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-185576936465.mit-edu.top/post/0418396752

  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-185576936465.mit-edu.top",cType: 'managed',cRay: '90f61e037dae39a6',cH: '4IiKWoq4JzODIeoFnGRnicf6jwpItWavelXWrWKCYxc-1739127782-1.2.1.1-x_a6P8VlYyg_DbjroKiCCh99Vo0zXe_jtsZRzPMVls.wY.pZTV3pfeOLq0nzQTgt',cUPMDTk: "\/post\/0418396752?__cf_chl_tk=KzMqogw_A_x8XFZWPjbH4PDD5o43IhMBPLqarrODz_E-1739127782-1.0.1.1-xvfg03BZrJqzFUiB3H490AV.xfTO6nf8d_jDSfitL4A",cFPWv: 'g',cITimeS: '1739127782',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0418396752?__cf_chl_f_tk=KzMqogw_A_x8XFZWPjbH4PDD5o43IhMBPLqarrODz_E-1739127782-1.0.1.1-xvfg03BZrJqzFUiB3H490AV.xfTO6nf8d_jDSfitL4A",md: "3BgfFu8IhmZW9iSCf1AUCr_BRxXBotVRqdQlC_HjFWs-1739127782-1.2.1.1-YMOUJuKtEDCGaOD3zIxtSRY_RvH6rH60C2rZ52Ufx0EC5VstLDtg_4xL52G30PsiQF_AhaZtP3FugaMa9FGUETBiSd_Doprxscb3eNQJ_x2IuaQNoaC4wA7IkF9TFXsVBA3ixHb62HAPFq06v1MI6XEe79eKp_0Mlix9KPOGpF3xI_EqUelS9bHVNQZDd.WkycATR86gQswlP.zy3CBl8gNqTciiC1qVGzj2nBOEZMr1Sdne1LXgaSpCvryC9XHF.9hsVVrxCJfd6455_k_PkNTK99K_1pAN8Nslkp2wFA2LujYZcqoS4U7JWERvaly74T2.RXCuRDf2vBONRvbU5bUhOJwtjUI0.E_CIs9WiynuvD_z4GAIPzo_Z8BRQ2KgW0GgOueuYQ5D5._IbRbSnbJFcuHn4iMCt.y__6HF6LCxOAfjmbAwFaQ0.k_.ZFVAnRQ85_R.CNfM8OzwgfWruJ1KjL2hWwiK5t5129wr6Ey9gWvWqM6p0Al3uojzKo0U0kXeUWRvIJ8oa22fPx5T4euhDWZcqO3c3OJ_352JhPaQlT7TW.vwyfsBP4tP5uOcQ.TO4hTPcKT9qMbDBOqfUXOSteY3qhs1EUb_Y_9XTCxDod1BhS8wNW0U0J0ycfkOlYEse0JLyz4bxAsrOL7o1qgZdBjS44Nl2QWamPwnYKGEWXnKCz.r1oGWHp91pIj1innCTQFIqjMCXcPBx.OhDv9CH_bdy4k_gHGZERZkAvdWaufX0.xn3zCxgGk4r3eqPIBaFVFZCFALiZJtLpTNn3MDINWrfP.orxTAWzsRO3wQ3TjPFfqI54UVUqLVDsYDUPXsCdyrQSJqmG88QtFO26WmEfNUcuRPPzqIQxxUxOj7FJakUGA30rSxLxwO3iYI.d5_1NC.6oIMb6xNjGbddYKi4eFDa2BZfV8AhcS1NSDaeC2My7uV1GNn.mF5oafA8GQ0gkLmcNPA7K39qznie8slBVcGw5TS60QVul7n3orkBNBUqgjlo8eZeRKs_qXW7H22HSk3Xd3CJWf6fiYexDzDkxB2.5ytmaV5HED2ndKgyQcS1VifLbyFA4k5cXHXEuAlILx7fNYgz82SnGi8OoK.Y_I1lpb6Lr7YMXTbZtDxo_ud9uhKbAMILL2EY3JdETvzeYDOagLuy39FEDlHcoWNxNjr.Uhunh7Fdd68vxH.f6VhE.4WjpHaL4Xl8jvxpLopAbt6L6QLcjwOUrrUiZ9WaeJUBYXHOWVCKrktUUGLh1n6wdkltNuaqiZX.XH5uODRAaWiJNzcPYb6AQx5qvzYVYXpN4pUFxpRFlelnFPLJ1fBvyjD129vcWuoU9T4Vtw4rm3lO73rEKcvyA0u15lWOYBY8qCMoNjcJ.pv7yuCYYj.OqkPQp3udOjr1Q2GR_KgSK9JPX_elS1SgYJKHIGrw2RQWFFMR7H9mBu9_9mkMXoS1uOevkAngxTTyitWI1oPv5MEm08IOJxy07oidd0heFdDEjGaq6ixbY2ekDC6j_bEDyJw_weA3SmgGdo.dfmfmlfhT0R1jBBQgjqI23lymtpss2oj2RSgOTNxo3mZ95A6DXKJMeHGtHUWNvkHb4CZu2M5ralIY2cfB70d0hraqVXSdGan4ACsqClfAV2svcua1j2GWAXZN2XYfCpExbzrhKSZk8bQkbs1zgk6Qa0N.j6B1y0i.4d6qnAgLdJuzEPd3NYiMZxtBwm1YPZKM7ZGHiw4LZOYDMPNZBTQ7lr25G0LSvbmKGPCwKAluO37REL0EtLHJDQNej_5xizHb68oCSvITq6nZD1u2aKEvWOjBCRECvYC_4GLIpr5RXl5CNeA2fpYMUQs7xVn_ecKNA9JrakVRmNhh8pLaTpUInzLMxZtSpY7_vjJST49odvvHuPCtYzL6N4eTHV3nPhz.QsCd0F1cDcdktVN8ze_fFLIbmmn_.hxW7aI.3B5SrT.G1xyEkTi6ihtPwMF18IqtcKGnxdNpSWaGUH6ghEhaJ3hscxo4aITGw4H_ZStac4u7U1uUfHJGxGB5ubvWYikyjcUQMgun3CDfPowgJHsmfNQ8hI0mogGHP5UAP8GN9WoMLpx2Nc8B9MSHraSl38hD2jAAWkNOCJg5p.5m8NVZid1.SVADd.iOMIlMRX34z8NjmvhIzqk8ZDMPAUN_B90xf7WSJOZ.sCNWd9jOm3.SIYHwCy_mzE.z4QjmMnzpc2r0gIditRmWG03dudRgYoA",mdrd: "5cFsvaxEUkc5yAIlCCUqTxC71.BLSbf3Edw5d9zuavs-1739127782-1.2.1.1-wdlUwtCnbL2jOYHgvM3dePhS_L1gfYD44xrXXP_IaesJarEW7HmFdETiKl4_ZCS9lqHWvSa40pzWfsyqlTbIxKf9gPDpvf.rCOjXUGV7HzOEYNJYjFeN7H0hpGNw_JGj6T1k1uO2CjAFDfpZ3BDh0HCvZTcRsDST3CpPDWduOSKFgFtsS3lYG24EIge1h3AsYATmobKgPnxl2s3LyOcZUuZY7XWkChKa.D4lr7d0nvtMWLQMalBxwh2B0TVsRkF1Zwzx0VkoH_34cuyWVNsepTyPlaf5JlaX8aVYJeldg5Wtv9LpLFv4S0iMCAM4ZP.GBi9.hGL8qlyVXXIiMswWBbKNAYVee4a_FxblF2aG4x30jchpbrJb8MWhTbSzasiU0wnrhPpwHZJfiY1pJ4CAqDhXFY551dFt9QZicFhAtvLxm_xDZEHSy78kph1vrkrAo3rA7h8G4YvYo_TBGWLZNMH86sasgjimuVc8ZEYkbVQaQT7mxg8Xi5oB0eWFrtN8Wdu_pkwFcTOaJXNsDDwfJxZenpzfDAFOyaPY82a6jCOB8i_My33ldFZ5b6l4.2adjTiZOrArKTyccOC5.br3jz3PWHWYWniFEVaPsxmMiwlF7NX3xyBPMwBegg.r5U_K7JCefweQgx2qrTtZxM9Hr20o9D75Lgs6HKj4htWCF8HpIjkPgakIyYFjNMIMM0AxlxvH_Al93Kc8GCy8UwHoCU4lh9g4keyaGKSDekq9xyO0MGObP91Qu5eV5acIcqGjbAl2L.vBwuCuUWVEgK4eexrtQXC2uVEpttbX__nwJyNcU.jMSyjKLpIxGX6HT1lltGDXKyhiJ2daqYsYHVcjWmG06z9rDYd.dDeRgMo.GFVDIQMmb2z04tiiWVrfrjZvGeeLUffSBVDxx8rwXIICYJjY3bPrtlwQ6BVhKwjZ2UL_SWmYYlgcNmXTpGqA9SmO8RnGrKlp8dmwr38.9eNh6yVXb3B4Sb8UJXwMQtPkuy5XncqvWaAeAzoRVnQ4UbsMZABIx5sM4SaVRKcTcSXmpdX06tarRAryDMiI_qTrsA701XhILXJiKRh.xvd0tYFXrpz1XWeyNUOhlfHPvNrNhnGI1P9nslraF93baLA5OOQBs32ELiB7Tl7HH6mLX3rVBmLIht6zrHbs7iB7vHfyKc64MdnJSjXzytJbBM0D1mqYYuLUH2gEEGcpQGbzG6lG9MYSJIWjP_6YygU3wa19yLqsBcXER72E0CaWQKVRNjNO2p6.Y39yRbsD_KL2B3P0aZHcsH8UIBzs_BQJJ4g7KzjIkt.yoDdRaLAUn3hhUdUnDXX79Cq.Bs5QxF7jiThh5.KD6inTb1hDoilYz3Cg7wdUsMjNs2o67vU7g4slpyr2TdYSNg74IaX1h2HgCDVuKUYHyJY2dPnILVl1pTiKizQ3ZN_DuhrPq5yB5MNdo1JEPW41YvTAp7BEEGeI8IkFJt96RcqykwW2w8daGUqgJyg4zE0vEKEcz3yxOD98ZGf.9pofwR1me7NXldccPaK_XjaIx4JaGujzW1XVbECpke128mWwB573LO9hwiw7lfRjkB8DfyJfljMOfCwwDgZInL.sDidXvkj07gqQEQM6zF2uKPneyY30VMQ0ZEDTDVL7I.b3QApmlEFyZiwabB.6bLO7cDI8fM8eQJ_YMDPylGCpIGVj_fezJld7V2miSXLfaLeeCPOCySgsxfRTGvmCDFoACEU0GURTEzoQF5Bj0lcwbsEISxLtsHckv1JntRIdWLD9MaGouoGVw.IHEGnpJnVTrcGCXEHRlhnhRo.DT7fBqeBqYXXbuUH73HEfIMM"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f61e037dae39a6';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\/0418396752?__cf_chl_rt_tk=KzMqogw_A_x8XFZWPjbH4PDD5o43IhMBPLqarrODz_E-1739127782-1.0.1.1-xvfg03BZrJqzFUiB3H490AV.xfTO6nf8d_jDSfitL4A" + 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