Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

perian.org

Perian - The swiss-army knife of QuickTime® components

Page Load Speed

460 ms in total

First Response

30 ms

Resources Loaded

96 ms

Page Rendered

334 ms

perian.org screenshot

About Website

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

Perian is a free, open source, QuickTime component that supports many popular media types, including AVI, DivX, and XviD.

Visit perian.org

Key Findings

We analyzed Perian.org page load time and found that the first response time was 30 ms and then it took 430 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

perian.org performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

96/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

92/100

25%

SI (Speed Index)

Value1.5 s

100/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.4 s

99/100

10%

Network Requests Diagram

perian.org

30 ms

www.perian.org

18 ms

perian2012.css

2 ms

ga.js

17 ms

perian-knife.png

5 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that 86% of them (6 requests) were addressed to the original Perian.org, 14% (1 request) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (30 ms) belongs to the original domain Perian.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 20.5 kB (25%)

Content Size

81.1 kB

After Optimization

60.5 kB

In fact, the total size of Perian.org main page is 81.1 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. Only 5% of websites need less resources to load. Images take 47.7 kB which makes up the majority of the site volume.

HTML Optimization

-62%

Potential reduce by 8.6 kB

  • Original 13.8 kB
  • After minification 12.9 kB
  • After compression 5.2 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 8.6 kB or 62% of the original size.

Image Optimization

-21%

Potential reduce by 10.1 kB

  • Original 47.7 kB
  • After minification 37.6 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, Perian needs image optimization as it can save up to 10.1 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-75%

Potential reduce by 1.8 kB

  • Original 2.4 kB
  • After minification 1.8 kB
  • After compression 594 B

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. Perian.org needs all CSS files to be minified and compressed as it can save up to 1.8 kB or 75% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Perian. According to our analytics all requests are already optimized.

Accessibility Review

perian.org accessibility score

88

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Best Practices

perian.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

SEO Factors

perian.org SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Perian.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 Perian.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

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