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-1039652874.mit-edu.top/post/6278439501

  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-1039652874.mit-edu.top",cType: 'managed',cRay: '9110c68c286ec947',cH: 'pKY4LW6B5OeVi7ZaYGKGPfUFyvyx7tMTnVe65k7aaTQ-1739407315-1.2.1.1-O5JaPNof67zuPYMzx.acvcZ9kI_RZeC4z0FPzCxD1PUsBsSP_o2ZJW2buCOmweqp',cUPMDTk: "\/post\/6278439501?__cf_chl_tk=M26xUUYOxTxjkl6bnfCQS17rJ5m7rfKU6vaBdqcmjX4-1739407315-1.0.1.1-mFmw9FxuQWuM.sefrwGOPxkAKzp4QOUJyR6iN0_rKDg",cFPWv: 'b',cITimeS: '1739407315',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6278439501?__cf_chl_f_tk=M26xUUYOxTxjkl6bnfCQS17rJ5m7rfKU6vaBdqcmjX4-1739407315-1.0.1.1-mFmw9FxuQWuM.sefrwGOPxkAKzp4QOUJyR6iN0_rKDg",md: "eBJU1xIFgNbkZoiJyS6QbTUGP_TtpistwgFzLPFGuew-1739407315-1.2.1.1-CPJt0CfkBB9E.RqhmYNvZxqlsWYQbExbPUs3PHYfi0_v76u__yo705ivOhlBmp7pbhLObrJnBahto72RVnvAiDxFnPNBqP2piXYX.sHBYmpep_9g9OBOi8VgvVJIm8BbPrF1V6XncBmPF15V_.wfQsFgEeFZAz2WlBIejhSARzlzRpn9ushVZzRV.nXqKXfnMkylYlJgfI2oGGVWO9rJ4fS_EgSewMAVDTR.4K_MQ3ef88SsYJhCrJTY5tPyZPLU1HUgqm_8mehnBi7XFLx6Nvs4naEqRnDm2drKdphmGBGWmfRWRo.TjOPDoKLRl4sJLwWqQaJxCPgc7ToGVZ2OsidBmhuE.DZkz7IdnafuBjzOoxJ7uxI8fZ4ls.8bDbiksK0Tb7624vUWEmoTGeknoLtn1YBygWVLPHrOl8SSF7nTjhDAOY1xkcQR9hUfcCBJ_l8YIUPno4lm.wb8Od2RH8q_fxQq_QARpn94hRb2bH4nLo7ZOmTTPTcx5ZqBBfUwJHS2tJq8188xjnu5hMjwutBXs4isEwAJgtyCbI2DWjg_VqN7fOacnfjNsEFLaQnAy734RwL0mHm_0kmUsKouG6u2dtXmvqvswQEZ3pfBve90mFOckAZQPV8vPIdzolw4R7ym4g__d0Mhq2_WPMoENCc_M01EAdHzIp7j4X3A5r_eaRtJUkRnjfZMFPmnn9CwcqPcX9P.gfgyn75Qu6_mF4Mr23EpJxbxDOXqPzaHLguMkAa8Doke5RcKcr3jPd9XcWMa2eGJHZzNuCP8uctmXTc1kNsoSlVm8KVK7ehDeaQawXCqmIFMGQA1IC6UGiUoQYUgiChQYKMfpI3JNzdwgaoDEK1u2ycCuIMagOw2FUAR0fAWa0sxd3ULAJzVSPdsrO3O7mRNLV8G5uFPRg17HXZnlYSI0SmDQI.9sINfUZNDjggs1otX2s7AcaNyCwV3kJgs.PkSkK6xcUyCG_5F78vDh6jaZkSxPvSmlvOkdj8KqdrLPz3_JdJsi63PQVUmt5gJRgeNWK3vNPejAKKXyGYj17tpckSZaiuwMxMq8mV.F70uE4MnZ4CzIDLqUnv7XnFXXNDVegor4ko0yI4fCPtkKtD8L_6p2AZ7s.YlwsbqjSyveY07goUcQoDkZU1JIoT_eRFlV5kck224rg9l3zUIyELR8.9Afpd5eJzB2EtNFIrOQ_N0NNcavlcO6FgTAND6Qt5CO20H57lbhFpza2eVqlnGUlJb4WLzt_qn6GuLRYP4WNf4noNlR.ukagNV63D.5OUZbTobPeQDlH1P_tivHb4A2KLT4M0a1XAozDa4vtCPqF3uk.JQ9OFOZTnb84A7zrjlQDmYNsxvZ7LQ2c322Ch2VMqMocnOd_Bt7xdhmBENzCbcaZ_tE1iKTpbDPB2LBf9EzLNVeKZiT8C_Kc3DZ4nm7F9rKGwX1AIrImuV3gpyyi_wVe.lA5ks4RxN4Hoh.u..5Z2uHaZ10QLQsBZoli6ppuAUdlkNW4JqsSQ2duEWl.YC0HEVHk4TeZMoJFcIBp9JwbJVTYPMn2M7uE3JAP33dXun3mybzbBGt6vLCWEY3L4WN.PpXF1fGqQerYci7bBa0LIp3UwrJoil28Y8Dgkyr9w_fXQxPTOdg7kdhhE5nd.P4xh_G80oS7ARY7lE2p9iIqyUoKbaLSeihOgLPRHSNHOtw520kNjG0GLKvNzBxR8nLVpucvwjJ9ZZ9mUE_07FOdBP8MRU3ZStr7MorUkTLebKdZrFd2Ns0gt92yzeDvGI9yo68msEqcXevIAjj2o.IEg2hUgigrqg8ddlqWgP9qq9IKNpVk_OZp53RBMcXq5HeN.2K_D9qAPJzXmJy8YfuQNs80cAcwHavZQSXuOQgZlHrPYqMhMRXClrj8mK0MvJJYZY6imgy1mUgeBJJuSZEsuTxT0c0sC1eywgVGmlTv5JBDQpWCFQmovyRgjBJ2S48LqfNrnSblJlZt27Dy8jydEcvcDpmqSRjaV0PFOB0IAY5WGEkU.NWUKCmWR.hyYY_In_3ZsCHzmtXBCB23nZkDlntBAl9wVUeAOYk4OS9.8NvIpGVJ1PROQp9jIichuo0w9rb00C1_WyyVDdLPTo4cIt2DEXkBoIaixRWpUkAFhLz3TDjrdr4gThGX3V7laVz8zfrCtgk46WiZK_grrd1d6qZM.EtYtnbQiqHd2HrAiBO_QAzx11PpV4.1pTQCrSwzv2BhsoKM5G",mdrd: "3WI.JUCrL7mdn.0u0jY3j9wpaCEBPfuzWN8xsxdUPaM-1739407315-1.2.1.1-vykZf4LYFpCf0dSiM8boeInpKw0o3uQPpVOowKSERT5Z7WdWuyPF78lXGsDvy0RPTlaaB0942g_Kig6yoBJ2d5Xu4bymo4vYQBd3TAU2TjnfsY0x6DBCz.hGuC5G0NEJDZEErmFhGIePRJrHSnqsXLPogH7zzk1NlCghNVJA84qs1jF4v_8hq5flEu3mmO7cTjU8wOk7jrZcCBF_8QwZc8AStxWG8xmfhdsZVMA037zRAmWJ7zbvDtzumE2zuPo.Pg1MDleAJ3Yr0jieeegYM77hBvEgPygtg49rAnHdmjiDukmkXB.IRHX3KAK5mrivOhJ3JWCsv2riIZoxSscfKnJjHlvrWWj5L8Rf3utkvk4T6VjIHm0DLCpA0zi_ppchovfzeXvdcLqGiwpVFTOD8LL0ZsazHcWS72KXuR783b82gU0nY3B8AJfmduDW7.pN7E9QOzD1Wjl.IJhl9PkcMH5kGZwpROjZdayXhh_N9Ga_a051Re60BpozdFCTcsEJTkTl6Uai1OaT8gPhgBFhF6wzPP7yw0mx7FljfXoOwwvigNqlyPFY__qXXZODSWoMHh9TaXEIhODT4Vtj3ik0VSupjnKrW0SFsBPJnx1KAVAnhoSjI9kDWKIhcadwBLQza0k2uyNxAtm7IGqQV4yxrkO9CZAXK07sGJnY1yDFr7.3Q9V7DiXP8qHVPiiaLSx_Vun6kLTeAvXD_Aw3uMujuAAfPmpo1xlw9bNKGuf_PUp__IbeO1vGbYc6wBICUk83FBylxkDu.x6JpCI7f0eLJvK4PmAdZ2UdHINRFPvE1Y9gHXZqqOpM7XfnH5FA5FdRsC0uTGFgiWUCDnVrbeoUmDhFvJL2LABPit.HzMV_AKlge9JxIbCiP934a4jW01NvkkhT3AVNP6hIMWJlit2QXnSuoyUmnx6GhZ6GBhD0Abh6gopWp9G3vk2u22myhC4wVcH2i5vihz0roiFL8I.LaBmKwDISdCg0YCbjjSa9qIk52ccIkFc.d3TOSZpqxRRIzH4B8ihH0F6voXdeWzIzoHCDY4lTtyugZUMRCkGBQgFm0DqVLj_FIXnTPSrzCKB9YcMC.KlI5W_ZtE44LQ62Zw8rz_OUZYGWLnBp0f8yk1inQF9JdRbxerJwguVDitXkOZnraT0vAIe7HbM18a53wjqI9jUqgDYO3bSAMqU9LQ0LB0ZSNq1KKdQgW_YZyYHbd9FVT5YYmlmtLD7bKa50EZHCmlAPtEu6oNVrHBUkOKC52yKMOVfpaVeEXFL06HyX56Mfx0kR2xwO64XjSnfTveXuGxMwYhYnpinx3SbMvVmvqBWUGuEZOl4UABA6h.SAome8cuHGBacv.foXRzu80FXck0iwRJpalVGcYeiLWqPVnxWyiMETOREcCseM7srLPy29oBeeNDM2itaPB9uizdEJGovP7mmV_QEGtC3._1y_VXolYpzKRCDC.10BVcoPWJNcWXqrjLe50OIh04bVtevE5iSTt.hMLG61pNjcvIpQlnAapnksrCbVN3sonIGu8yP82yrine6JNIf4v77bAyYIpikoXi_R5SbFGuq_FGcfVI4Pr1Sjd.hHAa2ZX.7Qa96bhcMB7Asz_tlK.NEM6zuBGe_j84VY5E6f.byEMJPBR0NSXGXAtCFf11870IESPjd1DKSLkhVAJ6ja6ugDEmuKtgy5FndGjSW8RCfDDdCnnwOcLFX3e_auyvBt_TFjnYYHWQ0OBP8YlsBCvwQ_TlqivECNCZwnWXoyJ5jymtOY7gDmKB9NSOHrLmCtmvw5Mvw5uQZyx9qQxOFDiaXdaWI6TnxG9BbkgBbAqF_9pEk"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110c68c286ec947';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\/6278439501?__cf_chl_rt_tk=M26xUUYOxTxjkl6bnfCQS17rJ5m7rfKU6vaBdqcmjX4-1739407315-1.0.1.1-mFmw9FxuQWuM.sefrwGOPxkAKzp4QOUJyR6iN0_rKDg" + 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