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-aff4jq7ra.mit-edu.top/post/2756031489

  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-aff4jq7ra.mit-edu.top",cType: 'managed',cRay: '910657ecbcbdc922',cH: 'oiZlMlzWjO5Md0LJAg7fx28gzWUnZcaoICg0pVqbhAg-1739297927-1.2.1.1-meFwiMIBVQmV6sE0tOcJj0kueXaOhtlqqIxRU29acHVwaHzQnaNpqb1yWgq9T.5Z',cUPMDTk: "\/post\/2756031489?__cf_chl_tk=TAiebxPgHnJcQ5uw8fybAspVh3dP3WM8.kbMfAxBhUg-1739297927-1.0.1.1-boMDhNE29xl_MurND5j6oCluf6ob6SE051WTzuPyFCE",cFPWv: 'g',cITimeS: '1739297927',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2756031489?__cf_chl_f_tk=TAiebxPgHnJcQ5uw8fybAspVh3dP3WM8.kbMfAxBhUg-1739297927-1.0.1.1-boMDhNE29xl_MurND5j6oCluf6ob6SE051WTzuPyFCE",md: "2EEs1se3LLQt8ZfIWLiZxiIK9ea9ozYYZSgPx9Ydjcw-1739297927-1.2.1.1-S2xnno_MzWhzGLcT4ez8Dw7dGtF.vUK3.snhGnYLEOZHj7o6iH60I5AwipJCAwFEXWkAMEAKk4v__X3lazyinBoC5HDVjplJbi84QE91CR1BC8aJMmDOBZdhrLSuloT4p36gmm8TzFfkW62h2Y9To55I.uND9Szig_ShfmaUA13Lv2ib6ScZgcfFugBSDW0Qf5OWspI7kgrqVuEXVJssYTSCv9BpvhIkTrmQr14VxbgCjxuCZyq9Dut_zkjmxVmPwsuAwEsAsTGGdaXSzNtvhr6A3qIRYDjcI9_ygVjajZltepriFwfB.8Msk9FvCX0SEw1jzkFWUaGUQTi_KYRBEAN.ZjJluIwWfbBde3FSaG1ieZOpXxcA0jo67O1ZrdP2IHk3gnoxkXYb.HfLywHUc85NB17jcD_t9CqgC8GmBdqJv0TdDD5cO3ibVri.pEP8GKycBiodXMv5rv3hE8TsUJNd11_h.k.OartLfIQw6VvY_X_14fWCXSwyxj9IQQefR1KWKRLry9LCLLSgMCAAP1Ry1g72UuPcVjhyq_J2U13X3v3OdAvnkZFnSd.zYDNrxXCR3JW8F.cz4lxZz6yETin7QNAkIEfQLGCDIo3ouFPRB7xumYerleYka.zKyShoIumOVMVlirHhZviFvf5RY26yShvzCjSEtp0NCZ9Ka9YN1ePKbmzAc.9p1rra4LRc6cphBrn7elArqhOm.wAJ2jzDan0dKRRAMixgKDEiDqZFQU5z5GbuNnjRgt.sbcU7NVpWzEG5E5F3q6JDKxjExzmZVqWCqhJN9oScsATTWyOAtwAbEVUmOUv.h9zrBP.k12dZZs25bgpKXYvoTxQb5Nngo0._83K1XssRTIbR5vdwUKfPfSJzuExtq_ZTHbA18GQOc13qxZupOR.PnlJUhzXpSgX_DZHl3jJglSrwwfQwQeLBFwsB22q6ZPxexhskmrq4nAF8hupYvaJJVTVGuzsPiAZ5dJXhcZhHh6JDFG_d8BUw6tFu0Rz4KgSmhUfasebE3NAPQK_MP86Nt984V8Ft.qiCPsoCPojQoFJnx4ZsvtYKAfm8W3xfY4ooVhzNCtckvdKyOGEEq9u.GRpz1TZs6IrQiXq.OFduMxqlypRqXw9IDOP.kEGm7keb_QSLh7jh_Pg0PTrWmO8ZMxI75hwbIoCgnfj3lITCCTIf9isofVljuz6dVD05UKxxWbGpu99UvJXxKmB6OwkP83VQjHtUiHZKknMwrOS.Fvde0CW2V4cSrRi31_Q5PHxzJ5lS8I2cxCTT_NNlwMefPdUR7YxdsvxxHQ18y6bqh7LLTm81rLcr0RnqqVZxm55ibx6OC_ZCn0IRwCWmwww.a1YKaxD396o9W_nNPpeVkZ3kTdT73MVMgg5fDosN.6_OdrRhZFPvcrRk01kN.mQU_T8z7x4x4V2CJSVy1ZBmP_XPV.2d_59xCN2diZ2EafZYejKJp6CIU3sFGixnQHWbdRwcfc3pOKTzkuD6BK6dp3jJYVmAzWwv1R64KOOrYGojQlGv6SbRsyrTsGi4oB4xMdul5f4TDsFJZrnAZFmI7ksdjpw0QYd4pGAmwWy2PFsx8Xu991.gLCvYXQ_tz57pCg4x0SbuTWfvKf0S8RxT3s6btj6_9xAgejEruPQiFS0hAqGdLkAaFtm7lYFWDnDi3TiGrjjl4_JP1Aq98pKmfn_u9dvkIlnsv7QAoBbjeXw8tMG57yYwaLBPGyMaT9B8HpZN.PqFXEPl.6IN8Mi_Fb4ZD2GR6Z6Gn9GK0V5IfbkRfu79Xn5fmzpqn2ZYYM4omrAL8IDfodmWTs7AE.oNqYcZOBQUpPRM3_B4tFwAjHLdJaPMMxMRceOmzLEFpW8edDWPxFY5dmR_.yfvUzF3ZQkjKoTlosxa_555KKE0lqAzNJdKF0eMrnch0zVTx0wDpkrQs32RYw7UWMhclfAs43NWuBBsRssNSSliL5LzKgb.Z_2usFhMJNdh565cftWksCDNZNO7nLff1MObqYryj2rBBs0jWhO9gg9mi.5SR_WVffCoPn7VCAo2nZHimrVDl1Y6sE0fSaWwgwZU.X4ee6GG8vqbZKGuWnYmzRH4WaHiR0WLCDujIqHuNi4YQHGvUhgLpvmjjQa7S4dLf7lsjXEoK0PyveqXDrzIbRtPTDqzLMu68cqWJ5QDluen9LZ3JHuqLLQ9eFgIUgojP36TS2aK.wSm_VHuHnSJapLdSy_JckWG",mdrd: "GQkRJPcOpf8SAugTnvUDe_Rd1jNkeGN4aaMIPvUsuIM-1739297927-1.2.1.1-wHYjk1kBtRCk76rkGUnYrDyD66dLsVwqH3N4toFyIijW0z1eM2meoi1Q2JOQbRBLDD1DGd32NMNKtbiZb1EdcQ3fvdVSwtRofZsz9IjTgY2sa8UaE9Iknev3jbBJrfCEuzpY7cQ9VydhMOZJ0s8cYhjD8jcDkoPZ.WGLr9ErETEk6Ti0O_tKVt5I5N9nBNpDE2WyxhcplE880vrGk4eexZh6bMSs7_9IlucdCdyWZcBD.eYf.QIr3uDu20lQJq4XJFjLK2j38vo2FZ3jglBnjLnZR4C8F4IM2Fg6j2fN2CuLcIvr6h9T8x5FS9Q.QUYq4HeL07uZffH5BuWnK3yWB_TtMBUzsxL.CHthwB2GEdgATwGe2V7FFdoSS7P0lreWMFwc.gZig3oxVOfxsV16SM4UiKhA7f7cLD8Yx1fi.ZJ1MRo8cOJrQZ.FcNlCMfGdESMJ9saKZYYirEL.sQhNdgW.XZGpFJG6TvfciodCOlRdPrD4dalU8RNXh9McONN69.tY4d_OMfALl152B2nknB4xcRAi57elokl6KAyugDq_Ooo9Q.GbVPGbD5JUcPsC28QZNhoP6MxSftG5pUIenxOeYx319uYnGYgi3wxcQCf2sCAXOunkJWeUy0zoSQTK0BXxqqKv5bUBCalhusctNTP08Jflwag7HI1fig.DOYrum_m3h.d4B7Mndi2PnFyPWiannf9meCuEryBc_IZjSt5wGXz7jssqhjJw6SpneAnqZ.Ovr28l19P0acvbASaCRFG3Ue_XVlp7KQKWDvk973gazCFMiTawJsylbSc0kj2s85kR3V4fvttyVof8PF9ZqhbjII0PuzxXENMChHZz0pZzr3MAJ9brJh2y2Y3bC.Hov3AE5OfMTu.B0K8kCrnbVcrvqOCZJnrCxkJe6t2d7DTjDky4dKNBmTf6JBnU7yAazBE6T1LbH7I5UFCr0EyIgIitUYcAQVNIiBxi4Sp1FuuxYMCPldg0hiE_nF70lRmHPpLQGOsD3C8iA8.2YsVOnAp0wDD.zAHFC7S90p5Prb.LAFLlHizUDKuxrqV1BuFq82DrKjKbt5wQWTINIuhLMgwQtp9zMUMigzGuYB.BwbuPxD2QiNaBKjQdX5DKyhcZOad2JzX3a19z83AA5vcz9xK3haf7ZqxgtErU4DUSaO3ygLOWpXQ70_wRb_Nq1CUdTjC6gH4URYixysv5IxbkUVoP9oHemY9bJjQIwl8UmlCNcTKrLtFVt7cYxw8af5hONaNbW76exqSVROTaYxBQYdxv4bmqFlbMKkcLF1uq9._c2ggmqL9SBIpHImUG6cYX6uhJO_L5t.mkaWKFi_Y1zmzslyasp03rdJpssE9.frFD23LYy4Bf0PIxWOGOwaigljwdAIcBkvw8pQYClV6q7i08tlUrFWeLJo9yZDsUYWXCe3yQwMdMa7IQ9cgTMRQVOt9xOkB500JIie.v8Gu8tSSETDlqmApVz7lyljX2dpgk3RF1p2OD3._cvnzxysIqD5akBlvuKRhpH57bTfLiGVpZiGhWNhNpwEd29UVxJiL79Ta4UYfEWevMeYSW2vFGvXcPQX1aENzWdgJoCAp9qjxhBgNAqAyYfFxXi7AFpHjql10TDUYV07Bupi.DIf1A_HuRFXdK5ETcjuqI6TE1W.U3rw23txsovibyurjrbJXnV8M3nK1BDCzIMycBi4aBqMsjbEzGC3KAtH3.fgsllcjLaBlmImtPGfjGTqy2ay3BB1ZnLN1I9hA8JpB.9zC8SL4YXtXM_NWbugamTkqDCxnCqxlHZPhO3ph5Qbiy5w"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=910657ecbcbdc922';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\/2756031489?__cf_chl_rt_tk=TAiebxPgHnJcQ5uw8fybAspVh3dP3WM8.kbMfAxBhUg-1739297927-1.0.1.1-boMDhNE29xl_MurND5j6oCluf6ob6SE051WTzuPyFCE" + 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