Report Summary

  • 94

    Performance

    Renders faster than
    93% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

onlinecalc.sdsu.edu

Online hydraulic and hydrologic calculations, online calculations, online computations, San Diego State University, Victor Miguel Ponce

Page Load Speed

3.4 sec in total

First Response

576 ms

Resources Loaded

2 sec

Page Rendered

798 ms

onlinecalc.sdsu.edu screenshot

About Website

Visit onlinecalc.sdsu.edu now to see the best up-to-date Online Calc Sdsu content for United States and also check out these interesting facts you probably never knew about onlinecalc.sdsu.edu

Visit onlinecalc.sdsu.edu

Key Findings

We analyzed Onlinecalc.sdsu.edu page load time and found that the first response time was 576 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

onlinecalc.sdsu.edu performance score

94

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

81/100

10%

LCP (Largest Contentful Paint)

Value2.1 s

96/100

25%

SI (Speed Index)

Value2.5 s

98/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.125

83/100

15%

TTI (Time to Interactive)

Value2.1 s

99/100

10%

Network Requests Diagram

onlinecalc.sdsu.edu

576 ms

vlab_logo-100.gif

155 ms

online_calc_01a.jpg

221 ms

onlinechannel_fig05-300.jpg

154 ms

onlinechannel_fig03.jpg

154 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 96% of them (27 requests) were addressed to the original Onlinecalc.sdsu.edu, 4% (1 request) were made to Ponce.sdsu.edu. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Onlinecalc.sdsu.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 78.7 kB (8%)

Content Size

989.5 kB

After Optimization

910.7 kB

In fact, the total size of Onlinecalc.sdsu.edu main page is 989.5 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. Images take 964.7 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 19.9 kB

  • Original 24.8 kB
  • After minification 24.4 kB
  • After compression 4.9 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 19.9 kB or 80% of the original size.

Image Optimization

-6%

Potential reduce by 58.8 kB

  • Original 964.7 kB
  • After minification 905.9 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. Online Calc Sdsu images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

27

After Optimization

27

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Online Calc Sdsu. According to our analytics all requests are already optimized.

Accessibility Review

onlinecalc.sdsu.edu accessibility score

73

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

High

Links do not have a discernible name

Best Practices

onlinecalc.sdsu.edu best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

onlinecalc.sdsu.edu SEO score

67

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Onlinecalc.sdsu.edu 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 Onlinecalc.sdsu.edu 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.

Social Sharing Optimization

Open Graph description is not detected on the main page of Online Calc Sdsu. 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: