3.2 sec in total
454 ms
2.5 sec
210 ms
Visit drweb.cn now to see the best up-to-date Dr Web content for China and also check out these interesting facts you probably never knew about drweb.cn
Doctor Web公司是世界著名的反病毒产品和解决方案提供商,拥有超强功能的反病毒引擎。 公司总部在莫斯科,研发中心设在圣彼得堡,拥有自己的反病毒实验室和病毒监控服务,员工总数超过300人,研发人员近200人。 我们的客户遍布世界各地,从政府、军队、大型企业到家庭用户,乃至个人移动终端,无不是我们的忠实用户。 我们的战略目标是提供最高级别的信息安全保护,提供一个坚不可摧的屏障,使用户可以从...
Visit drweb.cnWe analyzed Drweb.cn page load time and found that the first response time was 454 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
drweb.cn performance score
name
value
score
weighting
Value6.6 s
2/100
10%
Value7.1 s
5/100
25%
Value9.8 s
10/100
10%
Value980 ms
28/100
30%
Value0.009
100/100
15%
Value12.1 s
16/100
10%
454 ms
1259 ms
1167 ms
385 ms
894 ms
Our browser made a total of 39 requests to load all elements on the main page. We found that 10% of them (4 requests) were addressed to the original Drweb.cn, 85% (33 requests) were made to St.drweb.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Drweb.cn.
Page size can be reduced by 157.3 kB (44%)
353.6 kB
196.4 kB
In fact, the total size of Drweb.cn main page is 353.6 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. 15% of websites need less resources to load. Javascripts take 153.7 kB which makes up the majority of the site volume.
Potential reduce by 20.6 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 7.0 kB, which is 26% 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 20.6 kB or 75% of the original size.
Potential reduce by 10.0 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. Dr Web images are well optimized though.
Potential reduce by 101.2 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 101.2 kB or 66% of the original size.
Potential reduce by 25.5 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. Drweb.cn needs all CSS files to be minified and compressed as it can save up to 25.5 kB or 79% of the original size.
Number of requests can be reduced by 20 (53%)
38
18
The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dr Web. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
drweb.cn
454 ms
style-cn.css
1259 ms
root-cn.css
1167 ms
default.css
385 ms
jquery.js
894 ms
jquery.animate-colors-min.js
386 ms
2013-root.js
512 ms
script-2010.js
511 ms
popup.js
512 ms
jquery.cookie.min.js
510 ms
elephant.js
637 ms
buy_elephant.css
637 ms
soc_icons_block.css
988 ms
analytics.js
97 ms
bg_page.jpg
130 ms
bg_top_row.gif
130 ms
cut_top_row.gif
130 ms
main_bann_v11_cn.jpg
646 ms
top_menu_bg.png
132 ms
logo_drweb_cn.png
383 ms
transparent_ie_fix.png
726 ms
btn_SSv11_off.jpg
193 ms
btn_v11_off.jpg
255 ms
ico_ESS10_38x38_1_off.jpg
257 ms
top_menu_bg_a.png
747 ms
top_menu_bg.png
753 ms
bg_news.jpg
754 ms
bg_news_right_a_notop.png
754 ms
pic5.jpg
254 ms
qzone.png
342 ms
tqq.png
381 ms
weibo.png
381 ms
renren.jpg
521 ms
instagram.png
485 ms
weixin.png
510 ms
weixin_qr_drweb.jpg
760 ms
youtube.png
518 ms
logo.jpg
620 ms
collect
13 ms
drweb.cn 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 valid value for its [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
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.
drweb.cn 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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
drweb.cn SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
Tap targets are not sized appropriately
ZH
CN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Drweb.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed language. Our system also found out that Drweb.cn 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.
drweb.cn
Open Graph description is not detected on the main page of Dr Web. 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: