Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

eppendorf.us

Laboratory equipment, supplies & services - Eppendorf US

Page Load Speed

2.4 sec in total

First Response

305 ms

Resources Loaded

1.8 sec

Page Rendered

297 ms

eppendorf.us screenshot

About Website

Welcome to eppendorf.us homepage info - get ready to check Eppendorf best content for United States right away, or after learning these important things about eppendorf.us

Eppendorf SE is a leading life sciences company and develops and sells devices, consumables and services for use in laboratories worldwide.

Visit eppendorf.us

Key Findings

We analyzed Eppendorf.us page load time and found that the first response time was 305 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

eppendorf.us performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

20/100

10%

LCP (Largest Contentful Paint)

Value9.6 s

0/100

25%

SI (Speed Index)

Value9.0 s

14/100

10%

TBT (Total Blocking Time)

Value1,740 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.033

100/100

15%

TTI (Time to Interactive)

Value9.9 s

27/100

10%

Network Requests Diagram

eppendorf.us

305 ms

415 ms

addons_responsive.css

39 ms

col-flyout.css

33 ms

vendors~main.css

76 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 5% of them (1 request) were addressed to the original Eppendorf.us, 64% (14 requests) were made to Eppendorf.com and 14% (3 requests) were made to Cdn.cookielaw.org. The less responsive or slowest element that took the longest time to load (482 ms) relates to the external source Cdn-eu.dynamicyield.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 779.6 kB (94%)

Content Size

830.7 kB

After Optimization

51.1 kB

In fact, the total size of Eppendorf.us main page is 830.7 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. 45% of websites need less resources to load. HTML takes 822.7 kB which makes up the majority of the site volume.

HTML Optimization

-95%

Potential reduce by 779.5 kB

  • Original 822.7 kB
  • After minification 464.7 kB
  • After compression 43.2 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 358.0 kB, which is 44% 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 779.5 kB or 95% of the original size.

JavaScript Optimization

-0%

Potential reduce by 24 B

  • Original 8.0 kB
  • After minification 8.0 kB
  • After compression 8.0 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.

Requests Breakdown

Number of requests can be reduced by 12 (71%)

Requests Now

17

After Optimization

5

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Eppendorf. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

eppendorf.us accessibility score

77

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

Image elements do not have [alt] attributes

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

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

eppendorf.us 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

Missing source maps for large first-party JavaScript

SEO Factors

eppendorf.us SEO score

77

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

High

Image elements do not have [alt] attributes

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

High

Tap targets are not sized appropriately

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 Eppendorf.us 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 Eppendorf.us 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 Eppendorf. 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: