Tools & Wizards About Us
dvbviewer.com screenshot

Report Summary

  • 55

    Performance

    Renders faster than
    72% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

dvbviewer.com

DVB viewer - your software for TV and Radio - Home

Page Load Speed

2.9 sec in total

First Response

178 ms

Resources Loaded

2.5 sec

Page Rendered

172 ms

dvbviewer.com screenshot

About Website

Visit dvbviewer.com now to see the best up-to-date DVB Viewer content for Iran and also check out these interesting facts you probably never knew about dvbviewer.com

DVBViewer is a DVB Software and allows TV and Radio on your PC! It supports DVB-T(2),S(2),C(2), ATSC and IPTV.

Visit dvbviewer.com

Key Findings

We analyzed Dvbviewer.com page load time and found that the first response time was 178 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

dvbviewer.com performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

17/100

25%

SI (Speed Index)

Value4.6 s

71/100

10%

TBT (Total Blocking Time)

Value480 ms

60/100

30%

CLS (Cumulative Layout Shift)

Value0.102

89/100

15%

TTI (Time to Interactive)

Value8.8 s

35/100

10%

Network Requests Diagram

index.php

178 ms

dvb.css

103 ms

common.js

107 ms

win.js

201 ms

overImg.js

207 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 82% of them (64 requests) were addressed to the original Dvbviewer.com, 15% (12 requests) were made to Platform.twitter.com and 3% (2 requests) were made to Syndication.twitter.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Dvbviewer.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 32.0 kB (12%)

Content Size

276.4 kB

After Optimization

244.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dvbviewer.com main page is 276.4 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. 25% of websites need less resources to load. Images take 245.1 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 13.9 kB

  • Original 20.0 kB
  • After minification 18.6 kB
  • After compression 6.1 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 13.9 kB or 70% of the original size.

Image Optimization

-4%

Potential reduce by 9.5 kB

  • Original 245.1 kB
  • After minification 235.6 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. DVB Viewer images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 3.9 kB

  • Original 5.6 kB
  • After minification 4.6 kB
  • After compression 1.7 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 3.9 kB or 69% of the original size.

CSS Optimization

-83%

Potential reduce by 4.8 kB

  • Original 5.7 kB
  • After minification 5.0 kB
  • After compression 949 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. Dvbviewer.com needs all CSS files to be minified and compressed as it can save up to 4.8 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 48 (62%)

Requests Now

77

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DVB Viewer. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

index.php

index.php

178 ms

dvb.css

dvb.css

103 ms

common.js

common.js

107 ms

win.js

win.js

201 ms

overImg.js

overImg.js

207 ms

widgets.js

widgets.js

53 ms

widgets.js

widgets.js

96 ms

sha_c_lt.gif

sha_c_lt.gif

110 ms

sha_top.gif

sha_top.gif

103 ms

sha_left.gif

sha_left.gif

109 ms

logo_01.jpg

logo_01.jpg

104 ms

top_07.gif

top_07.gif

201 ms

top_08.gif

top_08.gif

209 ms

top_09.gif

top_09.gif

206 ms

top_10.gif

top_10.gif

205 ms

top_11.gif

top_11.gif

214 ms

top_12.gif

top_12.gif

228 ms

top_13.gif

top_13.gif

302 ms

logo_02.jpg

logo_02.jpg

306 ms

menu_01.gif

menu_01.gif

313 ms

menu_02.gif

menu_02.gif

314 ms

menu_03.gif

menu_03.gif

317 ms

menu_04.gif

menu_04.gif

334 ms

menu_05.gif

menu_05.gif

404 ms

menu_06.gif

menu_06.gif

406 ms

menu_07.gif

menu_07.gif

415 ms

menu_08.gif

menu_08.gif

418 ms

logo_03.jpg

logo_03.jpg

424 ms

flashtop.jpg

flashtop.jpg

457 ms

header.jpg

header.jpg

677 ms

mainfr_sha.gif

mainfr_sha.gif

512 ms

arr.gif

arr.gif

518 ms

heise.gif

heise.gif

522 ms

chip.gif

chip.gif

527 ms

symcon.gif

symcon.gif

562 ms

jactec.gif

jactec.gif

611 ms

bbti.gif

bbti.gif

619 ms

tbs.png

tbs.png

628 ms

transedit.png

transedit.png

632 ms

prof.gif

prof.gif

669 ms

solveig.gif

solveig.gif

712 ms

dvbsky.gif

dvbsky.gif

719 ms

dvbshopnet.gif

dvbshopnet.gif

733 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

81 ms

ddevices.gif

ddevices.gif

649 ms

TSDoctor.gif

TSDoctor.gif

681 ms

tevii.gif

tevii.gif

675 ms

n_welcome.gif

n_welcome.gif

711 ms

settings

settings

100 ms

demo_available.gif

demo_available.gif

636 ms

dms.png

dms.png

673 ms

dve_banner.png

dve_banner.png

705 ms

promo.jpg

promo.jpg

890 ms

donate.png

donate.png

685 ms

haenlein.gif

haenlein.gif

1355 ms

timeline.e108540dddc96e4b707f5cf259a582d7.js

timeline.e108540dddc96e4b707f5cf259a582d7.js

22 ms

DVBViewer

DVBViewer

64 ms

graycorn.gif

graycorn.gif

721 ms

sah_c_ld.gif

sah_c_ld.gif

678 ms

sah_c_rd.gif

sah_c_rd.gif

694 ms

sha_right.gif

sha_right.gif

706 ms

sha_down.gif

sha_down.gif

772 ms

polyfills-3b821eda8863adcc4a4b.js

polyfills-3b821eda8863adcc4a4b.js

25 ms

runtime-a697c5a1ae32bd7e4d42.js

runtime-a697c5a1ae32bd7e4d42.js

18 ms

modules.20f98d7498a59035a762.js

modules.20f98d7498a59035a762.js

55 ms

main-fd9ef5eb169057cda26d.js

main-fd9ef5eb169057cda26d.js

45 ms

_app-88bf420a57d49e33be53.js

_app-88bf420a57d49e33be53.js

66 ms

%5BscreenName%5D-c33f0b02841cffc3e9b4.js

%5BscreenName%5D-c33f0b02841cffc3e9b4.js

73 ms

_buildManifest.js

_buildManifest.js

73 ms

_ssgManifest.js

_ssgManifest.js

77 ms

menu_b_01.gif

menu_b_01.gif

109 ms

menu_b_02.gif

menu_b_02.gif

103 ms

menu_b_03.gif

menu_b_03.gif

109 ms

menu_b_04.gif

menu_b_04.gif

108 ms

menu_b_05.gif

menu_b_05.gif

105 ms

menu_b_06.gif

menu_b_06.gif

107 ms

menu_b_07.gif

menu_b_07.gif

204 ms

menu_b_08.gif

menu_b_08.gif

207 ms

Accessibility Review

dvbviewer.com accessibility score

65

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Best Practices

dvbviewer.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

SEO Factors

dvbviewer.com SEO score

69

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

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

Social Sharing Optimization

dvbviewer.com

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