Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

knauf.es

Knauf Ibérica | Sistemas de construcción sostenibles, saludables y seguros

Page Load Speed

6.3 sec in total

First Response

478 ms

Resources Loaded

5.5 sec

Page Rendered

390 ms

About Website

Click here to check amazing Knauf content for Spain. Otherwise, check out these important facts you probably never knew about knauf.es

Knauf es líder en la fabricación de placa de yeso laminado (PYL) y materiales de construcción en seco para el diseño de espacios habitables seguros.

Visit knauf.es

Key Findings

We analyzed Knauf.es page load time and found that the first response time was 478 ms and then it took 5.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

knauf.es performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

6/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

18/100

25%

SI (Speed Index)

Value12.8 s

2/100

10%

TBT (Total Blocking Time)

Value910 ms

31/100

30%

CLS (Cumulative Layout Shift)

Value0.872

4/100

15%

TTI (Time to Interactive)

Value14.3 s

9/100

10%

Network Requests Diagram

knauf.es

478 ms

www.knauf.es

615 ms

normalize.css

32 ms

normalize-fixes.css

31 ms

ajax-progress.module.css

31 ms

Our browser made a total of 224 requests to load all elements on the main page. We found that 95% of them (212 requests) were addressed to the original Knauf.es, 1% (3 requests) were made to Googletagmanager.com and 1% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Knauf.es.

Page Optimization Overview & Recommendations

Page size can be reduced by 714.3 kB (6%)

Content Size

12.0 MB

After Optimization

11.2 MB

In fact, the total size of Knauf.es main page is 12.0 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 11.2 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 128.3 kB

  • Original 151.3 kB
  • After minification 134.1 kB
  • After compression 23.0 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 17.2 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 128.3 kB or 85% of the original size.

Image Optimization

-4%

Potential reduce by 488.9 kB

  • Original 11.2 MB
  • After minification 10.7 MB

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. Knauf images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 16.4 kB

  • Original 469.5 kB
  • After minification 469.4 kB
  • After compression 453.1 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

-44%

Potential reduce by 80.8 kB

  • Original 182.0 kB
  • After minification 111.4 kB
  • After compression 101.2 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. Knauf.es needs all CSS files to be minified and compressed as it can save up to 80.8 kB or 44% of the original size.

Requests Breakdown

Number of requests can be reduced by 164 (76%)

Requests Now

217

After Optimization

53

The browser has sent 217 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Knauf. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 79 to 1 for JavaScripts and from 74 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

knauf.es 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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

knauf.es best practices score

67

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

knauf.es SEO score

82

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

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

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

    ES

  • Language Claimed

    ES

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Knauf.es can be misinterpreted by Google and other search engines. Our service has detected that Spanish is used on the page, and it matches the claimed language. Our system also found out that Knauf.es 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 Knauf. 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: