Tools & Wizards About Us
bvda.com screenshot

Report Summary

  • 78

    Performance

    Renders faster than
    85% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

bvda.com

BVDA - BVDA: Materials and equipment for crime scene officers and forensic laboratories

Page Load Speed

3.9 sec in total

First Response

381 ms

Resources Loaded

3.3 sec

Page Rendered

232 ms

bvda.com screenshot

About Website

Click here to check amazing BVDA content. Otherwise, check out these important facts you probably never knew about bvda.com

BVDA is a manufacturer and distributor of materials and equipment for crime scene officers and forensic laboratories since 1932.

Visit bvda.com

Key Findings

We analyzed Bvda.com page load time and found that the first response time was 381 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

bvda.com performance score

78

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

61/100

25%

SI (Speed Index)

Value5.7 s

50/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.042

99/100

15%

TTI (Time to Interactive)

Value4.7 s

80/100

10%

Network Requests Diagram

bvda.com

381 ms

bvda.com

1770 ms

revisal.css

183 ms

style202302a.css

360 ms

nav3.css

363 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 98% of them (48 requests) were addressed to the original Bvda.com, 2% (1 request) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Bvda.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 262.2 kB (46%)

Content Size

564.7 kB

After Optimization

302.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bvda.com main page is 564.7 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. 35% of websites need less resources to load. Images take 265.4 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 74.6 kB

  • Original 87.6 kB
  • After minification 87.5 kB
  • After compression 13.0 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. 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 74.6 kB or 85% of the original size.

Image Optimization

-10%

Potential reduce by 26.2 kB

  • Original 265.4 kB
  • After minification 239.2 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. BVDA images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 97.0 kB

  • Original 140.9 kB
  • After minification 129.2 kB
  • After compression 43.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 97.0 kB or 69% of the original size.

CSS Optimization

-91%

Potential reduce by 64.4 kB

  • Original 70.8 kB
  • After minification 36.7 kB
  • After compression 6.4 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. Bvda.com needs all CSS files to be minified and compressed as it can save up to 64.4 kB or 91% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (30%)

Requests Now

44

After Optimization

31

  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of BVDA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bvda.com

bvda.com

381 ms

bvda.com

bvda.com

1770 ms

revisal.css

revisal.css

183 ms

style202302a.css

style202302a.css

360 ms

nav3.css

nav3.css

363 ms

jquery-2.1.1.min.js

jquery-2.1.1.min.js

452 ms

jquery-ui.js

jquery-ui.js

20 ms

superfish.js

superfish.js

274 ms

nav3.js

nav3.js

282 ms

search.js

search.js

291 ms

script.js

script.js

373 ms

tabs.css

tabs.css

377 ms

venobox.css

venobox.css

390 ms

jquery.cycle2.min.js

jquery.cycle2.min.js

488 ms

venobox.js

venobox.js

489 ms

venoboxpopup.js

venoboxpopup.js

490 ms

jquery.sliderFlow3.js

jquery.sliderFlow3.js

420 ms

BVDA_web_2023-2.png

BVDA_web_2023-2.png

102 ms

bvda2-NL.png

bvda2-NL.png

105 ms

bvda2-DE.png

bvda2-DE.png

101 ms

bvda2-SE.png

bvda2-SE.png

99 ms

navwijzer110x18-15.png

navwijzer110x18-15.png

101 ms

zoekglas.png

zoekglas.png

101 ms

voorblad-art-1.jpg

voorblad-art-1.jpg

290 ms

Jos.jpg

Jos.jpg

287 ms

spikkel888x1.png

spikkel888x1.png

204 ms

level1-balkje-230x8.png

level1-balkje-230x8.png

202 ms

dfo-small.jpg

dfo-small.jpg

205 ms

b89100_Ardrox_on_plastic_cup_featured.jpg

b89100_Ardrox_on_plastic_cup_featured.jpg

210 ms

b81000_gentian_violet_on_transparent_tape_featured.jpg

b81000_gentian_violet_on_transparent_tape_featured.jpg

303 ms

b89200_PD_on_notepad_paper_featured.jpg

b89200_PD_on_notepad_paper_featured.jpg

303 ms

c2105_silmark_black_with_spreader_featured.jpg

c2105_silmark_black_with_spreader_featured.jpg

305 ms

Silmark_CART_featured.jpg

Silmark_CART_featured.jpg

310 ms

Gls%20klein%202.png

Gls%20klein%202.png

385 ms

b1100_kit_top_featured.jpg

b1100_kit_top_featured.jpg

385 ms

Sole_Print_featured.jpg

Sole_Print_featured.jpg

401 ms

instant%20lifter%20feature.png

instant%20lifter%20feature.png

485 ms

special-powder-featured.jpg

special-powder-featured.jpg

403 ms

Gellifter-feature-5.jpg

Gellifter-feature-5.jpg

411 ms

LCV_featured.jpg

LCV_featured.jpg

482 ms

Peca-featured-2.jpg

Peca-featured-2.jpg

483 ms

b39000_instant_black_Polizei_featured.jpg

b39000_instant_black_Polizei_featured.jpg

498 ms

FP%20feature.png

FP%20feature.png

500 ms

Ardrox%20fles%20.jpg

Ardrox%20fles%20.jpg

513 ms

5mtn_featured.gif

5mtn_featured.gif

583 ms

menu-gradient.png

menu-gradient.png

543 ms

2C49EF_A_0.woff

2C49EF_A_0.woff

549 ms

2C49EF_5_0.woff

2C49EF_5_0.woff

647 ms

2C49EF_3_0.woff

2C49EF_3_0.woff

563 ms

Accessibility Review

bvda.com accessibility score

72

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.

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

bvda.com best practices score

75

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

SEO Factors

bvda.com SEO score

69

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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 Bvda.com 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 Bvda.com 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

bvda.com

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