Report Summary

  • 76

    Performance

    Renders faster than
    84% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

ostenfeld.nu

Ostenfeld Electronics ApS - Hard-To-Find Components Specialist

Page Load Speed

3.4 sec in total

First Response

1.1 sec

Resources Loaded

2.2 sec

Page Rendered

158 ms

ostenfeld.nu screenshot

About Website

Visit ostenfeld.nu now to see the best up-to-date Ostenfeld content and also check out these interesting facts you probably never knew about ostenfeld.nu

We've helped clients finding all types of components, including active, passive and electromagnetic through our network since beeing established in 2007.

Visit ostenfeld.nu

Key Findings

We analyzed Ostenfeld.nu page load time and found that the first response time was 1.1 sec and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

ostenfeld.nu performance score

76

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

78/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

20/100

25%

SI (Speed Index)

Value3.5 s

88/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.019

100/100

15%

TTI (Time to Interactive)

Value3.3 s

94/100

10%

Network Requests Diagram

ostenfeld.nu

1079 ms

wp-emoji-release.min.js

130 ms

integrity-light.css

285 ms

integrity-light.css

191 ms

css

16 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 67% of them (18 requests) were addressed to the original Ostenfeld.nu, 15% (4 requests) were made to Fonts.gstatic.com and 7% (2 requests) were made to Theme.co. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Ostenfeld.nu.

Page Optimization Overview & Recommendations

Page size can be reduced by 30.7 kB (6%)

Content Size

518.8 kB

After Optimization

488.0 kB

In fact, the total size of Ostenfeld.nu main page is 518.8 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. 35% of websites need less resources to load. Images take 351.5 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 22.2 kB

  • Original 30.1 kB
  • After minification 29.7 kB
  • After compression 7.9 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 22.2 kB or 74% of the original size.

Image Optimization

-2%

Potential reduce by 8.0 kB

  • Original 351.5 kB
  • After minification 343.5 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. Ostenfeld images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 349 B

  • Original 109.3 kB
  • After minification 109.3 kB
  • After compression 108.9 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

-1%

Potential reduce by 166 B

  • Original 27.9 kB
  • After minification 27.9 kB
  • After compression 27.7 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. Ostenfeld.nu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 11 (61%)

Requests Now

18

After Optimization

7

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ostenfeld. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

ostenfeld.nu accessibility score

96

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.

Best Practices

ostenfeld.nu 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

ostenfeld.nu 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 Ostenfeld.nu 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 Ostenfeld.nu 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 Ostenfeld. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: