4.2 sec in total
883 ms
3 sec
280 ms
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.ukWe analyzed Sirfrancisronalds.co.uk page load time and found that the first response time was 883 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
sirfrancisronalds.co.uk performance score
name
value
score
weighting
Value2.7 s
58/100
10%
Value3.0 s
79/100
25%
Value3.7 s
85/100
10%
Value130 ms
96/100
30%
Value0.201
62/100
15%
Value3.6 s
91/100
10%
883 ms
89 ms
423 ms
29 ms
214 ms
Our browser made a total of 12 requests to load all elements on the main page. We found that 75% of them (9 requests) were addressed to the original Sirfrancisronalds.co.uk, 17% (2 requests) were made to Google-analytics.com and 8% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Sirfrancisronalds.co.uk.
Page size can be reduced by 24.0 kB (44%)
54.0 kB
30.0 kB
In fact, the total size of Sirfrancisronalds.co.uk main page is 54.0 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. Javascripts take 21.0 kB which makes up the majority of the site volume.
Potential reduce by 9.6 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 9.6 kB or 65% of the original size.
Potential reduce by 0 B
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.
Potential reduce by 50 B
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.
Potential reduce by 14.4 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.
We found no issues to fix!
11
11
The browser has sent 11 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.
sirfrancisronalds.co.uk
883 ms
js
89 ms
default.css
423 ms
analytics.js
29 ms
tgframe.gif
214 ms
book.jpg
422 ms
ram0.jpg
1262 ms
pdf0.png
634 ms
dol0.jpg
1699 ms
sig0.jpg
639 ms
collect
13 ms
print.css
215 ms
sirfrancisronalds.co.uk accessibility score
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
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
<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
Image elements do not have [alt] attributes
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
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
sirfrancisronalds.co.uk best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
sirfrancisronalds.co.uk SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Image elements do not have [alt] attributes
EN
N/A
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.
sirfrancisronalds.co.uk
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: