1.6 sec in total
745 ms
760 ms
73 ms
Welcome to 51aspx.com homepage info - get ready to check 51Aspx best content for China right away, or after learning these important things about 51aspx.com
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Visit 51aspx.comWe analyzed 51aspx.com page load time and found that the first response time was 745 ms and then it took 833 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.
51aspx.com performance score
name
value
score
weighting
Value6.5 s
2/100
10%
Value13.7 s
0/100
25%
Value14.4 s
1/100
10%
Value1,240 ms
19/100
30%
Value0.129
82/100
15%
Value11.0 s
21/100
10%
745 ms
Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to 51aspx.com and no external sources were called. The less responsive or slowest element that took the longest time to load (745 ms) belongs to the original domain 51aspx.com.
Page size can be reduced by 336.2 kB (30%)
1.1 MB
797.6 kB
In fact, the total size of 51aspx.com main page is 1.1 MB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. Images take 591.0 kB which makes up the majority of the site volume.
Potential reduce by 54 B
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 54 B or 35% of the original size.
Potential reduce by 37.5 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. 51Aspx images are well optimized though.
Potential reduce by 251.0 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 251.0 kB or 52% of the original size.
Potential reduce by 47.6 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. 51aspx.com needs all CSS files to be minified and compressed as it can save up to 47.6 kB or 80% of the original size.
We found no issues to fix!
0
0
Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.
51aspx.com
745 ms
51aspx.com 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
ARIA input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
[aria-*] attributes do not have valid values
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
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
Form elements do not have associated labels
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
List items (<li>) are not contained within <ul> or <ol> parent elements.
51aspx.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
51aspx.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
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
N/A
N/A
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 51aspx.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 51aspx.com main page’s claimed encoding is . 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.
51aspx.com
Open Graph description is not detected on the main page of 51Aspx. 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: