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-917773788605.mit-edu.top/post/3816052749

  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-917773788605.mit-edu.top",cType: 'managed',cRay: '90f7bf13dab482e4',cH: '3xYpJM07CqDY0lx7BXdseaET9H5yx037F6G9t621SPw-1739144865-1.2.1.1-hbMeSahDmrSSOA1xBduohFk6on1YG4itZj6k5Uazzic.4FIKKqo6EUCDqdvY0chp',cUPMDTk: "\/post\/3816052749?__cf_chl_tk=blr82SwyMtAVrsxipwavvrkwK5TzJY5OwkxUWs7vWi8-1739144865-1.0.1.1-b9nS50LD1YC8ZI72Z.jrrzjtHZawxXblu4lH2pgdfbc",cFPWv: 'g',cITimeS: '1739144865',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3816052749?__cf_chl_f_tk=blr82SwyMtAVrsxipwavvrkwK5TzJY5OwkxUWs7vWi8-1739144865-1.0.1.1-b9nS50LD1YC8ZI72Z.jrrzjtHZawxXblu4lH2pgdfbc",md: "h_OiUxCxtv_5K5kNYykOh7xfkR3JtQnkJiuOdzea_Dc-1739144865-1.2.1.1-o2UxwR6HzY9LvAaq4Gu4wkT5q2ghEg0FLxmSgaqT8ZCHfx_pmuPaIHEHt0VtzR5jCZVC6cSh1GKuCJGaQhSSUSWzbF9urRMGeaWUBze8AE7nNlsFW.42O.Sht7JulVohS8Q0GEGnvpbi5uhb_5pXhsk5s.ulNqW6LCKxBnLe3hFst0ewvHKVMIaL.Wtie2mK70mRcNRwq39vQAaCS3srns8CllA2MEaJ3J1LnQ22FqNn0gzM.gvYrnEq0PdrU8P7wfkArk5bmGZD3JS1w3t1wHFqdEPwKb9k34i.9jDvKw3wHmYweRT1gKLUnRqORY3yPhAXnDAXUoNwwQ4inShJOF5AXuyUId1sY22D6r7RM5MIpSU_ND2sTInfVk40jLHpCbeJ3AlfnccCClhHc60UIjwCDllXqsplwpMK6qwENWb7PoFzxOOPwRPYYRV7.t5JaYIKhFrhgWtGUqRNkJ_1a30pwf_8mH4u0gIY5TuU1d.dI_9VCRm.vuO6ElwI6W_vwCFtlfiUXKYGbE3scbtrZ323DovF6dtdbhofXrdBpjGCLsLnFgg1lOSx2ope3oKyyl8WGyKXQxCWwfDoswqlk_wLZU1UAGy_rFkVO4mG6DO44LwNt0cexZJb2NgU3x9ED8o6xNioJ5f9cVFk0WpNw9YHntDIwrfpJmwWjnyN2B56wpAPhDTA8zpbzeuj7DYG3r7732RCk6uYSyDJ00buZd6UjXVx8iww1R.WtN2drvNwyPS7Vi9k0OTg..4NGxJROp5sJ3BcWPgbkaO.s5oXRxEwLTByozj.jZyUv1A62Gv_cztaFj0UPimSLbye8xokYl_nWM8YWyT31DCRNPW4blsyJLM1WPVxHiI377fG_ZE5l.ksN84ZOd6UNoUv04LmFDOuVhdCmjTo_Du7IfqhSfpBda.GoixrBeGgoTiHOGbATSydXxi2YBqH4qQYWLFxBqtY3MBiVzL7TSr4rxLHFPeF5HdyzQqYMDcW6K.q8b9unpmSPuJk7WjVlo8TrJyyjY0XWiKHHkecq8mI8rDiXJRhS8V97gd6yg66_6L.IA1ur7xcoL.IWmJcv334hnQB9OdM.539pOXCeqeea4TteQK8mrQy_3ZRQShEUSzLNxR9WR2fxfVoZ9MVKXmSp92IUjtkJq2PoEI_TCXpgff2NEHqVxq9kF6BkRlm0h7Zm45y7fTJnCwI0QDSmzmrHg7VhTKpet5deogWY6IDmhLF82MPPQFK4mMp9UyeD1igxXF5Pbp.iVTe738UYQ6w5Ee3JnebDKCmUljOAmil.pcDd8Pu1y9laRBX91at7vYNA7wIR9_s.KAUi8lva4rvc_a7locNq0K0y1qHznAZcYMiXeHGicrfnwhMELwHtvG4h9mqAan50bdrbZJrzoGCiYsV1EY2DT_iaXwhVaJutjwfC5eJiEuNc7zqKY5JLHxCdyIQYGrAF6tfMS9PRTnJ19dtOEBl9mVvKZFfDJ7cJ6CocbFlfK.OkCoRRMIkL8Qg6cqexakdfJ0zpkGHq.Xup75F7c5kylOdMK.usSiyMIMak68Bn4VDwl74DRbEVVy_La.Ry5nZ4Xpb.y74t6mt60qHRDvKmQGBavSvkh_rs8FqN5KazpJrcjEHSIYBu0JcLWeUZDLskE0f5ozvXuSxNYm7CA12r2Cl7O4.cOherzA_UIsQxqHRExowlS.G6JPWupkXMmNjsY726a.DxMoaL02qP_EOmypZHnIME0az8KMhN4d.lvNW8ak3bya1sYuc0_YibzljIZdqqzQHa_ZNFSjdU3g7t.jZlCyIxFUdw2O9YjzXVAvnSTbcMBpA5nERKCwoYt9K032k1_Nm0.8OqtyyS3ojQVtyhoc3ZXzXc.Zm.RaQNGgW28Ejk9G87fk883_KFzWuyOhlixcIEi64_jzX_3QOMCBUb_N25xP2j95X4P2_G3U6o6ERSz9.ZDIQbM7zT41w63fIxvxvDZdmFOj0df3zPtAjjtVMBAG_gIUq0SPaG.srxPUZV.i5FPvizo2r0PX.KvnsSskfLWpJInLynTzYS85wWXKEo4bRbtwJxi.9fI2qqsld3hjABlefAtfF33DgaQ94WxpDRyDWhC7afa_MlHUmh.Ebfth23TMHW.5b6TyqK5fjN8VqnxI91fjgExnxERI.PZo2PatUVqcAKHuxwyFlZbue5cdWikwXjfovtQ3mEXPxmQy5uYj54k2ARG5QJ.m6Rxvhg2zZla6u",mdrd: "mpXETV3RBsj94QTEvvd9cP2a6B4tqYq70BbK.AHLPwo-1739144865-1.2.1.1-8QZP1SOavuEN7KeyCVM7e1AcAp6Xt1Pe7WV93XpT7V07SqGxt1kREAxxkGsXeGE9x15BOkHIznHgpN.blHuQTB3Sa6KN6pCVod_cPtfoCLvptjzGBwWcQx3PCnZWAP1lCLYaylqPfYtKJb8jb1WjeLGcImpvGcr_iVmSNaLp1kze7KY2eu7am3Qe9hG7OkKcT8AJtajeaS1kCMowiUCyfBDjts98IG037261rsDimpbotKCvvAylzyluSbAsZFAjs2.tNoXQ_vM.WwjrZf8fgtj9plyjDIoRWJETDVXzht92HWruySiCKNFq__FTx3VlxtVzn1s67jgls8EIwOYFTcuq3uumDp7z77qKeoyOufTGO758M_9ki885mYOWYbYj1SYajKK.eU3Yc7_cCLxTBmgQQ65y9IJ99fOdZsEosmrFcKEF7E1K_2m9tWIM0OEa4rmzZhpqjQGwdYHYs09XRREuk3PaTGCi7AHdICo5.oyBxNnOujwROyKA12XvvvilgvHecwH9mI.0Xkjvg_yEQ_4VyZydkXc91kjvxbtqgUfm.2hBeULDEYZIkQV6afaLUwnXLta9UYHUT0FconD5QA_cdqys4jzM236.nplB8_mf9FtiJTES1YXkO7M5q4sI3wEsq5rLHkrkk3NsOyEyaSzcAckNsWANqsidPfwjPGoyCOpl7m.81ERFoeyMcEh9MFDAIgXsPJXLOLEiEYwWLrZZHc8chY9Apghgl01hETKwJhJjh0i4RlP5zHnlXTkqeXPm2_hdFVLCIW22CYBj2Ih_f8swG0RlXkMI263i_eMHNCpSNK272MzYHk.kKfoXMpQOxeCVvl3gMWRKXATobCnMZN.IkuICFRrUnF6yMaeclr78JBX6j1qdOHcmbwNYmXM_yvhJgzg4h3VZccT75c5oLSE95ZsMzoCFD9NLDL5K3NyTkwgC5NeROFNqqRhwd4IYd9fhJE5GZzNdQnUxdUy0OIJgD_ab9lZy_q9U9MIPkuCJGpIN_7c9HIlY6HRbub3zNEnis7mDUuZ2AMgw6rxPIE8LnTXUKVTuuEwejLWop9TWGelVM4xlm01giBNBHkmNBsVqsEcGCZYLOfQs6INs4zs33xXQimORgRavlZn4QwYY_jPyd1Pv.QgZUulzmmFJm8iL7LCQQ9sff0yZGy0MXOI6wxG3iJHBc2VIbI4qenAcB7MbCZibYjsxCZDSv8Y17r5fc3jXSqJgAyWhWFTTo9Y3rpPbm5do_5lzL3G4m02Rqv8M2rOoc1gkIQ7lz4q321FSfwhjNwq2pXsjTbPNO3Eb7LvkxedBsIF5ijU8H5Iz..jQsuD.mBIREcYsyofbunrGDz6XnxTXNelVP2Xek5dlyF.JNnkKPtOuuFXNOUSXylf63zqadRQyBzqpO1QYnHhAGdiMxOqDQNyoQ1kHEg9uHXu0FghrNy7xSdukhcpjDeii8mnF.ma8qWSrOV0N7XVInXrM85ebw33c0x0Hk5ujSY1HFRnKrZAflToqAc5.p0ystirn0G_hI5lyWt2B7DH877qLmQoIeRJdLZs6y5YRj8mp1dsH8gkS5v_23yGTgIu1sDRB12tw2yR7BEnBBeJZNhWT624Htbh.r3BjqIopblSQ6NLCEfhc9mkvIqDeK9ErGGnXNiNGH7Ud0CCNr6SpGWGhfgAsrYU7B0qHKP0mygyk4ikVycEil8BozQBNW1XoM1Uy9IxRSbmLqBTIPhHLAhH8ylATBt8dZrl83uWaAjUoNaKwm43cOHObDFEjYky8Y4KmjgLvdqpjzJseugBJqEnNZ4Mvcz30hQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7bf13dab482e4';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\/3816052749?__cf_chl_rt_tk=blr82SwyMtAVrsxipwavvrkwK5TzJY5OwkxUWs7vWi8-1739144865-1.0.1.1-b9nS50LD1YC8ZI72Z.jrrzjtHZawxXblu4lH2pgdfbc" + 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