Tools & Wizards About Us
oberwerk.com screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

oberwerk.com

Oberwerk | High-Performance Optics for Earth & Sky

Page Load Speed

627 ms in total

First Response

107 ms

Resources Loaded

397 ms

Page Rendered

123 ms

oberwerk.com screenshot

About Website

Click here to check amazing Oberwerk content for United States. Otherwise, check out these important facts you probably never knew about oberwerk.com

The World's Leading Supplier of High-Powered Binoculars. Binocular telescopes, hand-held porro-prism and roof prism binoculars, mid-sized mounted binoculars.

Visit oberwerk.com

Key Findings

We analyzed Oberwerk.com page load time and found that the first response time was 107 ms and then it took 520 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

oberwerk.com performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value16.9 s

0/100

25%

SI (Speed Index)

Value16.3 s

0/100

10%

TBT (Total Blocking Time)

Value1,700 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value17.4 s

4/100

10%

Network Requests Diagram

oberwerk.com

107 ms

default.css

100 ms

obmenu.js

120 ms

urchin.js

11 ms

black-seal-96-50-whitetxt-oberwerkcorp-19001774.png

22 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that 80% of them (12 requests) were addressed to the original Oberwerk.com, 13% (2 requests) were made to Google-analytics.com and 7% (1 request) were made to Seal-dayton.bbb.org. The less responsive or slowest element that took the longest time to load (142 ms) belongs to the original domain Oberwerk.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 83.3 kB (32%)

Content Size

263.3 kB

After Optimization

180.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Oberwerk.com main page is 263.3 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. Only 5% of websites need less resources to load. Images take 166.0 kB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 57.1 kB

  • Original 62.0 kB
  • After minification 61.9 kB
  • After compression 4.9 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 57.1 kB or 92% of the original size.

Image Optimization

-2%

Potential reduce by 3.6 kB

  • Original 166.0 kB
  • After minification 162.5 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. Oberwerk images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 21.1 kB

  • Original 33.4 kB
  • After minification 29.7 kB
  • After compression 12.4 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 21.1 kB or 63% of the original size.

CSS Optimization

-84%

Potential reduce by 1.5 kB

  • Original 1.8 kB
  • After minification 1.0 kB
  • After compression 288 B

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. Oberwerk.com needs all CSS files to be minified and compressed as it can save up to 1.5 kB or 84% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

14

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Oberwerk. According to our analytics all requests are already optimized.

Network Requests Diagram

oberwerk.com

oberwerk.com

107 ms

default.css

default.css

100 ms

obmenu.js

obmenu.js

120 ms

urchin.js

urchin.js

11 ms

black-seal-96-50-whitetxt-oberwerkcorp-19001774.png

black-seal-96-50-whitetxt-oberwerkcorp-19001774.png

22 ms

obbanner7.jpg

obbanner7.jpg

42 ms

bt10045home700-3.jpg

bt10045home700-3.jpg

142 ms

pbrowser_safari.js

pbrowser_safari.js

36 ms

__utm.gif

__utm.gif

4 ms

oberwerk.com

oberwerk.com

21 ms

circle_4.gif

circle_4.gif

37 ms

medium_red_down.gif

medium_red_down.gif

39 ms

slider_bar_green.gif

slider_bar_green.gif

68 ms

medium_red_right.gif

medium_red_right.gif

69 ms

bt10045home700-1.jpg

bt10045home700-1.jpg

106 ms

Accessibility Review

oberwerk.com accessibility score

81

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

<frame> or <iframe> elements do not have a title

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

oberwerk.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

oberwerk.com SEO score

79

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

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

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Oberwerk.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Oberwerk.com main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

oberwerk.com

Open Graph description is not detected on the main page of Oberwerk. 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: