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-436216269951.mit-edu.top/post/9523480671

  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-436216269951.mit-edu.top",cType: 'managed',cRay: '9107b624ee2c059f',cH: 'lmAQpmtsCbckFX_CaRcZt7LJMLXkXt6aOYzXn7_XRbQ-1739312272-1.2.1.1-xKpmkGRutk9zEJqM10F1Chbgz69tT85C.SPKbiiwMvO.PrR0HYqcdPMJtSSFRYTr',cUPMDTk: "\/post\/9523480671?__cf_chl_tk=qWVJBEIIR_Nr9Dak7m5npskNjXISUlmkN_z__FSsBfE-1739312272-1.0.1.1-fP8cCDlIpta9gKMBuofnxXEDeqxiy3cjQIvoKRLqyA0",cFPWv: 'g',cITimeS: '1739312272',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9523480671?__cf_chl_f_tk=qWVJBEIIR_Nr9Dak7m5npskNjXISUlmkN_z__FSsBfE-1739312272-1.0.1.1-fP8cCDlIpta9gKMBuofnxXEDeqxiy3cjQIvoKRLqyA0",md: "6FaJMj7PG_i7AfqRVQHRI0h1UF.cSz9SxetRr_TZaV8-1739312272-1.2.1.1-blpMIaDe3HjaT.rBQNXNkTpga.446CLHjeqkMc_aFHx7f_xT4AFOq6Ja2BUSZc9PfWEmrsRFilMntqHH1hqSoW6A5FtSB.0WGA2yD8PZnQ2a3n3IwHrOBrtmVrKhBNx_m_ZQwrnRrPaaU5bJ7qq1hSnEDKaHTpZsJOVbuMQMqQJwuRohGE01Fe7Sc_0.10eDOH.36S4pzeM4DbFZTv9OjvPvqY9gEl137GRAhrYR8upyV1wCOtcwENfreMDbJlOB5Y8mwUnF0jvmEhINIroyfpUG_fA6shKLFlhq0jG.PtyoMmmu58usSdWBYnrvgIw2vfeNqTcdjkHruLhwQst5OlvS1POaHBk_f.MWXI28oarC2Wff73G3fOldEjCM59JMj0dKLdH83QJG2.vbt39YgncvaZOa7Tn4AS3BftwjxEpzrTC8P2U0EPdlZkLCoS16SmOTrMgxkpP5nBAXqpIb8s7ZDz0V25Axqh3KxoI7G4BNvGXSTpu2GQ_Ws58xArv_tiQHmigwWFKJF8OK3ZpGuOXuEBu3_J.msnmnLpgJyLdQgtS0OqNrCdQt8qwH1n3W_cE9zLKpyqzW0pk14s.G1E4JI1Z9XGQc6jBLPUp1YHSfZJ4ZPaNjjFDyHy1FrdW1ne3P7mhjW3WWVm_sUm7SilZzvTDKlVfA92_v29SUut7Y6momGV0ZhO.C_Y6I8apA1yxNrK2XGdoMmnHcpTuIAIYVFbipyf_Hi8hTJjwdzWIs3n_Oa.A6iP4.sFNSTzpVotuCCGQ0dJMzLuyQBlLu9pxmzX_IdrCY28tJUKprXk6QbPV5RgJVOtnHBN11XwjGKChiV3lmlho12SZBbSH6romiiX7rlgc5RWosjmi8FmYAVmm3FMRBIdUwMYPyMqaYmjZ2yiWZhUemnliFbPzlK3TiYwuzWDLH0tQMFDxMv.NjP8.6lO5_CLR6VLLgn.K47kuQq_MtuvjMnHejyCaz8sqSzhwkqxn6ixYu9PV_0BFC4IXS0EsoaTMxfWhHo2Uk66aaZCDJLEm8L_O9LSo2WnWECmsr3KJiQ5BKJDUz9wGWQZ0V0rB1DyJmXYxbLgGLL_lMS6DZzZFvaZquLApjH4c_iXkQLyGEmWQdXYymBEKK0Ypgp5176_54dOZ7Piazw3oQEDNSvcY6.yCJ1350LRt_WMWGuKauAE.8N15HoKXMo7RAkF63R4ZOnhfrd_Drv87slQILukjZAMiL1tqECubeQnTiR4rqAnFQvQgcnF90IWrI8i0lOuAiklyH7csJH3evNA5tsrvTFpw2cWOHd_TNP7Q6LfO.fHWv_Cb1Ux9H.6DQZPX9uRnYRnw.OKSTzr0A1jAiGk547Id1GBowHygZ.hQ6nUItLyDbFmUzwPOUBJ0Df25WiJgGVoMn9jTr1vlipaSS58CbrgSh0NIN4VyvFCa61rS9aCR9G1bc09q4dmxLo7cbQNEf0P_RoVHiEMS9b1wDBMEg3saxEFUK0X39Ut9fLnMohJDuDqR3d2OE6fNyJXibUwb1CrHGR7m34lGjBoMgMu8bYbgIlV5xhHEadIzIwygsKsjzDcsgkwxwFJcSzclhYHgMHX2pgOze5rHSvzv0cbykB.WtaewKs9cM1vswdiFlgxBSpmbiYe1GTWzm_WlIC4KKFPKYefMXORlQG6u4rmjNVlhAiQ24vhAq2yB7fZ2D5G3FCz1KL8SlswntX.JiAixBdTEZkQw1tNsOPtYUqSn49O4RjpNhhhV2VEL00AhNhuAIKVsIIlo9IqwQlew2q._MCXPnAh4RBQmq9rpYmW3.A7_2DeYp63t0IpnBYoar3cKaEfHrfKoAfhjF1RGODFccYhKSQujmdLdo09CmcdBafnJDEChGJ65gxSdx0SUJfyGnYaAyyFGwa1BGpFBKapI29CMo4uu4ETWl7SOSYcUmGHSHKkc3C2wVzwahTlemhf2voQ0viO6igPfTVjvfzZf1u8D7Ys0QzcPwYMsfywCyErmPEAZJ_DkxPFC4yiETvie6IjmAS_cj02sShBXgSUcFlabxFqTZ9VBPxubefvIIpQBDzrfWBPULeSanFH5.UtOMl44H6xc93AdOS73fLVTIaZnLqFHeVTDJvl6hN5bRNKY5x4lJFKp0__YDb8E3smZa76gG2Kips641jH1MbOkLKLSyJMmk4HYTHhDISHKXUrQPhMGTb66roF3NYu8PAsHLrZU_DXPzqnkPLNhVhraqP87mjwu9",mdrd: "Gfk9_bbmW35IoQKTdGhX8i4UAfKHuJlE9Uy2dS4HQrk-1739312272-1.2.1.1-M.yzObdOjdohUrbGzsJeA2wD0SeTlOBeZxWKoxRlWkTmUJIARB9pKBld_Ck7NeBPBGAVDWJ1_BSHw5FrwYtmx.j4jYTEWggyk4MhdQ4Gmmdm6e.7cmslJdaTi4L2GBrEDRRrBfIJEVjua4p.5FPvRiHa4IVWB8tdBW1pPJ9zSVWuEgr1o7vb4nZpxkOg.gP25eH_SgUShKq2yk9RCLGmBC197D6KS0W4HJUvGxE2OM3_XyNZcHmuySoMTYQLkengZHJ1.g2xtRo7J1x.Z7MjrGZANvnyjnZoonoIDbqiHNVLtN.CUDlFvflPhIDs_PiyoRPERS2WXD2e7GB9zo.D3AaG3xz1xRTEHm_qJlkRHDfE7EalLtTjdzVkRf_gzRQ6hufV8ijuYEyHKkXipSECqn5aW2JCyacf6BVJVeq4hiJGU.yNOy4lnkT7czq5wZjrULBzQyG6hK2l9MpUwPWh6FTmr.taHfPCFNfMi9l32aBKSgxoJId_ZdfDeoua_GMY2M7VzeCv4Hh6hFYtY7nHwZUwozM7Vo.gkFkh6ar6HUD1EZlSgMxDtcDuvty6MfGQ7pa7O.JhBlnE0M2voVVtTQ_dnKZcsD1rrXNvgemDDAQf16_YeJrxTcRJaY9Uq710628vBv9qpyGQdsJxux704AleOg0FJGsocSpEgHFivyRTnuxX.W6tE1qL29mMUqEmoeyGdwk6HCfNq5wt8zONOjX18lKdo6QIr1DokWOfNr0flUh6ndvZtIUviNOT2sJbgmzv3Gg5dBD17ncrkItLqYXppJyVnE7ZzOYGzDJ9Iwc08esIdYia9W.qAHtZzrexinq.ZHZ6z48ublg4FLoA0WqaMSz4_ay5cCORfWNIhH0GTy75GIAW8io.D2DclSLE6vJWSexHh6iCjm4i0UJawMtS5.xp5mX3cT7xjVHVtER6fdy_yxCJNzKWzo3iakuIqk8Qj.xNVPBmqHpVna5xzbwcSwnt5MQfTT3ITnMlT5S.uF.wWECgGrMMz4jLi4UT.8QruItUmjQ91OkeRTIB1nCa1VBSxyfSvBnvVa3zxGaHeGtW8Rz8YAB3pcjudWTUotTFOOWpsV2.zS.V9q6Qxznh0aIv7pz_dsKujg.6.Of.gRwfy0N0XMJMfNhNb20eE0wIj7QUQlP3k4OSe69yaESdyjtunw5vPKyI5YJp6ScUnomZAlHHnqfgtTi_7QWFzKwWV2R_SH1l.1yEMVilcvsppmrbM9G4d9UW4.yJnXRrsVPKdl1Ne4pekQT1It4paYNBek2m_8oPeFbYJQUAhctyUmfonySL4QY67SKgk5TC22AhwW3s8X39TgbD.y.FP_mFD2N0Wy8Pd.07EhR0bbdiwJ1PYp6GKBcmSpABrjjuAVGZb0cgc02EzbNw.9eBhbGBBC6qEKfLRySualakhvHc8XLbWVFEypjHQOQQCCDpoYPar3C5VK4hha4rVcYHRjy56Q.pQB033rg44B_mXH.zgbNGjHvOYdzW3RiCX1fvh0tivIRM9Q0Ige7Foq1tesjBPmTzc1v3LNMHNVjbz8r7lD2iEHhH6xc62CYk9E_IPzeKEexYWHWhBcrA.LnhHL4CcJVTZ73BIXuDyza.ISa8tuZxtGXRHzNtjapDTkspAkyzbZqygcMxZfOguFFKHRbzSSfsscOF1TgjZvXoXHiP0K2eUmF6TAcy5r.p.bCUPB8GsKw_kP1NV1QC_pjUYWwQl5be8Q7rYXrGtVAcqfCQj8MMSzn0iG0DumLxvj.eLx0RKnhlWt66E9riKkJg8uGTJLQrx3JbR06.3tnhdBY6_z3GAkr.997Ws5HAl48"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9107b624ee2c059f';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\/9523480671?__cf_chl_rt_tk=qWVJBEIIR_Nr9Dak7m5npskNjXISUlmkN_z__FSsBfE-1739312272-1.0.1.1-fP8cCDlIpta9gKMBuofnxXEDeqxiy3cjQIvoKRLqyA0" + 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