Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 75% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

swmath.org

Software Search - zbMATH Open

Page Load Speed

2 sec in total

First Response

361 ms

Resources Loaded

1.5 sec

Page Rendered

163 ms

swmath.org screenshot

About Website

Click here to check amazing Swmath content for Iran. Otherwise, check out these important facts you probably never knew about swmath.org

swMATH - a new database for references on mathematical software

Visit swmath.org

Key Findings

We analyzed Swmath.org page load time and found that the first response time was 361 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

swmath.org performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value5.7 s

52/100

10%

TBT (Total Blocking Time)

Value170 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0.037

100/100

15%

TTI (Time to Interactive)

Value6.5 s

59/100

10%

Network Requests Diagram

swmath.org

361 ms

style.css

95 ms

bootstrap.min.css

281 ms

jquery-ui.css

11 ms

modernizr-2.5.3.min.js

290 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 91% of them (21 requests) were addressed to the original Swmath.org, 9% (2 requests) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (535 ms) belongs to the original domain Swmath.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 633.3 kB (66%)

Content Size

961.7 kB

After Optimization

328.4 kB

In fact, the total size of Swmath.org main page is 961.7 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. 50% of websites need less resources to load. Javascripts take 662.9 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 16.3 kB

  • Original 20.6 kB
  • After minification 16.4 kB
  • After compression 4.2 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. This page needs HTML code to be minified as it can gain 4.2 kB, which is 20% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 16.3 kB or 79% of the original size.

Image Optimization

-3%

Potential reduce by 4.5 kB

  • Original 141.9 kB
  • After minification 137.4 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. Swmath images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 498.1 kB

  • Original 662.9 kB
  • After minification 579.9 kB
  • After compression 164.8 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 498.1 kB or 75% of the original size.

CSS Optimization

-84%

Potential reduce by 114.3 kB

  • Original 136.3 kB
  • After minification 120.1 kB
  • After compression 22.0 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. Swmath.org needs all CSS files to be minified and compressed as it can save up to 114.3 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (55%)

Requests Now

22

After Optimization

10

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Swmath. 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 as a result speed up the page load time.

Accessibility Review

swmath.org accessibility score

90

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

Form elements do not have associated labels

Best Practices

swmath.org best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

swmath.org SEO score

99

Search Engine Optimization Advices

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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