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-aff8zmbww.mit-edu.top/post/7294568013

  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-aff8zmbww.mit-edu.top",cType: 'managed',cRay: '90f3407dfafd0790',cH: 'o3vGpqkJ0lNJc1qC2OCoGYjZ8XyEuMEYl7HQ95LveYk-1739097737-1.2.1.1-ydaPIrneWaSIpUslBfKXpPpXy_85cD9mQPhANydO8wrsByDmWv98oa0HKMHhU5MA',cUPMDTk: "\/post\/7294568013?__cf_chl_tk=U2vqGJ9xnnPgc2GhsduER5ypzGPHW2kJf4gANP9xa2Q-1739097737-1.0.1.1-Nx5HiJwmU6VHEmNF3weXh2_q1zWp2YtLZKK.KijuDbg",cFPWv: 'g',cITimeS: '1739097737',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7294568013?__cf_chl_f_tk=U2vqGJ9xnnPgc2GhsduER5ypzGPHW2kJf4gANP9xa2Q-1739097737-1.0.1.1-Nx5HiJwmU6VHEmNF3weXh2_q1zWp2YtLZKK.KijuDbg",md: "SUeC8aCKDGFK0K7n9m39rNhKkMwsySGCCSQEp5TA5V0-1739097737-1.2.1.1-9umezpfPK15k1as9Vh_pwPCEB4XiKSlOQ7g5p4T_7W9SMjsBQ.bKjUyjCHuuqu5MzDAPp.Q76ZxucUAdNVJd2qZ5hseUiiCKzl8rq6id5ECUbp6BL4KTo2ZPODHzzRJ2IJErNR5n.U9JnYvMUYaNop3Epr6KyBDKrFTuuuRVw37ggMOVYjT48OK6umPfbtwlK18wgMLjnx9JnT3EvirSzE0Vh6SH5JhvTJ1PUJcObpy_opuX8RzPaY.U7yDAQ9mH0TU_HnJs0oD5ulJu2136UdUKANix96yLRhu7nvfYAlb9becswkXG4mfwT5wxdYqeAYqkN7D9izNxkDrcNYnCRddlzKhCzKpmM0ulPVSu8rv5YWGPjRuaeObNHDR0YJrOp7YANGmxKojKnaQUtwMRmZ_cqFQFf2zhPN0WLO_Jwq_EENWhu9qhn5C9Vh2n2hprXZxGztGhWjuLkzMbP0nP.4K84Bkhdu3H5VAlXJoUQUKM9GRBrB4G9MS7pO710xnQYr.bXnAbugjOg3Y_IJsjshW0gRWHtyqJ3UVq_438gDdfK643wdAy2jJkZ9KpN5PH6ysYVJce7mYRZ8LVlBBe0TNrp6m0deuk8obxaBes3V_fjwK.m2ohKAuPjW4nBhe10OQfXK4.Vcdm0hymcDW2eQM4YUVwSZhMpy7sIHiAc9TURqirGBsnw1mslT8SgGycdwJ18PF80E3a1jvbfGAREqtl_BVQviAu8AiODNCoMh3uAw5pRb7p6DAHDDSOFJxyvH4pYkWFfTon1GXcMWnNNimJSNziak_W1hLCOVAkjOJyNAOOus3gRYHbAk5wHOJww15OxA8QNHG9JWFnqHQacFK81jQvqUPtosiQyQajp02qGMtze4p.Lnq7UUJp7s9DKfh7AAjw.XYNNsfM9j0NSu9hOtBMeuUtIb7t6glGqHVqKt1yPSaSY4bgaJvI0OuaFVPZI5GBO1P0T1HSAFqgcxKKvomQ7TVVG0LwpxTOqRj7ReswfROmq6w3xFTfOerAGzwBlPUOgvybA7PMicbY3qiu9J8o7m7s9yvCw.NWr7HxFBXqi0H.3851nIlNri4LTlptDjDFLAVwikFOIJrlhvoJ4.82pMPl.d2ZaJlmIVqaWzMHFQUgmVUthMVcMSmt72L2EY.qHd9RwwNq.tRcw_tkRTGcWX0Y9QAH692rF48ccdP9iDChO__qOi4EvI3LiudadC3Zx_DP07eaK3SX1IH.NOjyI7l7i8RLlphn9h2Xr42J3mYMGt6ys79VIoRPHfH4kfMehGLlKTJW5d5.GXBl5FEKEsG0VP7yqzNYuLB755wT3MNccN53DbuJPiK6.9zyO57n5S7bRK5zY7IYVGmZCKbaqvHs9FUDR7C7hkksldnkhGmshdeyXYm1SW8B16rJ0WeQ5yiXEKeY9gTosf9QJyXyjJHeH4DVigbhxjXRvlmpm3oy6pkXwmDPNWnYQNNJ531Coty1npa5VfFIbzTvSV82czJPbl1rPbf5r_Fb07u1xLevGEuDIiyq1qzBbpqsH1EjQNsQmmIZQSX4JxSLHQscHuQhcWTJ5q3X4uRfvs8D.GnF3Ipt5yO5y1gt_SMWkQ_wlLU.B3e2C.7HQsngDORDwo2hLBVYyD0hJWjUkQ7bd4gGriOvqhPF5vthMT1ecBXEsuJjjRfkZmbvImLyp0qzUsuW_u9f6ySF2uLFtgChxS.ygjj2Hi8rc886j0CwsgHvCgCbZw53whlUzWTGR2IxL_un46xB9vk.PYvItB2sSTx4uILBv5CBpaHYFZgsf2E3e6HklDjP_IV.pf82.pElPV2ybB_WydKKF9M1_SMoKF5b0eFzGjhUM40eM89ZTcWsBaWdr7d3BN2iX87RyIBzXJqeQHH0.QtjlEf8RnMvwoLF6M1BCbRgFtYmtJ3kXzt238LxbJwxMjboUZ6QqfrBXr7O4_yrObCZysnHX1Qc6WdCLyLk8YVeN0PFQLb._B7kJFeE7JQfTWKSPrg.2H2aNWhcILLxlpvLiqSWoHYMEvzSAv2POFHtkixmWF94pfxw57IdQ2lbsSrlCjoQ060lzQhj3R_FzVKgDtxI_STTBOqwkVHOmHOSroL2qYrhdwQrTnw.KW30n_G7falTYuIrvUKJQ.th7s02aTuYhFhTKcVNv0J2JM934Ts4su7nHwZCcJ.1kacKHw5f3pB.UjRTHwSs619KxWRaa1uoR0QHdDr3GGGYam06p61.",mdrd: "WI1twLp.0u3Z1R5AFOHH8bhHNjVKiWaJxKCUBFWfjqQ-1739097737-1.2.1.1-0IxRbHrj_SBQSkn.50FjHb_9bc4wfPs3f7TZHEmlTcmB1EevHP2rA5B25iUdO04mo2V0UafSqZkxc996hMTptO8nnwvB4jK6tfsjEB94q.U5lguCXoX2qwxuDCfoAv9OwIVu7ZF9y3gwkMfVRFWy_S_1IQH9QLRTgnPatWghS0CiaiQq5B799W73eKq0y3PwsAyeOo_Ml4tYrp3NRFeI1VhEVj9nSS3.T2aSOSoh4pmfOLIfcpedicMwEXukGCSpgBc5U.hNeKk6mFpMz9jY.og4eketr4afVgcICfMx01i8K1idcheaSlMbbhgpwrTNfaLZzCKjermFxc3HDoSe6CdlIia70pZlBC1mMqD7dLdlxwt0ez2U3pzUpdaLFCCO0ZAi..oUsATjGMz.VA2yyt6n37y21hjpIjXVeaPiNkc3E0mldORV6D3ZVCCQKF3Pb5KMV2kEdpHZ9KfXL52QqBRq4R2.kWBqMaysmwO5mM1oZmnrt.mjOcw59zFPLP5zOUqDIJpX0AoX9ih7eAmLGaQVsbeijOwILfxpzIVyUosMHRaR_.JmUbWQFL_Rtv7N9YdYHDQm2iqkR5YBRNy.oJOOImPqjRfujiZn_drcgrOSPQg1sOs9BTg_kynAa5ACrck_q__mJZVrj25t_QUBheaaxwrjYn.QHEqktZg1BJzr0EALjwHvzLJ5H2bA5keC0x4TPz4Exs5eBQqshp_B9gkoWioRrtSXCxZAjJ5qva0um2Fn2HKoRFCDiyZdihLpFlY3Cz9KrlvRLcD_dev9i17xxC3e5QPGYeLbBrWctfqxufpr6lJLtqL37v5fOhh39aj8J.6A3PtWKdqkKCqI4duaSWviYqWr0dGYIxeulFm0GnsntqLAJOmTakVeEVkUvM2OU83OY1Y.ug_r8t20ZAiLvQE1V3S8_6AzTE76g7cG0_kr0DTQi93F2LrB.V5Q27Yy_3hrhLoPzboCI0Z.xKK8zdiQ_JWg09ZWQEtV_fJf6UKFetvA4SZj9fhlYvTg7f7hS7jnj_oQmFMYqc1OPSqgTGjEmnv0JhD78n.hom.ogyiRB7Cow14RkVzTMwn1987YRhFowpmqTqSB1wZ7g31hNtuURNIYpe4d3qZXA0Tk.jqk5pBKoMMEXNxz95YbenY1ZWzAJ6tVJFqjUQQxa2UysxOA7VFOTASk26iBX8Tvbgnf_rUIMPV4wxlOQjG5H4M7Gd8nivuz_K3xZUNNuAEyHiGaMRGn_bgWCeknrRF.PRBb4wwBpv6cj4xUZMHCssd1tavW6GP_87d..6NwpQIy5zyFHTCwAIj7sk4R8A8BcS4PK0BrjyH3wcB.ExYCFvBm9_nqu9DLzCqDFW0XIiYAH7oE4f5q4xDV9y6sGvhChfNU8BLbek50eEdKRG9.PtxGfzBviFztFJy4NE0M2uZyqA6__MpRns_rbL8wSFMm_xVydcK8kAWWd4.jrfG45t1OPoPMi_vScNvTNmSaGEGBvg.xRRpRajG3JdmHp0cKzy6Da3CqVpZQk3tMVYWp1nABT_SKKAji3p073Vb32W38sSwx3aGRfVi6bHG9yBw1HgHwjOj8deDDx2ZZBldMDn4DFqgQdUAxoNaqpuciqXRclW5zWLw64vgDkpNx2Tqu1feYqg39LJ6m2FZreUacUszT7QG13dpukoEgegtxfNnRL_KRDycZwXSacC12kLD8GIY.X6tsVp2YmYqE70I9K6mbtcQ5.PhTYHVx_Pdc59LjK2IS2APlw8DnC6LCX1y6YzR2S1YnLflHBzjXq_LHWs7wSZ19TcW5u3gx2Sj6UA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3407dfafd0790';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\/7294568013?__cf_chl_rt_tk=U2vqGJ9xnnPgc2GhsduER5ypzGPHW2kJf4gANP9xa2Q-1739097737-1.0.1.1-Nx5HiJwmU6VHEmNF3weXh2_q1zWp2YtLZKK.KijuDbg" + 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