Tools & Wizards About Us
uis-speleo.org screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    60% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

uis-speleo.org

UIS – International Union of Speleology

Page Load Speed

1.8 sec in total

First Response

404 ms

Resources Loaded

1.2 sec

Page Rendered

212 ms

uis-speleo.org screenshot

About Website

Visit uis-speleo.org now to see the best up-to-date UIS Speleo content and also check out these interesting facts you probably never knew about uis-speleo.org

Visit uis-speleo.org

Key Findings

We analyzed Uis-speleo.org page load time and found that the first response time was 404 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 25% of websites can load faster.

Performance Metrics

uis-speleo.org performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value9.2 s

1/100

25%

SI (Speed Index)

Value6.9 s

34/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.733

6/100

15%

TTI (Time to Interactive)

Value11.2 s

19/100

10%

Network Requests Diagram

uis-speleo.org

404 ms

modal.css

67 ms

style.css

91 ms

bootstrap.min.css

128 ms

bootstrap-responsive.min.css

83 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that all of those requests were addressed to Uis-speleo.org and no external sources were called. The less responsive or slowest element that took the longest time to load (451 ms) belongs to the original domain Uis-speleo.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 810.8 kB (54%)

Content Size

1.5 MB

After Optimization

701.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Uis-speleo.org main page is 1.5 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. 40% of websites need less resources to load. Javascripts take 693.2 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 31.2 kB

  • Original 37.5 kB
  • After minification 36.4 kB
  • After compression 6.3 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 31.2 kB or 83% of the original size.

Image Optimization

-17%

Potential reduce by 94.1 kB

  • Original 558.0 kB
  • After minification 463.9 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, UIS Speleo needs image optimization as it can save up to 94.1 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-72%

Potential reduce by 499.5 kB

  • Original 693.2 kB
  • After minification 648.8 kB
  • After compression 193.7 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 499.5 kB or 72% of the original size.

CSS Optimization

-83%

Potential reduce by 186.0 kB

  • Original 224.0 kB
  • After minification 203.2 kB
  • After compression 38.0 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. Uis-speleo.org needs all CSS files to be minified and compressed as it can save up to 186.0 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 38 (78%)

Requests Now

49

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of UIS Speleo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

uis-speleo.org

uis-speleo.org

404 ms

modal.css

modal.css

67 ms

style.css

style.css

91 ms

bootstrap.min.css

bootstrap.min.css

128 ms

bootstrap-responsive.min.css

bootstrap-responsive.min.css

83 ms

bootstrap-extended.css

bootstrap-extended.css

86 ms

bootstrap-frontend.min.css

bootstrap-frontend.min.css

97 ms

system.css

system.css

125 ms

general.css

general.css

136 ms

template.css

template.css

167 ms

blue.css

blue.css

136 ms

business.css

business.css

141 ms

modstyle.css

modstyle.css

176 ms

style.css

style.css

174 ms

skitter.styles.css

skitter.styles.css

172 ms

mootools-core.js

mootools-core.js

222 ms

core.js

core.js

187 ms

mootools-more.js

mootools-more.js

289 ms

modal.js

modal.js

216 ms

caption.js

caption.js

216 ms

noconflict.js

noconflict.js

226 ms

utils.js

utils.js

273 ms

jsn_template.js

jsn_template.js

260 ms

calnav.js

calnav.js

267 ms

jquery.min.js

jquery.min.js

300 ms

jquery-noconflict.js

jquery-noconflict.js

271 ms

bootstrap.min.js

bootstrap.min.js

302 ms

jquery.min.js

jquery.min.js

451 ms

jsn_is_conflict.js

jsn_is_conflict.js

312 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

313 ms

jquery.animate-colors-min.js

jquery.animate-colors-min.js

327 ms

jquery.skitter.js

jquery.skitter.js

450 ms

system.css

system.css

226 ms

bg-master.jpg

bg-master.jpg

119 ms

uis_logo.png

uis_logo.png

117 ms

icon-arrow-white.png

icon-arrow-white.png

112 ms

bg-promo.jpg

bg-promo.jpg

118 ms

Squeeze%20-%20Peter%20Gedei.jpg

Squeeze%20-%20Peter%20Gedei.jpg

208 ms

Tunnel%20-%20Peter%20Gedei.jpg

Tunnel%20-%20Peter%20Gedei.jpg

281 ms

Passage%20-%20Peter%20Gedei.jpg

Passage%20-%20Peter%20Gedei.jpg

214 ms

logo_bulletin1.jpg

logo_bulletin1.jpg

120 ms

bg-leftside.png

bg-leftside.png

45 ms

bg-rightside.png

bg-rightside.png

52 ms

dot.png

dot.png

45 ms

box-grey.png

box-grey.png

91 ms

icons-base.png

icons-base.png

93 ms

box-yellow.png

box-yellow.png

93 ms

prev.png

prev.png

133 ms

next.png

next.png

135 ms

ajax-loader.gif

ajax-loader.gif

133 ms

Accessibility Review

uis-speleo.org accessibility score

86

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

uis-speleo.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

uis-speleo.org SEO score

81

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

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 Uis-speleo.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 Uis-speleo.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

uis-speleo.org

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