Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

rohde-schwarz.com

Industry-leading technology group | Rohde & Schwarz

Page Load Speed

4.1 sec in total

First Response

567 ms

Resources Loaded

3.3 sec

Page Rendered

211 ms

rohde-schwarz.com screenshot

About Website

Welcome to rohde-schwarz.com homepage info - get ready to check Rohde Schwarz best content for China right away, or after learning these important things about rohde-schwarz.com

Rohde & Schwarz stands for quality and innovation in Test & Measurement, Aerospace Defense Security, Broadcast & Media and Cybersecurity. Learn more.

Visit rohde-schwarz.com

Key Findings

We analyzed Rohde-schwarz.com page load time and found that the first response time was 567 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

rohde-schwarz.com performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value7.6 s

25/100

10%

TBT (Total Blocking Time)

Value490 ms

59/100

30%

CLS (Cumulative Layout Shift)

Value0.116

85/100

15%

TTI (Time to Interactive)

Value13.9 s

10/100

10%

Network Requests Diagram

rohde-schwarz.com

567 ms

home_48230.html

172 ms

jquery-172min.js

208 ms

webtrends_3_3_0_340248_en-us.js

240 ms

common_3_3_0_min_340248_en-us.js

243 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 8% of them (3 requests) were addressed to the original Rohde-schwarz.com, 86% (31 requests) were made to Cdn.rohde-schwarz.com and 6% (2 requests) were made to Sdc.rohde-schwarz.com. The less responsive or slowest element that took the longest time to load (614 ms) relates to the external source Sdc.rohde-schwarz.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 393.5 kB (23%)

Content Size

1.7 MB

After Optimization

1.3 MB

In fact, the total size of Rohde-schwarz.com main page is 1.7 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. 60% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 131.5 kB

  • Original 146.1 kB
  • After minification 96.7 kB
  • After compression 14.6 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. This page needs HTML code to be minified as it can gain 49.3 kB, which is 34% 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 131.5 kB or 90% of the original size.

Image Optimization

-1%

Potential reduce by 11.7 kB

  • Original 1.2 MB
  • After minification 1.2 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. Rohde Schwarz images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 113.8 kB

  • Original 194.2 kB
  • After minification 184.9 kB
  • After compression 80.3 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 113.8 kB or 59% of the original size.

CSS Optimization

-85%

Potential reduce by 136.5 kB

  • Original 160.3 kB
  • After minification 159.5 kB
  • After compression 23.7 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. Rohde-schwarz.com needs all CSS files to be minified and compressed as it can save up to 136.5 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (39%)

Requests Now

33

After Optimization

20

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rohde Schwarz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

rohde-schwarz.com accessibility score

89

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

Best Practices

rohde-schwarz.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

rohde-schwarz.com SEO score

93

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

Links do not have descriptive text

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 Rohde-schwarz.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 Rohde-schwarz.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 description is not detected on the main page of Rohde Schwarz. 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: