Report Summary

  • 75

    Performance

    Renders faster than
    84% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 87

    SEO

    Google-friendlier than
    65% of websites

c-plusplus.net

Übersicht | C++ Community

Page Load Speed

2.8 sec in total

First Response

316 ms

Resources Loaded

2 sec

Page Rendered

420 ms

c-plusplus.net screenshot

About Website

Welcome to c-plusplus.net homepage info - get ready to check C Plusplus best content for Austria right away, or after learning these important things about c-plusplus.net

Deutsprachige C++ Community - Irgendwer hat immer eine Antwort

Visit c-plusplus.net

Key Findings

We analyzed C-plusplus.net page load time and found that the first response time was 316 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

c-plusplus.net performance score

75

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

53/100

25%

SI (Speed Index)

Value4.8 s

66/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.056

98/100

15%

TTI (Time to Interactive)

Value5.6 s

69/100

10%

Network Requests Diagram

c-plusplus.net

316 ms

c-plusplus.net

408 ms

697 ms

fisubtext.css

94 ms

code.highlighting.css.php

191 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 70% of them (14 requests) were addressed to the original C-plusplus.net, 10% (2 requests) were made to Cdn.mathjax.org and 10% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (697 ms) belongs to the original domain C-plusplus.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 257.1 kB (59%)

Content Size

432.4 kB

After Optimization

175.3 kB

In fact, the total size of C-plusplus.net main page is 432.4 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. Javascripts take 335.0 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 63.4 kB

  • Original 76.5 kB
  • After minification 73.9 kB
  • After compression 13.1 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 63.4 kB or 83% of the original size.

Image Optimization

-3%

Potential reduce by 78 B

  • Original 3.0 kB
  • After minification 2.9 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. C Plusplus images are well optimized though.

JavaScript Optimization

-53%

Potential reduce by 178.1 kB

  • Original 335.0 kB
  • After minification 332.5 kB
  • After compression 156.9 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 178.1 kB or 53% of the original size.

CSS Optimization

-87%

Potential reduce by 15.5 kB

  • Original 17.9 kB
  • After minification 14.3 kB
  • After compression 2.4 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. C-plusplus.net needs all CSS files to be minified and compressed as it can save up to 15.5 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (35%)

Requests Now

17

After Optimization

11

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of C Plusplus. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

c-plusplus.net accessibility score

78

Accessibility Issues

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

Buttons do not have an accessible name

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

c-plusplus.net best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

c-plusplus.net SEO score

87

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise C-plusplus.net can be misinterpreted by Google and other search engines. Our service has detected that German 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 C-plusplus.net main page’s claimed encoding is iso-8859-1. 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 C Plusplus. 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: