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-227842190785.mit-edu.top/post/3952470168

  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-227842190785.mit-edu.top",cType: 'managed',cRay: '90f9838e0bb0c9a5',cH: 'epX.CETO0u.tKO5v4aDK.6zjILMwD9hXywo29ijgAFg-1739163399-1.2.1.1-6bN3OVYS1TlKFu7bJUSrxmm2t09uKYDzMcNHvg7_8G1ymbDwoUcyr5.2KF5XPjQB',cUPMDTk: "\/post\/3952470168?__cf_chl_tk=KS9zolg_6GyzwoKJdPNmrR83NXqKA3QnOgua3C8D0Rs-1739163399-1.0.1.1-HTfHdaJozuZZVXc10ZuvPxBDjMuWdp7vbBnRlSFAf4Y",cFPWv: 'g',cITimeS: '1739163399',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3952470168?__cf_chl_f_tk=KS9zolg_6GyzwoKJdPNmrR83NXqKA3QnOgua3C8D0Rs-1739163399-1.0.1.1-HTfHdaJozuZZVXc10ZuvPxBDjMuWdp7vbBnRlSFAf4Y",md: "AH6Asf630Zcz9k2mcZCndT1kfcgKO0gmggpVcP9pA44-1739163399-1.2.1.1-.qfYwHtYkkY7oJrxoXzT1ZOZFQCMuIyHKeQfYoBlX7NamdX8o_um0Z67.tUHUvrgnUhpKeLr.KAFROtt5afxQHdT7PE4tgtCT6AZmeGTxGyd8IZPpUftOpFyzIoc4srW2wCODlQqu_998nJyFjqaPiaJu5zLFa4BhpAgJB6TBUU7omtJojLD8Vyb_fYc_viYtl0OvE8GEtOhSjnNusraWnq1sZg_39gw6WnPKmG7QMXTkhvan2TKdgJEmwu1zTHDwZqxUId6OoSk_GdpCan1dXwkbcOY8t0voTIEum3hpf1I13T0xplsGG7uhIIGgRRS0f7bFbDggM22dstlLyPBpGtJM38cnmfpNKTdmnLDYEKTO.k4TbO5BrBiDzkue_FZTY2e97bvikmOrGDBxSI9HL2zncf5P5wDYJ6.9.FPwq32UAEDnKrPszeg.E5lpp3OUwfOU5xav32tbkN0z7hxuXbym6Yj1VHKNR8.kkfjopZ11h_dB9CcBHATVS23_lIMbMInfRkYBIflLnDDgcIvvPZuYcNCJPumUaI9cJ6z96X309HcfdfhwLpxFMJxMvZzW8zOm7qEJhVwLXpI0Fudh.UJRg7g2s14J2r3mPTRYxQv3IUK4PcSLaNEUgXGFxfmLfp7ohLuf.1wODV1QGFy1AV__rx35mTWQOc0BxgUK7i3SelnLwO.sTnE5NzAVZPgZ9kBBUhi2Lctfyvm8CmW.ZzrPb0mmLeH3zduQ0gvnQKthYIQP5cyjY0lhUKkvSbYyWBbpM62.PucjWN4cU6eOBUnw5gezeJr1Uy0o7U3A0QMNlVDRUmee1TzlnsQw2kp34rhB7zDPK_CGeYL7qEjICN5G1gzYo8TqyG7HOG7_PnxOMCnVTrL3BksSqPlnUmbAiClqqZ.s99eaVc4pYn1dIXEQd7kqUllSomPXDDTc_8kq6PoIn2sZ3JgRX1xJPWB3HMdeEELFGW94Za1Rrrt2K998Nylh7.E4b6rGdiHr1By4NJAGC2dDM8YKkIMjohj6NC9tgaxET2IAzFqupa09ghfeqoimD4Fh3Xr5nBbOmTTX2wcH0T0Xg0WEvoynfL9OGGbqVfJcsyu7I3Zx9orq_i3HatXr.QUvw22Bpvte8aO5zO6FuPcw4fP01vIZVvI09Zf_QZrIlJ.FE59NpLX5NujWSsTbpxiwRc5k_iRu7lyzx4l_o3CpeJswP6R.s1eopcYxfo302oT2GiYYvKbVWPePzYyIseqoO4LFGPc4CwhCQSpCjKI76TIgWH790UoW.2KQq3.Bp.2ae7DA5pZYC2OOQHGo17R8dBSzEJM5anr.FmrI2BIO7WCeYETFM4zhzBMmVeYsYi.VyvI6acZjaJyR7UVCMWP2QJq3CofLn6FIRr7dvwA8qTo.Cjk5yOyorl4XAA6SsMCKCmt3m07WUr.K.BXLpZDLDdHKBgDQTwqoCjJ4isxkr94yRwH97QkJqvwCmqB.ylmOpL0_a8r_G9TwuvJ7C4xN2stGxIr8Pjffm1bFYWDMzUgu_7QiBbmrJQ3JVS7suet1lbAYFnItX1t1yrlENc5iITzem6xcbms_ExScEfHmP9t0vR1QBjVeMHXxF.XTJ2s37KSZvM0.SSg_mf.JIZh6IGv90vThdBUuK1K6KZnmPtYzViRK3qLyE4C07tc6q.l786EidjHzcVQ1GnJiB9QiI5dMMRW0enmnqdoYT.XfrVM8591Ty6m6uMdpCgUDpgALhQ.47gAQ5wzawbFUEbqnmNJdzxi2Xwln4iuk29ziVXMnaJQnuULQq3ELye9755AGWGN5_arRMopAy58BO1zcIqocAORVMA.T3F0KZJKVlUkvN7GfgRmOB9_oAjF1O4kMduEWwXOQsrFd.S9ut4pi26XA6.aXFSZnLed3DtVPseJC1m2GqfkUOYUbrta49fXoNUMxEjAh7ruRm0gTJE5wJ2cFy4lL_SKg9hrG9AIDNNbMkKDlVA4FCGKFeZZbojbtZ.t_mW.1RrHj5IJubLFP40vLpAqlOo0vyTXei8p5c9gxFXawtPHeCimQ6CKjkG9GM8Nq9t4XoIpmFh6OxZoDXj3UmN7mjK.oiPMDIqSqRzHVdIMfcITBs6RFKNCUCXRlZvNWxjMZ2zCvQJWt37U0NRZWylaELWGtLFv.C6enZVciMNYaOlKuWDhkwQej_p8x1Rdud_Y1k4TL1QyH9HyP4tyAXiaYmr.aYgLJQjfVlAjtDUJ61nv",mdrd: "S3WQxpkDFPSRmndgXzfi3x7a5P9u20n_N9ovub2G4YE-1739163399-1.2.1.1-XI52Awr7fyV.pTwzxs08k5CzJCYsLODNUXjuba2IoT1HpW6gRUCGqsMSMpiuJPcCdJHx88wq1n4qAfkL0_WQa7F3jHEAVvmdzf6BS1eZoc._dGwil21cwJH3ddhugF4P2GEAOrrxaRqwv2RRVdqPK40PCdP2v5WiamCMH8mBU8Gyus3ixsBjAEGFueylaosWnSNVDQ6cfDIbM2Sg8mE29dzRI3gxgRwCsPupb_jYMOwKRx_vQX7Ww4HHDy.fgwsEhYsZISX8gi2MtPX_I3yOPXcD1ZSSnhOSH7HUA5zA3xaJYCEP1uQ92Ab3crccS8SV6Tzr7ynxswNslnt8hGywbTxMttErZx2uRoHW_unuSYrhAndb1rRUqON1WMWaAgcQHFYd3Pew5IyhTBHSKbf4F2As1QJ5AvSphk52Old4ICyFMcOhLEV8HCUMnLT1zFXUTmJFp229T4Nvfw13hNxJYQ51hVUvEQw.QBY1s8ynCPQdlc3ZBMDRwpg1qEztJA6TzzkEEvaH6H.NxjlK0GewvHwhRu5_ks9d9rzze540oTpBz5IKPGPGZdIzv54ncxJha4hbABhuDlkATkzUKIeeL_Orq0yucISKi4m.yiRTSLtGrGnquJWCsvyU6tJFKxdW.5Flv31OfXm2IVlN2oKj5nPeUNw.YX7W0v3aBsITJJyEUYXNsFkXmNk_DdzJ2JfhQLFASls.qSvAzxIFT6fOKxFHqgZX6QZduk9hnLExoKpD2OA5uVI003UWDCJPexlasKfO9edUrv4h.WVXfS.SSZ9_A7HKEEHwDUdNRHSJeS36tajveA.GPkyT7SPQMJ79ULrf5iZFyNktommBdPP.aXaOwgBBQqtqws76TbVtJTolIoZlKrfQVmTnTRowQv.4fpFcPnxsiVqLlSI20IGqRKWMuB5vTuJPJQHAao_HuM4ISERgGFyyXlUqgLgClFyN5hNyuku4Gpm5RFkrLNqsQIDj6.jdEfIGLpXz4CpBcds9XSJbVZI_eVdwS25NT8p211ZNVTSsUgHkOvlG7DY_5b_TsycuxW7VnaSGfrH6pFInfEAhVkjR4e1MPDTCJtUgRbcUeXV4_TVIbfzWk44UC4mOLgI3q_ct5vBOXMnSVebaWQxQpytetqgX13bgckQdZonsh_F7zikLttaJKYDtiDW_x_OMCu4Y1LXQRbZOwhhKtrIHrRn.a8S9hMukjaumePmBwW07c16aaOCyuDk1Vcgv.naDWIx5IlxNMn5spgyRbdAZWTmMB17o5Rdo4Hqyt4AnLWsCcSzf8xyFsfB5dfwhkW.kY6JpFuJjBp2MJOiiQflA6jJiQyDtrMGa7ogq4nwAb._I3uU51qBiLCG9s5eOWIezbWdJ4uBvdK1BjermW7uiShhBCWoJmOFkmLRsiY8n332lVA7BDl1G67Qj9ZsJHpna93oiHfvPl8fHY5lNp57RUqGRYsbK24mJp01qek7s0BfpgNnx7yJj28MMVmVlyGzLwo.7sE1ZO4RbdNbjtPr._7WWKOOg4rnMybdYH7wKNYz6Or_YNU6D4G0K5f52c8H2bKw5AKF430Ebo0zwz7q89gCh47jqWjJ1.0DqoIyzlmvB7yuNRUwoF6V.femaP0Sqx6Rn8tresJ5XdME1CFFBFCpIl_2oo8BzGo5iRrn.ug_u9OlTq8C3TMADe_7zRPyMi4xX7LMvVRrEXuCTkXGV_1NwiSyXzTuyV712buf3YSZ4tlQIbcqUkj2VJ2y5bMZ86SmgiUnf9dlYgBEAPd6fSlmhLMN4TSuYRve.J3Ts8di1wj3qkYS_WDDoPbYoiCrQntqlOKdQ.yta8tI"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f9838e0bb0c9a5';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\/3952470168?__cf_chl_rt_tk=KS9zolg_6GyzwoKJdPNmrR83NXqKA3QnOgua3C8D0Rs-1739163399-1.0.1.1-HTfHdaJozuZZVXc10ZuvPxBDjMuWdp7vbBnRlSFAf4Y" + 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