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rein-tech.cn screenshot

Report Summary

  • 60

    Performance

    Renders faster than
    75% of other websites

  • 45

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

rein-tech.cn

Bluetooth Headphone | Headphones | Headsets | Earphones | Speakers-Rein Electronics (Dongguan) Co., Ltd.

Page Load Speed

3 sec in total

First Response

597 ms

Resources Loaded

1.7 sec

Page Rendered

745 ms

rein-tech.cn screenshot

About Website

Visit rein-tech.cn now to see the best up-to-date Rein Tech content and also check out these interesting facts you probably never knew about rein-tech.cn

Established in 2005, Rein Electronics (Dongguan) Co., Ltd. is a professional high tech enterprise specializing in developing, producing and selling multimedia products. Company’s main products include...

Visit rein-tech.cn

Key Findings

We analyzed Rein-tech.cn page load time and found that the first response time was 597 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

rein-tech.cn performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

91/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

25/100

25%

SI (Speed Index)

Value4.7 s

68/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.677

8/100

15%

TTI (Time to Interactive)

Value5.7 s

68/100

10%

Network Requests Diagram

rein-tech.cn

597 ms

font-awesome.min.css

78 ms

bootstrap.min.css

222 ms

style.css

143 ms

jquery-1.11.3.min.js

291 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that all of those requests were addressed to Rein-tech.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (664 ms) belongs to the original domain Rein-tech.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 338.7 kB (12%)

Content Size

2.8 MB

After Optimization

2.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rein-tech.cn main page is 2.8 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. 70% of websites need less resources to load. Images take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 23.2 kB

  • Original 27.8 kB
  • After minification 19.9 kB
  • After compression 4.6 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 7.9 kB, which is 29% 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 23.2 kB or 83% of the original size.

Image Optimization

-10%

Potential reduce by 275.2 kB

  • Original 2.7 MB
  • After minification 2.4 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. Rein Tech images are well optimized though.

JavaScript Optimization

-31%

Potential reduce by 29.2 kB

  • Original 94.6 kB
  • After minification 94.6 kB
  • After compression 65.4 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 29.2 kB or 31% of the original size.

CSS Optimization

-27%

Potential reduce by 11.2 kB

  • Original 41.7 kB
  • After minification 41.7 kB
  • After compression 30.6 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. Rein-tech.cn needs all CSS files to be minified and compressed as it can save up to 11.2 kB or 27% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (6%)

Requests Now

48

After Optimization

45

  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rein Tech. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

rein-tech.cn

rein-tech.cn

597 ms

font-awesome.min.css

font-awesome.min.css

78 ms

bootstrap.min.css

bootstrap.min.css

222 ms

style.css

style.css

143 ms

jquery-1.11.3.min.js

jquery-1.11.3.min.js

291 ms

bootstrap.min.js

bootstrap.min.js

148 ms

common.js

common.js

145 ms

html5zoo.js

html5zoo.js

237 ms

logo.png

logo.png

82 ms

banner1.jpg

banner1.jpg

280 ms

banner2.jpg

banner2.jpg

213 ms

banner3.jpg

banner3.jpg

289 ms

title_down.png

title_down.png

82 ms

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2022053000261311889.jpg

213 ms

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207 ms

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211 ms

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346 ms

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426 ms

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2022042801565928814.jpg

283 ms

company.jpg

company.jpg

355 ms

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202261524795760.jpg

350 ms

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354 ms

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361 ms

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482 ms

7.jpg

7.jpg

420 ms

adv-3.jpg

adv-3.jpg

427 ms

adv-4.jpg

adv-4.jpg

428 ms

8.jpg

8.jpg

433 ms

adv-5.jpg

adv-5.jpg

491 ms

adv-6.jpg

adv-6.jpg

494 ms

9.jpg

9.jpg

497 ms

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2022061623325726401.jpg

499 ms

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2022061623332016562.jpg

505 ms

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563 ms

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2022061623340313960.jpg

565 ms

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2022061623343477187.jpg

566 ms

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568 ms

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2022061623351689531.jpg

569 ms

2022061623353514129.jpg

2022061623353514129.jpg

575 ms

2022061623355478168.jpg

2022061623355478168.jpg

639 ms

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2022061623360988839.jpg

644 ms

10.png

10.png

643 ms

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2022053000234948731.jpg

645 ms

2022042801190785267.jpg

2022042801190785267.jpg

572 ms

2022050600361452147.jpg

2022050600361452147.jpg

573 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

664 ms

logo1.png

logo1.png

520 ms

wx.png

wx.png

517 ms

mobile.png

mobile.png

517 ms

play-video.png

play-video.png

512 ms

slide_bPc.png

slide_bPc.png

457 ms

Accessibility Review

rein-tech.cn accessibility score

45

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.

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

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

rein-tech.cn best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

rein-tech.cn SEO score

83

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

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rein-tech.cn can be misinterpreted by Google and other search engines. Our service has detected that English 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 Rein-tech.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

rein-tech.cn

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