Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 74

    SEO

    Google-friendlier than
    32% of websites

wrtsz.com

慧锐通官网(WRT)_28年专注:楼宇对讲、智能家居、智慧社区、可视对讲、云对讲、门禁系统、人脸识别门禁系统

Page Load Speed

11.9 sec in total

First Response

1.5 sec

Resources Loaded

7.3 sec

Page Rendered

3.2 sec

wrtsz.com screenshot

About Website

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

慧锐通(WRT)创建于1994年,智能家居行业十大品牌公司,集生产、研发、销售于一体,是中国智能家居行业、智慧安防行业十大品牌商之一。慧锐通主要的产品有:楼宇对讲系统、可视对讲系统、云对讲系统、智能家居系统、智慧家庭与社区管理系统、智能门锁等,始终致力于智能楼宇安防与智慧家庭生活,是您不可或缺的生活帮手

Visit wrtsz.com

Key Findings

We analyzed Wrtsz.com page load time and found that the first response time was 1.5 sec and then it took 10.5 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

wrtsz.com performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value9.5 s

0/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value160 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0.555

13/100

15%

TTI (Time to Interactive)

Value15.3 s

7/100

10%

Network Requests Diagram

www.wrtsz.com

1472 ms

reset.css

267 ms

style.css

719 ms

swiper-bundle.min.css

930 ms

iconfont.css

969 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 97% of them (59 requests) were addressed to the original Wrtsz.com, 2% (1 request) were made to Ctmon-file.ctmon.com.cn and 2% (1 request) were made to . The less responsive or slowest element that took the longest time to load (3.5 sec) belongs to the original domain Wrtsz.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 310.6 kB (12%)

Content Size

2.7 MB

After Optimization

2.4 MB

In fact, the total size of Wrtsz.com main page is 2.7 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 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 31.1 kB

  • Original 38.3 kB
  • After minification 30.1 kB
  • After compression 7.3 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 8.3 kB, which is 22% 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 31.1 kB or 81% of the original size.

Image Optimization

-3%

Potential reduce by 68.2 kB

  • Original 2.3 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. WRT Sz images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 91.3 kB

  • Original 138.1 kB
  • After minification 135.3 kB
  • After compression 46.8 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 91.3 kB or 66% of the original size.

CSS Optimization

-72%

Potential reduce by 120.1 kB

  • Original 165.6 kB
  • After minification 160.0 kB
  • After compression 45.6 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. Wrtsz.com needs all CSS files to be minified and compressed as it can save up to 120.1 kB or 72% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (15%)

Requests Now

55

After Optimization

47

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of WRT Sz. 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 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

wrtsz.com accessibility score

82

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

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

wrtsz.com best practices score

67

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

wrtsz.com SEO score

74

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

High

robots.txt is not valid

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

    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 Wrtsz.com 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 Wrtsz.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 WRT Sz. 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: