Tools & Wizards About Us
altheris.com screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 88

    SEO

    Google-friendlier than
    66% of websites

altheris.com

Sensors, Instrumentation & Measurement systems | Althen Sensors

Page Load Speed

5.3 sec in total

First Response

446 ms

Resources Loaded

3.5 sec

Page Rendered

1.3 sec

altheris.com screenshot

About Website

Visit altheris.com now to see the best up-to-date Altheris content for Tunisia and also check out these interesting facts you probably never knew about altheris.com

Althen Sensors is your partner for standard and customized sensors and measurement systems for OEM, Test & Measurement and Industrial IoT Applications.

Visit altheris.com

Key Findings

We analyzed Altheris.com page load time and found that the first response time was 446 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

altheris.com performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

6/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

19/100

25%

SI (Speed Index)

Value22.4 s

0/100

10%

TBT (Total Blocking Time)

Value18,850 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.179

68/100

15%

TTI (Time to Interactive)

Value28.2 s

0/100

10%

Network Requests Diagram

altheris.com

446 ms

www.althensensors.com

1117 ms

css

273 ms

fonts.css

380 ms

picturefill.js

606 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Altheris.com, 83% (43 requests) were made to Althensensors.com and 4% (2 requests) were made to Code.etracker.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Althensensors.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 218.5 kB (39%)

Content Size

556.2 kB

After Optimization

337.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Altheris.com main page is 556.2 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. 55% of websites need less resources to load. Images take 253.6 kB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 186.7 kB

  • Original 204.8 kB
  • After minification 146.8 kB
  • After compression 18.1 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 57.9 kB, which is 28% 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 186.7 kB or 91% of the original size.

Image Optimization

-8%

Potential reduce by 19.5 kB

  • Original 253.6 kB
  • After minification 234.1 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. Altheris images are well optimized though.

JavaScript Optimization

-12%

Potential reduce by 12.1 kB

  • Original 97.4 kB
  • After minification 97.4 kB
  • After compression 85.3 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 12.1 kB or 12% of the original size.

CSS Optimization

-43%

Potential reduce by 151 B

  • Original 352 B
  • After minification 352 B
  • After compression 201 B

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. Altheris.com needs all CSS files to be minified and compressed as it can save up to 151 B or 43% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (20%)

Requests Now

44

After Optimization

35

  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Altheris. 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 as a result speed up the page load time.

Network Requests Diagram

altheris.com

altheris.com

446 ms

www.althensensors.com

www.althensensors.com

1117 ms

css

css

273 ms

fonts.css

fonts.css

380 ms

picturefill.js

picturefill.js

606 ms

e.js

e.js

663 ms

js

js

739 ms

banner.js

banner.js

55 ms

jsPerplex

jsPerplex

814 ms

ping.js

ping.js

91 ms

hotjar-1573224.js

hotjar-1573224.js

117 ms

modules.61e17720cf639c3e96a7.js

modules.61e17720cf639c3e96a7.js

29 ms

t.js

t.js

202 ms

logo-print.png

logo-print.png

217 ms

icon-flag-united-kingdom.png

icon-flag-united-kingdom.png

220 ms

icon-flag-netherlands.png

icon-flag-netherlands.png

217 ms

icon-flag-germany.png

icon-flag-germany.png

217 ms

icon_france_flag.png

icon_france_flag.png

218 ms

industrial_sensors_althen_sensors.jpg

industrial_sensors_althen_sensors.jpg

328 ms

instrumentation_althen_sensors.jpg

instrumentation_althen_sensors.jpg

328 ms

measurement_systems_althen_sensors.jpg

measurement_systems_althen_sensors.jpg

406 ms

tu-delft-logo.jpg

tu-delft-logo.jpg

329 ms

wartsila-logo.jpg

wartsila-logo.jpg

406 ms

alstom-logo.jpg

alstom-logo.jpg

406 ms

abb-logo.jpg

abb-logo.jpg

406 ms

airbus-defence-space-logo.jpg

airbus-defence-space-logo.jpg

406 ms

asml-logo.jpg

asml-logo.jpg

452 ms

good-year-logo.jpg

good-year-logo.jpg

453 ms

hardt-hyperloop-logo.jpg

hardt-hyperloop-logo.jpg

499 ms

ihc-iqip-logo.jpg

ihc-iqip-logo.jpg

498 ms

philips-healthcare-logo.jpg

philips-healthcare-logo.jpg

498 ms

skf-logo.jpg

skf-logo.jpg

452 ms

spie-logo.jpg

spie-logo.jpg

541 ms

thales-cryogenics-logo.jpg

thales-cryogenics-logo.jpg

1065 ms

tno-logo.jpg

tno-logo.jpg

591 ms

tvh-logo.jpg

tvh-logo.jpg

593 ms

logo_liebherr_167x80.jpg

logo_liebherr_167x80.jpg

592 ms

logo_tesat_167x80.jpg

logo_tesat_167x80.jpg

592 ms

logo-audi.jpg

logo-audi.jpg

770 ms

logo_stoecklin_167x80.jpg

logo_stoecklin_167x80.jpg

643 ms

logo_sml_167x80.jpg

logo_sml_167x80.jpg

713 ms

logo_kumovis_167x80.jpg

logo_kumovis_167x80.jpg

712 ms

iso-9000-quality-management-system-international-organization-for-standardization-iso-9001-2015-quality-e2a19b65aae096c5e49489e65effe1de.png

iso-9000-quality-management-system-international-organization-for-standardization-iso-9001-2015-quality-e2a19b65aae096c5e49489e65effe1de.png

713 ms

fhi-althen-sensors-controls-deelnemer-fhi-federatie-technologiebranches.png

fhi-althen-sensors-controls-deelnemer-fhi-federatie-technologiebranches.png

773 ms

ama-logo.png

ama-logo.png

782 ms

EncodeSans-Regular_17062021.woff

EncodeSans-Regular_17062021.woff

460 ms

EncodeSans-Light_17062021.woff

EncodeSans-Light_17062021.woff

458 ms

EncodeSans-ExtraLight_17062021.woff

EncodeSans-ExtraLight_17062021.woff

543 ms

EncodeSans-SemiBold_17062021.woff

EncodeSans-SemiBold_17062021.woff

660 ms

EncodeSans-Bold_17062021.woff

EncodeSans-Bold_17062021.woff

659 ms

insight.min.js

insight.min.js

77 ms

cntcc

cntcc

635 ms

Accessibility Review

altheris.com accessibility score

68

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes do not have valid values

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

altheris.com best practices score

50

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

altheris.com SEO score

88

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

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 Altheris.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 Altheris.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

altheris.com

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