9UUENH1ttoqIUINPKijuN6WufKBjqyyG45oLeNULb7ZoXjbSq0no6BeZqPKTHssdLGqQohBpFvg7p0XQw26H1dQvQgbQCeGqlO4EtMv6uuWK98L8OPrBCj9bXtwcDNi65hoRfs0i.vueBpSs0gaidmjJ5NOgmcWC0ZhWQ2cZrvTFM0HQS3t47s7pXjzBdRpkISomh6NWKH_rR2tU0dj.8cnK_VVjXjv4eTFXmEIBWoISx8RoQ2_fcaQtnwEslTVe4girKpjALM379MJkGv5m85vUxOQ0fJXxi8lDSsAu15KbaNsIM.oBI8gw301xs8jsrmO6jO3Br8Jrtmcl3Ucb72i8IpNgPL8TUo.o1efF6ejWqGSg4Hv5uLShsZNe753Q1wTaIMhTYaAslerYnPOvRTOr.Q6PG.KUlFngElkGy0rWGUiUoyyh4Mu6cPlFP8hjvH7aRl3JNqOSMLHUZ6JLUc_AuHE7MK.nUeOS8BJYdZAo1q22VARkgI5LZZRPGH7COpQL0mHe5ynZq4pUJGhnFrRFEd1HCiTtOL421Wst_ltbcpXeQ7pFf31GuD9Nf2qs3A0Bti1yMbDL0eiWPkQzCUifGBUAUXgVmaBS1AO6iAL_R5TzdMGFN7Ih2S4UhMbSAFzWtY_IMZwXgUtRCJ0m.RjLcXD_Ki7FIPlIDdo6VEyUDKoVFP7JezurN2x1kJNyA.LV2OaouagRWuMCd1kZO3cSquJ6JlicOKZpymn3KFbszyLK0Uu7fkPpJKhth2Fw.1Ua_Lz_JYXKx24oMl5cor7DkS2pG0gdZGH_KhkQ1SwoH6lfnt0JNAZjGdv7.a1EJlIHHhZMANtJJCD_HAy42e60ioZ5VoqSwiJfIjIBc5W3fhFNyBcB0Qx8ZBuLQ2LMHuxEkFe8ZikyaKmlQKLR9cVxgcdMYaJd.iTUHB._Hbn5XUyfIiG_zd.CS3I1hLRF2ENF.DpeIT3cltIngauRDW.AdIQXs7BWPbOAade3yekOaxbdBNnTaJYs6D8lo8mzLPtsvA.7Zf46SgqhgNmG87bXdgSH11Ft3Coft0Efknoikva2YosnPomwvf2y_jNjPZX9SDyhSkzLuqsl3FGR1Go9AOz0ghiy0leTvizhCAOXYH3",mdrd: ".afmAKcwEz12NTWLbCHO.TMB1cCjN5jvfrR03KOq1iU-1739080289-1.2.1.1-lXch7w.x3Yf99XGKGhSj7hqw0Whqyo.WUy9p64KShfVzTWXhjtZf2PtZNGl0WpgaPS_NdJcktXnlDfu_p2sttKk.xh1WdAU6v3x4sxMqIukmoDOWRFsi.DhVGd7kL8Am2ER1ht7OFPrybl1ZMBtuoMGQOyMlXJwXc9aYyBSSibJVtZCGpsoc0Tjvp0dEZ1KKKfedP8jZfeC.lJZD1vgMVZiII3zAH.H0Fqru8hBqbhI.3_Z66iGN4UyZxzcswUOnYMUqtzoJ06sEHu3dWCSprRI1sGSdpfNziOb6eoqDpF1dQ_6hAihdtykR0ZaV6frlIIikRIlKVRXyPZnKmKGKGfA0D5lChxUYyKnCjaNF.sioay1fTBKCV8aNOdoyoOES40xTV3Y1fVDHxYiDfv7beSlBqkJhqDeBE1WMHnx4NOB8RPFcYJC_w3WLJ0oMf5T8xDhAlZuk7KTCOSzTIJnwBNL2LbSl8EYDt5L.7Fjlptfxk1k2t.wv1x6ntkOTwplQw4Emru9XWyNvCnlzMcuQnuwq6ID1zl..PpalVFAVsYSMpKCmtmZBctOMvFduRbjmFbIFQzb.O6Fh3fxUL1ldtDohPLOFYuqr2YZLtvbHfsTrR9lyyuImnVMBjmweCpqlCX92YTnvmuEwETVvSeENjGpN5THtFEcTmmoncHIhNON_vnTby3Y9wF74.URzOoPinPMUGwuadYi1BPU0Hf0yo73Em41Sv8OlL8ds11GMtovfarzEghMXU4n2iPZfEgOTjT4UMIbrHYFaxXX7qnfk9rTryAM99ScIBCH__fJfB.UsShlhjLWA4izgxywdIIGAoFradk1Sq0Euar7T58xLlX4nggUZf.JtTPxkT2aqS2ASh4jzW_RWJbn06JiHgenusY6zP3bgVK0kr.fRgdCCJ3B7yt4uFaiSjy515W6ASEA1YD4XmKRBwxrKGgZjZHbeDpCHvPmek.YqlfkN7M..EaobUosBKvthnv2vOmY_75aMknQXnm5XzkaqCmKeBmFJEkcN7rMm339HeEm24.ZLqvqzWa_oYmw0QDCLyuHV2DqvPkyDIK9QxuuDYm1bQXH2cR8MweaTRCTsl8KbaR6lPLeSMFgTAGzE.q9AJH0J.vBn4r2uSMALaDbKRcQk6XVJFRkNlsUYr70QVOIH4oGPOVbK6GkmRpxYU1jGxjK_S.YZkcBpqfuNU.fNNt9N18r.O53fNXEE7I0gQOyhCYp1y6ekQzHK_WfvyHm51cD4txacmKDUk2Dsv0n9VsgUCCE_XUVQZsRzFGUEN39kdvKcmgClVMUA2IqkKHaDWarElzgbMOoUV.oVdB4Ux_1uTdnoN95vkRqXtsDCpC_NU5hi9soEWKqqoinxvaRHeuoTM1AjxwWB8d9XIKPF3ungifeaZ2drGw9GqIYTeeVeyD7lWelPgaI255raDw.H3yOyCyb080noD3na7ChCG54.u11Bn.BULEOBjPzfeCpnV2DpqdlmlJahhuxaCenFvtH89PQomjvcEXz3.KPVeT0kvV98RkBqERJk7EY_B6_m9nMTUPdhU1qbIlNpHEQbmDLxZ1an_k8FDPiLEnWNzhFlAASgYssH_EwVADqfjDJ262ZtEVdwksUZXbBSEDe0ZBWiRo8mCZSODAdnwOJhVAgsNJ4umFUcimyg7K15nDl1iwX2rlMrNHrZ22umVMyqC7gp.yd_LYHIQQpmXgrvXvtz3rFaKFnDomNuV5FYgrwRPQY5pNOfHn_LMjDUj5dAHNNZZwL.SB_TUut7SOAT9KiRLKcMFmSerGyc.UqYeedH4V2izw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f1967f4f5f242f';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\/0519743826?__cf_chl_rt_tk=YRFHt5iP2GsTS2gSnYriZECrvsrS28hhewM0eXmUPmo-1739080289-1.0.1.1-L8Ff0Wd6lv8sC3UwiuIf.hEeF2xgWjhKNSEO_cRYHbE" + 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