3.6 sec in total
357 ms
2.8 sec
399 ms
Visit f5.com.cn now to see the best up-to-date F5 content and also check out these interesting facts you probably never knew about f5.com.cn
F5 销售电话 400 991 8366,chinainfo@f5.com。F5是多云应用安全和应用交付服务技术的领导者,专注于企业级安全、应用交付、分布式云服务等领域,帮助广大客户创建、保护和运营提供非凡数字体验的应用。在自动化技术和AI数据分析的有力支持下,结合使用NGINX、Shape、Volterra以及Threat Stack的技术,为全球各个数字企业和机构提供最佳应用交付解决方案。
Visit f5.com.cnWe analyzed F5.com.cn page load time and found that the first response time was 357 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
f5.com.cn performance score
name
value
score
weighting
Value7.9 s
0/100
10%
Value25.8 s
0/100
25%
Value16.7 s
0/100
10%
Value720 ms
41/100
30%
Value0.004
100/100
15%
Value21.7 s
1/100
10%
357 ms
243 ms
674 ms
235 ms
233 ms
Our browser made a total of 74 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original F5.com.cn, 49% (36 requests) were made to F5.com and 16% (12 requests) were made to Cdn.f5.com. The less responsive or slowest element that took the longest time to load (674 ms) relates to the external source F5.com.
Page size can be reduced by 747.6 kB (63%)
1.2 MB
442.3 kB
In fact, the total size of F5.com.cn main page is 1.2 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. 45% of websites need less resources to load. Javascripts take 770.5 kB which makes up the majority of the site volume.
Potential reduce by 89.4 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 89.4 kB or 71% of the original size.
Potential reduce by 6.4 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. F5 images are well optimized though.
Potential reduce by 517.6 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 517.6 kB or 67% of the original size.
Potential reduce by 134.1 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. F5.com.cn needs all CSS files to be minified and compressed as it can save up to 134.1 kB or 80% of the original size.
Number of requests can be reduced by 28 (43%)
65
37
The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of F5. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and as a result speed up the page load time.
f5.com.cn
357 ms
www.f5.com
243 ms
f5.com
674 ms
portal-f5-ie.css
235 ms
aa2b4fa05ace9d15f99b62f2591afe6c.759.css
233 ms
jquery.min.js
42 ms
jquery-ui.min.js
55 ms
jquery-migrate.min.js
39 ms
modernizr.js
319 ms
selectivizr-min.js
40 ms
f5-ie.js
292 ms
WebResource.axd
313 ms
Telerik.Web.UI.WebResource.axd
479 ms
ea252ffa50f51c8e782d86a2f983d9ef.759.js
309 ms
f5-at.min.js
260 ms
f5-core-ie.min.js
581 ms
605ba5e9c463d3ac8aa5090c64c77c03.759.js
338 ms
hp-datastream-1.svg
456 ms
hp-soad-report-thumb.jpg
138 ms
gartner-MQ-thumb.png
136 ms
hp-software-story.jpg
137 ms
hp-silverline-ddos.jpg
445 ms
hp-silverline-platform.jpg
444 ms
hp-partner-logo-gartner.svg
317 ms
globe-sm.svg
461 ms
hp-datastream-2.svg
452 ms
hp-icon-programmability.svg
459 ms
hp-icon-scalable.svg
462 ms
hp-icon-control.svg
470 ms
Lori-MacVittie.png
477 ms
hp-datastream-3.svg
471 ms
hp-datastream-4.svg
472 ms
logo.svg
473 ms
gtm.js
33 ms
insight.min.js
192 ms
logos3.png
276 ms
pixel
335 ms
TabletGothic.eot
283 ms
TabletGothicSemiBold.eot
354 ms
f5.eot
372 ms
analytics.js
183 ms
solutionsSubmenu.html
175 ms
productsSubmenu.html
179 ms
supportSubmenu.html
181 ms
educationSubmenu.html
261 ms
howSubmenu.html
264 ms
aboutSubmenu.html
284 ms
bg-p1-lg.jpg
43 ms
bg-p5-lg.jpg
74 ms
bg-p7-lg.jpg
74 ms
loading.gif
222 ms
collect
11 ms
collect
67 ms
collect
8 ms
collect
70 ms
pixel
15 ms
match-result
11 ms
feature-spot-solutions.jpg
150 ms
feature-spot-products.jpg
145 ms
feature-spot-support.jpg
161 ms
ga-audiences
32 ms
feature-spot-images-education.jpg
103 ms
feature-spot-image-how-to-buy.jpg
117 ms
feature-spot-about-us.jpg
97 ms
15 ms
l
39 ms
ip.json
65 ms
visitWebPage
43 ms
vt.aspx
485 ms
ga.js
32 ms
collect
21 ms
collect
16 ms
__utm.gif
68 ms
__utm.gif
18 ms
f5.com.cn 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
[role]s do not have all required [aria-*] attributes
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
f5.com.cn best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
f5.com.cn SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
Tap targets are not sized appropriately
ZH
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise F5.com.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 English language. Our system also found out that F5.com.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.
f5.com.cn
Open Graph description is not detected on the main page of F5. 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: