[GitHub] [incubator-pagespeed-ngx] wfjsw commented on issue #1697: prioritize_critical_css loads css twice

GitBox Thu, 16 Jul 2020 02:47:01 -0700


wfjsw commented on issue #1697:
URL: 
https://github.com/apache/incubator-pagespeed-ngx/issues/1697#issuecomment-659301893



   Negative. No cloudflare this time:
   
   ```
   root@localhost ~ # curl -vv --insecure --resolve 
"winterco.org:443:127.0.0.1" https://winterco.org
   * Expire in 0 ms for 6 (transfer 0x55d944151f50)
   * Added winterco.org:443:127.0.0.1 to DNS cache
   * Hostname winterco.org was found in DNS cache
   *   Trying 127.0.0.1...
   * TCP_NODELAY set
   * Expire in 200 ms for 4 (transfer 0x55d944151f50)
   * Connected to winterco.org (127.0.0.1) port 443 (#0)
   ...(garbage)...
   > GET / HTTP/2
   > Host: winterco.org
   > User-Agent: curl/7.64.0
   > Accept: */*
   >
   * TLSv1.3 (IN), TLS handshake, Newsession Ticket (4):
   * TLSv1.3 (IN), TLS handshake, Newsession Ticket (4):
   * old SSL session ID is stale, removing
   * Connection state changed (MAX_CONCURRENT_STREAMS == 128)!
   < HTTP/2 200
   < server: nginx
   < date: Thu, 16 Jul 2020 09:40:51 GMT
   < content-type: text/html; charset=UTF-8
   < cache-control: max-age=3600, must-revalidate
   < vary: Accept-Encoding, Cookie
   < hummingbird-cache: Served
   < x-content-type-options: nosniff
   < x-xss-protection: 1; mode=block;
   < x-powered-by: ASP.NET
   < x-aspnet-version: 2.0.50727
   < x-aspnetmvc-version: 2.0
   < x-recruiting: Like hacking? Join us: winterco.org/careers
   < x-page-speed: 1.13.35.2-0
   < link: </wp-content/themes/creativeily-winterco-mod/style.css?ver=5.4.2>; 
rel=preload; as=style; nopush
   < link: </wp-content/uploads/bws-custom-code/bws-custom-code.css?ver=5.4.2>; 
rel=preload; as=style; nopush
   < link: 
</wp-content/themes/creativeily-winterco-mod/assets/js/creativeily.js?ver=5.4.2>;
 rel=preload; as=script; nopush
   < link: 
</wp-content/themes/creativeily-winterco-mod/assets/js/accessibility.js?ver=5.4.2>;
 rel=preload; as=script; nopush
   < link: </wp-includes/js/wp-embed.min.js?ver=5.4.2>; rel=preload; as=script; 
nopush
   <
   <!DOCTYPE html>
   <html lang="zh-CN" class="no-js no-svg">
   <head>
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1">
   <link rel="profile" href="http://gmpg.org/xfn/11";>
   <title>凛冬华人联盟 &#8211; Winter Coalition</title>
   <link rel='dns-prefetch' href='//www.googletagmanager.com'/>
   <link rel='dns-prefetch' href='//fonts.googleapis.com'/>
   <link rel='dns-prefetch' href='//cdn.jsdelivr.net'/>
   <link rel='dns-prefetch' href='//recaptcha.net'/>
   <link rel='dns-prefetch' href='//fonts.gstatic.com'/>
   <link rel='dns-prefetch' href='//ajax.googleapis.com'/>
   <link rel='dns-prefetch' href='//google-analytics.com'/>
   <link rel='dns-prefetch' href='//www.google-analytics.com'/>
   <link rel='dns-prefetch' href='//ssl.google-analytics.com'/>
   <link rel="alternate" type="application/rss+xml" title="凛冬华人联盟 &raquo; Feed" 
href="https://winterco.org/feed/"/>
   <link rel="alternate" type="application/rss+xml" title="凛冬华人联盟 &raquo; 
评论Feed" href="https://winterco.org/comments/feed/"/>
   <link rel='stylesheet' id='wp-block-library-css' 
href='https://cdn.jsdelivr.net/gh/WordPress/WordPress@5.4.2/wp-includes/css/dist/block-library/style.min.css?ver=5.4.2'
 type='text/css' media='all'/>
   <link rel='stylesheet' id='comment_styles-css' 
href='https://cdn.jsdelivr.net/wp/plugins/wp-discourse/tags/2.0.6/lib/../css/comments.min.css?ver=1594583367'
 type='text/css' media='all'/>
   <link rel='stylesheet' id='creativeily-google-fonts-css' 
href='https://fonts.googleapis.com/css2?family=Roboto%3Aital%2Cwght%400%2C400%3B0%2C500%3B0%2C700%3B0%2C900%3B1%2C400%3B1%2C500&#038;display=swap&#038;ver=5.4.2'
 type='text/css' media='all'/>
   <link rel='stylesheet' id='dashicons-css' 
href='https://cdn.jsdelivr.net/gh/WordPress/WordPress@5.4.2/wp-includes/css/dashicons.min.css?ver=5.4.2'
 type='text/css' media='all'/>
   <link rel='stylesheet' id='creativeily-style-css' 
href='https://winterco.org/wp-content/themes/creativeily-winterco-mod/style.css?ver=5.4.2'
 type='text/css' media='all'/>
   <link rel='stylesheet' id='bws-custom-style-css' 
href='https://winterco.org/wp-content/uploads/bws-custom-code/bws-custom-code.css?ver=5.4.2'
 type='text/css' media='all'/>
   <script type='text/javascript' 
src='https://cdn.jsdelivr.net/gh/WordPress/WordPress@5.4.2/wp-includes/js/jquery/jquery.js?ver=1.12.4-wp'></script>
   <script type='text/javascript' 
src='https://cdn.jsdelivr.net/gh/WordPress/WordPress@5.4.2/wp-includes/js/jquery/jquery-migrate.min.js?ver=1.4.1'></script>
   <script type='text/javascript' 
src='https://winterco.org/wp-content/themes/creativeily-winterco-mod/assets/js/creativeily.js?ver=5.4.2'></script>
   <script type='text/javascript' 
src='https://winterco.org/wp-content/themes/creativeily-winterco-mod/assets/js/accessibility.js?ver=5.4.2'></script>
   <script type='text/javascript' 
src='https://www.googletagmanager.com/gtag/js?id=UA-144673995-3'></script>
   <script 
type='text/javascript'>window.dataLayer=window.dataLayer||[];function 
gtag(){dataLayer.push(arguments);}gtag('js',new 
Date());gtag('config','UA-144673995-3',{"anonymize_ip":true});</script>
   <link rel='https://api.w.org/' href='https://winterco.org/wp-json/'/>
   <link rel="EditURI" type="application/rsd+xml" title="RSD" 
href="https://winterco.org/xmlrpc.php?rsd"/>
   <link rel="wlwmanifest" type="application/wlwmanifest+xml" 
href="https://winterco.org/wp-includes/wlwmanifest.xml"/>
   <meta name="generator" content="WordPress 5.4.2"/>
   <meta name="generator" content="Site Kit by Google 1.11.1"/> <style 
type="text/css" 
id="custom-theme-css">body{font-style:normal;font-weight:400;padding:0;margin:0;position:relative;-webkit-tap-highlight-color:transparent;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-text-size-adjust:100%}#start{background-color:#f3f3f3}.header{position:relative;overflow:visible;display:-webkit-flex;-webkit-flex-wrap:wrap;justify-content:center;align-items:-webkit-flex-start;align-content:-webkit-flex-start;height:700px;height:100vh;max-height:100%;min-height:200px;min-width:300px;color:#eee}.image-creativeily-header{width:100%;height:100%;position:fixed;top:0;left:0;-webkit-backface-visibility:hidden;backface-visibility:hidden;-webkit-transform:translateZ(0)
 
scale(1.0,1.0);transform:translateZ(0);-ms-transform:translateZ(0);background:;background-size:cover;background-attachment:scroll;-webkit-animation:grow
 60s linear 10ms infinite;animation:grow 60s linear 10ms 
infinite;-webkit-transition:all .2s ease-in-out;transition:all .2s 
ease-in-out;z-index:-2}</style>
   <style type="text/css">.has-sidebar #secondary{background: }.has-sidebar 
#secondary h2,.has-sidebar #secondary th{color: }.has-sidebar #secondary 
.widget,.has-sidebar #secondary li,.has-sidebar #secondary ul,.has-sidebar 
#secondary span,.has-sidebar #secondary div{color: }.has-sidebar #secondary 
button.search-submit{background: ;color:#fff}.has-sidebar #secondary a{color: 
}.has-sidebar #secondary *,.has-sidebar #secondary .widget h2{border-color: 
}.blog .wrapmain article{background: }.blog .wrapmain article h2,.blog 
.wrapmain article h2 a{color: }.postinfo,.postinfo *{color: }.blog .wrapmain 
article .entry-content p{color: }a.button.button-readmore{background: 
}a.button.button-readmore{color: }.wrapmain .search-submit{background: 
}.wrapmain .search-submit{color: }footer{background: }.site-info{color: 
}</style>
   <style type="text/css">.image-creativeily-header{background:#222 
url(https://winterco.org/wp-content/uploads/2020/07/2020.07.13.12.22.2-optimized.jpg)
 center center no-repeat}.header .info h1,.header .meta 
p{color:#fff}https://winterco.org/wp-content/uploads/2020/07/2020.07.13.12.22.2-optimized.jpg";
                                   .header .info h1, .header .meta p 
{color:#fff}</style>
   <link rel="icon" 
href="https://winterco.org/wp-content/uploads/2020/07/cropped-11355daf357ecd7cd74ad2c64b3de3e4b15ba35c-32x32.png";
 sizes="32x32"/>
   <link rel="icon" 
href="https://winterco.org/wp-content/uploads/2020/07/cropped-11355daf357ecd7cd74ad2c64b3de3e4b15ba35c-192x192.png";
 sizes="192x192"/>
   <link rel="apple-touch-icon" 
href="https://winterco.org/wp-content/uploads/2020/07/cropped-11355daf357ecd7cd74ad2c64b3de3e4b15ba35c-180x180.png"/>
   <meta name="msapplication-TileImage" 
content="https://winterco.org/wp-content/uploads/2020/07/cropped-11355daf357ecd7cd74ad2c64b3de3e4b15ba35c-270x270.png"/>
   <style type="text/css" id="wp-custom-css">@media screen and 
(min-width:1280px){.info{width:50%;right:3%;left:auto}}.info{text-shadow:2px 
2px 5px black}.custom-logo{width:60px}.header .meta 
p{font-size:30px}.image-creativeily-header{background-position:23% 
center}@media screen and (max-width:1280px){.header .info 
h1{font-size:40px}.header .meta 
p{font-size:24px}}.site-info{font-size:12px;font-weight:300}</style>
   </head>
   <body class="home blog wp-custom-logo">
   <a class="skip-link screen-reader-text" href="#content">Skip to content</a>
   <div id="page" class="site has-sidebar">
   <div class="header">
   <div class="image-creativeily-header"></div>
   <div class="header-top">
   <a href="https://winterco.org/"; class="custom-logo-link" rel="home"><img 
width="120" height="120" 
src="https://winterco.org/wp-content/uploads/2020/07/dc93e8bf55b0efd7a0b6c74c4f62a426e98fd5e3.png";
 class="custom-logo" alt="凛冬华人联盟" 
srcset="https://winterco.org/wp-content/uploads/2020/07/dc93e8bf55b0efd7a0b6c74c4f62a426e98fd5e3.png
 120w, 
https://winterco.org/wp-content/uploads/2020/07/dc93e8bf55b0efd7a0b6c74c4f62a426e98fd5e3-100x100.png
 100w" sizes="(max-width: 120px) 100vw, 120px"/></a>
   </div>
   <div class="info">
   ...(garbage)...
   </div>
   </div>
   <script type='text/javascript'>var 
wpdc={"commentsURL":"https:\/\/winterco.org\/wp-json\/wp-discourse\/v1\/discourse-comments"};</script>
   <script type='text/javascript' 
src='https://cdn.jsdelivr.net/gh/discourse/wp-discourse@1.8.7/js/load-comments.min.js?ver=1594583367'></script>
   <script type='text/javascript' 
src='https://winterco.org/wp-includes/js/wp-embed.min.js?ver=5.4.2'></script>
   <noscript class="psa_add_styles"><link rel='stylesheet' 
id='wp-block-library-css' 
href='https://cdn.jsdelivr.net/gh/WordPress/WordPress@5.4.2/wp-includes/css/dist/block-library/style.min.css?ver=5.4.2'
 type='text/css' media='all'/><link rel='stylesheet' id='comment_styles-css' 
href='https://cdn.jsdelivr.net/wp/plugins/wp-discourse/tags/2.0.6/lib/../css/comments.min.css?ver=1594583367'
 type='text/css' media='all'/><link rel='stylesheet' 
id='creativeily-google-fonts-css' 
href='https://fonts.googleapis.com/css2?family=Roboto%3Aital%2Cwght%400%2C400%3B0%2C500%3B0%2C700%3B0%2C900%3B1%2C400%3B1%2C500&#038;display=swap&#038;ver=5.4.2'
 type='text/css' media='all'/><link rel='stylesheet' id='dashicons-css' 
href='https://cdn.jsdelivr.net/gh/WordPress/WordPress@5.4.2/wp-includes/css/dashicons.min.css?ver=5.4.2'
 type='text/css' media='all'/><link rel='stylesheet' id='creativeily-style-css' 
href='https://winterco.org/wp-content/themes/creativeily-winterco-mod/style.css?ver=5.4.2'
 type='text/css' media='all'/><link rel='stylesheet' id='bws-custom-style-css' 
href='https://winterco.org/wp-content/uploads/bws-custom-code/bws-custom-code.css?ver=5.4.2'
 type='text/css' media='all'/><style type="text/css" 
id="custom-theme-css">body{font-style:normal;font-weight:400;padding:0;margin:0;position:relative;-webkit-tap-highlight-color:transparent;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-text-size-adjust:100%}#start{background-color:#f3f3f3}.header{position:relative;overflow:visible;display:-webkit-flex;-webkit-flex-wrap:wrap;justify-content:center;align-items:-webkit-flex-start;align-content:-webkit-flex-start;height:700px;height:100vh;max-height:100%;min-height:200px;min-width:300px;color:#eee}#top-menu
 li:after{content:"";display:block;margin:0 
auto;width:30px;margin-bottom:.7em;margin-top:.7em}.image-creativeily-header{width:100%;height:100%;position:fixed;top:0;left:0;-webkit-backface-visibility:hidden;backface-visibility:hidden;-webkit-transform:translateZ(0)
 
scale(1.0,1.0);transform:translateZ(0);-ms-transform:translateZ(0);background:;background-size:cover;background-attachment:scroll;-webkit-animation:grow
 60s linear 10ms infinite;animation:grow 60s linear 10ms 
infinite;-webkit-transition:all .2s ease-in-out;transition:all .2s 
ease-in-out;z-index:-2}</style><style type="text/css">.header 
a.logo,.logo:hover{color: }.has-sidebar #secondary{background: }.has-sidebar 
#secondary h2,.has-sidebar #secondary h1,.has-sidebar #secondary 
h3,.has-sidebar #secondary h4,.has-sidebar #secondary h5,.has-sidebar 
#secondary h6,.has-sidebar #secondary th{color: }.has-sidebar #secondary 
p,.has-sidebar #secondary .widget,.has-sidebar #secondary li,.has-sidebar 
#secondary ol,.has-sidebar #secondary ul,.has-sidebar #secondary 
dd,.has-sidebar #secondary span,.has-sidebar #secondary div{color: 
}.has-sidebar #secondary button.search-submit{background: 
;color:#fff}.has-sidebar #secondary a{color: }.has-sidebar #secondary 
*,.has-sidebar #secondary .widget h2{border-color: }.blog .wrapmain 
article,.archive .wrapmain article,.search-results .wrapmain 
article{background: }.blog .wrapmain article h2,.archive .wrapmain article 
h2,.search-results .wrapmain article h2,.blog .wrapmain article h2 a,.archive 
.wrapmain article h2 a,.search-results .wrapmain article h2 a{color: 
}.postinfo,.postinfo *{color: }.blog .wrapmain article .entry-content 
p,.archive .wrapmain article .entry-content p,.search-results .wrapmain article 
.entry-content p{color: }a.button.button-readmore{background: 
}a.button.button-readmore{color: }.error404 .content-area,.search-no-results 
.content-area,.single .wrapmain article,.page .wrapmain 
article,#commentform{background: }#commentform 
label,h3#reply-title,h2.comments-title,.page .wrapmain article h1,.page 
.wrapmain article h2,.page .wrapmain article h3,.page .wrapmain article 
h4,.page .wrapmain article h5,.page .wrapmain article h6,.page .wrapmain 
article th,.single .wrapmain article h1,.single .wrapmain article h2,.single 
.wrapmain article h3,.single .wrapmain article h4,.single .wrapmain article 
h5,.single .wrapmain article h6,.single .wrapmain article th{color: }.error404 
.content-area p,.search-no-results .content-area p,.single .wrapmain 
article,.single .wrapmain article p,.single .wrapmain article dd,.single 
.wrapmain article li,.single .wrapmain article ul,.single .wrapmain article 
ol,.single .wrapmain article address,.single .wrapmain article table,.single 
.wrapmain article th,.single .wrapmain article td,.single .wrapmain article 
blockquote,.single .wrapmain article span,.single .wrapmain article div .page 
.wrapmain article,.page .wrapmain article p,.page .wrapmain article dd,.page 
.wrapmain article li,.page .wrapmain article ul,.page .wrapmain article 
ol,.page .wrapmain article address,.page .wrapmain article table,.page 
.wrapmain article th,.page .wrapmain article td,.page .wrapmain article 
blockquote,.page .wrapmain article span,.page .wrapmain article div{color: 
}.single .wrapmain article a,.page .wrapmain article a{color: }.wrapmain 
.search-submit,.page .wrapmain article a.button,.single .wrapmain article 
a.button,.nav-links span.button,form#commentform input#submit{background: 
}.wrapmain .search-submit,.nav-links span.button,form#commentform 
input#submit{color: }.page .wrapmain article td,.single .wrapmain article 
td,.page .wrapmain article th,.single .wrapmain article th,.single .wrapmain 
article *,.page .wrapmain article *{border-color: }.footer-column-three 
h3{color: }footer{background: }.footer-column-wrapper .widget a{color: 
}.footer-column-wrapper .widget *{border-color: }.footer-column-wrapper .widget 
.search-submit{background: }.footer-column-wrapper .widget 
.search-submit{color: }.site-info,.site-info *,.footer-column-wrapper 
.widget,.footer-column-wrapper .widget li,.footer-column-wrapper .widget 
p,.footer-column-wrapper abbr,.footer-column-wrapper 
cite,.footer-column-wrapper table caption,.footer-column-wrapper 
td,.footer-column-wrapper th{color: }</style><style 
type="text/css">.image-creativeily-header{background:#222 
url(https://winterco.org/wp-content/uploads/2020/07/2020.07.13.12.22.2-optimized.jpg)
 center center no-repeat}.header .info h1,.header .meta 
p{color:#fff}https://winterco.org/wp-content/uploads/2020/07/2020.07.13.12.22.2-optimized.jpg";
                                   .header .info h1, .header .meta p 
{color:#fff}</style><style type="text/css" id="wp-custom-css">@media screen and 
(min-width:1280px){.info{width:50%;right:3%;left:auto}}.info{text-shadow:2px 
2px 5px black}.custom-logo{width:60px}.header .meta 
p{font-size:30px}.image-creativeily-header{background-position:23% 
center}@media screen and (max-width:1280px){.header .info 
h1{font-size:40px}.header .meta p{font-size:24px}}.site-info,.site-info 
*{font-size:12px;font-weight:300}</style></noscript><script 
data-pagespeed-no-defer>(function(){function b(){var 
a=window,c=e;if(a.addEventListener)a.addEventListener("load",c,!1);else 
if(a.attachEvent)a.attachEvent("onload",c);else{var 
d=a.onload;a.onload=function(){c.call(this);d&&d.call(this)}}};var 
f=!1;function e(){if(!f){f=!0;for(var 
a=document.getElementsByClassName("psa_add_styles"),c=0,d;d=a[c];++c)if("NOSCRIPT"==d.nodeName){var
 
k=document.createElement("div");k.innerHTML=d.textContent;document.body.appendChild(k)}}}function
 g(){var 
a=window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||window.oRequestAnimationFrame||window.msRequestAnimationFrame||null;a?a(function(){window.setTimeout(e,0)}):b()}
   var h=["pagespeed","CriticalCssLoader","Run"],l=this;h[0]in 
l||!l.execScript||l.execScript("var "+h[0]);for(var 
m;h.length&&(m=h.shift());)h.length||void 
0===g?l[m]?l=l[m]:l=l[m]={}:l[m]=g;})();
   pagespeed.CriticalCssLoader.Run();</script></body>
   </html>
   * Connection #0 to host winterco.org left intact
   ```
   
   The Cache-Control on the header is likely provided by Hummingbird, a plugin 
of WordPress and it does not interfere with PageSpeed.
   
   These `Link` header are provided by `hint_preload_subresources` I believe.


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[GitHub] [incubator-pagespeed-ngx] wfjsw commented on issue #1697: prioritize_critical_css loads css twice

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