Tools & Wizards About Us
tdblabs.se screenshot

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

tdblabs.se

Expert on premium quality dextran derivatives | TdB Labs

Page Load Speed

3.7 sec in total

First Response

383 ms

Resources Loaded

2.5 sec

Page Rendered

779 ms

tdblabs.se screenshot

About Website

Welcome to tdblabs.se homepage info - get ready to check TdB Labs best content right away, or after learning these important things about tdblabs.se

TdB Labs develop, produce and analyze dextran derivatives and other polysaccharides for applications within life science.

Visit tdblabs.se

Key Findings

We analyzed Tdblabs.se page load time and found that the first response time was 383 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

tdblabs.se performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

24/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value1,270 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0.046

99/100

15%

TTI (Time to Interactive)

Value8.6 s

37/100

10%

Network Requests Diagram

tdblabs.se

383 ms

tdblabs.se

638 ms

asi4mbq.css

97 ms

css

31 ms

p.css

32 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 71% of them (20 requests) were addressed to the original Tdblabs.se, 7% (2 requests) were made to Use.typekit.net and 4% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Tdblabs.se.

Page Optimization Overview & Recommendations

Page size can be reduced by 591.0 kB (23%)

Content Size

2.6 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tdblabs.se 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. 50% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 522.7 kB

  • Original 589.5 kB
  • After minification 539.3 kB
  • After compression 66.8 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. 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 522.7 kB or 89% of the original size.

Image Optimization

-4%

Potential reduce by 66.9 kB

  • Original 1.8 MB
  • After minification 1.8 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. TdB Labs images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.4 kB

  • Original 199.8 kB
  • After minification 199.8 kB
  • After compression 198.4 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

-0%

Potential reduce by 0 B

  • Original 5 B

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.

Requests Breakdown

Number of requests can be reduced by 10 (42%)

Requests Now

24

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TdB Labs. 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 from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tdblabs.se

tdblabs.se

383 ms

tdblabs.se

tdblabs.se

638 ms

asi4mbq.css

asi4mbq.css

97 ms

css

css

31 ms

p.css

p.css

32 ms

cookie-law-info-public.css

cookie-law-info-public.css

94 ms

cookie-law-info-gdpr.css

cookie-law-info-gdpr.css

188 ms

jquery.min.js

jquery.min.js

375 ms

jquery-migrate.min.js

jquery-migrate.min.js

280 ms

cookie-law-info-public.js

cookie-law-info-public.js

281 ms

cookie-law-info-table.css

cookie-law-info-table.css

278 ms

main.js

main.js

502 ms

7998989.js

7998989.js

46 ms

api.js

api.js

52 ms

site-logo-dark.svg

site-logo-dark.svg

102 ms

iso9001-copy.png

iso9001-copy.png

277 ms

bona-postulata-2020.png

bona-postulata-2020.png

1092 ms

ecovadis-2021-silver-rating.png

ecovadis-2021-silver-rating.png

561 ms

support-copy.png

support-copy.png

282 ms

sprite.svg

sprite.svg

171 ms

cert-1.jpg

cert-1.jpg

218 ms

logos-pile-1.png

logos-pile-1.png

427 ms

iso9001.png

iso9001.png

283 ms

bonapostualata20-.png

bonapostualata20-.png

370 ms

support.png

support.png

563 ms

d

d

63 ms

font

font

63 ms

recaptcha__en.js

recaptcha__en.js

71 ms

Accessibility Review

tdblabs.se accessibility score

96

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

Links do not have a discernible name

Best Practices

tdblabs.se best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

tdblabs.se SEO score

100

Search Engine Optimization Advices

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

tdblabs.se

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