Tools & Wizards About Us
swaen.com screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 81

    SEO

    Google-friendlier than
    42% of websites

swaen.com

Paulus Swaen Rare Antique Maps, Old Prints & Posters

Page Load Speed

1.1 sec in total

First Response

195 ms

Resources Loaded

634 ms

Page Rendered

232 ms

swaen.com screenshot

About Website

Welcome to swaen.com homepage info - get ready to check Swaen best content for Russia right away, or after learning these important things about swaen.com

Paulus Swaen is a rare map dealer since 1978, specializing in original maps, atlases, prints, vintage posters, and medieval manuscripts. On-line gallery.

Visit swaen.com

Key Findings

We analyzed Swaen.com page load time and found that the first response time was 195 ms and then it took 866 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

swaen.com performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

7/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

9/100

25%

SI (Speed Index)

Value9.3 s

13/100

10%

TBT (Total Blocking Time)

Value4,770 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.13

81/100

15%

TTI (Time to Interactive)

Value14.6 s

8/100

10%

Network Requests Diagram

www.swaen.com

195 ms

jquery-1.4.2.min.js

106 ms

php.default.min.js

136 ms

style.css

57 ms

style_additional.css

57 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 90% of them (43 requests) were addressed to the original Swaen.com, 4% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Google.com. The less responsive or slowest element that took the longest time to load (195 ms) belongs to the original domain Swaen.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 542.9 kB (66%)

Content Size

821.6 kB

After Optimization

278.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Swaen.com main page is 821.6 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. 40% of websites need less resources to load. Javascripts take 531.3 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 50.6 kB

  • Original 60.2 kB
  • After minification 46.7 kB
  • After compression 9.7 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. This page needs HTML code to be minified as it can gain 13.5 kB, which is 22% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 50.6 kB or 84% of the original size.

Image Optimization

-58%

Potential reduce by 126.0 kB

  • Original 217.9 kB
  • After minification 91.9 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. Obviously, Swaen needs image optimization as it can save up to 126.0 kB or 58% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 356.6 kB

  • Original 531.3 kB
  • After minification 504.2 kB
  • After compression 174.7 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 356.6 kB or 67% of the original size.

CSS Optimization

-80%

Potential reduce by 9.8 kB

  • Original 12.2 kB
  • After minification 9.7 kB
  • After compression 2.4 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. Swaen.com needs all CSS files to be minified and compressed as it can save up to 9.8 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (55%)

Requests Now

47

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Swaen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.swaen.com

www.swaen.com

195 ms

jquery-1.4.2.min.js

jquery-1.4.2.min.js

106 ms

php.default.min.js

php.default.min.js

136 ms

style.css

style.css

57 ms

style_additional.css

style_additional.css

57 ms

dinamic.js

dinamic.js

56 ms

api.js

api.js

43 ms

wz_tooltip.js

wz_tooltip.js

76 ms

milonic_src.js

milonic_src.js

64 ms

mmenudom.js

mmenudom.js

95 ms

menu_data.js

menu_data.js

88 ms

recaptcha__en.js

recaptcha__en.js

182 ms

analytics.js

analytics.js

136 ms

swaen-auction.gif

swaen-auction.gif

105 ms

xpblank.gif

xpblank.gif

105 ms

icon_AUC.gif

icon_AUC.gif

106 ms

arrow.gif

arrow.gif

106 ms

peop.gif

peop.gif

106 ms

mygallery.gif

mygallery.gif

106 ms

backoff2003_web.gif

backoff2003_web.gif

108 ms

tit_l.gif

tit_l.gif

108 ms

transparent.gif

transparent.gif

109 ms

tit_r.gif

tit_r.gif

109 ms

map_highlights.gif

map_highlights.gif

110 ms

pepper.gif

pepper.gif

109 ms

noreserve.gif

noreserve.gif

111 ms

icon_help.gif

icon_help.gif

110 ms

ausruf.gif

ausruf.gif

112 ms

invoice.gif

invoice.gif

111 ms

peop.gif

peop.gif

111 ms

$.gif

$.gif

110 ms

36888.jpg

36888.jpg

114 ms

view.gif

view.gif

112 ms

eyeleft.gif

eyeleft.gif

112 ms

mygallery2.gif

mygallery2.gif

112 ms

Count.cgi

Count.cgi

113 ms

36852.jpg

36852.jpg

114 ms

36731.jpg

36731.jpg

114 ms

36853.jpg

36853.jpg

148 ms

36861.jpg

36861.jpg

114 ms

96032.jpg

96032.jpg

114 ms

95945I.jpg

95945I.jpg

151 ms

36846B.jpg

36846B.jpg

150 ms

36872.jpg

36872.jpg

148 ms

36866.jpg

36866.jpg

148 ms

36865.jpg

36865.jpg

149 ms

widget_v2.132.js

widget_v2.132.js

15 ms

collect

collect

37 ms

Accessibility Review

swaen.com accessibility score

77

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA IDs are not unique

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

swaen.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

swaen.com SEO score

81

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Swaen.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 Swaen.com main page’s claimed encoding is windows-1252. 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

swaen.com

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