6.6 sec in total
625 ms
5.7 sec
266 ms
Click here to check amazing OTexts content for India. Otherwise, check out these important facts you probably never knew about otexts.com
Online and open access textbooks
Visit otexts.comWe analyzed Otexts.com page load time and found that the first response time was 625 ms and then it took 6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
otexts.com performance score
name
value
score
weighting
Value2.7 s
59/100
10%
Value2.8 s
83/100
25%
Value2.7 s
96/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value3.7 s
90/100
10%
625 ms
1355 ms
334 ms
554 ms
360 ms
Our browser made a total of 72 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Otexts.com, 6% (4 requests) were made to Fonts.googleapis.com and 3% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (2.2 sec) relates to the external source Otexts.org.
Page size can be reduced by 158.2 kB (33%)
485.0 kB
326.8 kB
In fact, the total size of Otexts.com main page is 485.0 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. 25% of websites need less resources to load. Images take 269.5 kB which makes up the majority of the site volume.
Potential reduce by 18.3 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 18.3 kB or 74% of the original size.
Potential reduce by 12.5 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. OTexts images are well optimized though.
Potential reduce by 89.5 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 89.5 kB or 64% of the original size.
Potential reduce by 37.9 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. Otexts.com needs all CSS files to be minified and compressed as it can save up to 37.9 kB or 76% of the original size.
Number of requests can be reduced by 48 (69%)
70
22
The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OTexts. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 37 to 1 for CSS and as a result speed up the page load time.
www.otexts.org
625 ms
www.otexts.org
1355 ms
system.base.css
334 ms
system.menus.css
554 ms
system.messages.css
360 ms
system.theme.css
561 ms
footnotes.css
563 ms
book.css
601 ms
comment.css
664 ms
field.css
701 ms
mollom.css
884 ms
node.css
890 ms
search.css
893 ms
user.css
929 ms
video_filter.css
997 ms
forum.css
1030 ms
views.css
1213 ms
caption-filter.css
1221 ms
css
66 ms
css
78 ms
css
91 ms
amazon.css
1220 ms
ctools.css
1258 ms
dhtml_menu.css
1327 ms
geshifilter.css
1356 ms
panels.css
1538 ms
typogrify.css
1301 ms
onecol.css
1560 ms
style.css
1590 ms
colors.css
1631 ms
google_fonts.css
1414 ms
css_injector_2.css
1686 ms
css_injector_3.css
1743 ms
css_injector_4.css
1869 ms
css_injector_5.css
1899 ms
css_injector_6.css
1929 ms
css_injector_7.css
1958 ms
css_injector_8.css
2015 ms
jquery.js
2157 ms
jquery.once.js
1951 ms
drupal.js
2226 ms
admin_devel.js
1694 ms
caption-filter.js
1938 ms
sliding_effect.js
1509 ms
dhtml_menu.js
1797 ms
panels.js
1804 ms
googleanalytics.js
1790 ms
superfish.js
1835 ms
supersubs.js
1871 ms
sfmenu.js
1495 ms
css
25 ms
ga.js
32 ms
__utm.gif
16 ms
btn_donateCC_LG.gif
70 ms
Mainlogo.png
8 ms
slide-image-1.jpg
13 ms
slide-image-2.jpg
9 ms
slide-image-3.jpg
11 ms
30w087b.png
10 ms
slide-shadow.png
9 ms
slide-nav-button.png
10 ms
fpp5.jpg
352 ms
sfml3.jpg
101 ms
elec3.jpg
356 ms
logic3.jpg
358 ms
biometry.jpg
356 ms
ieco.jpg
364 ms
intro-comp-cover.jpg
522 ms
slide-nav-button-hover.png
361 ms
arrows-down.png
358 ms
shadow.png
359 ms
pixel.gif
32 ms
otexts.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
Image elements do not have [alt] attributes
Links do not have a discernible name
otexts.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
otexts.com SEO score
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Otexts.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 Otexts.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.
otexts.com
Open Graph description is not detected on the main page of OTexts. 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: