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-283426911882.mit-edu.top/post/1539876042

  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-283426911882.mit-edu.top",cType: 'managed',cRay: '90f435cd5f28c998',cH: 'mOrC8EPY9TQrkFuEJk4Us2xCYZYMl7wl6XE3Fm8wLe0-1739107785-1.2.1.1-3.h8YufbKxIhmJvUWwLmYJy50jV55Oaj.Velj5wEXPV1Hv_6f1WW5dBUA4kZKdq2',cUPMDTk: "\/post\/1539876042?__cf_chl_tk=vmtEX0CRAXrIcVrxPTqMPCSNdHk_vp0nh8ce0vGhuSo-1739107785-1.0.1.1-drT0rd9oA7Zl6KMSYO2b.2FoVMIkBnnwb0vfiI3Z4do",cFPWv: 'g',cITimeS: '1739107785',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1539876042?__cf_chl_f_tk=vmtEX0CRAXrIcVrxPTqMPCSNdHk_vp0nh8ce0vGhuSo-1739107785-1.0.1.1-drT0rd9oA7Zl6KMSYO2b.2FoVMIkBnnwb0vfiI3Z4do",md: "L_f4wjyMXNAvsFum2Ib5lpne4iXF7kuP.46XkBotVBw-1739107785-1.2.1.1-9BHG1kX655dyFFaBoZW.E.6ICFc7CkctFik4VVQENQevEtg8F5wNMaZyluEPD4zmkTNR6FOfl6oF013Kd_3d6VTZcNH82xQ68dIXdGxo_MjYMw1WaIqNEX6cXmEiJ5rSG3fUcvt_k8O9EBdgccx0ioV2YLbbNitDIW01ooUYMgRWYbV1rKhE7JEKRB_i0TeFvW72it3N8o2o49FeF6A9AJLqYzc6vuS3WJbvcCT_TjoF7522CgKjU.mPdj65PXelYt9pfEic4V2Tgx_dNl9qfU8ItEVF.rLIqmkNsyepqLSTKHTRMeZRD_t4JHf5i8WGJrAKXlu8UKnNpgXtapVq3dAl_0yx6VcP.kQGQayl570vqeH1WqEtJoWuPxLm3cr1lix242LqeGuhg.3bYAfGraV7aNh_Ar8jrQ2DjqtOjVbwja4gjJKWdfQQ4pkLbbKUZDccYFFOLoJL8rA.Qw5q7fp8HJz3mmEDiukbCwCM_ux7lwNh6rvLtLPaicmgUTu3v0X5XnrUoHqHhhimlingvEFr0GaV.XZGmwOZsvt0LpLi99qxwbN9ufVjDwVGnuxTJ1ZbgcgshXnEVRNnYQwCAIx4pON_jHHis_pe99mFe6qN1vmKWX2nlS0Rsq47HRy4xtr7YGNyNHoi.5KelOO.be.FWbdYbXB3tj2YqR2qw8Aoy6Ma0h..XUgJHcI4ORHTwVMdslut9_QSVKAOS8.ERbNXbxVMKfsmz7SQT6N5IuhQzoiNN.jE8aIKO6w8j6bAwVUFC7aEQ0hXSqVhv7wa3QzsD60DfVeELz7DCyyAhvfDAR5zLC3sqBk9ufLlqnWVuUdoKsJrPyj6GgOZPUg4Ol0NEGzg68Dhw1HH3t7DnyyzffxiC29D0KJv8WNNwloSUDoimB91ndVLTe25taUpfppZgl3OgmUv40u0TkHXyfGfrkXu3aU8KOubKBBfv70BzI3dwNBd7lgaoWhpT1eMAXsd6IVDLHnZzSuMchJDas8Kad_8ioGVF6CD6DE9_IYmHb8EcewrmAkFjlZ3uZCHD0.mVnkXqQtscCVjjHAAcaHY9o2LmetsjrDrAU4Aus_y7tBal36m2UJeqTgLho_ni80SdnDz0.Rw_6eyqkFPHuqPGNOKxKiukaB.zwkoi7.ClDVryYiqfqjegBePqQz3ax4pNuY8js7kfXAa1Ava7FtFT_pTU22LkVYUQVzHER6nLGceXNDqdlauZPlo_3ukiYt0qC4ufzzZQx4U9yxI0InljyEQ9zjHkdvy7EVzCZfYXBbfdgQBW_hm0mjuP8w99bV.ZaaZHaie0SkXnHpgvQuDfz9mpUqYc58esNKDV88_.TT4YwdMbdI.mPn3pVPP.c2rsblBRuNvpZm4HH7xgW_N9qISVVUDOiVnIcmPMGVDWhdhV38oTDsBCnwe.uoYe_Nahq0urJToZpa02BivdFUqiBZzXi5b9VcAyNH_Y55DVB5zsHs1kiyNfybtjBhdRhzz6z_QhDGVusz820i7C6QH0UZTLfcbWKKJMDN_FpBkll6dCLRsrl7eXJgXglpJIgts4GZ0xWP7tQm.mGNWzWxZBAcDieV3tAwrsEuW5RAd8dlsdLRmU9yZCxpZnnD7nvF_dMpCBcDTv2x0Us3yG44f0lA8.cqQffygBK11Kuo15Kxruzdgpv57qWIL7pHjKKf2501NAHA1aj19F1YkOt1U1IP2tmJukdtLiPEiMjEBtC0C93NLIz48ilsd2Aikxairo.gWYzAK406xTXnnhjNre_LPUTUOlLY3MaAUUxq0n9TRwxtkI5xq4kVHMc_V120hyWM7.04H.avoW.pirG688xK1A6PO2XLRa3W3FBl6mBZ84CdEZGNTiTMV4aeMA0y.TJ7tk07RlR7NUoZueUcLCZ0FEDor3ck6.lY3sDPzbiWnFbFWh7VCFXmaEqHeIc.yzHmSIwLjNKp81Kerqm4gqow9nCU_pqN1PEdg1bbZjqsABFCNigRhem4iqmG5z2nXZlcKkWtnSCskfW5CN6tCx3DX3VSdiZKTQTOobGMwdlWgdch.qmhVTFVJzi_vza6g9mtzAMSqksHinF4WMWmX7FXIVzEgKCOSeZ88GCSC.iQxJRVK7tor2gqphpjk1laehgQcgxm2o8M2iqFzGvrpaZK77T2ZXP9Ll4v3PX82rJlQUzcwjoXgcSBRcMsMOOP.CJLpRB0A3hJRETtDS5WeuPdSzYklyCfT_761uh4U",mdrd: "QpMrlrH_JTMhYuRxcNc7Gpx29v_HqFS0dIgADxFpFvc-1739107785-1.2.1.1-zTlLFYhSPgsMKpj5U9xTYfSMa8nZq59v6a4S3XIZGwAZTeuw0Ag3erH5CO1Xlfiiwd8ywBPYKQoKyd1FH9y_U0330sod3kDSPBz.SBgxqwi.BKVn_VkZeyFHNDIIC1JqPycKlmMeHOWCB_IzBxsljjK3GsXD0ZfLONHf_P9ksukVZiKB9r0HbScYHiF8RPP05D__KSt_MBX5IhvZfjJwoVUdnJlEKbiHqSO6UOVV3PUn5DQOxTOMLkFIhEjQmJyoPR3PP5rglOHO.CcTWSmIZ1sX5HigzsiOB1qOghA4HdEcXn36uiUxahXK2Ll1rBXNLEe31aTVsR6KR68xk7zgyM3iLb_vGw6jXrXiMqxSn_L7n33oz81jrCEQ5zccpwmWVilGmgVZVrfI0NdVhPoCdk_nm.ueZwC5QvzkGwhKP7EMKPctydZFTtOrak7RiiwuBb_5DnNZE4MRDTq6AaDesF9F5qNQzbknQD5XBuYCq0Ap5fddCzXlISqNKz4S7dDw0Bdx96bx5ti99j_9dbqGouNmO1K6bnBF5H9WPR1fHRxnRW7StMPi2G4UdEApQXycoOwOgKoVtJBk.KY.Aq1u4Gtxx2Nm2_ah1hsHu37977gZ_ofahxhGf8PIJsYQ2ToipVsB7zDtK_TixiudqGnaYQe7E9OGmOb3GhFDoiCB36t0_Mt.KXwD7sLDrqput2luI6iAFOHJaVNzku8CCR2zIf1vE0NghEyc92aL.7kICRNpBFPS7LOXyF4reOPoWsrxo4MQ_kGtx5NtBhE6VjG0J_aq.luBxIFyUv.hQ_gbFhcS.kTbJZJSHVqdVgeMGnD4Qia0dcf_RH6pTLBN9LpctNXjiU0co5AOuqHcA5uO2of4zdHsm4LfZsbK78gsburf4t3ECGySZg7hRBrRCpMiDXQKYtFqyLj8s.rg3s1CF9kqEMJcIRkKHoC5rtS0kg22_VTtqggo9yveCagxxR66FxVsd.o.1QfhOSa5GCbsJRK6ALAt4F5sQ2h.M6_1NOX1tw4a1cX8kO93uVL_vMOmbflfBpFtxpHHKq1dq3irkYAPeLgGMLPWmyvrkH5zpO8TsUdJBDOww6D7WwmyJwNbCzJuAZyj_NAJicBRLd2U.RpoN1yp69Syde_6gwcc3NUAZdcSfROWW8feqKrrhX8iMtEgp_yUtAZy91t0sn2oTfQGJmUTQjilhjqrXu8SAaktLkVscd4UsFks8NR8h8ja7JJ3i9asAMpWzUl3YWZa60ci5i_1wddPJstYu_Ct0hUoRp6FiGjiOEb1_3o2AVEwEShPnk2LYaIRfjQmr1kg2NM9YMiwEY4cntSXQZKdJC9EUux6uqlPyRwqU.YgnpCK4sDwIAaeb7m8W9p6Qe29_jEE1xFOAgUhzowPUImIaOQ5g_L6V_YKL_A9xmh7i4S0chtJZxZlgjooas_9rkXksyyzXlGNTwnh94_B1Om1bjo79HD._DLwEsmdgHis67nsBmNR1qOSLMAqE_KDzRGBl0266wvEC4V1x1pcZQF6UlswpvBU7gNLk5Dyj9sq7MNBeFYftLgesLDPuvazOrhxkvr29ueM7KwNcoWxOOUfa0zDuOyjswi2ZRZgJkYt29NAXbk.64.Wdh0i1f_RrYeRJw0yr.rNG9jAsghq6cDqOLLDsEH9sJwbw0kmvrY9kg.9WEvV8ldfZWDCFujvK0I3lkL2knT.xo6l1fpKwmQgjnmMmiy8Q8PQsFwFJ8Ksi_Eyu0SD5CPKzZS_Ii5GrOilBghIdxqWqyvtEDwBuSlcOc.i9qJvaXKyxKMANDzdaUPIe47sYs2EbF78IKD3IcGiKws"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f435cd5f28c998';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\/1539876042?__cf_chl_rt_tk=vmtEX0CRAXrIcVrxPTqMPCSNdHk_vp0nh8ce0vGhuSo-1739107785-1.0.1.1-drT0rd9oA7Zl6KMSYO2b.2FoVMIkBnnwb0vfiI3Z4do" + 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