Report Summary

  • 4

    Performance

    Renders faster than
    20% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

clarkson.it

Restoration of Vintage Watches in Berlin - OnlyVintageWatches.com

Page Load Speed

2.8 sec in total

First Response

250 ms

Resources Loaded

1.5 sec

Page Rendered

1.1 sec

clarkson.it screenshot

About Website

Visit clarkson.it now to see the best up-to-date Clarkson content and also check out these interesting facts you probably never knew about clarkson.it

We specialize in the repair, service and restoration of vintage watches of all brands: Your vintage watch is in good hands!

Visit clarkson.it

Key Findings

We analyzed Clarkson.it page load time and found that the first response time was 250 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

clarkson.it performance score

4

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value11.2 s

0/100

25%

SI (Speed Index)

Value22.3 s

0/100

10%

TBT (Total Blocking Time)

Value7,810 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.383

27/100

15%

TTI (Time to Interactive)

Value25.1 s

0/100

10%

Network Requests Diagram

clarkson.it

250 ms

367 ms

ZY9BEsIwCEUvZMR6Azdew0kpMYxJ6ARap7c3bdx1-R8PmD_A3WFi_DgVZJ8yTezduJhJUUBV6FyjrzRXXj1uLnO5DBCIpnGphaoLUjOgFKuSIIxqW6JmvHklMMpz8kZ6xOu-e4OXN4Gu_QMXBI1SDWUibbRBh5HTdPZC-6QdaySy8-zZDj2-pJLpKLFT5zv4AQ.css

171 ms

M9TPSi0pSEzO1o_PzEvWT0_NSy3KTM7PK8bOBAA.css

250 ms

M9TPSi0pSEzO1k8uLoaxdQz1U0t1k_PzszNTdXMSy8FyxSWVOakA.css

182 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 40% of them (21 requests) were addressed to the original Clarkson.it, 21% (11 requests) were made to Pixel.wp.com and 9% (5 requests) were made to Api.pinterest.com. The less responsive or slowest element that took the longest time to load (564 ms) belongs to the original domain Clarkson.it.

Page Optimization Overview & Recommendations

Page size can be reduced by 619.9 kB (37%)

Content Size

1.7 MB

After Optimization

1.1 MB

In fact, the total size of Clarkson.it main page is 1.7 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. 50% of websites need less resources to load. Images take 877.4 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 46.3 kB

  • Original 58.0 kB
  • After minification 55.1 kB
  • After compression 11.7 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 46.3 kB or 80% of the original size.

Image Optimization

-7%

Potential reduce by 58.3 kB

  • Original 877.4 kB
  • After minification 819.1 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. Clarkson images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 366.2 kB

  • Original 556.0 kB
  • After minification 555.3 kB
  • After compression 189.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 366.2 kB or 66% of the original size.

CSS Optimization

-76%

Potential reduce by 149.1 kB

  • Original 195.0 kB
  • After minification 189.8 kB
  • After compression 45.8 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. Clarkson.it needs all CSS files to be minified and compressed as it can save up to 149.1 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (69%)

Requests Now

49

After Optimization

15

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Clarkson. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

clarkson.it accessibility score

76

Accessibility Issues

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-*] attributes do not match their roles

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

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

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

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

clarkson.it best practices score

83

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

Page has valid source maps

SEO Factors

clarkson.it SEO score

84

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

High

Tap targets are not sized appropriately

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 Clarkson.it 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 Clarkson.it 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 Clarkson. 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: