Tools & Wizards About Us
sip-communicator.org screenshot

Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 42

    SEO

    Google-friendlier than
    18% of websites

sip-communicator.org

jitsi.org | Jitsi

Page Load Speed

3.9 sec in total

First Response

173 ms

Resources Loaded

3.4 sec

Page Rendered

371 ms

sip-communicator.org screenshot

About Website

Welcome to sip-communicator.org homepage info - get ready to check Sip Communicator best content right away, or after learning these important things about sip-communicator.org

Visit sip-communicator.org

Key Findings

We analyzed Sip-communicator.org page load time and found that the first response time was 173 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

sip-communicator.org performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

75/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value3.2 s

91/100

10%

TBT (Total Blocking Time)

Value320 ms

76/100

30%

CLS (Cumulative Layout Shift)

Value0.042

99/100

15%

TTI (Time to Interactive)

Value7.4 s

48/100

10%

Network Requests Diagram

sip-communicator.org

173 ms

jitsi.org

1256 ms

css

49 ms

simple.css

80 ms

markup.css

158 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Sip-communicator.org, 69% (50 requests) were made to Jitsi.org and 11% (8 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Jitsi.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 909.0 kB (28%)

Content Size

3.3 MB

After Optimization

2.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sip-communicator.org main page is 3.3 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. 65% of websites need less resources to load. Images take 3.1 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 46.4 kB

  • Original 58.8 kB
  • After minification 51.4 kB
  • After compression 12.4 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 7.4 kB, which is 13% 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 46.4 kB or 79% of the original size.

Image Optimization

-26%

Potential reduce by 833.5 kB

  • Original 3.1 MB
  • After minification 2.3 MB

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, Sip Communicator needs image optimization as it can save up to 833.5 kB or 26% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-22%

Potential reduce by 6.1 kB

  • Original 27.6 kB
  • After minification 27.6 kB
  • After compression 21.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 6.1 kB or 22% of the original size.

CSS Optimization

-84%

Potential reduce by 23.1 kB

  • Original 27.5 kB
  • After minification 20.3 kB
  • After compression 4.4 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. Sip-communicator.org needs all CSS files to be minified and compressed as it can save up to 23.1 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (20%)

Requests Now

64

After Optimization

51

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sip Communicator. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sip-communicator.org

sip-communicator.org

173 ms

jitsi.org

jitsi.org

1256 ms

css

css

49 ms

simple.css

simple.css

80 ms

markup.css

markup.css

158 ms

commentboxplus.css

commentboxplus.css

237 ms

all.js

all.js

231 ms

ga.js

ga.js

89 ms

bgr.jpg

bgr.jpg

178 ms

logo3.png

logo3.png

259 ms

backgroundBanner.png

backgroundBanner.png

418 ms

meetJitsiBanner.png

meetJitsiBanner.png

652 ms

tryJitMeet.png

tryJitMeet.png

415 ms

banner1.png

banner1.png

671 ms

downloadBtn.png

downloadBtn.png

418 ms

banner5.png

banner5.png

650 ms

banner6.png

banner6.png

493 ms

banner7.png

banner7.png

729 ms

leftArrow.png

leftArrow.png

575 ms

leftArrowHover.png

leftArrowHover.png

648 ms

rightArrow.png

rightArrow.png

731 ms

rightArrowHover.png

rightArrowHover.png

806 ms

socialBackground.png

socialBackground.png

726 ms

mail-32x32.png

mail-32x32.png

728 ms

facebook-32x32.png

facebook-32x32.png

749 ms

facebook-group-32x32.png

facebook-group-32x32.png

805 ms

identica.png

identica.png

807 ms

twitter.png

twitter.png

807 ms

rss.png

rss.png

808 ms

gplus.png

gplus.png

830 ms

dot.png

dot.png

882 ms

dotHover.png

dotHover.png

883 ms

meetJitsiProject.png

meetJitsiProject.png

883 ms

jitsiProject.png

jitsiProject.png

962 ms

jitsiVideoBridgeProject.png

jitsiVideoBridgeProject.png

965 ms

libJitsiProject.png

libJitsiProject.png

990 ms

krankygeek.png

krankygeek.png

1036 ms

temasys.png

temasys.png

960 ms

apache-license.png

apache-license.png

1115 ms

firefox.jpg

firefox.jpg

1040 ms

lastn.png

lastn.png

1038 ms

hipchat.png

hipchat.png

1120 ms

logo-square.png

logo-square.png

1150 ms

fosdem2015.png

fosdem2015.png

1113 ms

45 ms

plusone.js

plusone.js

101 ms

ping

ping

37 ms

xd_arbiter.php

xd_arbiter.php

245 ms

like.php

like.php

56 ms

__utm.gif

__utm.gif

16 ms

fy8tT2klpgR.js

fy8tT2klpgR.js

295 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

341 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

19 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

54 ms

fastbutton

fastbutton

139 ms

YanoneKaffeesatz-Regular.woff

YanoneKaffeesatz-Regular.woff

944 ms

postmessageRelay

postmessageRelay

44 ms

YanoneKaffeesatz-Regular.ttf

YanoneKaffeesatz-Regular.ttf

944 ms

3193398744-postmessagerelay.js

3193398744-postmessagerelay.js

33 ms

rpc:shindig_random.js

rpc:shindig_random.js

66 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

23 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

15 ms

W5F8_SL0XFawnjxHGsZjJA.ttf

W5F8_SL0XFawnjxHGsZjJA.ttf

68 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

8 ms

YanoneKaffeesatz-ExtraLight.woff

YanoneKaffeesatz-ExtraLight.woff

783 ms

YanoneKaffeesatz-ExtraLight.ttf

YanoneKaffeesatz-ExtraLight.ttf

784 ms

jvb-eval-essentials.png

jvb-eval-essentials.png

784 ms

vuc500.png

vuc500.png

1176 ms

separator.png

separator.png

662 ms

moreNewsButton.png

moreNewsButton.png

627 ms

dotSelected.png

dotSelected.png

629 ms

leaf.gif

leaf.gif

628 ms

Accessibility Review

sip-communicator.org accessibility score

57

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

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

sip-communicator.org best practices score

58

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

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

sip-communicator.org SEO score

42

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sip-communicator.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Sip-communicator.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

sip-communicator.org

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