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tescan-uk.com screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 78

    SEO

    Google-friendlier than
    39% of websites

tescan-uk.com

SEM, FIB-SEM and micro-CT solutions for science - TESCAN

Page Load Speed

5.2 sec in total

First Response

319 ms

Resources Loaded

3.5 sec

Page Rendered

1.4 sec

tescan-uk.com screenshot

About Website

Click here to check amazing TESCAN Uk content. Otherwise, check out these important facts you probably never knew about tescan-uk.com

TESCAN is a leading global producer and supplier of scanning electron microscopes, focused ion beam scanning electron microscopes, and micro-CT solutions.

Visit tescan-uk.com

Key Findings

We analyzed Tescan-uk.com page load time and found that the first response time was 319 ms and then it took 4.9 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

tescan-uk.com performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value14.2 s

0/100

25%

SI (Speed Index)

Value12.2 s

3/100

10%

TBT (Total Blocking Time)

Value1,000 ms

27/100

30%

CLS (Cumulative Layout Shift)

Value0.029

100/100

15%

TTI (Time to Interactive)

Value18.2 s

3/100

10%

Network Requests Diagram

tescan-uk.com

319 ms

www.tescan.com

1922 ms

style.min.css

52 ms

gutenslider-init.css

44 ms

styles.css

41 ms

Our browser made a total of 126 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Tescan-uk.com, 51% (64 requests) were made to Tescan.com and 36% (45 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source Tescan.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 171.8 kB (6%)

Content Size

2.7 MB

After Optimization

2.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tescan-uk.com main page is 2.7 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 139.5 kB

  • Original 174.2 kB
  • After minification 168.1 kB
  • After compression 34.7 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 139.5 kB or 80% of the original size.

Image Optimization

-1%

Potential reduce by 14.7 kB

  • Original 2.1 MB
  • After minification 2.1 MB

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. TESCAN Uk images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 12.0 kB

  • Original 361.8 kB
  • After minification 361.8 kB
  • After compression 349.8 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

-8%

Potential reduce by 5.5 kB

  • Original 73.0 kB
  • After minification 71.0 kB
  • After compression 67.5 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. Tescan-uk.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 37 (47%)

Requests Now

79

After Optimization

42

  • Images
  • JavaScript
  • CSS

The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TESCAN Uk. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tescan-uk.com

tescan-uk.com

319 ms

www.tescan.com

www.tescan.com

1922 ms

style.min.css

style.min.css

52 ms

gutenslider-init.css

gutenslider-init.css

44 ms

styles.css

styles.css

41 ms

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dashicons.min.css

38 ms

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69 ms

css

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63 ms

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jquery.fancybox.min.css

68 ms

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43 ms

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elementor-icons.min.css

69 ms

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63 ms

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67 ms

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73 ms

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81 ms

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jquery-3.3.1.min.js

75 ms

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620 ms

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58 ms

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111 ms

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122 ms

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65 ms

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65 ms

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kt-functions.min.js

69 ms

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63 ms

api.js

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87 ms

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64 ms

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64 ms

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79 ms

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10 ms

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12 ms

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18 ms

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16 ms

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14 ms

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89 ms

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Accessibility Review

tescan-uk.com accessibility score

87

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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>).

Best Practices

tescan-uk.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

tescan-uk.com SEO score

78

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

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tescan-uk.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 Tescan-uk.com main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

tescan-uk.com

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