Tools & Wizards About Us
preseria.com screenshot

Report Summary

  • 62

    Performance

    Renders faster than
    76% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

preseria.com

Preseria: Presentation Management for Conferences and Events

Page Load Speed

2 sec in total

First Response

54 ms

Resources Loaded

1.6 sec

Page Rendered

388 ms

preseria.com screenshot

About Website

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

Easily manage presentation files and speakers and ensure smooth presentation flow and transitions at your conferences and events.

Visit preseria.com

Key Findings

We analyzed Preseria.com page load time and found that the first response time was 54 ms and then it took 2 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

preseria.com performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

78/100

25%

SI (Speed Index)

Value5.5 s

55/100

10%

TBT (Total Blocking Time)

Value840 ms

34/100

30%

CLS (Cumulative Layout Shift)

Value0.016

100/100

15%

TTI (Time to Interactive)

Value6.8 s

56/100

10%

Network Requests Diagram

preseria.com

54 ms

preseria.com

402 ms

frontend.min.css

31 ms

css

103 ms

style.min.css

45 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 63% of them (20 requests) were addressed to the original Preseria.com, 9% (3 requests) were made to Clarity.ms and 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (755 ms) belongs to the original domain Preseria.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 362.6 kB (31%)

Content Size

1.2 MB

After Optimization

801.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Preseria.com main page is 1.2 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. 30% of websites need less resources to load. Images take 799.0 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 96.4 kB

  • Original 116.9 kB
  • After minification 116.4 kB
  • After compression 20.5 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 96.4 kB or 82% of the original size.

Image Optimization

-29%

Potential reduce by 233.2 kB

  • Original 799.0 kB
  • After minification 565.9 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. Obviously, Preseria needs image optimization as it can save up to 233.2 kB or 29% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-20%

Potential reduce by 32.7 kB

  • Original 167.0 kB
  • After minification 167.0 kB
  • After compression 134.3 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 32.7 kB or 20% of the original size.

CSS Optimization

-0%

Potential reduce by 373 B

  • Original 81.4 kB
  • After minification 81.4 kB
  • After compression 81.1 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. Preseria.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 16 (53%)

Requests Now

30

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Preseria. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

preseria.com

preseria.com

54 ms

preseria.com

preseria.com

402 ms

frontend.min.css

frontend.min.css

31 ms

css

css

103 ms

style.min.css

style.min.css

45 ms

lozad.min.js

lozad.min.js

82 ms

analytics.js

analytics.js

91 ms

widget.css

widget.css

235 ms

widget.js

widget.js

312 ms

email-decode.min.js

email-decode.min.js

73 ms

jquery.min.js

jquery.min.js

78 ms

magnific-popup.js

magnific-popup.js

83 ms

us.core.min.js

us.core.min.js

83 ms

smush-lazy-load.min.js

smush-lazy-load.min.js

86 ms

owl.carousel.js

owl.carousel.js

87 ms

l15pzwps2d

l15pzwps2d

205 ms

8m6z6sgh9v

8m6z6sgh9v

400 ms

fbevents.js

fbevents.js

71 ms

collect

collect

49 ms

js

js

119 ms

logo.svg

logo.svg

24 ms

presentation-management-software-1.png

presentation-management-software-1.png

755 ms

vt-logo-cmyk.svg

vt-logo-cmyk.svg

21 ms

ets-200x73.png

ets-200x73.png

291 ms

stavanger.svg

stavanger.svg

26 ms

clarity.png

clarity.png

31 ms

konsertsystemer.png

konsertsystemer.png

37 ms

fmiigf.png

fmiigf.png

35 ms

henrik-150x150.png

henrik-150x150.png

36 ms

clarity.js

clarity.js

62 ms

OddLarsson-150x150.jpg

OddLarsson-150x150.jpg

13 ms

c.gif

c.gif

7 ms

Accessibility Review

preseria.com accessibility score

98

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.

Best Practices

preseria.com 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

High

Page has valid source maps

SEO Factors

preseria.com SEO score

100

Search Engine Optimization Advices

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

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 Preseria.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 Preseria.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

preseria.com

Open Graph data is detected on the main page of Preseria. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: