Tools & Wizards About Us

Report Summary

  • 66

    Performance

    Renders faster than
    79% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

sz-b2tech.com

Shenzhen B2 Technology Co., Ltd.丨Professional OEM/ODM Tempered Glass Screen Protector Manufacturer

Page Load Speed

8 sec in total

First Response

732 ms

Resources Loaded

7 sec

Page Rendered

184 ms

About Website

Welcome to sz-b2tech.com homepage info - get ready to check Sz B2 Tech best content right away, or after learning these important things about sz-b2tech.com

Shenzhen B2 Technology Co., Ltd is a professional ODM/OEM screen protector manufacturer. We have a wide range of products from basic 2.5D to 3D premium curved tempered glass screen protectors.

Visit sz-b2tech.com

Key Findings

We analyzed Sz-b2tech.com page load time and found that the first response time was 732 ms and then it took 7.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

sz-b2tech.com performance score

66

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

36/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

33/100

25%

SI (Speed Index)

Value9.5 s

12/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.056

98/100

15%

TTI (Time to Interactive)

Value3.8 s

89/100

10%

Network Requests Diagram

sz-b2tech.com

732 ms

www.sz-b2tech.com

1424 ms

CgAGS11D_oqAaTraAAA2dYQU_48381.css

1329 ms

jqueryV173.js

2195 ms

Public.js

2031 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 20% of them (4 requests) were addressed to the original Sz-b2tech.com, 35% (7 requests) were made to 00.rc.xiniu.com and 25% (5 requests) were made to 1.rc.xiniu.com. The less responsive or slowest element that took the longest time to load (2.7 sec) relates to the external source 1.rc.xiniu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 325.2 kB (27%)

Content Size

1.2 MB

After Optimization

878.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sz-b2tech.com main page is 1.2 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. 20% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 20.1 kB

  • Original 24.5 kB
  • After minification 15.3 kB
  • After compression 4.4 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 9.1 kB, which is 37% 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 20.1 kB or 82% of the original size.

Image Optimization

-25%

Potential reduce by 278.5 kB

  • Original 1.1 MB
  • After minification 823.2 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, Sz B2 Tech needs image optimization as it can save up to 278.5 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-35%

Potential reduce by 25.7 kB

  • Original 73.7 kB
  • After minification 67.4 kB
  • After compression 48.0 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 25.7 kB or 35% of the original size.

CSS Optimization

-21%

Potential reduce by 831 B

  • Original 4.0 kB
  • After minification 4.0 kB
  • After compression 3.2 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. Sz-b2tech.com needs all CSS files to be minified and compressed as it can save up to 831 B or 21% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

16

After Optimization

16

  • Images
  • JavaScript
  • CSS

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sz B2 Tech. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

sz-b2tech.com accessibility score

61

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

sz-b2tech.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

SEO Factors

sz-b2tech.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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sz-b2tech.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Sz-b2tech.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 Sz B2 Tech. 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: