Tools & Wizards About Us
riscosopen.org screenshot

Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 50

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

riscosopen.org

RISC OS Open: Welcome

Page Load Speed

2.8 sec in total

First Response

344 ms

Resources Loaded

2.3 sec

Page Rendered

150 ms

riscosopen.org screenshot

About Website

Visit riscosopen.org now to see the best up-to-date RISC OS Open content for United States and also check out these interesting facts you probably never knew about riscosopen.org

Visit riscosopen.org

Key Findings

We analyzed Riscosopen.org page load time and found that the first response time was 344 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

riscosopen.org performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

93/100

10%

LCP (Largest Contentful Paint)

Value1.7 s

99/100

25%

SI (Speed Index)

Value3.3 s

90/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value1.7 s

100/100

10%

Network Requests Diagram

riscosopen.org

344 ms

www.riscosopen.org

572 ms

919 ms

risc_os_open_2011.css

79 ms

rool_text_reflect.png

228 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that all of those requests were addressed to Riscosopen.org and no external sources were called. The less responsive or slowest element that took the longest time to load (919 ms) belongs to the original domain Riscosopen.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 19.2 kB (19%)

Content Size

103.3 kB

After Optimization

84.1 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Riscosopen.org main page is 103.3 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. Only 10% of websites need less resources to load. Images take 79.2 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 8.4 kB

  • Original 11.2 kB
  • After minification 9.1 kB
  • After compression 2.8 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 2.0 kB, which is 18% 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 8.4 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 18 B

  • Original 79.2 kB
  • After minification 79.1 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. RISC OS Open images are well optimized though.

CSS Optimization

-83%

Potential reduce by 10.8 kB

  • Original 13.0 kB
  • After minification 7.7 kB
  • After compression 2.2 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. Riscosopen.org needs all CSS files to be minified and compressed as it can save up to 10.8 kB or 83% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

12

After Optimization

12

  • Images
  • CSS

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RISC OS Open. According to our analytics all requests are already optimized.

Network Requests Diagram

riscosopen.org

riscosopen.org

344 ms

www.riscosopen.org

www.riscosopen.org

572 ms

919 ms

risc_os_open_2011.css

risc_os_open_2011.css

79 ms

rool_text_reflect.png

rool_text_reflect.png

228 ms

rool_cog_reflect.png

rool_cog_reflect.png

308 ms

login_indication

login_indication

397 ms

facebook_sm.png

facebook_sm.png

391 ms

twitter_sm.png

twitter_sm.png

413 ms

sdfs.png

sdfs.png

439 ms

top_fade.png

top_fade.png

375 ms

bottom_fade.png

bottom_fade.png

382 ms

button_fade.png

button_fade.png

387 ms

castle_shield_reflect.png

castle_shield_reflect.png

400 ms

shadow_ftr.png

shadow_ftr.png

403 ms

Accessibility Review

riscosopen.org accessibility score

50

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

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

High

<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

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

riscosopen.org best practices score

75

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

Serves images with low resolution

SEO Factors

riscosopen.org SEO score

54

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

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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

riscosopen.org

Open Graph description is not detected on the main page of RISC OS Open. 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: