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Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

irfanview.info

IrfanView - Official Homepage - One of the Most Popular Viewers Worldwide

Page Load Speed

1.7 sec in total

First Response

303 ms

Resources Loaded

1.2 sec

Page Rendered

179 ms

irfanview.info screenshot

About Website

Click here to check amazing Irfan View content for Austria. Otherwise, check out these important facts you probably never knew about irfanview.info

IrfanView ... one of the most popular viewers worldwide.

Visit irfanview.info

Key Findings

We analyzed Irfanview.info page load time and found that the first response time was 303 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 30% of websites can load faster.

Performance Metrics

irfanview.info performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value1.7 s

99/100

25%

SI (Speed Index)

Value2.3 s

98/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.4 s

100/100

10%

Network Requests Diagram

irfanview.info

303 ms

www.irfanview.info

405 ms

style.css

98 ms

logo.png

194 ms

banner_daisy.jpg

483 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that all of those requests were addressed to Irfanview.info and no external sources were called. The less responsive or slowest element that took the longest time to load (483 ms) belongs to the original domain Irfanview.info.

Page Optimization Overview & Recommendations

Page size can be reduced by 12.9 kB (7%)

Content Size

181.0 kB

After Optimization

168.1 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Irfanview.info main page is 181.0 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. 15% of websites need less resources to load. Images take 162.9 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 8.4 kB

  • Original 10.6 kB
  • After minification 7.0 kB
  • After compression 2.2 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. This page needs HTML code to be minified as it can gain 3.7 kB, which is 35% 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 8.4 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 3.1 kB

  • Original 162.9 kB
  • After minification 159.8 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. Irfan View images are well optimized though.

CSS Optimization

-18%

Potential reduce by 1.3 kB

  • Original 7.4 kB
  • After minification 7.4 kB
  • After compression 6.1 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. Irfanview.info needs all CSS files to be minified and compressed as it can save up to 1.3 kB or 18% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

13

After Optimization

13

  • Images
  • CSS

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Irfan View. According to our analytics all requests are already optimized.

Network Requests Diagram

irfanview.info

irfanview.info

303 ms

www.irfanview.info

www.irfanview.info

405 ms

style.css

style.css

98 ms

logo.png

logo.png

194 ms

banner_daisy.jpg

banner_daisy.jpg

483 ms

profile-pic.gif

profile-pic.gif

290 ms

logo-download.png

logo-download.png

291 ms

logo-footer.png

logo-footer.png

314 ms

icons.png

icons.png

202 ms

main-menu-bg.png

main-menu-bg.png

202 ms

banner-bg.jpg

banner-bg.jpg

366 ms

bullet2.png

bullet2.png

274 ms

download-icon-white.png

download-icon-white.png

304 ms

download-icon-black.png

download-icon-black.png

305 ms

features.png

features.png

305 ms

Accessibility Review

irfanview.info accessibility score

96

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

irfanview.info best practices score

83

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

SEO Factors

irfanview.info SEO score

92

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

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 Irfanview.info 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 Irfanview.info 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

irfanview.info

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