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skylab.com.cn screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

skylab.com.cn

GPS模块_北斗模块_WiFi模块_蓝牙模块_深圳市天工测控技术有限公司

Page Load Speed

7.3 sec in total

First Response

923 ms

Resources Loaded

5.8 sec

Page Rendered

620 ms

skylab.com.cn screenshot

About Website

Click here to check amazing Skylab content for India. Otherwise, check out these important facts you probably never knew about skylab.com.cn

深圳市天工测控技术有限公司是一家集研发、生产和销售无线模块(skylab)为一体的高科技企业。我们专注于北斗模块、gps模块、wifi模块、蓝牙模块。咨询电话：0755-83408210,深圳市天工测控技术有限公司

Visit skylab.com.cn

Key Findings

We analyzed Skylab.com.cn page load time and found that the first response time was 923 ms and then it took 6.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

skylab.com.cn performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

65/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

21/100

25%

SI (Speed Index)

Value10.8 s

6/100

10%

TBT (Total Blocking Time)

Value320 ms

76/100

30%

CLS (Cumulative Layout Shift)

Value0.287

42/100

15%

TTI (Time to Interactive)

Value11.3 s

19/100

10%

Network Requests Diagram

skylab.com.cn

923 ms

public.css

422 ms

style.css

657 ms

wap.css

579 ms

swiper.min.css

590 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 89% of them (25 requests) were addressed to the original Skylab.com.cn, 7% (2 requests) were made to Hm.baidu.com and 4% (1 request) were made to Goutong.baidu.com. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Skylab.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 85.3 kB (13%)

Content Size

632.2 kB

After Optimization

546.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Skylab.com.cn main page is 632.2 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. 20% of websites need less resources to load. Images take 412.0 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 54.4 kB

  • Original 62.9 kB
  • After minification 42.7 kB
  • After compression 8.5 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 20.1 kB, which is 32% 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 54.4 kB or 87% of the original size.

Image Optimization

-5%

Potential reduce by 20.1 kB

  • Original 412.0 kB
  • After minification 391.9 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. Skylab images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 8.2 kB

  • Original 136.4 kB
  • After minification 133.1 kB
  • After compression 128.1 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

-12%

Potential reduce by 2.5 kB

  • Original 20.9 kB
  • After minification 20.9 kB
  • After compression 18.4 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. Skylab.com.cn needs all CSS files to be minified and compressed as it can save up to 2.5 kB or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (50%)

Requests Now

26

After Optimization

13

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Skylab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

skylab.com.cn

skylab.com.cn

923 ms

public.css

public.css

422 ms

style.css

style.css

657 ms

wap.css

wap.css

579 ms

swiper.min.css

swiper.min.css

590 ms

animate.min.css

animate.min.css

610 ms

swiper.min.js

swiper.min.js

1204 ms

jquery.min.js

jquery.min.js

1121 ms

script.js

script.js

862 ms

jquery-1.11.3.min.js

jquery-1.11.3.min.js

1376 ms

grid.css

grid.css

905 ms

wow.min.js

wow.min.js

1014 ms

swiper.jquery.min.js

swiper.jquery.min.js

1515 ms

lazyload.min.js

lazyload.min.js

1154 ms

61b7131b72b1b.png

61b7131b72b1b.png

512 ms

wechat.jpg

wechat.jpg

357 ms

side_icon02.png

side_icon02.png

605 ms

wechat.png

wechat.png

1053 ms

side_icon04.png

side_icon04.png

398 ms

side_icon05.png

side_icon05.png

435 ms

iconfont.woff

iconfont.woff

743 ms

index_about.jpg

index_about.jpg

2875 ms

bg_3.jpg

bg_3.jpg

2477 ms

aboutry_wall.png

aboutry_wall.png

687 ms

gunl.png

gunl.png

785 ms

hm.js

hm.js

1390 ms

hm.gif

hm.gif

322 ms

b.js

b.js

1964 ms

Accessibility Review

skylab.com.cn accessibility score

64

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

skylab.com.cn 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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

skylab.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 Skylab.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 Skylab.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

skylab.com.cn

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