Report Summary

  • 71

    Performance

    Renders faster than
    82% of other websites

  • 51

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

sirfrancisronalds.co.uk

Sir Francis Ronalds | The first electrical engineer

Page Load Speed

4.7 sec in total

First Response

639 ms

Resources Loaded

2.5 sec

Page Rendered

1.5 sec

sirfrancisronalds.co.uk screenshot

About Website

Welcome to sirfrancisronalds.co.uk homepage info - get ready to check Sir Francis Ronalds best content right away, or after learning these important things about sirfrancisronalds.co.uk

Summarising the achievements of Sir Francis Ronalds, a 19th century English scientist and engineer who invented the first working electric telegraph

Visit sirfrancisronalds.co.uk

Key Findings

We analyzed Sirfrancisronalds.co.uk page load time and found that the first response time was 639 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

sirfrancisronalds.co.uk performance score

71

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

92/100

10%

LCP (Largest Contentful Paint)

Value1.7 s

99/100

25%

SI (Speed Index)

Value2.8 s

96/100

10%

TBT (Total Blocking Time)

Value950 ms

29/100

30%

CLS (Cumulative Layout Shift)

Value0.201

62/100

15%

TTI (Time to Interactive)

Value3.4 s

93/100

10%

Network Requests Diagram

sirfrancisronalds.co.uk

639 ms

default.css

211 ms

analytics.js

16 ms

tgframe.gif

221 ms

book.jpg

623 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that 82% of them (9 requests) were addressed to the original Sirfrancisronalds.co.uk, 18% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Sirfrancisronalds.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 85.8 kB (12%)

Content Size

734.2 kB

After Optimization

648.4 kB

In fact, the total size of Sirfrancisronalds.co.uk main page is 734.2 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. 20% of websites need less resources to load. Images take 682.4 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 9.3 kB

  • Original 14.2 kB
  • After minification 12.9 kB
  • After compression 4.8 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 9.3 kB or 66% of the original size.

Image Optimization

-9%

Potential reduce by 62.0 kB

  • Original 682.4 kB
  • After minification 620.3 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. Sir Francis Ronalds images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 21.0 kB
  • After minification 21.0 kB
  • After compression 20.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-86%

Potential reduce by 14.4 kB

  • Original 16.7 kB
  • After minification 8.4 kB
  • After compression 2.3 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. Sirfrancisronalds.co.uk needs all CSS files to be minified and compressed as it can save up to 14.4 kB or 86% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

10

After Optimization

10

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sir Francis Ronalds. According to our analytics all requests are already optimized.

Accessibility Review

sirfrancisronalds.co.uk accessibility score

51

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

sirfrancisronalds.co.uk best practices score

83

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

SEO Factors

sirfrancisronalds.co.uk SEO score

58

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sirfrancisronalds.co.uk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Sirfrancisronalds.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 Sir Francis Ronalds. 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: