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-187288173644.mit-edu.top/post/2145907863

  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-187288173644.mit-edu.top",cType: 'managed',cRay: '90fd07c21f363b42',cH: '4zK9D5wWRlyDEHdmonpOuhCrsr8O4p2C2yrPWijsmwE-1739200271-1.2.1.1-uwQbBQeK8UD.DkMF_pnjWygEeDHKhi7F3cbb_nvH2Ff02j4RD3bRfqARzI2pgWrc',cUPMDTk: "\/post\/2145907863?__cf_chl_tk=2X0NMMTW6fVrh70JPHXnf6wPz1MOxHhOgZdSZs114n0-1739200271-1.0.1.1-T.mJswbER_ileOfFH4YyU5xMIIeIzROhwvql.IbaKoI",cFPWv: 'g',cITimeS: '1739200271',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2145907863?__cf_chl_f_tk=2X0NMMTW6fVrh70JPHXnf6wPz1MOxHhOgZdSZs114n0-1739200271-1.0.1.1-T.mJswbER_ileOfFH4YyU5xMIIeIzROhwvql.IbaKoI",md: "FreTrMrEWLvkV5vS0NCx5k16dj0fnW0egbvyvL0E6WM-1739200271-1.2.1.1-6LJUXUQUt5etZa17JFdn2WtxBBq6QxdmvRVR_dqa9jEMaKDY4ZCPqiO8_b_NsFJoacJuP4Q1DWXUDDqPzznuKw26bbF4j2sDgno0FaCT6K1kEc33n3_GUP7V3FlhHuNRjgKVjB8XnsXu8GZXp.3aH4f9SgEzax0pxrvp9.jJjPZ7dFiD.mvPEqiFe4.AxYfm0OVvDDdl98KwJSHf.uyvSznXh_1RhvXQ1pIi.f36rfCA11sqB3oPoxakwJ.kXm8Z96DfZKBTAx49h6wzUVIE4MDxOcTbXU9pUZKpKig3Wf4a5TRs81fxNbynDctWtfFsN.KJx.OzO1fLYzziLpyKQCslYlp_SU1W2WO8N0dn22kFO3SLItlDp3Cvns2P.lTIoQmaHVmZPop8vjTpPCL.ZeHWYMBTIIDjypatTj3ClzgbQiD1k5EPD1DzBDbdYRYR5EeOzF48wH4Qt14Ewkdwmy5rd7DWIqhJmQc4O7s4KAdx65roTRAKsquAbGNnBCSRZvLs0Te2z85EOrJ4IhyrqzeOy0ciU4EOZWKCURBwra_13RSWrYJBpiL.wUqUa7BciwZj0Zb_B3FW5_OUxcTV3STnmE6jjJZ2A7pHjp0NJ9oq4MR1qg53.6Sy13bUq75BWwvOxEZsa0BCMNPfZh_zthrvFBN42I8QRwJUer66FRVKijgkuV5RppCQWrC.kDJ7vixf2FW3HfYweSSyZk9CRwQ3cPxm094WOYn16SlkwtCw2BE6S9Y2KEZOdeCJpHBMCRMWSPHFHE8BAz4eHFeDZmziFDUXeySxwtjcFvcRSQIByCalcuY8cO.Fkf3awFE4VuUu1nIoUM6iDL2Fh9XnIBmlNlo0Ya_RCPTG8jqVpewcop6ngi_U2RhIrXXEnaNfoMRQny02Sarttf9NmhfDUauAlslphxwQ7iPO6DinCI9Ypk1A9nGPOA22YRB.ZKCGPK30Rn7QlVoDUjBaheC9GcK48l5K_dYBpnydGwELS6uFvSe8.LHGgMYaQsHt.3io8gjE_RswyQDFMqA8GtjlHlszNlZoBdkpQpwdrhC2QSWf1TCxYAuFgTTxSxn8NT.r0PXjY10D5g.3MHzGaXsyu3MgB_Zg85tepYUnABjJ07ib9w9iN0vwkwRlMvMRB3p8G2BVBspi0hsZqcsOxOS9Pw.OSJfgcWxFCgcyvcoH6eoVDizIjr065iKBqZdVHdkkMkPe3K9ceDf1.z49S2lYLdzbdvvuO0V8RrF84XLXe97tbaJjXh01_Jaa0Kcn2bKlz8toLrvT8U8B8V6OA8cm4uc1S6de1JhVL0VDnK4tyukERDC1L407ICkIjJf2bHZciMUtIVVNnCgi5HMO_5k0ExzNRfWsZ4O.QGhAHSp2PoT3kcRmZjZ5S3iXvxMxaa9pnmKmFvW4arISEfTsY76jxtoFCFm4K0hWfPTfvDrRCDat2JXv9we27ElNHz4YXxvOa8bIOfpZGj8Lm9VFyQIYCseJ.Ra63THAC6ajN6Jj7GaQJqbMJ1odTasA_ATs2HkpOJBD8.O2mTjhwpaphb30dikGXL4A.8X6LMz6DOd3cYVCBvkNCN_RnkIqH6ZbRq3FIfNCBzRvU27r2q_16o6IqQdcza9Rcq4LJCgGxiatYZuHsocg.YzrMKUNQFk3hWLpJS3vaM_Ixzbs5MfcgOnROWl2TiPtZ1jQ7EoE7Hghsh4MLCJ_cUSCz63X0FxidxLyfv.FmZGQfwkC2I7Nq7D6jbmxByt.monpYPFIhhSZd21Utaphpd_ghMAlaprK_OqnZ8fzASNlBbjvZz3gH_bJe1mP0_K6P4ipZTXi_AREuL7_kcMtsnVPU7yv_77UuKjzEBmpkAIXDy_lgKM.u4FiebALhFBxRcmQJnFVvnJKeT8cn8.gkXzue0.KCBnbugQM5iiTQ4ah9KOgy0VvgWePgWyJqTki0n6_481Cbff6qRsVmFtRg6N0gKSE.U6u0Sct0pEYdGL8NHO1wb47dyHE_8Mxn6GyhFpxfuAKlQ47FvgnWOnYBSHc3DH3LRtp7_cf61QwLQ84orzCXKlAogD9XWURIWx9dteXhXFm1h8PcgXGLIfBc2dbvYb9mswHWOP1gTJiJnwIG0QKhSX8Z1CcwOQhP5942KRV4sc_Z3StANWZjf.gXW5KrFG96Vkp6wo_8Zr0ByArtyS0lLqW1I2wiizCNINrKs1eDhkcOiWlM11qEW4ioaOobhuG9mqO8jQI",mdrd: "zKhYDzZvwlSNSkh4HHGSz1QCI3fLv1bdIsfJz0lRsCI-1739200271-1.2.1.1-sYvp8qe96cH6QJKFXnKpVAhYVuLg1fS_9EMku3d2Lq8Hc5USCevV2DPrWFfn3il3VQt1oWSlBWUXy.iTxWsg1hvhrLtuXyayM9GV6JjECciUi0MbgLL19ori8D0CV0WYhSInrQKA1fLFFRQRhyUeKKPFWLgYW5HfrTW0uC7_GvLJbNUdaZUWr.yAh3.EHjYU.5oAiq8t.M9_kqA3h80HBlCNcJISB3.KfhVxLpRj1WeAGogdsG5sa6v29wJRJZW8AtLY9FT.03FdNRjcBUR6ADNvVVoLLQN1NDvSBB.sumVQKue3vfQxm60Yy9Bv_ioJeP5nZDQleP4nEjx5Jpa0WrgY8RdVNVsbHKBbEiRH_kRQIVc7MD597XP1Z6b7vTH5rMWILOiARhkvoBVG57AmB52B_JHGDYqN14JUTgOv2e.7f3s1zfnWgn_WgCUzFW0Rjd8cr6..2oJ3BiimF5gVOSHHC5ldCV1h_2EQVVCesLH87j.gZM7WYZ4126Y_hgwzaFZ7g28wfJpH3Kb8.p.0rpItUmXbNv866XncUROoowUHyCmnFY4HvR8bY2AHm4LscgcZ3ugyUC65ip7YPeEb5ixrMHz6BeHtq41JIy5zgustQEJGiljUDvsJPWTiMZ3MO4zw..HmOh99ZVk6wyNkENX48C1tOITwKxpX81GJbs5woETrP9k2MISGlHbxvR5rUzjjpYhWHxDv..P9_iYtpKF2X0nmd9fDRAzWrL8SUnZ8aUT0G7YxDVI4p1Ik.Sh5QOQDid4tiwYApQwsgsuKY2VkHzAqWyhq6iJ0CSGo30OidcnMIsht94Mpll6_PJQFdtlGT8W4hzV5J_uLl7eoBKiJbNlYw2_kyDIySI0ACnqbenP4G8sGW_yi_m5N.p0.lmW7aaIUSP2yp7wcIjfk3QYszeVIkKXNs4rmjrTIdxoM4WyB6za_1H.PV6bnTI2h4uvTodlNBZ8jmkAAyenzoZL0RBneTuf4_GEngHYGeQmJGn.Mlr4YyNHQ2elbRid4alSHyoZoF34y7l3yOJxWVVOO6snBlHcJyUzddyMcxu4QNMZRptspjH7eHHOPyHrxGzSutka.tonodWWGAWCQpN9FaULO_sc.NSk4K3W6d6lyGSkFzFexTbfMrPVkCjBlnJara8rsg1bom3_BAQdzDpQDejqCOFx58LE6lyw5GjITNPpUFQzJwIZZciweuahRqOmR3LIVz4J7s_ilq_9zcDrhb.pXroE2UDwa4V2yQLRbjs5pmvgM7et50f68iq2QuMOX5m8wf5Md7c6esOLaD7lCIzGkPBqEC2n7_QT7SejKy91dR2ARMBSNKlyJBEEDLvD_f68rTclKAP7lKg1lFaWiIGT6wASVEKZkFn0mwdQlQxZpVggPoA9_doq6UOibeh7fF_Un5U3t5bR9NCoJ7WKXpeL65w2E41HZe94iD.oSnFhyRiCyRNu0lYrC_nI0MASkWuGrlSMo_9wDk2Zma8Ojocaybk5TWQTq0u96yIWGFf5Ca6bTTzf2f4nC_9wRK10Y3Eq541n_eSv0ZGTtZ9lnBIOv54cp12ZQSyXRIvaTP3E7u266Mrbrfi_GqvzNhQ7UheP3gsbFfMR3AqZRaBpCS2xieUR4gonBbdbZiYkf2xTcUA.vIvZ2QgCZHHRldrXk7dBoLQV.HoCTich.Hfecmpcsriw7D6XBAbYZHq1Z3njRJPfsUZTPpJVF3tIhu_VY8TZtGYgPcy4GujBXBTUmItQYoWBn7YsqpFm1ze73q8UH4TUJwXVqQmy_Z4aLtDlQR4CP7bHt1Q_WwKMhQ0QAAbSDrb1g.jAnxraicfCj6GiS.efvG9Tqd6de62Ob"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fd07c21f363b42';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\/2145907863?__cf_chl_rt_tk=2X0NMMTW6fVrh70JPHXnf6wPz1MOxHhOgZdSZs114n0-1739200271-1.0.1.1-T.mJswbER_ileOfFH4YyU5xMIIeIzROhwvql.IbaKoI" + 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