Tools & Wizards About Us
brillonline.nl screenshot

Report Summary

  • 6

    Performance

    Renders faster than
    21% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 70

    SEO

    Google-friendlier than
    29% of websites

brillonline.nl

Brill

Page Load Speed

3.1 sec in total

First Response

605 ms

Resources Loaded

2.1 sec

Page Rendered

325 ms

brillonline.nl screenshot

About Website

Click here to check amazing Brill Online content for United States. Otherwise, check out these important facts you probably never knew about brillonline.nl

Founded in 1683 in Leiden, the Netherlands, Brill is a leading international academic publisher in the Humanities, Social Sciences, International Law, and Biology. With offices in the Netherlands, Ger...

Visit brillonline.nl

Key Findings

We analyzed Brillonline.nl page load time and found that the first response time was 605 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

brillonline.nl performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value16.9 s

0/100

25%

SI (Speed Index)

Value24.5 s

0/100

10%

TBT (Total Blocking Time)

Value26,700 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.314

37/100

15%

TTI (Time to Interactive)

Value46.5 s

0/100

10%

Network Requests Diagram

brillonline.nl

605 ms

brill.css;jsessionid=F8CBD4385E4227D6BEAE5EB9298C691E

343 ms

linkinghub.css

347 ms

modernizr.js;jsessionid=F8CBD4385E4227D6BEAE5EB9298C691E

256 ms

jquery.min.js

32 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 39% of them (16 requests) were addressed to the original Brillonline.nl, 20% (8 requests) were made to Static.ribo.brill.semcs.net and 12% (5 requests) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Brillonline.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 340.4 kB (58%)

Content Size

582.6 kB

After Optimization

242.1 kB

  • HTML
  • JavaScript

In fact, the total size of Brillonline.nl main page is 582.6 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. 55% of websites need less resources to load. Javascripts take 460.0 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 94.6 kB

  • Original 122.6 kB
  • After minification 106.3 kB
  • After compression 28.0 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 16.3 kB, which is 13% 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 94.6 kB or 77% of the original size.

JavaScript Optimization

-53%

Potential reduce by 245.8 kB

  • Original 460.0 kB
  • After minification 459.9 kB
  • After compression 214.2 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 245.8 kB or 53% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (69%)

Requests Now

35

After Optimization

11

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Brill Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

brillonline.nl

brillonline.nl

605 ms

brill.css;jsessionid=F8CBD4385E4227D6BEAE5EB9298C691E

brill.css;jsessionid=F8CBD4385E4227D6BEAE5EB9298C691E

343 ms

linkinghub.css

linkinghub.css

347 ms

modernizr.js;jsessionid=F8CBD4385E4227D6BEAE5EB9298C691E

modernizr.js;jsessionid=F8CBD4385E4227D6BEAE5EB9298C691E

256 ms

jquery.min.js

jquery.min.js

32 ms

jquery.validate.min.js

jquery.validate.min.js

59 ms

plugins.js

plugins.js

462 ms

script.js

script.js

372 ms

star-uuid.js

star-uuid.js

309 ms

mustache.min.js

mustache.min.js

13 ms

linkinghub.js

linkinghub.js

286 ms

bg-header-ref.jpg

bg-header-ref.jpg

93 ms

logo_brill.png

logo_brill.png

311 ms

Reference-big-icon.png

Reference-big-icon.png

414 ms

gb.gif

gb.gif

183 ms

fr.gif

fr.gif

182 ms

de.jpg

de.jpg

235 ms

header-icons.png

header-icons.png

102 ms

bg-main-nav.png

bg-main-nav.png

101 ms

no-bg-access.png

no-bg-access.png

171 ms

full-bg-access.png

full-bg-access.png

177 ms

oa-bg-access.png

oa-bg-access.png

178 ms

BrillRoman.woff

BrillRoman.woff

966 ms

BrillBold.woff

BrillBold.woff

797 ms

SBL_Hbrw.woff

SBL_Hbrw.woff

572 ms

BrillItalic.woff

BrillItalic.woff

927 ms

BrillBoldItalic.woff

BrillBoldItalic.woff

1171 ms

ga.js

ga.js

26 ms

gtm.js

gtm.js

59 ms

__utm.gif

__utm.gif

30 ms

analytics.js

analytics.js

15 ms

collect

collect

25 ms

addthis_widget.js

addthis_widget.js

61 ms

loading.gif

loading.gif

180 ms

chosen-sprite.png

chosen-sprite.png

258 ms

addthis_widget.js

addthis_widget.js

7 ms

300lo.json

300lo.json

50 ms

385.a1b89ff397c1dae17be0.js

385.a1b89ff397c1dae17be0.js

10 ms

348.9c2217d3e2e7f2399fc1.js

348.9c2217d3e2e7f2399fc1.js

8 ms

sh.8e5f85691f9aaa082472a194.html

sh.8e5f85691f9aaa082472a194.html

29 ms

nr-852.min.js

nr-852.min.js

44 ms

Accessibility Review

brillonline.nl accessibility score

84

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

High

ARIA input fields do not have accessible names

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

brillonline.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

brillonline.nl SEO score

70

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

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

brillonline.nl

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