Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

dpgraph.com

DPGraph: Dynamic Photorealistic 3D Graphing Software for Math and Physics Visualization

Page Load Speed

1.9 sec in total

First Response

301 ms

Resources Loaded

1.4 sec

Page Rendered

192 ms

dpgraph.com screenshot

About Website

Click here to check amazing DPGraph content for United States. Otherwise, check out these important facts you probably never knew about dpgraph.com

DPGraph: Dynamic Photorealistic 3D Graphing Software for Math and Physics Visualization

Visit dpgraph.com

Key Findings

We analyzed Dpgraph.com page load time and found that the first response time was 301 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.

Performance Metrics

dpgraph.com performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.7 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.7 s

100/100

25%

SI (Speed Index)

Value1.1 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.7 s

100/100

10%

Network Requests Diagram

dpgraph.com

301 ms

truncbyh.gif

293 ms

gyroid.jpg

149 ms

tubeknot.jpg

161 ms

sineparm.gif

222 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that all of those requests were addressed to Dpgraph.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Dpgraph.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 10.6 kB (27%)

Content Size

38.7 kB

After Optimization

28.1 kB

In fact, the total size of Dpgraph.com main page is 38.7 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. 20% of websites need less resources to load. Images take 29.8 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 6.0 kB

  • Original 8.9 kB
  • After minification 8.9 kB
  • After compression 2.9 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 6.0 kB or 67% of the original size.

Image Optimization

-15%

Potential reduce by 4.6 kB

  • Original 29.8 kB
  • After minification 25.2 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, DPGraph needs image optimization as it can save up to 4.6 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Breakdown

We found no issues to fix!

Requests Now

33

After Optimization

33

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DPGraph. According to our analytics all requests are already optimized.

Accessibility Review

dpgraph.com accessibility score

85

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.

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

Best Practices

dpgraph.com 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

dpgraph.com SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    US-ASCII

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dpgraph.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 Dpgraph.com main page’s claimed encoding is us-ascii. 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 DPGraph. 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: