Tools & Wizards About Us
axolotl.org screenshot

Report Summary

  • 55

    Performance

    Renders faster than
    72% of other websites

  • 56

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

axolotl.org

Axolotls: The Fascinating Mexican Axolotl and the Tiger Salamander

Page Load Speed

864 ms in total

First Response

79 ms

Resources Loaded

462 ms

Page Rendered

323 ms

axolotl.org screenshot

About Website

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

Detailed practical, scientific, and photographic information about the Axolotl (Ambystoma mexicanum), the Mexican Salamander. Also covers Tiger Salamanders.

Visit axolotl.org

Key Findings

We analyzed Axolotl.org page load time and found that the first response time was 79 ms and then it took 785 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

axolotl.org performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

63/100

25%

SI (Speed Index)

Value3.0 s

93/100

10%

TBT (Total Blocking Time)

Value2,030 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.2 s

32/100

10%

Network Requests Diagram

axolotl.org

79 ms

www.axolotl.org

149 ms

axolotl_styles.css

46 ms

arrow.gif

52 ms

new_top_logo.jpg

101 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that all of those requests were addressed to Axolotl.org and no external sources were called. The less responsive or slowest element that took the longest time to load (202 ms) belongs to the original domain Axolotl.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 106.9 kB (25%)

Content Size

421.7 kB

After Optimization

314.8 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Axolotl.org main page is 421.7 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. 20% of websites need less resources to load. Images take 393.2 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 12.9 kB

  • Original 19.2 kB
  • After minification 18.7 kB
  • After compression 6.3 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 12.9 kB or 67% of the original size.

Image Optimization

-22%

Potential reduce by 86.1 kB

  • Original 393.2 kB
  • After minification 307.1 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. Obviously, Axolotl needs image optimization as it can save up to 86.1 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-86%

Potential reduce by 7.9 kB

  • Original 9.3 kB
  • After minification 7.7 kB
  • After compression 1.3 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. Axolotl.org needs all CSS files to be minified and compressed as it can save up to 7.9 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (26%)

Requests Now

23

After Optimization

17

  • Images
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Axolotl. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

axolotl.org

axolotl.org

79 ms

www.axolotl.org

www.axolotl.org

149 ms

axolotl_styles.css

axolotl_styles.css

46 ms

arrow.gif

arrow.gif

52 ms

new_top_logo.jpg

new_top_logo.jpg

101 ms

home_head.jpg

home_head.jpg

72 ms

housing_head.jpg

housing_head.jpg

74 ms

feeding_head.jpg

feeding_head.jpg

76 ms

requirements_head.jpg

requirements_head.jpg

69 ms

breeding_head.jpg

breeding_head.jpg

96 ms

biology_head.jpg

biology_head.jpg

114 ms

links_head.jpg

links_head.jpg

116 ms

small_DdMmaa_61_days_100mm_b.jpg

small_DdMmaa_61_days_100mm_b.jpg

95 ms

assortment_27_may_2000.jpg

assortment_27_may_2000.jpg

120 ms

large_lake.jpg

large_lake.jpg

142 ms

axolotl.jpg

axolotl.jpg

142 ms

metamorphosed_wildtype_axolotl_g_hoar.jpg

metamorphosed_wildtype_axolotl_g_hoar.jpg

187 ms

tiny_silhouette.gif

tiny_silhouette.gif

131 ms

delicious.gif

delicious.gif

133 ms

digg.gif

digg.gif

138 ms

reddit.gif

reddit.gif

155 ms

facebook.gif

facebook.gif

162 ms

stumbleupon.gif

stumbleupon.gif

157 ms

Count.cgi

Count.cgi

202 ms

background.gif

background.gif

159 ms

Accessibility Review

axolotl.org accessibility score

56

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

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

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

axolotl.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

axolotl.org SEO score

58

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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 Axolotl.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 Axolotl.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

axolotl.org

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