1.9 sec in total
367 ms
690 ms
857 ms
Click here to check amazing Developers Tumblr content for United States. Otherwise, check out these important facts you probably never knew about developers.tumblr.com
Visit developers.tumblr.comWe analyzed Developers.tumblr.com page load time and found that the first response time was 367 ms and then it took 1.5 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.
developers.tumblr.com performance score
name
value
score
weighting
Value2.9 s
53/100
10%
Value5.7 s
16/100
25%
Value6.5 s
39/100
10%
Value1,950 ms
8/100
30%
Value0.014
100/100
15%
Value11.2 s
20/100
10%
367 ms
10 ms
20 ms
17 ms
15 ms
Our browser made a total of 42 requests to load all elements on the main page. We found that 7% of them (3 requests) were addressed to the original Developers.tumblr.com, 19% (8 requests) were made to Assets.tumblr.com and 17% (7 requests) were made to Static.tumblr.com. The less responsive or slowest element that took the longest time to load (367 ms) belongs to the original domain Developers.tumblr.com.
Page size can be reduced by 706.1 kB (41%)
1.7 MB
1.0 MB
In fact, the total size of Developers.tumblr.com main page is 1.7 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 65% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.
Potential reduce by 36.1 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 36.1 kB or 75% of the original size.
Potential reduce by 336.6 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, Developers Tumblr needs image optimization as it can save up to 336.6 kB or 29% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 319.1 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 319.1 kB or 65% of the original size.
Potential reduce by 14.2 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. Developers.tumblr.com needs all CSS files to be minified and compressed as it can save up to 14.2 kB or 81% of the original size.
Number of requests can be reduced by 8 (20%)
41
33
The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Developers Tumblr. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.
developers.tumblr.com
367 ms
pre_tumblelog.js
10 ms
styles.css
20 ms
tumblelog_post_message_queue.js
17 ms
stylesheet.css
15 ms
index.js
16 ms
tumblr_n0t0f7xR761qmiqqbo1_r2_1280.png
84 ms
avatar_0a2b3d830439_64.png
91 ms
false
152 ms
false
154 ms
tumblr_mtuq2xEFuf1qajt8ao1_1280.jpg
233 ms
avatar_f5a397b3d7c9_64.png
81 ms
tumblr_mm15c4ZZuT1qmiqqbo1_500.gif
78 ms
tumblr_ml3qoodaVA1qjk2rvo1_1280.gif
213 ms
impixu
148 ms
tumblr_mqioko9gJG1qg0jdoo1_1280.png
76 ms
tumblr_mmus8lhF8u1qmiqqbo1_r2_1280.png
84 ms
avatar_ad874f389b09_64.png
84 ms
avatar_378ef9819c7f_64.png
78 ms
impixu
77 ms
developers.png
78 ms
media_shadow.png
72 ms
badge_rocket.png
83 ms
blockquote.png
72 ms
link_pointer.png
77 ms
older.png
83 ms
analytics.html
85 ms
login_check.html
10 ms
avatar_f032cf3e5b7b_40.png
23 ms
tumblr_mzpy918iru1tq93t3o1_500.jpg
26 ms
tumblr_mzpy918iru1tq93t3o2_250.jpg
90 ms
iframe_logo.png
16 ms
tumblr_mzpy918iru1tq93t3o3_250.jpg
34 ms
tumblr_mw45xa6Fq21qmiqqbo1_r1_500.gif
24 ms
tumblr_mw45xa6Fq21qmiqqbo2_r1_500.png
31 ms
rapid-3.36.js
28 ms
rapidworker-1.2.js
26 ms
ga.js
56 ms
analytics.js
43 ms
cs.js
76 ms
__utm.gif
14 ms
cedexis.radar.js
4 ms
developers.tumblr.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
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
<html> element does not have a [lang] attribute
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
developers.tumblr.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
developers.tumblr.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
N/A
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Developers.tumblr.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Developers.tumblr.com 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.
developers.tumblr.com
Open Graph description is not detected on the main page of Developers Tumblr. 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: