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-262643636760.mit-edu.top/post/4012759386

  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-262643636760.mit-edu.top",cType: 'managed',cRay: '9110d10c2dfdf493',cH: 'MAvuqGTf9ZTi7TXKEvTYqEf242B5.dlDOHuKeGr1Y7g-1739407745-1.2.1.1-SQnYgiUfj92p.euneGQHJ2ocI.IoADKqpL8aHn7ha6Z11BIDzylYjPV2CYLIjWlf',cUPMDTk: "\/post\/4012759386?__cf_chl_tk=.jSTWBA1XFHZPAY_XtHAojnij4_oasU3KAe2kjG73BE-1739407745-1.0.1.1-cBCQaymXfUkRFOi2DSxhg3gflpx5i0P7N_8h9h4yMkw",cFPWv: 'b',cITimeS: '1739407745',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4012759386?__cf_chl_f_tk=.jSTWBA1XFHZPAY_XtHAojnij4_oasU3KAe2kjG73BE-1739407745-1.0.1.1-cBCQaymXfUkRFOi2DSxhg3gflpx5i0P7N_8h9h4yMkw",md: "bBr_bQsffTd12Wyi5nsuQrK0o_FSwFkota.PJ.Eh6JU-1739407745-1.2.1.1-XKPDoROZHymxzbv8Hc0QX8351RMI1EDPdV8kdmTYgAQSefGz6lRkWYf2eMX.FEkdcndWbB6qDzEd1oknsMRCRpR.3MKla86610ohuAOFCeUAVd..onI4ORpyZwCaZ57beWPoHti6xjqszCcP74SuOZC5BwgHDrr1k7ZqnD3oLhcrXq6RktU4yKA5kT9COWGYauYOZQFcDyyqHM8hirpOxF5UcI4WmI7TvpTYxG0QXaX61KrJJGKmDgEWkzu8ejxdmeEkPG.ZJu.9HjDoK6y5tS9ytgUqCAdPkt8iWpFRqW8lNNRiT3nDHWi0kir9lATJYfGykNYE_ZnnoXUzE.cSf6YIqrdmH6lcmUj3O.Gvgt.l69wUt7_y.3pzomOxGXYLPh7_AlSwRqM2gi0tyEwhVewO7MFvbsRjynVlzPLl_CK0uGlhip.mHH.RvdYEESm3_rF3JedGS84gdLYr9oyjEwaZp6X_PnpItoYveFhe7W7oOrVbekynziwz0QB3sXwNeYKuQO9EGjYPk5GBdl20D4QH1sYihkYUZBRC4GWcBJCysEBu1BQeOiBqAVRzq87vJmwT.W6ecGwNR1jWRU6Hx2rSFD28TXMX7AvIbLEoAIO4KvTIGp35CdE2QgYQ84Z6GV3P62w3yhLDbkKkq0m_rG.aguWhe6uJ_rQi.c.rQd9DnJdIFktQyNfYo3eO_kiEJVOUoL9wkdVfEsDt9r0DzjkvhfwhY.kMC9vwWC2wizrthoHttqYxE3Fo05reXcBgN5SIRJoS0pIvegFX9DUGtKpR7A6PZUMG5sbw98z8t07hHkVA93Ioj3cM8s.v.Y0cLMln9Z.y9N3RBHPSdtNVp9clpWJrd54B0yADs4Y4rlsdQDt8Ejp3YpzWPvLpHaBRplsUB.Evy34RVPm2l2Vy5QuTx3rmGSgiYar562Zywh_rFB9euEljAyQ9gmbvxMLLG5GmW5fFUcdLx2LIJMocH4Sx4KrNsxuOMPnstHGdFUF2FRnVY.Qz0GmrLYQ1KaAypWQx2KlKsZMKgVWDr3JdTK_9uW5NazJPk9w82JRi2itWei1t0qask515oPvOYpKVYdURNas2dpe31FMQ7cIodj4qhtCAx6qU0nNrP9rAK_YSXXgLsQf4s3hHgt7HzzWPNxm5qCxrPfCUE2pYkmZzEoRutepkkW8jNwEgAaO5p0sZsevnVh1X182QfiboiRA.PT.yNrChC.04OTbtyxxA2bILIhVfIg2LLDJlfw01BjEbt0n7IKPX_lrouKKX20Yu6qjIH96ruPlTE_3fva1l_JiuswjnhapjyTAnRFG7ZEaheJz6LkIVL7aLcbOw4_Sc6uepfAMcPBhM1zEEXdbh5lEXfhyvKQdyYprxM8zitFF1swI0wXR6QcOxMhrJfDaPlu2ytEQSm3sOOMhLPxWBUw2BH6f1TIwDR8uFEyVsvpVm9gfrJYj2yfSlo86uSdV9wAQthJplLhFF_2vTRLGwbHfr0kAGHUOR.vOBBa8XsKGZVCrJ8SxFXfbtRjHeYYP17_ob3GsQozYYRrgJq9E5g2Fbx25vDFiaZolYHzrkelBTneeo5S934ou1lfkh7IDiqvPo7ce9M9F8xXnFP7K_vm2xnklyr4POmaTC.WlmTl8I7VOxqsa9J2GlKCdHmiDKQJ2_cGiEKtZ_HyaG8dQEkS9.kDuU4WuwfzoG2maO9h9yuibAFW4FchSbr1ZVnxtBXt2k7Fh7ZdlTKHXxRsctTGPILMDn1kgpKIft8B8YRCSzsuqwPuUMSgNoHsEpKBXd_BlTdAr4gH8NaEjXb8sqPVBMos.TYZXr6EH4DKnUEZFfHs9sBo3BgEBXdhW54MBeIR05pc6DnTf2oj5.W4N7F7lZOu9gYt4fLBBWv84Nnwvd8d0whJRPv174je5dek8HLsBnnJrXE.zAcSsYwso6IsBEcLDiQ.KqpA3Z1_9XV.wsDmCL_RXEuyfk3KE1WCY3aP0Z_33w5mYhb3f3hducRiarms4OaZ9iUs6JssJEnZANgKa53.41IZtz4VGDcY3AazBuxVloK.vIgsovIoOFaO8lO9ZAFQoZv79iStV.Rb18AcYsC0FNKMyGiWYe8YGwj56AmJs7P15CT8d4QUAoKcnFELQSWCDBNUmlsn5pRPXL54pC73srEl_vv69FE.4xPF9R1FU6w0Dzi7RVJkVqBfIr0JgNhNtCDq4YLEtkZ4fiR94UAKZI2Erh9AN.zQkW",mdrd: "G8j1kOgVfdRW3FFlUVUNoa5ou_F1n7WCb0TNRjHWT0U-1739407745-1.2.1.1-qxRG6u2gT9ti8wChlSOLhlX_Pj1H7TdQHkR0.IbhT4dhQg.4bj8kubZXrM_NiPRqFC9S6dl6E6H5zfq2mAUxahOLMRZE9ZonQFFTv3CyP7qsiHi0RY0v7UfHBMCfrhDI5t4clcPem24rZ2wZTg312li8iV3vpBXAqkKsBP6CblxFiTrCBvzo.xt_kCr2Ex5K2yvFicmieLzzN5.3Lj2bt.XR6S4Sszfnq2x0cfAR9DbzLMnDOf1TmxDe86YwgBjf7JcSxNCDjFpL6uxFYTcYdLB.KSPF6efp_sShcYMw54QOFLNHubzHbkAYay2gXvcOz5YxCio9fBL5Q8SQ48VRvPPL6e0YEPZoKFaDYNVK3NnK6m3XwphiNyGfxzFNB4wMPUo18FB9T_cLVKHsVc0OaHpVcx1kLlUeYUzumzGaLsthSdMI9GKO15V_EeBZp1OZFbDaVv5gFZxRCS0al0.wXBBLS0do.2QJC1_l9sicNfxqh85jrGSRHyKAuOERhGzh3Blm_WcfUYg02xo3ZKBR1JV4QcPLZH1HfvC.k527BVSCbSJkP0p6u12aSqUQGgzzEaQ768eH05z5zW6_sZ.tNckUbKw1pxO6iH0DTPj0VeSWLwwB1L3GoM5q6d7hgKZKJl5NhOX51YMfmnN23U0K.pm2zWzPO5qUULUSD_sgsNL04Qv5aph3sZzD7UJDcCdftJy1IBK9c07sYTCQAjLA4blsVoKHnP5BCcBuhowBN4ObarJ3jZMPL72mX.7M8ESuVy_1weQ34eTeuNK5lsfKDkIyElYfNBQ2KvhzqDnYISkr.zvJaJXitp9re1_FdzlNEvmkEgoP.xgvQun5YFx33ondrB_Qq5fzpTRx6AahUBc5ChGg8Gp6ZmDPU4KAVJ6xi_5_ZT5KXN5illV9JWuQl_R7IXthTsQVC5ELmkeUqDxikcqXFzPMcp8SqI8.IMuWW76d8sd7nCYFeEZEAb5cUmQdXPM8qe4S4jjK3mXDE8QIsGoB6gxVnezu73wsiI96UyVHEoDiF3GQYXI9C.NVhPQ3a5LvCOx1gboE.w3dmRgUKWFTgTzRG_QtouweZAmUa0E3MuCd.r7zJOerHBeh0KbQn.E0xj1qEVFxA2n7wnx6s39ZY1RJ4kKNUoSYa9saWLjL99OJMLZk.4WK0NQ05AxAX59NTDS9xox5UvZCB.RBefsG77Iy5Xn7sdxvbX41B7p30ozEFVOGrOKNd_sh8pGto2VtylUnOHTpq90TJZx4T16vsRA7aZTukuojR4uqf.Vyf3Oj9vm0Xcln2Y0mHfvIUXlwM5Qjo2CrGTcjKQN7nfeVeAOKgQUhHTn5jQJKhS1evgHRNQmEX4nAg7LuCz9miPGH9TLcTQ7af.QfFvvx9M__NqIO5ZLK5zvV6hBVlSB5DlPq7r2ueGGsYrBotc1LF2pt6itoQ0dX_IJWxW3a8MCDQYF9UcMvner2.52rVAi2mEUXIKpeecesMy6Lzp3lOi7xTDkJVywanrkNRtlJ4kSQBOfZSa.6J7HLuNNNgKefXQY8OeFIS.llZZnkPT1V.IxbO4u0lHyxe.2CQaW9aRf1MLElvXog7fP.F1V2os2bl0QFb0Y2MXvKqkWDdA6gI3FycyI4_heK0LuvE4c_.Bs.WQugFzSwbScvHSVfqd0Z0AIZ1mk04Oxg6b7wrlDG8FaZjg2UDVtQ21JIX88sOI48OF7qEyIVbQqi7tATCiW2O3GjSIqdLot6mt.EvLMGXECl4FNDlym49Z13G11EDv_pabm.9qcf7AxtjBXAYdVDJ7eTlr4TI0jYkL9jghkw7kc3PoPTECgZrvfJ_4Y"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110d10c2dfdf493';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\/4012759386?__cf_chl_rt_tk=.jSTWBA1XFHZPAY_XtHAojnij4_oasU3KAe2kjG73BE-1739407745-1.0.1.1-cBCQaymXfUkRFOi2DSxhg3gflpx5i0P7N_8h9h4yMkw" + 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