6 sec in total
1.6 sec
3.9 sec
569 ms
Click here to check amazing Black Marble content for United States. Otherwise, check out these important facts you probably never knew about blackmarble.co.uk
Cloud Integration, UWP, Xamarin, Azure DevOps, Azure, BizTalk, tuServ, HoloLens, App Modernisation, Project Rescue, Migration to the Cloud
Visit blackmarble.co.ukWe analyzed Blackmarble.co.uk page load time and found that the first response time was 1.6 sec and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster. This domain responded with an error, which can significantly jeopardize Blackmarble.co.uk rating and web reputation
blackmarble.co.uk performance score
name
value
score
weighting
Value5.7 s
5/100
10%
Value28.3 s
0/100
25%
Value8.7 s
16/100
10%
Value540 ms
55/100
30%
Value0.984
2/100
15%
Value23.2 s
1/100
10%
1554 ms
169 ms
176 ms
199 ms
195 ms
Our browser made a total of 112 requests to load all elements on the main page. We found that 54% of them (61 requests) were addressed to the original Blackmarble.co.uk, 9% (10 requests) were made to Ecn.dev.virtualearth.net and 8% (9 requests) were made to Ak.dynamic.t1.tiles.virtualearth.net. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Blackmarble.co.uk.
Page size can be reduced by 1.4 MB (35%)
3.9 MB
2.5 MB
In fact, the total size of Blackmarble.co.uk main page is 3.9 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 60% of websites need less resources to load. Images take 2.7 MB which makes up the majority of the site volume.
Potential reduce by 76.0 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 16.7 kB, which is 20% 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 76.0 kB or 90% of the original size.
Potential reduce by 470.0 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, Black Marble needs image optimization as it can save up to 470.0 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 663.6 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 663.6 kB or 71% of the original size.
Potential reduce by 161.2 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. Blackmarble.co.uk needs all CSS files to be minified and compressed as it can save up to 161.2 kB or 88% of the original size.
Number of requests can be reduced by 34 (32%)
106
72
The browser has sent 106 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Black Marble. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
blackmarble.co.uk
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blackmarble.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.
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
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
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
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
blackmarble.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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
Issues were logged in the Issues panel in Chrome Devtools
blackmarble.co.uk SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Blackmarble.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 Blackmarble.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.
blackmarble.co.uk
Open Graph description is not detected on the main page of Black Marble. 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: