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-378762576383.mit-edu.top/post/1793862540

  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-378762576383.mit-edu.top",cType: 'managed',cRay: '910f6f4d28c27b22',cH: 'kX.VoHYGiqymIPgHHCA.HkqRlQocgz8sl.CjeSsmWMI-1739393256-1.2.1.1-YNxpiknfgUk9q3X3duvG5HoxLKUty5MxQoijsd3rif2Zh6G6F2Y3L6lTRABhRljb',cUPMDTk: "\/post\/1793862540?__cf_chl_tk=3CsKJIReLMwwXEXmGVIvMlU9nT9.HdZRKIQo4YXTNRM-1739393256-1.0.1.1-2hm0JO1nKxnT8iySmwVr_LPzMylpON0aGM19Dj4qaJk",cFPWv: 'b',cITimeS: '1739393256',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1793862540?__cf_chl_f_tk=3CsKJIReLMwwXEXmGVIvMlU9nT9.HdZRKIQo4YXTNRM-1739393256-1.0.1.1-2hm0JO1nKxnT8iySmwVr_LPzMylpON0aGM19Dj4qaJk",md: "Y_RH3pYENzQDDH8eTnF9wUfmhRCt3T2rFNlT3C23LCQ-1739393256-1.2.1.1-BY7tqd__r4m0Fl__vFg5pwp0kfdvSy29qR1OvFlhkC3NgKeN7ore7VW4SnasbqimtSdkRHZ0j1A95yS5N6h37yNw0wQAcULa21vW8_b4T267Ag4W_SuQD7MBmKJZ7lL8YIrhFOT9B0GrRPFdLztFGS24oaJuIachKznbwNtI8c67MwK7Y8R5QO7NaZzOw5Xj9Qwt_HcyJx5mcBysmzcy4c8HZeBKKWpc3uNx4SaXc3vowzIMqPnXiJMgg3WweGKdPwrN2pXchv1LGG_YQr.eIxdJmzw3wMu6pYarpDpYUjo2W0urUBYKItOXmltcev5taPJhwBqEobGFd2TLnfIv4fOZhzU5ugD23oEZ360N99duV50JKJoQThKuziSQYV3p1EcHBGIPiIVT8GG_eKO59be1oZLNIqjpoJ55K8BEAoOCjBeTWHrL6VpJfXRpaVa4zJ8BwiqME9aRW2bRqDLTOtP0sykSIu7CJGRi8YTa9cRDOpX7cj9tW_XBqSpttwULf8Jc3eIqyIhsCZYIafS.VgmlRq1MZO8gRDk9ElDE5s.fnL_gskelqZFG96zDVpLrY_tDaTxPrQ93nu3Q6GWhHo46Z_9wAQ919pJL1L4aPRhNw8k6pP2Q8QjFmMtS0H8UImriRaIFDZb7I1JKwC.l5_W8vjMbC5OkqBG0Xz2ThjKeuxhD6FpGMRP5KMscaxfDNq7.Ab5HPaF37T_w8sOXvll4imlUu4KS2L4.Zl.7TrCBzQve4itgzmdiks902sEDz8flkVoCloVc_fYFnF20LtDN3mA.xmSJy1j2BfxC37bc6nlPyEaEuqaLC0Yui0WWPEBNhaQXr7FZ6w_PcY4ZLiAGNQHCPl.vxxAkjXrFstFyxZ94LfRKC7.CX94H7AK0WSumMNtcgN4crZOMqajalQxH3RFUlMNB._x.BYXyxdNBz4EO6r1oRteQo_ArK_Zndgi8Qfww3Eutw.GcnmZCvfM2A1Wuwmqg9kvJhO2.wJ75u5iIP3RpXJMuE8S04.cYNqqWdG2r5Q5Zsg7E_BhCORN9F_1BJ0Iwo3DBAIRk4eZHd3A6n7JJ1REhDpuvmdrOE.g9raIdjs6EF9v3nJSrFBmfuow0XoWkxnY8hYdjP6PAii8pJZODv05jwrxaErRsDvrzT5y14gEiBJFGYOjVLt3l.kvm8AbiFpASdLo5DrWmi6DJqzK23Ab8HJShNLyt0hKkP_RroORA9_BkV4J953gxrpPHJjq7Vxj7ulNHDrTy47lDHNDDPB7W7lC05.vLBaG7DK5mXXFlCA9U3giR3DlwU48JXJB_xE1vy9Fzhvfj1YtTkG98XcDc6lZJJqnf2dtZrRD_8TRBIbqXaTLE7us2V9mzRauQcKfrCogOqombv_cHSxNgxQzLsgIa3FGClKjp1lL9hpnATWcbtR0rO_E3wJBEPnbxjqSjTz31ZVpDrjDcT5L4VusjWXI7h49Krc_ittq2..5i8aneP0WhCs7PaZODIBGcXqT0OuoddH6esklQtXnehhvdshDgkl1oSz4.Oedrla3ofx5CH.LM2I71DmlpF8A8V41EPaZfNt1TL0T9FPiZB5Fl.tsQLPKsd2nUDQMEAGRCIL_iAU0V1Ldr9pv7w0xIsLtDjxX5nmI17otKcVvqVQp_qufxr7aZZwnmSskz9LIjXZIrKJtf2b8t8VXG.fY9yxmQkg.C0PTutHa1wxZG5uWspBX6jhSRpratXy0xsQmYGh2UMxaGP6ziz_VQyG5vX297Ykrp3CZEVM.gMqV0zQYjil84t4BaL8UqIox2EhSCF7WeOo1qeQ3rgg3pkvxSI3.KafAqs.9I0osF9ha2Bhs1mGz02vhFmNlGR.Rc5Nk5mhRw3QfBo8g1QGoQClyy2tmi762eKfu9YUnIkPElfzNGACmEzhrCJsd3k7h4s4BbAYA.bau0.a_yGjSLMcWEbZ3_4jjmgrRmRQ9e0XMtLTR9WocSWpGg9mtAioI7rn6t_ocXxNORtuTapdrw.6K5PH7Bazd0ountOB5FcSnwH3a3.mIBQKBcNNoCbqnZ1_CJ1LOg4WFe99QVdu_iqhH1MwZxzZViznwjOsZBvg1AZQBGuSkdxW2Vwuau9R8HAlKPljjzXfbjKceyTJHTXrClFIIgw2szQ7a5Nnn0SydMo7QJjk.F5xBZ58GKqlAFgLIQe1zjWTu16SR.iCwr.MUngm1mtC0BWvm9PQuxQ_XUcolo4GeT27UJ",mdrd: "eWLuK6Ze6qQ1H2FBPX0M6KpMi6ePztwjdNn.A2vR9SY-1739393256-1.2.1.1-98oqFt55D3.ENr3ob2t3jJ76jMKF6CXHvtJtLreL15kixYoz1707SB3LcgctKxw.v34qYVDQmxmPRqbOrK0OK_WCNkUBQvSts4RaSIqZHzI5DjcvFOtHY_sbXO7TUfj8AoN8nqlVdrDCDam9ZleWnbxkVJhrqUVWirHKBr19BGF9rIuWwZ5q0ib7cZPp1i_iUCb1C34kCJGN4P.VLFDwOyC3Bm3TaOwvEw2lE_PaLI.53LFQXpCL1S6YI.FCEa5UOt0Lm1FavLdR_IdbygPUt48wE1B6cXEFV6HltptrlsIqXPBV7PuVZnwWoAizdyJO_EpjD.nVhEr6WQvwMw.b6_dTVRd7jtYQ99Zgrg8zJK0_IjO3BUhnLU_wFkIRNBT4_RJZCEaDCLY1HBPtyPmT2Sjs71rXfpPbbcAVdlOZ1gp0qqicVYWwieFuQRW6ztC1RgFpFLmLHHSqPBz.RTwQaU5USc1yIFuYXA4j6bm_h7xZzp.qb5_5GPVbWMbUHLHIbc9EMFLdES2PEpFxD4nrCP_594xlYFYWs6FdpZjP55tbLQ5OGfVAFpZq7BDKE.E9nqOe2uE4WMoW3Z94E8QJxOw1OkNnWxdZYyW_TWEVMJAcBPtRQMbL4aIlCP1K.RxFYQopVNHUzkUriozbFIxwt7HVq.msSZTUqUS2X7Pv4ylE87qQNkY7aPfPri7pwDNeCWtGf4D7cDshMkkWpRdMMdYPPlIG28MaM6PLxwj7TvhRDf07MehrNETkD4TdNUcwSKozrIB5UuctW_YISzIdWXQJzD9EDkr8LrztEnO1PZ43IFdlAtab584E58d9qhTG7NN4U0A9pLtp8Vdj3Rccw7CbmPlzrO3QQIL63Ta4OIoOHMyE1BUPNihjDWsvP_yutTrGM5yV2CMe6adyekn0v8VsASNCaQTVbaKDfmjhJs_b1eb4lgwHHYVPyN5SjRsvtEzCexZzc89HQ6G_6YyOS5hjnAtIa8rwdi0Idc.hgBGKuWu3A7VKIuwN3gWw8VJnZBgJan4hSbP1K7DwYqu9btb5xavGyI2cR9l66YtM7c_XZD5fMOvo37MeXzQSuALgfXHi38TojWSDOHlb2Tp8vMDjyWoe.rH2uGWCgPV8e3PLwWsLRS64vts8N0ih.XQhBGE6nTIrkiQYNJ9BVSMBDnlv69kFu8z.NKv3EOlE3ciHoqvp_qh7l_XJ.Tt2RwY7QCTMVnzz2gIbPw9BmKfIAGc7bQ7sQGuNeBw4Yze8ZFO3m5Lhxoh5u1fuCl5Ee7BSPbDd.2T3EbB57NG4ShCmOKXy0CQhshZ6DEHigFBglZtoa9BZ7nPnh8EGpTSUZtgyHa2ii5M6TmNpAeK7TUz4Df6r.hVmxKDpXWr87Ok0E35hwRPtxg9XtFDQ1TL87L5EsKLLpQP737MVHgDJvxBZt0S7XTYJBZOgf.brZydm8PXZGjUVjIqNzADMCLzUTeWy7pZzjr1L0HtWQbk1Yg6lVAS7tIOBEgAZBal50HUPlczKQ7Rzn50dVcR5oJ3YVLGF_xMi_jSuvVq2Yyazvg.D2jAg.YemnYy3iWvK2YqgyfhrS9Qh_GopSVi6JEDOUZdpcK4mYFyZbrCi3cXuanq_5y23w9DNzUtPKFFKnO1LxGUgWynSd0RC09W5j.VX_RphaJF9B_XrWOEOeky.QZ3_upRMFTnSvxbXFitu5F1nvKSpE32mrEb_HZC7artVIzWLdhu_HWoZvOEvb658s2DJgWpuW35wlgtDrv5chg8V3dYTFUqspymMUo8bHUI4XXoT67DMX5cnD7X0_wmPJLyLeQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910f6f4d28c27b22';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\/1793862540?__cf_chl_rt_tk=3CsKJIReLMwwXEXmGVIvMlU9nT9.HdZRKIQo4YXTNRM-1739393256-1.0.1.1-2hm0JO1nKxnT8iySmwVr_LPzMylpON0aGM19Dj4qaJk" + 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