Zbgb.org Site Title
ZBGB国家标准行业标准信息服务网–免费标准下载网
Zbgb.org Meta Description
ZBGB标准下载网国家标准行业标准信息服务网提供近百万条标准信息的免费分享和公告下载,快速查询最全面的国外标准德国DIN标准,日本JIS标准,EN标准,ANSI标准,国际电工IEEE标准,ISO标准,ASME标准,SAE标准,美国UL标准等
Zbgb.org Test Results
zbgb.org Mobile Usability: 100/100
zbgb.org Mobile Speed: 55/100
Quick overview:
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 9 blocking script resources and 4 blocking CSS resources. This causes a delay in rendering your page.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.
http://www.zbgb.org/js/jquery.js
...
Optimize CSS Delivery of the following:
http://www.zbgb.org/js/css.css
...
Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
http://m.zbgb.org/static/_assets/css/book.css (expiration not specified)
...
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 92.5KiB (81% reduction).
Compressing http://www.zbgb.org/images/banner.jpg could save 71.5KiB (78% reduction).
...
Prioritize visible content
Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.
The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.
Only about 14% of the final above-the-fold content could be rendered with the full HTML response .
Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 62.8KiB (83% reduction).
Compressing http://m.zbgb.org/index.html could save 55.8KiB (86% reduction).
...
Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 40.1KiB (41% reduction).
Minifying http://m.zbgb.org/static/js/jquery.js could save 37.8KiB (49% reduction) after compression.
...
Minify HTML
Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.
Minify HTML for the following resources to reduce their size by 21.5KiB (28% reduction).
Minifying http://m.zbgb.org/index.html could save 20KiB (31% reduction).
...
Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify CSS for the following resources to reduce their size by 1.6KiB (18% reduction).
Minifying http://m.zbgb.org/static/_assets/css/book.css could save 1KiB (21% reduction) after compression.
...
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