4.1 sec in total
808 ms
3.1 sec
149 ms
Welcome to open99.com homepage info - get ready to check Open 99 best content for China right away, or after learning these important things about open99.com
仪器仪表汇总|仪器大全|仪表大全
Visit open99.comWe analyzed Open99.com page load time and found that the first response time was 808 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
open99.com performance score
name
value
score
weighting
Value0.8 s
100/100
10%
Value5.2 s
24/100
25%
Value2.7 s
97/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value0.8 s
100/100
10%
808 ms
227 ms
641 ms
644 ms
452 ms
Our browser made a total of 46 requests to load all elements on the main page. We found that all of those requests were addressed to Open99.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Open99.com.
Page size can be reduced by 117.4 kB (12%)
992.8 kB
875.3 kB
In fact, the total size of Open99.com main page is 992.8 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. 25% of websites need less resources to load. Images take 916.2 kB which makes up the majority of the site volume.
Potential reduce by 69.9 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 34.5 kB, which is 46% 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 69.9 kB or 93% of the original size.
Potential reduce by 47.1 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. Open 99 images are well optimized though.
Potential reduce by 439 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. Open99.com needs all CSS files to be minified and compressed as it can save up to 439 B or 27% of the original size.
Number of requests can be reduced by 5 (11%)
44
39
The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Open 99. 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.
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open99.com accessibility score
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
<object> elements do not have alternate text
open99.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
Serves images with low resolution
General
Impact
Issue
Browser errors were logged to the console
open99.com SEO score
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
Document uses plugins
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ZH
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N/A
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Open99.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 Open99.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.
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open99.com
Open Graph description is not detected on the main page of Open 99. 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: