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Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

spexeurope.com

SPEX CertiPrep - SPEX CertiPrep Inorganic and Organic Certified Reference Materials

Page Load Speed

1.9 sec in total

First Response

740 ms

Resources Loaded

1.1 sec

Page Rendered

73 ms

spexeurope.com screenshot

About Website

Welcome to spexeurope.com homepage info - get ready to check SPEX Europe best content right away, or after learning these important things about spexeurope.com

SPEX CertiPrep Organic and Inorganic Certified Reference Materials. Serving the scientific community since 1954. Based in Metuchen, NJ.

Visit spexeurope.com

Key Findings

We analyzed Spexeurope.com page load time and found that the first response time was 740 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

spexeurope.com performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

8/100

10%

LCP (Largest Contentful Paint)

Value70.2 s

0/100

25%

SI (Speed Index)

Value31.2 s

0/100

10%

TBT (Total Blocking Time)

Value660 ms

45/100

30%

CLS (Cumulative Layout Shift)

Value0.258

48/100

15%

TTI (Time to Interactive)

Value50.0 s

0/100

10%

Network Requests Diagram

spexeurope.com

740 ms

www.spexeurope.com

197 ms

spex.com

58 ms

www.spex.com

55 ms

main.css

6 ms

Our browser made a total of 6 requests to load all elements on the main page. We found that 33% of them (2 requests) were addressed to the original Spexeurope.com, 50% (3 requests) were made to Spex.com and 17% (1 request) were made to Performance.radar.cloudflare.com. The less responsive or slowest element that took the longest time to load (740 ms) belongs to the original domain Spexeurope.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.4 kB (46%)

Content Size

7.5 kB

After Optimization

4.1 kB

  • HTML
  • CSS

In fact, the total size of Spexeurope.com main page is 7.5 kB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 5.3 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 3.4 kB

  • Original 5.3 kB
  • After minification 4.9 kB
  • After compression 1.9 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 3.4 kB or 64% of the original size.

CSS Optimization

-1%

Potential reduce by 13 B

  • Original 2.2 kB
  • After minification 2.2 kB
  • After compression 2.2 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. Spexeurope.com has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

1

After Optimization

1

  • CSS

The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SPEX Europe. According to our analytics all requests are already optimized.

Network Requests Diagram

spexeurope.com

spexeurope.com

740 ms

www.spexeurope.com

www.spexeurope.com

197 ms

spex.com

spex.com

58 ms

www.spex.com

www.spex.com

55 ms

main.css

main.css

6 ms

beacon.js

beacon.js

49 ms

Accessibility Review

spexeurope.com accessibility score

82

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

spexeurope.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

spexeurope.com SEO score

84

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

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 Spexeurope.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 Spexeurope.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

spexeurope.com

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