Report Summary

  • 47

    Performance

    Renders faster than
    65% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

werther.com

Industrial Air Compressor Manufacturer - Rotary Screw Air Compressor Distributor | Werther International

Page Load Speed

1.2 sec in total

First Response

150 ms

Resources Loaded

938 ms

Page Rendered

69 ms

werther.com screenshot

About Website

Click here to check amazing Werther content. Otherwise, check out these important facts you probably never knew about werther.com

Werther International is an industry-leading manufacturer of rotary screw air compressors, providing reliable, energy-efficient, and quiet air compressor systems. Contact us!

Visit werther.com

Key Findings

We analyzed Werther.com page load time and found that the first response time was 150 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

werther.com performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

62/100

10%

LCP (Largest Contentful Paint)

Value9.0 s

1/100

25%

SI (Speed Index)

Value8.8 s

16/100

10%

TBT (Total Blocking Time)

Value440 ms

64/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.7 s

45/100

10%

Network Requests Diagram

werther.com

150 ms

www.werther.com

327 ms

css

35 ms

flexslider.css

36 ms

fontello.css

72 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 88% of them (21 requests) were addressed to the original Werther.com, 4% (1 request) were made to Fonts.googleapis.com and 4% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (327 ms) belongs to the original domain Werther.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 227.1 kB (41%)

Content Size

555.3 kB

After Optimization

328.1 kB

In fact, the total size of Werther.com main page is 555.3 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. 25% of websites need less resources to load. Images take 253.0 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 16.3 kB

  • Original 21.5 kB
  • After minification 18.7 kB
  • After compression 5.2 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 2.8 kB, which is 13% 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 16.3 kB or 76% of the original size.

Image Optimization

-3%

Potential reduce by 8.8 kB

  • Original 253.0 kB
  • After minification 244.3 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. Werther images are well optimized though.

JavaScript Optimization

-45%

Potential reduce by 37.8 kB

  • Original 84.5 kB
  • After minification 81.7 kB
  • After compression 46.6 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 37.8 kB or 45% of the original size.

CSS Optimization

-84%

Potential reduce by 164.2 kB

  • Original 196.3 kB
  • After minification 184.5 kB
  • After compression 32.0 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. Werther.com needs all CSS files to be minified and compressed as it can save up to 164.2 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (50%)

Requests Now

22

After Optimization

11

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Werther. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

werther.com accessibility score

93

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

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

Best Practices

werther.com 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

werther.com SEO score

93

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