Report Summary

  • 3

    Performance

    Renders faster than
    20% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

ddscientific.com

DD-SCIENTIFIC QUALITY GAS SENSORS - Home

Page Load Speed

2.2 sec in total

First Response

251 ms

Resources Loaded

1.6 sec

Page Rendered

308 ms

ddscientific.com screenshot

About Website

Welcome to ddscientific.com homepage info - get ready to check DD SCIENTIFIC best content for Estonia right away, or after learning these important things about ddscientific.com

A World leading electrochemical gas sensor manufacturer who values its customers, bringing its clients innovative high performance sensors at competitive prices!

Visit ddscientific.com

Key Findings

We analyzed Ddscientific.com page load time and found that the first response time was 251 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

ddscientific.com performance score

3

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

6/100

10%

LCP (Largest Contentful Paint)

Value14.3 s

0/100

25%

SI (Speed Index)

Value16.6 s

0/100

10%

TBT (Total Blocking Time)

Value2,960 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.655

8/100

15%

TTI (Time to Interactive)

Value81.8 s

0/100

10%

Network Requests Diagram

ddscientific.com

251 ms

www.ddscientific.com

415 ms

sites.css

6 ms

fancybox.css

6 ms

social-icons.css

16 ms

Our browser made a total of 85 requests to load all elements on the main page. We found that 26% of them (22 requests) were addressed to the original Ddscientific.com, 19% (16 requests) were made to Cdn2.editmysite.com and 9% (8 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (739 ms) belongs to the original domain Ddscientific.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 809.9 kB (23%)

Content Size

3.5 MB

After Optimization

2.7 MB

In fact, the total size of Ddscientific.com main page is 3.5 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 76.4 kB

  • Original 93.5 kB
  • After minification 92.0 kB
  • After compression 17.1 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 76.4 kB or 82% of the original size.

Image Optimization

-2%

Potential reduce by 46.2 kB

  • Original 2.3 MB
  • After minification 2.3 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. DD SCIENTIFIC images are well optimized though.

JavaScript Optimization

-53%

Potential reduce by 433.2 kB

  • Original 813.4 kB
  • After minification 767.9 kB
  • After compression 380.2 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 433.2 kB or 53% of the original size.

CSS Optimization

-77%

Potential reduce by 254.2 kB

  • Original 331.5 kB
  • After minification 327.5 kB
  • After compression 77.3 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. Ddscientific.com needs all CSS files to be minified and compressed as it can save up to 254.2 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 43 (66%)

Requests Now

65

After Optimization

22

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DD SCIENTIFIC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

ddscientific.com accessibility score

98

Accessibility Issues

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

ddscientific.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

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

ddscientific.com SEO score

85

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

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ddscientific.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Ddscientific.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

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