1.9 sec in total
351 ms
1.3 sec
203 ms
Click here to check amazing Datasymbol content. Otherwise, check out these important facts you probably never knew about datasymbol.com
Barcode Reader Decoder software
Visit datasymbol.comWe analyzed Datasymbol.com page load time and found that the first response time was 351 ms and then it took 1.6 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.
datasymbol.com performance score
name
value
score
weighting
Value7.5 s
1/100
10%
Value9.5 s
0/100
25%
Value7.5 s
27/100
10%
Value700 ms
42/100
30%
Value0.008
100/100
15%
Value15.4 s
7/100
10%
351 ms
151 ms
433 ms
457 ms
459 ms
Our browser made a total of 38 requests to load all elements on the main page. We found that all of those requests were addressed to Datasymbol.com and no external sources were called. The less responsive or slowest element that took the longest time to load (910 ms) belongs to the original domain Datasymbol.com.
Page size can be reduced by 135.0 kB (44%)
307.0 kB
172.1 kB
In fact, the total size of Datasymbol.com main page is 307.0 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. 15% of websites need less resources to load. Images take 141.0 kB which makes up the majority of the site volume.
Potential reduce by 16.4 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 16.4 kB or 81% of the original size.
Potential reduce by 15.8 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. Obviously, Datasymbol needs image optimization as it can save up to 15.8 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 77.8 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 77.8 kB or 67% of the original size.
Potential reduce by 25.0 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 25.0 kB or 85% of the original size.
Number of requests can be reduced by 16 (43%)
37
21
The browser has sent 37 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 and as a result speed up the page load time.
datasymbol.com
351 ms
template_css.css
151 ms
main_03.gif
433 ms
main_05.gif
457 ms
main_08.gif
459 ms
main_10.gif
456 ms
main_13.gif
455 ms
jquery-1.6.1.min.js
722 ms
jquery.prettyPhoto.js
583 ms
prettyPhoto.css
263 ms
main_15.gif
539 ms
main_18.gif
539 ms
main_20.gif
538 ms
main_22.gif
540 ms
rc1.gif
624 ms
rc2.gif
625 ms
rc3.gif
624 ms
rc4.gif
625 ms
rc5.gif
657 ms
rc6.gif
710 ms
rc7.gif
710 ms
rc8.gif
710 ms
menu_bg.gif
79 ms
main_06.gif
564 ms
main_09.gif
606 ms
twain-logo.png
650 ms
datasymbol_thumb.png
737 ms
decoded-barcode-fax.gif
650 ms
decoded-barcode-colored.gif
737 ms
decoded-barcode-multi.gif
658 ms
decoded-barcode-pdf417.gif
659 ms
barcode-recognition-box1.jpg
822 ms
ar1.gif
736 ms
Barcode-Scanner.png
834 ms
barcode_doc_proc_modes.gif
736 ms
barcode-reader-app.gif
822 ms
Barcode-Scanner-app.png
910 ms
contenthead.png
77 ms
datasymbol.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
Image elements do not have [alt] attributes
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
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
datasymbol.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
datasymbol.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
N/A
ISO-8859-1
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 neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Datasymbol.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
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: