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Visit heinemann.com now to see the best up-to-date Heinemann content for United States and also check out these interesting facts you probably never knew about heinemann.com
Heinemann is a publisher of professional resources and a provider of educational services for teachers and educators from kindergarten through college.
Visit heinemann.comWe analyzed Heinemann.com page load time and found that the first response time was 50 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
heinemann.com performance score
name
value
score
weighting
Value4.9 s
11/100
10%
Value22.9 s
0/100
25%
Value9.3 s
12/100
10%
Value4,180 ms
1/100
30%
Value0.417
23/100
15%
Value27.2 s
0/100
10%
50 ms
258 ms
133 ms
20 ms
18 ms
Our browser made a total of 101 requests to load all elements on the main page. We found that 71% of them (72 requests) were addressed to the original Heinemann.com, 6% (6 requests) were made to Google.com and 4% (4 requests) were made to Fast.wistia.com. The less responsive or slowest element that took the longest time to load (527 ms) belongs to the original domain Heinemann.com.
Page size can be reduced by 1.2 MB (24%)
5.0 MB
3.8 MB
In fact, the total size of Heinemann.com main page is 5.0 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 3.6 MB which makes up the majority of the site volume.
Potential reduce by 63.7 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. 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 63.7 kB or 81% of the original size.
Potential reduce by 241.3 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. Heinemann images are well optimized though.
Potential reduce by 708.8 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 708.8 kB or 69% of the original size.
Potential reduce by 196.3 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. Heinemann.com needs all CSS files to be minified and compressed as it can save up to 196.3 kB or 83% of the original size.
Number of requests can be reduced by 45 (48%)
94
49
The browser has sent 94 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Heinemann. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
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heinemann.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.
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
Links do not have a discernible name
heinemann.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
heinemann.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
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Heinemann.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 Heinemann.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.
heinemann.com
Open Graph description is not detected on the main page of Heinemann. 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: