Report Summary

  • 53

    Performance

    Renders faster than
    71% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

xenco.com

Emergency Response Laboratory | Well Water Testing Laboratory - Xenco Laboratories Environmental Testing

Page Load Speed

2.3 sec in total

First Response

179 ms

Resources Loaded

2 sec

Page Rendered

159 ms

xenco.com screenshot

About Website

Click here to check amazing Xenco content. Otherwise, check out these important facts you probably never knew about xenco.com

Our goal is to provide accurate and defensible analytical data for our clients to make sound decisions in support of environmental projects

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Key Findings

We analyzed Xenco.com page load time and found that the first response time was 179 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

xenco.com performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

20/100

10%

LCP (Largest Contentful Paint)

Value20.0 s

0/100

25%

SI (Speed Index)

Value5.4 s

57/100

10%

TBT (Total Blocking Time)

Value240 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value0.05

99/100

15%

TTI (Time to Interactive)

Value7.8 s

44/100

10%

Network Requests Diagram

xenco.com

179 ms

Env

338 ms

Jquery-3.6.1.min.js

109 ms

OtAutoBlock.js

56 ms

otSDKStub.js

91 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Xenco.com, 56% (28 requests) were made to Eurofinsus.com and 10% (5 requests) were made to Cdnmedia.eurofins.com. The less responsive or slowest element that took the longest time to load (436 ms) relates to the external source Eurofinsus.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 386.5 kB (9%)

Content Size

4.2 MB

After Optimization

3.8 MB

In fact, the total size of Xenco.com main page is 4.2 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.5 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 93.8 kB

  • Original 109.0 kB
  • After minification 83.6 kB
  • After compression 15.2 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 25.4 kB, which is 23% 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 93.8 kB or 86% of the original size.

Image Optimization

-5%

Potential reduce by 164.4 kB

  • Original 3.5 MB
  • After minification 3.4 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. Xenco images are well optimized though.

JavaScript Optimization

-24%

Potential reduce by 104.3 kB

  • Original 431.9 kB
  • After minification 431.7 kB
  • After compression 327.6 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 104.3 kB or 24% of the original size.

CSS Optimization

-19%

Potential reduce by 24.1 kB

  • Original 129.6 kB
  • After minification 129.6 kB
  • After compression 105.4 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. Xenco.com needs all CSS files to be minified and compressed as it can save up to 24.1 kB or 19% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (60%)

Requests Now

48

After Optimization

19

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Xenco. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

xenco.com accessibility score

79

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

[id] attributes on active, focusable elements are not unique

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

xenco.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

xenco.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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Xenco.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 Xenco.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

Open Graph data is detected on the main page of Xenco. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: