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-afft32s7u.mit-edu.top/post/7510634298

  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-afft32s7u.mit-edu.top",cType: 'managed',cRay: '9107a6b44adb1740',cH: 'jdcyWF.bkPdF5RQ0OHwY2BTajHG3XvVT1hczqzj1n.0-1739311639-1.2.1.1-sOIuXabSRbMWr2IG55tUYVchzw87uO3ZOK9sla08fspyf0Gg1XlPZjaVu.SdfPG8',cUPMDTk: "\/post\/7510634298?__cf_chl_tk=ztks.VTeTEYTVLh5_cCG1LG1ErUoECo7I7r1ykUzRcI-1739311639-1.0.1.1-pgIZOtIWuFB8pR1mvPTNL6YeFNIAoCodLdhjP8rnip4",cFPWv: 'g',cITimeS: '1739311639',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7510634298?__cf_chl_f_tk=ztks.VTeTEYTVLh5_cCG1LG1ErUoECo7I7r1ykUzRcI-1739311639-1.0.1.1-pgIZOtIWuFB8pR1mvPTNL6YeFNIAoCodLdhjP8rnip4",md: "Yyl2EdBbkPhwQUOGK_RZs96dKRJ6Lbh.gvzDC0CaCig-1739311639-1.2.1.1-PWVCJ5GGnh96qnB2AqpMw7Yt77.o4ISAsZiX2w9MXCzMYBUL9iX_AKUrL8yFU2qCoFcLWtFuKomGNSgt6mLtQ.x0_vsL8eomaNs_dRVG53PSzKbxuJJdLudIo3vQrKN2rv6MY18ppfccIqdaWQyIiqgBI6UEr6h2oT3ZB5isadX1zbzZ.Q5RskUquZGkfCxt8vGM6QHNSIFfdQ_9nGvFFcO4jiz9vBlaEC8UoLhayLZu7gWSwUt0FLHoimAyZAWAfNNEwE4pBphGG7f.ZyGgLqO.sgM1OHXcoUX.s9XK5ihfJs0K7vIol6t7t9h3TV.iWAfi.5a_lnwSiJrgbzuotwSUFUgowlAq5yqt2YZW0segAIOgF10mkG5pKojYuFDVgXjnqB0398jf3HtGl2_Lw5LgjWeYjkw8lM3uN3Llggm.CQKiFBri2SaRQwsxoKjkxHHHy1dFKLoMWlnGufeG8lyY8IKtkiXcXsi8ncKppiWYIIpMt.EBH2NDQb.J1I0o5T3BMyk0pHhnZ.SlLI87QTHxGMVNjHzePbRjy_0TXTYeEtgMJwgSZQ7Kc5KZf_ihIJ4qaQvxnNyzZGeIeqNGOKyNwHzKId9Rv08MLhBQN9HbSzmYj5QOE_wLGFfCDnL4L2DSlriQg50IVL6EMf1NDMUtJouA2nmg73D4UKPOLJJHLJ1SPInKzhg0kD6kpuRkdI.N9zn2f9rlfpD3ILHJlf9nm9iIzoMIJ9cmti.jD4IjwqMFDF0cgS_ESGAQUb_AfDABn0Smu1Vgk0XYAvqxF7ic3T9Y_SPgWJe8RkONqONC1x2bDjo8mECgeO74mKLDGSVab3MstFEv.I5MA5y9ijoz.pPaIwdawLkq7bR1Imo9pgKEX8r93Ra31QauWeeNU_9fPfzqWyq3yuFTthUK.s2wX7LpSXkBpZMDDWHTUGGBEjNpT1W2LT0L6Azg7w1BVn9NqBOV_SKyEGsNNW5j3npaLqlwmqhdH32XrfxqWNZYPc89aaYRIek_9fYfZ3KVDW.Tg3Vyx9TZDQiRzepUKJ.2BUmdI6lEqAse747btHXJT7M_jlIQcv8796lDUpyCiOMn9ByNnr4Eob2cyCKyn2r2lDef_aqk.v4iaeT2MwRhNLdCqElVjnl8UpGurrriKYkkWx88McbMvbI9IJ0Cv.qv4az.krgNM496.oRNbJyrwU0HF_nbKrd0p3NBqZtLkaQ484k8e3nPTN7AMnGnK99FzZ6PiRgkX.Lpg8q3Z9ubvuZ7j1kyEXDQHl3QuUaJoNFy35Msz.StO4svOT.4LP0lzrQq6zhTSo_L9V0wlsIS73szxCEvpFm5Ue_..O3qqqq3AflBX8YwHSoS1AFT4PwrlIjoWystaR4KdvAuxt8QgJ.PRGmsHqmviNGc7FpMdlMl60j8F_wg9AdPAnXPN9U.0R4e1e9C5VWIAdPD6qco3YWpKPKlfHk9ry6JPbd3..LqMDTFHfKOUAlIqrUHqQE6ZAJVnYHigy.93qMbNJEdvhjieqww3wa3dyYNawhtbL7LEbWOb4k9oqc.g68MqinhwsX.LOuH4.MTYvsVGYZPlsGUTVSPFf.FyExqZDA_1hCV6zhhD5uYcCp7OzTMgBlmrKy8yyylxAXbtagrNCGpf_8lfIbr9dvMG7hOAYhzV.uQPDOifQHIayehzQp9T0_VqQ7Q1Np.pEU9FnCCS56Q.FG3OgneARw8HlFOPQFfwtyE7M989kgDIJdJa1VpY758E3FVET18Ge6lnzg5KkGxZ6hFBdyHPF4E.V7zI_N1iEuFlBNuN9Z_v9ImJwi57Tl_jkIFSq2HW5TtXfDUhvd92P90Wz5mbs8BDq4F46d7SvgSFBUT_pokCCyxDbk.n44A6Gf6i.OTGrCtVVCHB_sdsEzUTOmcrfIVwyNmIfL2..ZX897Gsn3czW2opoc6.wuEpR__XNUYnLn2JQWqyqwjimhIUZbBtDqKAD3lzW0tiOPUhAXHrLzEA9uydzAVTJS1t2zdmfBekzFnpdW820wjIBX.x9DKJsWY97Geqc8kg9WCWtVaiCT_cxq8ZdhHtu1orwo_3pVHP0r3iwly2kNJqywRy2LsMhwc0meYYWZyiN.N7S9Aq_kx02Dr7cqh.4BJ2iDgAUueF8kgL3PT1el1H9uP24QnGuhSTXq6Ah_UIw4.HEbg.SqdS5A1irWgY2zXZholrEy6ss9w.AdprNcJHbPDh0eov.lmfOwDqZHU",mdrd: "HKlkhKdgpqtIsjx8ElponUKn3ybie6H7g3lTx6MvUwo-1739311639-1.2.1.1-0dvB8c0ENAFfHXHq4Fx49h0aNVDQcmhmuX_cAJLSG7C3BdOSpN9DnMm5PKslF9Af0VZth9mzwNebz3uIKpQaRBb6DARppyjIiHWCuLh1Jp18JshnyaKyxy0l_F5GyevxRLZH59byS0LFHmXfEQzsHtsCgpIJ2ZdT5ygvOUXJvA0aOpgpLhmspAYZTOqbS4zhBk83MMtTs90rCkPLkZvhs_aLofRHFMJiz8gnjDSmVRwCA7FID0Um1dxFo.rsHCwDCREiCZGClVEXHGbC_Gmk2Bdu4ghAR0wBg4uov_bieXHMBLT.O_TMImgeny24XvVGx1jUsPLL5ZoFqE.QdwzbBOF73b3y7Ts_JUDK5auNVYk.xd.NtDpQqIdV44ZoOkF3AnJKQVvwKyF7vjZdeyU0xnCck2RXp_NrFcrh15fYLqdwU6vbFIgTJf.yg3wKsvER52GMHgxh0C.nisZjrWMYw5XIU9mxzXLrIJsMlYelrdCAfB_zeRxHfTxPLYldqNyovN4KNxs8bZn.K9yDCpIYpf07DvfFsOLACDvzuZ8zATSI.Pwwfqt7iAfJAd.KXmlQhKUhLXvkyIhzf1vx1Qjts7HYpyTfD3pRTuLVapDx6Ch1aNclkBntf0y1Bxp9ZiYZbeA2H3fLWLB17Fjok1AtdfhO.YJ3xUuhhJZpQiJ5bUKOSXHZaLPk5CxbxCaTMlzC60XgrEVt2u9s6K78RM7l9sfYsHdPE9ZerW.yTuZ.8Bzq7vBWqp9LVw5mX87SfRujnH8W6BS6BqtM7Ol49ATXULxRxsOo0ETAbP77n0DUDokilXn0lgfv4KfywGqIHeGMDZal5KTqY3P_u1LPyeODLzth.nQYBph4k1A47L39shlv12sI4..3Fu36b6pHy7tADMYXw0PajsVSKAqC9GoyUso9ICvIboeuc9EO2N2SJ0JJrQakOLmSWLYexq9mJDGMCM7qmb9N57dS_ivQTOgqyuXuCjXRxS_5TqoRETo_7azu3WqugXtskTlNvYYroAWu.5TsciP0RJkF6MUcGiM6YFFTvZEBv1voP38BlhmyigMFL2VhwmVhVVJRrEd9aPz81O0hMvURKviguot9P0FxHYUHBedcDDWUl4nFI2n9hIsFTnJRGIcbufG_ArALTdjpZgjs8q70WDrn_myNNcTy5xMmdgvHndx7TH254Q_4Jw_41xdISVn2wcUdsMEG7MOheNLw0JVEG0bHkj4YZPDclzM.7ea3kyYDqJqWtnFFkwLq1MA4ju3gNynbqGTgO40G7RXLTjMl6uk6P6lflLTX.B6T3Eoh1pPZZ5KYDiOW84wTQm7.dKQns4rfzxy_xDQdHulu0k4yU0WcMbofnLX9WelLeRxFfPmYG8UDIL_BX.EMuTq2uQyoWW90SJC2Dt9MOu0gMYaoixL611wmS9iTrV5mEh9lv2YhKNm8ekVZcHe4pxzxIKDnx4NVfZVayos4ny5QMR5lhuiQ_8qPk8dxTmP5B4nYrHZJOBnp4DlNBprQaJBnOl4Lf_Ruh6CH5q.QTeqUw_ahSKoONVp3KJE4DhnwBdT.pWnI96EPPY1Z3wsLn8FuhvEH6YjFw5FDS7QNeAaPEPkwpA59r1LUlrqcWIqrmsDkAn3wPLmr67JwUfE2eks3fReaKpBNCTV1WNqF0kWPrQIPuojh1AJ_LEQjiN4Dd1whMOQohWOGIi4cVDc8XdCxI_C9frWUenx0WyjJeTOO1BOQeCB3DTZCkYIROgXuGWyHQYnuIzm8mzzC1JVHeMkJ9V6OgSepBhfGmYM8vaXz6brHBzjmbeIlR3QUwA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9107a6b44adb1740';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\/7510634298?__cf_chl_rt_tk=ztks.VTeTEYTVLh5_cCG1LG1ErUoECo7I7r1ykUzRcI-1739311639-1.0.1.1-pgIZOtIWuFB8pR1mvPTNL6YeFNIAoCodLdhjP8rnip4" + 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