Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

valgrind.org

Valgrind Home

Page Load Speed

393 ms in total

First Response

66 ms

Resources Loaded

216 ms

Page Rendered

111 ms

valgrind.org screenshot

About Website

Visit valgrind.org now to see the best up-to-date Valgrind content for United States and also check out these interesting facts you probably never knew about valgrind.org

Official Home Page for valgrind, a suite of tools for debugging and profiling. Automatically detect memory management and threading bugs, and perform detailed profiling. The current stable version is ...

Visit valgrind.org

Key Findings

We analyzed Valgrind.org page load time and found that the first response time was 66 ms and then it took 327 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

valgrind.org performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.2 s

99/100

10%

LCP (Largest Contentful Paint)

Value1.2 s

100/100

25%

SI (Speed Index)

Value1.2 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)

Value1.2 s

100/100

10%

Network Requests Diagram

valgrind.org

66 ms

valgrind.org

54 ms

valgrind.css

11 ms

valgrind-100.png

31 ms

spacer.gif

30 ms

Our browser made a total of 9 requests to load all elements on the main page. We found that all of those requests were addressed to Valgrind.org and no external sources were called. The less responsive or slowest element that took the longest time to load (66 ms) belongs to the original domain Valgrind.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 8.6 kB (3%)

Content Size

246.5 kB

After Optimization

237.9 kB

In fact, the total size of Valgrind.org main page is 246.5 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Images take 237.2 kB which makes up the majority of the site volume.

HTML Optimization

-65%

Potential reduce by 4.8 kB

  • Original 7.4 kB
  • After minification 6.9 kB
  • After compression 2.6 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 4.8 kB or 65% of the original size.

Image Optimization

-1%

Potential reduce by 3.0 kB

  • Original 237.2 kB
  • After minification 234.2 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. Valgrind images are well optimized though.

CSS Optimization

-41%

Potential reduce by 803 B

  • Original 2.0 kB
  • After minification 2.0 kB
  • After compression 1.2 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. Valgrind.org needs all CSS files to be minified and compressed as it can save up to 803 B or 41% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

7

After Optimization

7

The browser has sent 7 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Valgrind. According to our analytics all requests are already optimized.

Accessibility Review

valgrind.org accessibility score

94

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.

Best Practices

valgrind.org best practices score

58

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

General

Impact

Issue

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

valgrind.org SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Valgrind.org 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 Valgrind.org 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.

Social Sharing Optimization

Open Graph description is not detected on the main page of Valgrind. 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: