8.9 sec in total
468 ms
8 sec
380 ms
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Visit 520im.comWe analyzed 520im.com page load time and found that the first response time was 468 ms and then it took 8.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
520im.com performance score
name
value
score
weighting
Value1.3 s
98/100
10%
Value1.3 s
100/100
25%
Value2.6 s
97/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value1.3 s
100/100
10%
468 ms
529 ms
72 ms
138 ms
273 ms
Our browser made a total of 98 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original 520im.com, 71% (70 requests) were made to Bbs.520im.com and 4% (4 requests) were made to Tjs.sjs.sinajs.cn. The less responsive or slowest element that took the longest time to load (2.4 sec) relates to the external source Cnzz.mmstat.com.
Page size can be reduced by 323.4 kB (34%)
959.4 kB
635.9 kB
In fact, the total size of 520im.com main page is 959.4 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. 50% of websites need less resources to load. Images take 617.5 kB which makes up the majority of the site volume.
Potential reduce by 84.8 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 84.8 kB or 86% of the original size.
Potential reduce by 93.1 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. Obviously, 520 Im needs image optimization as it can save up to 93.1 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 81.2 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 81.2 kB or 51% of the original size.
Potential reduce by 64.3 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. 520im.com needs all CSS files to be minified and compressed as it can save up to 64.3 kB or 77% of the original size.
Number of requests can be reduced by 33 (35%)
94
61
The browser has sent 94 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 520 Im. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
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520im.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
520im.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
520im.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Page is blocked from indexing
N/A
N/A
GBK
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 520im.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that 520im.com main page’s claimed encoding is gbk. 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.
{{og_description}}
520im.com
Open Graph description is not detected on the main page of 520 Im. 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: