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ess.r-project.org screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

ess.r-project.org

ESS - Emacs Speaks Statistics

Page Load Speed

2.4 sec in total

First Response

971 ms

Resources Loaded

1.3 sec

Page Rendered

136 ms

ess.r-project.org screenshot

About Website

Click here to check amazing ESS R Project content for China. Otherwise, check out these important facts you probably never knew about ess.r-project.org

Visit ess.r-project.org

Key Findings

We analyzed Ess.r-project.org page load time and found that the first response time was 971 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

ess.r-project.org performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.2 s

99/100

10%

LCP (Largest Contentful Paint)

Value1.2 s

100/100

25%

SI (Speed Index)

Value2.0 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.2 s

100/100

10%

Network Requests Diagram

ess.r-project.org

971 ms

basic2.css

100 ms

tabs2.css

200 ms

bacheca.css

198 ms

icons.css

198 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that all of those requests were addressed to Ess.r-project.org and no external sources were called. The less responsive or slowest element that took the longest time to load (971 ms) belongs to the original domain Ess.r-project.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 8.1 kB (67%)

Content Size

12.1 kB

After Optimization

4.0 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Ess.r-project.org main page is 12.1 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. CSS take 7.0 kB which makes up the majority of the site volume.

HTML Optimization

-61%

Potential reduce by 2.9 kB

  • Original 4.7 kB
  • After minification 4.4 kB
  • After compression 1.8 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. 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 2.9 kB or 61% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 391 B
  • After minification 391 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. ESS R Project images are well optimized though.

CSS Optimization

-74%

Potential reduce by 5.2 kB

  • Original 7.0 kB
  • After minification 5.0 kB
  • After compression 1.8 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. Ess.r-project.org needs all CSS files to be minified and compressed as it can save up to 5.2 kB or 74% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (50%)

Requests Now

6

After Optimization

3

  • Images
  • CSS

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ESS R Project. 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 CSS and as a result speed up the page load time.

Network Requests Diagram

ess.r-project.org

ess.r-project.org

971 ms

basic2.css

basic2.css

100 ms

tabs2.css

tabs2.css

200 ms

bacheca.css

bacheca.css

198 ms

icons.css

icons.css

198 ms

logoESS.gif

logoESS.gif

200 ms

icon_mailto.png

icon_mailto.png

100 ms

Accessibility Review

ess.r-project.org accessibility score

100

Accessibility Issues

Best Practices

ess.r-project.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

Displays images with incorrect aspect ratio

SEO Factors

ess.r-project.org SEO score

67

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ess.r-project.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 Ess.r-project.org main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

ess.r-project.org

Open Graph description is not detected on the main page of ESS R Project. 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: