Report Summary

  • 92

    Performance

    Renders faster than
    92% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

coherentgraphics.co.uk

PDF Command Line Tools and API for Java, .NET, C, C++, Python and JavaScript

Page Load Speed

1.7 sec in total

First Response

295 ms

Resources Loaded

1.3 sec

Page Rendered

91 ms

coherentgraphics.co.uk screenshot

About Website

Welcome to coherentgraphics.co.uk homepage info - get ready to check Coherentgraphics best content right away, or after learning these important things about coherentgraphics.co.uk

PDF Command Line Tools : Split, Merge, Encrypt, Scale, Stamp, Bookmark, Add Text etc. Windows, Mac and Linux. Get Free Trial

Visit coherentgraphics.co.uk

Key Findings

We analyzed Coherentgraphics.co.uk page load time and found that the first response time was 295 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

coherentgraphics.co.uk performance score

92

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

71/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

92/100

25%

SI (Speed Index)

Value3.4 s

89/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value4.2 s

86/100

10%

Network Requests Diagram

coherentgraphics.co.uk

295 ms

www.coherentpdf.com

659 ms

stylesheet.css

85 ms

ga.js

7 ms

cpdfbanner.png

247 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that 7% of them (1 request) were addressed to the original Coherentgraphics.co.uk, 53% (8 requests) were made to Coherentpdf.com and 20% (3 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (659 ms) relates to the external source Coherentpdf.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 27.0 kB (23%)

Content Size

117.4 kB

After Optimization

90.4 kB

In fact, the total size of Coherentgraphics.co.uk main page is 117.4 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. Only 10% of websites need less resources to load. Images take 85.8 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 9.9 kB

  • Original 14.1 kB
  • After minification 11.9 kB
  • After compression 4.2 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 2.2 kB, which is 15% 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 9.9 kB or 70% of the original size.

Image Optimization

-20%

Potential reduce by 17.0 kB

  • Original 85.8 kB
  • After minification 68.8 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. Obviously, Coherentgraphics needs image optimization as it can save up to 17.0 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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

-14%

Potential reduce by 37 B

  • Original 274 B
  • After minification 274 B
  • After compression 237 B

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. Coherentgraphics.co.uk needs all CSS files to be minified and compressed as it can save up to 37 B or 14% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

13

After Optimization

13

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Coherentgraphics. According to our analytics all requests are already optimized.

Accessibility Review

coherentgraphics.co.uk accessibility score

97

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.

Best Practices

coherentgraphics.co.uk best practices score

50

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

coherentgraphics.co.uk SEO score

98

Search Engine Optimization Advices

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 Coherentgraphics.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 Coherentgraphics.co.uk 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

Open Graph description is not detected on the main page of Coherentgraphics. 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: