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-525737835954.mit-edu.top/post/6034789125

  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-525737835954.mit-edu.top",cType: 'managed',cRay: '91104224d87b20c0',cH: 'KAO2dcV10jBAZJOF3rwYCzp_akGNLY9hwtcMtu9S90E-1739401892-1.2.1.1-9k4LjNUOtnlZwMt1CZsMEZsBqH2pOvqHQ2KTGkNet32KSbXRip5SPGD2ZAVHw0bj',cUPMDTk: "\/post\/6034789125?__cf_chl_tk=QHGX.DW0lww7ymSrY8_VQIlUM0BAR3jaxJliYN1q0fQ-1739401892-1.0.1.1-tKhhwuXXIqW3OPbK1X4FgHnCJYibXGVilcYsoF0nmiI",cFPWv: 'b',cITimeS: '1739401892',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6034789125?__cf_chl_f_tk=QHGX.DW0lww7ymSrY8_VQIlUM0BAR3jaxJliYN1q0fQ-1739401892-1.0.1.1-tKhhwuXXIqW3OPbK1X4FgHnCJYibXGVilcYsoF0nmiI",md: "JA8S3urb8SU3mUTm8QN1BatKH10mhksx8t.qwyBrfAA-1739401892-1.2.1.1-92yQze6rMWFGaXTndmhinbbK0lu7ZR2o8jZ5qpUguHt.7mNw4WKn7vVmhW1g3YIJtkr2elz2O8ThA4bqtvaKEiN5hXyUxqzvMpZQG1fWpvn2qkfuynB4K6KEv1H_5FZ48Xnz1M.9jvX4_r18ZSh9XVXv4mhSZryur5m_tLQhc7JoOiKWjYPS5XZdvPU3iw1GXSmNmT67NvqAnngrV0DS5u9QOl_KKq9W0ys3XHaGCQsKCRDceR70GK7e8b1OPyDraXRrx0ystkOVhhtYJzsNZ1GV14J6tCXpBqD4PTpnldlSKXObAEaq32NulZunWrg1IFOGoqr5uyDX3d6SMDcl6PJFfUKDo7xTEPVNKHQMtU7i6FadWmiFKpABpxtFQGCfBHog1eg_vJfN6Ngr7lR0XefhS4ADG52E.Xc4pV0QHRQZb0rjZjJ8ggX.HGyVOAvg6NA4s9CxS3d6IWfin0IhMD0QNqv_jENu.9_Ot9bFcaxbRNH68UvOqm16fEC.6PAHGPIWnwQo3Om_uqiXezeoVm9kfgTixwSNdof2WtDKjMYYxpTbx686bpfSx91DAXhF5B2cVB29plE5tJXoZSLt8sosC8Zdv.WDAVGaLLGHL4aEH22u8B9jAiagLdoWzRSuHJJY4jl06npSoL361sRWOQpMo4mGzrBhCwYqBF7uuKc1791ZO6iszsJ_IeCSXnycqFGLZafxnxCU8brKvAnlDuEeX.EJE.XLIUFeFjWQBT123esUQ3y6X5Cn.laekW79Ru9TF7lCjZeg1HPdB8shJAMygf7OBOzDTUWgHMoZo3FqkMk_JkaEH2Qk0KN6jDDhMffpOrMCnj4ed.3Vz.GoQoIdMZS0PToCuc7OpaK6yfHc0iLOt6o4GN079PDEb8TK3GuFhl9fd0MdBU6HxONzCBVbg9sOJpdqIS6iSpVZa28DI312FdSSUU1Ueo8t.QluvcBQK6vXtwRhztrNnrLwQXbDug0GKD46QM0r3xxBcjTP_s4oAY_fbHt0RldPUy.Frs9Ky1rR1jwbmpz4p5YmSeTWYDBIEq_1QeO43ZVJxsGqXUYXkndQlFQ_xZq2qE5or87PN7km6KTOTmcaKtiGsb30BwpdTB38JIr31jAkpAjw1MJsexx0OzZF0isOfpq.G8RHK9_YuxHqAxlXlMfkkeC24_X5TlgaHZhatSyLYoMLwjj8U9z641ziuk0GzKSbQ6zHExvuLPBHWe1PtC4xePIFQGsR5LoBPs3zfOavrFgZ6H3xxBJ4wcOmvdsjZKOjRSYMvJpf_TeP6Raaa32aIAKp7YMdZb6QFuUDwVabNHLGIeMoIVqtPaTFL.y8LnFp5Lw7mOPC51cPp5wrpHv1fmi3JHyOGj3pZMhUb1WQWMjNzuR69ephAj9iDpBxfOKn8OCbKbVPXAdduNje19RH_hs5OPkTInDOPW2AsdogJG_.NUMjI7eMYet_p1k3_Eur2UiKwB4wiS9gWc.Stqu3feETtP2bQfFe1NvSssXgZjNJ3FrH8LPrf2fyNhZdB0anpIs0D9Hib8PtPpsC0zrVg_bmlIB.wFVNTdL.byRPwyviV35vl7ccYWqZq0pxbPfXVJEqnRP8Q1XJh.kYsFbI1HKypxlCSMtrthrrzU.3OGOtZwlVxBTBnruVkLTktpWCfdswWbT7n8QvaPKrvTiwXkPUi6Js64kYJS_yi75CGO_GWefdj4J0nv3Qm4jBmTmbiyUkOoKkYEHBk2Cdmj_MBazTKC2p0kMxh2KlqL_lOIdhutQItYy3I.yEqxxioCmv8U2SXasNSBM4bdVDyerSAuj_oEzjMWemGw2kzi7vMXOcW68WvgXavbdyn8QpYvN7EAGOtn8Q.kCl.cWVX.ajSz7dLXa2D8FliZZ2kj68C5zTty35k08NwAg62vyQ4a.0TN9sNetPxC3zh1PsFfQtgqt63UyV7Lk0TWdWlQRQp5zutH.EId.aiqFQoQFnYXXhxAjPrFf0dqj36V9N3_n14Oq9FR2Oy_xs1KOUALbgFXTutEavsAHiiXrp2xMjdmMQ9OKhX_TSe.Clzu7AbmuY_.hVo4YwkUxUj9ze7oXJKA3pk1bZXPsIe9Wb0fs2kwkuTsN_D1OgNlxqXXheY18.kqTTqH38R8W7SgK.XqY.eU_yEt1LnfgOov2GwvrZOGgFkBuK6kL1fGFzj9jU6BP3x3rJc58dbKBPR6V..cwcO__zD7rYi.1iHxdlVeCsxI7C",mdrd: "UqYa.cBn9pGbfVL6nH65b55.bow2nR2IQShg1iBRMYs-1739401892-1.2.1.1-4UM8dfx3QOZryhhviY0y81Q...Eo8S5Jw.ygjm2wiC29BbT3TEl0xW3X0VqNpfldJFWLcVNhnnUFehIYVa1oUZoLXhUJHKyV8Am67Z8pa7.fAHrLu86BQTPHVK17yD9Qlxx6Yrakc.VHE5UN_9DIkaDN3tHV9aUGzv1wc_rRAWwTKBxjTEqU7DeOtnLdJNbYTLQv6DMN9TwEdhAcKgaPvR2kleAhGb1VI0dIVmAE4uPK89FOihswWYzMV4FIJGY5zdQVfCCGR_kw2JVaBda28ra7EhO43xDMiuOOTH6_Ft3Gc3F8UVe8gz02uZdlJgUJzRu_G2xetVepdwObDiV0lQiCyvZn_xbxMzUgJtx0l_TWUx9cgogk8.kFKMu6S8GamOZMeZIDSyEvAOFR9zxKngMkwneOGkXIMH0tkG3g7BxCbv3g3x5ladpVIwOTRO099OPXBaDhvbH_uwrV5Fl18X32mBxDXdzIVBUMUaWJcvA3p2QDGuux5EOf5jgaQu8FlQyvNglPu0adVrOUC2LX9c5lBMqNDIbI2UVH34BsSJHE4tfDyIl2MFbR.jCw4ky2OadVYPua85LkA_yID1t61pXqu6FhWQtAkNf7D.V868FxJFc0Mzz8gVa2zkEmcuV5vkoknF3bPDN_dOF0Se8AjIQK7_B1GMK0TZHUYc0m57amFiZWl.ihc1g6w19v_Np2OYNvKTx3lLw7UulPp461egtqK4zSEM3DdCuFy92TGch3.ejslIVAxr4RnizWG4uCbenPaRGZiCI_nZ5DnSEmpmPcO2JCyuG8EEsW7ALz.xxXeifbM9HsBr7FhItARyxtb_XfB0MxtxdKdVwWpkFy4jLOhupYAajEHto57QULgKo.njkTEBGGBLo5VyoDpo6lOUenHvf7u2AvqflVACz1SmbUPTWWqY0uxPio94apzhtUnjwm5rTnfcQGvfu4Bxpw0PgupfUUoYIuzyGWNfYH29XsR4RKlDQj1SMcesuv5FLSXZEy00cZb4c3RiRWJPMjLHEklZ5MaIocb_e3bLJnTwSwjdvHTMHjHk2lJlahV61lLuKqlLNqERSOzdqNz7bWMTjzO0Tk5ZW3CT0cb3.8_zn7ktxXSLCEQ1rAkon0s85De3xPRRgltWBM1SFwxtLmRj4hXhIGfhRF24ihIajvVOrgTktGbd.ftDBqODXGTgoHhThQ7wOHST828ILK5SQjnXQXP43ypt0lBiBvdHpdfCuhNsVD0lX5Z0KyimojGq45TpD0v9UCRCqU9DAgnUvC92N.EotHwce28iU1mysk7JbFIeaeqkBe9Tjskndq6cF9VbdPP52iKHgdkBFO9oGjzhJ2Pm5Cqm_LWTP2oyNO4NzyjoeUcpsXEzRIr6Cyscho6_pnlklhLW4PzswT8Y3zFu1p7QReGIco6uKCJQPrqvwmjGqo98JJchF5AZab37LyiJvlbCVL0kqM915CgoqUKHoUDjgqWGSBeiFRB.WnnFyELpiPFMxsHUXi0tDpBubuF.lExNPrONrXdKuLyjdj1SjaWoxOh17zx_DKJHNPyG2EnMG2ZeTrV4AUwDEVxxjNnDmWcoeZ92BbtE.AwLE9l5eLVa9wAtmD5zOf0a5Wd8ewTjvgMKzFqLahWLyUAMgQqfNJgOYqCRO_yUz6Ztv.PMLqMUj66pN3yFEC02maeYUuIpHGiEXWHAfPwyMyp6PvoBpkLwELaE7CVFBbuBEV4FflW1dUrit_vlfq8_gWCtIU0gedPNay5zvNVo_aG17gifZAtVay.ANvm_IrX9MB4xvbMgMptAIC3iAAKQOOsSgZFXb.OlmEP15JEjY3UWk"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91104224d87b20c0';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\/6034789125?__cf_chl_rt_tk=QHGX.DW0lww7ymSrY8_VQIlUM0BAR3jaxJliYN1q0fQ-1739401892-1.0.1.1-tKhhwuXXIqW3OPbK1X4FgHnCJYibXGVilcYsoF0nmiI" + 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