17.6 sec in total
1.3 sec
15.7 sec
586 ms
Click here to check amazing Free Buf content for China. Otherwise, check out these important facts you probably never knew about freebuf.com
FreeBuf,国内领先的网络安全行业门户,同时也是爱好者们交流与分享安全技术的社区。
Visit freebuf.comWe analyzed Freebuf.com page load time and found that the first response time was 1.3 sec and then it took 16.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
freebuf.com performance score
name
value
score
weighting
Value9.9 s
0/100
10%
Value16.0 s
0/100
25%
Value14.9 s
1/100
10%
Value750 ms
39/100
30%
Value0
100/100
15%
Value14.5 s
9/100
10%
1263 ms
5437 ms
1509 ms
5466 ms
1752 ms
Our browser made a total of 130 requests to load all elements on the main page. We found that 16% of them (21 requests) were addressed to the original Freebuf.com, 36% (47 requests) were made to Image.3001.net and 28% (36 requests) were made to Static.freebuf.com. The less responsive or slowest element that took the longest time to load (6.1 sec) belongs to the original domain Freebuf.com.
Page size can be reduced by 938.9 kB (29%)
3.3 MB
2.3 MB
In fact, the total size of Freebuf.com main page is 3.3 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.5 MB which makes up the majority of the site volume.
Potential reduce by 96.2 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 15.6 kB, which is 13% 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 96.2 kB or 82% of the original size.
Potential reduce by 342.2 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. Obviously, Free Buf needs image optimization as it can save up to 342.2 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 293.5 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 293.5 kB or 74% of the original size.
Potential reduce by 207.0 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. Freebuf.com needs all CSS files to be minified and compressed as it can save up to 207.0 kB or 84% of the original size.
Number of requests can be reduced by 42 (34%)
125
83
The browser has sent 125 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Free Buf. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
freebuf.com
1263 ms
www.freebuf.com
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wpfp.css
1509 ms
wp-recentcomments.css
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widget.css
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jquery.min.js
5479 ms
wpfp.js
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highslide.css
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highslide-with-html.packed.js
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script.js
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style.css
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highlight.pack.js
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default.css
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bootstrap.min.css
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style.css
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jquery-2.0.3.min.js
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scrollbar.js
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bootstrap.min.js
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slider.js
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jquery.sticky.js
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bjqs-1.3.min.js
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mosaic.1.0.1.min.js
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lazyload.js
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backtop.js
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tool-220x150.jpg
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qrcode.php
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grey.gif
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css.php
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fb-top-bg.jpg
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logo.png
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icon-batr.gif
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hotnew.gif
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icon-wx.png
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ali.png
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icon-aly.png
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icon-gz.jpg
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glyphicon-chevron-left.png
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more-bg.jpg
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tags-bg01.png
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btn-srh.jpg
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quote-r.jpg
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quote-l.jpg
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back-top.png
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h.js
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hm.gif
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clipped
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arrowbg01.gif
319 ms
www.freebuf.com
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icon-green-yq.png
15 ms
loader.white.gif
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rounded-white.png
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zoomout.cur
1031 ms
qrcode.php
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qrcode.php
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qrcode.php
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logo.jpg
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pic14.png
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wp-user-avatar-50x50.png
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icon_rolleyes.gif
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hm.gif
327 ms
freebuf.com accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
Links do not have a discernible name
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.
freebuf.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
freebuf.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
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
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Freebuf.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Freebuf.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
freebuf.com
Open Graph description is not detected on the main page of Free Buf. 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: