Tools & Wizards About Us

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

oxford-instruments.cn

Page Load Speed

12.3 sec in total

First Response

543 ms

Resources Loaded

11.4 sec

Page Rendered

340 ms

About Website

Visit oxford-instruments.cn now to see the best up-to-date Oxford Instruments content for China and also check out these interesting facts you probably never knew about oxford-instruments.cn

牛津仪器科技（上海）有限公司隶属于英国牛津仪器集团。牛津仪器1959年创建于英国牛津，是英国伦敦证交所的上市公司，为工业和科研客户提供分析设备、半导体设备、超导磁体、超低温设备等高科技解决方案及相关服务和支持。

Visit oxford-instruments.cn

Key Findings

We analyzed Oxford-instruments.cn page load time and found that the first response time was 543 ms and then it took 11.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

oxford-instruments.cn performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value14.9 s

0/100

25%

SI (Speed Index)

Value12.2 s

3/100

10%

TBT (Total Blocking Time)

Value9,200 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.141

78/100

15%

TTI (Time to Interactive)

Value34.7 s

0/100

10%

Network Requests Diagram

oxford-instruments.cn

543 ms

www.oxinst.cn

1072 ms

313ce15c-4eec-4c1d-a6d3-3e24c16d95ac.js

587 ms

TCaptcha.js

2018 ms

5936.js

28 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Oxford-instruments.cn, 46% (29 requests) were made to Oxinst.cn and 11% (7 requests) were made to Intelcc-user.icsoc.net. The less responsive or slowest element that took the longest time to load (4.3 sec) relates to the external source Captcha.gtimg.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 276.6 kB (24%)

Content Size

1.2 MB

After Optimization

890.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Oxford-instruments.cn 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. 60% of websites need less resources to load. Javascripts take 507.2 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 73.0 kB

  • Original 97.1 kB
  • After minification 92.4 kB
  • After compression 24.1 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 73.0 kB or 75% of the original size.

Image Optimization

-7%

Potential reduce by 33.2 kB

  • Original 445.4 kB
  • After minification 412.2 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. Oxford Instruments images are well optimized though.

JavaScript Optimization

-34%

Potential reduce by 170.0 kB

  • Original 507.2 kB
  • After minification 507.2 kB
  • After compression 337.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 170.0 kB or 34% of the original size.

CSS Optimization

-0%

Potential reduce by 407 B

  • Original 116.9 kB
  • After minification 116.9 kB
  • After compression 116.5 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. Oxford-instruments.cn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 30 (57%)

Requests Now

53

After Optimization

23

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Oxford Instruments. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

oxford-instruments.cn accessibility score

86

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

oxford-instruments.cn 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

oxford-instruments.cn SEO score

86

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

    N/A

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Oxford-instruments.cn can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Chinese. Our system also found out that Oxford-instruments.cn 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 Oxford Instruments. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: