Tools & Wizards About Us

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

semicom.co.uk

Homepage - Semicom Visual

Page Load Speed

6.3 sec in total

First Response

1.6 sec

Resources Loaded

4.4 sec

Page Rendered

314 ms

About Website

Visit semicom.co.uk now to see the best up-to-date Semicom content for United Kingdom and also check out these interesting facts you probably never knew about semicom.co.uk

Semicom Visual Ltd A leading provider of industrial computing and displays, control ICs and laser technology. Semicom Visual

Visit semicom.co.uk

Key Findings

We analyzed Semicom.co.uk page load time and found that the first response time was 1.6 sec and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

semicom.co.uk performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.9 s

1/100

10%

LCP (Largest Contentful Paint)

Value13.0 s

0/100

25%

SI (Speed Index)

Value10.8 s

7/100

10%

TBT (Total Blocking Time)

Value380 ms

70/100

30%

CLS (Cumulative Layout Shift)

Value0.642

9/100

15%

TTI (Time to Interactive)

Value14.2 s

9/100

10%

Network Requests Diagram

www.semicomvisual.com

1561 ms

language-selector.css

174 ms

css

36 ms

woocommerce-mod.css

336 ms

styles.css

179 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Semicom.co.uk, 3% (2 requests) were made to Fonts.gstatic.com and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Semicomvisual.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 931.0 kB (60%)

Content Size

1.5 MB

After Optimization

608.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Semicom.co.uk main page is 1.5 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. 50% of websites need less resources to load. CSS take 577.1 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 65.3 kB

  • Original 78.1 kB
  • After minification 75.9 kB
  • After compression 12.8 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 65.3 kB or 84% of the original size.

Image Optimization

-2%

Potential reduce by 7.1 kB

  • Original 363.3 kB
  • After minification 356.2 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. Semicom images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 363.2 kB

  • Original 521.4 kB
  • After minification 516.2 kB
  • After compression 158.2 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 363.2 kB or 70% of the original size.

CSS Optimization

-86%

Potential reduce by 495.4 kB

  • Original 577.1 kB
  • After minification 481.7 kB
  • After compression 81.8 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. Semicom.co.uk needs all CSS files to be minified and compressed as it can save up to 495.4 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 45 (73%)

Requests Now

62

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Semicom. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

semicom.co.uk accessibility score

77

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA IDs are not unique

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

semicom.co.uk 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

SEO Factors

semicom.co.uk 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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Semicom.co.uk 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 Semicom.co.uk 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 Semicom. 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: