Tools & Wizards About Us
datasymbol.com screenshot

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

datasymbol.com

Barcode Reader Software | Main

Page Load Speed

1.6 sec in total

First Response

82 ms

Resources Loaded

1.2 sec

Page Rendered

303 ms

datasymbol.com screenshot

About Website

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

Barcode decoding and scanning Software for Windows, Linux, Android, iOS, macOS, Web, HTML and more.

Visit datasymbol.com

Key Findings

We analyzed Datasymbol.com page load time and found that the first response time was 82 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

datasymbol.com performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value7.0 s

32/100

10%

TBT (Total Blocking Time)

Value1,200 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0.011

100/100

15%

TTI (Time to Interactive)

Value15.5 s

7/100

10%

Network Requests Diagram

datasymbol.com

82 ms

css

25 ms

bootstrap.min.css

40 ms

font-awesome.min.css

53 ms

hover-min.css

46 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 68% of them (41 requests) were addressed to the original Datasymbol.com, 13% (8 requests) were made to Fonts.gstatic.com and 8% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (183 ms) relates to the external source Static.doubleclick.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 149.4 kB (13%)

Content Size

1.2 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Datasymbol.com main page is 1.2 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 618.9 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 24.2 kB

  • Original 30.5 kB
  • After minification 29.9 kB
  • After compression 6.3 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 24.2 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 11.7 kB

  • Original 618.9 kB
  • After minification 607.2 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. Datasymbol images are well optimized though.

JavaScript Optimization

-19%

Potential reduce by 67.1 kB

  • Original 346.6 kB
  • After minification 346.5 kB
  • After compression 279.5 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 67.1 kB or 19% of the original size.

CSS Optimization

-26%

Potential reduce by 46.4 kB

  • Original 177.5 kB
  • After minification 171.8 kB
  • After compression 131.2 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. Datasymbol.com needs all CSS files to be minified and compressed as it can save up to 46.4 kB or 26% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (63%)

Requests Now

49

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Datasymbol. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

datasymbol.com

datasymbol.com

82 ms

css

css

25 ms

bootstrap.min.css

bootstrap.min.css

40 ms

font-awesome.min.css

font-awesome.min.css

53 ms

hover-min.css

hover-min.css

46 ms

animate.css

animate.css

50 ms

uikit.almost-flat.css

uikit.almost-flat.css

62 ms

legacy.css

legacy.css

36 ms

template.css

template.css

57 ms

preset2.css

preset2.css

60 ms

custom.css

custom.css

60 ms

jquery.min.js

jquery.min.js

75 ms

jquery-noconflict.js

jquery-noconflict.js

61 ms

jquery-migrate.min.js

jquery-migrate.min.js

72 ms

caption.js

caption.js

91 ms

mootools-core.js

mootools-core.js

92 ms

core.js

core.js

91 ms

bootstrap.min.js

bootstrap.min.js

91 ms

jquery.sticky.js

jquery.sticky.js

92 ms

main.js

main.js

109 ms

wow.min.js

wow.min.js

110 ms

custom.js

custom.js

111 ms

uikit.min.js

uikit.min.js

111 ms

main.css

main.css

117 ms

vs.css

vs.css

118 ms

highlight.pack.js

highlight.pack.js

118 ms

dsanimation.js

dsanimation.js

124 ms

js

js

58 ms

header.png

header.png

27 ms

logo-main.png

logo-main.png

28 ms

main-barcode-background.jpg

main-barcode-background.jpg

75 ms

barcode_hand1.jpg

barcode_hand1.jpg

34 ms

thumb-barcode-websdk-hq1.jpg

thumb-barcode-websdk-hq1.jpg

27 ms

youtube-black.png

youtube-black.png

26 ms

barcode_plane1.jpg

barcode_plane1.jpg

60 ms

barcodetools-barcode-generate.png

barcodetools-barcode-generate.png

84 ms

bottom.png

bottom.png

48 ms

barcode-demo-app.png

barcode-demo-app.png

48 ms

online-barcode-reader.png

online-barcode-reader.png

59 ms

what-is-new-in-sdk.png

what-is-new-in-sdk.png

60 ms

barcode-scanner-download.png

barcode-scanner-download.png

60 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

11 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

14 ms

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

28 ms

KFOkCnqEu92Fr1MmgVxIIzc.ttf

KFOkCnqEu92Fr1MmgVxIIzc.ttf

27 ms

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

27 ms

KFOlCnqEu92Fr1MmYUtfBBc9.ttf

KFOlCnqEu92Fr1MmYUtfBBc9.ttf

27 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

68 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

72 ms

gMkQgF-mgcI

gMkQgF-mgcI

109 ms

www-player.css

www-player.css

7 ms

www-embed-player.js

www-embed-player.js

35 ms

base.js

base.js

73 ms

ad_status.js

ad_status.js

183 ms

ZaJ5Zq4tt7_ULyGuxTZ9nk1-N-rwPqn235jhFLf1Hr0.js

ZaJ5Zq4tt7_ULyGuxTZ9nk1-N-rwPqn235jhFLf1Hr0.js

107 ms

embed.js

embed.js

33 ms

id

id

22 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

123 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

123 ms

Create

Create

100 ms

Accessibility Review

datasymbol.com accessibility score

73

Accessibility Issues

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

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

datasymbol.com 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

datasymbol.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

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

datasymbol.com

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