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zimbra.org screenshot

Report Summary

  • 69

    Performance

    Renders faster than
    80% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 81

    SEO

    Google-friendlier than
    42% of websites

zimbra.org

Zimbra Forums - Index page

Page Load Speed

671 ms in total

First Response

83 ms

Resources Loaded

365 ms

Page Rendered

223 ms

zimbra.org screenshot

About Website

Welcome to zimbra.org homepage info - get ready to check Zimbra best content for United States right away, or after learning these important things about zimbra.org

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Key Findings

We analyzed Zimbra.org page load time and found that the first response time was 83 ms and then it took 588 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

zimbra.org performance score

69

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value3.2 s

92/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.115

86/100

15%

TTI (Time to Interactive)

Value4.0 s

88/100

10%

Network Requests Diagram

forums.zimbra.org

83 ms

font-awesome.min.css

6 ms

stylesheet.css

12 ms

stylesheet.css

23 ms

jquery-3.6.0.min.js

19 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that all of those requests were addressed to Zimbra.org and no external sources were called. The less responsive or slowest element that took the longest time to load (83 ms) relates to the external source Forums.zimbra.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 313.2 kB (37%)

Content Size

856.7 kB

After Optimization

543.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zimbra.org main page is 856.7 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. 45% of websites need less resources to load. Images take 471.3 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 65.6 kB

  • Original 74.3 kB
  • After minification 53.5 kB
  • After compression 8.6 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 20.8 kB, which is 28% 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 65.6 kB or 88% of the original size.

Image Optimization

-2%

Potential reduce by 8.9 kB

  • Original 471.3 kB
  • After minification 462.5 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. Zimbra images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 129.5 kB

  • Original 175.5 kB
  • After minification 141.6 kB
  • After compression 46.0 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 129.5 kB or 74% of the original size.

CSS Optimization

-80%

Potential reduce by 109.1 kB

  • Original 135.6 kB
  • After minification 102.2 kB
  • After compression 26.5 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. Zimbra.org needs all CSS files to be minified and compressed as it can save up to 109.1 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (71%)

Requests Now

28

After Optimization

8

  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zimbra. 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 18 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

forums.zimbra.org

forums.zimbra.org

83 ms

font-awesome.min.css

font-awesome.min.css

6 ms

stylesheet.css

stylesheet.css

12 ms

stylesheet.css

stylesheet.css

23 ms

jquery-3.6.0.min.js

jquery-3.6.0.min.js

19 ms

core.js

core.js

19 ms

forum_fn.js

forum_fn.js

27 ms

ajax.js

ajax.js

25 ms

normalize.css

normalize.css

15 ms

base.css

base.css

14 ms

utilities.css

utilities.css

13 ms

common.css

common.css

21 ms

links.css

links.css

15 ms

content.css

content.css

18 ms

buttons.css

buttons.css

16 ms

cp.css

cp.css

18 ms

forms.css

forms.css

19 ms

icons.css

icons.css

20 ms

colours.css

colours.css

23 ms

responsive.css

responsive.css

22 ms

flat.css

flat.css

20 ms

colour-override.css

colour-override.css

23 ms

stylesheet.css

stylesheet.css

15 ms

ZimbraForumBanner_background_3000px_225px.png

ZimbraForumBanner_background_3000px_225px.png

79 ms

laptopwithrocket.png

laptopwithrocket.png

77 ms

site_logo.png

site_logo.png

75 ms

forum_read.png

forum_read.png

76 ms

forum_read_locked.png

forum_read_locked.png

76 ms

forum_read_subforum.png

forum_read_subforum.png

76 ms

poppins-v3-latin-ext_latin-regular.woff

poppins-v3-latin-ext_latin-regular.woff

76 ms

poppins-v3-latin-ext_latin-600.woff

poppins-v3-latin-ext_latin-600.woff

77 ms

bebaskai-regular-webfont.woff

bebaskai-regular-webfont.woff

8 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

13 ms

Accessibility Review

zimbra.org accessibility score

72

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role]s are not contained by their required parent element

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

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

Links do not have a discernible name

Best Practices

zimbra.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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

zimbra.org SEO score

81

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

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 uses 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 Zimbra.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 Zimbra.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

zimbra.org

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