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-819681762877.mit-edu.top/post/1459632870

  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="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-819681762877.mit-edu.top",cType: 'managed',cRay: '90f3725158af38af',cH: 'M6ljdlUppJEpQC630MT9Pxh__z7l41gO8O7oK.M89kw-1739099778-1.2.1.1-usbp5qDTj1mvPJ2zX1lNEJfzHklOU5wG.MCrxVWZKY1xWXoMRYAbbtvw2e1fWQmy',cUPMDTk: "\/post\/1459632870?__cf_chl_tk=hKovPRRrLTB.57SMhmaKweKXUE9YpJ7dnOqLtTi1y8g-1739099778-1.0.1.1-cjWpL9l4v7oQ1TILC6n_JOYvh8GrXSlfUBGxx9fAS08",cFPWv: 'g',cITimeS: '1739099778',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1459632870?__cf_chl_f_tk=hKovPRRrLTB.57SMhmaKweKXUE9YpJ7dnOqLtTi1y8g-1739099778-1.0.1.1-cjWpL9l4v7oQ1TILC6n_JOYvh8GrXSlfUBGxx9fAS08",md: "m0jEBrqxAiVzjww4uLC0vVTGzRBB1HMhMmVBer56bbo-1739099778-1.2.1.1-A1XIcemT_qmXJaVarS3H.7f9DMUQcVA0VQPaoqyVBfSl9qdzbDWxPczyEUuIoUspSLuNdm_N6RoWxzKGg0NU1gR61d8UiUeepwEpoGTVco6A64pV1YUbczqukng.NnFbFU_n01b14vcpimaKSGYa3EkRHb7MwVP5l3nWsTiaTm04b58y6_9hGF4M7sn0e679SiYN6GQxsMSv.mYHqohMQgWmEI_9ZFq.2dFVRhkNfC8jtI7pPVYSSD0pblyYjVpvfNwyi5QemJJW7O8Ui74lEP7qlp3_jPeUBFHMqv0JEzvtrGOQKAsdEWlbMh2mfty05FffVmV6SsJwoA.C_fgk.as4zisX9AvN0vMX4rld23FbTa63FOzvywC9lSSpJrSypMUGYBWKuFt_p.kP7EX4YyLdhPgAnlzpbERls1o4JP_AeDsAxfolNd.pZVdKTHtpUSRQErlPemPU7CX1pRS1LEMx725O29mHFw26QAekwXUY9krmXKeNnMvxyQGkYbByzo_nqPHaS_X.Fs6jmLMy6biBm6DGZNQ1dVKOilMgIg.0m1nuSfmgqt0yCHHDoBTzXZYSV3JH57tBdzRmvp4CKaK4Uv_awOHDNuM4hzXydtcsUS.irmRbg3jlXgP3pZpdNG5TCPbZse_nwNy6MJMHETf.RvEl2n3swCDFMuBxi9GbR5LlMfOeTR.nAYXLucQ33JuYKgALpJj73ioJn6JEqYAvsc06PtNqv8Kw0WNLwo4fdjrPilBIoMhR0pFQtzS7HY8xijPoCgWra_vS3X21Xz72X7ZNsUfzzRmZ9HcFVZL4p5JKPGtHhO94MJOQdq7lMyiVFtckSAnsq1Ph6LjdOAdi5k275MTLj7pnLGmkE5ufXN6rVarOr4TycBblO9RWYPKAMl43ghGNj2cVvoeThluIewwU41L75wIBMs8QBA4qjXYWGI4_t.6mnPib.LKr51dtof7AkRyBWFWhA8fZ1F2We662nQ3ZX6rPOGZrYELJEANU_j97DY_7QjWQnDdvXddDJJEGFIjkXdDEFqCM1eUgRWRHWDAwPpAw8qDv8eT.19aDw_7A0sw2HUbfrCoz86a1wajXHrKHXKA1ICBJtrgDjYuz7ysx6zHITQ5.r_fyrGItbcf5zUBl0xFeaht5ou5E8b6S6QEeS14LXnULKSL1T_p7LrBL51Ae_Lw6zHsqj31utbrM8yrxI_hC4_PkE6b7Jg0HBHRurqVfT2gcPhQs3kfCUEJvRAxb92PwYnq2pnUoZejKnXUveGTP_2kKVc8asg1fRXKP3xHndhJkDdZPLXuWeBrzP2ur1DJGnDK677RyYi3jtFjDnxMe3DlDHQrCMBFCGKUstCVre7d7IpwkMQQfWZX6FZziBAcOwBQcaTKTY5qMDqb0N8ykkhCPsXYP6dk2xaccCkZVKo_m53ZtsY8cfNFQIKdEeTaZPbHJ_90wjnRgC6Lsad1rJ7uTHEivWlmD25RE8j_APnK4Q70BQUauukyfIEpVjeQYKbOlZ0HI_eQMQyYD.dLP4mKI_vgl8V784mJkL7sIHy6Nm9sHYLyvXDEZz2_D2erQoq5_khpPlRMRjawHfS._jxqtlvRd1YY93vpiBMoUbdYwt4t5xLuU7prqCQM7iezuzx7EVVY67M3uUrJ8PQHv9QYTzqrxwovHUoUpF_G2amfDuUgSgZP1CPNXSWF47qW5jEmvFWWNYfqDI8ROed7Dgg242mFVrgGgKvo05MgnNq.A1Hj9KiJWs6HqaCV9ac2g0nwdBMANDKBZk50jRKULnS3wjFzbJ78tqz_Cmpfk3yN3awlq8NwjbaRgcqFT8DZ4E1YsmmuhXNtJWUJTLXhPvyKZx2A8FLxTrlgHzPiwAIkfH4MA5r50PGj5UI4tORk9CT7tqlzoFR2x.aqNRSMHRXAX.pcw13iJP4RwVLjzmAMOf7sorfWvwfYenlyZI3wOZreRxT_NkvsczX9G8o9Saf9sHhP06AVitIN6CleoaQKUcVKgXNMZTVqT5AKWYMaqS0EVEhWR4vgAjH9Dcw0mUhyQVyTpFyjV.khsrk.9uSuH0X.hTgruiC90R9ESpWJCU8b_cWhcx61cGcsCX8TRy9tL5wkgy6KhNeGTLoZlrZuhLcd5LKsc_U4BP7_pw0FoV.5YRveRCvI1868QaI3UV3WFSP6e_vLExmKtl4DHJ3yyd0sAiwBipyZZs_e4aw2n8THUabj.w2.DQkmPpKgPHIoV",mdrd: "vDD2alYV8NRYSJqAU91im.w9YvxvpTo6BQDEaso61ck-1739099778-1.2.1.1-Ig2yuZafMJR3bhSVt3T7b0cS4eRVcTwpdjpLNTvXscog2H1MI6DI3cRVBHsCqdQDDvd9EnxJPsvRHe3gqAhKVqLk0gMCLcND2VXd1rvs7Vf5TwKAGny.lkXnsd2uX1zKIdg8x00JSCQq1KEVIVqsbfZAnehVxYXtVu6H7SZlWYCh_BFwzL5B7dG5eNXdHrbVe3crG4WEJ5Nq9sNljPnwKL_fyeQjMKd8PaPyXbS96OqkhdihjjDIUpYZBFiqZUVe7c5xlXlbRjGMmBJUzw5xfzgYh4B.wv4X.q3yDKkvy4RZPYs48rv0ADG.QFbONhCv4Zv70sPE2qgKjn8jZCXw2lGDYzqFoVytGJVxOPWBnVh7FrHzHon.HRr8itjeNEiBATPuDXCU94zDHgE.N4LR62QSAF8SchIbkoizZJhQjY6BugHqQ2oOGGGP7HWIYfOdiJ6UYjQR.ZP5vQyC0Pwlt1Po19qcwtyGvJ_e_1yBp0JjgndLYBOokDCTVWtbH6jXZbWUoqGOyNZy9myFLXM8vf.478dAaK3ABaSIU2oM4JhmAiXNbFOvqflfRkwnEGsaFEw8ucishkuskRPYu3wfXYxQFf1cvrFzWR4B3JIXvbp0mCMFhcrBi3kqTuPreRenOnHepDYNwbVGZze8u5im7iJHiKI4mP_B.RhOCc9KQth5X9U9nxKMKMWnf0oEKsVAMtOXaAND52l1dS_lNecEsoYMYKB8tpp1nNFOmvNslzTyltvBCCtVGPEj9VkMQ4ha8xcZC9ePTQTO5.ZDNgpkDCtyHlOYusC6yXV.wmg4SXfSa80psRhpo_3Lz.jWdBodK8bA_JBmhCNKrr0BfN2AWG7RTRMck8J39uzNka17r823bCmoiblETWs8HsahiuVvawTVBNp4bz7Ze_nmwq_NmhHXQh27IxwalOxBMSStf30MZV82P9QwuOAGsu_ixVPw47oyqrTlrdxFJz4EnZQ0_wA9wUOemcmUIVH7cGtwpOLOUFW2BzR5jV6G1JQLoDIf_6nGcyPnOLxnB1pYU6s1qbP._4T98qCiuaGpLCqK6_3mO0FTDgEGJmRP3SLyFO18iIQXJPqSy_gtBphXuWsIxZzWzXUm4rBQ.piHQt89LV7BQWtcG.8vU_YRoDicl2XLEDgVE3ATRbwUyHkUsgbIWmUaRS7H5KRl6SiltTQJyyb2vrD.F6Gt7cUqSyRKKXEtUU6w7aH2dDIelqCLVlJAAKY_Zhx0spT.iSqCRNoJZZNJTE_RLSwFOy5H3EXtzUYV0ooWLIeyMfS3IUwFh2oS1nq4REhNt6Z61pK_RGXkza4pEMqy.1pQsIlo75X3uaRnurgHxQc_FygBhOEhacj3NpaQYrFuAasRQPmvfkr_Z0G.frt25zGidSkEIjZbqJI4RkdQpZVHx0Y4eA.Wwv5LSggVOrB3MyqSlNXFrK1GP58e.lwWWpYqvsdlcVfaM6HI9t7g6bnI8NRLTh1UaqnR3ooQ5.U2C04VK0HK3kh41RfMNFna1bqjQz7uIVaLbtMexqGoDOD7_wt8DtW6ojOkZ9svKqvKzPYV7cC1OETdOacvoCCplDFSwGcWh.80OuwE95TxkplnOspNrht5v1vV0vR7deXCF3CZ4gP4gco1ZMojYzJ.fS7phB39v4le3f1PXwJGMLgutwjkCWUzBVrRibID2IiRXa.KvLRtjxIBsvKSIL.VUGczS9Al_vNenrmnnlMuBVvWrfAPQKbQ.FdkvLkdVidIfA5mB3LEulwY1ffgek8ZM6xhvwpsWLZFNCxdkeOdGl6Y53uRe2qhe4.9ghnglAuqZbiAw_ad7E_iiUS4zN_d1qX5_zyVsqLV20ON"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3725158af38af';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\/1459632870?__cf_chl_rt_tk=hKovPRRrLTB.57SMhmaKweKXUE9YpJ7dnOqLtTi1y8g-1739099778-1.0.1.1-cjWpL9l4v7oQ1TILC6n_JOYvh8GrXSlfUBGxx9fAS08" + 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