Access tesa.nl. tesa - Producent van tapes voor Industrie, Vakmensen en Consumenten.

Report Summary

About Website

Welcome to tesa.nl homepage info - get ready to check Tesa best content for Netherlands right away, or after learning these important things about tesa.nl

Met onze betrouwbare oplossingen en uitstekende service ondersteunen we industriële partners bij het optimaliseren van hun processen en verbeteren van hun producten. Wij helpen professionele vakmensen...

Visit tesa.nl

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value7.0 s

6/100

25%

SI (Speed Index)

Value4.3 s

76/100

10%

TBT (Total Blocking Time)

Value1,570 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.267

46/100

15%

TTI (Time to Interactive)

Value11.7 s

17/100

10%

tesa.nl

213 ms

59 ms

critical-render-blocking.f0b0a568.css

9 ms

runtime.5fd8efd3.js

40 ms

6050.caf85061.js

43 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Tesa.nl, 98% (53 requests) were made to Tesa.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Tesa.com.

Content Size

1.5 MB

After Optimization

1.3 MB

In fact, the total size of Tesa.nl 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. 65% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 212.5 kB

Original 248.0 kB
After minification 247.9 kB
After compression 35.6 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 212.5 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

Original 1.0 MB
After minification 1.0 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. Tesa images are well optimized though.

JavaScript Optimization

-26%

Potential reduce by 55.2 kB

Original 211.8 kB
After minification 211.8 kB
After compression 156.6 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 55.2 kB or 26% of the original size.

CSS Optimization

-0%

Potential reduce by 68 B

Original 35.6 kB
After minification 35.6 kB
After compression 35.5 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. Tesa.nl has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tesa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts 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

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.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

NL
Language Claimed

NL
Encoding

UTF-8

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

tesa.nl

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

Report Summary

Performance

Accessibility

Best Practices

SEO

tesa - Producent van tapes voor Industrie, Vakmensen en Consumenten.

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)