2 sec in total
359 ms
1.4 sec
215 ms
Visit brennerbooks.com now to see the best up-to-date Brenner Books content and also check out these interesting facts you probably never knew about brennerbooks.com
This is the biography page for Robert C. Brenner. Robert Brenner is an engineer, consultant, college professor, historical genealogist, and professional speaker with extensive experience in research a...
Visit brennerbooks.comWe analyzed Brennerbooks.com page load time and found that the first response time was 359 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
brennerbooks.com performance score
name
value
score
weighting
Value4.7 s
12/100
10%
Value7.5 s
4/100
25%
Value5.8 s
50/100
10%
Value640 ms
46/100
30%
Value0
100/100
15%
Value7.5 s
47/100
10%
359 ms
137 ms
137 ms
137 ms
139 ms
Our browser made a total of 14 requests to load all elements on the main page. We found that all of those requests were addressed to Brennerbooks.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Brennerbooks.com.
Page size can be reduced by 3.5 kB (36%)
9.7 kB
6.3 kB
In fact, the total size of Brennerbooks.com main page is 9.7 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. 15% of websites need less resources to load. HTML takes 4.8 kB which makes up the majority of the site volume.
Potential reduce by 3.3 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 3.3 kB or 69% of the original size.
Potential reduce by 0 B
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. Brenner Books images are well optimized though.
Potential reduce by 174 B
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. Brennerbooks.com needs all CSS files to be minified and compressed as it can save up to 174 B or 42% of the original size.
We found no issues to fix!
13
13
The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Brenner Books. According to our analytics all requests are already optimized.
brennerbooks.com
359 ms
style1.css
137 ms
BB2a.gif
137 ms
BK2a.gif
137 ms
bundlecovers.gif
139 ms
Image%20SBG2Px%20cvr2.jpg
241 ms
2010-study.jpg
205 ms
Batman%20191.jpg
268 ms
GoingSolarCvr.jpg
411 ms
Cover7.4kwCS.jpg
274 ms
cover-ssh.jpg
341 ms
cover%20PowerUp%201-up.jpg
478 ms
coverPO97.jpg
444 ms
COVER%20Emerg%20Lighting96.jpg
1029 ms
brennerbooks.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
Image elements do not have [alt] attributes
Links do not have a discernible 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.
brennerbooks.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
Missing source maps for large first-party JavaScript
brennerbooks.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
N/A
N/A
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Brennerbooks.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Brennerbooks.com main page’s claimed encoding is . 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.
brennerbooks.com
Open Graph description is not detected on the main page of Brenner Books. 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: