Report Summary

  • 88

    Performance

    Renders faster than
    90% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

djjwz.com

深圳网站建设_网站制作_网站设计_迅美科技

Page Load Speed

5.2 sec in total

First Response

697 ms

Resources Loaded

4.4 sec

Page Rendered

139 ms

djjwz.com screenshot

About Website

Visit djjwz.com now to see the best up-to-date Djjwz content for China and also check out these interesting facts you probably never knew about djjwz.com

深圳迅美网站建设公司拥有七年深圳网站建设经验1000余成功案例的公司,专业的网站建设团队为您提供深圳网站建设、深圳网站制作、深圳网站设计等服务

Visit djjwz.com

Key Findings

We analyzed Djjwz.com page load time and found that the first response time was 697 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

djjwz.com performance score

88

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

61/100

25%

SI (Speed Index)

Value4.3 s

76/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value1.4 s

100/100

10%

Network Requests Diagram

djjwz.com

697 ms

www.djjwz.com

927 ms

style.css

661 ms

logo.jpg

1324 ms

01.jpg

2449 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 91% of them (30 requests) were addressed to the original Djjwz.com, 9% (3 requests) were made to Szcert.ebs.org.cn. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Djjwz.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 80.9 kB (17%)

Content Size

473.1 kB

After Optimization

392.2 kB

In fact, the total size of Djjwz.com main page is 473.1 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. 15% of websites need less resources to load. Images take 454.0 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 10.0 kB

  • Original 13.9 kB
  • After minification 13.8 kB
  • After compression 3.9 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 10.0 kB or 72% of the original size.

Image Optimization

-15%

Potential reduce by 69.2 kB

  • Original 454.0 kB
  • After minification 384.9 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, Djjwz needs image optimization as it can save up to 69.2 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-35%

Potential reduce by 630 B

  • Original 1.8 kB
  • After minification 1.8 kB
  • After compression 1.2 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 630 B or 35% of the original size.

CSS Optimization

-34%

Potential reduce by 1.1 kB

  • Original 3.3 kB
  • After minification 3.3 kB
  • After compression 2.2 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. Djjwz.com needs all CSS files to be minified and compressed as it can save up to 1.1 kB or 34% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (23%)

Requests Now

30

After Optimization

23

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Djjwz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

djjwz.com accessibility score

70

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<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

High

Image elements do not have [alt] attributes

Best Practices

djjwz.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

SEO Factors

djjwz.com SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Djjwz.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 Djjwz.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.

Social Sharing Optimization

Open Graph description is not detected on the main page of Djjwz. 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: