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isis.de screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

isis.de

ARCOR ERROR PAGE

Page Load Speed

1.4 sec in total

First Response

388 ms

Resources Loaded

981 ms

Page Rendered

64 ms

isis.de screenshot

About Website

Click here to check amazing Isis content. Otherwise, check out these important facts you probably never knew about isis.de

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Key Findings

We analyzed Isis.de page load time and found that the first response time was 388 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

isis.de performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

95/100

10%

LCP (Largest Contentful Paint)

Value1.5 s

100/100

25%

SI (Speed Index)

Value1.9 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.5 s

100/100

10%

Network Requests Diagram

isis.de

388 ms

styles.css

312 ms

error-server-php

100 ms

logo.gif

311 ms

error_ic.gif

493 ms

Our browser made a total of 9 requests to load all elements on the main page. We found that 22% of them (2 requests) were addressed to the original Isis.de, 78% (7 requests) were made to Arcor-online.net. The less responsive or slowest element that took the longest time to load (493 ms) relates to the external source Arcor-online.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.4 kB (29%)

Content Size

8.5 kB

After Optimization

6.1 kB

  • HTML
  • CSS

In fact, the total size of Isis.de main page is 8.5 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. Only 5% of websites need less resources to load. CSS take 7.2 kB which makes up the majority of the site volume.

HTML Optimization

-51%

Potential reduce by 651 B

  • Original 1.3 kB
  • After minification 1.2 kB
  • After compression 628 B

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 651 B or 51% of the original size.

CSS Optimization

-25%

Potential reduce by 1.8 kB

  • Original 7.2 kB
  • After minification 7.2 kB
  • After compression 5.4 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. Isis.de needs all CSS files to be minified and compressed as it can save up to 1.8 kB or 25% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

8

After Optimization

8

  • AJAX
  • Images
  • CSS

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Isis. According to our analytics all requests are already optimized.

Network Requests Diagram

isis.de

isis.de

388 ms

styles.css

styles.css

312 ms

error-server-php

error-server-php

100 ms

logo.gif

logo.gif

311 ms

error_ic.gif

error_ic.gif

493 ms

base.css

base.css

185 ms

skin.css

skin.css

94 ms

bg_header.gif

bg_header.gif

94 ms

bg_buttons.gif

bg_buttons.gif

93 ms

Accessibility Review

isis.de accessibility score

65

Accessibility Issues

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

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

Best Practices

isis.de best practices score

67

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

SEO Factors

isis.de SEO score

54

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Isis.de can be misinterpreted by Google and other search engines. Our service has detected that German 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 Isis.de main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

isis.de

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