43.2 sec in total
5.8 sec
36.9 sec
478 ms
Visit 5151sc.com now to see the best up-to-date 5151 Sc content for China and also check out these interesting facts you probably never knew about 5151sc.com
点购收藏网即是国内邮币卡收藏领域中实力雄厚的电子商务网站,也是高层次的商务礼品网站.常年收售中国金银币礼品,纸币,邮票等.送礼送文化,送礼送价值.郑重声明:本公司所售金银币,邮票,珍邮,人民币收藏品等绝对保真.客服:13718125151 400-689-8851
Visit 5151sc.comWe analyzed 5151sc.com page load time and found that the first response time was 5.8 sec and then it took 37.4 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 12 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
5151sc.com performance score
name
value
score
weighting
Value4.2 s
20/100
10%
Value4.3 s
42/100
25%
Value12.8 s
3/100
10%
Value30 ms
100/100
30%
Value0.263
47/100
15%
Value6.5 s
59/100
10%
5837 ms
1562 ms
1068 ms
7052 ms
2630 ms
Our browser made a total of 236 requests to load all elements on the main page. We found that 18% of them (42 requests) were addressed to the original 5151sc.com, 64% (151 requests) were made to Pic.5151sc.com and 15% (36 requests) were made to Img.5151sc.com. The less responsive or slowest element that took the longest time to load (19.7 sec) belongs to the original domain 5151sc.com.
Page size can be reduced by 407.4 kB (16%)
2.5 MB
2.1 MB
In fact, the total size of 5151sc.com main page is 2.5 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. 50% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.
Potential reduce by 111.6 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 15.9 kB, which is 12% 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 111.6 kB or 86% of the original size.
Potential reduce by 195.5 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. 5151 Sc images are well optimized though.
Potential reduce by 80.7 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 80.7 kB or 67% of the original size.
Potential reduce by 19.5 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. 5151sc.com needs all CSS files to be minified and compressed as it can save up to 19.5 kB or 80% of the original size.
Number of requests can be reduced by 4 (2%)
221
217
The browser has sent 221 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 5151 Sc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.
www.5151sc.com
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5151sc.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
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.
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
5151sc.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
General
Impact
Issue
Detected JavaScript libraries
5151sc.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
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 5151sc.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 5151sc.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
5151sc.com
Open Graph description is not detected on the main page of 5151 Sc. 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: