Tools & Wizards About Us

Report Summary

  • 36

    Performance

    Renders faster than
    55% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

dataifeng.com

BGA Welding Machine, soldering stations, reballing station, Automatic Welding Equipment Manufacturer | Dataifeng

Page Load Speed

5.7 sec in total

First Response

1 sec

Resources Loaded

4.2 sec

Page Rendered

514 ms

About Website

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

Shenzhen Dataifeng Technology Co., Ltd. started in March 2009, focusing on the production of electronic chip welding technology in SMT production process, integrating research and development, product...

Visit dataifeng.com

Key Findings

We analyzed Dataifeng.com page load time and found that the first response time was 1 sec and then it took 4.7 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

dataifeng.com performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value4.8 s

67/100

10%

TBT (Total Blocking Time)

Value910 ms

31/100

30%

CLS (Cumulative Layout Shift)

Value0.206

60/100

15%

TTI (Time to Interactive)

Value7.3 s

49/100

10%

Network Requests Diagram

dataifeng.com

1039 ms

www.dataifeng.com

1768 ms

common_3.css

8 ms

css

25 ms

jquery-2.1.3.min.js

6 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 50% of them (10 requests) were addressed to the original Dataifeng.com, 30% (6 requests) were made to Img001.video2b.com and 10% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Dataifeng.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 282.2 kB (62%)

Content Size

455.8 kB

After Optimization

173.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dataifeng.com main page is 455.8 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. 35% of websites need less resources to load. HTML takes 316.8 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 272.2 kB

  • Original 316.8 kB
  • After minification 271.7 kB
  • After compression 44.7 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. This page needs HTML code to be minified as it can gain 45.1 kB, which is 14% 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 272.2 kB or 86% of the original size.

Image Optimization

-10%

Potential reduce by 9.4 kB

  • Original 92.7 kB
  • After minification 83.2 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. Dataifeng images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 0 B

  • Original 29.6 kB
  • After minification 29.6 kB
  • After compression 29.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-3%

Potential reduce by 572 B

  • Original 16.7 kB
  • After minification 16.7 kB
  • After compression 16.1 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. Dataifeng.com has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

14

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dataifeng. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

dataifeng.com accessibility score

66

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

High

Links do not have a discernible name

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

dataifeng.com 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

Page has valid source maps

SEO Factors

dataifeng.com SEO score

79

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dataifeng.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Dataifeng.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 data is detected on the main page of Dataifeng. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: