Tools & Wizards About Us
slamtec.com screenshot

Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

slamtec.com

思岚科技-机器人自主定位导航方案 (激光雷达,SLAM,机器人底盘) 提供商

Page Load Speed

25.7 sec in total

First Response

1.1 sec

Resources Loaded

24.3 sec

Page Rendered

265 ms

slamtec.com screenshot

About Website

Click here to check amazing SLAM Tec content for United States. Otherwise, check out these important facts you probably never knew about slamtec.com

SLAMTEC思岚科技是全球首家提供消费级产品领域的高性能机器人定位导航解决方案及相关核心传感器的领导品牌，产品包括激光雷达、机器人自主定位导航系统与通用型商用机器人平台。

Visit slamtec.com

Key Findings

We analyzed Slamtec.com page load time and found that the first response time was 1.1 sec and then it took 24.6 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 were 6 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

slamtec.com performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value180 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0.349

32/100

15%

TTI (Time to Interactive)

Value8.9 s

35/100

10%

Network Requests Diagram

slamtec.com

1146 ms

bootstrap.min.css

2726 ms

swiper.min.css

845 ms

site.css

887 ms

site_en.css

894 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that all of those requests were addressed to Slamtec.com and no external sources were called. The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain Slamtec.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 231.1 kB (76%)

Content Size

306.0 kB

After Optimization

74.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Slamtec.com main page is 306.0 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. Only 10% of websites need less resources to load. CSS take 157.5 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 7.6 kB

  • Original 9.3 kB
  • After minification 6.2 kB
  • After compression 1.8 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 3.1 kB, which is 33% 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 7.6 kB or 81% of the original size.

Image Optimization

-21%

Potential reduce by 3.8 kB

  • Original 18.2 kB
  • After minification 14.3 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. Obviously, SLAM Tec needs image optimization as it can save up to 3.8 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-72%

Potential reduce by 87.7 kB

  • Original 121.0 kB
  • After minification 120.1 kB
  • After compression 33.3 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 87.7 kB or 72% of the original size.

CSS Optimization

-84%

Potential reduce by 132.0 kB

  • Original 157.5 kB
  • After minification 151.9 kB
  • After compression 25.4 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. Slamtec.com needs all CSS files to be minified and compressed as it can save up to 132.0 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (57%)

Requests Now

14

After Optimization

6

  • Images
  • JavaScript
  • CSS

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SLAM Tec. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

slamtec.com

slamtec.com

1146 ms

bootstrap.min.css

bootstrap.min.css

2726 ms

swiper.min.css

swiper.min.css

845 ms

site.css

site.css

887 ms

site_en.css

site_en.css

894 ms

jquery.min.js

jquery.min.js

14276 ms

bootstrap.min.js

bootstrap.min.js

3992 ms

swiper.jquery.min.js

swiper.jquery.min.js

4829 ms

hammer.min.js

hammer.min.js

2703 ms

site.min.js

site.min.js

3133 ms

js.cookie.js

js.cookie.js

3131 ms

slamtec-logo.png

slamtec-logo.png

4561 ms

icon-rplidar.png

icon-rplidar.png

4764 ms

icon-slamware.png

icon-slamware.png

6309 ms

icon-zeus.png

icon-zeus.png

5553 ms

banner-lidar.png

banner-lidar.png

20136 ms

banner-slamware.png

banner-slamware.png

20136 ms

banner-zeus.png

banner-zeus.png

20136 ms

banner-lidar.jpg

banner-lidar.jpg

20401 ms

banner-slamware.jpg

banner-slamware.jpg

20401 ms

banner-zeus.jpg

banner-zeus.jpg

20400 ms

Accessibility Review

slamtec.com accessibility score

68

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

slamtec.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

Missing source maps for large first-party JavaScript

SEO Factors

slamtec.com 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 Slamtec.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 Slamtec.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

slamtec.com

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