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sunva.com screenshot

Report Summary

  • 91

    Performance

    Renders faster than
    91% of other websites

  • 50

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

sunva.com

Sunva Diamond Tools - Manufacturer of diamond and CBN tools since 1996

Page Load Speed

4.2 sec in total

First Response

1 sec

Resources Loaded

3 sec

Page Rendered

113 ms

sunva.com screenshot

About Website

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

As one of leading manufacturers in China, we mainly produce electroplated and brazed diamond tools, CBN tools, nail dril bits, carbide burs etc, such as diamond grinding wheel, diamond saw blade, diam...

Visit sunva.com

Key Findings

We analyzed Sunva.com page load time and found that the first response time was 1 sec and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

sunva.com performance score

91

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.7 s

100/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

65/100

25%

SI (Speed Index)

Value2.5 s

98/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value0.7 s

100/100

10%

Network Requests Diagram

sunva.com

1008 ms

biaoti.jpg

1254 ms

Home.jpg

868 ms

About.jpg

881 ms

Products.jpg

956 ms

Our browser made a total of 18 requests to load all elements on the main page. We found that 94% of them (17 requests) were addressed to the original Sunva.com, 6% (1 request) were made to Odr.jsdsgsxt.gov.cn. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Sunva.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 20.9 kB (5%)

Content Size

421.3 kB

After Optimization

400.4 kB

  • HTML
  • Images

In fact, the total size of Sunva.com main page is 421.3 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. 15% of websites need less resources to load. Images take 411.6 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 7.1 kB

  • Original 9.7 kB
  • After minification 9.0 kB
  • After compression 2.6 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 7.1 kB or 73% of the original size.

Image Optimization

-3%

Potential reduce by 13.8 kB

  • Original 411.6 kB
  • After minification 397.8 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. Sunva images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

11

After Optimization

11

  • Images

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sunva. According to our analytics all requests are already optimized.

Network Requests Diagram

sunva.com

sunva.com

1008 ms

biaoti.jpg

biaoti.jpg

1254 ms

Home.jpg

Home.jpg

868 ms

About.jpg

About.jpg

881 ms

Products.jpg

Products.jpg

956 ms

News.jpg

News.jpg

760 ms

Contact.jpg

Contact.jpg

1021 ms

ebanner.jpg

ebanner.jpg

2033 ms

SUNVA.jpg

SUNVA.jpg

1527 ms

001.jpg

001.jpg

1326 ms

002.jpg

002.jpg

1448 ms

01.jpg

01.jpg

1272 ms

govicon.js

govicon.js

84 ms

Home2.jpg

Home2.jpg

256 ms

About2.jpg

About2.jpg

240 ms

Products2.jpg

Products2.jpg

214 ms

News2.jpg

News2.jpg

256 ms

Contact2.jpg

Contact2.jpg

207 ms

Accessibility Review

sunva.com accessibility score

50

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

sunva.com best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

High

Browser errors were logged to the console

SEO Factors

sunva.com SEO score

58

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sunva.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Sunva.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

sunva.com

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