21.2 sec in total
4.1 sec
16.4 sec
726 ms
Welcome to xhistory.net homepage info - get ready to check Xhistory best content right away, or after learning these important things about xhistory.net
世界历史主题网站,溯古追风世界历史网:追本溯源,以史为鉴,成长中的世界历史资源门户网站。集历史学术,历史资讯,文献档案,文博考古,经典国学,历史教育,教学交流为一体,涵盖中国历史在内的国别史,文化史,军事史,政治史,经济史,哲学史等内容的专业历史学术学习交流网站。
Visit xhistory.netWe analyzed Xhistory.net page load time and found that the first response time was 4.1 sec and then it took 17.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.
xhistory.net performance score
name
value
score
weighting
Value3.4 s
37/100
10%
Value7.5 s
4/100
25%
Value5.5 s
55/100
10%
Value160 ms
93/100
30%
Value0.013
100/100
15%
Value11.7 s
17/100
10%
4105 ms
3845 ms
3450 ms
3848 ms
3864 ms
Our browser made a total of 103 requests to load all elements on the main page. We found that 79% of them (81 requests) were addressed to the original Xhistory.net, 7% (7 requests) were made to Bbs.xhistory.net and 5% (5 requests) were made to Bdimg.share.baidu.com. The less responsive or slowest element that took the longest time to load (9.8 sec) relates to the external source Js.users.51.la.
Page size can be reduced by 276.3 kB (29%)
963.8 kB
687.5 kB
In fact, the total size of Xhistory.net main page is 963.8 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 35% of websites need less resources to load. Images take 640.7 kB which makes up the majority of the site volume.
Potential reduce by 119.9 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 20.2 kB, which is 15% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 119.9 kB or 87% of the original size.
Potential reduce by 21.7 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Xhistory images are well optimized though.
Potential reduce by 112.0 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 112.0 kB or 72% of the original size.
Potential reduce by 22.7 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Xhistory.net needs all CSS files to be minified and compressed as it can save up to 22.7 kB or 78% of the original size.
Number of requests can be reduced by 46 (49%)
94
48
The browser has sent 94 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Xhistory. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.
xhistory.net
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xhistory.net accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Image elements do not have [alt] attributes
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
xhistory.net best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
xhistory.net SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Page is blocked from indexing
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
N/A
N/A
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Xhistory.net can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Xhistory.net main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
xhistory.net
Open Graph description is not detected on the main page of Xhistory. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: