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hao.blackboard.nl screenshot

Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

hao.blackboard.nl

Page Load Speed

5.2 sec in total

First Response

367 ms

Resources Loaded

4.6 sec

Page Rendered

204 ms

hao.blackboard.nl screenshot

About Website

Visit hao.blackboard.nl now to see the best up-to-date Hao Blackboard content for Netherlands and also check out these interesting facts you probably never knew about hao.blackboard.nl

Visit hao.blackboard.nl

Key Findings

We analyzed Hao.blackboard.nl page load time and found that the first response time was 367 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

hao.blackboard.nl performance score

0

Network Requests Diagram

frameset.jsp

367 ms

shared.css

254 ms

theme.css

274 ms

brand.css

508 ms

i18n.js

276 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 92% of them (46 requests) were addressed to the original Hao.blackboard.nl, 6% (3 requests) were made to Youtube.com and 2% (1 request) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Hao.blackboard.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.9 MB (84%)

Content Size

2.2 MB

After Optimization

366.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Hao.blackboard.nl main page is 2.2 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. 35% of websites need less resources to load. Javascripts take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 20.0 kB

  • Original 26.5 kB
  • After minification 25.6 kB
  • After compression 6.4 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 20.0 kB or 76% of the original size.

Image Optimization

-25%

Potential reduce by 3.3 kB

  • Original 13.1 kB
  • After minification 9.8 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, Hao Blackboard needs image optimization as it can save up to 3.3 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-85%

Potential reduce by 1.6 MB

  • Original 1.9 MB
  • After minification 1.2 MB
  • After compression 291.3 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 1.6 MB or 85% of the original size.

CSS Optimization

-80%

Potential reduce by 239.8 kB

  • Original 299.2 kB
  • After minification 280.2 kB
  • After compression 59.4 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. Hao.blackboard.nl needs all CSS files to be minified and compressed as it can save up to 239.8 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 35 (71%)

Requests Now

49

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hao Blackboard. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

frameset.jsp

frameset.jsp

367 ms

shared.css

shared.css

254 ms

theme.css

theme.css

274 ms

brand.css

brand.css

508 ms

i18n.js

i18n.js

276 ms

AD95B1BA073124F05C528D15C09B0690.js

AD95B1BA073124F05C528D15C09B0690.js

1343 ms

UserDataDWRFacade.js

UserDataDWRFacade.js

254 ms

46D81EC8E49EB07D2F57F9652F75946A.js

46D81EC8E49EB07D2F57F9652F75946A.js

556 ms

lightbox.js

lightbox.js

544 ms

welcomeOverlay.js

welcomeOverlay.js

298 ms

social.js

social.js

423 ms

ProfileProviderService.js

ProfileProviderService.js

384 ms

engine.js

engine.js

684 ms

util.js

util.js

716 ms

ToolActivityService.js

ToolActivityService.js

513 ms

tool_service.js

tool_service.js

770 ms

theme1.css

theme1.css

773 ms

theme2.css

theme2.css

446 ms

iframe_api

iframe_api

44 ms

topframe

topframe

187 ms

tabAction

tabAction

285 ms

ax-links.png

ax-links.png

188 ms

home_0.gif

home_0.gif

189 ms

help_0.gif

help_0.gif

190 ms

logout_0.gif

logout_0.gif

186 ms

x_btn.png

x_btn.png

262 ms

www-widgetapi.js

www-widgetapi.js

27 ms

C7CF16066A71C3BDBBB86811F0B47538.js

C7CF16066A71C3BDBBB86811F0B47538.js

671 ms

MashupDWRFacade.js

MashupDWRFacade.js

102 ms

esapi-compressed.js

esapi-compressed.js

173 ms

ESAPI_Standard_en_US.properties.js

ESAPI_Standard_en_US.properties.js

103 ms

Base.esapi.properties.js

Base.esapi.properties.js

159 ms

F83977954EA671D35539E51DFA3345EB.js

F83977954EA671D35539E51DFA3345EB.js

321 ms

7264A643D9CD5F7F732A5C42AC6AA930.js

7264A643D9CD5F7F732A5C42AC6AA930.js

449 ms

secondaryTabs.js

secondaryTabs.js

92 ms

D07EB9D30053D361507C0EB8AFF361EF.js

D07EB9D30053D361507C0EB8AFF361EF.js

178 ms

portalmodule.js

portalmodule.js

159 ms

A840E541A69BDA909B03C4FBC074657D.js

A840E541A69BDA909B03C4FBC074657D.js

235 ms

iframe_api

iframe_api

25 ms

backgrounds_h.png

backgrounds_h.png

129 ms

fonts.gif

fonts.gif

145 ms

contrast.gif

contrast.gif

144 ms

Logo_CAH_bew.jpg

Logo_CAH_bew.jpg

145 ms

vilentum_logo2.jpg

vilentum_logo2.jpg

137 ms

HASlogo2012_NL_250x172.jpg

HASlogo2012_NL_250x172.jpg

164 ms

iframe_api

iframe_api

20 ms

Transparant_300_by_45_px.gif

Transparant_300_by_45_px.gif

110 ms

Logo_BBmobile.JPG

Logo_BBmobile.JPG

277 ms

tabAction

tabAction

475 ms

print.css

print.css

104 ms

SEO Factors

hao.blackboard.nl SEO score

0

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Hao.blackboard.nl can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Hao.blackboard.nl 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

hao.blackboard.nl

Open Graph description is not detected on the main page of Hao Blackboard. 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: