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-affq522tj.mit-edu.top/post/7415086293

  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-affq522tj.mit-edu.top",cType: 'managed',cRay: '90f6c5022ad62d09',cH: 'HivmL0.nau4w6puJtf7s.90JaDpn.iq_HIYShm13rzI-1739134623-1.2.1.1-tuF4MN8rqFNCQExq8KKkJE50h4TBWTVpL6a_4Yqd5ozAm.E5UheFSAL0EfSheFAv',cUPMDTk: "\/post\/7415086293?__cf_chl_tk=zux9mECHBCwb.vbV.3.Wy7TTmQvI2qAS6rWq09_FYjA-1739134623-1.0.1.1-0gDHg7NWoS4Ht0XWjawWYiiY6JuJ03iOq719KbIYOXY",cFPWv: 'g',cITimeS: '1739134623',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7415086293?__cf_chl_f_tk=zux9mECHBCwb.vbV.3.Wy7TTmQvI2qAS6rWq09_FYjA-1739134623-1.0.1.1-0gDHg7NWoS4Ht0XWjawWYiiY6JuJ03iOq719KbIYOXY",md: "4L2asui7kPmSAy1IJf_.raVT.nrmwq9wFPl5VrNJuYM-1739134623-1.2.1.1-FDK0joDC3sLfpwiH244fF0NAJ9mwPgCcXlcMNdi1jwVxY5GxmNf2OPlL0NHut1m2vSKtsGPWrhDW_nkt2ZZZ9REKCB0ilY4wYRfwM9rEL0BxA4tJpk7ioHKQ38GPkhqR13mdGvqhv6o1gP0L5rUEwmLsrXZAY9H9jo6Auw7LLZtF.KtJ8Nx4fjZpBLomtBfmEvBnmX7YkQWP9eAGS_Xtsz3ex49C6Inlj5p4S0HoF6Iz4Ijz6.ldn2pXwlujJvyPoweG5hAtZx6kF3N0HCQlFxCkAYK.ziXOPlTGWYMOrTtsPANMiI8WJmsU5nVeXY2jawOZEppWNhYNdOY8tOC89ToUU6eY..kQIoZIRW3dbFAtDGyvcLjpSQNWPtwmIWYswPd8Nb3E3S2gY8qC_Q_HL3s5K.IBT4iz5zuz_Y2nFp3z7AU9EkTCphwqa8lizv5V.jlbptsCMmnJ6.nxmK08CzySkjTbFXJCadKwJBzJGPMBVY54RBfP3L4d9ohQSSgnkPGqNqE5TUJo5QmXIWC0Jnht91507p1sQltnRWU19CoTPm4n08kb0I9.uYA9KgY1wJNBX7Fj4FxO1Gxsy5V2S_MLDScKlk.SIYdkwjmZm5U38Asa3cASV_YrX28W.8XQQjztJSIsBeB2Q0Sdc2dzyZJwaxMVHvxqhw5DpNpWfnyKmo66VqBAxjiY7_2zYsfprgoblX9i2jDKY6n9wgWohT.fLg5oo_jAX98xOMmIVsCYWTv010EMQaj5qKTNj35SbO22BfK5qMVyCpHpc_40_RTBppbEALgzWAlupLibhxmBJJy3aP8LVtduKPc1jo7cvnV9ICE536VH_H_CMqAG0vlQdxP15ok2xohbukGFRTOwf6U.09Ypah54GHwm7JE2zu8S2RhjCpI8eqdC1K13UqrbCM_.a417yUqBeGWxEyebCHcNWuu3BCZEaBECtjVbcsfpmlnBgU57TvO5TbuHhBIlrbt9uzeulNNmOI7j_xrAMXWsu_aXPGih9yEObPtBJ1qchO2B96bN3We_QANouqnkibV4q16N4x_taKeezo3MZBy21CPpfDI5fX8YdnXqEzn6AOagzfofnuQgfKhjHJ6xsER7GHWnIA66mIifMObtKzFFmZm7MVVb1lnKLKkzj0AuCqTf3Rn2.UuLb2QUzYetA8uV0ffZWu_Vt6xuacxMu_x9OoUEPqL3fbuel2V2bCoW0hMUjKutn7J1dot3wgoGGFJOn1qbcqarYQJS18b8O6TqCHhtwyz8QVcefr07hIqnLLNBwxrfrBZFpabE6GqLz2pT1LqAWrQQmyeRoS6PhSoi9p8447o5onjkIt8F1WKSsSkGDlHO2BgEffgJeKhZT9vtUnEKI1YwV9Da_E3IU6pfxHtsh0yMcf57LPMu5aADQy1u1RXKybUG9R0vNYiOFFSVk0dVuJcYnxuK6Kar6a7uC36slSuOWSS5S4MWSEB5SGbVTnN0UhIySiUcqVawnT8IAep2V9VdgqDYPgz2lJksKYV.aCJRMr60rQTPhm5jkYxKHhVHnJ3jcyEB9W7z1TgPwJ6C19Hv36WQYPflLZvABq1ZdJdLuRaqG2MyFmmJ2.AEnGVIldl5hvanARGwvheYyciChN2Eug_XFqaxEL6mJmaPJfG1d9LCa7w0TN3a.JXCiIOcZ0XMwdI9ZFmxWF6Rxdwbvk3vKd40FtraTLNLZOFTRQUNRfFz4F7BEu9E4gUvWD_bp1.Q19YLpPefkir3I1myWIXvSK2M0GBqfzNoorO3WN83HGLBHQ8bH0sAqJfhjLhUpDK42.WVzNm51fusDCdhVvf68M5xtszZ2r1naNrDXdeVDm7RAXCvzv8qcfZjEK7nxqgy6w12sIK0g_tNOBnnuny4WTaU3xQzjyVzfS7NKg4rsgTLQcSC.ETs6M4yJ4VBHLa0tepBeXa169F8CuIOFDD5Y2MH1kZ_TqhrH3J.FBEGFRWdR3BjNWHT7Nqk5MHscd1u0LZ6mzfTAv9qKBIYpPqpqUL4mdTIo8Q_n5S6xWNMRCc3HRIN4H8Ju9TOW9DXt8EbM0d.iajEzX10YpnD65mgTsCykau8S4FNOTZ2whswscnTYJ78bgEwNN9c2iqaFlDU9MO5AqKGEwXglGI9BZOIpsGjM63dxKZ.GLxeWffCv5dPGzGekRl8ts8wM1GQLeOkn0AMhiOVIJAJvCGHO4HO3UWpf8xrZnd9_YGr2iOsSjDYh2NZ",mdrd: "muIUvlswXgsvBlOdn0KnawYg0OHLOTYHhKvWzgFAV_E-1739134623-1.2.1.1-fqoDnItXDPigMDMYJplQjA62kO4BPxF4x1d4fKWnrWoMQtUNHMZD2PTzor2_TEVWk.zeSLBpoWmTwMyYYqvSX4ypzMJbnAi_1PzRncfIF85F.iVxZo2hGmGkIuq_SEHyw7FnPJSP3iilkF_YsuhUATprpC0Un1A3gXQDzEHGCixWXauopqatUFqHvsfxwiOhx0l_2UMFG.3l_q89ZvqPhyqyeyPEvAb_3pnWzk26uiXRJEY.rquk3EQytJEO3oavo7Mgc7.wuDzeCN2FXBaCJFXRqCqS4AtD0cffzMwK4o8B5rKh7Z1Hby2BLawL4ReyiRL7WLEhoB31RM.W.xFoDBBI6vwY..lBVfIz3.k.U5kn2e7ZL99.rFMOpJh85g3_3YY5F4HIVEjRaDRQl8kdPGZqr.uhTVUYmPOHk0PwglpLXjbcqXMULiOE2FEXw8fAZJdE3Bdv9SvAiOBK64D_XaJY8sp.nyztIKZhNjnr6WFQWKa2jYIQPXpl9quTTaJyECo_C6aXVmklD6JOId.8x3AGXrLxxnfk0T9HoGogiIz2F6LPL2raiENfwr3nW71RhwgAkRa9wZbma6D0G.SjD11K.zO9dSC0bC_dzu4BC0yAlSCZeNYUkIjFxSxSDFaMrF314DcpXCcOz.4tkey3FeqqLDPWVWl.H9AIU3RV1ndKo.pzfEwKCdawrOjbVDVoQbEZfZUKKQ2m1s6TB49HLNWEc_3yJWEf.Yalw.95srajp3NAntEdZ2hwO60FP_7eeqPc1QYc0RvBFekht63YOV5Dw557GS0ujI3lr_SQPMxG0sylJdxgKCKUdp.SpcOy9bOvTEG7DFAAXhVy_JIzTqv5KGC_pKEV9b9Fox0WNW41vpz1uvwIXR3CR41iooek0_rDwIN1sitgBseloIVwgDE7zY5I7uxKZwZBvx7IbWK0AcgSzLYyfH5iLUuxWTRJi6BwpXiJbmeEkOTvDbt6uk571KAqobdHheNk_6Xs3P58TNcgV3TByK8zcQSS5nD.qB7CeuIliFLaVAFZyc.XsmNYvZY3_NJujMGk7krSXdzd03tMebJ4fXE4kX7OY3m0B7aC7i19Bjoqy_vVo2S2aQAug3uTGBQx1f2aB1B6n_8LUC1AMenhbigh6xUFTIJr88cgJiRGBKLsZw.7_51EJkLYZHE.d7z.p2FTNs10h4H.qp0mbbGR05hXKPmF8T05l0Znh0ZV8sNDB.j5vYDVApkFAeXW7aLNm.nlq9OxOlVCaXGJVn0FuxBZPRZu0Zk8H8ae9vJMpGSh1i5HtS55hkYDDqTmgVjFeKBsMKUNyvuTO66rEBmrCZNs0ign1X.K..aAqcsGeUfx6S_rp41g2FMjrg7DOiKFv25BOPQybmm36yJWc8qDmmCDs3d6WDTGGLOKh4zD4hiF8PQ9_.I4CSmY84RUEe.5W9ibpslQtMEhjNpqmagSlLOl0swBA9u6xYz5_szo14H1rS.XPTRoRB9jkBgmD3SD6jmCWB_RSjt8t0udsisWHv5fA_riAx4LxXWuAtuiiLINuxg8ic_1ZSKh3hbNeeFraBoM_0Wvl4RPsAFpQjm.9MZXHhs_nu9ZUrO173ShmIEgpxgZLf7f.vFWnQ3TjVXhsjYlr24cr2oPszvgZB2d_hsGzbLxNIbjZAHS7_UrkFoDw.GcRv91QLED7LFVEwuKoITwfAKbhn1zDIuBaSXC74vXC0Lw6OTvUjgEm7m9frFqpPYjyKMJCh0iLOQe4.4E7U.8tZnPDsshvs_bCRaBKRHJcOEnZRQaGJ9Ol0y8xGYE1ridLj2QkA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f6c5022ad62d09';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\/7415086293?__cf_chl_rt_tk=zux9mECHBCwb.vbV.3.Wy7TTmQvI2qAS6rWq09_FYjA-1739134623-1.0.1.1-0gDHg7NWoS4Ht0XWjawWYiiY6JuJ03iOq719KbIYOXY" + 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