Tools & Wizards About Us
ottosun.com screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 42

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

ottosun.com

Brake Caliper Manufacturer,All Brake System-OTTOSUN

Page Load Speed

2.1 sec in total

First Response

490 ms

Resources Loaded

1.2 sec

Page Rendered

374 ms

ottosun.com screenshot

About Website

Click here to check amazing OTTOSUN content. Otherwise, check out these important facts you probably never knew about ottosun.com

OTTOSUN is engaged in design and sales for the brake cylinder, clutch cylinder, clutch releasebearings, brake caliper and its kits. We take the highest quality parts, test them to make sure they work ...

Visit ottosun.com

Key Findings

We analyzed Ottosun.com page load time and found that the first response time was 490 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

ottosun.com performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value19.7 s

0/100

25%

SI (Speed Index)

Value5.9 s

48/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.66

8/100

15%

TTI (Time to Interactive)

Value10.6 s

23/100

10%

Network Requests Diagram

ottosun.com

490 ms

www.ottosun.com

120 ms

reset.css

22 ms

animate.min.css

42 ms

banner.css

45 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that all of those requests were addressed to Ottosun.com and no external sources were called. The less responsive or slowest element that took the longest time to load (490 ms) belongs to the original domain Ottosun.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 239.5 kB (13%)

Content Size

1.8 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ottosun.com main page is 1.8 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. 40% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 14.3 kB

  • Original 18.5 kB
  • After minification 15.6 kB
  • After compression 4.2 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 2.9 kB, which is 16% 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 14.3 kB or 77% of the original size.

Image Optimization

-13%

Potential reduce by 220.4 kB

  • Original 1.7 MB
  • After minification 1.5 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. Obviously, OTTOSUN needs image optimization as it can save up to 220.4 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-5%

Potential reduce by 2.9 kB

  • Original 59.7 kB
  • After minification 59.0 kB
  • After compression 56.9 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

-15%

Potential reduce by 2.0 kB

  • Original 12.7 kB
  • After minification 12.1 kB
  • After compression 10.7 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. Ottosun.com needs all CSS files to be minified and compressed as it can save up to 2.0 kB or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (28%)

Requests Now

43

After Optimization

31

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OTTOSUN. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ottosun.com

ottosun.com

490 ms

www.ottosun.com

www.ottosun.com

120 ms

reset.css

reset.css

22 ms

animate.min.css

animate.min.css

42 ms

banner.css

banner.css

45 ms

public.css

public.css

44 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

55 ms

animate.min.js

animate.min.js

37 ms

jquery.SuperSlide.2.1.1.js

jquery.SuperSlide.2.1.1.js

45 ms

jquery.carouFredSel.js

jquery.carouFredSel.js

64 ms

jquery.touchSwipe.min.js

jquery.touchSwipe.min.js

68 ms

banner.js

banner.js

67 ms

public.js

public.js

66 ms

index.js

index.js

66 ms

ClickRule_website.js

ClickRule_website.js

73 ms

search_pro.js

search_pro.js

80 ms

web_ajax.ashx

web_ajax.ashx

334 ms

en.png

en.png

25 ms

xi.png

xi.png

22 ms

logo.png

logo.png

37 ms

banner_01.jpg

banner_01.jpg

100 ms

banner_02.jpg

banner_02.jpg

68 ms

banner_03.jpg

banner_03.jpg

102 ms

banner_mouse.png

banner_mouse.png

44 ms

index_bg.png

index_bg.png

60 ms

luntan1.png

luntan1.png

89 ms

luntan2.png

luntan2.png

113 ms

luntan3.png

luntan3.png

129 ms

201712201126300688.jpg

201712201126300688.jpg

90 ms

201712201126413094.jpg

201712201126413094.jpg

113 ms

201712201126513540.jpg

201712201126513540.jpg

113 ms

201712201127010165.jpg

201712201127010165.jpg

121 ms

search_bg.png

search_bg.png

123 ms

sanjian1.png

sanjian1.png

138 ms

car.png

car.png

139 ms

index_bg2.png

index_bg2.png

138 ms

tel.png

tel.png

141 ms

share2.png

share2.png

145 ms

share1.png

share1.png

150 ms

share3.png

share3.png

160 ms

share4.png

share4.png

161 ms

jiao.png

jiao.png

160 ms

contact.png

contact.png

161 ms

1.jpg

1.jpg

166 ms

login_ico.png

login_ico.png

170 ms

Accessibility Review

ottosun.com accessibility score

42

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

Form elements do not have associated labels

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

ottosun.com best practices score

58

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

ottosun.com SEO score

92

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    ZH

  • Encoding

    UTF-8

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

ottosun.com

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