Report Summary

  • 93

    Performance

    Renders faster than
    92% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 72

    SEO

    Google-friendlier than
    31% of websites

opendefinition.org

The Open Definition - Open Definition - Defining Open in Open Data, Open Content and Open Knowledge

Page Load Speed

1.2 sec in total

First Response

102 ms

Resources Loaded

748 ms

Page Rendered

386 ms

opendefinition.org screenshot

About Website

Visit opendefinition.org now to see the best up-to-date Open Definition content for Indonesia and also check out these interesting facts you probably never knew about opendefinition.org

The Open Definition - Open Definition - Defining Open in Open Data, Open Content and Open Knowledge

Visit opendefinition.org

Key Findings

We analyzed Opendefinition.org page load time and found that the first response time was 102 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

opendefinition.org performance score

93

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

91/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

89/100

25%

SI (Speed Index)

Value1.7 s

100/100

10%

TBT (Total Blocking Time)

Value180 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value2.4 s

98/100

10%

Network Requests Diagram

opendefinition.org

102 ms

okf-panel.css

71 ms

bootstrap.min.css

19 ms

font-awesome.css

60 ms

style.css

74 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 8% of them (2 requests) were addressed to the original Opendefinition.org, 32% (8 requests) were made to Assets.okfn.org and 24% (6 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (194 ms) relates to the external source Ajax.googleapis.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 223.0 kB (74%)

Content Size

300.6 kB

After Optimization

77.7 kB

In fact, the total size of Opendefinition.org main page is 300.6 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. 40% of websites need less resources to load. CSS take 254.7 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 4.9 kB

  • Original 7.3 kB
  • After minification 6.6 kB
  • After compression 2.5 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 4.9 kB or 66% of the original size.

Image Optimization

-21%

Potential reduce by 3.8 kB

  • Original 18.5 kB
  • After minification 14.6 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, Open Definition needs image optimization as it can save up to 3.8 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-10%

Potential reduce by 1.9 kB

  • Original 20.2 kB
  • After minification 20.0 kB
  • After compression 18.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-83%

Potential reduce by 212.4 kB

  • Original 254.7 kB
  • After minification 243.6 kB
  • After compression 42.3 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. Opendefinition.org needs all CSS files to be minified and compressed as it can save up to 212.4 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (56%)

Requests Now

18

After Optimization

8

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Open Definition. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

opendefinition.org accessibility score

74

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

opendefinition.org best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

opendefinition.org SEO score

72

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 doesn't use 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 Opendefinition.org 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 Opendefinition.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

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