Report Summary

  • 4

    Performance

    Renders faster than
    20% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

trainer.pons.eu

PONS Vocabulary Trainer

Page Load Speed

5.3 sec in total

First Response

434 ms

Resources Loaded

4.7 sec

Page Rendered

193 ms

trainer.pons.eu screenshot

About Website

Welcome to trainer.pons.eu homepage info - get ready to check Trainer PONS best content for Germany right away, or after learning these important things about trainer.pons.eu

A new Flutter project.

Visit trainer.pons.eu

Key Findings

We analyzed Trainer.pons.eu page load time and found that the first response time was 434 ms and then it took 4.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

trainer.pons.eu performance score

4

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value9.8 s

10/100

10%

TBT (Total Blocking Time)

Value3,130 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value1.003

2/100

15%

TTI (Time to Interactive)

Value17.5 s

4/100

10%

Network Requests Diagram

trainer.pons.com

434 ms

immediate-AEC50B2A-min.js

632 ms

require-FF5DCFC9-min.js

634 ms

ui-custom-c84eddd748ff6a0c3da786c95095b4e6.css

241 ms

dict-289BF35A-min.css

631 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Trainer.pons.eu, 26% (12 requests) were made to Pons.com and 9% (4 requests) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (2.2 sec) relates to the external source Trainer.pons.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 817.4 kB (66%)

Content Size

1.2 MB

After Optimization

420.8 kB

In fact, the total size of Trainer.pons.eu 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. 40% of websites need less resources to load. Javascripts take 514.9 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 36.8 kB

  • Original 47.9 kB
  • After minification 42.8 kB
  • After compression 11.1 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 5.1 kB, which is 11% 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 36.8 kB or 77% of the original size.

Image Optimization

-2%

Potential reduce by 3.0 kB

  • Original 173.4 kB
  • After minification 170.4 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. Trainer PONS images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 341.4 kB

  • Original 514.9 kB
  • After minification 514.4 kB
  • After compression 173.6 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 341.4 kB or 66% of the original size.

CSS Optimization

-87%

Potential reduce by 436.2 kB

  • Original 502.0 kB
  • After minification 429.4 kB
  • After compression 65.8 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. Trainer.pons.eu needs all CSS files to be minified and compressed as it can save up to 436.2 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (67%)

Requests Now

42

After Optimization

14

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Trainer PONS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

trainer.pons.eu accessibility score

94

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.

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Best Practices

trainer.pons.eu best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

trainer.pons.eu SEO score

85

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Trainer.pons.eu can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Trainer.pons.eu 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 Trainer PONS. 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: