13.9 sec in total
6.7 sec
7.1 sec
95 ms
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Visit 51nnc.comWe analyzed 51nnc.com page load time and found that the first response time was 6.7 sec and then it took 7.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
51nnc.com performance score
name
value
score
weighting
Value3.6 s
31/100
10%
Value27.1 s
0/100
25%
Value13.7 s
2/100
10%
Value8,370 ms
0/100
30%
Value0
100/100
15%
Value80.9 s
0/100
10%
6720 ms
358 ms
Our browser made a total of 2 requests to load all elements on the main page. We found that all of those requests were addressed to 51nnc.com and no external sources were called. The less responsive or slowest element that took the longest time to load (6.7 sec) belongs to the original domain 51nnc.com.
Page size can be reduced by 684 B (44%)
1.5 kB
856 B
In fact, the total size of 51nnc.com main page is 1.5 kB. This result falls within a big category (top 100 000) of medium weight web pages. Only a small number of websites need less resources to load. HTML takes 1.5 kB which makes up the majority of the site volume.
Potential reduce by 684 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 684 B or 44% of the original size.
We found no issues to fix!
1
1
The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 51 Nnc. According to our analytics all requests are already optimized.
51nnc.com
6720 ms
pagerror.gif
358 ms
51nnc.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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
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
[lang] attributes do not have a valid value
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
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
51nnc.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
Browser errors were logged to the console
51nnc.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
ZH
N/A
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 51nnc.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 51nnc.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.
51nnc.com
Open Graph description is not detected on the main page of 51 Nnc. 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: