Tools & Wizards About Us

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

ols-bio.de

OLS – Your Partner in Cell Research

Page Load Speed

6.8 sec in total

First Response

343 ms

Resources Loaded

5.3 sec

Page Rendered

1.1 sec

About Website

Click here to check amazing OLS Bio content. Otherwise, check out these important facts you probably never knew about ols-bio.de

Cutting edge solutions for cell-based research. Focusing on people and innovations throughout, our mission is to promote research in Life Sciences.

Visit ols-bio.de

Key Findings

We analyzed Ols-bio.de page load time and found that the first response time was 343 ms and then it took 6.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

ols-bio.de performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value13.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value21.3 s

0/100

25%

SI (Speed Index)

Value14.1 s

1/100

10%

TBT (Total Blocking Time)

Value480 ms

60/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value21.4 s

1/100

10%

Network Requests Diagram

ols-bio.de

343 ms

www.ols-bio.de

647 ms

classic-themes.min.css

204 ms

styles.css

309 ms

intlTelInput.min.css

318 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 78% of them (54 requests) were addressed to the original Ols-bio.de, 9% (6 requests) were made to and 4% (3 requests) were made to Ols-odoo.odoo.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Reallyfreegeoip.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 248.2 kB (5%)

Content Size

4.5 MB

After Optimization

4.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ols-bio.de main page is 4.5 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. CSS take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 102.8 kB

  • Original 120.0 kB
  • After minification 96.9 kB
  • After compression 17.2 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 23.2 kB, which is 19% 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 102.8 kB or 86% of the original size.

Image Optimization

-1%

Potential reduce by 17.4 kB

  • Original 1.6 MB
  • After minification 1.6 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. OLS Bio images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 17.1 kB

  • Original 576.8 kB
  • After minification 576.8 kB
  • After compression 559.7 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

-5%

Potential reduce by 111.0 kB

  • Original 2.2 MB
  • After minification 2.2 MB
  • After compression 2.1 MB

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. Ols-bio.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 36 (61%)

Requests Now

59

After Optimization

23

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OLS Bio. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

ols-bio.de accessibility score

100

Accessibility Issues

Best Practices

ols-bio.de best practices score

75

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

ols-bio.de SEO score

100

Search Engine Optimization Advices

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 Ols-bio.de 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 Ols-bio.de 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 OLS Bio. 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: