Report Summary

  • 91

    Performance

    Renders faster than
    91% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 82% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

smart-cities.eu

european smart cities

Page Load Speed

1.7 sec in total

First Response

368 ms

Resources Loaded

1.1 sec

Page Rendered

168 ms

smart-cities.eu screenshot

About Website

Visit smart-cities.eu now to see the best up-to-date Smart Cities content for United States and also check out these interesting facts you probably never knew about smart-cities.eu

Visit smart-cities.eu

Key Findings

We analyzed Smart-cities.eu page load time and found that the first response time was 368 ms and then it took 1.3 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

smart-cities.eu performance score

91

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

62/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

86/100

25%

SI (Speed Index)

Value3.4 s

89/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value2.7 s

97/100

10%

Network Requests Diagram

smart-cities.eu

368 ms

style_2014.css

105 ms

jquery-1.10.1.min.js

314 ms

highcharts.js

429 ms

highcharts-more.js

219 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that 93% of them (13 requests) were addressed to the original Smart-cities.eu, 7% (1 request) were made to Yandex.st. The less responsive or slowest element that took the longest time to load (548 ms) belongs to the original domain Smart-cities.eu.

Page Optimization Overview & Recommendations

Page size can be reduced by 365.1 kB (66%)

Content Size

554.6 kB

After Optimization

189.6 kB

In fact, the total size of Smart-cities.eu main page is 554.6 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. 25% of websites need less resources to load. Javascripts take 466.7 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 5.8 kB

  • Original 8.0 kB
  • After minification 7.5 kB
  • After compression 2.2 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. 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 5.8 kB or 72% of the original size.

Image Optimization

-17%

Potential reduce by 2.4 kB

  • Original 14.3 kB
  • After minification 11.9 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. Obviously, Smart Cities needs image optimization as it can save up to 2.4 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-64%

Potential reduce by 297.0 kB

  • Original 466.7 kB
  • After minification 462.9 kB
  • After compression 169.7 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 297.0 kB or 64% of the original size.

CSS Optimization

-91%

Potential reduce by 59.9 kB

  • Original 65.6 kB
  • After minification 51.3 kB
  • After compression 5.7 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. Smart-cities.eu needs all CSS files to be minified and compressed as it can save up to 59.9 kB or 91% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (62%)

Requests Now

13

After Optimization

5

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Smart Cities. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

smart-cities.eu accessibility score

93

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.

Best Practices

smart-cities.eu 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

smart-cities.eu SEO score

67

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Smart-cities.eu can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed German language. Our system also found out that Smart-cities.eu 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 description is not detected on the main page of Smart Cities. 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: