Report Summary

  • 0

    Performance

  • 33

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

mathspdf.org

MathsPDF

Page Load Speed

7.5 sec in total

First Response

3.6 sec

Resources Loaded

3.8 sec

Page Rendered

92 ms

mathspdf.org screenshot

About Website

Click here to check amazing MathsPDF content. Otherwise, check out these important facts you probably never knew about mathspdf.org

Free GCSE Maths teaching resources

Visit mathspdf.org

Key Findings

We analyzed Mathspdf.org page load time and found that the first response time was 3.6 sec and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

mathspdf.org performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0

0/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value0

0/100

10%

TBT (Total Blocking Time)

Value0

0/100

30%

CLS (Cumulative Layout Shift)

Value0.015

100/100

15%

TTI (Time to Interactive)

Value0

0/100

10%

Network Requests Diagram

mathspdf.org

3641 ms

MathsPDF

23 ms

29 ms

css

25 ms

analytics.js

20 ms

Our browser made a total of 8 requests to load all elements on the main page. We found that 13% of them (1 request) were addressed to the original Mathspdf.org, 38% (3 requests) were made to Gav989.github.io and 25% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.6 sec) belongs to the original domain Mathspdf.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 571 B (3%)

Content Size

22.0 kB

After Optimization

21.5 kB

In fact, the total size of Mathspdf.org main page is 22.0 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. Javascripts take 21.0 kB which makes up the majority of the site volume.

HTML Optimization

-51%

Potential reduce by 521 B

  • Original 1.0 kB
  • After minification 938 B
  • After compression 510 B

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 521 B or 51% of the original size.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 21.0 kB
  • After minification 21.0 kB
  • After compression 20.9 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. This website has mostly compressed JavaScripts.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of MathsPDF. According to our analytics all requests are already optimized.

Accessibility Review

mathspdf.org accessibility score

33

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

<frame> or <iframe> elements do not have a title

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

mathspdf.org best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

mathspdf.org SEO score

67

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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