Tools & Wizards About Us
dfl.com.cn screenshot

Report Summary

  • 2

    Performance

    Renders faster than
    20% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

dfl.com.cn

Nissan东风日产官方网站

Page Load Speed

13.9 sec in total

First Response

692 ms

Resources Loaded

13.1 sec

Page Rendered

117 ms

dfl.com.cn screenshot

About Website

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

欢迎来到东风日产官方网站。这里为您提供东风日产SUV、东风日产两厢车、东风日产三厢车、东风日产纯电动车、东风日产品牌资讯等所有相关内容,敬请阅览。

Visit dfl.com.cn

Key Findings

We analyzed Dfl.com.cn page load time and found that the first response time was 692 ms and then it took 13.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

dfl.com.cn performance score

2

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.3 s

1/100

10%

LCP (Largest Contentful Paint)

Value12.8 s

0/100

25%

SI (Speed Index)

Value20.4 s

0/100

10%

TBT (Total Blocking Time)

Value3,040 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.755

6/100

15%

TTI (Time to Interactive)

Value19.1 s

2/100

10%

Network Requests Diagram

dfl.com.cn

692 ms

www.dongfeng-nissan.com.cn

778 ms

font_2246244_2cbt0mxch1g.css

22 ms

polyfill.min.js

451 ms

lodash.min.js

477 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Dfl.com.cn, 37% (20 requests) were made to Dongfeng-nissan.com.cn and 33% (18 requests) were made to Upload.dongfeng-nissan.com.cn. The less responsive or slowest element that took the longest time to load (9.6 sec) relates to the external source Xiaoiqd.dongfeng-nissan.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 284.9 kB (8%)

Content Size

3.4 MB

After Optimization

3.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dfl.com.cn main page is 3.4 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 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 26.8 kB

  • Original 34.6 kB
  • After minification 34.5 kB
  • After compression 7.9 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 26.8 kB or 77% of the original size.

Image Optimization

-7%

Potential reduce by 169.8 kB

  • Original 2.5 MB
  • After minification 2.3 MB

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. Dfl images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 87.1 kB

  • Original 822.9 kB
  • After minification 800.6 kB
  • After compression 735.8 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 87.1 kB or 11% of the original size.

CSS Optimization

-3%

Potential reduce by 1.2 kB

  • Original 42.3 kB
  • After minification 42.3 kB
  • After compression 41.1 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. Dfl.com.cn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 24 (47%)

Requests Now

51

After Optimization

27

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dfl. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dfl.com.cn

dfl.com.cn

692 ms

www.dongfeng-nissan.com.cn

www.dongfeng-nissan.com.cn

778 ms

font_2246244_2cbt0mxch1g.css

font_2246244_2cbt0mxch1g.css

22 ms

polyfill.min.js

polyfill.min.js

451 ms

lodash.min.js

lodash.min.js

477 ms

react.production.min.js

react.production.min.js

489 ms

react-dom.production.min.js

react-dom.production.min.js

491 ms

umi.64976b45.css

umi.64976b45.css

267 ms

umi.bd7c2199.js

umi.bd7c2199.js

807 ms

gtm-analytics.js

gtm-analytics.js

133 ms

jice.min.js

jice.min.js

1705 ms

gtm.js

gtm.js

157 ms

dn_web-web.json

dn_web-web.json

946 ms

track.gif

track.gif

1124 ms

vendors~layouts__BasicLayout~p__About~p__About__AboutUs~p__About__History~p__About__NetSecVulCol~p__~07664eca.58306696.async.js

vendors~layouts__BasicLayout~p__About~p__About__AboutUs~p__About__History~p__About__NetSecVulCol~p__~07664eca.58306696.async.js

269 ms

1.d00dd824.async.js

1.d00dd824.async.js

260 ms

2.cbe94cc3.chunk.css

2.cbe94cc3.chunk.css

644 ms

2.afd70115.async.js

2.afd70115.async.js

768 ms

3.03dcbe35.chunk.css

3.03dcbe35.chunk.css

661 ms

3.76334ddb.async.js

3.76334ddb.async.js

588 ms

layouts__BasicLayout.6180fe64.chunk.css

layouts__BasicLayout.6180fe64.chunk.css

520 ms

layouts__BasicLayout.11b80e9f.async.js

layouts__BasicLayout.11b80e9f.async.js

591 ms

logo.png

logo.png

116 ms

logo-txt.png

logo-txt.png

495 ms

57.png

57.png

729 ms

Bitmap1.jpg

Bitmap1.jpg

274 ms

vendors~p__About~p__About__Epower~p__About__Recruit~p__About__TechnologyNissan~p__Car__demo~p__DutyC~daa8f060.59794653.chunk.css

vendors~p__About~p__About__Epower~p__About__Recruit~p__About__TechnologyNissan~p__Car__demo~p__DutyC~daa8f060.59794653.chunk.css

260 ms

vendors~p__About~p__About__Epower~p__About__Recruit~p__About__TechnologyNissan~p__Car__demo~p__DutyC~daa8f060.4e3846b2.async.js

vendors~p__About~p__About__Epower~p__About__Recruit~p__About__TechnologyNissan~p__Car__demo~p__DutyC~daa8f060.4e3846b2.async.js

290 ms

vendors~p__About__AboutUs~p__About__History~p__pudge__Car~p__pudge__Home~p__pudge__Owner~p__pudge__Preview.5677db85.chunk.css

vendors~p__About__AboutUs~p__About__History~p__pudge__Car~p__pudge__Home~p__pudge__Owner~p__pudge__Preview.5677db85.chunk.css

261 ms

vendors~p__About__AboutUs~p__About__History~p__pudge__Car~p__pudge__Home~p__pudge__Owner~p__pudge__Preview.ce57d821.async.js

vendors~p__About__AboutUs~p__About__History~p__pudge__Car~p__pudge__Home~p__pudge__Owner~p__pudge__Preview.ce57d821.async.js

223 ms

p__pudge__Home.7038cdb1.chunk.css

p__pudge__Home.7038cdb1.chunk.css

455 ms

p__pudge__Home.2a8c840c.async.js

p__pudge__Home.2a8c840c.async.js

552 ms

cityjson

cityjson

395 ms

aiccClientRobot.js

aiccClientRobot.js

9646 ms

aiccTrack.js

aiccTrack.js

1978 ms

carlife-1.png

carlife-1.png

71 ms

carlife-2.jpeg

carlife-2.jpeg

78 ms

carlife-3.jpeg

carlife-3.jpeg

82 ms

qy-wechat1.jpg

qy-wechat1.jpg

270 ms

qy-wechat--avatar.png

qy-wechat--avatar.png

200 ms

nissan.png

nissan.png

145 ms

police_logo.png

police_logo.png

154 ms

buy-2.jpg

buy-2.jpg

445 ms

buy-4.JPG

buy-4.JPG

455 ms

font_2246244_2cbt0mxch1g.woff

font_2246244_2cbt0mxch1g.woff

834 ms

wjc.gif

wjc.gif

1181 ms

setting

setting

221 ms

car-series

car-series

2139 ms

level

level

220 ms

fa4b5840-7d0e-11ee-a79d-05021d4babb3.png

fa4b5840-7d0e-11ee-a79d-05021d4babb3.png

98 ms

c96323f0-01ff-11ee-89a0-35d052a0d5c3.png

c96323f0-01ff-11ee-89a0-35d052a0d5c3.png

298 ms

1e126220-dd8a-11ed-bc57-61176b86ec95.png

1e126220-dd8a-11ed-bc57-61176b86ec95.png

177 ms

87ba7c30-56ad-11ed-b30f-ebeaa94af68a.png

87ba7c30-56ad-11ed-b30f-ebeaa94af68a.png

84 ms

9c80acc0-be90-11ed-be7c-c3bb8063c7f2.png

9c80acc0-be90-11ed-be7c-c3bb8063c7f2.png

210 ms

Accessibility Review

dfl.com.cn accessibility score

74

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

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

dfl.com.cn best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

dfl.com.cn SEO score

81

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dfl.com.cn 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 English. Our system also found out that Dfl.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

dfl.com.cn

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