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altex.org screenshot

Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

altex.org

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Page Load Speed

4.3 sec in total

First Response

358 ms

Resources Loaded

3.7 sec

Page Rendered

186 ms

altex.org screenshot

About Website

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

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Key Findings

We analyzed Altex.org page load time and found that the first response time was 358 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

altex.org performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

59/100

25%

SI (Speed Index)

Value8.0 s

21/100

10%

TBT (Total Blocking Time)

Value250 ms

84/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.3 s

32/100

10%

Network Requests Diagram

altex.org

358 ms

altex

1575 ms

css

773 ms

3R_Logo.png

417 ms

pageHeaderLogoImage_en_US.png

521 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 95% of them (18 requests) were addressed to the original Altex.org, 5% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Altex.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 526.3 kB (39%)

Content Size

1.3 MB

After Optimization

821.3 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Altex.org main page is 1.3 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. 20% of websites need less resources to load. Images take 742.5 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 29.0 kB

  • Original 37.6 kB
  • After minification 30.9 kB
  • After compression 8.6 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 6.7 kB, which is 18% 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 29.0 kB or 77% of the original size.

Image Optimization

-10%

Potential reduce by 75.7 kB

  • Original 742.5 kB
  • After minification 666.8 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. Altex images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 421.6 kB

  • Original 567.5 kB
  • After minification 553.7 kB
  • After compression 145.9 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 421.6 kB or 74% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (41%)

Requests Now

17

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Altex. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

altex.org

altex.org

358 ms

altex

altex

1575 ms

css

css

773 ms

3R_Logo.png

3R_Logo.png

417 ms

pageHeaderLogoImage_en_US.png

pageHeaderLogoImage_en_US.png

521 ms

SpringerSpektrumLogo.png

SpringerSpektrumLogo.png

218 ms

jquery.min.js

jquery.min.js

632 ms

jquery-ui.min.js

jquery-ui.min.js

956 ms

jquery.tag-it.js

jquery.tag-it.js

419 ms

bootstrap.min.js

bootstrap.min.js

421 ms

altex.js

altex.js

420 ms

feather.js

feather.js

938 ms

footer.js

footer.js

526 ms

cover_issue_165_de_DE.png

cover_issue_165_de_DE.png

317 ms

article_2830_cover_en_US.jpg

article_2830_cover_en_US.jpg

209 ms

EUSAAT_Advert.png

EUSAAT_Advert.png

417 ms

advert_FelixWankel.png

advert_FelixWankel.png

462 ms

tierethik.png

tierethik.png

729 ms

js

js

55 ms

Accessibility Review

altex.org accessibility score

85

Accessibility Issues

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

altex.org best practices score

75

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

altex.org SEO score

91

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 Altex.org 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 Altex.org 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

altex.org

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