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-affd1doxz.mit-edu.top/post/2316709584

  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-affd1doxz.mit-edu.top",cType: 'managed',cRay: '910ab33e0a7839af',cH: 'a.8NPHZNYKeCYkYINz4JtdQS8fBORr_Pt8bOv1vnJms-1739343610-1.2.1.1-BYsojCLezRDrvPX.3aT099V_rdMixah6vNfKuZZ2flhaKnhiySaOQu0iMppZrgvx',cUPMDTk: "\/post\/2316709584?__cf_chl_tk=dFaaOSLTg2uC8x2gMHgKBHtp99MJRb8hnez9ijOrI.U-1739343610-1.0.1.1-a_XNc4QwNGwvpxwFf.xN5kanCZ4vfr8N7mwkTGNFgnY",cFPWv: 'g',cITimeS: '1739343610',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2316709584?__cf_chl_f_tk=dFaaOSLTg2uC8x2gMHgKBHtp99MJRb8hnez9ijOrI.U-1739343610-1.0.1.1-a_XNc4QwNGwvpxwFf.xN5kanCZ4vfr8N7mwkTGNFgnY",md: "MmjDJfGhpllIxXOYJqECtIvn.Ud.UAlPRvbZG6WHthI-1739343610-1.2.1.1-F__Rjf56x.Hu6EdMpMFfNRM6kvkBZPOU7_RsJBWoUu2lFs8d0o0PBsstgaa6QfDqkGqIHbb6.YHvBbAl0yKYVm_tPbXA7LfE.Ltax7.gAFZ2qAmfRnpXyBzz4f9gobsc3ju_zpvSeYQxOVOpF4wh.HLK2C9DDzmwgazR7FCtH.RB_NjeThmiT1tqa_e9_ftW8WIx5aWJLiQo3_1kGyKAAzBMMEyy9a7DMQ4jJinplRX8.UtAfVZDq8rANmPJj8or9L0xt1OSZJDJHeSIz94Ta_08JCLzt8hl8vmilS_jYpc6Ph8clcBRjMFCmJfRmuMywx7NtJU1YGs0Ph.JVpL1lRGSrkqRRqfDQD_aCzrZojpxjk5jY7z2o3FQe9mjYrlCnMiMX1iyK2BR36LLBraL_f9fj1pSr6rpcfvofNmK_Y_DIBIOaL1xyI6QR3ucCJPJL_GDG7_BvBtA7oWRqjWS5FlNtm7PeIb4y3v1Q9fGbpO_OxbfgzzFbxdJAgSX6SD4D87gzKgKcJAkf4PYTZAK_cXU_bp8TIM54MoIhgJjoN2XOqPJEyIm94byNihfpSNIdbS.reErjYvKOm840atda0zPsdd_x2bHtwZ0sElogROBPmiXSADpfrD3lXyw04IhG5fcqeNbdFLwHRuYF3NzQNfpBbE4_WWaAf3OaNy3O8_Cn40SUQCIq97DvbPj6tgzagLYsZr6v4X2XgLzOzPH2naTl1oa.3v_TlR56MXTofG8vImEksvEq5ov.TWnJ.X9bfLK4QK2MjM_ASWRTRkN5l2GgkyHbGeN0CwVto0IPfEYfArZQ1Z0G0JCkZmKduW4tlPzrT_FdwCM884aYHV_8a1ixOolBB0X70M_9rtvqzHQ9BXp0k8ywCoxlwhpyejHXSEUCkQEgky_yM7euZ2BMKrvIbxNppDS2w74aNEsfkTvuAe0o91Z5umYciTqXRAEqX5aU08lQHd4iW13gw_h9TN7KmEdXsGjVxxgiqpysafMSrYD9kfWH3GRrxe0yBBehZqx8X9Gu.u.cnkj6G_uuR1uYumsabp2.PhIkLhTpw467Q63wGTeOx0uKoNM9BmahYB5DOWsUQFnex_tJz8NzEHb0SA6GqgPfFHncl0FRFiYu5fluZVursEaoT6.OO6ALy_bIaD8HbjurXIenu4dQ9wJF6PZNjuxQHr2WkGBYIm9tHQUhnbUYCu6pElv863iYsQ2i_DA2w_mg3Q4qzZIc23Domgsb935x.6mw9g1JhJrELOMKDr0eFT1Wv9ToqMZuCvlJUnfb7GDF4.9kE8fpPINudVhGujk6Ahi0A7sZmdi3j92H3pizjJawK8NTwezblk9sL70QPz52Nzn0rbORxIRP9ys3cl_X.NTp2JMeLfCAhAvDYdWrIT.WGflXCUy09eKJwSmFCk_9FMwCn8WYD.aK2CHt1etOjQ41dZfjdln_GpGMvZtBUpRKTwZJ0ct9SeE1LDFy40V8cyJYjgNDDBSjxVHsIc3jQ4Mj43RwZ4GBMlZL51QtB54Sm1PwrEtaqOkf.eMgAzrPBBfLM_X43v8axptk3Ela0GORObiSibw.doUV.WS8xxxk8JcVs8k1nP5AcCFEcoly7QsB38._0bSIdVgRwA.mudCGFGfjaeqpD2Zwf.Q8rF4KocsPEstimHFX8BVijbEZ7Srz3ExgCWb3xVaiJ0VOtMQPe5GFjdIySsL25ute8EFYp_klc.oR.HYm.Md6uYAgK9DFvZ4Ng0uB22f4Bx7YYvc0_OB85PokCEdaPisK51Ewe1yPBn5gc65uhhSV6MLcDce.BCLl0ey6NA6pnMWt4TxNY24aXMboWwMlIlB.uOMb93aSa6UoMNsWt6Aq00qhU9YZN.tn5ANUTddH.0056jw1L5mo5V37YwTAqWq_RzMuuHLCAajPszUTWDG42JHUySE6gPqqchZWx1_grACSpeBmHjo7zbFJB3Cb3FnrZFQdy84MmCZyKtTtrdfEqBU53Br7oEY65BJMVr0nOZP1AzHD7egk3A3CJcurlCzA9bxoVz0YF.eV89JhDUL4yvjpqWJiOBNpXlUqSY81J2UwhfB6lMpATdmNUyls_KWYVB4ItVrI60FkndpjLlNuG7XxrVi0faO0e4425CdrTVAmTvtuUpolvYF_js.NWlqLazXL337HMEhPkhycNwFFjelIfNwUVhD4H2Wso1me_7G4Ghv8fmSYnDpWSbUnF6Tl9hIRBhgzUOx",mdrd: "9t52aGeLG0QK9YDU.9.g_rKtlWRMXfCtRKkXtrd3GJg-1739343610-1.2.1.1-GBUkcdynRY7vnAjMUVX1J72BFdETjls3rwaRahLMC.k5mYr0nOgxw92mhYPcv25uFMCGIx0hzMIAfrqHIT9bnCY9Ya8aF3tOaVS0Up_ZcpSZj6WnKy1WErSYQHIV3ftQ7Aaz6mWrE2r6A0Un4ZVZCzodIdSzZF6fFJAToWiUoWJbX2gtdtdeZ7rRvYxqPD2llaJzKN2NA_Fq0L6i60PrN5PJ19Xc4Wz1FU1C721u_Qyrz2ceJ26mbHpJtsljyx829SLgNqHra1fgi7tvVPFiu66n7qfp5OCzrCH0.E46QEd.vsKVyOSHYmAwde0si9fjH6TMMSVeocshuOBqJiniUTJnHU.C3aMzORo01wWTjssfQuYipg0sbIzJ7Jn3dIEAoiORk1gdmIWMNak8OTsaYpNlSKEiyezsoznFCfbqCq9MLv7KOH_u_aZOjkJPzrUjKLQnBx_hHqQKACVNDf8ZjGHXOdu3ktELRCGoS5KSqNpNj2MDH6uS7XaYO.HcPhciMxhbDhQVxe6wkAqaSoxer8cnxqMSyfPUsPA88GX5cisEFNHnt9jASjBHprEunT7JDxJasBrREXVyK0vFBvPheq1Rouw89kecjR.DPC7J0Lp22UHaFXEKErCzJBctQesTl4CIqKY.qUaHqQBvrSJaflFi7h0eDzskzh29.2hIZz7AzCPDyf7ZlCjWS60sW62BiyLYuYeBKFE.yvOx.UTcXEa_3LYqemXiAg1SxXZ4FBWgJKvWMl8Ya6LF1rouoanPDKE13_5NKROI_xX0sBcwTxiTFOirs5pwh4EBDnutdzHKPJZiT1yI3zqhs45UNzaNJOvUVLfXdn3H.ViBYQEJHu288ulOpSWWAxfbT2T.8qsn54xuDDkPC1H0l6Lpu4qiWiTWCYwQJ0atgVV1ZMP4BYQ2745VYIH.KsVWCaSS7yfw5_OUlc3U13ide6JlRNAl9zA4XcYHaaJmE2TNvzzF5ydEc43jkNPENIAKzpMdQfy4zTUN2xQ3nWVsHd9Ziq.QPZjFCOHgzHyRZ8QdDH2G0QwRiaM2gJ8nVGd5D7FhtysOHUxirytoy5EqVUPTl7Q92s6ZRX6clJoxa1AOjoRdIG.87jWarZTdl21WabzsllOsbJD4iFiqeXN7uclrph2os_pMS._Xn25os.F__IazqNtQ5xdTBYC1cJHKYWFVU9U7Rntm5x7oseRJO4tNKggn_8JXcpMOhiQ_fEIWaytUavZZmWUXa0bgSYjhiL0l7UyXVUGDoS4vqj_Yp3Tuqu6ouT3TQ_iH6Pdu8fmaZ1qBzM7YNttD4YJvwmf1WUvN8XLROTgrdQZHeP.afVw4NC_bxgjLxtU4c0YMNv3cc2BJuBPOxPQmOKycq1GK_FhJxmiej_N098GPukbx_3JFBuJ1x0.D0axJM2o4g9SvpbcXYLqi2cOwQt4s8AnNMnvBkBYA1K4t3cNsGF22JdL8l7UQioKFZ0MfDNvSYbjeqx7a.ScEUErOjRzngU52pgCjNTUBh2KaKpJ_4cIDQTRKM4R8DEej2dmei11q3q1.yuH5ShtDz_pMhlwBeN9WY8.YNcgbvXO0bmptwN_v3NH3_phlq858O.V50r0ATfD0aRBMyIv9xsQF6Ei0JpmJxmdg5NVgd6aZxJZLyPz4Lw2F4tFTJOWNVU8KuA4hKnnkCNWcxWviMTRxYKdwnv3Cbtu1Vhr21fv5KP8zM5LSpH1ev_EhGjE9vIXI58ydTiexHVEX6E88wLEmiYCYz7VH.REMODif2qkkIj4M76cGinldKBku.1xlOuAe5ATHipy1nVIcMQoohd_k.tFskOQCrxSf.W0"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=910ab33e0a7839af';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\/2316709584?__cf_chl_rt_tk=dFaaOSLTg2uC8x2gMHgKBHtp99MJRb8hnez9ijOrI.U-1739343610-1.0.1.1-a_XNc4QwNGwvpxwFf.xN5kanCZ4vfr8N7mwkTGNFgnY" + 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