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-affwrl385.mit-edu.top/post/4562879013

  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-affwrl385.mit-edu.top",cType: 'managed',cRay: '910fd6abaa08c9a9',cH: 'PsPsSu.ZXrvNkfKCBOaP_GMOrd0L61mPLFT90h.wfLs-1739397490-1.2.1.1-MIUUdtA4_N5DyLi2BwvcEW3ZpENwTvQj36ju5xGvQsL3298E.a_o4aRDFq88GFRK',cUPMDTk: "\/post\/4562879013?__cf_chl_tk=At7XpLzz5HSlFKhd_R1oZdH1BYaJSVCXZdZiN_0mSF4-1739397490-1.0.1.1-mh1C4zQQgjv5YyeRl_G2DhZzDiFo4ZNYJync4QQt1Jo",cFPWv: 'b',cITimeS: '1739397490',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4562879013?__cf_chl_f_tk=At7XpLzz5HSlFKhd_R1oZdH1BYaJSVCXZdZiN_0mSF4-1739397490-1.0.1.1-mh1C4zQQgjv5YyeRl_G2DhZzDiFo4ZNYJync4QQt1Jo",md: "pCCRbm8jY.SryxHY9PzEag28lS.LjrQMZBZ.HS1hTwA-1739397490-1.2.1.1-_hUya9kWRsYYjrk9.5L3DGGwtFk6_pFof15BQqnqKLXEkV0gAy6XH.UoPZ9CGZJ8pyQZnLPOuI9D2HAlDLmJY8q8PyJzgZdNdBArmVWuXkpT8ugAEtjvjkE9SuWY8Pxdi3osbdhKyT_o.tTpnJkY7EBSjnTXvNGtNOSTbf4Jk1A1khr7AvEHqkLVX82FY8JnDvIINF3E3pa58eBT.HVi3aBRk24xUpx8AeCC9ktVEfb2Cvg9p6P6xUJTgwzvpYKThNuKQ3.Cuww_ZRHly_8ZXpoullNQXp94sik49ueFdEjaMOMl9lQewSxDatuHNKpneDI7Bk0vLD2MJ_I9x9jidQqEyBtwwnnBPA.atgJoLe7VZvzKZwR7vx2PxvnilgtSI14onuy6ct24AY9uuPvUmBImMYf9oK68V42eo8FB6hzIBAV7DVsx.s9vZxN8lC0rjXG6u96.sq.Aylu0p3UzVRPb.2Ot3hO7hxzyHOWVCf9hgbO75VXP4e3T6E95JxtwVGoR2SDYtH_dAEwr0PrH.9AI7l7ADMQVb.ipLKvytm44tTnp2kKgPWiKjRDfF7Wclgv0nhwTHaqMN1TTBLdYI8dTR2KohV0D8VpMYZ1mnxt7tbO1lE_Ko.UkCwYF.46FHCZvhmw1WwQaVOTCX.7_ZUQLDiJ6ZpFb5xtRi_tGDarn0LFisIQlypMjpcOl35wjMIp_ROFqEhesjIhkECiEUQi4NKgWC1.Syw6eMff5Zzy9ZvrAnMtWkk_wnnWl6H13dl8JjoxTIS0NlKNTEsGKCbEYwuNBZt2dkp0EEjwOxy1S3i2T7borhS6ECmxUA.nNxzGtpY0vVKo.N5QOV9QNg4Vt7oqJiIeOV_ihu3SKdVivTgqldBPzb7_NDfFgwqFyEWNh7klGb8l9yCQ0TxgGX3ypJ_ctLDIZgE7PRo70ALqnZZTw2TESIJlWu4IOMxyUdFjBldf9txpBiQ8DOGM4O6C62lR27soaTWk1n8sDc6FFksiUOj6kO7C.vzshGhezIb5J8uPlSdsaf7LqbSIkMCKq7g154La6sJ7ycknVg9xOIYfSVZQf70BgK_AM2qppfwcBj84H8SGUOu7w.IieoolCr.NRFcacg7KLj_JzQ7jZtC_5RQrFqLef9SszX4Rb7j_S0y5qaqpHyqXj0vmO8pcbE6TQ6rNZ6ieMKsw4D1smgZeTdJhxYAlzKZ0Zo4xv5IyCSa7pcYFIC8FF_9kwl19ZCMbpS3FTHBs5PKZbSrNnh4LyzAgYyyGXlcS4Yqa.cnuK9wHIbkPDFGWGi3RFpnAsL_itIihYL5msuh_urrU2RJyTTSYulrhjsbFpxyYiatWUzXbise2PFCRNqOZXxOufTNSxN3tJmfdwj1lbjy0D6LYCvMScN4PHhXxhf9l6eLs0fYaRUymjtTzfIIHvcBlsOoyJXN7TWrzbXDkO0D1KR3DHmRgUd82fUslkgKXgXEypg0hHq9sJ7JJnoFKFzCWKF5C6HxqndUXIFsk.NLicRJvE55p4eac495kO35mPwJM5h2tCGZ73a0Sd2ARQQgVEULJtUntu3MOjsOTGH3NsOROCi.JzAmNCuLAvuiUDzTUvfXbSQDaX_HX_LRF84Lb2O3nQzvHfIf2WEO7bUhv58bqk1jacxN5bjvpxqlaf1oDXGpJYIDS_A3b3yOooY.PJ529bNviZVR7OfBQiZGZHFpCqbJyzn0GUjgZ_s83k02ajEDZBRYfHFSChpAaFkuroXosvW0pmhXVViig5TCzVfePu3tI.MA4CwaZUZyEyLPKTiS3QwSBQG_VjeChMWkJzoFAklX_De68x9FaUBa5UET1vaHGbSqaZ2d.TGdcMMEhHI8Gz7m7OmHXjNsVCi.pJ_Ed_HdRcJ0FWHNI2jWYbLcaigPOjMyBXCtxf4R8H2zz_3gebbnrEa9GSdA4CIDs3lIQZL3SBAkfNqR9TzALXzCSAX6SVuHuV8lLxxVWQF0SBQqy7Pm0N3CejZcIwIslBRZfIMQkDt9RDN5RQtDOkyUeFcAcUse9algU4AtCndOF66iteEXl.4HqY6pEFzyOgrxTx3OL9ER1OYOWB1rhpiYuWfR9puIm9dLYv52488zH7pxLI_qdX049JwYFI2MmeE.8w6FMkPUkTQ7axkMnhvx9ZspjVe79Hi1PbpY9RbutVWRwWmTBDc6npaVsgUsme2xeHyzaDbPGRLu6oBLOYWWzvW6TUtIjvsDQaCRud",mdrd: "KaTj7w8FGCpRQhUgvfBMatp0cT8Qmsj_J16eAYN8LwQ-1739397490-1.2.1.1-bOWqhav.4v1HQj1m4XOqcX.KEyGnnJkB2Go.GWdKgnLKgsee1Lpj7Jy24xxajvANldyyun2xv1suEiVXwbp1J0GJ92He_D2SDL4.lw5DS9FW11Ej2HD.aX.XuFZ7BhUv2NkCkpi.xv08qbigK4gRcHReluqYhOjN7zQTEN_BPKHpCxGrDSPAU3iIUbaHfOhhViLTl5xNqzvsLjjJu5A3WvrCtKqs5qg2gQCUoXFM2yOTWHc7V9hPVvzbuWpkypvpnFssPBtQH6ExZbslYilVO1hDBJVO6qghxYFznFEfRgem_A3ieoxdBbR3NikyNYaJ0yicJxQebWTszd7V3u_LOaHSXhldxrEODoi8B0pkmtjWoywY2dklw0tN_dgoCLxKoF99MnzzqkxFWCMS0r61TIBzZ1AdIE.24Cs4gPs194HNJwRvl9KD8Z6MoO5xCnLCZope9NLQ.vFF0RZJ5SgqqL2CikNe8BPYbrCja.GZIe023bd3n.t_LgdmlWoUocokJeoa8Sn6OyJh.vwhKSmAhA4hMpWLVZTLg1dMgZK_MHFsj9vAj5DaVuIeAdCsD0u0PIj4Qi.oM0uZ1p4thFHCGlUBbf0eaGDRRYpt3QUOCFXs5IwaCJXsbQ1G8ZU4vG0Pzo.2PCWytoBYcEdAjr98ny7D2K2.JuqD0hGOsZm7z2o875Id6NR6k7SiWGtNgU_yoPJ5gS0HJ7tQHtjmDgajMbveiESLBQWaM1McOkBBPE72Nv0xZuHGhhNh4nWIMPEulvshOXxNqIhSkrXFbtOGNJLDkWrakZ6HGLT74.9.zCPPdWWF8JO_mw3OufPn8wejV0HwjgvkFk1YY9FvtQoLYTebQeZix2SLw7mpsrDgmVcfh5CK2gVqEx0AyySr.I8211plm0Nx0P5WerL0kcd72AoaH9TEYWDCSmhdOOx01dMzuEt3bo5Kkk8SaZjQae.M5QLMcn5GBghdME092WfSWPflnL3_K984PzaiA84kKfqEKFHZmROubc7JpyzPPgQgA_vRuT6qnd87VTGtn9UurXvSIFzOUQIdLWCvxrwUQWd5zsiS9gZnRLtWg3vC_IeYBgFRdusd9BdBNxALnNJpSOmHAik5J3yLR2Jz1108lGrVtVpa9X0rgBBSvqyf1HV7rhThNbDInw860Zg7lejm9x.VVMM7QnNpnY3WzT7L_GA0lLdtvdxtpquzWG0gfufVJEO8oQaW8xORM2l1kivTAWqObsygGBM230RkQLcS15DLcINNQloLYHY.oc7ol99YAFbyxDKZETgzLc07wt6qeuxOmP4lp2quhAyqvvBUrtn3wkJOrXHuN3ESyt_GdFjwqRmqjJNhh8A5bdic5xRomuwvP7E9YniMMFBF58N0dZ1yZM1r2ZMMVaFt6oYYthHrsqC3Gn4JTYyFcZHSnq24jc4Gz2HauqwABNoQiZ9cD8SwIaYU3cl7d08MVeOX76pX4Gs0Dh1WQkD.RenpraXVk7w2UVDyqWhZ9QF9uZ933aG3Kw.0Be1olw1A4pzVUPI8sndJgyksQdsJoT6Fd9YC5pqcYLAL46eYLcYwRPZ9JLDG1l3xuuHP9Xi0wdOsVxK3aTgCZ_0j5PjDt67iZurDFwg0cUJMIUutdVbs8xvRX5dIfHkz7TbqUVFAs11LIr63GAvPaeDIxVMMUCyYPTLaW3FGRjS6H3n7iTsZXaJr7TktA09em5izgvrmNzIr7kbCEo.JIHURHu47XGXUT3_CMJZ3oZYDa8OIQMZS7WfX_6ui4FOAxgW.OIwUpFrdPbUd2pWKLiYrFBO8nm3fNHEFmaaTaijqB7pkbqmmtAFrnEo"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910fd6abaa08c9a9';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\/4562879013?__cf_chl_rt_tk=At7XpLzz5HSlFKhd_R1oZdH1BYaJSVCXZdZiN_0mSF4-1739397490-1.0.1.1-mh1C4zQQgjv5YyeRl_G2DhZzDiFo4ZNYJync4QQt1Jo" + 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