Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 36

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

zhangjia.com

Zhang Jia ( 张家 )

Page Load Speed

1.4 sec in total

First Response

371 ms

Resources Loaded

914 ms

Page Rendered

86 ms

zhangjia.com screenshot

About Website

Welcome to zhangjia.com homepage info - get ready to check Zhang Jia best content right away, or after learning these important things about zhangjia.com

Zhang Jia

Visit zhangjia.com

Key Findings

We analyzed Zhangjia.com page load time and found that the first response time was 371 ms and then it took 1000 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

zhangjia.com performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

95/100

10%

LCP (Largest Contentful Paint)

Value2.0 s

97/100

25%

SI (Speed Index)

Value2.6 s

97/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.6 s

100/100

10%

Network Requests Diagram

zhangjia.com

371 ms

www.zhangjia.com

355 ms

stylesheet.css

101 ms

zhang.png

181 ms

Our browser made a total of 4 requests to load all elements on the main page. We found that all of those requests were addressed to Zhangjia.com and no external sources were called. The less responsive or slowest element that took the longest time to load (371 ms) belongs to the original domain Zhangjia.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.3 kB (38%)

Content Size

6.1 kB

After Optimization

3.8 kB

In fact, the total size of Zhangjia.com main page is 6.1 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 4.3 kB which makes up the majority of the site volume.

HTML Optimization

-54%

Potential reduce by 712 B

  • Original 1.3 kB
  • After minification 1.3 kB
  • After compression 615 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 712 B or 54% of the original size.

Image Optimization

-30%

Potential reduce by 1.3 kB

  • Original 4.3 kB
  • After minification 3.0 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, Zhang Jia needs image optimization as it can save up to 1.3 kB or 30% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-59%

Potential reduce by 293 B

  • Original 498 B
  • After minification 380 B
  • After compression 205 B

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. Zhangjia.com needs all CSS files to be minified and compressed as it can save up to 293 B or 59% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

2

After Optimization

2

The browser has sent 2 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zhang Jia. According to our analytics all requests are already optimized.

Accessibility Review

zhangjia.com accessibility score

36

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

zhangjia.com best practices score

75

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

Serves images with low resolution

SEO Factors

zhangjia.com SEO score

92

Search Engine Optimization Advices

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

    N/A

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zhangjia.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), while the claimed language is Chinese. Our system also found out that Zhangjia.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.

Social Sharing Optimization

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