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-affwb243a.mit-edu.top/post/1065749238

  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-affwb243a.mit-edu.top",cType: 'managed',cRay: '90fbe60a7ea50658',cH: 'U_xlAc_QR.Evs64o.8beoi.gvFpKA9hacoJ8nyjpdqU-1739188404-1.2.1.1-891XwMW5lzszVfTL5y51PRWp_F2dk8OelsY0Fp83pb5syzfdo25BYJclZ39lYSbU',cUPMDTk: "\/post\/1065749238?__cf_chl_tk=Gzie3djhfUaffYZmJBX.0j2.ZGooQ4e8eo1JmP5qK00-1739188404-1.0.1.1-A9gxM27zKGLU64lFHuL6GloHVAB1KaJtywjicip7vBU",cFPWv: 'g',cITimeS: '1739188404',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1065749238?__cf_chl_f_tk=Gzie3djhfUaffYZmJBX.0j2.ZGooQ4e8eo1JmP5qK00-1739188404-1.0.1.1-A9gxM27zKGLU64lFHuL6GloHVAB1KaJtywjicip7vBU",md: "ofu_trNVu4OelqYHDVPJx2wnI0KE2cMYvCbml_CmY4w-1739188404-1.2.1.1-.ySbmmdjCQlp9PT6howsZwjPQSe20ntrvNmL7ZA1B3Zl_gfUCwM_Gt7CVq2zZuWmRKB1BC3xaYhQPPuhg75T8ciqxj3O9nr30YGQFsjWEriAjiEMu65f0Gqge9zwl8Eo5hTV_0DiUkvPkTvgSTpTxibtlGOH.Z3rYjTl7thNo_WrR1jDLgucD_yitYJz9_S0f.Ees38AqrETnlvbpn8HShO3fojvw.s22EuXJ.BWi9M8BMaCoQVlPKIkQjWcbHV8sWhIPKAdhhJkyuVUpRnK8xBprOUJmUuRrP6x2JA2sQUhjtkUhJ4b4P6lFSKUL2jZIoEJ4.bXKqrX4jfuPUBokCMvgzieFlExsleCkoq1k5AouomeUh4TFOj3A1xRfUdiwNv902BB03IWdytLuSA5gEdoWSiXhZlvueh4arPiegAjbkP_oHvwtA1A18fe8RJPj.rB5mrXBV5wJnaGmvSs4W88h_NwbQzx5p.wMK_9CdmxxroLO77GItHD2bIVopjfbZ8l1SC4JHu9c9AMRzSWddr0FtaB2Zfo4DsRmRr4QfysTaQ7cT89AKKbIYAu4_8bJi4cOoihQD0J9.O_C0x9t_PPs6HdCtZZMNY51KSiW4ZXuzJnHI5buK41lXbWQQOIIB711qsJbgdLfCrVpeWwKd8axUgqEM1r7RGiVu4um3NYS0cihunr8zonw92BRABWaoKkzbbKvp6O_SapvUUL81lIbUSnST8RkrKU6njrBPWaRl99Ocms4KrrfLGLd7pInTZqKOLuobg9ktHseEil1orVHA2_PtOBM4quZ86zWuEnhi24c7DM8gKnvJSKdcUduuNIAdGlOh4CHkgzl468uaN9E5SXrx9g8QhhZPNvq1vwE6x9v.tlqbLYeQDsKvm6nVo1oJItBgrcti3b1ZNUx0e2TE2_5qc4J3tSVhcnoPtRY05SLbxJiPtKgtFV4np1_u0tYO5Xd2WGMks0PZI.Zs8dIM1j5r_.qMtpjZeMwCi3LJ9Xz7N9AQb9tgrJNkC02SV7qpYhGEDecvGQMqo4phoLohaPXMal2jfWkTEwQx1hUMuSjF8K5P70kCtJwamAvaJZkFQx3YsuOLrvruwgQbBi5nLdeYmenxH0n8JC5o9b2.Fr81yLouT6WKQ603_ODv6k6ylXRZ7bQXlodBoR2Oo0WvEMPo70Kk9kezSBlcDgwoBmI3C5V2sqU8v.VKMiRvNcE62dwzPYN9bXnrzrrpWml7o.gKTOliy8eulBUTLKeENPlmZ9LzDUCN15hN6YfImLBTpegz0hBDzbr2DDwOGP_FlhwsbSqt42iOlmvi0Yy2sBLcYuSnDMtsnPLitX5Bwlx0YabRAJfb_kxi844wtY9fCJ4CtZ5TgjOMosJEtvRhVd9H6RhiHO89OCszGM.sQYcV8oBJ7selFmKgbovc_zVTUWpMlKaqVJfn8GQ8OUVQkJ1fit0oWoUsDZX8RJwMAAkMaGe87.5Z7l2v18an8Op0GH66q8NhN9b4SRhZOGwkUVBmiVhqt_7JAcmDtFrOmUKkcYtD92DOyn2ygiYwttqKUVDFtDUtFN8xPjy6rK4Mwqr1za01czwBws5I4zQGtub4yy1gFQBtTPI8CbG5nodMj0ectuem_EEMVzi41EwxELzSX8vVmI7sYHq6lfGNKSoczPHkiWnGSGfSDfW1rdXP1AuBWEmuJZr4NxMtniHotlfxTHSVEPTHwvZGgquXB8SkEDIs6VtoxbYj5V.d6NnRWUcFrK2aTetot9LWGdNbJf43WmU8rEZKZ4Jg_W3L5IHHQK2JLzNjR1CV3dYRVxcJ0.WvnduaKT_f2NYjPKEx7yS6QK78ML07QD_5gi2GZUAgceoi.XN6f_CYRSbLjiIgSZ5ojTPbbs4pYEU7Qqeyc8aWmCtdw6gJ79.pbPyiA.xUICulflaQ25tIrRhAJ9oJvW5JTYD8KRwEf5A9QmfzZYWNYhZ_lc12zE0dvIujDruJY5eYh0lX.MaCjULTpzmeW8ay8Ww3DPvkJJ5h0LTFfiOJcOC4aQofBIjDkZ9OaMpMHdERps0KrcOf6nZUmlOzdyQ0JPBUDINemthPe9OkL3E.Bl6uzbrtEwWCMtMQPG_USi7Iz6UdG.blcyIyDhjAaxpdgLGiGDKJfyIjWoHEM5v3SM35.9I7Bxwj1J3yYAKGvfDsOR0f7zm0_yzZaj5K65iwIBEor6YzzSy_Zszg72StJ.VJgYf836mtPp",mdrd: "y_RbDlSDdFnNjmTF34351rAmmJtL7FVaCOnyxTyJLGk-1739188404-1.2.1.1-1CVt_p5SGIWZ3aJbHoXAeULiw6q8FEKWboTGesnRONZycpz_q_HELn1ErA8xbJWLBfkmUU9Ek8yV4fUwZjoU3sLEkESwE75uZiiqx_cx3wOIxRyiGjdYoW0r93gn8DzPYIsG5p0315lWV6JW8Yb1Bs8lFQx1UMdtECS6EiYQRyW_fAvuMfe0PvRKhemRGqL7hKhv.1ygNo1CeiqdMSwdcZ_PPd5MZ.vZfCLeJ_a_DVhlxKia_WeuNecV7_qTJQVdNznUvp3W1OR.mWh4yXWCPoksdnK7gXNhNwNj9z.zhertPLXbjqRZaos7bUQsHX.brsTrLQm52P3pTG6AzpRTMiesvWwIRFNZoz1hqiXRkDMPEF.3y1IfgyxJfzCWcjWyb24oOL83m0IVaYgRFJDfgZKO0hAbSIee9CzF6RTVx9NKkzzFpvvNuOd1eGP9I2Kysm5f5mvij3nqS7XShLDdGtx4gAv_A6KNKGSdp_Eag3g32JBJnO11giIJMmjIwhTW_9R34QYEONc8HctvNV0eg1FZVLJgvbJZsqF3sjosc_sy.7dqvv.gJDTSrB9sGf0SyZTddi1yeOaVSAqO4_xIl9DiqzDBt9dPB5vpTrOsYm_hcTdCaMlss6BaBrPahLK6b0rBKBH7SCsTUdu399M1SsHr48f0q0QZtjJ9O.hKnJCzbTLPLpvGDTbhZWWCW1mdKW2Qxnhv_Y.QzLNw2BZehochTke3hIdh.kO3sAPC69duxvwl5oZaB6GA64eo2nXAtlrOHkJBIux5S5z1mp6LC5kSwrJIBKeYfDizUKwnONi4S5_oq1q1SRU4Fhc7GUgOB3JVxtw0QnCtk_xjvkceB2NIAH3po.Eakyt_2q1LShW9qty45l8nqs.hV9qWVBe7dL7nXPuviuNxm6FyHSfy2hmCdmByNUAg7EFk7NxwuKCVWcK0IzA_VhciU48uwYxTB4zmbC4IAanT_D9d5JJuhPSm0KK3VEsN2.xblU3rdWnBcs8uXLWXWuLeju.WciCbTuA_LdLSAgVmh8Wpk_OoT6yCO0arLR0.IvM85_tof2rYt3QSkCYWzWai6NTXBpiJJQ_MUAJ.WDEn1g7AXE1UaPDCg1F08gqkWhDY8xoep9j55UWWPLrk6KTY_1qO1MihPMri0wkt8ECnJKXMbfiutSopPv2Zc_QduaKSEtxFfG_fknZHH6R0aoOGp0e.R7j37OXvo4NWeNSiIw5MOD9wGujlahl9OJw4gkZDfSZehHsKh0xQ4JFpkKd1gXNhmSI3h4iH2p9YjyRRLpYGLgQ0YhvlsoBBvmeCH2HBHwfYSrdXwTcY2yWW5JKvLaBbNk6.PyewDgpa5LgBLa1ungo1gjxGwDdsM5Ij_Ol87xEwp7NIOoca3gRBb8wioEQpdEv1Q.BeUVl7WHAJWtg8PVyRLwQb.28Svs_YE40G9p733k2loz7uhwufspIVbeCDtBcK7I81AgNysl2zS9F5hKi9PKR6TnkP6MmExTEl8RUKl4dLZmPYhfkdWp2FawJUvwinn3pejvaPKtL_kxpdzAPdSKhjIK_NzHILSf1orhNL3PSHizcl4jntr5Fr1JDmGhu3Q0LLXo6mU8qeNs_BuA2euc.z4M2HvRp7gc7o.DKboMfqA80WS4cw54WXZG3CMMJeXYiYqSUTyFj6jhXjwVRN73_3VfUdMte0IkaOmjYpkjCvjt84Jzyg0XRoy4e.4b5boaid0JjqYiQ3w0HZYGZFTkbhpcnrVWUcmdkK2tnItuh3amY.4y90iWJ_EX36kjktKmSNYekbovzbl9.FnVHVGTgDZwWd_2GDr9oqqzwIBRg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fbe60a7ea50658';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\/1065749238?__cf_chl_rt_tk=Gzie3djhfUaffYZmJBX.0j2.ZGooQ4e8eo1JmP5qK00-1739188404-1.0.1.1-A9gxM27zKGLU64lFHuL6GloHVAB1KaJtywjicip7vBU" + 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