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-725440864921.mit-edu.top/post/7249306851

  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-725440864921.mit-edu.top",cType: 'managed',cRay: '9110c8674eb91776',cH: 'yR_dMVDuLGhibp0lqVqKlJEQlfdI90mVPrrmQIE9D9U-1739407391-1.2.1.1-pO9vNRLRr4ViBdkWwzo_Zw1Aqbw9.nkRIDPnHJmyU9Cd9b98a58OWlU6qj9MIX.r',cUPMDTk: "\/post\/7249306851?__cf_chl_tk=V8I1GR08jlmR1ewUIXttaxEBa7kLsEYXSwmGRUnnYtw-1739407391-1.0.1.1-cnL2JK8Jx0_mDtn28voOUHtONTH8G5y3GY7ztgF5QK0",cFPWv: 'b',cITimeS: '1739407391',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7249306851?__cf_chl_f_tk=V8I1GR08jlmR1ewUIXttaxEBa7kLsEYXSwmGRUnnYtw-1739407391-1.0.1.1-cnL2JK8Jx0_mDtn28voOUHtONTH8G5y3GY7ztgF5QK0",md: "L4EKhc5ovXpU.tuJ7gFA8CzEbHmjwV0.XYzmnT8X5gE-1739407391-1.2.1.1-hQixCfi0bbB.w19vp8TXPP3bZRv163oezwFuv33iPL_zNRoSEQMiV7Q7u3DmL2p0HnKheKjtmvLymliE3HsmIdMhICAdLav64K5Ha4JF58QZWvc_vPGZMLcmLegoB0nCej97DNCG5nAapAW2fOScuxkJPZR26qQ.jfx9XnWA6YnQT13rkuVkQsvCEUW7S91OcpFk.AlMG1Z0.EwFQ6Q4wk1t12Vv5Rtgp6QQem0nynOMEX77asWijb01hw9LhIN1MGGmk0Ldo2p6S6EJ08eb_b7FlZz2qBVnnGbeKLlnvtVpugvRJ0So.bD.c.cMhMx0B_iA_67CpqLbCDS3TB8ihhi_FVHt0vnn9en0MyGjn5Tr5FI2Wi.7Hx0lIl7UInUrjO97PwKHJGgMElMLYiCA8ID75HYJJEu47aUZRZRxRIxNayXzwmDp7bTN_.jOYyAWMWrv1TNmuphV6jeI7Z5a7kW8sTQQzSnCl2JYsrhD9Ne0EHXO.V1.nJkTXaRxgghecjWTz3Q_oHj7xWQdIbwLRESJgOoM9j2HIUhr42p._kcgvPBLBdJ83VZ6Hyyg0HMLboHk95dntclzlNmJSgA5GB1CijQV8hZ_D473Nkyy9cjrOhzWjqrmQ2.E1Z1nEDzf.dSiaMdd0z45LtD2PtHLJC38vw8JHqoFN7EgPDo3x9iRMOSj3EeQmNpG.YYqnnrQS4eqdDZzkMovBgjJIYj4lYgzNY6izG0y0Zg46nD281UubRUktQoRzg8mE3l1O2W286JYVmIkDI98BQzwMqes_BbpdqjO6Mbk_VdIkeyh7eFU6SxCMo4oHgjuYwzOL5CPMuHcGE1yl7u4M4YdpVpB6SinBpf1HKdjh7MUyp1cVZx4NeIDSCXZmd.8KlJkF5dr_HV6kjI9Kr.C8xeI4NMWu24pQpz5sjXLW3TR4MLd2UK9bF8P0Wime3THsDFZ5uAwzZfK1JYuW9446uOZIjx389kS1qItw9O1HMlA2n8xuvA82zbq04Rzl3_sKwlzmH2W8A6.f1bEYMcka0tHF3eNSZcYz7bhkAhCwxFsa3UcOBBshb8YJcogLwxuMC_1LK4lDXWpQ5lhSr2FGi1Ifto0TY.iLETNNvr8yTSb8rORZQvTuV7V1V8m9XxYdc.FPoPVZAuxj0pTO0ury6nn8MvMBFK0HYtP7eJXMdnJxO6nEpLwoHk14pL_1XFO8xT9ZGTe0L7dw7BM4Bi_2FQzv0Uy8TJsu0b_1pkvzqEUEjlr7ROb.XqXBLwl3.XslCWW87RZnUr8HKpJ.SImxErBzak8JGUOiuTqLmPJbZxIrBZPGvWRWpiSlDm1aC8XRab0V6vrTRquhq2wnBNHaapcxOCJ7GOVkxvc_TuBtSC4IDet3.yAoi257ZeQSkuGVCAgxqmFXGllUtdNIa04ZRdLlz2keVzMCSO_bh9ieMqxUAKlzBy3EUuhGPZWqczLy0s4rTDfus2XBFCvjJBdmmZMLQrNwxQ2HSm_mYO3Mm0R8fJ9UL.dJRoMUWtvKpgv.RXtO_gQyjATRpEKmDrlNcPjAdqmaU4B4S1cxL86SntxWEFf_pNcqx.MqKI6xefRekjAHV36UDHZsxXoGe.EebIXhTgdnGzTujSeH2mY.1XJSWb.3H7faqDcMFRRC70hf8QqoymrMnpFEnaubL_I4HFl0HflyWUHFICuD.Hf55Kkuhplfa4IXuF7PUOdviwwouS0KRUjaZ7Zg5k7YDmRLI2xEGrQVbqXl1VM9pJO7xCtvoTsz0hN5DO8fpCuNGhIFgUHcLFP0zIqQOLAdYBA2Q8tOoiA0WDps7sHgrx5LpfdUM.w8bokc41m70YuXrRDIU70Mc7fLufTCCTNhgU9St6nQiPz0Cifj9_9oiDKLPmkPg3L4.6wL9YQBPTDHXY0Cmtq3ZFcEsn8cPq4q_DTtNlmkQg9H23IB7dCe3dvgTQ7k0hAo18jzIQRIUH0N4WB4tvARQUogmX6sCrWocjiT61c2Q0nY4Dn8ocPxXhckXDooEcZGGDJEU3JicSXfHWD3JWu9V.k6B67fEBKntexWl26bLxhUR6fI5S9sJPKeFSt.MCABS81E7iV3MIcuZzDoq.1DIFmkBGVvnrksKatl7274yjOcdoOukQWMmC58wRFcn5eUeE31YddDrki6k4_FiNEqbxnjBd4dc4.ygmor5E4hRvGByJjbZNtRYxr_E5OlsbU5GOv7SyQcSu2grEOC7em5yk3",mdrd: "SstvRFj9odVvgad35W4krlkAxxUO04i0nlvVt4nvIGw-1739407391-1.2.1.1-5GT_ObIAIdobjv1DZt.wVvkJ0jiVFJlHAQOYfSxFOP9oNKcRSexjKxi.I6dwtCQ472dskg.MPXFCmk5CUnUEyXy2oR7W_yw.jxSGsNmBQIW8N__IB0j53jAc0m04Ug1XoUnkU9nC.UvubhJguP2RotLnJym92jvbNh94KwuKG5sc5P1Q6UVSzVlNbP8utc8oRj6LZ612OkQzs4kxVzf1xE4E0jUYRzFY9VYl53VqpHQjRkIvgCaTuPvtW1wFK5j4kwvla1FVoakd1WUdAoVhrukFySf.l1oB.nhMA8R_ehAXYwYuf6YNQ5_wwiXFmifG1h7DnYRudVKkXFNNwsI0ErAPf3hBNctdGKK7AeGF1qarn4RUG6CD.HQJYAmRd45Xm56ipHDD8CyENwCrYod1p2hoxv4xJ_YsZko38BBw8q1AKlk.KPaETairx7V51NDFYbCdjhUCKL9n3tCsbLB.Zric70fdN2QDbGxUWZ9Ejrvn5xsYhPVxT6vEO3YCEImfj3.tQ7_xVCb.VM0wrNDQ3pvoGt_0Xhir0E8WJwCIKFYKgebf58TbGTzim0PFqQUOPbhxhG3Xnwu9hlqQAZ7oI343JBpLMQmFOpbGqDWHWGjK3PnVBBT9.AIfuK8geAV1oaLvYP.nhhpAHs.bdi6aU3wuaArLMKjplljNBgPTKJ0wcLPQN5S5ESlVwiKIngEwJOBzOkGPC917Fr.l.2P8QkyaoZ.anEv2AT2jXv1JHSPEVY9Lrg3L4M4tg9EO1eszT.xwTTIh0XHGJhKioUVal6461M0DE59QUC7GPJbmc.Q.w5p5oLGA0c9FNOT9u2hOW.oZY9ho705PuEIrfuhdJ4u.g.H.I9tKDn5bAhAxISfwiYWzQ63o0T3aYJAnP_0RUGRK7FuZBnr4fbJTMyQ.4NDUgh.wSEdJNxWbWQc2YgTfJZruEIiUPlF97wP7c6i4vqnZ.8W1kEZpv.n6FKzmD2ZFWWIwbzmFWnadGtevyAiPUXGSp6H2mAJ43ZnjWRrxdwZct6vSGDixbdP.nYJnl3Vdi35vMBmuoI9X7GWqOvEKq6PQ.Cnp.r..Vg5ognz.CqXlsQ_53WXZutDwO.DYbLJ7f50jwplQVsx5oIWfyC16fhWQxegsFgMjSryMiXwd_C8WFACKmuCTuseYP_SxM9YuclL.Nf_SHVk74T2oAznd4PB73EWTougY2ZS.ySxELpCcRl0yi3EcmUIlry4KJznbX.lktGzwOiAd0eYa7JfgYqSnNGRAnRZu5BCo4Nl2dq7B6KoA1rFWapwSa_xs.kcGihrz44upvtncH6yN_7a2PCYBOzwXtvP_oGa4JWXJBYoZ2u_35EQbZwL1ejRUrGlGfWAAngNyLwYGaNA38_ZOCxMj_pQUkVsub2whSv9Bn.VL6y1Iscpy4Nq0FdyAwNq7LcganG7AettnsXjt9S1vMwO4aOf2pwUkorV9TTfBQbVjCB9HgJEo_IdmRPeeMextrN2o8irV1KHjbNqCQewP2bVzKwKHIDqg854E1mEsHKXAMtDUV_zEOyA7F1cRTBKVoCK3tIx0JX8aYpB6qxn_NbX5FDo9jQvNVHLIxTsyWNMd9NyX9Q2ZH2kNBNGtVbzFQpXDDUTMc6mlY4afKhttcgvbU8rIpISmlE4PeoMEko2qWRMlrSgxhEvqwM3AvDGx7KN1EmgLyQXBwxLhBk6dIiN14FjUujVNiAJBjZ4nZLTGx9.xaIk2Oi_utPCvIs.LRyjW69jp0gMlZkTgwffwuf1.Fhrf_99Wkcmz2TEUbEShrynFUf66M7z_OrEgp0Z1MECZ9Pf7n8o50NxEJ3ppR11r.1a3fML1WIfpAp0Z"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110c8674eb91776';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\/7249306851?__cf_chl_rt_tk=V8I1GR08jlmR1ewUIXttaxEBa7kLsEYXSwmGRUnnYtw-1739407391-1.0.1.1-cnL2JK8Jx0_mDtn28voOUHtONTH8G5y3GY7ztgF5QK0" + 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