Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

vagprog.cz

VAG-PROG: programátor řídicích jednotek Škoda/VW/Audi/Seat

Page Load Speed

747 ms in total

First Response

203 ms

Resources Loaded

372 ms

Page Rendered

172 ms

vagprog.cz screenshot

About Website

Welcome to vagprog.cz homepage info - get ready to check VAG PROG best content right away, or after learning these important things about vagprog.cz

VAG-PROG: VAGPROG2008 - VAGPROG2009: program pro přístup do EEPROM řídících jednotek, editaci paměti, práci s immobilizérem, úpravu počítadla ujeté vzdálenosti, apod.

Visit vagprog.cz

Key Findings

We analyzed Vagprog.cz page load time and found that the first response time was 203 ms and then it took 544 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

vagprog.cz performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.3 s

100/100

25%

SI (Speed Index)

Value0.8 s

100/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.8 s

100/100

10%

Network Requests Diagram

vagprog.cz

203 ms

style.css

34 ms

swfobject.js

66 ms

flag_cz.gif

75 ms

flag_en.gif

74 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that 85% of them (11 requests) were addressed to the original Vagprog.cz, 15% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (203 ms) belongs to the original domain Vagprog.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 13.9 kB (22%)

Content Size

63.7 kB

After Optimization

49.8 kB

In fact, the total size of Vagprog.cz main page is 63.7 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 37.1 kB which makes up the majority of the site volume.

HTML Optimization

-59%

Potential reduce by 3.7 kB

  • Original 6.2 kB
  • After minification 6.0 kB
  • After compression 2.6 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 3.7 kB or 59% of the original size.

Image Optimization

-0%

Potential reduce by 128 B

  • Original 37.1 kB
  • After minification 37.0 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. VAG PROG images are well optimized though.

JavaScript Optimization

-41%

Potential reduce by 6.5 kB

  • Original 15.7 kB
  • After minification 15.6 kB
  • After compression 9.2 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 6.5 kB or 41% of the original size.

CSS Optimization

-77%

Potential reduce by 3.6 kB

  • Original 4.6 kB
  • After minification 3.3 kB
  • After compression 1.1 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. Vagprog.cz needs all CSS files to be minified and compressed as it can save up to 3.6 kB or 77% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

12

After Optimization

12

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VAG PROG. According to our analytics all requests are already optimized.

Accessibility Review

vagprog.cz accessibility score

65

Accessibility Issues

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

vagprog.cz best practices score

67

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

vagprog.cz SEO score

67

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vagprog.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it does not match the claimed English language. Our system also found out that Vagprog.cz 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 VAG PROG. 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: