Tools & Wizards About Us

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

tztek.com

天准，智能成就工业之美

Page Load Speed

25 sec in total

First Response

1.5 sec

Resources Loaded

23 sec

Page Rendered

525 ms

About Website

Welcome to tztek.com homepage info - get ready to check Tztek best content for China right away, or after learning these important things about tztek.com

天准科技致力于以领先技术推动工业数字化智能化发展,致力打造卓越的视觉装备平台型企业,主要产品包括视觉测量装备、视觉检测装备、视觉制程装备和智能驾驶方案等。 天准面向消费电子、半导体、PCB 、新能源、新汽车等精密制造行业，提供视觉测量、检测、制程等高端装备产品，促进制造业向更高效率、更高质量和更高智能化发展。同时在智能驾驶领域，提供域控制器、边缘计算产品与解决方案，推动行业进步，改善人们的生活。

Visit tztek.com

Key Findings

We analyzed Tztek.com page load time and found that the first response time was 1.5 sec and then it took 23.5 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

tztek.com performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value13.9 s

0/100

25%

SI (Speed Index)

Value40.6 s

0/100

10%

TBT (Total Blocking Time)

Value770 ms

38/100

30%

CLS (Cumulative Layout Shift)

Value1.22

1/100

15%

TTI (Time to Interactive)

Value25.6 s

0/100

10%

Network Requests Diagram

www.tztek.com

1549 ms

bdcn.js

203 ms

js-sdk-pro.min.js

763 ms

video-js.min.css

408 ms

swiper.min.css

607 ms

Our browser made a total of 113 requests to load all elements on the main page. We found that 50% of them (56 requests) were addressed to the original Tztek.com, 44% (50 requests) were made to Oss.tztek.com and 2% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (19.8 sec) relates to the external source Oss.tztek.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 516.8 kB (13%)

Content Size

4.0 MB

After Optimization

3.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tztek.com main page is 4.0 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. 60% of websites need less resources to load. Images take 3.4 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 71.8 kB

  • Original 80.3 kB
  • After minification 48.1 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 32.2 kB, which is 40% 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 71.8 kB or 89% of the original size.

Image Optimization

-10%

Potential reduce by 357.5 kB

  • Original 3.4 MB
  • After minification 3.1 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. Tztek images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 72.8 kB

  • Original 448.1 kB
  • After minification 448.0 kB
  • After compression 375.4 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 72.8 kB or 16% of the original size.

CSS Optimization

-33%

Potential reduce by 14.8 kB

  • Original 44.5 kB
  • After minification 44.5 kB
  • After compression 29.6 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. Tztek.com needs all CSS files to be minified and compressed as it can save up to 14.8 kB or 33% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (19%)

Requests Now

110

After Optimization

89

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 110 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tztek. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

tztek.com accessibility score

73

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

tztek.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

tztek.com SEO score

82

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

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

    UT

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tztek.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed language. Our system also found out that Tztek.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 Tztek. 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: