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brittanica.com screenshot

Report Summary

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    Performance

  • 0

    Accessibility

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    Best Practices

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    SEO

brittanica.com

Encyclopedia Britannica | Britannica

Page Load Speed

2 sec in total

First Response

105 ms

Resources Loaded

1.3 sec

Page Rendered

505 ms

brittanica.com screenshot

About Website

Click here to check amazing Brittanica content. Otherwise, check out these important facts you probably never knew about brittanica.com

Explore the fact-checked online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of objective articles, biographies, videos, and images from experts.

Visit brittanica.com

Key Findings

We analyzed Brittanica.com page load time and found that the first response time was 105 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

brittanica.com performance score

0

Network Requests Diagram

brittanica.com

105 ms

www.britannica.com

312 ms

css

27 ms

A.libs,,_reset.css+min-mendel.css,,qv==2.43.70,Mcc.ZTTzI5YtJz.css.pagespeed.cf.HC79BcyyWK.css

90 ms

font-awesome.min.css

7 ms

Our browser made a total of 89 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Brittanica.com, 37% (33 requests) were made to Media-2.web.britannica.com and 13% (12 requests) were made to Britannica.com. The less responsive or slowest element that took the longest time to load (312 ms) relates to the external source Britannica.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 769.9 kB (38%)

Content Size

2.0 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Brittanica.com main page is 2.0 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. 70% of websites need less resources to load. Images take 917.9 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 63.7 kB

  • Original 90.8 kB
  • After minification 90.7 kB
  • After compression 27.1 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 63.7 kB or 70% of the original size.

Image Optimization

-1%

Potential reduce by 6.1 kB

  • Original 917.9 kB
  • After minification 911.7 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. Brittanica images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 432.1 kB

  • Original 689.8 kB
  • After minification 688.3 kB
  • After compression 257.7 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 432.1 kB or 63% of the original size.

CSS Optimization

-81%

Potential reduce by 268.0 kB

  • Original 331.5 kB
  • After minification 331.0 kB
  • After compression 63.5 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. Brittanica.com needs all CSS files to be minified and compressed as it can save up to 268.0 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (33%)

Requests Now

79

After Optimization

53

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Brittanica. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

brittanica.com

brittanica.com

105 ms

www.britannica.com

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312 ms

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27 ms

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SEO Factors

brittanica.com 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 Brittanica.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 Brittanica.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

brittanica.com

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