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16

Performance

Renders faster than
30% of other websites
60

Accessibility

Visual factors better than
that of 26% of websites
75

Best Practices

More advanced features
available than in
35% of websites
69

SEO

Google-friendlier than
28% of websites

First Response

231 ms

Resources Loaded

3.7 sec

Page Rendered

97 ms

eurobirdportal.org screenshot

About Website

Visit eurobirdportal.org now to see the best up-to-date Euro Bird Portal content and also check out these interesting facts you probably never knew about eurobirdportal.org

Unraveling European-wide spatiotemporal patterns of bird distribution. Mobilizing 100,000 volunteer birdwatchers and 30 millions of new bird records every year to unravel European-wide spatiotemporal ...

Visit eurobirdportal.org

Key Findings

We analyzed Eurobirdportal.org page load time and found that the first response time was 231 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

8/100

10%

LCP (Largest Contentful Paint)

Value11.3 s

0/100

25%

SI (Speed Index)

Value37.9 s

0/100

10%

TBT (Total Blocking Time)

Value72,430 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.055

98/100

15%

TTI (Time to Interactive)

Value86.0 s

0/100

10%

eurobirdportal.org

231 ms

eurobirdportal.org

387 ms

290 ms

css

62 ms

bootstrap.min.css

54 ms

Our browser made a total of 199 requests to load all elements on the main page. We found that 86% of them (171 requests) were addressed to the original Eurobirdportal.org, 5% (9 requests) were made to Cdnjs.cloudflare.com and 2% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (717 ms) belongs to the original domain Eurobirdportal.org.

Content Size

1.4 MB

After Optimization

1.1 MB

In fact, the total size of Eurobirdportal.org main page is 1.4 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. 60% of websites need less resources to load. Images take 807.1 kB which makes up the majority of the site volume.

HTML Optimization

-94%

Potential reduce by 207.5 kB

Original 221.6 kB
After minification 171.3 kB
After compression 14.1 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 50.3 kB, which is 23% 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 207.5 kB or 94% of the original size.

Image Optimization

-1%

Potential reduce by 5.9 kB

Original 807.1 kB
After minification 801.2 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. Euro Bird Portal images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 4.7 kB

Original 299.2 kB
After minification 299.2 kB
After compression 294.4 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

-3%

Potential reduce by 902 B

Original 27.0 kB
After minification 27.0 kB
After compression 26.1 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. Eurobirdportal.org has all CSS files already compressed.

Requests Now

190

After Optimization

148

The browser has sent 190 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Euro Bird Portal. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

ARIA IDs are not unique

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

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

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

High

Links are not crawlable

High

robots.txt is not valid

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/).

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 Eurobirdportal.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 Eurobirdportal.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

eurobirdportal.org

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