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Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

blackmarble.com

Black Marble

Page Load Speed

19.8 sec in total

First Response

69 ms

Resources Loaded

964 ms

Page Rendered

18.8 sec

blackmarble.com screenshot

About Website

Welcome to blackmarble.com homepage info - get ready to check Black Marble best content for Spain right away, or after learning these important things about blackmarble.com

Cloud Integration, UWP, Xamarin, Azure DevOps, Azure, BizTalk, tuServ, HoloLens, App Modernisation, Project Rescue, Migration to the Cloud

Visit blackmarble.com

Key Findings

We analyzed Blackmarble.com page load time and found that the first response time was 69 ms and then it took 19.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

blackmarble.com performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

62/100

10%

LCP (Largest Contentful Paint)

Value39.9 s

0/100

25%

SI (Speed Index)

Value4.0 s

80/100

10%

TBT (Total Blocking Time)

Value1,550 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.974

2/100

15%

TTI (Time to Interactive)

Value10.1 s

26/100

10%

Network Requests Diagram

blackmarble.com

69 ms

js

56 ms

base.f35c1a28e8a87ab4f5bd011149818d57a3e48c18556ae479fa2cacdcb4b0a9df.css

76 ms

desktop.c5b3e4e4e22f056e0aab9c0b5b8b90efa3afcf1605e66fa65d8f5ec40b4b4204.css

81 ms

tablet.6aa68361d9ba75be72eb738d697a49710deb92d2f001ac7199c96893f6c72ddd.css

77 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 72% of them (52 requests) were addressed to the original Blackmarble.com, 18% (13 requests) were made to R.bing.com and 3% (2 requests) were made to Bing.com. The less responsive or slowest element that took the longest time to load (619 ms) belongs to the original domain Blackmarble.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.6 MB (10%)

Content Size

15.5 MB

After Optimization

13.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Blackmarble.com main page is 15.5 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. Only a small number of websites need less resources to load. Images take 15.4 MB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 20.7 kB

  • Original 28.3 kB
  • After minification 28.3 kB
  • After compression 7.6 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 20.7 kB or 73% of the original size.

Image Optimization

-10%

Potential reduce by 1.6 MB

  • Original 15.4 MB
  • After minification 13.8 MB

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. Black Marble images are well optimized though.

JavaScript Optimization

-19%

Potential reduce by 13.9 kB

  • Original 75.2 kB
  • After minification 75.2 kB
  • After compression 61.3 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 13.9 kB or 19% of the original size.

CSS Optimization

-24%

Potential reduce by 3.8 kB

  • Original 15.7 kB
  • After minification 15.7 kB
  • After compression 11.9 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.com needs all CSS files to be minified and compressed as it can save up to 3.8 kB or 24% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (46%)

Requests Now

68

After Optimization

37

  • Images
  • JavaScript
  • CSS

The browser has sent 68 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 19 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

blackmarble.com

blackmarble.com

69 ms

js

js

56 ms

base.f35c1a28e8a87ab4f5bd011149818d57a3e48c18556ae479fa2cacdcb4b0a9df.css

base.f35c1a28e8a87ab4f5bd011149818d57a3e48c18556ae479fa2cacdcb4b0a9df.css

76 ms

desktop.c5b3e4e4e22f056e0aab9c0b5b8b90efa3afcf1605e66fa65d8f5ec40b4b4204.css

desktop.c5b3e4e4e22f056e0aab9c0b5b8b90efa3afcf1605e66fa65d8f5ec40b4b4204.css

81 ms

tablet.6aa68361d9ba75be72eb738d697a49710deb92d2f001ac7199c96893f6c72ddd.css

tablet.6aa68361d9ba75be72eb738d697a49710deb92d2f001ac7199c96893f6c72ddd.css

77 ms

mobile.31928f254fbfe050481f4cfa5d1acd186592c3c897efbe70893a36bf216ecf91.css

mobile.31928f254fbfe050481f4cfa5d1acd186592c3c897efbe70893a36bf216ecf91.css

108 ms

slick.5085ad9d847eae3a25064821f66a46aa7cf8af1f6063f64f8b325ebc325192e0.css

slick.5085ad9d847eae3a25064821f66a46aa7cf8af1f6063f64f8b325ebc325192e0.css

79 ms

jquery-3.6.2.min.0efa44b0888a6cf53b81f9b13d6d55fc00e19bab55a7dc52f210527040c08f5f.js

jquery-3.6.2.min.0efa44b0888a6cf53b81f9b13d6d55fc00e19bab55a7dc52f210527040c08f5f.js

84 ms

slick.min.0761495cc245f0f404e26c9c4dd0a51c2dfadaaf07a145cf1127d99beb6dfcaa.js

slick.min.0761495cc245f0f404e26c9c4dd0a51c2dfadaaf07a145cf1127d99beb6dfcaa.js

129 ms

homepageFeatureResize.min.2f94737b3f7f6e0c95e59307caf289c791b02b384aa7c9934c91cc8160e152dd.js

homepageFeatureResize.min.2f94737b3f7f6e0c95e59307caf289c791b02b384aa7c9934c91cc8160e152dd.js

115 ms

tiled.min.1b7182935421038ad6ce6cf888b8283a58638cc381c3cba3eea944b49fc6ac5b.js

tiled.min.1b7182935421038ad6ce6cf888b8283a58638cc381c3cba3eea944b49fc6ac5b.js

131 ms

init.min.3e5bbd889ff2f763da1dddf3bc0d58de4e62254114f5f945771ef3f6f393b4d3.js

init.min.3e5bbd889ff2f763da1dddf3bc0d58de4e62254114f5f945771ef3f6f393b4d3.js

96 ms

mapcontrol

mapcontrol

37 ms

platform.js

platform.js

34 ms

bing-maps.min.d9731566c45b40f802a02ecc6b5b4647ef74cccbe1eda831bd06d73da9698902.js

bing-maps.min.d9731566c45b40f802a02ecc6b5b4647ef74cccbe1eda831bd06d73da9698902.js

106 ms

mapcontrol

mapcontrol

38 ms

css

css

20 ms

p_tVVIDtFZwwbpXXJkY65-xg6VU.gz.js

p_tVVIDtFZwwbpXXJkY65-xg6VU.gz.js

47 ms

7Lrd5Ag15IRatol1u3HCi7M4cWU.gz.js

7Lrd5Ag15IRatol1u3HCi7M4cWU.gz.js

71 ms

M_nddef76pTZonvIuGSd9JfSeI0.gz.js

M_nddef76pTZonvIuGSd9JfSeI0.gz.js

74 ms

G-2ibCp-DE7CDl6mLvXCQWdxnG8.css

G-2ibCp-DE7CDl6mLvXCQWdxnG8.css

83 ms

cN19z6aVN3_at-yFhcguxbfuDeI.gz.js

cN19z6aVN3_at-yFhcguxbfuDeI.gz.js

76 ms

tZPTL07eCaUsphPKNQp9xg8uEUo.gz.js

tZPTL07eCaUsphPKNQp9xg8uEUo.gz.js

86 ms

ozeskcCx0YpheYMIt7yIF9KMLqw.gz.js

ozeskcCx0YpheYMIt7yIF9KMLqw.gz.js

92 ms

uTuj2PJdp5RT9F8XvhqMrU3dC3A.gz.js

uTuj2PJdp5RT9F8XvhqMrU3dC3A.gz.js

99 ms

HD0okFS9Z7Zv9HfZ4uOA6pFisKw.gz.js

HD0okFS9Z7Zv9HfZ4uOA6pFisKw.gz.js

92 ms

HQClqcNw2586agHE4mexCVRPr_A.gz.css

HQClqcNw2586agHE4mexCVRPr_A.gz.css

100 ms

B8FCu48F1O8wGns_qMBVtcjHrvw.gz.js

B8FCu48F1O8wGns_qMBVtcjHrvw.gz.js

86 ms

logo.png

logo.png

27 ms

epTt_6IuHLs1GcO6kDyNF1yCj2w.gz.css

epTt_6IuHLs1GcO6kDyNF1yCj2w.gz.css

85 ms

mD1T6KU2AtemDTtRCPiHl4uHuk0.gz.js

mD1T6KU2AtemDTtRCPiHl4uHuk0.gz.js

97 ms

Header.png

Header.png

90 ms

migrating-biztalk-banner.png

migrating-biztalk-banner.png

92 ms

github-partner-image.png

github-partner-image.png

619 ms

building-a-robust-estate.png

building-a-robust-estate.png

90 ms

making-the-most-of-the-cloud.png

making-the-most-of-the-cloud.png

156 ms

solutioneering.png

solutioneering.png

105 ms

tuserv-banner.png

tuserv-banner.png

87 ms

establishing-development-best-practise.png

establishing-development-best-practise.png

101 ms

upcoming-events.png

upcoming-events.png

103 ms

azure.png

azure.png

130 ms

enterprise-app-integration.png

enterprise-app-integration.png

116 ms

building-a-robust-estate.png

building-a-robust-estate.png

118 ms

app-modernisation-innovation.png

app-modernisation-innovation.png

146 ms

github.png

github.png

117 ms

azure-devops.png

azure-devops.png

130 ms

microsoft-hololens.png

microsoft-hololens.png

132 ms

ai.png

ai.png

175 ms

app-dev.png

app-dev.png

156 ms

consultancy.png

consultancy.png

148 ms

our-approach.png

our-approach.png

194 ms

tuserv.png

tuserv.png

171 ms

user-experience.png

user-experience.png

232 ms

health-check.png

health-check.png

178 ms

retail-assist-rectangle-logo.png

retail-assist-rectangle-logo.png

183 ms

tuserv-hero.jpg

tuserv-hero.jpg

248 ms

alder-hey-nhs-logo.png

alder-hey-nhs-logo.png

196 ms

tfgm_sq.png

tfgm_sq.png

194 ms

btl_squaretile.jpg

btl_squaretile.jpg

265 ms

events.png

events.png

217 ms

about.png

about.png

205 ms

news.png

news.png

308 ms

partner-logos.png

partner-logos.png

248 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

18 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

18 ms

Car.png

Car.png

186 ms

Parking-Sign.png

Parking-Sign.png

195 ms

Train.png

Train.png

164 ms

Hotel.png

Hotel.png

193 ms

Phone.png

Phone.png

221 ms

Email.png

Email.png

226 ms

Location.png

Location.png

209 ms

Accessibility Review

blackmarble.com accessibility score

90

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

blackmarble.com best practices score

67

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

blackmarble.com SEO score

90

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

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Blackmarble.com 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 Blackmarble.com 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

blackmarble.com

Open Graph data is detected on the main page of Black Marble. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: