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-139916038451.mit-edu.top/post/4391826075

  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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-139916038451.mit-edu.top",cType: 'managed',cRay: '90f7e0511dda8029',cH: 'V1sCkbEcblWU.iRN.xEFHWsIHUezm9Dwgdzj2l68jwg-1739146227-1.2.1.1-R.BBh.g148t5vowbk79QKCC9gQndAG2fXVWXIq_ZwVa7roPjoXTQMBxSqt3kd3Ng',cUPMDTk: "\/post\/4391826075?__cf_chl_tk=sPOATwyYWOVANUepM.syHcUL2bCWrA2lBljoSwzNzAY-1739146227-1.0.1.1-Xfo4BA9H_BPajagWgvXQ1wtVHbnpLMMEMzfk6hGz_.4",cFPWv: 'g',cITimeS: '1739146227',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4391826075?__cf_chl_f_tk=sPOATwyYWOVANUepM.syHcUL2bCWrA2lBljoSwzNzAY-1739146227-1.0.1.1-Xfo4BA9H_BPajagWgvXQ1wtVHbnpLMMEMzfk6hGz_.4",md: "2kVAmpipQew9TapcNwViS9TcnLL5Xdi48IprM4Ekyv4-1739146227-1.2.1.1-eiA.uuKyiSYWDmOzlP4RIERzVHqI5cuokyQxf8h1l5PqIVgvEsUl_p_px1kxpKwZX_bEWuDDh9OU7vVEJ1lTax0eBjSPWratab2g8Oeuy95ys4Mqy_MqJ_u5otslE4Ri9pPrHNLMIbu5iymAbtJfPIVBPxkiYiWg9mOMzOcGnu_0OwSz6D8Zz1LUFk.BjMHm2.F.fGJ1sLBY01F5qyq4goWDtv4PwPaXb58AzbAZfZitBz1GdKQn_qbx.KcRYcxdUirhH82pzj_lsvYldESoTBAaAJNfwx23GaUWRrrJ18yndyEJkCNyGUdf32FrShzieAQpWQyX7jx7ORns5QQqL1lPaPCvcb88hHHj9ZUaMt6jxETaGC6afIiZGudLQqPHY_4i41n7J80hKyFjfwo9FtuqMJbG9.yHCDdsB1iBHNU.i8v3mcS5bQaciGJOiIsnDizrTPgV9cuyuyBaRiBoS8vDMqLPXDWo9vc9XkoJ7V011FbiHpl7cYL_B_5g5l9kr61hqZ3hVa9yCCQ0vPEornfcGbphIM9_kO4RaTFGgi1QFqHBPj8AKLm1AVg3KxKYiqWOyeFPw74uXHo07gQUHks3gLoE57wO2JICAqyNJFD3ilYdeoFvyuhrhWxQd.OiclLB996IJ4zqoCMbobVXsRsRUmQrZJIqPK0Ul8OkKdruhUrwZXsxxiFIfv09gtUW7KOKi1IaEUi8tFxzpNv_1.kfAhZXR5sbynP.RsL8lZ3N7aFQLvWUQCeMzyQUdre_ezhMnIUWejOZSqIR4_.QL2e4MtSJdUTFvLgjOOF.Y4DqXmtxTtHJDBtna5OGyMUmCxXvCic.xnsO8SzQGQILouXsTZsnENFzzCOgzi95.NfKC.fJqBPgzzkGuiDUw3HUPRYLjodJw03b1vRxa9vCdLZZ94Np58eAfrJhadQjhJfNrJBkvaOV5AUN7mJm7.502vGxXVSCLWyW4.AQlKnv4iexqWtRQhS8mPCBZrs6CBAbedCyXZB4hb9EUW973NCa7uwO0EieqF3YnxQ.Qioj_rEzaYD4MBNSwU3Vkkrqp0n5fzb8gTojtSWmpA6qWjQatlpKJ2ufa1.0HMqK1mkZ5gJmqcOKTkrbzBkiYz72NkRK0ZBTxfDO8tALxvuP1JifRyiMjhh9bedfs860kJ87r_1BZ_arxKdEwW8UZM0ewme3BmjRVW7lF6HRvjj4EBFRe37PUyPlSX_5yjkRjqZQqhEDnmxtKdVS0yHv8kqG.QehXB.hU9cJryGVmop6oB6ZFxT9cwbHREHtYyywtNI_cYnwO.vLG3k_jINwIN3uTUbWNk3yla.hw7VFMRfugiL5KDCzGqgmmMQCupTJm6z9NKECPpkfubcFdHgPx0pOOvoMKFxS2Whp7buKCr5vSyKYMtwpMomQ0mTTy8lgyXAqSDJ4r3BNBTSKqGGgP6anZBfCC6QSZBgx.j7dUGKgL4jPameYd79YNoM3Le8AUwEYzUsdKfV_378ogQUXhJps.Tk_GvypwFKn7twxid4PDtiIIUIwZqWlHSLnJvP9xoSmBQ8SaptwII67r7YpheS3grq_wsWYlFXxDVkMAGaw2CKry0435tgbFW..o1JFIsiWgA5On7bDFq22ajQxhnIUWcJmKSwt25b6lcgxL2KQVRkOrePmr.9G_rVnFnYL7A38OT6CPtd2SJx43CFF5oRUJfyYJNuJ32NzXuCs3EjpoWlmoeaBubKeIRsTIxEi4tzD8AVcd_S4RczZXECS8N.S3wFFSpmRKNZFjkAIljq99apsuwVQRyWZH5jwM33zrXsoeQYmaMPfVW11HtIeAr6BJfQ8gZrlWs7wiUdkj2gfL8zZRHblQ0UFTHA_WcLBcpnDR.mW__qJy1U4cNptSIBy1gchb0a7f9Y2Lq1LT4sWD7g0D1Y2rXBb9lgJVjFU.wRWYW16.q4.Y5xwIk7rQD6FrtV57W9OX27wmfBG.ZubcT5Ae41T.dPKZmp7kOo2cSbVzPOBEHmQwr1.kuh9y8g0kLPRg2OdJ8KaxVv8QUVsEf8tbeaMAZgArcwdpCImQhzl9XnSIrRMeELcNRR0PJwb_3Jsb_G9xSnqZXifWTlFhgCOvxz1loVIyf77TPu1GYKZiTeBmCSo92yyWe4hGUMezUZRGEYQgB.j9ECDgtl8F5g.AnuXEFLxjihphZ6rxbEj9EFbPbFYU2gcR7LAS5bPxkx6Kwb9oPYBrv10IctMRlUH",mdrd: "PY1PzGTuLlD24O08OjsXXqeAjvXF2Ue5BBGyiaX9Ogw-1739146227-1.2.1.1-3JpDzu_JU3SrIRQXzmZZd9vvkXvpiOQgdl1UKJS2zYisMngzA.l1WZzsxhlxDWJ.b_21NyD_36JiEmNXjT4ch4EzheOXBAdQp8NY7oDbSDtGZCy2n_wEtjfeNgpStzMS90Bf6M3vZkOFDs5lVrFbUI8jimQabEyAKpoKYgB2dMOrtynq9kjqQ2L1DtSgRcT2lHXadeFdv77o52e0LJ4rrOg4DN.NTE3PNMs1amZtPMTL_vMdZXYMLtxn.pUOBP1p_9KgNeczZCH0bJOJVjKmiTqfxs_cb5xRvpNOLJWup8ILCvsY7fK4W6RXxFO3iUrVVQay7qheGCRw7Kip1p2fC496I7lYqCK.QSAikDeO3EROszd47BrQZ9tWnOXrF95HBWlMyFYuV5.rT3cV0s9pDYvf8vKvm3S5m1wfrSOBgJ5QkLl0MOVc0jloPypv8n10UXb7ppZjlSevtF1AeklwuXQbmGcwsDrTvAQXd8tMkikHDvRNuhs0wb2QiBoJxnMZhb2mTFRT5U6oMRNOm5rDcxDwDnHfarplRZxOZAdUgB2eHlqsI6geLl3pmzLrh_Aq6aAaGcmZh8_gVuW2y6voIJiggUraucyNe_5lXbIUVdytPdjRvKSNmn0The.HMJtVC0Kb.yB0prvjj4h6Y0tY0j5zKDmlYm9_fX4x1.BW.S0wqlMUUfQlfmltRakQB3Cy8v6UYBGLZmTC01w6vQhcUVp.IZyAPvnGz04eZhbWN8YQM_O2eXlqwkl0SfRKueUAzTPW5d63NlJQ0jp_rDtIglmHrMsZrpwpIqc1hmVk7a8TWTLfIFrwGXmW6wttyqmVjaNlLGMEHYKjwBi6J.gFJtQJQ6mxLgug4dC7us3iXq0MKPk.XYUFTfqw1yhhxHHjMbnCvBP47ZM_b_hq_7nJ7gMYkgb__rWqdytKMpRIcI9lDV6eicI0lBJGTURelnIkoO213uxs70QyxY62AdXn52gW6mXsKMqlnDVFjhkv3W4gj.Kh9z90yik3Do4yL5LUHtZJcTr6nlfcmIi0BTeVHZV1a1Gm10pVbia96Lb2LuGzdmvaf..EfFLjltU04bdUJDUGYxutg3TR__2svXV8xQo5iYweRNefGp0DTJu4njUPDARiPk34CN8Y8GAvkBtp0uDxkxXPztd3hUB3z5FczQ9Q7F4MxbbkGTVLrGYYC9Ll.ICWL1WgW7w95YWFDd6Njyg0reJWXx7C.SU4obaAhc7K4zs9V6FLsb6fcU3JNM4X8U_Xycqhxt1h8w42PoYNwimMHk3wBAAPaC59Bf2oT0FhlBXPZb3b0P5bwPBhTDiAwbk9elqDGmGaNmeRZacOz41fYh5ii7Wzwk.R7optxS30Mv7xGoUiq0iD_2n.XuZHb1KJblAe9Z.dJxxf1PZzV2AVpKmpQnXej9Fsh0g2fn3KYdZEr59B4PmMyacBl1U0Culs3eDs6qLa3bZNEFx9IUAePkVll0KTI8cP7SGiMR88_g.HJ8PkmYUB1MjY1IdnhUTg1tv_W1Uf2O7MkZ6REv4HjUi1OW3CaLQyg1Rhh6NTjckJJXRPZTGwKy6hDb09Ck7W76he0iDEYyDn9wnhPJXdWFYiAdLOFwStvrFDt8OrnFN9ZHp.VAK06VIF9T34NHzuKr5TR1FoaN1BwoUdAKJYCMEX8ye2fbfj2LjJCmZORkx9OAVNLusDbyc.jTgFAiBfylsrgXPgPcLuDv2iyMF3PLsUcKMPAAkJMwO532wLNO7ET88rtyfZW6WT9b6RtXlCD8z_gNDlT.MZbAKu3OfimpRWScyxNubU49WO4lNsUPDIZkQRL.aJu3XVLmM"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7e0511dda8029';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\/4391826075?__cf_chl_rt_tk=sPOATwyYWOVANUepM.syHcUL2bCWrA2lBljoSwzNzAY-1739146227-1.0.1.1-Xfo4BA9H_BPajagWgvXQ1wtVHbnpLMMEMzfk6hGz_.4" + 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