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-263805099359.mit-edu.top/post/2519684037

  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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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="360"></head><body><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-263805099359.mit-edu.top",cType: 'managed',cRay: '94afc42ebfbc2d27',cH: 'nn52jN7GrFyQ_bocI71vDoUeL7efsyT81vshsAhMMic-1749127518-1.2.1.1-7maZd0_yPF8zz7.GANMrZjQ0zi5F7bnPx6VF36FqrGaLehdQYaPhcJCS9XRurego',cUPMDTk: "\/post\/2519684037?__cf_chl_tk=ZfP0hJIXZIkQfR0iJR6NpBfOkn6WuIuFdsmgkzl3_w0-1749127518-1.0.1.1-xbYoK_OAErEid0t_zFQLYIiIIzw3V4epgYWzPJIcJB8",cFPWv: 'b',cITimeS: '1749127518',cTplC: 0,cTplV: 5,cTplB: 'cf',fa: "\/post\/2519684037?__cf_chl_f_tk=ZfP0hJIXZIkQfR0iJR6NpBfOkn6WuIuFdsmgkzl3_w0-1749127518-1.0.1.1-xbYoK_OAErEid0t_zFQLYIiIIzw3V4epgYWzPJIcJB8",md: "z_MUydIKziRjZp6g2Ls0JgNllV02Ow8_YM2iuJ5t0AM-1749127518-1.2.1.1-xkhA88qsDxOPN3UzwDVuipN4XFkYdR4oBbnufz98QYOIwmCamYHqbJH3uiXrb74M18Uv_XzRvqOOQK3xVqcg4x0HqMjbVt2PTythoO_sHcueHu6T0hQe.mxsoEz7AlrTj1D8sR0rQaUGBKZowiKhtrwIyxwfTOCL7OCuKiWRi.PGbfQx._KgjO5E4ZoJ9rpi1mwpPRqjOF7mqHVpvr5wUJ3ElFYO5SOn4k7Wlnl4hAbxtd_oCbA6K2H3WNP9ImYEQ.PcoidfEkT9YccFvpox7grFEJyWQy1PY97ormIFpTHOTbro70UeBccAss5Lj1rglCDuKLtwaIY43YgpIAg7Ckxl3sDTMVHjpnZ8m_4fmcc7VTLOSIHeZzQ8KIZajdsOtxz8WTxlgbWenj0pSgUdNxbU5AiAcz_IinrpiE77L3riFxnE3TrJI8ytfpKIxy3ZiNKeF4aXIC40QTG_4fDuYDa3hneNInu2Y1stkawmCsLT8k848WjlTcXrcwDzIHnf8ToPXr_9z3wmGWY.SJpUiGAPi3JXhD5b3vweWzWQq63fC.DNsss_1cfVl54QOjyiINgDtg7iVkz8j0nEagkMH8dUrKq4KF_a.obYj.KKrsii_SyXZEZQAzFFnJ5tDeIALAwkpvAln5jdEe16FjzTns.9919t460qQuDJk7fFoL4rLrgVwgcQlPFHB3v35Pg8qD9j1IW6mAMQa5mq4g3mB7GIc2bpuiahZTt.BvCxTCIVR9Zf.rP42lDOJoiTnuAThDsC39kV7MdnPZE6WK_V3nLXmsyARWOnfDc81ioIfZMn3iKHeCHeRmuhJUlhS.0bC67LYwo2FoLKXzM0w4pSoA",mdrd: "H8dGwqwMTw97cswZ8n71EeydLHqoKJilAEM1S6_E_z0-1749127518-1.2.1.1-uZubZ1.jq3p7.YOrJAvCQcxNZwsCZ1q.nxlsjXwLUzsG0crLC4imM0XKv46R.O.R4_vFvQd4ypdM4mZgoo5z3PeDvUlOAZ7kHbN6m5BHtAy5L31xe2HcoYGJ3.TXjrHDCuarzEo1K_45A_eH.E_tN7zO6vF1heJOSw04hexF15pfdG26AP8rkHSgcRGFDnkSSSJRyTkl_bpOgEm88vxnI6qWyFsZKgA1EylOwofDidA4JQc32SFx5Uxb.9eKx0UaFG.Lm6jv4xPLjtJRQGzITA7X33CtD86cfvH7R6LLIBYQUAfGhsGjkyVVilYD7Myv3LGym5t_.iheNbEHt.7gQX3.LaB0_qEwprCi7R6VWkkok8MJvacXSk.v42Wym8EbSBTmIE.i32qQHId_SjZAFKleoev2D8f5WnxwCGMLF6H44YpMGTSfssjYMDeHjU6wYF4O5k._HOOoESEsFJ8H4bnpIaeGHWbzlxztjsS2PFvFDyB_KiGsloHY_LvvsQzFNgi3MVSryopGKxGJE3AVEzXe.dP9WCB4Z_JDJT_l9Ss8X3y.sstpu9P2no6EH8zdgy3F2ZMehIjySmPTX_7UCj3hX7V.tPEWC7BOuFHKq8VZYUZ0q9iIe_gebVYxZuhVRH1TVelGWb1izcjOoJ5H0qjDsStlLlXIfwJfyZxIsTTgssHVVLnjXTavrE7lALG6fvavlAIyn2m9DN76Rb14aEWJ3Z_ae9iaa2sgDzhD72CYZAKXpFKZXZWOjj6V5FfWbj72IXbJfpJZeXHV0U3otEkAbXacigYPMoJJMMLzYPd20GPhnh4wpO2ZCfhsWp5iL40lJlQpajRHXXVTfXfsIJq92WM5Qd2z6mXhVdXsXOS3CI6R2Imdi8Ds1ozvJkE3SGSq3WDA2ybdBmQoxaF_NxrohI34.63bA8c.3YxFvEmvvu0rk_..Bj9LEaZ7EMFSqIRrBZb63Mwq0JW9Rr0.5cqXt.fiYH43hr_sJ7AowwkcJFlSDQfYLZLwfrzB21LKUuT.yOL2ddNBHX97j9nH3jBn5xqhlEjK_WIkbppnnGocZwr5mK3QZdg8_0TVq8ozuhCCr2oazu4gDwr.vfQVkpAiopkmljO1EjhoupWj6fgBojKqeuDylRAk.gg94HnJfm7GU.Peihos.Ry2cOetu90slPeMH6Vh7tUBg1IHcbYPyeA.dg3ilu.8AND3tP7n.awO_2APhyqZeUHQCUJ35LuAwinq1qa5eIOS_UwaYMcYfqviN4S.vZnAH8vXIEHW_.3mKQ5nKK.ihGrnbPImdjUq1fa0phLkJEVDmB2wneoiCjgEZobZkcPyNHTtuPpgEndC4.8jBzHahpCe3D6LFDgNd1XHJFonETB9By5.sHcct_CYbV8LSCmDPU.oZBK4wlKfLoaXKqt54aTrEyuynzqoMmhSKyVeKyBm2dpWQWmDi.n3Az6ttbcRHaHYnbzIBtaAKofPqN_0GOJn94gFsrHZlDp8H3NdTvgiLiftisbWlezTk_CS6etC.nqrx3sVS6AFnrzLxRQR.pOei4MhOunDu6VKUi2U9x5cAbS60B13oSI1oMH7Biey47e7cnDayW2Mohru5.K_d93H0XRyAW_nUQDj_4PesCzXpD3.JyHemxYpbH1.71QfnH7U6lcYZKNPizOnjIUXiGd.L8eDNLA17Cdn0mO4yt6EjQD4hzOmW80kw1Gr86s2MVJdUSjisHdY5fPwDGVzN6b.blpSjeS.4W6SwdQ6OO.SoPJmJJr1CIQoe3KMVuOE8FhJkNS9DvINN2LQ6ej1gQlY.oim52tyEekwJdfSB5OBbvzRWgVclk0T1Dnu_Kouzd45RrEJFSnvpt1MPDzXMOLYo5BPdrSv6Zkmn.0mJTRYFR4U6nc"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=94afc42ebfbc2d27';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\/2519684037?__cf_chl_rt_tk=ZfP0hJIXZIkQfR0iJR6NpBfOkn6WuIuFdsmgkzl3_w0-1749127518-1.0.1.1-xbYoK_OAErEid0t_zFQLYIiIIzw3V4epgYWzPJIcJB8" + 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