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-505118761528.mit-edu.top/post/4168025739

  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-505118761528.mit-edu.top",cType: 'managed',cRay: '910f840b5f3659f8',cH: 'mnod.bK6Q4xTdS_YcQa.fDoXKWMieqDSzlscYzhBMhI-1739394106-1.2.1.1-6cu8m.PRNOovmUPjvnUxY9_KSjFwIMnm7KhGH9zgveWxuHCKk1b8wckIosRMZZea',cUPMDTk: "\/post\/4168025739?__cf_chl_tk=yIqS9P_8lgqaxH9ijEPp_7AdowY6UHUwn.MyJdm25L0-1739394106-1.0.1.1-XKlShrcWE8nsCaz0pO.NcbuCznjxAlcpjrFq0d5w1do",cFPWv: 'b',cITimeS: '1739394106',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4168025739?__cf_chl_f_tk=yIqS9P_8lgqaxH9ijEPp_7AdowY6UHUwn.MyJdm25L0-1739394106-1.0.1.1-XKlShrcWE8nsCaz0pO.NcbuCznjxAlcpjrFq0d5w1do",md: "cw1jPtXfjYpDaWoV6JNscYNaesihCb3xHy3rap8MtoM-1739394106-1.2.1.1-di84zvDDJ5nO81LIE2JG5ZJ0JRxlPb4Yec5b9rQI6.RvlcHkhvsSMvQZUYpqER_BSDzbYpQusRlG2gzG9NW_gcZj.O_053Ud_SykV9IMxlkMuk01lBxaXs7u6z2qCZrD_hGHRJHCI4CgnJqTz5P5_yBuXdu8kms9TMNYcRvtWFp9_0_6kprTfDiBpkery6qO_.ZZfJxlqMeR1bKWWlqmrGrFTeLznD2k1RRWxVBAxxCM9sYXrd5UEUbSRfTDtjy6211P7TdTg4uVz3kokSuhwqhGDLk4Fmm9MDVFPiTGaMzqeKEFTSFXsm_cund7Jk9YYLKcIn_rNp249CBSlovMK_KCDoYgEYw8bVDSsMT_fn_b_7qACeReM373Xs_a3LJOo3J5ehTZtzApNJFTAjRnvWxUlZUCqwB.wSCIN4Cjlv_pTJTFqTiaMILlHe9ucdDORqWOpMNMe3mSJI9jRDu.bh7zDj8Wmtzcysb5bZvSXuXReJVVhs2OZwQyVS1IhCsUMoPcIKwTqsoCTDr1U_cJnhzduffzwJ6NY6beKOQgihZlI_6kDz9YTBnWcvdJZz9eX3TZdHLLIJPc3oS05i3tIatavHmdBHPHeADNdEhBPWZ10XOErksx7uhfujHzJF_TXV36Z4wyhiEKfIZSUjUD4_21YhPH27tN5uITJAcnU.cPXOFMYVksmBNa6alXxFq5Ykfleng7geFN6hG4xENIZ9_iXlmYfrJWXnVwLJfUnOypSylFhJ71wK_JdNkXwtDOB2oVvP6kr3ezfEXyUFsNvnuN_J9HG0L0gbLJHInCtvsGhQYXAY78gURxjIII6wd5EE_XjVxyjXqd1Zm31gfwGwX4DazOb.TKmLX1FEmEo5_cZy1Sn5MyeC82r4.Aq1GHW.EG7E3aRj7QDZUIWGX_Zfa_BYPskt9y59AsrPlU2ZTPe0tb8LjnrC7n6wx.wCNqh6jLgnEFDghqnxHqmfGP8kSPx.d4_qoU5Yfy6SpmprSUAR4Bzy80GjcBlMqlhzfdSSF8m_6JYH1PkQmqGWxAe5X0d1n3NMkc1OddZAlYmFrYanRg9YjNUOIKUdvfwN8qR8BFT_3PjAP2w4zVv_stZtF73_9cwSQCljo7el2RQ0SACHkpCbOnu72cOwtNvXIri36qpZZoKLFG7Ylc.4ePH0D_P.EDsBNBTGj_GOunvJBvInA8lrhltXYjd9ZorOTqgSVV1Lzc7cvcm0S5m3Fxjy7xWGG5Rd9B4c4rjc3ihouaOSUndcMYrnSYFdXd76pN0q6TaE1IKtDi.3a2bHHHwDuqBEzCWw4DpIj.fCSdRvapH.0amASueSofpeXwmZh0dlhS6J2jXvCExOWtTmuxE9m.DC0MIt9GChFEv8zWnd78bzgIK48W0wpqviWqW6RAlVznKCwiu.Ib10Pc6AIdp_ulkTfSrQmnWpl8sZecgJvCAlZ0O6tnWFsy5FCIFzMjRqKLymJ5t9J5qStLaPutLiJuj8p41hMawTTonN0NInk2OLNspNB10wahFu_QLIJDWwBIM9ee6Xk_Lq7KMOr8LXc2saPjULja5q1CUyxa1p0tAOkXw08H1PpkrEKPQDCNmo7YNLXW3ExTwGiJnFGpLZqRiExFewu612ERk5pq._u8jDfSawZhmJ8KRBiRrNGlTuqESzWDSohxAM3ozhd.MAROoizKwBAjApegjfCbfNFoh0f2xWghSLWyxERmdI_aO8Ew0NQxSQakhxMIui04LrYd6gFor6QZvx_Zc93RWEuOGH2ry4FweQDRZ1nne81YfCD76mI5jcgGtKoD32.xh.gN5v.ZLG9aSF4icfrIhTqeVMkaOnD4d8opaIMJHl9SrBoeP_vmgZ_CPOvPNQyMuc5EFNIUU4yvVDoF2pFJuCQyfiX6FGJTLcotJjulggJDt1PKQn3OS0DrcJnP1VAFkMAu3qbybCjgEi6YDY3j0PEosHdS1C0VXR_ukyiOMJTJfsCF1__Rex5OO9osvR28Ty9GVwKcJlRwoUMIDE0AW6g9NaNHc1UpdxW6nT.V3BY1LRFSkRx1znJR6pDqCDrQ4riFxv.pC3jLDcseFdHb4.134DLPxPCWvkTQE4rBWOW0sTKs2JupxPMCD12cREgvxLTqvBbZceX6MVpEP5KwidVZOkNK9.6sxBQx2kmDTPIIYVSGvR606RawgUAWDP0h_jbDzn3fm.2eBUxb4x1gm94Zniw9BMMcdNdJpgpQ3UlH",mdrd: "no8qGcAsi.3t4F4JxpHzAS_ksnAOx8m9LjjI6YoEw24-1739394106-1.2.1.1-xCJSWd4PLeinQdHVknEAhpc_LHR.EkrJXgzsNR78hLQY9CFF4_QShVtKZ6g8twW7Lov35VbZ6urxBXlPwAAsUqEW0HIhBMVaSDI2u3LOEHyAPRHtMH6CqS4qstIYq29es9xDy7xSejISSU5lPUg8YCGDvUSNnkZfq9ypOIr5lOocbad_Kar0BFC1cDnQ7RlcdR7piRVS29.yUICM5P9Zr0RQvvtyZIojBxuJFmsZMMAxUMNR10Cva1uDV0QxYBIzoE4mmE6UHgrU9mTu8fP.RAHYTxPZ.t0_UeV5dku3P75gnc0UQaTUnHT8wRkRN34XyKvqVT.L0aS.PDHLXVLp3FyW5PwvC.tTt4IPcfk5FLGhr_UQHACj4L9lzwba7SHFvurZpGnDjDyYNXf3ZcqJk7HJ7sWJ_kIqL41bwwz33zRSv2H7geSZl_u2fpjBLI45dTtlMoNlNJ0Xxth_No12JDY0eKdueHj9.ipEe5Ek01osPOR1NShUJvOy7gF9_pTaYMgy8GGbL4CxHc_jnJksGobpWJpBoh9WVAdBEu47BFdZDVbt8oNKE0tHVqJgjRtaUQG1RXH4MdkUBDouAiOo1_yL4gvUpY3HWvxZv8f0kfErtC.oISG0YnN0uVffi4YGprySyP5vqwAizWWrj5JfDFibaC1w4GFW4dW2zc63i6OFi42xVj6.jrb15MMVG2Cf1Nvz_SkCp7tY0Dk9irn6jHRLWnmC4UfEN2vAGvpvovBjdP84sIV0CwO9XZzIVnSxyox9ia3mn_VUSXLokn1Z6CTOSHOAnu9iIfpC6ZdHQoArlqGSWHaFFbw6AlBQ7VQujXw3OQG7x6ifH4vH5EgBRgFXs04Ttsgta_jNvWccJf6lf3s5O4AqFZcpjSfAIPzB9u7KARr304Mg.gwF54jb.SUk5nzL8ZKCDsmGktbcgD9h.FAu4Ulb3gU8KJAcEgA9h27hOVRUOac8juEnIHuSlAx4sx8mysuk1BegPJrtV2G62TIaIT0qyWjIThkgGXXareGk1o2nHRzCI59ueY03SDI68ZnFrFosEDOeJC40wuTec5N3RJbHPXJkZKPFw6oGiy7zDX9OHfrO1yYfxzv0GIkDtKIYVxaDk960AZFY44MAZg17YTgurIzAD9XayFKuI1_QmE25wiKvhZqYUW1HDpkihYmxZbr.a2dXxtuaI4LGOkVS36VO0K16SlcbxADEG4nJV3FT1cMGqvC5u4qy84g0AMDKrrnb97Yur1BldbpbwvgJnU7IdT0dJtRTZJj7aWkZUjoMl4pSqabQMtVL3rzj6OSEDJebggpZ8pRAF_Sh1TTTJHX7eDmHvcG3XaQvBvL9awUSHLiEZqPUsuypj.uAn7dx5URJf5yryMEwu3sv2ZbTqECYp97kNIj2x7MQ0EY8R3mpbQ67oAjZ25cytHEFhMhpJTbamTJu3ZKRi8h0P6kCfQuvY5eR7NBohT5QT2Mn2pDaQ1a1WgYOWT4HrIelAH50aqJIU0UHo_UVDa3hVaULnPo55LK28hD7AhiYDYImtRWF6Uhcmmzrm1DU.QUkk.kvGcEwF0SL.1mCjvJE2KjnFYaVhAre8VrnGu15l1EIIyb4yS3VfmTWtd_r_5oS01Y8qj9XN1_iHqi4qOZ93qKtOfa.e7cDTe5eaK68E6iyfavi3oRcN1dxAuoaIPn8gaKOBQfZ8H96UdPvVkwCavgoaOzyDs2CfGIamigoJLcxjigwzE2flSZOScUIfqEz.QqUGYRk65Ht.2OQHJ1ctlRYvQ4XTzpiRT3sY8PkVlfI0kWx1vJfNF_diWheew"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910f840b5f3659f8';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\/4168025739?__cf_chl_rt_tk=yIqS9P_8lgqaxH9ijEPp_7AdowY6UHUwn.MyJdm25L0-1739394106-1.0.1.1-XKlShrcWE8nsCaz0pO.NcbuCznjxAlcpjrFq0d5w1do" + 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