Tools & Wizards About Us
histoforum.net screenshot

Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 42

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

histoforum.net

Histoforum, de site voor geschiedenis en ict

Page Load Speed

2.5 sec in total

First Response

185 ms

Resources Loaded

2.1 sec

Page Rendered

247 ms

histoforum.net screenshot

About Website

Visit histoforum.net now to see the best up-to-date Histoforum content for Belgium and also check out these interesting facts you probably never knew about histoforum.net

Histoforum is de website voor het geschiedenisonderwijs in Nederland met actuele informatie, les- toetsmateriaal en artikelen over de didactiek van het vak.

Visit histoforum.net

Key Findings

We analyzed Histoforum.net page load time and found that the first response time was 185 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 45% of websites can load faster.

Performance Metrics

histoforum.net performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

74/100

10%

LCP (Largest Contentful Paint)

Value11.7 s

0/100

25%

SI (Speed Index)

Value2.7 s

96/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.11

87/100

15%

TTI (Time to Interactive)

Value2.6 s

98/100

10%

Network Requests Diagram

histoforum.net

185 ms

histoforum.net

315 ms

slim-081711.css

24 ms

style.css

229 ms

jquery.core.js

304 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 91% of them (30 requests) were addressed to the original Histoforum.net, 3% (1 request) were made to Cdn-images.mailchimp.com and 3% (1 request) were made to Statcounter.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Histoforum.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 40.1 kB (2%)

Content Size

1.8 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Histoforum.net main page is 1.8 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. 20% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 15.4 kB

  • Original 19.4 kB
  • After minification 14.4 kB
  • After compression 4.0 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 4.9 kB, which is 25% 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 15.4 kB or 80% of the original size.

Image Optimization

-1%

Potential reduce by 15.4 kB

  • Original 1.7 MB
  • After minification 1.7 MB

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. Histoforum images are well optimized though.

JavaScript Optimization

-18%

Potential reduce by 8.4 kB

  • Original 48.0 kB
  • After minification 48.0 kB
  • After compression 39.6 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 8.4 kB or 18% of the original size.

CSS Optimization

-29%

Potential reduce by 950 B

  • Original 3.3 kB
  • After minification 3.3 kB
  • After compression 2.3 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. Histoforum.net needs all CSS files to be minified and compressed as it can save up to 950 B or 29% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (35%)

Requests Now

31

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Histoforum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

histoforum.net

histoforum.net

185 ms

histoforum.net

histoforum.net

315 ms

slim-081711.css

slim-081711.css

24 ms

style.css

style.css

229 ms

jquery.core.js

jquery.core.js

304 ms

jquery.superfish.js

jquery.superfish.js

231 ms

jquery.jcarousel.pack.js

jquery.jcarousel.pack.js

239 ms

jquery.easing.js

jquery.easing.js

236 ms

jquery.scripts.js

jquery.scripts.js

241 ms

counter.js

counter.js

38 ms

bg.gif

bg.gif

218 ms

top_bg.gif

top_bg.gif

220 ms

center_bg_repeat.gif

center_bg_repeat.gif

218 ms

logo252.png

logo252.png

291 ms

middle_banner_bg.gif

middle_banner_bg.gif

302 ms

manifest2.jpg

manifest2.jpg

670 ms

beeldenstormc.jpg

beeldenstormc.jpg

867 ms

willemc.jpg

willemc.jpg

817 ms

enduringc.jpg

enduringc.jpg

816 ms

featured-desc-bg.png

featured-desc-bg.png

517 ms

featured-button-off.png

featured-button-off.png

525 ms

center_bg_pages.gif

center_bg_pages.gif

730 ms

home_block_bg.gif

home_block_bg.gif

751 ms

histoforumlogo.png

histoforumlogo.png

901 ms

vaklogo.png

vaklogo.png

953 ms

leslogo.png

leslogo.png

971 ms

toetslogo.png

toetslogo.png

1038 ms

faqlogo.png

faqlogo.png

1044 ms

magazinelogo.png

magazinelogo.png

1160 ms

arrow.gif

arrow.gif

1127 ms

footer_bg.jpg

footer_bg.jpg

1242 ms

t.php

t.php

95 ms

featured-button-on.png

featured-button-on.png

1165 ms

Accessibility Review

histoforum.net accessibility score

74

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.

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

histoforum.net best practices score

42

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

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

histoforum.net SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    NL

  • 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 Histoforum.net can be misinterpreted by Google and other search engines. Our service has detected that Dutch 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 Histoforum.net 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

histoforum.net

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