Tools & Wizards About Us

Report Summary

  • 75

    Performance

    Renders faster than
    83% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

xzbelec.com

Precision Lab Instruments & Meters For Sale - XZBELEC China Manufacturer

Page Load Speed

2.9 sec in total

First Response

380 ms

Resources Loaded

2.2 sec

Page Rendered

387 ms

About Website

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

XZBELEC is a professional enterprise of instruments and meters with ISO9001-2008, CE and RoHS certifications passed. Our mail products: Spectrophotometer, Colorimeter, Moisture meter, Ultrasonic Thick...

Visit xzbelec.com

Key Findings

We analyzed Xzbelec.com page load time and found that the first response time was 380 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

xzbelec.com performance score

75

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

81/100

25%

SI (Speed Index)

Value4.9 s

65/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.354

31/100

15%

TTI (Time to Interactive)

Value4.4 s

83/100

10%

Network Requests Diagram

xzbelec.com

380 ms

www.xzbelec.com

476 ms

all.min.css

79 ms

owl.carousel.min.css

139 ms

owl.theme.default.min.css

141 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that all of those requests were addressed to Xzbelec.com and no external sources were called. The less responsive or slowest element that took the longest time to load (973 ms) belongs to the original domain Xzbelec.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 86.3 kB (10%)

Content Size

899.8 kB

After Optimization

813.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Xzbelec.com main page is 899.8 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. 50% of websites need less resources to load. Images take 723.7 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 58.7 kB

  • Original 68.0 kB
  • After minification 51.8 kB
  • After compression 9.3 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 16.2 kB, which is 24% 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 58.7 kB or 86% of the original size.

Image Optimization

-4%

Potential reduce by 26.5 kB

  • Original 723.7 kB
  • After minification 697.1 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. XZBELEC images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 734 B

  • Original 60.9 kB
  • After minification 60.9 kB
  • After compression 60.1 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

-1%

Potential reduce by 305 B

  • Original 47.3 kB
  • After minification 47.3 kB
  • After compression 47.0 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. Xzbelec.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 18 (35%)

Requests Now

51

After Optimization

33

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of XZBELEC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

xzbelec.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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

xzbelec.com best practices score

75

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

xzbelec.com SEO score

86

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

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 Xzbelec.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 Xzbelec.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 data is detected on the main page of XZBELEC. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: