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-633048340934.mit-edu.top/post/2017369458

  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-633048340934.mit-edu.top",cType: 'managed',cRay: '90fb07601f361fe0',cH: 'k6uG6to5QPOuh6lpwWPMjigwS96H7m5siYb3ltpg7kU-1739179284-1.2.1.1-RUTG7iV3Awr5wfuyiDQeu5za8QeKAFdWr2KrKP_qj03L8_dYfH4kIze6vlPYA6aJ',cUPMDTk: "\/post\/2017369458?__cf_chl_tk=yOLjF2IjaGQFQsjSe7HrW.fivjJ8kXTYTnmqV6U_ENM-1739179284-1.0.1.1-KNp6.oFLCCRkKPwhBzmw1Y7BSv3MiGN.Qd.wMPqh.lM",cFPWv: 'g',cITimeS: '1739179284',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2017369458?__cf_chl_f_tk=yOLjF2IjaGQFQsjSe7HrW.fivjJ8kXTYTnmqV6U_ENM-1739179284-1.0.1.1-KNp6.oFLCCRkKPwhBzmw1Y7BSv3MiGN.Qd.wMPqh.lM",md: "jQY7EoafOiRvJD3lSWYICD7Ta_JB9pQNj5EaGym5J0M-1739179284-1.2.1.1-6h7nDZXIlU0Hra2NaCdRcSGI0g5ec5NyXF.A5jaUO2.WzrKRw7c8IHhpOgsIFN7IyDIrqMD3T4CxagHGIPzTPMG1ulHD.t_BGpM2d5i7SIaBYU2JXTuTw1LvliEKp36laMorwVV8hru5OGehNy2D2Zbur5L6IFboEqC2eBvsxFD5pbw.1swt_kDi9qyTqP7WenA5meMt00HzhXoCY9JcF5JR5aWuzIWYhIAl3Io1dNRlwRkTto2hsu8rLEmdpoT02qYpCu2nG4ltSyyDpRgZdCtI02_LOofEgNM7npbBFCkiazWOe9To4vGhPvQYGBmVOJKcwdMFVWg48VhyBcbElCuVVgHmCGH07U8ezobx0YLIJiP6yRJEBK3VS1vDt8WXyxkI3RDZ6jPFJ4trr5BqnLr1OucdfVlc48wFlNZlaIYotYOQZX8W9_PVKsbuIeyvFgBYPrJfQkfdqaPaxxd7zEc8QKTWw8Ro1FHVGUWfzGAjOpXkxunxW9Y3gxJqP1HltrXUI_0fzbSmbgQaYAZjBU.cZvx1ZhzSLoEJoGx2uPH3vFwnd2RprLQ6LzTZABwBLlvWXExUUyIW188ImpCdSp.ZxhBvChleWF_.EOxQG6SC78hUsNDlwwT.Zzkhr.p2bLwbL4oJWs.yS_bg.EnsAJ6rFNN8Y.d0MuyXdmOFTHiALqJjoWMoV_PwCCDQ3fM3evDIJ_sLyP5pzOHbJVAIKSjofQlPcoNN77Bf8gB9gGyiAJ16WCzMH2Fw_NhcXurPawXtZgY6VdJhfCDCu9Qy_coBMVKi9PrQs2xlya7Knu0nuESUDek33LBgvoq8g9HlHkdiPvVXwWogHjtWQyCYKU4VintJZsPL7uRR7aaEyl6Lx52oDRth3Tv7JfpZgAPDj7_.Ym80XtNH8QMt37FPT5nLJwabANOM.SwElO0Emzy.bM6i1zG.4ie11GLJKnCxFg.7a62HyLOtmfjwM98aEo.J2GQ38yVNuOaHIPyx4ner9gcxbMHuMIvToUDwI2FV8fgSprOK3wtukv_QoHzzRDYqH2q64o459u3CU.hxSBj9FIvCRUEDs5oX00wknEYnqQrUvXx0V.NVge1bER7ESLpqhcF6uG9_aB92yOQiUA.wbV.woS8sHopiV43f3qmH1DN0C49w4dzbPdJGP75T2_lquzLVfO2xOpdX2pShyHY7oZP304T_tTCp6RGrM.I9WkaCFU_1rEQoLX_9E1IwguxmtMiAZmYJUZazfzDdQ1YJoErRnFJ2xoMEDur6A.28Oc1PFHMQW8wzwqb7RBmuOzKLNOyfid5VeNFZsXCZuQOM554.4wKJcMuSl5wrAxbaeAlQZV6SOl2KqdZ3CvAsPCdCuyNbwolGLuA4z3FH1dXHnuZvk7DwGohVMc4zwBi.Z98wJ.in2NGUh5FZp1tM0z3HM6sE1K1jIWnc6xWm661ElhbG3HddJwulM3MzQhcMv3CXkHq9t7VBiBdAFBqmuoyEz5om2_GIfetAh.Ss1sTKVpo8mc7cYa0.vDOzEp3rtz.TRRc8wzv5nxzWJHv6VkeZMymyUbVgBnJ_nE00vNcAZ9__GpVlOEqznJrp4ougSEpRHlYRrms9OUEFRaDy06DReoD2gAmWUyVSXZ6neoDb5DrfeowC5j5vlGy9_VVvWxFiN5XYftHvHzaTKaHvSakl8T7cFYjZ5eFaF1ADi7gJsrFxtvAzprm3hQJsf2aEU2dV4PEI0ttwpqISJnnkWZftU23z57xy2TRwXJ.ot4anT9GByFf01.4ycKI3xYujmFR8hpu6phRz0DP0g73AwIdV1_qztgCt6wsdtwZzt1Zsi7CDbZGhW8ajjyMHWOnOb2iU9wplQqtxfMn3vw4HVcHjLwZJTSnbffGMxhT0BHTaFdxNGTdnJOGN4GUJF1UYKfNMPZofrvL6Vbvs9snRfG3V1DG1IK1OcvzJoSEbmowSlcgF4m1VzZ6mzN2Zm06CAWPwXG685WLCD6HqlBBK4uQdcHfv8leJa9m1To1K_dirLCixe8yedgtkl.ywHkD.4iCQ02o1Hbwa3X3O8ZDq1jgYibBC66ZbMnhv3x0yrbMOc1oipfBV1ADl6jOEc0uphMm8frBN_UY9j9vTnL5FCw5KkhQWYvZGA2SRLzcke2LUDcdX7UfQp1k8OTH_El3O.aCcaSma_1eIEEhc2z7qjap7SYUK8R0Ifzsts_2q7nmHVtw3yHbb5qBW1Fwvujja",mdrd: "Tb48oBwk1wLCJmbHtOfMzKqyyGyoMoKl4vcutK47Eqo-1739179284-1.2.1.1-CL4ppFjPb40LIkOt9R8z4WlyxuloVwaNJUA3b2uBmUoG8ZZ85dcT2k3cUWlaUSu49Sw8DLUCZJM6e2tSS8K.IaZVF4v2LahzTdqkia7DkMxtrxXsI.8OzprBxSzUgwKVbf.cACJ.hhizaChgywnmrr1y7Q4t6AqUphaW.Wghsfdzsj6.LzkCm9gEbrzjryV9MxvOMYOL7_8M3LvmS3S.g6g2jCOuIo153jIZf_hbPNTWTM6VSVhBY01XvHDXTB4xjnzFSkYDijnUViotPyqUR83M1R4Bn9DAYg8ykrmKsSOy1NDVpBYdVhBwYI69T48lMIC9SGxBMR06_jqT0JPzOY2CLmTA1b0i_8ZsvMuDRakhCJdCIi.v06ZBMVpl6Zkm_787y_aGgSpSpRVUnRv4zJ17jT.SgCS.HBFWRAQBEh6QpPplQfI.apoESFZKdEqxoy31sqBtofUdvhmIpvqVW04Lye3n6rWbHjpyGMMqHlRcZHqQdN..nU7BqfmQyDEX2qTYJ0LpWnFH1MtOwRV4YqsKUPWHezHw8q9HqCX.FTk9nfR3pn8icTSgO5gcRpqKWpUp6ais1X_QaA_I8WAdYho3Ai1Fb80JLFKx1KAN08F8HC_dZCVXaUYJWixxwiEjB4eYEMVUzHh6V4tATo2qzT6CHW4PimH0ctgYghRU3h7ivxvb0JNIBLPJNAwbohEiA53A7Lqd.XBxPqrG.2sM2BVA1Da5SEHLlDoWKQnWKvS9qKkZFQXNOfjfkhUHbFMEoN61iLUWpChngIpX65a1caAD4Q9mDRTsR6rDnrw5EHeZ.flfTpg_mtdv3QkfrukPX4ccEL3CfuYCyo2240iUFNIHydkhaaRid6_RLLHmJZTQjCJpiTBK8SCgIM.vNQoXW.Cyg5WR23I1Neljl2uKS6woeJGneXWEt6RpfI28YALvv4Jg_Eoo0uxj1YU2lZmZDFqYvbAVOhkOpDdinsLfuRRboFdPiRu5Kj5JlDjfsdelJwOFLOqBdy4Ah2nRU_sE.yPwNgdD0Pd6_nmBUouMYcsGh36yERfKG6xa9SgdS9i7jTjSonxAYk9ssgDSa5cl5EkIZipkFwbqRBinMNEtAGzX.rfVuqmp_cy7OYqpQZ6P6EiLXYb9N2zolix5ZhcrcrPRfdeJEhm9obHDJ0MYhX6jYdVHg5HKdkvhYydgk2MeF0FZQgZTLvF7qMSUTrUZB_rJH26NzZ6ZOBt83pta_sK8WOQKSRfOS5ByPeITPcNvDlSAnGvmn6OMakzY7AtsD1_ODGsGXMMsOeR4fYU0MF0nGVPH2qmrF0Yk2mPrk6H80ewv2pbbi3FIM83Pb.rng0mq4ZN7RkI0prdNU0oWebmK57n9zZG5s9O7euev9oXWAoEEpcNHcDdZ1NXu7SLZiJXnBOOWVoDNPXlADF1gs.LCEOg1KZQkHc4RSbmHHik73niYHLGDpvZOZ9_gOPyt8Euw0yQiYDkYXiDBfEOxrqGhw34zV5ye2_UpVUVDM8y7zt9Waf92UpOCi.Nunn9So2YU9IqoyBtpbCfp_QsfdeGzApHDdid1XcHeajy97Jpm6zwS88C1nUDums609J5lQzsYN5ljLdRH9NC__WC0H76TWkz0BvMYJcYXf9EkPPy3JALAynka3onnXlLqkEardoS8BCxrhFDifRAHNir5NV52ru.WK0vX6tGtIC50TEG84X2OBbuJo4m2tA4x0ACv49TuSLEe1v7F3nh.n7tFcRNDx.e99ftMK.MohmCyMI7IQc0SyZgyeQ84.13qMGaPfTTUkRmMrAmBdEciCNhOUQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fb07601f361fe0';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\/2017369458?__cf_chl_rt_tk=yOLjF2IjaGQFQsjSe7HrW.fivjJ8kXTYTnmqV6U_ENM-1739179284-1.0.1.1-KNp6.oFLCCRkKPwhBzmw1Y7BSv3MiGN.Qd.wMPqh.lM" + 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