Tools & Wizards About Us
tg.nl screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    47% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

tg.nl

Bureau voor advies en management - TwynstraGudde - Maatschappelijke transities werkend krijgen

Page Load Speed

3.1 sec in total

First Response

342 ms

Resources Loaded

2.3 sec

Page Rendered

488 ms

tg.nl screenshot

About Website

Visit tg.nl now to see the best up-to-date Tg content and also check out these interesting facts you probably never knew about tg.nl

Met onze adviseurs, managers en opleiders dragen we bij aan duurzame, maatschappelijke veranderingen. De uitdagingen zijn groot, maar onze kracht ligt in daadkracht. We laten transities werken.

Visit tg.nl

Key Findings

We analyzed Tg.nl page load time and found that the first response time was 342 ms and then it took 2.8 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

tg.nl performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value11.2 s

5/100

10%

TBT (Total Blocking Time)

Value1,040 ms

25/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value20.8 s

2/100

10%

Network Requests Diagram

www.twynstragudde.nl

342 ms

jquery-1.11.2.js

83 ms

main.min.css

97 ms

module_121616811349_artikelenbox.min.css

66 ms

module_123738577929_opleidingenbox.min.css

70 ms

Our browser made a total of 79 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Tg.nl, 6% (5 requests) were made to D10lpsik1i8c69.cloudfront.net and 3% (2 requests) were made to Cdn2.hubspot.net. The less responsive or slowest element that took the longest time to load (935 ms) relates to the external source Twynstragudde.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 155.4 kB (6%)

Content Size

2.6 MB

After Optimization

2.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tg.nl main page is 2.6 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. 70% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 143.5 kB

  • Original 171.3 kB
  • After minification 149.4 kB
  • After compression 27.8 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 21.9 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 143.5 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 82 B

  • Original 2.2 MB
  • After minification 2.2 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. Tg images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 6.5 kB

  • Original 199.4 kB
  • After minification 199.4 kB
  • After compression 192.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-14%

Potential reduce by 5.3 kB

  • Original 37.5 kB
  • After minification 37.5 kB
  • After compression 32.1 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. Tg.nl needs all CSS files to be minified and compressed as it can save up to 5.3 kB or 14% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (42%)

Requests Now

78

After Optimization

45

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tg. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.twynstragudde.nl

www.twynstragudde.nl

342 ms

jquery-1.11.2.js

jquery-1.11.2.js

83 ms

main.min.css

main.min.css

97 ms

module_121616811349_artikelenbox.min.css

module_121616811349_artikelenbox.min.css

66 ms

module_123738577929_opleidingenbox.min.css

module_123738577929_opleidingenbox.min.css

70 ms

module_119347923484_recentevacatures.min.css

module_119347923484_recentevacatures.min.css

66 ms

module_-2712622_Site_Search_Input.min.css

module_-2712622_Site_Search_Input.min.css

77 ms

module_119195133564_quoteteamlid.min.css

module_119195133564_quoteteamlid.min.css

134 ms

module_120330305842_introbanner.min.css

module_120330305842_introbanner.min.css

136 ms

module_119362007058_inzichtenslider.min.css

module_119362007058_inzichtenslider.min.css

109 ms

module_118496253264_quotexl.min.css

module_118496253264_quotexl.min.css

110 ms

module_119193214029_itemtabs.min.css

module_119193214029_itemtabs.min.css

132 ms

module_119215340967_icoonblok.min.css

module_119215340967_icoonblok.min.css

136 ms

js

js

69 ms

embed.js

embed.js

50 ms

main.min.js

main.min.js

326 ms

project.js

project.js

249 ms

module_121616811349_artikelenbox.min.js

module_121616811349_artikelenbox.min.js

329 ms

module_123738577929_opleidingenbox.min.js

module_123738577929_opleidingenbox.min.js

331 ms

module_-2712622_Site_Search_Input.min.js

module_-2712622_Site_Search_Input.min.js

102 ms

module_119362007058_inzichtenslider.min.js

module_119362007058_inzichtenslider.min.js

324 ms

module_119193214029_itemtabs.min.js

module_119193214029_itemtabs.min.js

329 ms

module_119215340967_icoonblok.min.js

module_119215340967_icoonblok.min.js

328 ms

v2.js

v2.js

372 ms

479693.js

479693.js

409 ms

index.js

index.js

365 ms

Twynstragudde-Feb2015-main.min.js

Twynstragudde-Feb2015-main.min.js

366 ms

insight.min.js

insight.min.js

200 ms

gtm.js

gtm.js

199 ms

w.js

w.js

231 ms

Featured%20samenspel%20waterschapsbestuur.jpg

Featured%20samenspel%20waterschapsbestuur.jpg

345 ms

Featured%20%E2%80%93%20Fountain%20Fuel.jpg

Featured%20%E2%80%93%20Fountain%20Fuel.jpg

164 ms

danhaag8.jpg

danhaag8.jpg

209 ms

Herontwikkeling%20binnenstad%20Terneuzen-Featured.jpg

Herontwikkeling%20binnenstad%20Terneuzen-Featured.jpg

203 ms

TwynstraGudde_60jaar.svg

TwynstraGudde_60jaar.svg

477 ms

TwynstraGudde_60jaa_wit.svg

TwynstraGudde_60jaa_wit.svg

239 ms

icon-tg.svg

icon-tg.svg

243 ms

Blog%205%20succesrandvoorwaarden%20gemeentelijke%20energietransitie.jpg

Blog%205%20succesrandvoorwaarden%20gemeentelijke%20energietransitie.jpg

260 ms

Jasper%20Oudshoorn_avatar.jpg

Jasper%20Oudshoorn_avatar.jpg

259 ms

Regie%20op%20het%20stationskwartier-Featured.jpg

Regie%20op%20het%20stationskwartier-Featured.jpg

339 ms

CleanShot%202024-06-03%20at%2010.49.43@2x-1.png

CleanShot%202024-06-03%20at%2010.49.43@2x-1.png

935 ms

Innovatie%20en%20digitalisering%20in%20de%20zorg_Featured.jpg

Innovatie%20en%20digitalisering%20in%20de%20zorg_Featured.jpg

321 ms

Featured_strategie%20voor%20digitale%20transformatie%20ontwikkelen.jpg

Featured_strategie%20voor%20digitale%20transformatie%20ontwikkelen.jpg

318 ms

Featured%20%E2%80%93%20Publiek-private%20samenwerking%20brengt%20waterstofambities%20H2GO%20dichterbij.jpg

Featured%20%E2%80%93%20Publiek-private%20samenwerking%20brengt%20waterstofambities%20H2GO%20dichterbij.jpg

356 ms

Featured_Meer%20samenhang%20stedelijke%20ontwikkeling%20Alkmaar%20door%20programmatische%20aanpak.jpg

Featured_Meer%20samenhang%20stedelijke%20ontwikkeling%20Alkmaar%20door%20programmatische%20aanpak.jpg

357 ms

Featured_Programmatisch%20werken%20met%20raad%20en%20daad%20ondersteunen.jpg

Featured_Programmatisch%20werken%20met%20raad%20en%20daad%20ondersteunen.jpg

404 ms

Vitaal%20landelijk%20gebied_Featured.jpg

Vitaal%20landelijk%20gebied_Featured.jpg

403 ms

Beoordelingskader%20gebiedsontwikkeling_homepage.jpg

Beoordelingskader%20gebiedsontwikkeling_homepage.jpg

409 ms

Featured_Een%20klimaatneutrale%20mobiliteitssector%20in%202050%20de%20opgave%20in%20beeld.jpg

Featured_Een%20klimaatneutrale%20mobiliteitssector%20in%202050%20de%20opgave%20in%20beeld.jpg

405 ms

Featured_Luchtvaartprogramma%20min%20IenW.jpg

Featured_Luchtvaartprogramma%20min%20IenW.jpg

432 ms

Inrichten%20stichting%20voor%20transitie%20in%20het%20sociaal%20domein_homepage.jpg

Inrichten%20stichting%20voor%20transitie%20in%20het%20sociaal%20domein_homepage.jpg

454 ms

klimaatneutraal.jpg

klimaatneutraal.jpg

470 ms

Featured%20%E2%80%93%20Succesvolle%20ruimtelijke%20herontwikkeling%20en%20samenwerking%20in%20Wilp-Achterhoek.jpg

Featured%20%E2%80%93%20Succesvolle%20ruimtelijke%20herontwikkeling%20en%20samenwerking%20in%20Wilp-Achterhoek.jpg

464 ms

Featured%20%E2%80%93%20Duurzaamheidsprogramma%20monitoren%20geeft%20inzicht%20Alblasserdam.jpg

Featured%20%E2%80%93%20Duurzaamheidsprogramma%20monitoren%20geeft%20inzicht%20Alblasserdam.jpg

480 ms

Organisaties%20weerbaar%20maken%20tegen%20ondermijning_homepage.jpg

Organisaties%20weerbaar%20maken%20tegen%20ondermijning_homepage.jpg

465 ms

Hoe%20een%20gesprek%20leidt%20tot%20betere%20integrale%20samenwerking%20in%20de%20aanpak%20van%20ondermijning_homepage.jpg

Hoe%20een%20gesprek%20leidt%20tot%20betere%20integrale%20samenwerking%20in%20de%20aanpak%20van%20ondermijning_homepage.jpg

481 ms

Agenda%20Stadsontwikkeling%20Rijswijk_homepage.jpg

Agenda%20Stadsontwikkeling%20Rijswijk_homepage.jpg

385 ms

Featured_Fusies%20en%20overnames%20in%20de%20zorg.jpg

Featured_Fusies%20en%20overnames%20in%20de%20zorg.jpg

395 ms

sdg.svg

sdg.svg

409 ms

co2.svg

co2.svg

443 ms

diversiteit.svg

diversiteit.svg

440 ms

waardegedreven.svg

waardegedreven.svg

442 ms

insight_tag_errors.gif

insight_tag_errors.gif

146 ms

probono.svg

probono.svg

400 ms

Frank%20van%20Es.jpg

Frank%20van%20Es.jpg

426 ms

linkedin.svg

linkedin.svg

457 ms

instagram.svg

instagram.svg

410 ms

youtube.svg

youtube.svg

411 ms

fb.js

fb.js

66 ms

479693.js

479693.js

116 ms

leadflows.js

leadflows.js

75 ms

479693.js

479693.js

119 ms

web-interactives-embed.js

web-interactives-embed.js

113 ms

TwynstraGudde_RGB_wit.png

TwynstraGudde_RGB_wit.png

401 ms

settings.luckyorange.net

settings.luckyorange.net

60 ms

clickstream.legacy.js

clickstream.legacy.js

68 ms

blink_green.png

blink_green.png

331 ms

logo-light.png

logo-light.png

8 ms

sound-on-white.png

sound-on-white.png

8 ms

Accessibility Review

tg.nl accessibility score

90

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

tg.nl 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

Page has valid source maps

SEO Factors

tg.nl SEO score

93

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

Image elements do not have [alt] attributes

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

    NL

  • Language Claimed

    NL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tg.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 Tg.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

tg.nl

Open Graph data is detected on the main page of Tg. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: