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-337072233456.mit-edu.top/post/7839156420

  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-337072233456.mit-edu.top",cType: 'managed',cRay: '90f7b2ee19fd57f4',cH: 'JOSA8GIpz0em1hRV6C_kwcJJ5m9U1HmIItQmeE5k984-1739144368-1.2.1.1-cvRHBUgbnHDY5eK75wJC5IMHsVog8NO6lSU6STbeNyDPXjJIftZYj_ujEg.5Hvq8',cUPMDTk: "\/post\/7839156420?__cf_chl_tk=2.mUzFmmICpt2tCR.9OgX_KBlQ5CEhDkEpkQhcmhsd8-1739144368-1.0.1.1-XrMWac3yAUeuNRt0gobHhpLmkc5KjyT0XjsICbVtTLo",cFPWv: 'g',cITimeS: '1739144368',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7839156420?__cf_chl_f_tk=2.mUzFmmICpt2tCR.9OgX_KBlQ5CEhDkEpkQhcmhsd8-1739144368-1.0.1.1-XrMWac3yAUeuNRt0gobHhpLmkc5KjyT0XjsICbVtTLo",md: "WdibQ7GilOD.IpDbGY_h16v8USCRhe78R8bbQZkuQzU-1739144368-1.2.1.1-iG4JbrAVJrpCK8sEynov72lKN__II2W5ESlMC57y4BEewRvSn6sbdUWaT7hFUQ5OhiLcMMyIMHBIEvSRDBaBhVx_BO8pW_ztNifhFkG.YiBabQ6YA8YctFDqWKjrkcpgarJs1NyzNG60BbgKCp74nXvQR16COCWG_4V.1R2kTytAOVzDBcZqxxv15ycEMJgKsnh8d33RFUeJJwl4ZpfpnZvi1AYq8bpME_KWqCkKbKtI0Wfivz9muNH6kSlBGHYgs5lvJX1E0hPN5RI6UDweyjYEWYkS2Z8JaVS3oJmvBz0jB6Kct1FslSsnoWZqeL4Tt1gEONvtaeTjwlaNcSBWfScbtRt54QU_4E.Dz6XGKWpTi7sHtIkczCPIvQepFFBD195P63sj.z6nGeLnRZnkOyT9VPgaGiF_dTzg87i.puP5zBEAXUBq22bL7a0JxzthepKdmwhC9CSs1.F3jMKU6u4dkFfCat_NbITm75psYNn3UXzsVtMmIUoO2ZGwbUklY9MpMA.PHxNlMHD6HljaaCaAgE5hxwWYWcCargTfOOcPxNksEtFDqKcEv19hhJzw5NgHLUaEj0R2mGE7pLs7HeBxOxMWJOo7ZNacL3RJ_vCWCNhlm2qVPOqgXyUp.MlQsgfvKsMNUuJw37_RAWribJPh6flT4hCN63NzMhudDcoZogbQsbfgc.LougImDFJoaukVyMS57eMplX3ffSli7rvuy8mQzx_TM4k3sq8DfmhQxh2kgmXg_uF.h3r15y3jOOMuUcAXZK6QT74XbJVvKB_jVwJLT_53oHul490aa0Zlnry6ydPSvTHO36mIcq5vZ.mNxgC8QnY.eaRrtsGTKgBPoAwe3PqrIxN0y5ZireRW2MiVFOpAZy3GvVBZ8Ypy7jqkkbJ0UcmPbXw50uRJJsz.X7w0Ro.i5Gkts2FvDVyaSnlLp1bPHjX_hbVE7iv.9.Dftr5a4gxrfj2C1IlzyzBMJhV5ZnlZ45R58_RMfZoQ8OXYfQzxzRELt0ehTaPNW9ofKUOCyyWsmROlIxYWYShgqM8e3jUntslRhbn5lGE9tT6pDIj0tvqE2B8e.yb9lqtYBBUmGikXXkTnJLjLLkyXd8PoQYBl1cnUYtUFgBq6TPnkbpcY_Iy5yAby_ZfzXKeHhZMxeYkIi2puG7Eunj6M31FlbJe8GDkrm74FWnl2tqSZmnrKE7fc7CU1sZQtFigBgOD7RHrCuW7Hmy7yHAAjK4sE_g4A6a8qNct5p6XUKhypRobqP9H84CG1hPLlSdhEKhhhcb.ifFg6APhedv4F4JjKXPCmTzloHDxjeHNmZJSAHgqusH9JawWq9x5taB5F0Y1oiVuvq.t2yvcCgr7KDGPvp6zOcddgEAxJqpNJ.Qhc2OAvHMHBUtWXZN_OyRKf50y5gFA95U9SFoc.A7MPyZhjq4jinKV5Zg2JwVEhwErlR.MUjirhx8iaFWAmeJK4ZNg.IkDhgDOaJ8g42rOamUU1_bxBc_FP6aHpMFqfxUHcPn7L1qZYTdq6.jHkPEDhkLB_nz3QtBm6SV.pg51ZDe2Pp0wNoiAdE3eZ1khmq.H8_2ijiRJsjdLZlkEuuNFRPm.fSjck2WFmNFuYkTrmguX0fu.o8RpURLN6CgJTJlsBmnXOOZhJeqbNkiZZkW6IGDXqpHskRmBN28qDgeosPVZ_gfsn3GB9rhqN9casyHlUeJkJovXe2JaxNj_GhwFnSo1Ohm4Vb2oXfmk3V2fzyFxaTgx9fv195EyDqhLIdZWEcVBz.eGYy8xAnMEaQtsHrpv.q4AHprhS9jFwl.9ZQignadeblpabOR74QjN86mF_qOqC0Rqn_vSjqaw6lKE3Z7Mj1efPAVN7BqTmFznYMPyr8YT8E5jzvLI3ONzpaMvRGM5ezKPOrK6DRnZ8PT9G9hOb4vD9GL222BQKrph2a4pfEAMEx5ctfzKyZL1ZfjPBkQS9VhlBEFcExh8UlLLGxFu.9.4T2l2TE_d7oqg37mLXZL9CRJBuDblY9mr6YySDPcX.XytNaXR25bHc1yIlN9h1zpPibR_pCIYT8WNhzh0lrmXBdPRbka01XhXavS2FmLmuboSeC46.waUU72gwRnxF73Ax0ZtB9aR_LJ1TDyl0KfJRdyX9BE6osQBSguvcJ9q4gyMg8ORk6a22MtkZvz7WbQEvFkmxuduJ.PKCz9SVoug85ySy5RHiRolcbHHvy1LoSpoPXAz0usaF",mdrd: "dWEdWtaOSVC8NFRSO9iysvfW5uluhQ8skTNtjqeGFK0-1739144368-1.2.1.1-9vd1rlnKQNB7ct4YKnL6yavfUdmUGkhz02ggVxt6tI1w7eZLmSo4Pxk8Ty3i8mhQT2AIXrRcnlDBly_zdASYuvtRgRG8vCH2QWyf5JwEA_zxwnS3yQWJJ2Fv6vAU08WwV1Bcqe_W3Y6uQds22gvvfZPnB5OYlvil.BCN4xsEJB2TNp3YfICrv0rU0zEQzvDjKQiNVw5kRzZEElYosIRDSYbDRfQs9MuJklcNX6hsNoKFGXfDzJFgRcqHNkFxeZs6.dohAqziByYtpZH2XGnQ.HkPE9fC0Tg3g1Q.FY7KHcdxt9TFnNMfjiybG5alrpBCj1i0z0kvbcvgPPIoXjQY9VL2DjFSjLsiUB8e3zjH9NysDebt44Tpf35wthKXng_Bcj.cy9vD2hz90PG5OxW67fRJNudq4jfYsTExarqw2sOrrbnOAURr4yPsWddNyS1HpdrIwbH1LOTnV1Ch.Gc8x8bXY3wAN.yBliBzilYm_aPIBOqZqq6i89mlJxXYNTLDTaGtVRcOggkkCynCncWr0wR5xnlGMLjKUxpt6Bq3OikkR_M2VW.zmjP6bApP93LGXuW.bEZC3gC6wcGPOcCnfuzDJ5GCENlk_3apD1X9Ez4vPB__DxcwPapKqz1xcQfaaNk6bHWIuwoLYp4d6dheIDp9cdimX5y2qrd67GHqeZXBABpZpNqjGDP72odLKSgqEkXNjtOSYeIciZ_kXzNww_y0xK983GGCMJRKa7BxqyN8._icdAWRn19SYFJwSWeqxeFwyxbGGyMjcpOwtblL162u755RmCt3EiLhSYJOFwaJhUX5ynx0k6kw_Ao.8VE9J1Y4jLCUFwC3kk_E2gFnSv6h5fwzf8ZW619DY8MGcQhq5o1qut3n9VnI1mOn4Rg69Fs.2.hMDFuN9z_TJNpn3wf_1hFqi32HH.qLaNI1yRobiN77tq3Jnfla3w1umtZr1HZe7y_EV2th0zkfJ8e2j2Q_NXtCddsj_o5vGTMRkScVaxuOMwOH0V9NkNkhJ1fsOdC268j1.FxauRALCgeBN0xEOthCgQdU9QrJLutxMfQNN4m1MyukOVTIeeX_xvSWc5VUAXlk.2UFCQR9c2wCZFq8wEY1UI83mxRZSbs99VLOf0o2UB27i.m4tu66o9BBvkWwvMiB5mO51yiK9uTwbQwVXRajW5CAqkL1Xr2gHPXhshnxgGB.CK0CMrLsCMcLJjA.e7cow0YF_vGW.x9qJmtZFQViDOUyNUsGDGLm_ERJv2oChqQGqU1tUVA8KB9X5oNyFeUB3RWP_zjWedqp9PL1EsgLQcnlKLubLLOznyxfIYp3vZIitGX0dQTXRekwf_jssTgmdcrbJ3rI4HqJwKb7KeZk_cMp1sSsS25cxj2m7x67AgTg4FKqli_R1HxCTbp1NbUCI926u95y6zBL0M7uDc3y8lX1_79Gf8hKpYTZ3A8rdgCmDyzd2E1r8LiaKWwZQtjEYcu07J8PexWpkg_..G7n4xuhbyd6LnREtJtgqL89Ck3dWJcgstK1douzJcb8hrhKBuyUoAl6J1HSRWTn7cBtraxdA88DwYf_eSWo0ccQhxUlkHV4PJwgUpWQPPy5ieFC8PMLu3Ts_JbM7DyTEaW8RWB5EYJI5buDMkoq470cHgLSk.6c4CBCMfbr5k1YI5P9WEtYOj6pqXw9E66bjTnDfUXA5pd3xsjA69AC9FecO3CDkUfogvF5g1jyI7bFGgfRIU89o3zP2eOJ7r9ORIgSkAL1h4v7JwTsBbJn8IwIHz0mKwWuTy6H3WgD2s_j0x1Sup1ow1VvIPSN0j7z2e2LcMe3G.73aLSoFio"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7b2ee19fd57f4';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\/7839156420?__cf_chl_rt_tk=2.mUzFmmICpt2tCR.9OgX_KBlQ5CEhDkEpkQhcmhsd8-1739144368-1.0.1.1-XrMWac3yAUeuNRt0gobHhpLmkc5KjyT0XjsICbVtTLo" + 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