Tools & Wizards About Us
spaceinvaders.de screenshot

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 79% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

spaceinvaders.de

Space Invaders - The classic videogame // Play Space Invaders online!

Page Load Speed

1.5 sec in total

First Response

272 ms

Resources Loaded

1.1 sec

Page Rendered

127 ms

spaceinvaders.de screenshot

About Website

Welcome to spaceinvaders.de homepage info - get ready to check Space Invaders best content right away, or after learning these important things about spaceinvaders.de

Space Invaders Shrine - all about the classic video game Space Invaders + more

Visit spaceinvaders.de

Key Findings

We analyzed Spaceinvaders.de page load time and found that the first response time was 272 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

spaceinvaders.de performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

94/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value1.6 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)

Value1.6 s

100/100

10%

Network Requests Diagram

spaceinvaders.de

272 ms

ga.js

11 ms

inavers.gif

103 ms

Space_invaders_logo.png

401 ms

cabinet.png

801 ms

Our browser made a total of 6 requests to load all elements on the main page. We found that 67% of them (4 requests) were addressed to the original Spaceinvaders.de, 33% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (801 ms) belongs to the original domain Spaceinvaders.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 14.2 kB (5%)

Content Size

298.1 kB

After Optimization

283.8 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Spaceinvaders.de main page is 298.1 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 10% of websites need less resources to load. Images take 272.2 kB which makes up the majority of the site volume.

HTML Optimization

-60%

Potential reduce by 5.2 kB

  • Original 8.7 kB
  • After minification 8.3 kB
  • After compression 3.5 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 5.2 kB or 60% of the original size.

Image Optimization

-3%

Potential reduce by 9.0 kB

  • Original 272.2 kB
  • After minification 263.2 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. Space Invaders images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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. This website has mostly compressed JavaScripts.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

  • Images
  • JavaScript

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Space Invaders. According to our analytics all requests are already optimized.

Network Requests Diagram

spaceinvaders.de

spaceinvaders.de

272 ms

ga.js

ga.js

11 ms

inavers.gif

inavers.gif

103 ms

Space_invaders_logo.png

Space_invaders_logo.png

401 ms

cabinet.png

cabinet.png

801 ms

__utm.gif

__utm.gif

12 ms

Accessibility Review

spaceinvaders.de accessibility score

92

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

Best Practices

spaceinvaders.de best practices score

75

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

spaceinvaders.de SEO score

67

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

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 Spaceinvaders.de 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 Spaceinvaders.de 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

spaceinvaders.de

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