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-aff8420h7.mit-edu.top/post/7289015346

  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-aff8420h7.mit-edu.top",cType: 'managed',cRay: '9106598bea9de623',cH: 'GiknP4ck4mSa5vdfk1BbMGne4KZ8H4oHfZg9EaWEWCU-1739297993-1.2.1.1-MtBkuapsitvGzEmW1Is82V6IiFF3kvAGZ_3549_nclped5oAWaTye0HzptkOvlWI',cUPMDTk: "\/post\/7289015346?__cf_chl_tk=vnyJETouODb4CYl1SYA4Qi.iM1_VLPBiPWN.El49wGk-1739297993-1.0.1.1-wkJSXl9jy9f_yCGvDb49Zt5oCR.SkX4k5h090Sho2H4",cFPWv: 'g',cITimeS: '1739297993',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7289015346?__cf_chl_f_tk=vnyJETouODb4CYl1SYA4Qi.iM1_VLPBiPWN.El49wGk-1739297993-1.0.1.1-wkJSXl9jy9f_yCGvDb49Zt5oCR.SkX4k5h090Sho2H4",md: "UTgZ0O5AMlNLNT88ZE148ItcD3zCPPmOl7ANul_c6SY-1739297993-1.2.1.1-DwfzaSez4C84_cMR.RdPxEZZI5UBfLxiOM3zDXTkcraSzSKIscjawekb3s_Ue41JFZksdKG1QyVHGaGOJioWA3XnlciUk0zWk_bP8jVIaPpvwKSb_unlrzYGQ1trwOu0tiDVA.ZJm59raSooBusm7x2XRiOd73f2Vl_5YqiwFZr.Wa57LFAWoH9emf9noeQRCkDaEsdt2xQ8pXY6Qzzp8lRX6Eh3XkcTG0SW.tlNIq3bgqjT0d4I6r0Tz5YOAuFS2aSUaSSwbgbmEpUA8dmuId1FT7uOX6IxJFeiVTyNo_qTZHTn_aaawf7eSfjZNoeBOsAhc.zL2Ob7Dz1HPq_CZNXGgIpUy4p__SuWPqHFfqDO5v_l49zu4g28mUknMDtPNHuHpYVIAGHTrmnBce_JygfMYnh3gA6I8k55WtK0d8wyAkZguyjUl6DnBGhdGW7HQjCXIezNFTt8u.Sn2X1Rd696oQDUVc8G9TviYU_ArixiauvFsbEP.BBulAyNrCGKzawbg_z6QQWLSd4YPCiKcIzz1aazu8wu7y1ZOSu1E1FyvH1VmV0yWzXUhbHBlJF_98gjf_t2j4gqJQjr_fJXL9e.1.UOKVblloJwINYyZ67GG2S6XyJFMBGPuMy.G3MECRaDkHOTeNbiQbbnSfIyCp5d1apHa01cKg_.fU9zSFRH1SLI7E1rhmwzn0j3dLgKkzAw69HdM991tIKpbNzm53no3W7gW7vTvkPy7xko9dTw775m.I9WBVcNv19NA6tadWJ1jdu9SjXnDvcwdfOAKddpmhbHvLJCucixs70OsO8uS18ylMkfMhd4TPSeJJGe4Mar0mZxW3YBjAFDcUCDphXK7SCOjziR45JE3kID1XzyPoaWiK8jWeLl1CimLQPpOWjDQoTKWV2NPp1bTiLGWpMZWc_1VxgjNqmTHzil6tY.kbmw_zvQ7ZA4cjDu0mgmp.Dfz0124vhfxPbQliAUG2P9mH9fYSfETU_LnkAlTwcSnazMj37c1AUG2Sguep.FDm1Ymj96sRoF7IVepQbOmXHSQJY1cKqwqCgkzZmN11gsEZC0kZ1vECnXKSKakV5Igl6pcFe43jHPIy55orxT0hL3QJE67esQf1fsmQ_aIqMMcUgfAb89p29VnZ.bF9K458Yf9o5OVjjj_qU3TDkVkw5OO1tHQCQR83ZNQD88_SdevWXBxkGqQmjYRyWgSm1KVfSZCAGjJiYt3W07w9_PZKN14u4WXxtQcJKG7yFEfyIBXuI3IyyRfZh82_rTyr.AGkq_Q2EWqwJ7tJDWH3_1lVlGSNYSRZkGrCU.2RertgWcTcfpx.R1qa9ujfZ6G05DBcL5HUIK_9fCvv7vamaESHJZ4X3Q5_5tvPU6hlTfLur7qEzJIel8grF.4vd692sz8jHD0g8Ge7VrpuhZqhuwqZR4b2o6jtTvQEOjPnfoccwbi1IPqCTBM.q2qHcyOpKAXqw95_fmTeuwhSH_g1k98zss4d_nnkMUeVfXl27SVS.pPbz37liJmvWlref60vpgd6HQv5ElBG.EOpEfYKomV4ZIwMj039I1aB7B75AymuUvllYZIjHHg32pCc9ZW48INLD2Voggfc1hb2A4lxrN9DkBveEk8j6R319E6u42_3Y9tv.MaYRJkJ9kS1y3LkQdCKm_AZn6l5dfu7rPtHBNgjWCsmU2866qe.YFCGRU9jV7a9aaQQCznofaOUPAiVPWR4LeFuR91uoNtLhGtsB_YubF__THxrAAGx2ZSPkMlQzS1vWVQUZYEARE2WM3W3oyiF3.Jz8pizoknFPGG74qvxTbJDDa2U8Y1_uubHdXeNpKQf6JzbIV.3_lMOsIAjzwPIKpQo_CDci6p.TjPEzpK0m9U8.GVBSMgqNpfvw4QbXM6pcOBfAHPNhif5B.Rb0fg4SJGtvG1LEZvm_ebK4x_gTU1BMTCbBKW9p3GWWhggHBuJ5liUZdHGyQ_1ylvKozWSpbVSdOPccwozSfwpR65qWQ.crs1m_rCBeDMfAzkomxVGPlRdAhOCR2paBgrMClEZgAlDrJUONJQc_230FinFhXI9mefzM8aCQXMQhhKcJzldG7k_2Vhw96nN01AulSgNZJ2KFGNRFbAbtPxXK1MQDsk9EoqNE0HievrzvYgfW7Dwxrvj8OhmRIVSwNQf9EK8KN9WSTahwgjUIUFKbYHn87_sJ_bm3OUaCFaWtclr203MLDHgNVMzlq80kAdHL4",mdrd: "XQyvqcgiJtCaJKw3KjRvf3A8qq4faqE_.S65RhzdLLU-1739297993-1.2.1.1-JK8CV1DU6O_qnhIR8c7ASSAHV2Jwn4JLZXzqMzpWjDeWB22BmkVjTjWnOgg49w8LxMpHkUVcxYTe4rZoJRDwUA_lDEe6Grbfx_.PNwAYMVlNfX2oNKZLxxUMBbRtB6pEUYOLwSBNXrUll05HOLaZZqhlgWUx2gpSgmp9HLtXNdU9PG1ODA47Brjt_k.pSvhXgXcqzfD0xnVV0czcaracfhb7a_e3VrpjocMYL13H3YjqgTYBH3k1MjT4aClEvmee9EfM.J9OmkT6Ns14qU2tf8pZTD9OhX7_X.6ft1PMbXGyCS08mQFB5GvWIrFDbX7f6q5ilAvcomLcOFOiPnbIXxt_rUwKQSpqO3KgUnNrlWYe4p_S1HQSPaYnva9w7mwtoxwY0Kzk4ZFh2_.idbbZs1zRIhDJQnXghA02xA.Xt_xZote2CNBBJHNy_6HqwwpC57U9Q3XOCyy42V7Omus8hacrVYCHgsnt0On5SPrdvMLGMkh.gcnO8.WvND4KnifvJo8yCvxoT.CyUmZLxzY8_RJsy3FijrDagx0a5ckOzNJHjHHbWTgwgk8lZ_BEzbMv6z9cbceVQL7L88n3ecG4Tds3IASR01QLwM56xD91DaxbxzIo35yYCt7VTKJS8jM95oKzs17fX2HTvODyjeBp90LkhVoo8_mhBTbQxNje02f1Td.z3k1mUYJRBmEEWWgyxYCfIZ8BRbJyczj9nPx6gaS1.ayy0i_J8q2Nlf5iEGSmEHQrjSOKAt07ySEk0PP3z.o8caDQBT2f0LKI5wh9YIjd4XYb5SVwmPcWabvXwKLoR.tDJI1n69wb9yh_Co_FwZp0G3_AnDn3n5AvMb92K1hf_mNIvJFOrGcgYnqzEFmaVvd4bUrMlWDsBQP3ooM26DfBO1c.tDAF8wiOVlc4mx5V7LWEAgLo0rntVQy_O5F.wKdyWoIplBYH8nHrBUoZaE_cG_M3eRI0ymJfDrV1sCeBjagcF6pCS3AYqcX7KffqsSHm5smAM9HKhbNvq9sw5qi8EEuRTP4wl5q91ee3vF.t7KviRHOa_wTQiNP62GNjwTGJJIGxMqiMXUlBRlwu2I7sL.oZmBON3LCBn1vVfS_qOdh2A00Aq4JSDaOYSSmKfU.wagJwrzEwtacUFQkhJ6bo60sQZ6lMCFzXubfQY8AEzJh97dVb69pdnap655rY86r6jspSWfGuhJ16Va9FOlZhZdsDj_zziHYSlZjfFw_c1hOXVPTRBHkInF6UnKCylGpV_XBV9rr9jVvphNvJOOtJPj4lrEftftl97bMKNDTyGI3zVoEJa9fqP.tXOceoz0hHxj3.69myN.7wp3lBsOcTm5ZICDFBuHZ7HfHeimDPdz1OcWI30HXNn8ppo9tt7vFiaf1GAd5jbGcn5OT8EhMW7oqEKLHapPxDEr7Jn9P78qyqdNM3NOnX3adHUA9WV7NMlAyXt3bKiSyGPmJ9nVgJ9e3KxBGaPGJa11eCrcqV4oiBAqnJevnAJKXd128IuZvfsFSdM2i6JeD_M5sYKEBKjwa3McIzh8L1q8xdcQteja.xIKo.DYW3BaNmn33jAYKLyzNGZYB_ujqpsmvZwZ6BD6rTP65WmUbNNC0bnyVFRsV6cmeViQ.38U2IkC.IlWQqhmSUbiMPFhW8c4rQiWKeRoXPtdmFQiw_g0hwLnLDh1te28QKtCFht6nBnl7Q8aqLNrW86.UscMJsy1RiUbpBTDl62avP4kneUQVD4ObhMU0TZZ3gI3eTO4oobPxdla4PndfjI7EBq4T.0NPr4syZpsf9M1zixG_XOWyCrg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9106598bea9de623';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\/7289015346?__cf_chl_rt_tk=vnyJETouODb4CYl1SYA4Qi.iM1_VLPBiPWN.El49wGk-1739297993-1.0.1.1-wkJSXl9jy9f_yCGvDb49Zt5oCR.SkX4k5h090Sho2H4" + 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