Tools & Wizards About Us
byzantinemuseum.gr screenshot

Report Summary

  • 80

    Performance

    Renders faster than
    86% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 50

    SEO

    Google-friendlier than
    18% of websites

byzantinemuseum.gr

Βυζαντινό και Χριστιανικό Μουσείο

Page Load Speed

3.5 sec in total

First Response

515 ms

Resources Loaded

2.6 sec

Page Rendered

400 ms

byzantinemuseum.gr screenshot

About Website

Click here to check amazing Byzantinemuseum content for Greece. Otherwise, check out these important facts you probably never knew about byzantinemuseum.gr

Visit byzantinemuseum.gr

Key Findings

We analyzed Byzantinemuseum.gr page load time and found that the first response time was 515 ms and then it took 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

byzantinemuseum.gr performance score

80

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

50/100

25%

SI (Speed Index)

Value3.5 s

88/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.045

99/100

15%

TTI (Time to Interactive)

Value5.2 s

74/100

10%

Network Requests Diagram

byzantinemuseum.gr

515 ms

style.css

282 ms

jquery.js

448 ms

jquery.mousewheel-3.0.2.pack.js

204 ms

jquery.fancybox-1.3.1.js

277 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 81% of them (51 requests) were addressed to the original Byzantinemuseum.gr, 6% (4 requests) were made to Static.tacdn.com and 5% (3 requests) were made to Tripadvisor.com.gr. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Byzantinemuseum.gr.

Page Optimization Overview & Recommendations

Page size can be reduced by 165.6 kB (24%)

Content Size

699.1 kB

After Optimization

533.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Byzantinemuseum.gr main page is 699.1 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 489.2 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 19.6 kB

  • Original 27.6 kB
  • After minification 26.4 kB
  • After compression 8.0 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 19.6 kB or 71% of the original size.

Image Optimization

-5%

Potential reduce by 23.4 kB

  • Original 489.2 kB
  • After minification 465.9 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. Byzantinemuseum images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 81.0 kB

  • Original 132.1 kB
  • After minification 120.9 kB
  • After compression 51.1 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 81.0 kB or 61% of the original size.

CSS Optimization

-83%

Potential reduce by 41.6 kB

  • Original 50.2 kB
  • After minification 44.7 kB
  • After compression 8.6 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. Byzantinemuseum.gr needs all CSS files to be minified and compressed as it can save up to 41.6 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 39 (65%)

Requests Now

60

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Byzantinemuseum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

byzantinemuseum.gr

byzantinemuseum.gr

515 ms

style.css

style.css

282 ms

jquery.js

jquery.js

448 ms

jquery.mousewheel-3.0.2.pack.js

jquery.mousewheel-3.0.2.pack.js

204 ms

jquery.fancybox-1.3.1.js

jquery.fancybox-1.3.1.js

277 ms

jquery.fancybox-1.3.1.css

jquery.fancybox-1.3.1.css

189 ms

swfobject.js

swfobject.js

294 ms

jquery.truncate-2.3.js

jquery.truncate-2.3.js

373 ms

wejs

wejs

106 ms

back09.jpg

back09.jpg

653 ms

logo_el.jpg

logo_el.jpg

179 ms

top_home.gif

top_home.gif

180 ms

top_sitemap.gif

top_sitemap.gif

193 ms

top_contact.gif

top_contact.gif

189 ms

top_info.gif

top_info.gif

193 ms

appearance_select.gif

appearance_select.gif

358 ms

lang_div.gif

lang_div.gif

364 ms

hor_submenu_back.gif

hor_submenu_back.gif

451 ms

sidemenu.png

sidemenu.png

370 ms

side_back_top.png

side_back_top.png

379 ms

side_back_bottom.png

side_back_bottom.png

524 ms

side_back.png

side_back.png

535 ms

quick_search_input.gif

quick_search_input.gif

539 ms

quick_search_submit.gif

quick_search_submit.gif

545 ms

virtual_museum_logo_el.png

virtual_museum_logo_el.png

732 ms

banner_el_greco_el.png

banner_el_greco_el.png

805 ms

next_month.gif

next_month.gif

705 ms

previous_month.gif

previous_month.gif

712 ms

cal_events.gif

cal_events.gif

717 ms

calendar_label.png

calendar_label.png

836 ms

cal_exhibitions.gif

cal_exhibitions.gif

893 ms

facebook.png

facebook.png

901 ms

youTube.png

youTube.png

906 ms

s_4577_1.jpg

s_4577_1.jpg

1008 ms

s_4595_aaa.jpg

s_4595_aaa.jpg

1061 ms

s_4596_banner_armenia_eisodos_390x100.jpg

s_4596_banner_armenia_eisodos_390x100.jpg

1383 ms

WidgetEmbed-certificateOfExcellence

WidgetEmbed-certificateOfExcellence

141 ms

CoE2014_WidgetAsset-14348-2.png

CoE2014_WidgetAsset-14348-2.png

41 ms

cdswidCOE-v21462574883a.css%20%27%29%3B

cdswidCOE-v21462574883a.css%20%27%29%3B

3 ms

cdswidFRR-v23865805545a.css%20%27%29%3B

cdswidFRR-v23865805545a.css%20%27%29%3B

12 ms

cdswidgets_min-c-v23892882724a.js

cdswidgets_min-c-v23892882724a.js

107 ms

cdswidCOE-v21462574883a.css

cdswidCOE-v21462574883a.css

105 ms

cdswidFRR-v23865805545a.css

cdswidFRR-v23865805545a.css

99 ms

ga.js

ga.js

38 ms

bottom_back.png

bottom_back.png

779 ms

top_back.png

top_back.png

806 ms

middle_back.png

middle_back.png

807 ms

h1_back_top.gif

h1_back_top.gif

898 ms

h1_back_bottom.gif

h1_back_bottom.gif

949 ms

facebook_bottom.jpg

facebook_bottom.jpg

947 ms

youtube_bottom.jpg

youtube_bottom.jpg

986 ms

sponsors_top.png

sponsors_top.png

987 ms

artinfotoday_logo.jpg

artinfotoday_logo.jpg

1065 ms

kathimerini_logo.jpg

kathimerini_logo.jpg

1120 ms

ert_logo.jpg

ert_logo.jpg

1129 ms

arch_logo.jpg

arch_logo.jpg

1158 ms

thetoc_logo.jpg

thetoc_logo.jpg

1160 ms

gravity.gif

gravity.gif

1239 ms

__utm.gif

__utm.gif

31 ms

flags.jpg

flags.jpg

1223 ms

print.css

print.css

97 ms

CoE2014_WidgetAsset-14348-2.png

CoE2014_WidgetAsset-14348-2.png

22 ms

BackgroundRuleBlack.gif

BackgroundRuleBlack.gif

7 ms

Accessibility Review

byzantinemuseum.gr accessibility score

54

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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

byzantinemuseum.gr best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

byzantinemuseum.gr SEO score

50

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    N/A

  • Language Claimed

    EL

  • Encoding

    WINDOWS-1253

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Byzantinemuseum.gr can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Greek. Our system also found out that Byzantinemuseum.gr main page’s claimed encoding is windows-1253. 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

byzantinemuseum.gr

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