176.8 sec in total
2.3 sec
174.1 sec
363 ms
Click here to check amazing Sdfeng content. Otherwise, check out these important facts you probably never knew about sdfeng.com
上海闪电蜂电子商务有限公司(简称闪电蜂)成立于2014年。专注于手机等数码产品售后维修、回收、延保等全线服务,2021年4月成为Apple的独立维修提供商(IRP),闪电蜂手机快修业务已经覆盖全国24个省及直辖市、自治区、现拥有加盟店3500余家,并持续快速增加中。
Visit sdfeng.comWe analyzed Sdfeng.com page load time and found that the first response time was 2.3 sec and then it took 174.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 206 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
sdfeng.com performance score
name
value
score
weighting
Value3.5 s
34/100
10%
Value6.3 s
10/100
25%
Value7.8 s
24/100
10%
Value550 ms
54/100
30%
Value0.401
25/100
15%
Value8.0 s
42/100
10%
2277 ms
7863 ms
1702 ms
3202 ms
948 ms
Our browser made a total of 337 requests to load all elements on the main page. We found that 86% of them (290 requests) were addressed to the original Sdfeng.com, 4% (15 requests) were made to Login.sdfeng.com and 4% (14 requests) were made to Cm.emarbox.com. The less responsive or slowest element that took the longest time to load (20.5 sec) belongs to the original domain Sdfeng.com.
Page size can be reduced by 1.1 MB (23%)
4.9 MB
3.8 MB
In fact, the total size of Sdfeng.com main page is 4.9 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. 45% of websites need less resources to load. Images take 4.3 MB which makes up the majority of the site volume.
Potential reduce by 492.0 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 325.1 kB, which is 64% 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 492.0 kB or 96% of the original size.
Potential reduce by 609.5 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. Obviously, Sdfeng needs image optimization as it can save up to 609.5 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 37.1 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. Sdfeng.com needs all CSS files to be minified and compressed as it can save up to 37.1 kB or 77% of the original size.
Number of requests can be reduced by 28 (27%)
105
77
The browser has sent 105 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sdfeng. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
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sdfeng.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.
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
sdfeng.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
sdfeng.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
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
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sdfeng.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 Sdfeng.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.
{{og_description}}
sdfeng.com
Open Graph description is not detected on the main page of Sdfeng. 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: