Report Summary

  • 94

    Performance

    Renders faster than
    93% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 73% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    47% of websites

  • 77

    SEO

    Google-friendlier than
    45% of websites

bibtex.org

BibTeX

Page Load Speed

1.6 sec in total

First Response

240 ms

Resources Loaded

1.3 sec

Page Rendered

100 ms

bibtex.org screenshot

About Website

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Key Findings

We analyzed Bibtex.org page load time and found that the first response time was 240 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

bibtex.org performance score

94

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

74/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

88/100

25%

SI (Speed Index)

Value2.5 s

98/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.3 s

99/100

10%

Network Requests Diagram

bibtex.org

240 ms

www.bibtex.org

290 ms

style.css

99 ms

prototype.js

484 ms

urchin.js

22 ms

Our browser made a total of 10 requests to load all elements on the main page. We found that 80% of them (8 requests) were addressed to the original Bibtex.org, 20% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (484 ms) belongs to the original domain Bibtex.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 122.5 kB (77%)

Content Size

158.3 kB

After Optimization

35.8 kB

In fact, the total size of Bibtex.org main page is 158.3 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 143.9 kB which makes up the majority of the site volume.

HTML Optimization

-58%

Potential reduce by 1.8 kB

  • Original 3.0 kB
  • After minification 2.9 kB
  • After compression 1.3 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 1.8 kB or 58% of the original size.

Image Optimization

-6%

Potential reduce by 518 B

  • Original 9.2 kB
  • After minification 8.7 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. Bib TeX images are well optimized though.

JavaScript Optimization

-82%

Potential reduce by 118.6 kB

  • Original 143.9 kB
  • After minification 106.9 kB
  • After compression 25.2 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 118.6 kB or 82% of the original size.

CSS Optimization

-71%

Potential reduce by 1.6 kB

  • Original 2.2 kB
  • After minification 1.6 kB
  • After compression 638 B

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. Bibtex.org needs all CSS files to be minified and compressed as it can save up to 1.6 kB or 71% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

8

After Optimization

8

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bib TeX. According to our analytics all requests are already optimized.

Accessibility Review

bibtex.org accessibility score

87

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.

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

Links do not have a discernible name

Best Practices

bibtex.org 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

bibtex.org SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bibtex.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 Bibtex.org 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 Bib TeX. 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: