56.1 sec in total
139 ms
27.2 sec
28.8 sec
Click here to check amazing Terraserver content for United States. Otherwise, check out these important facts you probably never knew about terraserver.com
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Visit terraserver.comWe analyzed Terraserver.com page load time and found that the first response time was 139 ms and then it took 55.9 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.
terraserver.com performance score
name
value
score
weighting
Value3.2 s
42/100
10%
Value10.7 s
0/100
25%
Value8.1 s
21/100
10%
Value590 ms
50/100
30%
Value0
100/100
15%
Value13.7 s
11/100
10%
139 ms
691 ms
1612 ms
65 ms
6945 ms
Our browser made a total of 96 requests to load all elements on the main page. We found that 64% of them (61 requests) were addressed to the original Terraserver.com, 9% (9 requests) were made to Scontent.cdninstagram.com and 6% (6 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (11.5 sec) relates to the external source Scontent.cdninstagram.com.
Page size can be reduced by 1.7 MB (33%)
5.1 MB
3.4 MB
In fact, the total size of Terraserver.com main page is 5.1 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.7 MB which makes up the majority of the site volume.
Potential reduce by 100.4 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 100.4 kB or 86% of the original size.
Potential reduce by 631.9 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, Terraserver needs image optimization as it can save up to 631.9 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 591.8 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 591.8 kB or 68% of the original size.
Potential reduce by 391.4 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. Terraserver.com needs all CSS files to be minified and compressed as it can save up to 391.4 kB or 83% of the original size.
Number of requests can be reduced by 16 (19%)
86
70
The browser has sent 86 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Terraserver. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and as a result speed up the page load time.
terraserver.com
139 ms
www.terraserver.com
691 ms
gtm.js
1612 ms
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65 ms
lightwidget.js
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home_page-fd1ab274eaf59c4362347302ba72500b04b314040b9a3168f3f12ce62a55de9c.js
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css
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terraserver.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Form elements do not have associated labels
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
terraserver.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
terraserver.com SEO score
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Terraserver.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 Terraserver.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.
terraserver.com
Open Graph description is not detected on the main page of Terraserver. 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: