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-238026923873.mit-edu.top/post/7580361429

  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-238026923873.mit-edu.top",cType: 'managed',cRay: '90f469a6fddcd6b3',cH: 'Vcr0nqaJ3xVgzgzVQ3i8ac8.TQxZbnQ3Ainm.hH1QaM-1739109909-1.2.1.1-Lv7LrbuHZc1av93URRJkRnSDnYSAAV7c6nNU7b6uywyXqEoXOcXtWI22SH8_gp9g',cUPMDTk: "\/post\/7580361429?__cf_chl_tk=HLcKcGPwXa9frgBOgW7U5m12Ru3DomG5td7n8Q4fOow-1739109909-1.0.1.1-SW2gpPiAldQvV7AhVoFEudN9j.4RzcM38_JsuZtF7Jg",cFPWv: 'g',cITimeS: '1739109909',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7580361429?__cf_chl_f_tk=HLcKcGPwXa9frgBOgW7U5m12Ru3DomG5td7n8Q4fOow-1739109909-1.0.1.1-SW2gpPiAldQvV7AhVoFEudN9j.4RzcM38_JsuZtF7Jg",md: "Jlj3tNRANbaEeX8UZHqzxN9NvjHGz5DkKickVoProJc-1739109909-1.2.1.1-uyuHDUTr35mfaOJ7t3ngihU7w.LuzEWoTFqySFzq9EBNInoHoNa4.tDzwNKoOL0RFkDyCZslGl5PNO9T1CZvGPvNtA7cXi13I7w_UVRc1dcmhzuOJLTf_8D.H7.UBufSC7dbqAPHXhLyyTa6aPqB_2eert6kRDou2EE7NPR80ox3mnFBdVGsDQfmJd_PGTUWr73uCRR9w8uCf2_6sd1qAZYt_nAqwe_Mu7FF4.H5iWcg_bkE5EVfi0X8877ZpRx5Z8rCAjnUtMN7rkIkxQnqjAjF9cKFyGwX9f0zUv7.KZN.CtCgeZNTkbkw7RsZju7vOcddm_B1kTzrnLxufz7FO4WRKJR8TM.ALJx00o5xAZf9mc5oGFtJVrUGN7brBhGb8R6asj4k5oB5VWKGSVn_DZecA2kFbDJRM1sKjsH_.pwZzGvqGlS7Q7fCRNOZcwsI.2ru8tYo1QUYHRuYbXcMm3i9lzqrLrO2lO_BNWAcbE1RDGp_oA.qZFZNTj1c2dvbpvo0Hy0moZGNyec8evOHN8DP_aITunQrjp.q7SoTwJOIocXo0WHc6Bw6b8l8nIAuSENQKuHu3sHO6Dpys50FMkfzNRQx_Zt89hDcjaWInXncjshA_RNu9N3h0TouBndl0vfxYtuNPh5t.1pwKmT61QYvX1qrIWqZcpsdZFx_9LjKkACITaAExHLQkWjkfncyC9eusFBLUmEAcF.PwmYoq_uSL5NEWoVJ_i1JoQlrkijVlGshybVTpate8A8dfIbEwbqkYyUFD5m2pQ0LkWVqIkSGlE2q0vjDi82fjPd.lPSRUMJ0liiUi8R3WOHXVlMfzWbHKpY__0GyhZCn6pWzbdMKxg6pqyYo07E7DwiQixy2MosE.h0onaMTs_ewImHG3VasTV5aMbBqN6hB8DRcWohgD.5rX37Hg0DO9fVjD6cczW_hMNW1O4ocSuyIIfsyq9087FnzR.69FtZ3UuzlGZFitf2_i8wTDe6kNg6RvagBgUNdNeqC8yzUimbQ9dYOIDOL.0O11trvoavJpN3ejbQGXMmeDk5m_qx8MpYBMTb8bK0BbN6l9qRksX3f_3CkdDYdc2SOJ_MzQ1WuQTlDo5W3fkotdrZ4Inl2Y6y6EOxExyTcijN9JdjJOR1qlGniAHi6x4bzz4811Q5E1uCB89vChTT0M.CVPnDFa4fCadiu38.Th4_HFDo2D3a5w38YWtRdvRLBOyxtY4yQPjRBLHM2D7.OtvOTHaPL_2VirWjLWzZpGWNA.PREik.TiP5h4QROU4bn_INNfRnoZeXNC.kuTyFu83z1CboLSu10OJAEt3_dESyePHnlI75TuWrMNlwb5YWIuzkCVyHJno.xKaGfctluGaw3KS.XMn5K83WvELrY9fzHh3JcFX_B8.jG74SHVM_OkVQQhLN8EXcRDI1I8NEZgkgd_Zb0ZcBzO9sq6wBVjSh8YsEa98PVKkClyrzTBRNdUIp0Bq7NeAE.cHyJnNXKSrP1GM4SNZD_Ldzs6eLtjzxRSNKW3b.nNrZflojK854uD3.CnnJGWa6JXVGwNu6uOxiBCmv8hXWH6F0AD2g3e1V_Z4j1aBEM8x_c7Qn2.ICWDT1Go06Ca86ckucE2v14.CyKgt9eAqmEaV3K2jaRHCs7thHp_dF5a_xYUv0nWOCXP49sjka93HVsEeDb1uaUbcFX9GZg23f.UpGgtZ4hXnIIV82Ue2qWjS_Ob1LTnee0ALsD.O38uoQnovGStjNTGyz0P_0BgUXCN10fBi.Fd1f5C.7OZ_ZDoHdUMjkiChysAeB_uHUWnYIE5geGvD90.rAojoUYJbFO0xfa5lBka.mdGT_.9kMjnnmqnRIG7yk5eUzymqZidOZGdsSL4qHNSEBe_zgTPDZqYoBIh0XzcOqN22jNi.vY2bXjGweLrGyH09f0lu8lTA.EdqjEE4XLY27gJFVIlFCr222BGp4DcA7jCcyuGM4LQ31C2PFD3hWjDCgYfdiVgQW4.22F_w7HPu2h.Dzd4Q6Hm5x.3HNSf8P_ttjBExNw36B.sspU4PBP1wxHuwDc7j4T22GGkQ5XelAxD6Oi1_QJVIItAq085PJQyxDmd7b0Z1ZoGA4xbqIehq_hj8q_38FDQb.tO.nZXhz3M2oKBcuYTXjlNO05K8xw8fCdUrz3fGCVfmrpdt5ac4wVYgeAEHPedz0ncEGYD5FBbBD.aktR5ZQ94ATzL08pJ5Bynoq.9g3F",mdrd: "XINGy3hsHt0mecXKoPMIWS0yKHDgOqx_83qqqcWnRAg-1739109909-1.2.1.1-xKTewwOIF2jPek79oV9Akq8CLWz18q.6Tr863ra8PPFr8kU99OvZHnNEru0iMa52aWqBgp2KtNmddo.UO7OeVYl4m_hF5kLECTKb0FEADnyk.x6Nv7gBORnFlDmpJ_pgvT1CbhyZfaplIaCVIQWx6kKW60UgP6pBwduaAPlRszJpWCC5e2dsDHbZG3kF51bmIIKyAsFLp.iAI8N0m_YrIGNOTmlWZH_5DKvcFlpG9xTXltunA3lWiLY91eDFUF0KtNcw.Xa1VSFhuXTeXc_QxojIodTyco88pHp6wUtBFsecyldLszq6SBHsQ57YCOFYppjeVp9c1JzPdnKokAZvyAAfvA1NQw38Fju10wf8_Mk3i.JK0hnTbJ1h4i3E5WRiTIMrZLYZq8BdkBFsF82nFfUt5vizrFcuf0Lv9cNNwMdQyW1yv3h9Nap.oomr79mRX1AM2hvMZVG_obd8nz6_RCT1hbGYg5xpOjMzoPmClDvLalJkaM6c9N5s1m5wUuBpiYAvD0gBp2OwTi9AvXtQnV16FFlyXUEraCyuCRssY4aLbNvNPu6VBundfMxRhwOrHlW0tcq1CPsuQXLao6_N_rboW.o_0RVfljaYsL8ThqqR.2TMlQupByz.CoSwOWduEyfxFmAFh5o1iNoK1EFL1YrK2MbQuygXn028_orP0OHvCCCMJxF8A05n5a6uQGAWV4ef9sWeB4.lPH2f.bk7Vz85tKFVi_UQNwOUrkMkFBZQ_BDcV3b7E1SbasKtE2boXYv.wxzVl0VHTwKdrhMxh27X909fo0n02K_0IYphvYMWLHsGv8T98CXvFRRhMUOZvgpI4LI8YizJeAP4Fqqj2taa8wzmIDXjl15GBafM4EFjbCSYqXDT.7AK5VyLTaUv05SIbTxtLdZC6x3QWls4j5G4NuU_nTpW.PTSWb9y7TtMUtsycamSrtr4NdLzdCu0mi_ocrIXmRA2n2WCYPyg4h2XGMUuUu_IyKceH.R_bYXsoWdi3WMozIdH5_Qpq3ywb3JvSRAhJfZWV8RjugL7RlTIAL1_qkKK097iSO6oNN4xVY3Ej_WzAdlyL0WMeghkO_iAOpxgWwmRcnbytV.L.hTzg11q3dqWHRYpcwv6BDEUeIQ9FSjdJPcOnmT31Yyz2jgIMkaa8SOEK9O.3ZbYTsHW52HeWD_wxXZNsK.Lnjdchr8tk7_oxWDaA3Gl3urXnhzfutVafVzB02r0cuqB4MrbndQd.4uNTSx31zm6N74JXQMghUE77Ee0e9jw3k.BgdZpaD2bsJJim_Unc6V32z_zCQAOU5vguzAUQ_agPjFtXaT_rJXqZz9ka.pR9VcdgTeUA3sDyX9ki5BVs8EG_VBcZHwAPivAymhPYSas8e2arwHf4kG6KZzkSoK5fvqY34o2vPeL_bJIbuwqC3ZD346SPlpvkFx7gvAKnPi6iZGDnUxn5QgXPM9z4tSUfi4HtknAsgxWim1nOgr5dsYkIC.zOhwa9dDpZ.6OBiRtk_eCbVDMTNpJVl7w6KZSlDswDGiSR1gmJNlE7e2TczlPpie4bRgtziLvQhW61Dd8i3WIT1qHyXB.4rmzMsWDN2RGKU.yP1FUV3NvS_Afnj8KmBHdg9Y9Oxb2G4WIESP36ifDtzC3ol7MVXAAcYpJzrt2mzNTD2EsR4P7XbqLmPOcQEl0bCEf9kJF9igWn.fIgAh4NgonC8ZeIVkuD8_HH2KmyUjWUK9Kq0fq4tAczzlCvUdr_2G5IOsYrJXAXmzjX14yiEp4SQzXvHhVVSjTJCuUc9ZN.TeSZEAgUYa_TIwgHmjcQOmrgS18dzfA6OkxRiw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f469a6fddcd6b3';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\/7580361429?__cf_chl_rt_tk=HLcKcGPwXa9frgBOgW7U5m12Ru3DomG5td7n8Q4fOow-1739109909-1.0.1.1-SW2gpPiAldQvV7AhVoFEudN9j.4RzcM38_JsuZtF7Jg" + 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