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-837739110389.mit-edu.top/post/1604879352

  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-837739110389.mit-edu.top",cType: 'managed',cRay: '91104b67cc145a81',cH: '.k6H9aQ1z_LaDgC5_tS0MLPgENDPcF9AcWfIBt9SxB0-1739402271-1.2.1.1-xZ5n5aZTTs1v3ZMPRBqxsswXqZ6kUEdYLLkhvKSCe4Q19eZ0q1eiHf74Pc2bfyCl',cUPMDTk: "\/post\/1604879352?__cf_chl_tk=McAU8L_P7VmAHgG5kf1IP8G3JzeNN0YYSG7jPNQtL7c-1739402271-1.0.1.1-Q8umpIAygWp1faJQsL2OoycmgsLF5a_MRgxmpMfNIzU",cFPWv: 'b',cITimeS: '1739402271',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1604879352?__cf_chl_f_tk=McAU8L_P7VmAHgG5kf1IP8G3JzeNN0YYSG7jPNQtL7c-1739402271-1.0.1.1-Q8umpIAygWp1faJQsL2OoycmgsLF5a_MRgxmpMfNIzU",md: "A6J_xYuVDxACFu2NoUCiQtuLzvhnqScDasgP.SRedeo-1739402271-1.2.1.1-VuobUyGSjEqrZjgTcq.HWtVR_3TmuP0Wm8K15VevVTRBGXRKHCy2hRf9CCF_tu9NAIr4ZJbxMzgRsFD_gPbCOJn0qHcNc9koTlsClE2GAB2Os6L2eNJV0v3APYzbNHJU5hY3WkDwh47ztzpps7lbR.Gu2Coo5dCuFq_iOMcDE4_RSWrVp_4g0QVhz1yMAzYte7VnUbpDl0WPNje8Plet_1DZ3Dqsib4KZxMukZklNViZWTjx8nrYQm2lNkAM6XhQmWm_epLDK2ybKxdnne194eWk702f4IlklZDtuQ1pFbG0oTe1VqlZKQ9L5NJCqzZN3VRulFSLDnBt3mZIVngZH78Zjn170WDcraoucwqfWq8132XHPy2vOcXcU5GVFw2hNmcrXpdIBE3khNtTwn3US8KEXTRrp8jdKAaa.iPt9QwJSTzgJPSQXbTd4aWXSNhyjgBIZG9oCbw83yuHpARDSD0UNAvMjzrb.bgtXzoKrnGngJgjA.x15_2FmJ.3sJb6NPWjBZhCJAdJ6_a7fYZK2GfCOqAOASGx41SJ6e0oJOoOW_Etmxym9d7sI7PIzUE5wtDbo_vMkxFOHUNhEKIK1ZVLmUqXc15Z6l8tNdqJdQvHDc6XTTudH.eXoDlDlV9lTdSolAXP.n.7Kylm_8DICQCPiDgJsWABQeXVlLPDPHkat8WOjSEowyHykAPy17UOGfy8hGRSl41hG9ERZMCyxDIBjJQSGzeu8CgGOByXuiBvfkkMyLrHwSHCzZH3JH0L8DiNtpkJEpEV0wYNkpFVVkeGozBRgu.A8KQRMoSOjuY5DszXfovoNLvxbwrOi9QzNM7Zw1Ax.wA9IpefQdvmL.6Hn.1BN2oLZk5ctEvC2lb8IFabUBQKjGkFc7OMbI.hwAe.FtTy46nJMa4shNBwdWAGMIe6oPpGjZ4NGgNW0slL4N7QlmmkNwUDfR5CUwdhQ2XbXtxWoHf81zLLA2bltSFptgBQXKCCVMtUk2bzELGocmBqfWrgmdAkY5iYzpL2n4PXyQtIEQ_nEXp.2.PWh9k9NmsKf9S8jfGDpNyHQmTSeCR.SiSV5frJWIdy4CH1SgWiveUV832iTatYB0rP3PAw_weQw.r7uAn7E9aWazBco7WpSqAZa26toGz7bQbJGElcmewlJbGVfkBR.SCGbvximD7.RmCBJchXf09cr0IJ936DBTJ1DA6TMF8o7ju8GEqA3nap7b09vJSGv9LWbzw5IzAyoovZKSWrAKkcRTjH4yO95sf5e8TMIGlePOWxjRemrFEgjX9duP0Yt_rAZssTsSjRDJ1vdBc.ol22Od67HGKx70Xbzxw4Oc5RDzRdrCO.IQQlQkiM2ybggX0D_d7WjfB_IyKaucDG2VLuHeDNCcHjTfo5BVwwCA_vkshMpFP.HIlHPuETYqlI.u7cXaKrrYgMK2b9AoA1Qxy6I7DLAigrOal6goYpUSIX0mFfm5X5G8MIGgkpokrcZTHv_SwHN14fXkxSKd2bkA8LHV89oHkyRKVlK3sBCz0XIPJbJrBCOzS0G7wTpkMOteQLxty3G9niKLQKYRZffMDKwizOgew8.kC0rXUG2nlSw49r8SA_iT0YtQC0hXTmLCu2i1XVRGR_r0WkCoNQmyH98wXh038Z9UXV2ClEKYF25yP4kT6WFglEvE.tqM5n_xnW447wR2IfLeJaq8HpIgWXl64zx99Eblz4lLYuTOtyrDdrXSDzCnakEsjL6KdCCm_sU00BVa0P1qf6.vIbxv_NV9oGk5ZfsSggPjC1X275RgSDC97PbWUh_JuZo0CVFNYZi2wkclKnI4xJnW1XrMkUe_S5TQGomG2n8qDPzHfw7gRtB8WHjS8MfzuqgLDUsW5_qR87REaAkO6zMXF476Bx0PTTSrDlIvxznuGG2226l5aQv2bS8fBYtafz3j20JZhjuFb3GrsBZ48WMeM4fl9sA3HipKJqehOb7_i1XvhrSCMR3P6HKB_fF88gx6MMCJ_F9HVCfkmwm2en9Dbyb9mSR9EfxQTCxfXwDHb0ZrPvtKke2Kf0H6iWE3NRYJ1LNEe6nZLsDer3pyTIYNsO07EkzWVVPUXRXFhqHbTIQ9DssO3oIjmsN9Ekk2AfUk2zjkxVROcQbrxo10AszqTjF.aGFsReALDEdKw6OiuWv36DGg07nzZIH2_z4wgkoF2WlK3FV7ZQi.OK91nzjgRcUu6P54K1CqzjNxZUBLYQWMhnbahq",mdrd: "oUvRnNc5nVMUbhcYrDw9ds96cgsDQgmzrvQMiE8xIyk-1739402271-1.2.1.1-VDUCMvG_e0sNhBoWadUbzcYx834ckPnVsWKru2p3AJN_SGTVWCSlY1ovM_ABpQ6PBteTdut5QBv76mWYdUDR31V1y5gkOk6vLgVygvyXEybMA313PSNMQtKclOQbiYIsmwMlg9sP4KQkddTsfr1ReGHsJfpWIIvka1gWstQ1NYVkoDPUuZCsgB8QPYC6mPuTdvXe7inUxHFvEw0O1_iGWzkXEvrdWq0EDX32VITosBdE2BbDsaG0qFQUAXJBlb3WZB3tK6NVI8jTFT7beNS8UhCCstGkbJtywzUwet9qFNBJy8O9eV27T8ea4NcGN.1N8GD6TbWqdJPdAzGEPrnMDawmWjizxYlk5RGV2XMysH3Y82WPHR0Gh4ERmeHk1Ts71GvLAkZ0dnX5hfso.7oj1yAmAKq85X5Nwi7quVaZR9wHjOvPItaBiCRloHD5m4vhxs34iiV3jsFoxYePvr7R7Q32SqHRznJBD8iQ9fJQ870idROq2.fLjoErxdh0HU1vArx2VB7UIq4mhtI_oNNtye.YefWE8d0WS9vIf1FPRuI73hUkdGXmnrWvSJ.NMhioIwNb5cCjY3ETu82Rrip9Cm9GHv3X1Z6VCr81mDVWGPVZ_hgirLEf5fxZFlmxOxlM_OglSTvcFLDaTVpfp1opilhuqHAqgYt8boV83LVfNwiR.cb9aq2XiosF5ij2mI1HfcgbP2RVg7h8Q7pkwrgLBC0pe_0aekJAd3lhAPJjQ0dJjdasQkC.WnsriYb9z8890FKFK78T8v4Ax.auQo_UKnyHZRZkr9HwFz832xmEZJ85acBWfYH_Rm2UE7DMGCzdty0c8Vfd4O1JtXevp2PIIBQCxZBOlqQau1W8I2SINQ6ZBB48gEDjxNwfZxaJTjKe_zVOFvtVIqx676amqHVx0nwJg0FCAc9uRUrt7pIAM8McyJU9LYhbkJpa3xrENtigj5WY6z0.RgpCKC2Wh9_.P_Dj5ojEQzDO21VkCS04nQuMzEm1YMERzMnGzs3gCfND7AvNAwaWQrGuExPQHBr5ZwHK1pkk9rO5aVXe2FNqu7Xkxp6AwgS6ssWWg7wY.gz8IFvO6AmHpJrfyUoDr2nDtufISxLueFXHth3BiwZqSnZLCnZgYUNkylTUlgX8Xcs1cK6YKIMYnVLznrzEjkJSVfVMaAGdvK3BzOAbdyJ1eR59n.ZnaleCjHFLZEpRJhiEgRo9KzIPEemc_Is91jGvg7urPf35dvHh.6B3PTUnkLqw73igvJoeYdKQGpBEYAarW64rQQz.ftuI.u2NrJytsqvxgBtp7.U2lDElqfBf7nVQWrH9DgFfw163x2.8Wl2aghspiuaCHPZM8PwDDJS.q3WJKWFHjVWkQsccyRsaddaEcwyX0SB32znefUhY_SD48x_1NVEeX20in2Xci4Ov8qi1rL9MngNsL0m2qUTgo9wqoCA_BXWScG8y3bXQVMTDTidb9E0CHwQscqR6OOFIzItIBDchaeV8CFtlVwQXn0yKuvhsTJBWmM4RZ0zxlAMfl2rvSejb0Ikuxj01rUNpc0peHHMDXMKgMCbqe0wssebjaUOo93mhx13yJIR18VN7ST96GTuJjfJmbHsTQHBVa3v.19vDHcuiZMgh7XggqcYNu2qs1wTRFT4gOt_XPlYB8OT7eERqMwVD0fZXPwfTJBvL.qWVTXDFNqDSG.uOg9glQo.6hrtvz6jHZXqFFk0XUx.Ux53wghlARiLOeyDXfLSG550oo_1fKgOU3xjaNhMtocby0ocsniNcS5Rw_l2.I.5j4O.9jJEn6f7uddO1G6V_jpb3ZoVro23hp5588Yw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91104b67cc145a81';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\/1604879352?__cf_chl_rt_tk=McAU8L_P7VmAHgG5kf1IP8G3JzeNN0YYSG7jPNQtL7c-1739402271-1.0.1.1-Q8umpIAygWp1faJQsL2OoycmgsLF5a_MRgxmpMfNIzU" + 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