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-224412414834.mit-edu.top/post/1587403296

  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-224412414834.mit-edu.top",cType: 'managed',cRay: '90f835ac39eb0a13',cH: 'QAjAOTvqUNLh1yUms7K4_gT6JmaNZjLnoUIUzjSVm7M-1739149723-1.2.1.1-rQwvS8vbvMKpPe7Nud_pMBAIyN492ubp.JlzWE0HGoy4cvjE.kIDZM1qyhtbCJ_j',cUPMDTk: "\/post\/1587403296?__cf_chl_tk=irUEQWmRe0QiggIZ8SYcw_vz9l_PdHQjjvffL1Yht4w-1739149723-1.0.1.1-a4bUOXrPrtEH3SuNJCivlp020.4iYcA9LB1WZTAtffk",cFPWv: 'g',cITimeS: '1739149723',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1587403296?__cf_chl_f_tk=irUEQWmRe0QiggIZ8SYcw_vz9l_PdHQjjvffL1Yht4w-1739149723-1.0.1.1-a4bUOXrPrtEH3SuNJCivlp020.4iYcA9LB1WZTAtffk",md: "J4PG3MLs4mvfGLMKTH_rNiqlfcQEmjvicfMmMg5efgc-1739149723-1.2.1.1-uTcgC6XDG5NLB3VvlBOg5bFegIweycpDLyJPLTE00RZO0ovWY4MkbhsDLzTutplHEJq3.XJI6.mqodx2Tvv70.rGCkjg.OS_f5JrB_HAyuqY_MbBr1VwBdaorNyBIGeQibyZ7aPr0iAMSWSKuB9E6ydrEjuhiZIsMGTiiiVRCzxpMXpIthKU8MDtJbeXCfMJar6.qw9wyHBiwcclPkvZ5x0JFructHHApZWJxwfQWnTKApLdKzlI7U1PexMLiZF_j2jpoNsP1x1CKQH1nHrce4BMHzUkpeUBAd2zdkrP1GUrrOHkH8SsjI9te71aY5MiYvI0Bjt53oZ7.FRBqAzGnSfF8G7S3fgzRq9uIvVMeDfUUP1t.PYxnBwwOzvJycJEtYIMZ3lCbzIvMYMkaI2V_DvoSdh4.5eKOzcZYQCEPqm01pSpmi4s4WK0ZnxCx7uYBIsPcIbV.6M3aMm9tkvPxPWV3Og13rhZCa53uQG8wFZbepI.cS50hPpkcw03iibg8homhd7axDkciCxjdogiHtw.2nAWCEjzbyBAG9aPapg9ePFQuhCIej7RCE8EOih1Uk94DSydVABAHI6IagmFjE7XyMYMElu7zMSgO5jA6aUJSrCR6EKI5CtuqsjsmyDtJOJobeiAVgyZwIw3Qypg2oWAstOn8jdj6FjmOMisQCj.m69y7xy8LH8NvsP41aA.7jXmnn656M0FDOh8I5iG_nsYSmpOH5b_oucuK5Gk56DGJBtLt8ARSPd2ZtxESlo0FhDSyWzj9WRsW8mVlyuWENt7vVt.wUt5mlLV__iO0hMHw6BZeIBcCrp6P0k2Ll_0psI_jFyvZO33YJP6Vqt6qwPtqQvS5vTgByB.yorlTc8P0DD1LsnOB_FYt_a.m9O1DjRI.cc3HH.gg8OkkpGZzjmoTjIVC3F1UKwOHK6MkhVsqyVxDQn2e7iRsf4krGMJGyo8V4qz4cbMTBWFRksWTrk6_QpWNWMPLMDeJcZHqNxVBTQVlSUDsMBQroBZjZeoZT0B6ywrLXnfoBKck1ScQpYqmU5Rt9HtpllVokB.6ilyBwvs_YdGxjqxAEJ6Z84I_MGZPOCFCCHN18NU5Mv2Iz0TY0GOANTvScKBbjHUJhVgqcIC1XBJP1ySPuB48rvAmRSm_YyjTcs5_WOql84U2bVYwHS2W8ZZoWcToewCWJ0wQzZtdEUyjZ.C9_bzVVt1zbx6Pz1GaR55CyjEOyuDO2.Jta95KKd7BBMK46SVElKmAZqhTOykv17pTFUB6NNLyOE_uuT159ksTWD7aUTHsqGlEV50BqpLQOwup369BnUiLb2LOTETuhfGRwwhB25uQ8cMPNINsCKpK5pi011cago9UUnsLeputBdqhktIq_rfCfA6BIouiJ53p4ErZFG79lct5vGBhbrH6CR8.LdycJphCjxcdak1pKlGOhf_.x8ZnaVE.X7YzsJTcxTU7tWlMnAF9RX.KSbXQPnI_EX5ZB.yeaRbBNqVgnc7wYtrn0.6uXJhviE9j5OUf5o_wlCPMWOs69VOC93zn27hLT.xQTl4hkY9j0wMK3rGx9UGnRjQD85AetJ2MAO4LV3ZxM51pXWE5slEOjnt85qpwI184QDlC01KGzXeEdXrhAmvBwWKu_t9VrEZ3HN6sGwX2VdQHmpiTMFJBWJHZq3piG5D.0k906P_72uIwa_tHKgRdjH0gP5elipWGSQdvCnqx4zhXeGjLd_3LjYpSrkw3DY0pe1DPr7a0WBOu89xqwXwnlcT9S9xjqwFKJoIVpbGApFhZZIs.1QVUn2rgrrWOAFrwoIyGtEqUwgR94cJeq6rJ52XJ8aR6BQ.001fCnlP5wpK0DZ5DAFW6POeUYq3aEt06pmNE0E_AFy.laK6UMOLzLOJwf5My3oOg1Lg6BfGWRqFA6qPT1g1g.JqG.7sP6z.XdV8qwtrhT4h1a8bpfLWux6nM1KBaWaM679dkC8IdcV2y4Nxzpb..l44Ct4nG.Hw1qoCKKVUwSZmNLvBD.vthnWWI3.RoJuwzgFmJl2.vhDPy9BmaMIaSrMWqyHXEbKcPorKX3aUZgy5EsyNPPymRKgom7y.LjHSiWlfRNGvfD63I4TL2bAIdQ6szRRnTFEcFYgTZLCkRwlKCRS0v1BR2z9s6eiVi72NQ0gPVfj5k4qXOn0Zk0B5eBlIyS_t02wO76VuAJQ83SGbIgkq6xZzm.vr7dYaXXdEjH0Hy_jATXGU",mdrd: "iw5blYmduQ1PfotZ1iLRXVFiN6Rs8mFiYDcYDmCEVEM-1739149723-1.2.1.1-HZZHTvVbq8kZrS2ITNXKUWiksVsSyuvEM_bQtZ1ajHLqTj63thRAsDLNirY2gLwBUunpSVF.HbUtkbAFzgZl_GkXI1ZDSPROEndx_D8cpDgX0VrCyxh7iVgAnbcFopX1KqyETEJ47YCkwz3T6dYCZwL044gEq2RuBPumumktYPY8e_mYAaId2.Od8iNWS05eY1ySb0WdjgNRGVYe9278PJ68v1HYECplKtmPLckVNyBCpj99fHzAVDRNcaTxlGF5.YjmBEp2djLnVlGXH44zOhcMuvZIhEuZeHe3XiyFpqx9xi2.4Tfrsj8.HMmCeRb5y.tsuAfgHjKjVxb8OB8c1qcFiIjlRwq3Lva5QWm86K1hj44lYr6ANb.2NnCaK0K3PyjIL70NCS0chdwluIgIszarLlANvPXtvHn0ZMrBaaeNhgmjxPdeaS7qZTxvH297jBuJlZ.3.b4m3hPgGPKMtTGv2dEWirmHMCkZZob0xplmXfB9T3GDl4Z1fdp2u6nSxMQnqeY2rvcB_TdNAU2Y8pHkMKeTLmg75_NQCsiunPxuRTAj5jxEKi6FBjyLHoTkIFEmee5gwJCCgWYyh3sFVsrbWirTQsxUq0u.h9uxJsqk1mmelnxgLqzEJlw83vBgY6xbwyp5sdEL5I2peC7S7KGuftM8Tq11GVS36C1wpTpScA._cHLEic01.uNdByEgNsmgluZ1MiJZNuriWM0zhuKccL7_lKN1XVn2ZPnOAwVy237i_LWs4g4M6zUKS1Kr6Op_Oa6WskxbT938u5ONAq.Eh2.AqByj6ejPzT5CnOO_q95zDRuHlnTNXqVRaT1BMtI6Vc7PQYbwImKfNt.y47FuM72N672jvfzELqnhbA7jZKyji2X4ARnYdX39R7gIlGhW2T1r7Gni7ZeUUaS5efGpkwl5attinlPpTGL0HPC8NIrt7eGi9b6lQusEOKg5a3fsD75G5VavoXI1p42cClIpSmcqKVkzX_K0y1LeG2ikrD4LeuO1GEirEinjdqw.K11m2RFefkYH.06ieUDJmN9z_PXkhbONZ4MFkSfiIiviB8BsiIP61E6Zmiw8TCrmIB6KovLmFAPs4LeQ08BzCLplrCwqnL_5MatdJL.0Ah.po_jaUm5RDZpg57iXfAT.HwXArqENu6jaKGtsYN9Ej9zZh9DI.OGJijj5nEo.c0.mv4Agh.hR3nHgr4SLzthwo.pZej8l324JuBkMQr5NieGswEGZXuO7oPDg9Te7g.qon.0V2EHjMGNQB2afMELAawE9NCVIwhUufXt33.lC4c_bG4c15E0QEn8AMZwuTqvdqjjVm8IfKfe31D0XnwkPwUCjjQLFxoNT0OEOdOFhquEuEgeJ4t2W_gk8GYuun6ZxyaPgg_FcvW1tFmISEvtbbV73fZNg1ddVT9la12KfwI9E81JUMfC8fuF9gLzN.DpxGuyrvDGPaESnoitNVSg7xuHZWiphGJTQa1hdLbiOBV_6Q6KmJBmpneWk7vYMFRVpT6k7PfG9PJpzPnESk7WfzH7ow2UrS4Dj2H_SLkDJPDmP1nIM3t2RWtZkU.WohfS7HKCbCNus9Ts8DrGOp0UJwv1dorZ_VCEo9ACTHQAAuqnT2xMYWdexV7pgY3FKvJQFVuNBISB0krFy4rTyJZyVaJTdED7On1g9_nCrj4kyUbLNW9PzmAgEyFXz0nNtKR6y27iiMIOgV09.Pr3rsTjtgAgaiFhl0eACfWrnOW7f6boBlArp2Qvl9g.GPQkdZ_KkK8xIGObNY8WOJe_7ycTz4bYkYyJytR5J5waMSEVF6N1ChaQ4oh3ojgUq0nfKZ.I"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f835ac39eb0a13';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\/1587403296?__cf_chl_rt_tk=irUEQWmRe0QiggIZ8SYcw_vz9l_PdHQjjvffL1Yht4w-1739149723-1.0.1.1-a4bUOXrPrtEH3SuNJCivlp020.4iYcA9LB1WZTAtffk" + 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