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-affqd6s84.mit-edu.top/post/0245713968

  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-affqd6s84.mit-edu.top",cType: 'managed',cRay: '9109dad1a90c38a4',cH: 'cIFDZnFmdj_8UkEP.MX9zIwfx_MucHba5sWmYvq2CU8-1739334745-1.2.1.1-qPgEbETRj2YB2pDd4IEuIQZoyxL3b35oCS4mQeDL9fbCCfxjLiYwzsjsgFPSQ.dd',cUPMDTk: "\/post\/0245713968?__cf_chl_tk=FOH63AErSJd7h8Wn0NW5IuiRA858i3wYkJizMjYdBoU-1739334745-1.0.1.1-BySAPKleNYNu3uo2oyMhDlMQf4r25HTFu4enoOA6bSc",cFPWv: 'g',cITimeS: '1739334745',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0245713968?__cf_chl_f_tk=FOH63AErSJd7h8Wn0NW5IuiRA858i3wYkJizMjYdBoU-1739334745-1.0.1.1-BySAPKleNYNu3uo2oyMhDlMQf4r25HTFu4enoOA6bSc",md: "h4laS6mlKOMZEL3nZiLIHGkjd8k0qCr3v..cwkDnrZY-1739334745-1.2.1.1-1jPk3P8VkQcfGx0wx5RqX8qJCTcawzWyJ3BDKuiz_GuEsqp3w5Pxa6q1.zsQD9W14TL.gcs74A3zUhAzBCBGbjlrCItv6H8z6X8A9LjMRq5b5Qt2QygP7zI4hLFv8jCOpcyUxawliVYDlyMxMUPV6c7_XMY3uI0Oy_B1Zqi_ZNLx97um0hZKg9f8_VgTKBkjQuFxDnFrsW4k.xc24bgbdPxEqf29Q41ERpH5e523UKS8btgmyoE6Lk7hW4LkvEaT9W_cQkhamGS0X1crSc2xvuuieJds8sBXweLU9Cz4Y5BfFoj_nn003XUCknfJQfo4.nLZiHJ1AuKoJ9aQan6HHQg.oWEVPby3XZD786pIwm2kWvMFK_a0djj_ABvUoREp8uktSuA5OND.d0pf73THiBJF0xH1MgiRmX23BWlmT9VNSUUAVAatqES.HY3_SLX8GUCngW1ZwxxDFBJpdaQWumAO3LQKO3kMIilMPWGD.A2TyrbG4QW4qSKisvCYGo8UeGeBJat85bnmgoDHJuPxJLt.nvEFUupD538BYQxR4LKYfKRxmEaSnCO4acEh8BfMoBCgc3pKCwkgIACpzYEiPBDze.2g0W7RBJ8aXZ8d.ZXeaVHbXhOv9R_97kaJMvzrZwDmzBAqTyHUA0jNBV09pH5NlA9cqNbHqXg49bf.qN74VkC6yyG7pjEzNWvc9AGI8kzA1fuUEpFqfdwYLyNi2uL87pB2c_O71nvugDtAZICSdJNlZywZtq6.YQcwJWAZKzRVjtcSO7rvhZde5m59ji_lrn48u9TL0CgeoaXv.9Bh6J9JA6IK63hKKylZVE_9WBdf1eFRpj4WSPJoI8tFXEscH_xDZo2gUzMeHoy0kXJ0zYm47tPnrrQEwk5msNG5LRvVsgzSjKbFluITnw.ynFTZeWXGaSr7bkKWd2NC1bsbN1nwREo88i2YuUEaxqf8a7xS2lIrPtnlsABXrEN7AJ11sTOuoFP7.SoYowp4sHU6LPAQKa3K__pZStjG4IOs1yofhcVWk.7UZj_7fqKVcs5GA503DfNRyeP3dRu8.j8w4tT.lHPZiQO7iRiZ4LJ90Q2w2AiEu67jymIhhp0w_AviapXf7RtMuGfUja5fA4ECK_0PbPI52DctyR8hFMwFCUzVicP2a494F4eTFG7eBqqB.UFvZFbHSJuT8NeQJmqPoflCOXpA0D0oxqEJxdNRlz0u9rkDoIXd4p2fJNBdCfDlYxWABLoYT8rDJ84QXyrQ6qmsvCkrOvhLgh5JHXd2tB2nfHsG2j8nlBGHIADDBqx9HLt7Jrz9sp8VL5OdxoBHr.f8hPKJYqxKD.Ar5Sqw4yHqzrfeyNgdijuX2VaT75HTm.sz1CVW6jCYLgjTAW4W8OVaJH_6._qh2d6bxKnmPrB8Ph_d76IRofzXZMNohxw4NLY6665unNeB47X1V1RkQzHsY3y8VGK2y4p0z.bwpPdMF0mKLnpBi0N8yzaoPKUrkcDIPu2aHMNW4G6pSRV_490mKam1lRDAmLfqmBg8bqrbs8xmsnqKjbaw2RJ0SzxE77Hd_9y1ZH8aWd_Y.ASBmX54oc0IAzzdeeY9gQBYg8rz.Np_GyhHSOF84fDsRPF9ESMj7QVt_Itb6dDSiHmkAGc3dRw3.bWHyhfCCLx6dCo8M5MaYMi1J9_pwZQr7vOU9EfflRrb3Oy35x1PUSAtuXo26tR2Uy.VblH7SbdPt2feKDaebFhnEsJjKOFzWVbtFpT6f7WJI5I5vEZ2a.6J8Qyx7zMinlHRP1SYjNbiur9mri_WCYsZJkygvy5dTDZqY8IK2Y6nqiJPTdpcBXTnMN3lrHdzMZtxq7jJde0JLFvi1.K_.Myfff5DnIZbKjRY.ge6VfF70fsXZnPh9wzXsjjUnL0mUZCKdD3yFTrThNvN378C2ZqWVJjxp96Q662h1b3xFupiJRExUtpIphhAkLU02cwtPkPaK4wJP8rcrzvElr6mmXLUahDHm.0Vgm6.TAPZBKyhxCLfc7hrBFFkO7YXANmo_oqBKuHcWZMzn7lsriHgy0gaF.5CmMOBVPy0JNtqe7Ae84gCdhFdNTXRFxaeCl7Ofrx5iaTT_5cLsfGa9ioBVN9vJUscGCqhBINPEGdj3_66uz41Ci8ZnJbKhuwHISR9VXVWOALaEvhwBhveF6cZ0MyPFrV6bdoCLRAQTsIX97VqtwTG.qwM81LMvukZH0WOLYLAg7Kt3hiY",mdrd: "Wc62HRoAgKnrNxHeHc4mcOcyk4KUzZ3k1O.CIrCxOJc-1739334745-1.2.1.1-iMonJMsUZgDtNn0ZMdP8ViZYrf99ZAyOQbgKnU2vWmY5Xh96SIP_xXgshCj_SPqVZ3_d4zM9.CPlJFwXlAOaIBHIftk39bU1RrlsBhs2cwvuqD4rKkh.OfLU76qQTMm_DR5z6rR.v9Srg8Y1qtWmb.rqcPrro578FNoM5IEwbY8FkiTiw3jDQTWfmE6Z4nsWZPygynGcHRDgCzrPe_Wn8uo2TgvQ6ouRnd6Z7ZXqOha8.O4nz1nSWjnRjovJqMMcnl9a.ds68WUgZBkzJhxsuVXRVdJonMUJswuMyl90xbGcwjmw9mb2kwtZXDQyJ.hwoS5A6zA3YUSXDD53N2rt4dYNT1g78_OADAcBx9NiymaFARcz7EGIKd3U6pJyA6O5W_Ylze0QfEVNFr5FEMp8l_eWdGnfnsCOS9mOXtDL5_jO2MVPxFQ2x9kD9.QD9cd5cMfqsRpfsp4dxrAAEfmg6u7.9IIm3uTPN7fDGqncEyBg4VWISTiGwuYzweullO3l2okRVRluckpQx7OXv6UQl0pSDwNii0ETollhe_m7JgRAOkO2hBhqdzZqBCSRZYsmLiWkc3eMRwjmUKUpQDw.E0yMVIZhzMzKFjvjBfxqByqEA2ahLwOnQFR6cBLY8zD8quItVCYsFef7R_jbxFACHqk5.wNc7M9qOqODkt2MfeipiC0maRv0u.MphbZiLXK2lGuZeAq.sXEAvOu5yXEsPgWRr3_J1zSMCarDpoOVOoeF5om_nAYFC0q9JkYRZM8TD.E6ORFL2EJDwpm7gFhCAGdMSHvkuvfy2TvRZeDXATJ8o9Y4y4mCefVgEwo0PBzFqmPTavdZ_cvYZi_zcLMcMkRkvRHML0WUT7UpbxPiDY_GYpfHjxond8lbm.qMWlKJnYNDKlhsIp29K1_FFyr5Kh9N7_hT8K5ARNbFZaq4msjb427vWcKEj5vGX0UDyCYkFi6YpCqDSt9Gmns6pMpR4oMjy7ngujKUZe1o8UyWdvGli3xIn9iCRgFhAA16GEr5Z4CCw3uXZnpNnWRYkXenmZmcxL2bF6BFv1IUNx3p77MlfjhTmz0hT2kQL2qBQJz2PtLE83GjM8rtB9sfi3u6c5ow2IvDdn9v42Y90al8JNcBPNyZqGmtjKv.eFYWKTgK941AU0g9ztJTGpZrFyXAMYREAXss.MKMwmb2RFJZUqsuaxzwXtsjs6qUAn7S1xW4.3q..uT3bUSLPkghBUglLnjpS.QjP6Tok2ekosK5Lr9xT_531Mw5.c7luGrFSgGbQZq.mI8AOL1FWPUNJ_5lfvpqa33bIFgvb1RTsafAWz4xngI74l.FccSXApEerj0gPiN1cB.2lkpwjmXnyaOfw91vKtilXGBPxXOx2TAtR9u8hVN7dKxC3o_m.ZowOmSjBdNKurHbVBRV_oTaLxqaAgQWoI8xLFc6OdD2kLBWCd4d8NPx5Nvd2fCZb6kcug12oirUPcVOU7rKnuV9248_7c1W4y36fL5MkaJA4b0c2srvj_jNJoFh9fAF110HOPwFauixAaxNZAjJYZd5nFiNyp7mfK9CXLQecSFqT3AH5GNxvPFRw5CvLZact4auaBL7FZg0PzKxOiNxB3B5CSyAYZHKlIS4G_nz6IWWV9DA1UCjn.9dJ1hDmtep4eWea4os5E5ze0YxJNzVpXmBK_440mpbaM09Ko1AjHo5uebTR6QsvBRF7KNkL1b41EF4eE35n6yYpURcxKBpDQ5Bcj.D.5u1AwxHK9WX3Fmrw64btyh7LfiqTYqs5BXab6c6Df1w5_7CNmVSTR_MKX96.8JrAA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9109dad1a90c38a4';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\/0245713968?__cf_chl_rt_tk=FOH63AErSJd7h8Wn0NW5IuiRA858i3wYkJizMjYdBoU-1739334745-1.0.1.1-BySAPKleNYNu3uo2oyMhDlMQf4r25HTFu4enoOA6bSc" + 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