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-857201411218.mit-edu.top/post/4296357801

  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-857201411218.mit-edu.top",cType: 'managed',cRay: '90f70df8bc40d64b',cH: 'iBMwaeCCVAd4GkMH3xtqGREYQGMHv78dUWmcBmjhSXg-1739137611-1.2.1.1-bYUE5vLECwibML_FHVd1ThlyqLmcyyZuJzHTkV63qNJiWHk5Wr.ZUjm108TcSBk1',cUPMDTk: "\/post\/4296357801?__cf_chl_tk=Z1RzRQnoliewxjWzEOGrTLTNCkiaUlrY2GDnTiC4bWs-1739137611-1.0.1.1-.M7T82KXKKxV.7UFRDBmQJNjH3yMcwhCoeFcgUPGc8w",cFPWv: 'g',cITimeS: '1739137611',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4296357801?__cf_chl_f_tk=Z1RzRQnoliewxjWzEOGrTLTNCkiaUlrY2GDnTiC4bWs-1739137611-1.0.1.1-.M7T82KXKKxV.7UFRDBmQJNjH3yMcwhCoeFcgUPGc8w",md: "2HFrE8M.KdC_qgbbuN9LWXvM9rsK80SBUvA5zkSzJ4s-1739137611-1.2.1.1-rbIiv36SsRyqOLRL793NqjaG__0WeOgukGNNU21I48pcRJ0eVD.SJE_f_21SNMr0D1uDaXJTgl8FlNkxKaSFONI70QpOItJkKB05O9DN0yuZykPoCGckXTH.U5sSFaj.FBaYp1dg6d4Oqjle7z6r7a_10zrWYfutYkdqdAMDOmIfLbnHP6hQIcamrEVNHsmYKOJ6KQN6pdH7avFBZIS8ghvEhKt5At3SbVIYumQXviuqlW4YS6I6QnFGx8_S3ZyX7_EtrIXPdzCbh6QdivolEp49wO3KqpvrbmO4V8S1Lg9XOEPSFTYb.1.EhGfH1i2J3svDMLOzXXfAgTW3A6_FCZNNwUiQOWfU6GuyKOgb2tYVvkVMUs9TLMPWoqCOqs55i5kqmfOaVHoTwafL8woq1KLluAx_EgD4KsguBmDBPsPOT7qsAg.Z4_1EImIUdvWZma0JNn8bICKx9d9PnvcM96zp1aLYdfjtF7GmuodNlV70aZyRb2PbCvDiFmMHBa_Ifq.UbV8nXVQtrWOYoyMdz_mELU8rtaj4G332TsUzGOqnqorlV2kVqQlzwY5fHD5Dz8Zaf.UwkL0HyRd0F2DN5A5JvaJBIUpoRaEqA6bhKPnD3jngyzXhIhmbFyQrzDpp2BN6n9sn2CsYk3o4thSrW7yKHghDrL2JU7mCE.PCD_Xji2203yDjV0paAU8JEgcFq1DQ2PbzN04xAmkqAmmQVEHkoi111oDqeHffxHRTZuOPkX.Q5.RKAt9JeZTeqynQP6Y_Rm1d1TbDTeL5orABj99zpPiEnyMVmTGoSdQFBcPWcT2Z8VrmjQn7ibye.FQPm75ztc1GjHO8hnZl.VayBg8XmGByLaZlpVEuZzXjxAqN2YQNVLCjox.sED7H.gLVngjSF41srKAalZ7.klPMqIc383WJNfqn5ntuKCtZpIguwZzi7SA2uP3ER9jbuF_ORFQOJ_KlbFEDL_O3MKFkyAqNJEpcoFmBbmWIlRbkZ2BEB3dKkUcpYTpkb.j0pv04wdmYfOwc5E8YYnOKyIzkUQWjZ1SQtSufJY403yr7gTq_14JFO4Jzmgy5fD5LFvY75gpVrzVjm3HiUjY0vM8Mmzr5tl4Q0fc6CM.w8CBHS3EdibdrQDMuL4LnqY8.S044E8lIGOpQNKXAvqCEWI7harEjymZgiTt0VBlNaSf6BDyiipKIi2a32GjP42LIZRRKskYjvTYNQQiPQwxfuNP1upx5dXifHk1bMGcpGopJ_Zu5PnxktsvA3ccK.XX7riYmvrrj4RiTSA9iHWENZFSNLKjHAW60MkLqTYAW4D.7sr0EUjGs567yKeVZGgAdkXCRouW_RuFKSRkLMHRk7fqKc3w0z04njY1fEi1PtvkyI9otRfC_m_eXehNnPEqZX3SpFk65v4PulyXYXSac8ne91zM0LGv_Ul9YhjvYdOrdGOaStHYI0r0opdAAC9YwhoxhYPvGElR2WcOu4eNZka09PtyqtH1QI4L7D5L2.nVCRJNtAE3uCv4JGJ5nG1NzFqeV.kCUtZHPKrOMpPdzV_5S5tebSLdC6A6Jd4ZyYma8TPUaqO4JO_e3Q22IwCUUjJ9iMn_NPOMiZjl9n8TaYmyQpmbdyIZJhOaZWUPVEV1tlL1RJDDYU33wHlwS4NjJphRv9D8zl9ea7_m.VAY2qVzwXyj07QelTvaojqTE9cF_6GGRqWSf65wW6WtRKIL95dLynqRxw6vNnirK63YNFkTxB5o.MZlqriE.McfEBBZRXI_ePnNQU3PeOjo5KirLOjADAqzG3NQOhwKSCOAeRmjXEYYpuswcWUnGFc1QcKrwZ8KCuVfOX3Pd6A1nOBU4NSTmsovNmpzTSoFBIcGJFn9MvLiu4sp8CHmMDMTE4szjYye9R.cnmAm3E8z6Ci7MF3YcyY_owmFKk7eyJIwcYDsHTEAISfTOLWtFYE10_Lh0odtAIKIV_v8wrKMYdWHGbl0Fn3yG0xOd6jQCJb7BfNzR9NXnMYEZemVmTlz7ir2LiKmBQ1bgF7CNe4RmxuzBDnOxPW2TneX1d9QVaa1y2s65SPEs8m4wmeovv8bEPXPkwZFZ4Lfj9pLNpNJqjjza56Xp3IVV6yiTnWS0G.NjijfyGPppjnqqOfPrcfHqmSi67QnFguAv3V2Y5PP6sQxZuSxJLk8Ti3pyn6_Rmss7_pQGGJ7kClH315EfqSr2PHmMTxClLi9uOEwav4cdu6oclwDG",mdrd: "IJjcxrHgZ58denpCElh5WLASrSGShKtg5WQR1Yak72g-1739137611-1.2.1.1-iApkel1MsVMmzQfuZ6pjggRHARlYFxwFfF6tOnMhlcmmURgQTD4QyCGO2AcTBx82Bm7RDnCeat643j__6rSXfLUykSa_NP17q_UK3H5AM54raxzPyzy3zGNgjfFE2iwfyi4sMv.NOWuTkHOEXdD9fEWKwe9to5L4UI9q.8Bs83VOFj5fCA80nT8QcWwTsir.Lw1YdT_YEEWWjvdlF1F5hlLsis5f0ZChBXqyiBQbj8yf1_vtPJ7VP2djUIFpeNu1PwLGtMIwwr3ujn326OcW31cMovW4RdSsNzjnSWSDXRv4OyXpZUboNtt6SELz4zB4k5LxGzPLDbUeNzTyJOoxV2cyPaLNaVZAWeRg5mDIfoSno4c18ctfL8y3Cbu2OZ1tzBwVxM22WdOg.GsRrWjPWi3cEqt40X87Pxz9QCrOvGqNvP7PaIrnMx6XgdGu7vdLjJXYqibzKUbSK.KQ.ms21MBpV2KQhR0nQLS9A8vuG_xpbgNJPdktE.6x_gyFmR_4PFRjQwY79l6s9Fu_9x.6KqpgoG8Gf8Mn8k3kJrquxX4JJQXGavi3lOol9GWjS1XkBDQdy5XUl8fzAX7crY9ioOqDo4c9VKIJKSg2gCFC1TKV0epYCnkpoUvRROXd2tt7aQXs.AH79A.4fGckGdOc6WgWMtJTcWpYxotnPqmZMu.YNr87ooOLCPieXfYhb9ZHgInjRDwYWh4fkkFLxC2fAMRHXPEcXPuDXUjxqWep66Ex949L2JTzzwHHvg1.Rjxpf8YZw_HAAxgS4whTBH8sPqOGpxF97wFMs9vJcq65GDVZDWORTtPlHqE.p5ZxNRIBHFjNHupX0YVUt4gOX.fhrLs8VdwwPP5SE8A2MJVOwGPZTUtbsCNLfX543zlURzDV21ZSszfxIZcr2wNFqCJtRv.yWWz8gUx4UibxoyWr9FCT0mUDHEcwB9bwCqlLZALlDW.EDEC.Enhj5aNgdMSQGSaK3ZHYA7Luk6t1yiohnyzmi0ODIErn3glBsHLTZdYEbBOcLuD1QeyQgdah0yH.Y9tsQ.5kYS_uNGMjLBM3hxjCXslBFB2yReW18CE8ACRDOwiB1DH92LkV2xx_cxrNCtDfjNuFWQhW_rdP8qcOV6x9JdprxUhL_sMX6vzrdaYPi1Z0NM1GC7WhKlujMGCjNmRBK0cavUMMPPJpkFkHz.HKqwK4N38R8APO3FIMeZWw7PlomMhn19x42f0erZhp9NSsoLpGw6e214dK_QfJFz4a2EoahChAYsaTv4MMukL.ACcf8uZslWJMPpoQ_TwtNB3Mr6_YKuj3iUqJRRaYKjze9uKXCPZRJSXpZLUwJeuxp7_MDScUvmqdPcIqDs5J_pfxdUocXurmbfSpvz8xFB8dWhZt4EhSZLJycUQZTCKIPcQ8LvjMqlrgNft074XIccOUd0Ccu8lQh0BQHNrwM4BoHof9qCAqs1LlPGGcWC4J1Ao_X1IFkJ9Ar6QFyycwx3K0wAvC8uUDjs7Pxjhva0p4U2gY8NGoFDQJxpG1.P3xOtAh6PkcrPYyi8gE4DaIzYybsYy3izxu_pReUlyigdSuNGjpomJwc17LF30cxGcXLMJoCA5TdQlYjj1iR3mbXdiiYTajB_MxyOLJKbAsO1WitDkI3DRPMVOFy9KHXdnkOsNecsL6XmLagtdFM854nPInxcK2kv9QglUonbB4VicBP6nDSqF5KUKkY8M5Xotb238o1uNRy9PwVmfBE0XP9jUmnnmQd6XOZObxfwH5iSDZ7_hbq_e7KqnGBmpiE7FG3_bah5CF.ZaN0mIZ7Rn3JqpNJWkJqGLMqTAFtSjWaRg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f70df8bc40d64b';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\/4296357801?__cf_chl_rt_tk=Z1RzRQnoliewxjWzEOGrTLTNCkiaUlrY2GDnTiC4bWs-1739137611-1.0.1.1-.M7T82KXKKxV.7UFRDBmQJNjH3yMcwhCoeFcgUPGc8w" + 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