Report Summary

  • 3

    Performance

    Renders faster than
    20% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

dominos.com.cn

达美乐比萨订餐官网-外送30分钟必达-超时送免费比萨券

Page Load Speed

27.1 sec in total

First Response

2.5 sec

Resources Loaded

24.4 sec

Page Rendered

228 ms

dominos.com.cn screenshot

About Website

Click here to check amazing Dominos content for China. Otherwise, check out these important facts you probably never knew about dominos.com.cn

达美乐Domino’s Pizza是全球人气比萨品牌及外送专家.官网提供丰富披萨,意面,小食,网上订餐专享优惠.PIZZA手拍现做,承诺”外送30分钟必达,超时送免费比萨券”.

Visit dominos.com.cn

Key Findings

We analyzed Dominos.com.cn page load time and found that the first response time was 2.5 sec and then it took 24.6 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 7 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

dominos.com.cn performance score

3

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value24.8 s

0/100

25%

SI (Speed Index)

Value24.6 s

0/100

10%

TBT (Total Blocking Time)

Value2,000 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value1

2/100

15%

TTI (Time to Interactive)

Value23.6 s

1/100

10%

Network Requests Diagram

dominos.com.cn

2468 ms

jquery.bxslider.css

280 ms

style.css

1330 ms

jquery-ui-1.10.4.custom.min.css

1057 ms

jquery.min.js

1589 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 58% of them (15 requests) were addressed to the original Dominos.com.cn, 27% (7 requests) were made to Olocms.dominos.com.cn and 8% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (20 sec) relates to the external source Olocms.dominos.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 333.9 kB (56%)

Content Size

595.9 kB

After Optimization

262.0 kB

In fact, the total size of Dominos.com.cn main page is 595.9 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. Javascripts take 318.0 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 15.9 kB

  • Original 20.5 kB
  • After minification 18.5 kB
  • After compression 4.7 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 15.9 kB or 77% of the original size.

Image Optimization

-14%

Potential reduce by 23.7 kB

  • Original 172.1 kB
  • After minification 148.3 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, Dominos needs image optimization as it can save up to 23.7 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 222.7 kB

  • Original 318.0 kB
  • After minification 296.6 kB
  • After compression 95.4 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 222.7 kB or 70% of the original size.

CSS Optimization

-84%

Potential reduce by 71.6 kB

  • Original 85.3 kB
  • After minification 63.4 kB
  • After compression 13.6 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. Dominos.com.cn needs all CSS files to be minified and compressed as it can save up to 71.6 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (41%)

Requests Now

17

After Optimization

10

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dominos. 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 from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

dominos.com.cn accessibility score

60

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

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

dominos.com.cn best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

dominos.com.cn SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

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

High

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

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dominos.com.cn 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 Dominos.com.cn 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 Dominos. 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: