18.3 sec in total
1.8 sec
16.3 sec
163 ms
Visit u509.com now to see the best up-to-date U 509 content and also check out these interesting facts you probably never knew about u509.com
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Visit u509.comWe analyzed U509.com page load time and found that the first response time was 1.8 sec and then it took 16.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
u509.com performance score
name
value
score
weighting
Value3.0 s
48/100
10%
Value3.7 s
58/100
25%
Value3.0 s
93/100
10%
Value310 ms
78/100
30%
Value0.099
90/100
15%
Value3.8 s
89/100
10%
1837 ms
1157 ms
674 ms
666 ms
918 ms
Our browser made a total of 22 requests to load all elements on the main page. We found that 5% of them (1 request) were addressed to the original U509.com, 73% (16 requests) were made to Chinr.net and 5% (1 request) were made to S11.cnzz.com. The less responsive or slowest element that took the longest time to load (3.8 sec) relates to the external source C.cnzz.com.
Page size can be reduced by 162.0 kB (64%)
253.2 kB
91.2 kB
In fact, the total size of U509.com main page is 253.2 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 123.3 kB which makes up the majority of the site volume.
Potential reduce by 7.8 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 7.8 kB or 68% of the original size.
Potential reduce by 1.6 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. U 509 images are well optimized though.
Potential reduce by 80.4 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 80.4 kB or 65% of the original size.
Potential reduce by 72.1 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. U509.com needs all CSS files to be minified and compressed as it can save up to 72.1 kB or 73% of the original size.
Number of requests can be reduced by 6 (30%)
20
14
The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of U 509. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.
u509.com
1837 ms
chinr.net
1157 ms
genericons.css
674 ms
style.css
666 ms
jquery.js
918 ms
jquery-migrate.min.js
789 ms
skip-link-focus-fix.js
790 ms
functions.js
759 ms
wp-embed.min.js
1302 ms
style.css
682 ms
KO2.gif
281 ms
bg3.jpg
266 ms
2.88.jpg
716 ms
wxok2.jpg
720 ms
zfbok5.jpg
1040 ms
rss2.gif
736 ms
ico_mailme_21.png
913 ms
z_stat.php
2307 ms
stat.htm
484 ms
core.php
3800 ms
9.gif
3778 ms
online_v3.php
2425 ms
u509.com accessibility score
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
Document doesn't have a <title> element
<frame> or <iframe> elements do not have a title
u509.com 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
u509.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Document doesn't have a <title> element
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Page is blocked from indexing
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
ZH
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise U509.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that U509.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.
u509.com
Open Graph description is not detected on the main page of U 509. 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: