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-504288401683.mit-edu.top/post/3612057849

  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-504288401683.mit-edu.top",cType: 'managed',cRay: '9109d39d8e7e82c0',cH: 'KkRRcWyvbNrvl7uyaSgWsIDAQNPmD9rWZQgKVyiGoPE-1739334450-1.2.1.1-21gjp2wh4Rokfnr3M8bJZUAgAzpxm0Gm7aYS42sk7rGAX69IOgQ7MURrE_Sqapha',cUPMDTk: "\/post\/3612057849?__cf_chl_tk=3Mk5lTE_QM17v.FBRD8PAtoUetSyWJV9rL_K1N8Af2U-1739334450-1.0.1.1-2Z7ZQMvQLiCE5T0t1aDncZ4vpjX0ulCzfzH9kCfvbx0",cFPWv: 'g',cITimeS: '1739334450',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3612057849?__cf_chl_f_tk=3Mk5lTE_QM17v.FBRD8PAtoUetSyWJV9rL_K1N8Af2U-1739334450-1.0.1.1-2Z7ZQMvQLiCE5T0t1aDncZ4vpjX0ulCzfzH9kCfvbx0",md: "uOgNQd4suJtqMmndGTTzo9mQFC.gKBc_QBKBx8EVpM8-1739334450-1.2.1.1-6AAB.Lr_UzgN8MvqeGSNFgikeh5Swnq5XY.5ZkXxDW8E7sInSyMW3etN4o8W3sN94fV9PY8qzCYsagbDv.dV_WQZy3_kU_pbzzukb9m0q_18QQnEWmlogfsUNstydetWCP6Y2ROWAdyF97joYh1qgB4UY4cDiUruAuAgqfYOtYtg2hbPM_Gn.sLIx_l3ehBN4VArzid.gvWi8c9Xp7_89h4bnDwzfRZYh4uIb_qpH4f56Q.30tYAQksljei47Y9fHGG.zf632V82drscGUWO7juroCE.pRjKYVd_LQ3iIVa0vt.8jWqSNycLO3WZRKSvKB7mvz1GP1UB5sazBGWLZaqKmyg35lXUe2akNwjTVkDVVbQipX_Qf0k_0kX6vvTvU00GHezmlP9j7meTKmZ41eaN2WxMAu_DAg6Oa.Wko6tUjpFfWrmkqp7oYN6pQe0PJuTBVuGNgjs8oO09D.8EsEJT4v8PP3jYx3f1.yBpao.n3P3IKcw9b.YDRgZKrFar07b_XkE4XnnJGoXXxOrUuA6iSFNStK4OMDLrQrDVEqHUDzJX3VedmtF.cobIzcXEKm1CPu2yk7aApGUrewJr7fNr5IHiOtMM4f2J0mWmW337dn3LZVJIOBGtyZSYndMbfcD9prVU6bthiFHMqAM8d2cTZOCSYJyhGQMrKZqmG0J6wIpUGaYPW_xR6NUF2xcDsP2viLhKf8SVtP7xU4UCm3.ZlaHzPhYCSP6UiHAAlRi6F6WSTds61RNTWtCr8pPj5LmmL5jvigmBzT6MVhQvRkqaQnVJtiTBOrHBAmk94n6iN7RvzEfU7FHYznWXsUdvBLrl8_ddBQH_0nCWPkSSz2xQN.q.AXX_TbIuYePZoFuzYuNX_8r6fQ9449.1VKp8JPqrx12F7f5paHTSOweFnEg70wCatfVuqkY7VzKo7ZEJN6QWDdV6WbzUZxfntsypLOWqXclC.jP85QT0KdvjOA2hHz2oapPLakNy3kPbY_0QUfV3I4AwmG7mK8YAozVBk3IjijAl_AvrT9OnUiWruwry13tfPYpWVemsmL2fvHYV6tYuNJHHlTR_XguUXOeBkny0YUMNdiL_Bk3VEiq7hMuAnkajdPd54Jjld2Z08eCxHEQ1S13S3LtZ5MsYK4Bdm5QzGn3RUaJHef4xSYwOYH35NCL4WDfGzn_JBElxPcURd9PaIUq1G64hPIAtpuKy07oOYJr6GnuhukiosmtJ1kwNdNLVA_v7fyyMUSaySApolracz2Sa0dDSIKbfb9lrTq1Kc44smy0O_Jxw0grfuNTo0fTN.hXf3ag1GB1c56uYJNsQ1_JieMViRSEKWx4jfWwcl2uCdLORgvHaAgN0H1XQRwtHPhJ8I6niOr9ExJulJP_QuSzh6PBqWZ1LktCXrkriV7c1SroCn7z1J0SgMLjriy3UpCKq1gnkeNbKx3vnXFeYkPq0zzediMIrOuOQHqAMXXwdTnfjhHab9IwIQ4petoORk2iw_2vSv.Fvb1eDIknwXdtPh6z.C7KG2Xlnb0CiTuJlchOGduaK4RDx633FEBeUCde0oPpWrIBnXbAYJ7NTTXzI7EoO_ScGA7xuKU8UX9y5t2Is4KhDkM9TAYUmkWhq4uEO35Ma3TCYPUs606y4JcPIClGt9WIX4wNyk7kaMvjVksGo9r4LUwTS.ojdd9OSblqkSQWvfSrgihAZ9c3wJ9M1m5Ye.irBHupMjExy76xWnyXEb9dwc4gTNp5kH58glFWNZHE.KGAwDTDi3uR9k4kWIid93uO9xxUAKF0vu1xmk8CIVyaZm5mtXX3NiVBGfWxlZO0GJsHk4jV_Ua4MLHkte.jx2pPozzR.y1uRgvQ.BF5FNE.STZXuIP.HDLeukOhl11T7bOib1xJlfe9nOXH90ehdiJi2aCXgnU7mLFDgqJVdoQlyED5u__8T0uNPr2Vcj6xFlJ3mAeehPGWZCBzLBuTbjlHA8xNz33DM32_cPHRF1Rn7Sh1TJuGmZ1f4fZymDDIGAylvz3zKJm7.P5_Ld..xQiAOoPQ0xIkqoqE5H5BrVOR0Aq4GZaBxneWtGQq.8mTqjcKyQY57ISLdwVRIsj0n6Z9KPEXpj8c0BL6TZ0S71HJlUw3JSj_vXQragOZ.VDvg5SYgJyBBsucLnC8lsUpyNlZeTG4xeEVrgyLb4njeFHWx6PEgdkaE2k3WCePgIfTyc_NVdKG20e0ktAvffvkOX4elKeXk",mdrd: "YOOuazRNAvmSoBGHSCDD0807SBdaouTlzlBHZXUM8c0-1739334450-1.2.1.1-ssbal11uhWog74Puo48dTWhWgtbTXnoaceJ6YnJVGKYyAIwt8LwTkAgzgmaokZrmhnLAE.xvMb7UYzpX99O33t9FfAkEZLp83SNcJWsBIvWDfiP4LB6BpZI0cUDyLW5ExDOqHkQIt4IYH_G1Vjb_Is03a.j4UI9BlvoLJf5pauQrGMvUqIOiQUpB0pEoj02BQg_ZWb3AmpyuZTAtmumgF5iA4Ta8rs3P3gefQTB5p.puaJzDQ7tzX3_xQcWpnXVy1zBDpdNrU3.fvKqb5qEBXN46fNlqSa1G.myAKK3qmRQhEI8URQ62QWGIuCRVG5mnCXpGPMQpFreeOvSWnE9DWjaaoV.D.yacoWlXDmCgDsEkP3izc9YfqPkX5avFxl2JAcpza.6HBUSezT7zazyQb1v3cLqIjBtpuv.MqR4czmhn6JzBdLBdW2W_YVrY7E.vcLNrtxS_zA3dEjwksnRYNwExKp.Pe7Bzi42.W1wBKJ1X5hReDErqOTMEiR24q.konF6ZxkV7SaPL9.Jnuj5PCdxa5hFiMSXYk.xV0Vr9RC8v99Hfc0W0ZJIz1AbEQ7e5aMpp9.6DYO7a349bRgTniAwGmnGJgnBoUYMNGhUQLAZ26hEBkpP.xpH5cs9vCjpbg3X5JXt1RgaE3jVhp9dtLTO48RF8Kp0w238OlrhtMaiURZWmMHdHrItvsZhh5eNQ5kdyW3lhA_jj2yP51wpCNWd3WCakTtEsI1t7FAptCXY1Rb3cXpljV.OpBjIMNq1txhhKMXVRIqeiXzBW63kZdW1i6bisRHHBF75e7Y2uqkmRF0N.q9XyL07tBGjZtZHcJqMl50DS3MG7BUaSZinmKKOdBzNI1uFt9WPAuT3ysKprS26OwDPZSJXsKAqV0ec4DbgryVuNQeT6GrTjmk14eL71ALWLSc_XFap1gDXz0dtys7qhl8LXwMZs_cOxBAxlmIkKe7Zc6unBa5AysQEQJDf5UwUk.1fw70B6KFlhEIB.fc4VLevIny18nmH3j2mOEa22_WWK8zENihPFpbUmFcKmCH_JUJFO1KK_3WfxNUu29q7FrDHKGTb4kXwqlU4bN7Pz_eFzOgwTn3yA6J4x_9b_u8MdKeiGornw3GZHy1qbNM8zNfzgtAWWp._bHnk0Icdcat6_15l0v9I1Z5BT8rBWQbZEsHOa6JaG61sqV9Vwp0lIKt0tslF7F.m7YtCl4jWqw.y1uOp9OU30EmMh2Z8Fvgb4oB0ry6_lzhM8dcy_Xjk6XBK1wqLzmJSwPVnPJHf5FQ9.eatUTKl6_5wguUJcp3YKBggyqWmlF2yFRdDDtB4KjGg6jPCwIrHaW5Ddoo0aOXLlr9o977LV_xxkTTWtngpAUaEqc2wis0W.VAEOiUM02rbArB8uoEYtJ1Lw_qyNb83cjPBosFJP7RXnnQAIB6n8ypBOuX95s7aS49fMXUPio8etaAi4DOd8IaL.EFR1nszlXigeswgo_o.AAxZyxziR7d2TlCfnst4cfncMD2HTXv.R9miYAZXHnUfrfoIssYcDnCRHrcdN41PmOaXdaLhHNkPTWoCt8zGR0_INNUsKMKL4lRMjJn5zYxpRnjgx.Er3fzVqY2Z0yHDEqABTEo5WkPqL4a1JRQi4bj5BHaWtzzIH4TfqCEiShLgrdGlBnCZXhB9YE7WlWvRwSBToWYoVOF3jdmQkZehykwwEHLow_B.Yu7Tckia_cr9PTAg5VhTMyA9tE5uSVnyDl95dPl.vOwnPbVMZSfDiZISkgHBWIRE54BErx95DVB8HVGgtLzCpT8zWFDegpMccDC3dDzZ54xFCq9KeeVOwUoQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9109d39d8e7e82c0';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\/3612057849?__cf_chl_rt_tk=3Mk5lTE_QM17v.FBRD8PAtoUetSyWJV9rL_K1N8Af2U-1739334450-1.0.1.1-2Z7ZQMvQLiCE5T0t1aDncZ4vpjX0ulCzfzH9kCfvbx0" + 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