1 sec in total
454 ms
461 ms
123 ms
Welcome to rnsubs.co.uk homepage info - get ready to check Rnsubs best content right away, or after learning these important things about rnsubs.co.uk
Vickers and Barrow are names synonymous with the development of the submarine. Hundreds of submarines covering virtually every class have been built for the Royal Navy and foreign Navies. This site is...
Visit rnsubs.co.ukWe analyzed Rnsubs.co.uk page load time and found that the first response time was 454 ms and then it took 584 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.
rnsubs.co.uk performance score
name
value
score
weighting
Value1.9 s
88/100
10%
Value2.2 s
95/100
25%
Value3.2 s
92/100
10%
Value100 ms
98/100
30%
Value0.025
100/100
15%
Value3.6 s
91/100
10%
454 ms
Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Rnsubs.co.uk and no external sources were called. The less responsive or slowest element that took the longest time to load (454 ms) belongs to the original domain Rnsubs.co.uk.
Page size can be reduced by 650 B (62%)
1.1 kB
402 B
In fact, the total size of Rnsubs.co.uk main page is 1.1 kB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 1.1 kB which makes up the majority of the site volume.
Potential reduce by 650 B
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 365 B, which is 35% 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 650 B or 62% of the original size.
We found no issues to fix!
0
0
Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.
rnsubs.co.uk
454 ms
rnsubs.co.uk accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
Form elements do not have associated labels
Links do not have a discernible name
rnsubs.co.uk best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
rnsubs.co.uk SEO score
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rnsubs.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 Rnsubs.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.
rnsubs.co.uk
Open Graph description is not detected on the main page of Rnsubs. 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: