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-aff1tikpl.mit-edu.top/post/8061493725

  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-aff1tikpl.mit-edu.top",cType: 'managed',cRay: '910f7f924c0dc9a9',cH: 'BTWyUNp_EIIRmVTeT9mweIyKIJoy6CqKDrtw3rliTP8-1739393922-1.2.1.1-LTRQkQIWWq8bjW_7X5nsVKqPc2exZLGd5j8E8kgcwE2QMWM.yo9B8NF5P0xaBy64',cUPMDTk: "\/post\/8061493725?__cf_chl_tk=2PwWw514248AaBlaHdAOu8.Apt48.r8mU7F0qbh8vKg-1739393922-1.0.1.1-swQ358QtLeWJ0PY3FHfs5hYi3oxA_h6NkDMgLr9d0NU",cFPWv: 'b',cITimeS: '1739393922',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8061493725?__cf_chl_f_tk=2PwWw514248AaBlaHdAOu8.Apt48.r8mU7F0qbh8vKg-1739393922-1.0.1.1-swQ358QtLeWJ0PY3FHfs5hYi3oxA_h6NkDMgLr9d0NU",md: "GVsFsfnVDY12SlI0Y5C58zEC6rU5lm51OBQREW5JUSA-1739393922-1.2.1.1-IcEGApnHLsbXT8qO9vqwloUNOxR7LXJIG7EOQkED5Y01lpOzdMhKX_BoE6rU7_BHxugbKnWNcjobf8ap4jfFyjiayHuO3mnNob7e5CtKp1bzuxC_.CslGKyYoTU6QirMsC8hmVRv6JdXHG3Q0qINNlG.1awbm_tz1mnRpsaSk3EnM_ILP.11D2zcesxYd4CaOE.8okQJ1Yg0h9S3gKTfAdsKuxCC_8Ma4QndT9KsBGWeE3fXEyXTqe0WGHs4vKHuIIBidUWl0D4rHWT2cRV67xKE6vjtZsUb3K5e7_.lLxWn4Cbd.9cG1PAG36mzWpPRI63VuV793Frk8jrg2qo9rvKqH12hsXbAD_.IcdKR4tC2yA7EDcGU3_UiB6vudapkxhjtC3XfGzIKpRGuRgA94WMYWonrxEfDg_gkN0dJP_FbiHI4O4qpqzMjAlM4WjWRhPzBi2kGWDVHO.ziD2tcBXW8MC4dAIRldNplBsX9kxRzd2eV_wUYOOLk7W2vf6mhh2NekgAOG7ShTuIuSZbafYW7PsE6_wNCpggY.PKHilq0WnFZpCkAddSz0dQAcB9tWUZbQfqY62jHNDwEHnUR4ToqUIG0qbwcD6VWOTyZrlOxAI.sNNAppKIpB46_BNd7.VbgWagODEj3X5LQBuEfr_O36UyrJI.9cEFYxU.72LHNG5pIeAppW_8ZUxGX5EZGGNxGEkIcgOXo2c958Ybk6ilKazQurYh.Ip.N3Ua0bfZ5RqrlHx_9Kjb8SePxVU3fvQTFy_8u7xzC3i.swuNDZc_.XKdJS_LPQo9E4fBR2Q.lxpeUkFst0JpudhXhQ2xZLlO7H.blVn6uG_iF8Ldmw4LmWMhlLTL8C7MUUxL.gS6PXhoKQ2Jea7I2dCbH0ReDzFZn3ELJpA9HN8jaoMCJZqXNxQLO15T5hvd.jCEy.zxKMcAU57.Cn8fLvk1XJILGNlZjWMGGx9YxLzwvL_XBAFNNj0AmyhKF6.l7V7JH2ZYdTbA5PHZakFHYQVW3Cy2li2mj1QiZ.VinW0EfqjjuahkwmZkX5K39gVDWBseLwB6ImWSvxV8m8ySPRJetJV6EUQLTPo4m5FSFS9IL0hRymQsH7bUqabnRYQMXy16.HB6GOIyOM3RggZQde2sCDKI1vP0CIdQ.CPPdtVKIaCarPsvTCFNrFahO3NOxDe8gkVljtlpCWl2tHeg_VDZ6JOE.62_oalpTQq9wnaMQ0HVVXK3Fqecj8nvLV.Kn0Sz52WwK.d4iFVxIe88uzmGlOMUGRSTOirOgONqeher2Z5MDsbiilS0oWfrA7ICDaEzT6gWe04to85Gehjcmh6AGLqNlvpfrVOQbc.7yCAnRHTlOTuTU07eOdeAF7pKsBtHJ9ixZcJwqfha0kXYcjFNFTUpN.OoIW.USl5bYfcLCDmdQ9tcwj5GQzN6Y8zizFmvErB4HMP7cmNp6NBLMVVsgw8Ujy7.rF15_25zdOYVuNVQkzFrtrT0i4pd_Ve.1gckCYe9nlu_4lPgqT3RGkqgN9hn0RfSo6rLR.qTXHzOOtN1fLTFVkXtYp_dSKtylOa5Cf2WVY8m.QTs7GUqDBkTD0BqYXKJTphg9AIILLT6Wy1gT7Tq3ZODvoUXaYoAVapW59ydsJf7CRZB4leT9A9cbrpkPTR89zWG3ZFarLifzGinxXb4kCa9OZvo1sT_TxPinIGFdDkMuCmBhvkinw_3Yp2lkWBQDULzgtr17lMx35FTePcHYC.8iWOuRa811RW9ZhIoDVea9kAWlSnzSMY5UiuQaTWbLyriIaPNuP1fBJUwaXhdIG3X7Nws2rXc7qM3rMpRd_6W4wzIl3AvelRAqonuk_OwKw8XELumiHySKhr6.ePFPf.Qox_dESN.BlAGV8IiLPc1CJcBeR5G6o4MAoGWTCji.MllHLjufeoST.EEm7yyiZWx2I_lTrR1ODwBsv_v47FJsotmn83rH3Z1Ix7KrjcIMW2QgBMQjATV51LPlTl4jUInMCLjxZKDJpr3ToXe4oSiYYNOndJhFw38b2hEu8r.xyXp.xex0Rj5YSudKXE5_6Ax.ePHTawXY164e.PeJ7F.YDe.gM.a.Zv7lOZPjOQyq2jpkiiVtWCob9TfqgtMZ962bgzshunwi_Oo.ov4_gBbIAbEgr.TeegEMfEJzngQNuS.IJnA1QW6giwy14f39hkNMDnqxOLyFbAPgwAzYXPFu0cAuOOZtnmXN1lOg",mdrd: "x_n32uhULjUK_RCautqnDzMbGnyjOLihfsCbJwr5u.0-1739393922-1.2.1.1-WaClrN8GPlKtQ39Ny4AzJJNdIV086CIQOKrCWlj4Z8takDbLDmeWjNzYoxbm.fhws0fOswfjr4mZjZ0Otw1fDYDfoquT3HoGsuk8Axm3Q7O06PJIRzbwPNYJ93JT8WjUaiKpjWQ1RdbdvwOm0H00swsOGE71EMxe_PvuVMRda6AgNpUTxHxH4PxWWvT2YAxuCq_65PjqDx9H1JY85lz_qwNK9ZPmMlhb0Mgur.jlY8C6YyOtybsUKETQu_TGkIkHZNt_LFT0_v7JcTeuY025Bneuoc7cKi_k2sW0oWKxfvPhV8CwgmIvgGStpHFoeU8DNe_EpZfBO22yIsDExqpwYikd9bOvkvEtGl5m2OmbVhUbNN2jsRo3aNrlHrplNM5uzfKJyRBL3o0yKy1AoXh0MpSfdSfLSUpBFSQSrZpGT4SMqfRogtXT4IF1QvnkooVP5S8SqZXDjGx..NFivWdHK23fFIG0YGLfS7yAcLx1pPM_Jy8ZNQolTZ3qTIWtSRORQkIXPRxjzKlsvco69ZyQN2EqqopVHVXkrhiXhianT.Bt8l5RL.egAQvl3MajlSKMgpFRFDf7ddLPAd9.os8.6clfi9LuPbwcA5pye5xRYP87rz0U_bD8QQH6OKiCwB7jEhzpqnpeXhwbD7c6vWCzAmKrR1blPe1ke32tL6DoY5mCBsKRMW3MZxOxU38p8XaUMNlz_9T6Focc9N2xLQIGQEiXkCHXIftOGuBvIGA5kYxL_NjGBIBeffDY4gdj_HEWy17UJG.S15.c5z3j.q2Z2CXS8CygXYclerlSbAA.6cJwjSlFWL1uP2DR1QoSvx1SsBekXLLZJyCUeQb1q9hYS_qj7i05KvlC3dcDsNMEL1qmn_pIt5PYG6wjjOxZnkXLHgheYdS6JJQ9_3T7DXuXSNThVC5Cxz7vgB2JL8TzrvgV5sfdAx2SBmfOczFeLS0eZnJWQw5SgKYOMLbQsByISpvWtNDBMcYh316LS_IPU11OPtCt1.8oXn6PoT6VHHWx3YPR8SKZ_OaTJQCM2cI05htVuf0Bc5gbWlTbKx0a6s0AQlhgXk.JtbSNmT0mK0nHI40E7p8RzSGtVEig5Z7NPde7Lbt1UWOcigjyp5JM6Zme05lRxHKHaSRoWqOOPw0yIseB1QWsTW79D2o9GQJD9mOPvFz.f9oqXH65O.Qd3lHAxlvyyOzZPcSSqLUZqKfn4_RPLVnWNboXqwrW.5Q.TF2Tp8tPuiy8qy.y1aGlTtGGARPV_fROImNsRGx9tRqboTBhWQm8Gi6aHJoIJEVU2z0vdVvBylWwHhc5kcnzPJ2d5ekHRp5w0Q1FpB6qKF9hRnVNEM.SBAVea1i7d_Gg7GFOtrvtRP10wR93GyPYybOHe74F2kv7uY1OROPuxKi_0IvFdcQrHffpOIXajWJTBJC8uOX2dyHAtZu4P7HbJfKNdnwgGC41yd4LupGkBBwjIebS3T64wVzkB9s_yKbVMxpmcRCaMozxxuV34cSp_V7agUzjd_82uj2BV1gBvcDWc9W5ZGcniDhIzfuPDjW3R9RXYkYncJMHkaFsb_Flh1w1vAcxac3ssNtuTCHXVZRNzEokJy9neotihzCiaHjfwCq_PXZPZFTmsWtWds3HAoBtIgfFNLfNZfXz1eW5GTWt5r2InF76TvOSOi8opqNgRLje2ch6hwdGW.URkTmuuMq2CACzhc6lSxw1sUzrv_PmbaKBCSKxTENQTyMYGVeBEZxH9uxVfdVFUXa5ixtt0UB0sh_pCAgsTeChb0m4ItGkYcTpRZ59DF7qKSAPGh3t5SwC7ILuWBymwQK87Uw8yqM"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910f7f924c0dc9a9';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\/8061493725?__cf_chl_rt_tk=2PwWw514248AaBlaHdAOu8.Apt48.r8mU7F0qbh8vKg-1739393922-1.0.1.1-swQ358QtLeWJ0PY3FHfs5hYi3oxA_h6NkDMgLr9d0NU" + 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