Report Summary

  • 90

    Performance

    Renders faster than
    91% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

simplyinvoice.co.uk

Invoice Software UK - Professional invoicing and stock control system

Page Load Speed

1.6 sec in total

First Response

262 ms

Resources Loaded

1.1 sec

Page Rendered

217 ms

simplyinvoice.co.uk screenshot

About Website

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

Simply Invoice software is a simple to use professional invoicing software solution. It includes quotes, invoices, contact management and stock control systems.

Visit simplyinvoice.co.uk

Key Findings

We analyzed Simplyinvoice.co.uk page load time and found that the first response time was 262 ms and then it took 1.3 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

simplyinvoice.co.uk performance score

90

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

87/100

25%

SI (Speed Index)

Value3.0 s

94/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.2 s

86/100

10%

Network Requests Diagram

simplyinvoice.co.uk

262 ms

www.simplyinvoice.co.uk

334 ms

stylesheet.css

155 ms

menu.css

162 ms

jquery.fancybox-1.3.4.css

172 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 52% of them (15 requests) were addressed to the original Simplyinvoice.co.uk, 31% (9 requests) were made to Apis.google.com and 7% (2 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (426 ms) belongs to the original domain Simplyinvoice.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 250.3 kB (65%)

Content Size

382.4 kB

After Optimization

132.1 kB

In fact, the total size of Simplyinvoice.co.uk main page is 382.4 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. 40% of websites need less resources to load. Javascripts take 192.2 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 17.3 kB

  • Original 23.1 kB
  • After minification 19.8 kB
  • After compression 5.7 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. This page needs HTML code to be minified as it can gain 3.3 kB, which is 14% 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 17.3 kB or 75% of the original size.

Image Optimization

-9%

Potential reduce by 2.7 kB

  • Original 29.5 kB
  • After minification 26.8 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. Simply Invoice images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 115.3 kB

  • Original 192.2 kB
  • After minification 188.3 kB
  • After compression 76.9 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 115.3 kB or 60% of the original size.

CSS Optimization

-84%

Potential reduce by 115.0 kB

  • Original 137.6 kB
  • After minification 133.6 kB
  • After compression 22.6 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. Simplyinvoice.co.uk needs all CSS files to be minified and compressed as it can save up to 115.0 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (59%)

Requests Now

27

After Optimization

11

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Simply Invoice. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

simplyinvoice.co.uk accessibility score

94

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

Links do not have a discernible name

Best Practices

simplyinvoice.co.uk 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

simplyinvoice.co.uk SEO score

86

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Simplyinvoice.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 Simplyinvoice.co.uk main page’s claimed encoding is iso-8859-1. 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 data is detected on the main page of Simply Invoice. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: