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-743059425200.mit-edu.top/post/0549863721

  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-743059425200.mit-edu.top",cType: 'managed',cRay: '9107b5f97c68c9b3',cH: 'MRM56dzhNqD7NKde_9B6Y8EBBDhpgYKAvsSg80_mmfY-1739312265-1.2.1.1-O1kvpEsXXobxUlT1XnBUHnRZYx9xu9uW7SWr.LrNjxQWeAY3v9GrfpM_G0mrLYoP',cUPMDTk: "\/post\/0549863721?__cf_chl_tk=YZpdAx7pxzDUU8qagcV4MHHCFy49aEeLB6oOI2lqhcQ-1739312265-1.0.1.1-.JnmDrzL6VKkX3alYO0tE94lqtRLNaZ75d6BhZmqeak",cFPWv: 'g',cITimeS: '1739312265',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0549863721?__cf_chl_f_tk=YZpdAx7pxzDUU8qagcV4MHHCFy49aEeLB6oOI2lqhcQ-1739312265-1.0.1.1-.JnmDrzL6VKkX3alYO0tE94lqtRLNaZ75d6BhZmqeak",md: "3_yaLKQp2gsfZdIZPpLZXVS6xbb8Fgl4t9PHkpu1ogI-1739312265-1.2.1.1-gJ48BjF5TUO5QaukobVpz6hM_gRX7cnVlgbS_DZ0K9.7lZhKX6CNFU2rS_aVFabnv8kzsPSZooLRqSNGggKex2GKtkH1n2Bm4cAY_FBgISJSeStZEl_6dB_llYmsHnwOgLXkN7Q3sOs_595CkSn2Fsl3WPCmMBaaQGtDdWnqrqQpWyTXb.vyk44a.00mw8qBqhzQoL2.ffprlH1XEvq2n9pVD_PdbZITeBiV3F_rzNgFP0c9k7fn3bn5VmK4p4s8UwAJQdMInNPlhy3ltMSEdpMw4UvlDH8O9Q7WwIV5ucqcUZP4hRTzhPg4eK5l_Cm8KZ4ci0q2aonJIzOad6LjU0lXDEPsJGs1fOWITyyr6eraKBEpk_IYiR_PTeTMjEFoTsJ9Eh0RhUYEIdIHQfGCnKjFr7kxSlOmc1h0PB1m4AZO5jFUeh6Yuo82BG5ISMYgI_RzKRaMbv8i4NPxMxnn_zOy2g1DnDSEizm7_H3OchyYGpJQ0zsil4EzRaBj5KmFPvXsjrQUt1Ey_vDUogRy8Zaj1Y5O4Kqn6mn8DfquU_extKngzf.KgxuE0_OEVx3FL1wftzszXTxgnfh8vm4_9s097jbPKc05Uhevid_VDP2v51Y5uZEGd2ZsXw257EtAk_dZqHtVpXj8zuHPbO4u8tWAtqgRoCWUcjBiI1uW1vlUDwFdF5d3huA0B43brvdehpDdJjPHAjb4Ozpk2w3rQXFeVuT08ZOB3LhJV5Xx.zxUw9jQw7rRkzmRQgPs0_cT8CSe7rHEjW2f7Tn6AWG0nLi6M3T5pjPfW1oTR7zCnLb4TKNjx2XrnylxHUGA8Rwotwh4FJCO30z5sDRGgjx.X5o.oiKTNWBohyBn9T9DHF.XhvScgIE2wAmkLXrQF8DxT6mTvghC4u3C_BQS1.qAuK4xSy52E7NGtPfyHAmokUaxYtywEJ3LWTL7s79aC.q9i3RIFHp2s8oj83Faq5HTOtbTYh8YXBR8dA90cI9H5lpsvlKHa0wSt4OAEb4qPPNtDw74Ydut5Spb1HUidJy6UoH_8Nx9oxLXdq4AXiOPy.RtT7se_zqcp5Iu.To1R6DL4GyOASOw86fkPrpJO6QMsaiYxQg2DIX_Vf76PV13jycqOkzyQShzoz_JVRZTIFArzPKIoay_KuiCJAmovyNjZfH_4k4yRbgQP6nutDk3.OOn..IVBAiInytc.3wqvywVir6Zk62_z_C8IIcoxWZ_YbCc2NAzm3iXBBY7CgY4CE3PNrWSy4RbwP9nx.eCAnlUEjELDKz82NMQbzfAZlYNCEdbxLndd9NVGCmzjr457Hbi1rbtnKufNZZCZp5lNXKXscihEbuQVoOTJRVyVYXGlPHGzOo8GPKqOmgFhl9.IOFsV0Pzhyo9CuGVSOFegpfEMXEdy.ba5nOCW3x3v3BTo24ItkYNE1MuKMauKRN8O81T0s6lgk3.aN5wBCtcvafAE3JV.gCXCqQR3kZcPgnu2nB8f9PawbyXYy.tOyqkt0c4RqymSNX7RQaQD5T7H4mXEsxl4gGw2HdWKMhOhtntM3ldkS35ir2duC1A3sqDMZlxMe7I9kAE_FdBQkQHfC49Cv7wvhTosk0yOtKi7OR_RFJq6prPIKEDYhySQSeQy0jEKzx0dDXD_HSfgSd0Euxir38Q6aNJB9H5pUuf7G0M9_BgqaK.3.R9tRDN7d6e6rX.AUMZzZOF10joYd8uCYb__.oy_CcLKDYHEXHBwlJXhHXHJNJ2nGvy4itO_pgJ175nlV0rcoE0prTsx4fDgoUGBObfyHYfQ4q7thmpUDk72PUStWzJzxx2W6JiVKHx7t0MbUSSm2DTLWB9MWgUErYZwh8SwXfwUvipLHX7m7Gf.U3E_b5SfxsP6Mdjd_WMpF2EYw8aAt0WT6FFbLgNIv4.NeBrdN7dxVBNtw2Pysntg58Xa_DKQ4HS2jCREDHmNN_6I03RKEgWcm99e088M6zWyH27FGQDDNtrvh4SGF2UTA0O125K2ifLpdeoLgWADgyCF8pBa6n4SgJb1aiYSzEE1JKKx5B8IHEr6yK27BvKlygR.1QOB7hlV2.GjI0ZgcSKp2p0xCo3OnRP_DOOVet0GdzV9.YRT_Ol3.pPMiDVXWKoNzsA0JScVbIYs7uYWjFEgOefkBqSh77uRpnaKZr2PwfPZU1tHj1uUt52Ju949a2knFugJaMpUqmSbZwA95SJ500GfEduBk6YnhR6o0Wm",mdrd: "EKkgnD9NyCKKui_DPxZEHAKRXIiiqbNZmDEmZB3P.iM-1739312265-1.2.1.1-2GKoL_naEuqnjIfkJh.22GGgnbGY1KLy60Ywyw2WEuo9i4EPLwgIG661cHduD7oa1SoulCLhZXuUWsa.I8uAyvh4UvUethrP56ITBO5BRn1PjRBNDqznkFsP.Pm1SoVC5I_FhztSbC5nhQpqbOrhyLZHQv420o8HKZWdGstVxalIJeK5PSGfDq0cihUEG8AZnbSCK18IzxhG3YMqJuF.lSR_.nAhgd1Fu2k_9h83U8rg_3v0U2EHM1Q0pDaHP.euVKFn2sdYcMGyz2T2VvDp8RW2oSHX0Xco_2Hp80hPUaENfc.c9mlcT_nDcFU0RWTiecHFAT0G9Gn3Jgn60f9baU6bsGwFZQv64_YMc_W.XRa40OfefwdZM4kxNCP2wAesmYCwAklbE9aGAMDgQILCLGl3WEPg5yWGmtBPljIv.BeKeC4V6j50NXxIf5wLfxGAyCUz8fz2DdP00CsajY0kMjuhBRi5a0Pwb.X3w8O9VQEw1SLYCULG8npgk6diKRAiqDwGG5CQgNR.sxNPesUaduxJV7aDBEMy6zdu85U7M_voW4ipyvRcPS7fhnCM8RL6EsxOOxcM3RVH3rDFOBL8rEIvUklprurbwesZKALtb3YL4OSA9Kmd7GVSXj.QQf_Cu19vECh2WI7U8TIUXnRZN9pHu6dsu9ffFBKwrsQxqnuTuuO9CXp4tjhmBzhcGtfj5bH1OM2aCWcEgNk.Y02MWi6_7yJcYC.j7ft_wZ4axh_h3HZqMw5umRW3ePqcRlMOvRvGxWd7xhOBPN7FOg2au530pSEfEbt.wqEA1TXeRTp2tzSIMEjD0rF.nQO6XWAkImfoq3.pSFMqHrZCBCuiwHbLqkLwLsNsoQYXgH918f7BCG7hMiosK.myt.Q1vkK4fOiwIQsW788fztHNaSeV1jUQRA9elogNSyjNBa9fyRc01QleHEeC5ISseimwxuGhCk5qeE9rdAcL.8.CU1p6N0h2nifepA3mw8zlH.eWAnn4NMcwbTuNzzFd3ezchYakFwTeRJOEEqLxNLrlv_r4hBdSMq870Y4ZCZmJAyEzO2GF88gpbFsNbG05wSsAen9Lws1hUrQDMRz7FZzhXAX3ZqRe1qhwwPEMGSQm2hlm89BlFSGsMsr_iW0kZ6broliWXS38ItSfMch1WqtQFMlD0rNUcbUr9a4V7JJFun5kCrRBO5CP.6y5cQI0mmItbNMQ2ywmeS4Kjo9_gPxeybOjPjMXJGrsKC4l4WeQ9OL8cUCQwhUO0ztzqxLt_u9PzIStAq_cg9wnQ16ZCDqmh0Il8.24sheGfF_wMFrWzpgpL.vqQg6okEmHKJhk2JCBqNkFwaluXwpv4VXEFHW7wqFcA6yMQUDDtVMbK6n9ReSP3nWuZGzTJlLnvFIFW21BY_rZaZLDpwI2Z.JZqM6rf50izo.GqeaVTuLWNga7U7SondyeMbJ58Uu1xpOmV3N.qxKX_J.Zf6Y8Crj_Ky3Qj.eBeh0xcdZ_8KSzLdt559C40N7KtLu958huwZj9XeH0dTF_4mXQVyeTPY4In3cN4Igu6nNQeMPpV2HpbSSXjFBfel71p6vQfoZN9FQ2CusTpY1mPCgJ1h4d9oitqlzv9xPYgk1.iFo.yPVTZNBPwopmpDxMqyONl30AU6AvqHvSsxEY3.N9PY3nZlKuFR4MCgMbB.NJbWaWhxYUafyMWhIkM5KjAQ0Inj3ANc9KLhP3Dd.qiqfxBsQ3SOseU5DXPTPxb39r6scvGlYPj_W65YLNiC6G_OljxUd0KTluGK6Ta6sny8KKYl560cQotk_MXQL6IfYJhbsw316jlnWHSQSJo5Y"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9107b5f97c68c9b3';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\/0549863721?__cf_chl_rt_tk=YZpdAx7pxzDUU8qagcV4MHHCFy49aEeLB6oOI2lqhcQ-1739312265-1.0.1.1-.JnmDrzL6VKkX3alYO0tE94lqtRLNaZ75d6BhZmqeak" + 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