Report Summary

  • 48

    Performance

    Renders faster than
    67% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

friesland.serc.nl

Friesland - Serc

Page Load Speed

29.3 sec in total

First Response

12.3 sec

Resources Loaded

14.8 sec

Page Rendered

2.2 sec

friesland.serc.nl screenshot

About Website

Visit friesland.serc.nl now to see the best up-to-date Friesland Serc content for Netherlands and also check out these interesting facts you probably never knew about friesland.serc.nl

Alles wat u wilt weten over iedere gemeente, iedere stad, ieder dorp en zelfs iedere wijk. Weten waar de winkels zijn. Alles lezen over de geschiedenis van een bepaalde plaats. Welke huizen staan in d...

Visit friesland.serc.nl

Key Findings

We analyzed Friesland.serc.nl page load time and found that the first response time was 12.3 sec and then it took 17 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

friesland.serc.nl performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value4.9 s

64/100

10%

TBT (Total Blocking Time)

Value520 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value8.9 s

34/100

10%

Network Requests Diagram

friesland.serc.nl

12323 ms

head-9fa88688534dfaae0e008e32b0d35e2e.merged.gz.css

185 ms

head-91f29f7ab252444a662ae35b086f40b6.merged.gz.css

198 ms

head-94adc1bb17d6cd70e882adeb106d8921.merged.gz.js

566 ms

show_ads.js

177 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 38% of them (26 requests) were addressed to the original Friesland.serc.nl, 7% (5 requests) were made to Googleads.g.doubleclick.net and 6% (4 requests) were made to Ads.serc.nl. The less responsive or slowest element that took the longest time to load (12.3 sec) belongs to the original domain Friesland.serc.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 793.4 kB (62%)

Content Size

1.3 MB

After Optimization

478.1 kB

In fact, the total size of Friesland.serc.nl 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. 50% of websites need less resources to load. Javascripts take 804.4 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 88.4 kB

  • Original 107.5 kB
  • After minification 107.1 kB
  • After compression 19.1 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 88.4 kB or 82% of the original size.

Image Optimization

-6%

Potential reduce by 13.4 kB

  • Original 234.3 kB
  • After minification 221.0 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. Friesland Serc images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 583.4 kB

  • Original 804.4 kB
  • After minification 804.2 kB
  • After compression 221.0 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 583.4 kB or 73% of the original size.

CSS Optimization

-86%

Potential reduce by 108.3 kB

  • Original 125.3 kB
  • After minification 123.3 kB
  • After compression 17.0 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. Friesland.serc.nl needs all CSS files to be minified and compressed as it can save up to 108.3 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (47%)

Requests Now

53

After Optimization

28

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Friesland Serc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

friesland.serc.nl accessibility score

70

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

friesland.serc.nl best practices score

67

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

friesland.serc.nl SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    NL

  • Language Claimed

    NL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Friesland.serc.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it matches the claimed language. Our system also found out that Friesland.serc.nl 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 Friesland Serc. 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: