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-683803479800.mit-edu.top/post/8170395624

  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-683803479800.mit-edu.top",cType: 'managed',cRay: '9107a5e7eecf2d18',cH: 'AOk2cMRw5V34K3KdsWz160o3q6l3q0PKO6dMlFPrMVg-1739311607-1.2.1.1-EhS7Kw_tFObMIALFiNfysw7yvDKWMsADO6B2ki2fySPxTg3t_cjVW7t8lqkFNywS',cUPMDTk: "\/post\/8170395624?__cf_chl_tk=opdpqCWb_qX5p9RzjyOdPAvZfs3MTuUcPGwr7TsCq7E-1739311607-1.0.1.1-JZpCRfP7aArBj9rCaRW.CMny4svy7zxGNNjcQQz0cSE",cFPWv: 'g',cITimeS: '1739311607',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8170395624?__cf_chl_f_tk=opdpqCWb_qX5p9RzjyOdPAvZfs3MTuUcPGwr7TsCq7E-1739311607-1.0.1.1-JZpCRfP7aArBj9rCaRW.CMny4svy7zxGNNjcQQz0cSE",md: "YeKy7RrN6E5jt_eWhaOWTBJ3QbQM7Bch3XCFhd23sHA-1739311607-1.2.1.1-v9EMEukeRvxYKbtuum6rjezhYJIoWWIFGLEH9.k8waES2D5hkKAciPil5e5tYLcLte82YenI1RdFFjK1w_jD.U7XXxzPTJSLQvovEQLzyy.xl8o8DCghnS8Ezuno5OBkQVglPFi3AmHCcT1afJK9CSWitV4xO07i7Uhwet2pGGmEnfdPAvm7gDbNFZnNpaLXejPSqUnussYUX6qFfSJB7wqT6mkw95AOs1BxE97xTH4G_ggKxmq4MHKoVr0_20dtbGTYWv10WbloQnJvW1.Czn7sZYhWbPxq2_KhCJDQuBLGXHJYuuiE2CfzvVPmguoMs5r7nhgoV55IgxMlDsbz2wcqQZP7NXrHKmUlV4f_cFnv6N.16bK0365t2yv2VfH5n2pyp9nEpQnQ8GT5w5stqNW71HkaCWcfzCRiORUIDwna6zhvGFUclmU5VCsxBxDUqSaLkmUhiD7j0hWUN73LXFZHPeZU2ebY6ouEIzkaqiVu00qjmbSmsON0TKIdFXhW9tK_R8VWHXd32F0fVzAAkCONoQq3nZEyqlF3xLo1GNizcQB_bsFNqZNkt29T_UeYypqO.EnLCgFwWg3crLd_EfW_VHeyLBeOwJxBoqQfoC.dOGfxuWpcWj6RdX.oGZ3CPtEbFNGHKjq270EbNIaBkzvpdL3LLPXRLR29XP9UhHDmNVJm73DLaGRJ1134Bxe7lOePKhD8lf9oU3F95rOvkQvrn5F9AHrEIped4V16XnHCsQtT.tTRly0HL51d9AdRGXjb5YuigeshVsJK_xo4qniGvj7i0bZMLLULad81.hBO7E4ecDc90l3ELaaVDPNNT2auXyX.7LiJvRZaOg4FIY_vA_WQhWg1jWJXFUeWUTJ8Qtvh5Dso3ROi0EIvdM3ClTnvuKPv7N8UuNKnkKMnjBn0RHdKPDPQT9O5paIZinE0o8nYYgHOYk5FtyM17NbZT.fEMyl9W8sgmHBT_TA_f1gujYSLMiePBxD3AYHSKBNfb8rdWWNev.ch.ZVd3lYYKw3xpJUO6aQkY_fwrcnZDGIrid8n2CfJnXyj35RoXW_A82vq.P1d5siDnh.1jmKf1Hm9EYZD2m3pnAbY1zOZiq8f.GObUbja1QvqDoZwvSyKciZ08Qeigr3RQVfhPCuG2cnCt1GEVOR5y6bsW9_io372d713TyhHnMNNO.b6oLB5YwbYaYknZPKTPJCXu3AFZ7jne3783U2lPL0.W4wPiGxOkX5wq0rdrxcCDjqUpdQbjuoX1gs5cc6EwcC8a996lvdx10jKcNFOHY189SM8C.IishchsKJZFW0n94oNz0nXabgsxDBlKC7uW.S4hIuNzzqB1cvBeIeflpt_1_LacB3bIhBFB9VLJG6oS0ye1M_AnIp6Bc4LFwMsfITfZBN4QVIavtwrE7hOwGBePj_gIjkrZPHkUDEarndjKXc_zEzHakR3aiECJpd3UAI6Uk.winZXXx9YvXAg1zb7T6M4._ljsZaBOpo67WnwmchNlOI4TC9w.veFfNC91h2WUM7RQWw4RQrl6pc_JsDNKwjuxfloXk6tyxotpigjeFYH65e_QbOD_zeHQ7PNdnU8gGil0p7.HQ8wLmzlz7FuOTxARmAwQX4hF_6B6VGqo8dsSuyCJy9lCnS02Ob_MH6tx0Rn3AbtdJ3z_hwPZ5ITVJd74uEU1QU1_ELFI.zi4WdHziSSlDGWm_4HxDaOJ7imI9HqVFzC7SWAIq5WV_a8Epzytyq9DpL.K_4CvQzILoQPQ1CTrZ9BTFg1e3I8VAMb_Jto7XtKy0LxzMS3RDe.09ZLERsbfbEeevgvKK87VhxT7cFbB8MvJjsTxfXMBKHikcMIwwOMR6Iu5ms3hIKwx76Kzu1H43as85tE8BtXF5A6aH53bqAccsepBCnAuS05HiFgrS7qERXe3D6Yo2owLJBkfabCpAxU03CakIgcMV8aNccrs_z615e.Q1Joy2ST4_mdj.Z4Ku37CMvHS1I1Z2LawXCOXWVbtTjyZHZeapdMPl5W.8IOn1BKPZEW18p.JJQb4JYKeBLBbTHvhAnnFdFuIe5hAcVZZIwMSdRp6cAGcyGtKhQjyrfIShOoaHyE4EWpdHPlAGR63ezSvo2PVliUFj36akE5ycHMNdQTbRO0wQolXxn8twF4.kTm40i64Wsky0J5ZFvzgdZSaHG9fCsq3tNrKpnej_wD4hoAQgtCfiEB1ow3C2_NOqpTmFttWYx8",mdrd: "Xm_3ui16s2c_OEvfuiYeqb90GHQyUy7vVwGoj3p6whI-1739311607-1.2.1.1-rB.JYQtCVV9NndnvVGFzLcFnTDos7RtXyYn94uAtKgAG5eEqdQu7zDcVnvn3sFmlDIQRsxmIDvTWX_EPavaqrSU502.ZRgzyl18MNO1aj9TwJIdv.4R3crSUvvE1JhrL6IWNLAzG60Hal_IfVdyP0z07T2GY2stiGzMeaCg_VrV1LyednrjNQZCu8lbsXXZ96vGZTgjyRXPbm62qmEdCc6ZqOtEG7kNbwwdkwCaW.feMcRo._WpTKqu2TUueYXWXe1K5RNbVaqtaptlr4C_85DGoaHbIbAyxt_y_efUo2i2.HOKQKkBhEnpt8SyFuYZHOuEISrkHAy0Rjmg6I8Fh06zH8dCIkmwHn7UACBJZrjG5aaZwe16JL7hBmAH72YS4LDaey_LjqHRpeXUAGaNgrt5b26l06B2gz83tGbE6pvZ2KezyMRqsMU_U5EnrmLKCHvCsl4CbDGM4FLX4qYfHUQzcS6UBq_0C3TyZFZ6gt.1.cQGTZuqfQKJ44Xwf18xHWM9.ovpd9jIu1jakrs4Hxj96rIpBBrz3Lw6TM9athFG_y7p4vv8gLcbEISkpgh7dIP768a7GKC7TPRLvhbkFJrhpTKiKBtGngvjJxF0zzwsL5Hi3mU58ldckNZQvidFapowEjF.OfK2OInjvTlnITm1HP0Bk7wxi4MA.FHqIg_CW4zCGRfvfcIWFq9LEhTnPmT4VLjY_ZF_Tv7uL6BPO_h2fdrzfg.S3MgxD1uKJEVir52cVmjGRryKEYQx_5ocegHU9jV5i.mcfDXWUAUZMR5TauQj2GCLu7x8tcHoIBYd403IPUJfgLTFHvEUQwQh0kCgujC.QHWDOxOtW82yBCnolp1jTVLinNDt4mRB9KVhB4NUiDa.uNwsnh_Y56W4C7rzU0qoMbbHIFGOllEJWjTZU_E0_uT_gWiWYLBhKTr47syW7tIPxSIAL4U8Q0JgWOR3uIdOk0u9kunzc0bUjxCDNvodvz00xmbY9JEh8TgZ9YT9jP9rNe7a9c9YHtgN8vRTlgzSIWXoGC02EM7TMMyyV9Hxdhd92UGRaftqOW5caLEHd4GvE6bckL_I0.tU0cCcxTMLGaZvkOdZMA7f.nvZxTwQKha7he.MwGWipDGhflbZKKeWkxpor1KS_BOPhaD.1dgbS8vqVsoMd2dZEiUgYWmFD.lPcY9ryMXitUK0sHvDdc8mXkPCZHxFu1HQ5VtSjcQdonkUgFFo2IEpjCpqpKWPaaszTlTyMgzXgu4yrR.rFO3hdHojf8y3E6FYvturtHs0P6GPNyCWVEK9iuRL.dQiY8HglJeGFj_3TpnpTSMc5QdRSXEPddPErm4LmF9MpGu.p6rhHTrONKqCLJV2GjNWWsqqpHpdne8mIOzLr74bY1UxDCpXDLT9tbUiSlAfmmjMH.m6xM10fbeDA7.eHpZB0EZRA8Gs0NQt8nwQV0jAMxemu1j4Tg4mN8olGH0Jo_FNS4ccjhC7HZ471BwVRFEBLUSHH2bTiRdxPvTUDv0yaWIPNf1epdP4_rLOoJY3akpH2z3CXCDs8mXYiDrT2JZHfyajEe45.tDafI905CU9Y9ILYHIQGs0.mPBFfrN3oeTgQlpJpMfnciGAsYYulPCdHXEJMDTJuByt2ti9SfVyCgMLOAhUAbLW.azi3mXbwCO_jiQODV55An2.2BTI2Sx.vnRmjTvtzabb7u3h.lz1BDgHJdzzurRqK4TkPklc80U49zQV372sp5MBW0oTz7dVoin_cVhzROCzhWU_Nvp5y1mYh.xyFSookaN_uawpjnklEVwx16o5Xwvt2mQiprxRUVgfKDhk93r1JwE4"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9107a5e7eecf2d18';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\/8170395624?__cf_chl_rt_tk=opdpqCWb_qX5p9RzjyOdPAvZfs3MTuUcPGwr7TsCq7E-1739311607-1.0.1.1-JZpCRfP7aArBj9rCaRW.CMny4svy7zxGNNjcQQz0cSE" + 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