Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

tolang.com

拓朗工控 创造更加可靠的工业电脑

Page Load Speed

30 sec in total

First Response

2.6 sec

Resources Loaded

27 sec

Page Rendered

410 ms

tolang.com screenshot

About Website

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

东莞市拓朗工控设备有限公司 工业电脑 工业平板 工控机 多屏工作站

Visit tolang.com

Key Findings

We analyzed Tolang.com page load time and found that the first response time was 2.6 sec and then it took 27.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 21 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

tolang.com performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value23.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value24.3 s

0/100

25%

SI (Speed Index)

Value50.3 s

0/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.638

9/100

15%

TTI (Time to Interactive)

Value24.4 s

0/100

10%

Network Requests Diagram

index.html

2645 ms

jquery.js

5323 ms

jcarousellite.js

1386 ms

style.css

1797 ms

bg.gif

432 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that all of those requests were addressed to Tolang.com and no external sources were called. The less responsive or slowest element that took the longest time to load (19.8 sec) belongs to the original domain Tolang.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 72.1 kB (69%)

Content Size

104.1 kB

After Optimization

32.0 kB

In fact, the total size of Tolang.com main page is 104.1 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Javascripts take 80.1 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 14.8 kB

  • Original 18.8 kB
  • After minification 14.7 kB
  • After compression 4.1 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 4.2 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 14.8 kB or 78% of the original size.

JavaScript Optimization

-67%

Potential reduce by 53.5 kB

  • Original 80.1 kB
  • After minification 80.1 kB
  • After compression 26.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 53.5 kB or 67% of the original size.

CSS Optimization

-73%

Potential reduce by 3.8 kB

  • Original 5.1 kB
  • After minification 4.7 kB
  • After compression 1.4 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. Tolang.com needs all CSS files to be minified and compressed as it can save up to 3.8 kB or 73% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

6

After Optimization

6

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tolang. According to our analytics all requests are already optimized.

Accessibility Review

tolang.com accessibility score

57

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

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

tolang.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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

tolang.com SEO score

81

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 uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tolang.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 Tolang.com main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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