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-afftfumkz.mit-edu.top/post/7359082146

  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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-afftfumkz.mit-edu.top",cType: 'managed',cRay: '90f1b9776c94801b',cH: '6F7n_pzRV4l2lwf9SGdPXVsy38d6G5eYwuXneFwaiQs-1739081721-1.2.1.1-qmQy2D16m8BMS4977ik059Tec1Y.vqFNZ.ly1EylczrdgYPy2GqSy7kGS2HpIjyo',cUPMDTk: "\/post\/7359082146?__cf_chl_tk=l4m8UTEPgGzdcf0HasZQtJXk5mcCPN1siCXzwrzlcgQ-1739081721-1.0.1.1-F6p60K1qNbBzgKI4drX.JlXJcC52GBT5B.c1NTqPy7c",cFPWv: 'g',cITimeS: '1739081721',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7359082146?__cf_chl_f_tk=l4m8UTEPgGzdcf0HasZQtJXk5mcCPN1siCXzwrzlcgQ-1739081721-1.0.1.1-F6p60K1qNbBzgKI4drX.JlXJcC52GBT5B.c1NTqPy7c",md: "iSZgpCh0oLOyBA0oOXH9aJzd19qZ9QGbhCStB0Mubpg-1739081721-1.2.1.1-Cqa4V3SdXet3r2uOPnK_dAslDRdcH7rUm11_mV4npUvtkwy6BWOXCPvvu_rAskbtqhrdPdR9EiYDe1NyUgQkLcOXlfs60vcPEK8C5WUkr2SIySQ_q0UQ5nbt7.Rj9sOEA55qpQ5zQMQGeUpP40v_vggPgOv2JcQWDFXheAT3yr3iewH1ITiXr7CvI5dvo8UB6GyuIePcIM2W5v2_x9CFBemcJfI6DTXd9DCkcM2socCa83uFUiR8cTLkeAkO.UfB6NnuI.p4yQ.naH_kJ2PQUxliLrsDiYGDRGeXNO7XltltVXmdfZuAy.2p6_h.9lGc_D0qwlfSqyaLomYt1dVPIInm.W9Z1RnkW3CWSwi9fKwWiz03I9OdkEdV.suzYbQ7YINlmA9aHSaoCkEMKdVz6K13U_e3BxF57b31.XKkinLRaKla1ZWfJREEhte3r1S4R0cdsOia2KUFaqqbv54AmBC5iKPznfhPWF7oUGLfV00AEey_T4l71aP2XFKJNOrOVqijO.dl8HohfeU3ddo8_HBlTIcfh23T5UHe3yiFcg1il_89Rnwbx8kahR3Rud1LMq9A1rNauGEWeGq4PKWXHIdpzrSgAKtLCh5LpIiqsqQiUXYJk5yZt2qamd0iJQ7nWveOWjQ3DMfBtI9Q0yQYkB6XSSOr0O7evhAGLb6kRRozUBO2vrb79.1hrdIEh_TA3.owstujyYFvuqWjIU5__zyUUNTKaUPg1NNdQIQED3wrodFLcwl5pKC9jOGz67Miz9ljoMyCgBQsUjo8DRaHEetasEhb0CaTlxq8S2Fr.ccd6Vh6_nNlz0XtS8tCAjt8b8hvHwpyYpC_X4J9ivNnecjiiIGILHsbf8DWEOYfjrVeH4Efs_GHHG6a5mgxvSd4bDA7EIPlxdKSpKW6RJBp_IXZBCDjCvdvE4aHNtXiwTJFsHmbwXTIXFyDGnK9eB.lOfnVgQwAJKx6xTkxJtg6AKbN0fx2KHuFbUvpTJ.w5TbifR1mtTYrvIrhLAeVZw8QvNu.DN6UNSgr_aj877MlmQfaYLPNzYPZJI2m5ZKRmg7hpkqLcRo3gZmTkqzG0aTcdaq.g9DAeQ94J7xKzpEgrRnTmgLeYOB4Vj297b5lRYHBboMTQt3CfoWfRY9XZmdVD66fZmFsyAzWMzVYSxoQdkncRhXCFaMeBhfW3jkbn1W5aUHUiIJFxLyVFSKjvLorXMN516oSGr4zihov3SJQhByUZsta5OwKlP70ZJcKYIlxDeQGkTHV8J7eAJ.sYXJr5az596r3uC1u7u9U3Y7GfvxJaTSNnG0HV6qjrtgxIaazqa5JmE6puKUmtUzqN1pGM9hfTJbQs39LPsmCN5L9up8mgcXGhocCmr_MUNQfB0vAsw9Kuu_6mmrN0vMwWWOed0_ZpQ1qphvjoIsLne5TyJFXHW5m08p9y50Kzxdh3BRR0edLOG1A7JL9Y7dOpw30ymDhPv3qchdVtQHsSGjZZnSmuzoK9k_cHW3xptbEsuT2.ABV0gBSgeJR3meFrgpdEcMnJAniqXFztwipkotC59Neq2Q2lCO4T3yodPNK8TXPd29xfT3odtKFT4g8FTeSYOD3TsQau6na9Lv6UZz6FP5uQA6EbaAckn1oQunPGyBbURuIizHRwGhOUisF3Mc7WqCWwfedRHXgyBIV.Lg.PRmHP0ufNkfBiL3VQkUQ_WPITJ4D.23ld0oz5JjCYoJzhY3gu6Djz_OjE4LHKCz4pCOOFBtzBF4oVgbaq9v29SWu0ZHD60_wYokJlhkbxEFnxn7Ba6vZbUtUOBedVURTkPDrXqxXfVbW3w2iURPDI7Lg7wA9KV5nmak5Hcq4oFFY0RDdDOascpcxTgtHv47RsvPj64WAFLndfAQ_ZHOxic2MZF3KNmYyc.LYIy6VRpa03K2ya1i.Pk8EbvZ4AsiXFP9PcFJwQxoPg0V4gkbOKvUP473wUsI.BNr6i.Iy2Kibk__.qCIsV18hP4g9DhW_3ZKFRbhMVQAyGamrmg5T7PrKbx_D.7YRAW0Qn9WOlYVnK33QYAg7kHos89CrMy1K7otLKGDFoi6IEMg2oglFkOabi9OvamFD620f1U4h7YX7mgjtgwMvwgE0TiH8Rz.6wumgFw3D7v0ZATgNQSjBGAJv0t3MC07CZph5Kif8pqb868OYW9kdmigUln2aQlTo7YEtIFZNziiShe9_95t9cE7Q7o2jlZJ0i9RA6tuhG36c",mdrd: "VQMG_2j_kocYUZPJhAj6PP3XwjtOM27qn6eMyAVFPh0-1739081721-1.2.1.1-8MAA.17nKabxe2ZvvreLxOiffo1NSbm3AlrMy268R47yihaLURraPAcx1S178U74ucLxUDGFJkU1tdIOos8G9iNzQRV3L8ap_MeizFEqTSPn77nJ4V6.gF1FXBGSfJZh_9AkHAxuN7T.ZaRwvScoOavP5_aOFF1djHVSBLFqTm5JuLI9hZkQxz9i2XoQDvcP32YilPzgGHMFM.VUZV2xznJRdBMbznyqhMVocxDOAzpE1SVuNhLSVM8mKHqeWHTHQ9CEj1cyAfHEnsP4g1l9.T5afgwXDSLK7YT7M60_p6tQU8q2fdJHoM8FAXnilJw7kNkUHGeGSNTvkxLpeeYF2tQLYcP3twubrqeVZJ5Rcb3e_sJuMYAf_VNrR5kDZjkLQRHSTCjUeeP.VdtAQl5oqDzaJgJlzB1FJYIoFo3_iIGuIN1XnaON2fGrMMiM8Z355Tr4pXwhkgOHvY8MaDbHCyZkZBTz5bca94G_DYb2MkTIAgjt9UBWKFaDKm4tpMuy9MuPnSrroS8ghd5PzRG.71CsyfljRfzwQrF.Tk4ooe_0JI10tYtXlc9yVxzwO7km87NBUtoNKy8Uk4Hg.xpGqeLnkbSBqTKyV0uV9dY30BLVxzPT.eMYaG5KzA.4gUNg5Bq8OkAhZvsCTvbfRsCTki21LX0POsy4EQtZFhHnRvyK_6Tj_NEMs.arDWJgUNo7oD0zA0K1Mik7CRIOPChXFNW5utxrKwiEVVdnAvpk1HljVk4B.a1B0ead_KZnlolTKUXMIj6kOd0hFcmY5KPdeOMf3Vyu6DmP1LuTTRSnUDQu_Fs9z8.JAeWOG__MA9SWmhswmN.6vrg7tMAGB.jVb.OvMrSIyuLk8WYzB3v0iyNISDzhgPliFjkfG40Xjq_lyYUlC1Cy_Ihgou5h8OD.oj4.79YGlTtlOEQPSHjnki7jgiWIntBy5cplrGA9H_xKRCd0RsZyYKVvta.68utDer7zGVDNKidD2Wke1tZ8BLSvqvDN_F_NC5_PMW8l1AowKhmGr.rbbSk2willuQ8tzuLuDVPF4PRxUWd_Nr0t23VtPzy05aDNfkG3Hp5szbZa4cFstNIkMXdky5mGaJb0HMH0v8srbtu0pY2Fiag4VZChswckL4sQbaZUtB36YXcyFRNFufKLU8Hko5MRC7.3Iu3AFZqHD1cspCZYbqWhEyJYeiuPb1xrZog5Get3GWHD1Shy08shlJfnHacEOO3Jm3sjJYjtyruJ1TVSHmYwsDfGft22ls7J64p2D.UV0m4QTxYrjvAaMUA9YCcCkxLY4rJcw8Kao5JNHMlXDaIOMneKxhL2alWtXI0CzGb_eLHw6GovGbV2nXX48AnYsl_QRSjdWUdHqwoXnzJKWB4dFvAdcRWQeqUQRwAg88h5cRF3sSSCxiNSRrEYUjewhFe58xSKInXJyfFkunFiLJAKF0rvmaqE8STKtkwkksEnOR6K_p8jW564n7NRzdLmX4VcpUVXc3JKcWOJUgiR4cScmUegFfYfvDKherVsp95Gy1ZRLBsOzpQOEAARIpYJNkuY6ISwg246s0IdyL8bBxh3p3htaQRnSevLnIBCe0uqrulL1VcqLaD_ayZNY9z21iPURA4lNqjHYsdQWqMBqu2IHHb30jTtqWQYxyvY.Ur0wTzSxtepj15v1DgHEMq5OILFPppAd.PYs.jvif_WHhMzhiDVtlaKeZavNa5kiQJibSSbjs59mllGoWJ.4_gwuJJbiEFCkQ6D0HwaRXTu7j_KUluXwxnd9rQbwOzZwDwIs6oMGIewyJ2jsjyo35TYCTUT8w"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f1b9776c94801b';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\/7359082146?__cf_chl_rt_tk=l4m8UTEPgGzdcf0HasZQtJXk5mcCPN1siCXzwrzlcgQ-1739081721-1.0.1.1-F6p60K1qNbBzgKI4drX.JlXJcC52GBT5B.c1NTqPy7c" + 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