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    Performance

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    Accessibility

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    Best Practices

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    SEO

worldheritage.org

World Heritage Encyclopedia

Page Load Speed

112.7 sec in total

First Response

13.2 sec

Resources Loaded

98.5 sec

Page Rendered

990 ms

worldheritage.org screenshot

About Website

Click here to check amazing World Heritage content for Russia. Otherwise, check out these important facts you probably never knew about worldheritage.org

World Heritage Encyclopedia, the aggregation of the largest online encyclopedias available, and the most definitive collection ever assembled.

Visit worldheritage.org

Key Findings

We analyzed Worldheritage.org page load time and found that the first response time was 13.2 sec and then it took 99.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 126 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

worldheritage.org performance score

0

Network Requests Diagram

worldheritage.org

13170 ms

bootstrap_14_04_14.min.css

19563 ms

style_16_09_27.css

14415 ms

jquery-ui-1.10.4.custom.min.css

14428 ms

prettyPhoto_14_04_14.css

9101 ms

Our browser made a total of 156 requests to load all elements on the main page. We found that 71% of them (110 requests) were addressed to the original Worldheritage.org, 28% (43 requests) were made to Cdn.worldheritage.org and 1% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain Worldheritage.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 102.3 kB (45%)

Content Size

226.0 kB

After Optimization

123.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Worldheritage.org main page is 226.0 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. Javascripts take 114.5 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 76.1 kB

  • Original 87.5 kB
  • After minification 72.1 kB
  • After compression 11.4 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. This page needs HTML code to be minified as it can gain 15.4 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 76.1 kB or 87% of the original size.

Image Optimization

-89%

Potential reduce by 4.5 kB

  • Original 5.1 kB
  • After minification 545 B

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, World Heritage needs image optimization as it can save up to 4.5 kB or 89% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-6%

Potential reduce by 7.0 kB

  • Original 114.5 kB
  • After minification 114.4 kB
  • After compression 107.5 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

-77%

Potential reduce by 14.6 kB

  • Original 18.9 kB
  • After minification 18.8 kB
  • After compression 4.3 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. Worldheritage.org needs all CSS files to be minified and compressed as it can save up to 14.6 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (60%)

Requests Now

25

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of World Heritage. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

worldheritage.org

worldheritage.org

13170 ms

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SEO Factors

worldheritage.org SEO score

0

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 Worldheritage.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 Worldheritage.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

worldheritage.org

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