5.4 sec in total
953 ms
3.7 sec
779 ms
Welcome to vister-laser.com homepage info - get ready to check Vister Laser best content right away, or after learning these important things about vister-laser.com
佛山市威士特激光设备有限公司是一家专门采用进口激光技术,生产工业激光打标设备权威专业制造商,拥有十二年激光设备制造经验,服务热线 13420954526,主营:激光打标机,光纤激光打标机,紫外激光标机,首饰激光刻字机,自动化激光打标机,激光打字机.
Visit vister-laser.comWe analyzed Vister-laser.com page load time and found that the first response time was 953 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
vister-laser.com performance score
name
value
score
weighting
Value2.0 s
83/100
10%
Value13.6 s
0/100
25%
Value11.4 s
5/100
10%
Value20 ms
100/100
30%
Value0.097
90/100
15%
Value2.8 s
97/100
10%
953 ms
145 ms
363 ms
166 ms
88 ms
Our browser made a total of 62 requests to load all elements on the main page. We found that all of those requests were addressed to Vister-laser.com and no external sources were called. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Vister-laser.com.
Page size can be reduced by 178.7 kB (17%)
1.1 MB
880.4 kB
In fact, the total size of Vister-laser.com main page is 1.1 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. Only 10% of websites need less resources to load. Images take 978.8 kB which makes up the majority of the site volume.
Potential reduce by 64.3 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 9.2 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 64.3 kB or 93% of the original size.
Potential reduce by 105.5 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, Vister Laser needs image optimization as it can save up to 105.5 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 8.1 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 8.1 kB or 83% of the original size.
Potential reduce by 760 B
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. Vister-laser.com needs all CSS files to be minified and compressed as it can save up to 760 B or 75% of the original size.
Number of requests can be reduced by 22 (39%)
57
35
The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vister Laser. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
vister-laser.com
953 ms
css.css
145 ms
changimages.js
363 ms
spacer.gif
166 ms
bg.jpg
88 ms
spacer.gif
148 ms
p1.jpg
692 ms
nav.jpg
566 ms
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vister-laser.com 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
Links do not have a discernible name
vister-laser.com 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
vister-laser.com 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
ZH
N/A
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vister-laser.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 Vister-laser.com 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.
vister-laser.com
Open Graph description is not detected on the main page of Vister Laser. 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: