Report Summary

  • 74

    Performance

    Renders faster than
    83% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

grefab.se

Grefab - Göteborgs Stad

Page Load Speed

3.1 sec in total

First Response

853 ms

Resources Loaded

2.1 sec

Page Rendered

127 ms

grefab.se screenshot

About Website

Visit grefab.se now to see the best up-to-date Grefab content for Sweden and also check out these interesting facts you probably never knew about grefab.se

Välkommen till Grefab, Göteborgsregionens Fritidshamnar AB. Du når oss på telefon 031 - 368 58 00.

Visit grefab.se

Key Findings

We analyzed Grefab.se page load time and found that the first response time was 853 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

grefab.se performance score

74

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

62/100

25%

SI (Speed Index)

Value6.8 s

35/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.2 s

62/100

10%

Network Requests Diagram

grefab.se

853 ms

reflection.js

297 ms

style.css

309 ms

jquery-ui.css

7 ms

anylinkcssmenu.css

232 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 72% of them (28 requests) were addressed to the original Grefab.se, 10% (4 requests) were made to Translate.googleapis.com and 5% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Grefab.se.

Page Optimization Overview & Recommendations

Page size can be reduced by 493.7 kB (66%)

Content Size

746.8 kB

After Optimization

253.1 kB

In fact, the total size of Grefab.se main page is 746.8 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. 20% of websites need less resources to load. Javascripts take 624.7 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 62.5 kB

  • Original 70.4 kB
  • After minification 41.9 kB
  • After compression 7.9 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 28.5 kB, which is 40% 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 62.5 kB or 89% of the original size.

Image Optimization

-4%

Potential reduce by 1.7 kB

  • Original 39.8 kB
  • After minification 38.1 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. Grefab images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 422.5 kB

  • Original 624.7 kB
  • After minification 606.9 kB
  • After compression 202.2 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 422.5 kB or 68% of the original size.

CSS Optimization

-59%

Potential reduce by 7.0 kB

  • Original 11.9 kB
  • After minification 9.6 kB
  • After compression 4.9 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. Grefab.se needs all CSS files to be minified and compressed as it can save up to 7.0 kB or 59% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (63%)

Requests Now

38

After Optimization

14

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Grefab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

grefab.se accessibility score

100

Accessibility Issues

Best Practices

grefab.se best practices score

83

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

Missing source maps for large first-party JavaScript

SEO Factors

grefab.se SEO score

93

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    SV

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Grefab.se can be misinterpreted by Google and other search engines. Our service has detected that Swedish 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 Grefab.se main page’s claimed encoding is iso-8859-1. 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

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