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-138166474020.mit-edu.top/post/9025871346

  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-138166474020.mit-edu.top",cType: 'managed',cRay: '90fb1e0f7ac1d6af',cH: 'kF_QLHpLCU59wFqdukepUgSXaF47EQq1OX.JsxXfIzM-1739180213-1.2.1.1-FrvMfx5d_jXd9y__AWEeh_ENdMi14Z9y4hFDkgYlQsBK9a7GQiwjvX0XWINwyQ1w',cUPMDTk: "\/post\/9025871346?__cf_chl_tk=Gd4JbVOPm7G8aasd970UWoG7vJG2JSBxM5c1Cli8TXk-1739180213-1.0.1.1-3rflQrceRL3NeUvOKvw3yfCM7y6NiM1OK7e2VIXCqhY",cFPWv: 'g',cITimeS: '1739180213',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9025871346?__cf_chl_f_tk=Gd4JbVOPm7G8aasd970UWoG7vJG2JSBxM5c1Cli8TXk-1739180213-1.0.1.1-3rflQrceRL3NeUvOKvw3yfCM7y6NiM1OK7e2VIXCqhY",md: "d2t0mMWNQLRkO30hxQ5L1H2VUZnYACjef8IkEN65LFg-1739180213-1.2.1.1-Fh4pzk_cf0wEpu0KHhjf.sUkiI5n7lP7XuNcP6f3wmDgLPO.xUwTKd5jNARpjX3wvxbrtDyb1oycRdo0Tvb6KbCPRtol5TIyD1cB8T_Mzwi3G2UrZRh3ItllapmUNPZ1AnZD3TF3ZNi0ImO5uEFFIeagezC8ZMeZetu5dgO48nhpszF1ikTD0fsfi6v5tt9XDkJzG0MfuQO7Vaicyc4DMTDIdKCfOitFJ_T9hYwvFdiHsjxCJbkEiJkM5YDXHGN_RliT1HYxtQVb8QqjhekA3hMrEUr4X6lvT45wN6Sl4Wn4BxHXljTe1YIIWGocXLj9cvHnxVjVsDM2RBgZoWzIKBBJ.xbiAxIFqvlZn8.vosLBoYnGeSCwNadym0Dh6CsKjCPLmt3qcaduK9LZFZAJBRT.0REG35VSKTxRMxA2TRTVYCG2cqPOwNhST2I48RnVqw0nFlebd0MgSv5w0zIoLeL_wQAPutDwWl.Kli_49xgGy7rbDUm4JaWSNcWDZLoKHX7wIGHIMZ7K9Ibwfi5_lcxi51DaI.ODZ97xEaNSlFAoc3xF.BwD4bZvqQ5bXW7PXw82dsHP1du5a70sIW9FT7pzt9aQw4LFHWpbMBMTtreBLU2YTTu0HMpD0T.RyYa5sY6HLZXKE13V_78Xw8S8MBUY5A1fvur96vYjUUhoTRxwzZym9.9Li5m5VpOf3LqYtkbsvVEoZ4FHbDz6Qs0VLOIHrqkn_Zup_vv9mA2uUPBs5RC.JFj4Qq37IK_B2N_z6vrH7jCxnBjay6jqaiKGX5Qs.EMF8hZLjgxlO8UtjE21aO0hM29.9SdjvlXjG.jFVEkjZHzAxJZ3uPc30zMyeUiK.AQ7.eIbBCZTeibEEkcUhA78bMd5M9Vh7DhRiQ3wZLNweDMdpkpY1286fz_T108W8drWi28lFVtHYLTLXTu3W6iOHGPgkq5jM.W0BhcHmQQ9UpLCWE6HD2ZWEy0nNxvpioxh.JmKSF0ESjv3Y9AIejT6at4IpK6d_.9PVCnYT5L2TTMWGwUPPx994HmDPh4uSz.zHXHwhLqtSRwiAfbciJqCDKAwwnBOsyz7QaEKgO.7lDMWiSe2WzBKhEB2O71ZU.rdX9ZbEE_mhR_M3v7Tq0ZtzEP5TIEeEUCRt9lpvvdL28Rueu7.tERqtPr8eezeEJuIgYX5GGDCKceg8B6138nqBME8CBmZwCWEBWVQGYY9Vmwd0Pw71S.c5YhkFU386HLBu6br7NXjzBPozZl.ksCT8qNt5mD4XBuBxdxiP2fYOQVUTdXwElQJxbhAhCikgjCzXFxD4F0SnuECnE6rcGAm.q6zsKXlo.e9v7G9nRZBIFqKoD_fEaPMWCa8OC6kWmQ51H7C65sKibxKkOhLSlj2HfxbZ5JSl_asc1INbu11lPc6zo9mXIJ2.ROBBJsf8IcSUcajz5WOlakiieUZMyD6PgLm1pR1kLbqzhtpno8y1aWyLXULj1qFpBUxqS.0cXcz6rU.NSeM_.QbtwpghS4GSZOi4t7BdKLBGbpmRaGI_sPImMbLdV.piKFtg3nJ0NrN8LagqZ8IqXHKmsKh35z6CZEdla.MNZ5kGP.wCCrnc.thAjOtqdA.qEGCwMAcFCjOIqpzsZgtN5ouIZPIk4ym5tMnnWQVjpr2XbefufiDuRKeOAmGy_XivEmEJz_U.9kmlBqY1nOu1r12Fyja4mRDhI9JfY_y_SavQc6IcCqPxH9WhJh9xfqKHzmpSvsrqk8JUFcwiZI.gLKeSMfYbcF5EFx9ikzEXTyCx8RIf5F0GrNAIgvCflNwLvNvMbjB70_38Vg5le88VVllqtmdQyY_h7cVZ2Y8VNiP56tS2ryj0_gioNfUj.cpWOD8q_OmzhC2DcKmGepNDNaYjRKeTzQcriDi3pY32bsT10jJgyf_nkZz9KcuIWUMDLpdYPZ7endobuD0L_4JNM50U4LQ2NzVDhM4SqXwhY0vYkiYJrHopQkO5DY7XM7snH0WIrW66p7iTx.8SNYYq.1lCU1pUZUJxdjoaElghNCX6qF5zKPD3HWYAOsm6cEpDDIiDjc.BLrEdftTt5EilcmU0B4tXHP4zNgZuIEao5sIMBGATNQSKlklgHwfn67Txt_nU9WweC9ak0MlC06OZGvCjP8ktigwbylRg2L9qHzr9vjD9MF2bSxggNCol.TJ8MZw_ZNU8o02jDge29.1NGi9mp4JtwQ_LNP5zf8aNv9Q2viV",mdrd: "5twRyK8xGh6J2nHhr22eZzo_D6JpRls5R4o3bkR8V_Y-1739180213-1.2.1.1-enRFxAZ9VOUEFgEAWoY6FpP4yvrmTAuTownDg26.EsJbLsx.vnJnISDuEttL0b69v4VeQU9BwcrIeMYMOTrivWS2qQkzTI_hB8j3APlsj52Epmsyc30dj_LgjqcOhCUuxP.E7wBc_V6hmqLl4JAmQ7RNUWNdMDVWokPuWaBq4yJb_NN50320vGe4.ZE8DCEuDFda1_gnOHFT4m.EdQKZOA1TolDhxTY0qlXj1tNJGjU4k1di01QtQonteZDzzFm7StI7O21ZDSLuwo3eO3OFCoyrXyR6.w7jMDd2lOo2fMUXyn5Ier0xeuQTyv.WwU9ar.bX_6f8CH9cVwtHT01wBw904pkfpsbUmD8LR7.ZbM3bRD9MW607WwVM7ifkYonlI5tXJHBsE8cs7k_LFiCRWSDatzgmFnmHM6U1ZzU6MtWvADUjTjaKjI6V456QcCOULeAkc_vySuHNWzqKg9i1AwcjqH8ipBItJizsfBIQ8gscUi7d2022AUrAVbESd7qHbYdBNEr8xZPbszJrFhJo.GnVy8FkXplIcy_WD8YGyryRA9oZfqHopfEbj2h6LtT.1bcdKcvZaUb7fTpHDjKfHe7PLi2v5ZbydBtWM4qrpuxCIc8bcb10wfl8K2auPlMtzhi2xwameZfdPriEdu8WJMhMzNxnBLW30utp5J4c5wlC9tEeJJs_PRE5p9.1e7sWHh8eBr8sF0P6FuwSW0T2lqPsMKdl6aBuxv5l.RvYiHaqx5AtbZ02nd5P.k3Axs49Vi5Ujzm7Xn2TwhwQip1lDl_96ocKal_8sygMAq4WZdDkc_VIWa.K0vkRkI_HDqLh6pf840Gvec2H2DRIEj_OdEKdNU7Fk5llv3Rt7DyrmAqgyXNuriTcyc1jrcMnGnbvOPqz_0G.EmiSJIT8ylH6PIJ8GPoGgyrsJcKOM4j02QSB1VJJ_5Ij2wug6R4_5tJMTyDu2C21XtCJQB0N5QFZ5ZSgd3cX2vg4eYgLSPCEgys73SvlGuwGyfXdinGQC8LnrGLk4pAFs3iaDtmzYfrg.zt6K8jcRgHHNnGZ_c2YOkJunvEiqxo83yM7onTsmYGwomrJco4SYceOUdT9c01k1sUY_VwQgd1RnkUwV0oOCE8lHdKtg2JXF6VAumkiQK96IKlYDytrCUf3_kVHXPAjvxqWYGgUX91ej83AoHVmQxl5ubXTQxCksJIdQWvTwGlYnBxV0zDLmlR0.TsxkqXIvaAfTnnP65sDMOE4LmdC0UhMA4Bo39XmgwLEZ1TzCM5DRNcNHH1Zs7G7pVAI2XQfGM5MRPzAfstVcCtesVJbtAv5TJnf3oSZ6M0b9BcDvk8hyDOJWqQdvrWoY2aTCgQ6LCCFgFZsuYUxzQ70wUgkJE.FWQJAgkGDcFy5OivLKAHeVcD1TwTsDbWYUW.vIibsPWrUZbvHOAjmAHTxlwWCK5unO_majQGhIatDOKHLnuL0WnqT3JV_Ilux3Dp2nQrPwRyB45OT3x5PBoxeg1435R.48ckmzhxVnLFh1w.ti1c9jU07zG6aC78Oc13R2lNVlgvO2ilt5e5Jk0GDvXtsejcGmQ6IP34htRbpcCi1p5sntPlm7V5XNd8wuJukq3pL6S9ZQxJ.l8l66NAqSq_hbdx2qYVAY_8aUhRRhTar0gc3SI_9hXzdn51pEWmQjFNAUEe3xbqJ8_e9mSLr_zNaYSChN4gv5UNHeSPtgYxKn3Uems_pMtX7wZOzvQbPPHkqejexAxDgAMx3s863MpKf1Cduji79maucyVNNUev3KpjPupvrvupnAwcu2bCHtA6Fd4kqa8vpHBpxpCdxoHy9RHuw9kt3YUUIuIrwwR92Vu9A"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fb1e0f7ac1d6af';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\/9025871346?__cf_chl_rt_tk=Gd4JbVOPm7G8aasd970UWoG7vJG2JSBxM5c1Cli8TXk-1739180213-1.0.1.1-3rflQrceRL3NeUvOKvw3yfCM7y6NiM1OK7e2VIXCqhY" + 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