3.9 sec in total
307 ms
3.3 sec
390 ms
Welcome to sanderusmaps.com homepage info - get ready to check Sanderus Maps best content for United States right away, or after learning these important things about sanderusmaps.com
We offer thousands of maps from the 15th to the 18th centuries, of all parts of the world. All antique maps and prints are guaranteed authentic, with a certificate. Original antique maps. Rare maps. V...
Visit sanderusmaps.comWe analyzed Sanderusmaps.com page load time and found that the first response time was 307 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
sanderusmaps.com performance score
name
value
score
weighting
Value2.8 s
56/100
10%
Value12.3 s
0/100
25%
Value4.8 s
67/100
10%
Value170 ms
93/100
30%
Value0
100/100
15%
Value5.9 s
65/100
10%
307 ms
664 ms
127 ms
218 ms
271 ms
Our browser made a total of 53 requests to load all elements on the main page. We found that 94% of them (50 requests) were addressed to the original Sanderusmaps.com, 4% (2 requests) were made to Ssl.google-analytics.com and 2% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Sanderusmaps.com.
Page size can be reduced by 195.8 kB (2%)
9.5 MB
9.3 MB
In fact, the total size of Sanderusmaps.com main page is 9.5 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. 50% of websites need less resources to load. Images take 9.2 MB which makes up the majority of the site volume.
Potential reduce by 27.1 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. This page needs HTML code to be minified as it can gain 16.9 kB, which is 56% 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 27.1 kB or 89% of the original size.
Potential reduce by 32.1 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. Sanderus Maps images are well optimized though.
Potential reduce by 95.9 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 95.9 kB or 60% of the original size.
Potential reduce by 40.7 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. Sanderusmaps.com needs all CSS files to be minified and compressed as it can save up to 40.7 kB or 83% of the original size.
Number of requests can be reduced by 7 (14%)
50
43
The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sanderus Maps. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
sanderusmaps.com
307 ms
sanderusmaps.com
664 ms
clear.css
127 ms
prettyPhoto.css
218 ms
jquery.bxslider.css
271 ms
body.css
363 ms
jquery-1.9.1.min.js
569 ms
jquery.prettyPhoto.js
388 ms
jquery.bxslider.min.js
394 ms
body.js
306 ms
ga.js
65 ms
header-bg.gif
104 ms
sprite01.png
188 ms
header-corner-left.jpg
103 ms
header-corner-right.jpg
105 ms
cat-button-ico.png
213 ms
49.jpg
984 ms
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1512 ms
partner-imcos.jpg
1517 ms
partner-belgischeberoepskamer.jpg
1563 ms
partner-internationalleague.jpg
1573 ms
partner-koninklijkekamer.jpg
1568 ms
__utm.gif
14 ms
collect
58 ms
winkelpic1.jpg
1483 ms
winkelpic2.jpg
1512 ms
winkelpic3.jpg
1519 ms
bx_loader.gif
1474 ms
sanderusmaps.com accessibility score
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
Buttons do not have an accessible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
sanderusmaps.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
sanderusmaps.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
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sanderusmaps.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 Sanderusmaps.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.
sanderusmaps.com
Open Graph description is not detected on the main page of Sanderus Maps. 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: