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-453511409139.mit-edu.top/post/1830659472

  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-453511409139.mit-edu.top",cType: 'managed',cRay: '9110baae086807d4',cH: 'yS.FG7KWRfLD2DHDNwddGbe86S.FPdEWkI03roH18uA-1739406829-1.2.1.1-_gvQZ1dD1Lhph8d9HyfzkKNTb6j87Hd56TBHlnGMZuBmniQonObuSA24aNfVVwx7',cUPMDTk: "\/post\/1830659472?__cf_chl_tk=0puLJ7.PXCD_z7Oe4jmsXptqfjse9uOzNjSLXCEaaAk-1739406829-1.0.1.1-KFsVzKQMK8zCBPCw1jRCTa1mGj.LuUJp7kNs3bK4C_Y",cFPWv: 'b',cITimeS: '1739406829',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1830659472?__cf_chl_f_tk=0puLJ7.PXCD_z7Oe4jmsXptqfjse9uOzNjSLXCEaaAk-1739406829-1.0.1.1-KFsVzKQMK8zCBPCw1jRCTa1mGj.LuUJp7kNs3bK4C_Y",md: "Qll1WtfuLMVulVIOBmpLSod_4Z15Djl.ugFXhP8zFNo-1739406829-1.2.1.1-2quUT9ZwVfXdfmrqHKCEUbLpSgMYYPmGd6O1o.FS2qq_RzVmKLSmpJdgCMjbmjybWzeVO5EhI01HOKs6XJT.vThXpxtMKCaRgo1JNzWJlWIT99qydUqbXpOd2Jw6wyKWkU21YBFX.IUVyj3g_5chBPtP5gLiJU.5VFETa2SAevJBdRNQf9XqjlprxQaYMRQUIQwpI3kduFPFRTGONt3XQ6arCIRAHZznWCnrzJE70O_wZ6N9OmO2UK1bCCUDPHybtUxb9kwTDxdeAMp4BmNVIE0wcWSXBIXEMBaCTyf2LetwIzf5aPqfXcnk4FA1LCD1JepkRMgvqvOqkuQ4u5OCrb98H0zXjyCI.oRFmPCTL1F145H6fgnpLClojtqCI.JiuHXWZeV8AbNABeYQ2FH8XFyWjIb.keDfNRgigCM62Su_8TVPtOmdeHz_v9ycP_K_qX1OSm63.InN.7Poro8DY_6tX1kPYBE.X8GxfnbQh6jVR82J9hwxzU_gJQW4yPqqZqJCbojXe.6QvqalqwaLswvdqSya9yOgp6b97VBRY0MsZLM7BFkkSYKvvwPhJTulzo5NH.WSg5OitXtWf0_CjiyeIPE4sLNOnNYsiVZOTHjY9ZFkHTuXNjm1a5Zx_1t63PsSG0UnLbInXxHFX7Zd3g5yM2X7.ITPCCcGaaNQEHCdNvMLi9IsJyQDtYtDY9IdewR3OjpyRuP2KRxkWbop6xUlgCkqpmOQDhew0RnRPBCOHoaoP5Ugye7XrDYgJAW67yOx3Hay9YOYzo5T1JhHVGqc.bx6qLXc1eqrXnj0.VqoVeSFNtqukgRyW0yHVzUYMJ260oS0OuxckVQPgJJRvbvuhal2P_OppmXxChAdwtJiJiiJnEJiTdLG2lzE61k5XS.1F_fNJMeKiyrEB6XppIYbAztXczlI0DrEPWDDLwbd5iIsPKDvDJQTfzGc0H7bGB8oLDLXvnXac121PMMEh77gQk50taZ0UglkXiGXRQOmD01v4zv6vQGjyvL8uUBL7kXuj438GJiIqShIhA2jIsL5k3b5YBOyrQz72UqCY0hg32LAj_Tvm6.YRm.qnG4KWicJgC320tEvhL.8UNoM7hu0jiOrFVuRMXnSFxvch98rXM1vSsfpqA3uY3PgtEd3_4CzyW4k0kiTRYduX8wrKwfxVOahTLLS_u4PnfgBYoCFRR1Eo4HkDFrQwBUtSp6dMkqL5HK32liXp2.bytPk.kKArmN5cwkwDh47vcVTbB4i0mAHujbVAo6zqrdRAWkLPaTJehgL252NQHXjTrn8dBPCXbX5vOjeMiSHYKGqnrJycebZLUfv2vNLPu3BJxIhyR2_yPxXVc_laEGrwslm0usIj5rFVqzGQQchzlB0idguxynCM42QVWqOoTycYG5MB8feiU05WhuDxnErIVP3gRxz8VKRmu92WbOG5po.z4Lg4d91bNzp2QSvKOyNgfm85rjPSkWq3SDF.xppXU1n.FT19NUzjMxps9qVFBy.g.GmH2c.4sSAbPb8YyJVC9nCoNuVBzXTUvuXMap5nYaZsvv0cKcTiwciFmUTHU.5Sax86IQMF_S.WMzx4R1D7KJL.KWx8GDvkF6uttW6tJTqAW5OUcQ9svF9FIbVNBMzi86LAggujhNi3BfHoyWki9sTpi6VivGWACnY7JrFjAPR0c4JSRJkw17tief_N2POADIhB3tj6B4EnVtgooHLLIhOT1lmnvfQi4uXfHNGwrCuR7m4WmhpHRcFpWEgJHsZ2OJRVBhR.Kr7geko4IJ5_lSaOGbYuYVxBfG8al6q2zA2vtyMsvfZelEjX2FZFjAZY8SDUa12X.SmwXxcH2dZvVfzNScgN6C6LxAGyvPpUnJNnPVorqojvMSkgE19bGr9pDizfSTZAaT6f8LEZ4QkD5f3Qo1XOcTO2prGb36aNYdhMqD3FCiwubX6LO3zgFn171Y1ozu7Qc3URERMVA57GkzlDILI2qUGPAWkplJtCuya_X1BnDRamAoPV5AAjibWl1pbSdErqOMwhSkJgBF_h_f1PelER4QklCvnXxNKCfLJ4_km7vCt_gVFZdvX7nGTTodIRiflUD_xv7IxCTDCNbwpvEcG_TQYrioxzliDkkbtE4zqBTIsK6WeirI6cT_2Pb9ytIk8tw1TXJVZOVu9phhqX0raEOGZHP5nqB3_GWsjlBbeJiHVMnqJQk.PJNeahlRacChyyuEhWtsUqHm0T7nC",mdrd: "w1V6jXg7tBssp.AUpfb44CAC5StE11skCHoe1wZMPU8-1739406829-1.2.1.1-abpsBZ6oTQtDYntuyCjmNakKvxMo.T2_IYFLNFaujWk9ZB3N3gU9hkLjP.l9zDZWbYMgOphe8w5sOaGiejwxn.UeY6VgO6WuT5c3JIAVSsTCJ30gCOXA7g8jMda.Ed3YDhj6BOVYhQW8q2qv5EBO6.txuroiG2SdwFsE9dA.T.sMTTvdPRzLJKOrrGoIMJ36yE61NFxvtnGnWXLlRjGccPPllZ26JDnhDT.3vu90byvBuKJt4WOZ0tJyR6YFJOe7cu6mI1XJzu9n87F0sYChg.qYJnVJlL6WLipVop2oMIu04xFS5zhoTMq3vZaSfhvdTJsbISgSqTNOrDPMHHxfyvWpizvG_s3nyg7WcgVla4H9mW2g2S6iCCc6Xo_Z37j2Zvm_E8pk8PdIrfmNkWlAhaGYhjIJYqE1T_DcsnQ3.5k357NAjeaq1liX9I7n00Kdgliz5Xex8S4yiDRpTupGKsGN2V4b0AqKzqoeMYJzFuQL7ouTpZK6ClIUznq9C32BzjCNUqmqqZEGq0fd.BPx7IST9rAktJuXpqnJs7_Nj9QYxk9azofjiyAq2zb0Yf06PLvmQUY0RwZ6VnbJHJW08exFP.Ri7gnH5rXhZTl56OUEr3MfqZqmpqPTfSaJV4ePJl1iMC_SquM2YdBKMB0HdPrI_rjhjEsWUyK6WFlTw343.Sxu96ldzO2hgb.Pl0sppQAwH6SGQJS1QCt1RceDwCqbjny8lZwz8pc0miMR2ncjKeuasStpYdZ.xUIFlZbkRTN.Wc4cAX5eH7CvoRDHIHHv.Xj2XeIAaBBMng4rPKPPqEYTsX1R2Qmm2FxwcAlP9BXbpu9LgqfQBnYHlT5PllCRnwDcwmrcjaNBqhmotl70coSiHd7lckfaflYSZk4g2ojUNPVD78OnNVqJf2LkQojm6TwY_o6QBAujFAWHnQHX7UGQBXPLlMvqITgJQMKGsLI4gKdqs7NgHaq3ON4gzscxw4aDfj.HVtO4Kxjw6Sd0NU6noIootOEJkqznEevnWKmQQdNXWu.VIMgP_eBMZzgc6toizR7WIOMqAzkNQ5vMIMyfvqW2m5V5UJpDALtxjsn5966CukqhYwwGknBvhS7qCwN8j_Uj9k5S_nXQ.VAvdHv4uvVW4FDdLkUhoocflO4RedysOaaGGhdRzqi0_WFhIgqybnzF0KwpV7tX6DYgv2fyfBrWT2e0ZT5nSr0B4uYyrpC2ZVY_9lsRQu1hQsq6.IbgqSnndLvJjsmjdeeGLLzbaGiSUl9ENTj0z9tjDvr6_XKmZIycnlMCFWTGCkUk6vxAdY8J62Z5KHQtvWxqLDXCVbxroKWH4uBfU_.Y5kaz6LztotOUlaRW2Q.0VBuSi5bNUmhxA2TwkB1Rkcvn_OEQML15SS4xhdHbT5lZzUFYAX1X6uWKcTTRgIiz78mGdlzxEMFr0a1vpxTN7Cra9I7yfe0JSrhEZo8nS4wwSTenjCN3hu4229PgoG7VzkqSLxApCHzPPFIx7aM42awySF10.1q1s_7UWtJK3OEDlNY4tl_pJk5E3Lw5IUHANSeuH9DJ0t1gFIj4m5jMAL.CDoclUtOqE8L8GTo74RZIm6Uzs4FY8obkkCf5n3aGPh_FQJxhBByR9iqzZw_O7Mbui7Re5VPwMQL3NRQ.eNzwZDTBjrHLfcCal7tjyTKKbZ_HTVYuouObsCHYrnuLLvL_iyNNido4N04r6NFwe86do2GUbSbGaPaA0ZAOY6yqoYA.hcBF9SEVkav0pW2edquMNhmYUJL0b0xy8FAhtI34BqIRaxGcUI8OZU_RGEgngcbmN6EWL2e8wrSTxDwMQis"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110baae086807d4';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\/1830659472?__cf_chl_rt_tk=0puLJ7.PXCD_z7Oe4jmsXptqfjse9uOzNjSLXCEaaAk-1739406829-1.0.1.1-KFsVzKQMK8zCBPCw1jRCTa1mGj.LuUJp7kNs3bK4C_Y" + 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