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Brendan Gregg's Homepage
http://brendangregg.com
Brendan Gregg's homepage: I use this site to share various things, mostly my work with computers, specifically, computer performance analysis and methodology.
http://brendangregg.com
Brendan Gregg's Homepage
Brendan Gregg's homepage: I use this site to share various things, mostly my work with computers, specifically, computer performan...
No 301 redirects are in place to redirect traffic to your preferred domain. Pages that load successfully both with and without www. are treated as duplicate content! Not all versions of your page point to the same URL.
| URL | Resolved URL |
| http://brendangregg.com | http://brendangregg.com/ |
| https://brendangregg.com | HTTP header error |
| http://www.brendangregg.com | http://www.brendangregg.com/ |
| https://www.brendangregg.com | HTTP header error |
| Attribute | Value |
| ⓘ author | Brendan Gregg |
| ⓘ abstract | Brendan Gregg - Homepage |
| ⓘ viewport | This attribute is present but empty. |
ⓘ The owner has associated the following topics to the website.
ⓘ The results of our semantic analysis are shown below using the website's language.
They are the main concepts covered by brendangregg.com.
Each concept has a confidence score. The higher it is, the more important the topic is relative to the page.
| Topics | |
Brendan Gregg Confidence: 77% 
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Computer performance Confidence: 76%
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Profiling (computer programming) Confidence: 70%
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Computer Confidence: 68% 
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Software development process Confidence: 66%
|
ⓘ This website is ranked #313.789 by Alexa.
This rank is traffic based. The lower the rank is, the better the domain is ranked.
| Country | Rank |
 United States of America |
#174.007 |
Mobile Rendering
This website seems to be optimized for Mobile Visitors.
Phone
Tablet
A good text to HTML ratio is anywhere from 25 to 70%.
This percentage refers to the visible text ratio, as opposed to HTML elements, image tags and other non-visible information.
Great, we found headings on this page.
| Top level heading |
| Brendan d. gregg |
| 2nd level heading |
| Documentation |
| Videos |
| Software |
| Misc |
We found 11 images on this website.
11
ALT attributes are missing on your image tags. The issue affects 9 actual different images that could be loaded more than once in your page.
Alternative text allows you to add a description to an image.
Google rely on alternative text attributes to determine relevance to a search query. Alternative text also makes an image more likely to appear in a Google image search.
It looks like you're missing alternative text for 11 images on brendangregg.com. Check your website to make sure it's specified for each image on the page.
For a better readability, only the first 50 internal links are shown below.
| Anchor | Type | URL |
| Start Here | text | /overview.html |
| Homepage | text | /index.html |
| Blog | text | /blog/index.html |
| BPF Perf book | text | /bpf-performance-tools-book.html |
| Sys Perf book | text | /sysperfbook.html |
| Linux Perf | text | /linuxperf.html |
| Perf Methods | text | /methodology.html |
| USE Method | text | /usemethod.html |
| TSA Method | text | /tsamethod.html |
| Off-CPU Analysis | text | /offcpuanalysis.html |
| Active Bench. | text | /activebenchmarking.html |
| WSS Estimation | text | /wss.html |
| Flame Graphs | text | /flamegraphs.html |
| Heat Maps | text | /heatmaps.html |
| Frequency Trails | text | /frequencytrails.html |
| Colony Graphs | text | /colonygraphs.html |
| perf Examples | text | /perf.html |
| eBPF Tools | text | /ebpf.html |
| DTrace Tools | text | /dtrace.html |
| DTraceToolkit | text | /dtracetoolkit.html |
| DtkshDemos | text | /dtkshdemos.html |
| Guessing Game | text | /guessinggame.html |
| Specials | text | /specials.html |
| Books | text | /books.html |
| Other Sites | text | /sites.html |
 |
image | /bpf-performance-tools-book.html |
| BPF Performance Tools book | text | /bpf-performance-tools-book.html |
| Two kernel mysteries and the most technical talk I've ever seen | text | /blog/2019-10-15/kernelrecipes-kernel-ftrace-internals.html |
| BPF Performance Tools: Linux System and Application Observability (book) | text | /blog/2019-07-15/bpf-performance-tools-book.html |
| YOW! 2018 Cloud Performance Root Cause Analysis at Netflix | text | /blog/2019-04-26/yow2018-cloud-performance-netflix.html |
| Learn eBPF Tracing: Tutorial and Examples | text | /blog/2019-01-01/learn-ebpf-tracing.html |
| FlameScope Pattern Recognition | text | /blog/2018-11-08/flamescope-pattern-recognition.html |
| bpftrace (DTrace 2.0) for Linux 2018 | text | /blog/2018-10-08/dtrace-for-linux-2018.html |
| Evaluating the Evaluation: A Benchmarking Checklist | text | /blog/2018-06-30/benchmarking-checklist.html |
| Linux bcc/eBPF tcpdrop | text | /blog/2018-05-31/linux-tcpdrop.html |
| USENIX LISA 2018: CFP Now Open | text | /blog/2018-04-30/usenix-lisa-2018-cfp.html |
| TCP Tracepoints | text | /blog/2018-03-22/tcp-tracepoints.html |
| KPTI/KAISER Meltdown Initial Performance Regressions | text | /blog/2018-02-09/kpti-kaiser-meltdown-performance.html |
| How To Measure the Working Set Size on Linux | text | /blog/2018-01-17/measure-working-set-size.html |
| AWS re:Invent 2017: How Netflix Tunes EC2 | text | /blog/2017-12-31/reinvent-netflix-ec2-tuning.html |
| AWS EC2 Virtualization 2017: Introducing Nitro | text | /blog/2017-11-29/aws-ec2-virtualization-2017.html |
| Brilliant Jerks in Engineering | text | /blog/2017-11-13/brilliant-jerks.html |
| EuroBSDcon: System Performance Analysis Methodologies | text | /blog/2017-10-28/bsd-performance-analysis-methodologies.html |
| Solaris to Linux Migration 2017 | text | /blog/2017-09-05/solaris-to-linux-2017.html |
| Total Solar Eclipse 2017 | text | /blog/2017-08-24/total-solar-eclipse-2017.html |
| Linux Load Averages: Solving the Mystery | text | /blog/2017-08-08/linux-load-averages.html |
| Coloring Flame Graphs: Code Hues | text | /blog/2017-07-30/coloring-flamegraphs-code-type.html |
| Blog index | text | /blog/index.html |
| About | text | /blog/about.html |
| RSS | text | /blog/rss.xml |
For a better readability, only the first 50 external links are shown below.
| ⓘ Domain Registrar | GODADDY.COM, LLC |
| ⓘ Registration Date | 10/08/2003 21 years, 1 month, 13 days ago |
| ⓘ Last Modified | 10/09/2018 6 years, 1 month, 11 days ago |
| ⓘ Expiration Date | 10/08/2021 Expired |
| Host | IP Address | Country |
| ns11.domaincontrol.com | 97.74.105.6 | United States |
| ns12.domaincontrol.com | 173.201.73.6 | United States |
| Domain |
Others (52.9%)
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